diff --git a/.claude/skills/steam-frame/SKILL.md b/.claude/skills/steam-frame/SKILL.md
index 0437825..48c9f1c 100644
--- a/.claude/skills/steam-frame/SKILL.md
+++ b/.claude/skills/steam-frame/SKILL.md
@@ -48,3 +48,9 @@ running `--help`: `paste-to-frame.sh`, `serve-bootstrap.sh` and
 - `sudo` on the Frame asks for the user's Developer Mode password. Hand those
   steps to the user (open Terminal) and keep automation to non-sudo commands.
 - The Mac uses BSD userland and zsh (no `timeout`, use `head -n`).
+- **First-party first.** For any new capability, investigate the first-party
+  way before anything else: Valve (SteamOS, Steam, Steam Link), Apple (the Mac
+  and iPhone), and KDE (the Frame's desktop is Plasma). It's usually the best
+  answer. If it isn't, write down why not. If it is, find what Frame Control
+  can do to make it easier to set up (install over SSH, pre-seed settings,
+  pair automatically, tell the user the one setting to turn on).
diff --git a/.gitignore b/.gitignore
index 230bfe5..c2019bf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@ apk-catalog/data/index-v2*.json*
 compat-db/.env.lakebed.server
 compat-db/.lakebed/
 tests/smoke/results/
+mac/bin/
diff --git a/README.md b/README.md
index cd87619..a30e430 100644
--- a/README.md
+++ b/README.md
@@ -207,6 +207,7 @@ Frame's software fits together, all checked against a real headset and labelled
 | [Sideloading Linux and Windows games](docs/sideloading.md) | A .zip, folder or .exe as a Steam Devkit Game, runtime detection |
 | [Install links for websites](docs/web-install.md) | `frame-control://install` links and manifests, the rules, a button to paste |
 | [Steam games](docs/steam-games.md) · [VR video](docs/vr-video.md) · [WebXR in Chromium](docs/webxr-chromium.md) | Installing and buying, watching VR180/360, the Chromium build |
+| [Mac in the headset](docs/mac-in-headset.md) | Mac windows and screens as panels in the Frame, with laser and keyboard input |
 | [VR mods and custom songs](docs/mods.md) | Per-game feasibility, real-Frame results and blockers; no installer yet |
 | [SSH](docs/ssh.md) · [Streaming](docs/streaming.md) · [Files](docs/file-transfer.md) · [Panels](docs/panels.md) · [Tailscale](docs/tailscale.md) | Topic notes |
 | [Frame Control for iPhone](docs/iphone.md) | The iPhone and iPad app, how it runs the server on the Frame, pairing |
diff --git a/app/package.json b/app/package.json
index 78f6989..6875a3b 100644
--- a/app/package.json
+++ b/app/package.json
@@ -9,8 +9,8 @@
   "scripts": {
     "start": "env -u ELECTRON_RUN_AS_NODE electron .",
     "icon": "env -u ELECTRON_RUN_AS_NODE electron build/make-icon.js",
-    "dist": "node build/fetch-deps.js mac arm64 && electron-builder --mac --arm64 --publish never",
-    "dist:dir": "node build/fetch-deps.js mac arm64 && electron-builder --mac --arm64 --dir",
+    "dist": "sh ../mac/frame-mac-view/build.sh && node build/fetch-deps.js mac arm64 && electron-builder --mac --arm64 --publish never",
+    "dist:dir": "sh ../mac/frame-mac-view/build.sh && node build/fetch-deps.js mac arm64 && electron-builder --mac --arm64 --dir",
     "dist:linux": "node build/fetch-deps.js linux x64 arm64 && electron-builder --linux --x64 --arm64 --publish never",
     "dist:win": "node build/fetch-deps.js win x64 && electron-builder --win --x64 --publish never"
   },
@@ -66,6 +66,14 @@
           "*.py"
         ]
       },
+      {
+        "from": "../frame/openxr-compat",
+        "to": "frame/openxr-compat",
+        "filter": [
+          "XrApiLayer_FRAME_compat.json",
+          "prebuilt/**/*.so"
+        ]
+      },
       {
         "from": "../frame/devkit-utils",
         "to": "frame/devkit-utils",
@@ -107,9 +115,19 @@
         "dmg",
         "zip"
       ],
+      "extraResources": [
+        {
+          "from": "../mac/bin",
+          "to": "mac/bin",
+          "filter": [
+            "frame-mac-view"
+          ]
+        }
+      ],
       "extendInfo": {
         "NSAppleEventsUsageDescription": "Frame Control opens Terminal for SSH sessions and for power actions that need the Developer Mode password.",
-        "NSLocalNetworkUsageDescription": "Frame Control connects to your Steam Frame over SSH on the local network."
+        "NSLocalNetworkUsageDescription": "Frame Control connects to your Steam Frame over SSH on the local network.",
+        "NSScreenCaptureUsageDescription": "Frame Control shows your Mac's windows and screens inside the Steam Frame when you ask it to."
       },
       "artifactName": "Frame-Control-mac-${arch}.${ext}"
     },
diff --git a/bench/pages/present.html b/bench/pages/present.html
new file mode 100644
index 0000000..2e783fd
--- /dev/null
+++ b/bench/pages/present.html
@@ -0,0 +1,24 @@
+<!doctype html>
+<!-- Control experiment, run on the Frame itself: how often does Chromium on
+     gamescope put a canvas animation on screen, with no network or decoding
+     involved? Draws every animation frame for ?s= seconds and writes the
+     frame-gap histogram per second into the title, where xprop can read it. -->
+<html><head><meta charset="utf-8"><title>fmv-present</title></head>
+<body style="margin:0;background:#000"><canvas id="c" width="1280" height="720" style="width:100%;height:100%"></canvas>
+<script>
+const q = new URLSearchParams(location.search), secs = +q.get("s") || 15, tag = q.get("tag") || "";
+const ctx = document.getElementById("c").getContext("2d", { alpha: false, desynchronized: true });
+const perSec = []; let t0 = 0, last = 0, n = 0, gaps = [];
+function frame(t) {
+  if (!t0) t0 = last = t;
+  ctx.fillStyle = "#123"; ctx.fillRect(0, 0, 1280, 720);
+  ctx.fillStyle = "#fff"; ctx.fillRect((n * 21) % 1280, 0, 20, 720); n++;
+  const s = Math.floor((t - t0) / 1000);
+  (perSec[s] = perSec[s] || []).push(t - last); last = t;
+  if (t - t0 < secs * 1000) return requestAnimationFrame(frame);
+  const out = perSec.map(g => g.length).join(",");
+  document.title = `[${tag}] done fps/s=${out}`;
+}
+document.title = `[${tag}] running`;
+requestAnimationFrame(frame);
+</script></body></html>
diff --git a/bench/pages/scroll.html b/bench/pages/scroll.html
new file mode 100644
index 0000000..602ced9
--- /dev/null
+++ b/bench/pages/scroll.html
@@ -0,0 +1,32 @@
+<!doctype html>
+<!-- Benchmark content: a long page of text that scrolls itself at a steady
+     speed, so every frame changes the way reading a real page does. -->
+<html lang="en"><head><meta charset="utf-8"><title>fmv-bench scroll</title>
+<style>
+  body { font: 17px/1.55 -apple-system, "Helvetica Neue", sans-serif; margin: 0 auto; max-width: 900px; padding: 24px; color: #1d1d1f; background: #fff; }
+  h2 { font-size: 22px; margin: 28px 0 8px; } code { background: #f2f2f5; padding: 1px 4px; border-radius: 3px; }
+</style></head><body><div id="doc"></div>
+<script>
+const words = "latency frame panel stream encoder decoder network display pixel window capture budget quality motion text sharp adaptive controller queue socket clock".split(" ");
+let seed = 7; const rnd = () => (seed = (seed * 16807) % 2147483647) / 2147483647;
+let html = "";
+for (let s = 0; s < 120; s++) {
+  html += `<h2>Section ${s + 1}: ${words[s % words.length]} and ${words[(s * 7) % words.length]}</h2>`;
+  for (let p = 0; p < 4; p++) {
+    let para = [];
+    for (let w = 0; w < 70; w++) para.push(rnd() < 0.05 ? `<code>${words[Math.floor(rnd() * words.length)]}()</code>` : words[Math.floor(rnd() * words.length)]);
+    html += `<p>${para.join(" ")}.</p>`;
+  }
+}
+document.getElementById("doc").innerHTML = html;
+// 240 points a second, whatever the display's refresh rate.
+// The title carries the page's own frame rate, so the source's rate is known.
+let last = performance.now(), frames = 0, since = last;
+function step(now) {
+  const dy = (now - last) * 0.24; last = now;
+  if (++frames && now - since >= 1000) { document.title = `fmv-bench scroll ${frames} fps`; frames = 0; since = now; }
+  if (window.scrollY + innerHeight >= document.body.scrollHeight - 2) window.scrollTo(0, 0); else window.scrollBy(0, dy);
+  requestAnimationFrame(step);
+}
+requestAnimationFrame(step);
+</script></body></html>
diff --git a/bench/pages/type.html b/bench/pages/type.html
new file mode 100644
index 0000000..288904c
--- /dev/null
+++ b/bench/pages/type.html
@@ -0,0 +1,9 @@
+<!doctype html>
+<!-- Benchmark content: a plain text editor, focused, for typing tests. -->
+<html lang="en"><head><meta charset="utf-8"><title>fmv-bench type</title>
+<style>
+  html, body { margin: 0; height: 100%; background: #fff; }
+  textarea { box-sizing: border-box; width: 100%; height: 100%; border: 0; padding: 20px; outline: none; resize: none;
+             font: 20px/1.5 ui-monospace, Menlo, monospace; color: #111; caret-color: transparent; }  /* a blinking caret would pass for a reply to a key */
+</style></head><body><textarea id="t" autofocus spellcheck="false"></textarea>
+<script>document.getElementById("t").focus();</script></body></html>
diff --git a/bench/results/2026-09-28-1d05f57-usb1.json b/bench/results/2026-09-28-1d05f57-usb1.json
new file mode 100644
index 0000000..47c65d3
--- /dev/null
+++ b/bench/results/2026-09-28-1d05f57-usb1.json
@@ -0,0 +1,677 @@
+{
+ "label": "usb1",
+ "date": "2026-09-28T21:16:03",
+ "commit": "1d05f57",
+ "config": {
+  "quality": "balanced",
+  "mode": "separate",
+  "net": "none",
+  "delay_ms": 0,
+  "buffer_ms": 250,
+  "host": "10.86.200.233",
+  "ssh_opts": [],
+  "encoder": "",
+  "duration_s": 15.0,
+  "browser_flags": []
+ },
+ "frame_build": "20260925.6191901",
+ "mac": "26.5.2",
+ "headset": "",
+ "scenarios": [
+  {
+   "scenario": "test",
+   "frames_sent": 911,
+   "frames_drawn": 911,
+   "frames_shown": 610,
+   "duration_s": 15.2,
+   "stages_ms": {
+    "capture": {
+     "p50": 0.0,
+     "p95": 0.0,
+     "p99": 0.0,
+     "n": 911
+    },
+    "queue": {
+     "p50": 0.0,
+     "p95": 0.1,
+     "p99": 0.1,
+     "n": 911
+    },
+    "encode": {
+     "p50": 4.4,
+     "p95": 5.0,
+     "p99": 5.2,
+     "n": 911
+    },
+    "socket": {
+     "p50": 0.1,
+     "p95": 0.2,
+     "p99": 0.2,
+     "n": 911
+    },
+    "network": {
+     "p50": 1.1,
+     "p95": 1.6,
+     "p99": 2.1,
+     "n": 911
+    },
+    "decode": {
+     "p50": 1.2,
+     "p95": 2.6,
+     "p99": 3.9,
+     "n": 911
+    },
+    "draw": {
+     "p50": 0.4,
+     "p95": 0.9,
+     "p99": 1.5,
+     "n": 911
+    },
+    "present": {
+     "p50": 5.8,
+     "p95": 13.6,
+     "p99": 16.7,
+     "n": 610
+    },
+    "content": {
+     "p50": 7.3,
+     "p95": 8.8,
+     "p99": 10.0,
+     "n": 911
+    },
+    "content_shown": {
+     "p50": 13.6,
+     "p95": 20.4,
+     "p99": 24.9,
+     "n": 610
+    }
+   },
+   "fps": 59.9,
+   "fps_shown": 40.1,
+   "late_pct": 0.22,
+   "stall_max": 32.3,
+   "stalls_over_100ms": 0,
+   "mbps": 0.48,
+   "keyframes": 1,
+   "size": "1280x720",
+   "captured": 912,
+   "viewer_never_drawn": 0,
+   "input_ms": {
+    "p50": 16.6,
+    "p95": 24.3,
+    "p99": 24.5,
+    "n": 30
+   },
+   "input_shown_ms": {
+    "p50": 20.8,
+    "p95": 31.8,
+    "p99": 33.8,
+    "n": 22
+   },
+   "input_parts_ms": {
+    "uplink": {
+     "p50": 0.7,
+     "p95": 1.0,
+     "p99": 1.0,
+     "n": 30
+    },
+    "mac": {
+     "p50": 9.1,
+     "p95": 15.0,
+     "p99": 15.2,
+     "n": 30
+    },
+    "back": {
+     "p50": 7.2,
+     "p95": 8.5,
+     "p99": 12.7,
+     "n": 30
+    }
+   },
+   "inputs": {
+    "asked": 30,
+    "sent": 30,
+    "seen": 30
+   },
+   "timeline": [
+    {
+     "t": 0,
+     "fps": 60,
+     "mbps": 0.5,
+     "content_p50": 7.3,
+     "content_p95": 8.6,
+     "bitrate": 5529600,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 1,
+     "fps": 60,
+     "mbps": 0.5,
+     "content_p50": 7.1,
+     "content_p95": 8.9,
+     "bitrate": 5529600,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 2,
+     "fps": 59,
+     "mbps": 0.48,
+     "content_p50": 7.2,
+     "content_p95": 8.6,
+     "bitrate": 5529600,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 3,
+     "fps": 60,
+     "mbps": 0.49,
+     "content_p50": 7.1,
+     "content_p95": 9.0,
+     "bitrate": 5529600,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 4,
+     "fps": 60,
+     "mbps": 0.49,
+     "content_p50": 6.9,
+     "content_p95": 8.2,
+     "bitrate": 5529600,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 5,
+     "fps": 60,
+     "mbps": 0.58,
+     "content_p50": 7.3,
+     "content_p95": 8.1,
+     "bitrate": 5529600,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 6,
+     "fps": 60,
+     "mbps": 0.47,
+     "content_p50": 7.4,
+     "content_p95": 8.6,
+     "bitrate": 5529600,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 7,
+     "fps": 60,
+     "mbps": 0.46,
+     "content_p50": 7.4,
+     "content_p95": 8.8,
+     "bitrate": 5529600,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 8,
+     "fps": 60,
+     "mbps": 0.47,
+     "content_p50": 7.3,
+     "content_p95": 8.9,
+     "bitrate": 5529600,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 9,
+     "fps": 60,
+     "mbps": 0.46,
+     "content_p50": 7.3,
+     "content_p95": 8.8,
+     "bitrate": 5529600,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 10,
+     "fps": 60,
+     "mbps": 0.45,
+     "content_p50": 7.3,
+     "content_p95": 8.7,
+     "bitrate": 5529600,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 11,
+     "fps": 60,
+     "mbps": 0.45,
+     "content_p50": 7.4,
+     "content_p95": 9.2,
+     "bitrate": 5529600,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 12,
+     "fps": 60,
+     "mbps": 0.46,
+     "content_p50": 7.4,
+     "content_p95": 8.4,
+     "bitrate": 5529600,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 13,
+     "fps": 60,
+     "mbps": 0.46,
+     "content_p50": 7.6,
+     "content_p95": 9.7,
+     "bitrate": 5529600,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 14,
+     "fps": 60,
+     "mbps": 0.46,
+     "content_p50": 7.6,
+     "content_p95": 8.5,
+     "bitrate": 5529600,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 15,
+     "fps": 12,
+     "mbps": 0.09,
+     "content_p50": 7.5,
+     "content_p95": 9.6,
+     "bitrate": 5529600,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    }
+   ],
+   "adapt": [],
+   "content_p50": 7.3,
+   "content_p95": 8.8,
+   "input_p50": 16.6,
+   "input_p95": 24.3,
+   "grades": {
+    "input_replies": "local",
+    "content_p50": "local",
+    "content_p95": "local",
+    "input_p50": "local",
+    "input_p95": "local",
+    "fps": "local",
+    "late_pct": "local",
+    "stall_max": "local"
+   },
+   "controller": {
+    "adapt": true,
+    "baseRtt": 0.917,
+    "ceiling": 5529600,
+    "fps": 60,
+    "inFlight": 1,
+    "scale": 1,
+    "slack": 41.666,
+    "target": 5529600,
+    "tier": 0
+   },
+   "events": [],
+   "source_fps": 60.0,
+   "cpu": {
+    "mac_agent_pct": 16.7,
+    "frame_viewer_pct": 48.5,
+    "frame_tailscaled_pct": 0.5,
+    "frame_sshd_pct": 1.1,
+    "frame_gamescope_pct": 12.0,
+    "frame_total_pct": 39.3
+   },
+   "viewer": "h264 software; ANGLE (Mesa, zink Vulkan 1.4(Turnip Adreno (TM) 750 (MESA_TURNIP)), OpenGL 4.6); raf 137 Hz",
+   "show_s": 1.15,
+   "panel": "valve.steam.desktopgame.2001639889",
+   "src": "test"
+  },
+  {
+   "scenario": "scroll",
+   "frames_sent": 848,
+   "frames_drawn": 848,
+   "frames_shown": 617,
+   "duration_s": 15.1,
+   "stages_ms": {
+    "capture": {
+     "p50": -3.9,
+     "p95": 4.2,
+     "p99": 7.3,
+     "n": 848
+    },
+    "queue": {
+     "p50": 0.0,
+     "p95": 0.1,
+     "p99": 0.1,
+     "n": 848
+    },
+    "encode": {
+     "p50": 6.7,
+     "p95": 9.7,
+     "p99": 17.7,
+     "n": 848
+    },
+    "socket": {
+     "p50": 0.1,
+     "p95": 0.2,
+     "p99": 0.4,
+     "n": 848
+    },
+    "network": {
+     "p50": 1.7,
+     "p95": 2.7,
+     "p99": 5.7,
+     "n": 848
+    },
+    "decode": {
+     "p50": 5.9,
+     "p95": 10.3,
+     "p99": 13.1,
+     "n": 848
+    },
+    "draw": {
+     "p50": 0.7,
+     "p95": 1.6,
+     "p99": 2.2,
+     "n": 848
+    },
+    "present": {
+     "p50": 4.4,
+     "p95": 15.8,
+     "p99": 20.6,
+     "n": 617
+    },
+    "content": {
+     "p50": 15.7,
+     "p95": 23.0,
+     "p99": 39.3,
+     "n": 848
+    },
+    "content_shown": {
+     "p50": 21.3,
+     "p95": 34.1,
+     "p99": 45.6,
+     "n": 617
+    }
+   },
+   "fps": 56.1,
+   "fps_shown": 40.7,
+   "late_pct": 3.3,
+   "stall_max": 238.5,
+   "stalls_over_100ms": 1,
+   "mbps": 9.01,
+   "keyframes": 1,
+   "size": "1920x1290",
+   "captured": 857,
+   "viewer_never_drawn": 0,
+   "input_ms": {
+    "n": 0
+   },
+   "input_shown_ms": {
+    "n": 0
+   },
+   "input_parts_ms": {
+    "uplink": {
+     "n": 0
+    },
+    "mac": {
+     "n": 0
+    },
+    "back": {
+     "n": 0
+    }
+   },
+   "inputs": {
+    "asked": 0,
+    "sent": 0,
+    "seen": 0
+   },
+   "timeline": [
+    {
+     "t": 0,
+     "fps": 44,
+     "mbps": 8.13,
+     "content_p50": 15.7,
+     "content_p95": 35.7,
+     "bitrate": 14860800,
+     "tier": 0,
+     "w": 1920,
+     "net": null
+    },
+    {
+     "t": 1,
+     "fps": 56,
+     "mbps": 7.04,
+     "content_p50": 16.3,
+     "content_p95": 47.3,
+     "bitrate": 7430400,
+     "tier": 0,
+     "w": 1920,
+     "net": null
+    },
+    {
+     "t": 2,
+     "fps": 57,
+     "mbps": 8.58,
+     "content_p50": 16.0,
+     "content_p95": 22.6,
+     "bitrate": 10055362,
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+    },
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+     "w": 1920,
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+    },
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+     "w": 1920,
+     "net": null
+    },
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+     "tier": 0,
+     "w": 1920,
+     "net": null
+    },
+    {
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+     "bitrate": 14860800,
+     "tier": 0,
+     "w": 1920,
+     "net": null
+    },
+    {
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+     "bitrate": 14860800,
+     "tier": 0,
+     "w": 1920,
+     "net": null
+    }
+   ],
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+   "input_p95": null,
+   "grades": {
+    "content_p50": "local",
+    "content_p95": "local",
+    "fps": "acceptable",
+    "late_pct": "acceptable",
+    "stall_max": "acceptable"
+   },
+   "controller": {
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+    "ceiling": 14860800,
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+    "inFlight": 0,
+    "scale": 1,
+    "slack": 41.666,
+    "target": 14860800,
+    "tier": 0
+   },
+   "events": [
+    {
+     "t": 1.06,
+     "e": "down to 7430 kbit/s: queue 35 ms, held 4, oldest 32 ms, base 1 ms, sent 6282 got 4914 wants 11892"
+    }
+   ],
+   "source_fps": 56.8,
+   "cpu": {
+    "mac_agent_pct": 8.8,
+    "frame_viewer_pct": 74.8,
+    "frame_tailscaled_pct": 0.3,
+    "frame_sshd_pct": 1.2,
+    "frame_gamescope_pct": 10.5,
+    "frame_total_pct": 39.0
+   },
+   "viewer": "h264 software; ANGLE (Mesa, zink Vulkan 1.4(Turnip Adreno (TM) 750 (MESA_TURNIP)), OpenGL 4.6); raf 137 Hz",
+   "show_s": 1.16,
+   "panel": "valve.steam.desktopgame.2001968301",
+   "src": "separate:7914"
+  }
+ ]
+}
\ No newline at end of file
diff --git a/bench/results/2026-09-28-1d05f57-usb2.json b/bench/results/2026-09-28-1d05f57-usb2.json
new file mode 100644
index 0000000..88464f7
--- /dev/null
+++ b/bench/results/2026-09-28-1d05f57-usb2.json
@@ -0,0 +1,690 @@
+{
+ "label": "usb2",
+ "date": "2026-09-28T21:17:48",
+ "commit": "1d05f57",
+ "config": {
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+  "mode": "separate",
+  "net": "none",
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+  "buffer_ms": 250,
+  "host": "10.86.200.233",
+  "ssh_opts": [],
+  "encoder": "",
+  "duration_s": 15.0,
+  "browser_flags": []
+ },
+ "frame_build": "20260925.6191901",
+ "mac": "26.5.2",
+ "headset": "",
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+    },
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+    },
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+    }
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+    },
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+    },
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+    },
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+    }
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+   "grades": {
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+    "content_p95": "local",
+    "input_p50": "local",
+    "input_p95": "local",
+    "fps": "local",
+    "late_pct": "local",
+    "stall_max": "local"
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+   },
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+   "show_s": 1.15,
+   "panel": "valve.steam.desktopgame.2001639889",
+   "src": "test"
+  },
+  {
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+   "frames_shown": 868,
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+   },
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+    },
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+    },
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+    }
+   },
+   "inputs": {
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+    "seen": 6
+   },
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+    },
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+    },
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+    },
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+     "w": 1920,
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+    },
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+     "w": 1920,
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+    },
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+    },
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+    },
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+    },
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+    },
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+    },
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+    },
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+     "mbps": 9.17,
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+     "bitrate": 14860800,
+     "tier": 0,
+     "w": 1920,
+     "net": null
+    },
+    {
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+     "mbps": 8.77,
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+     "content_p95": 18.6,
+     "bitrate": 14860800,
+     "tier": 0,
+     "w": 1920,
+     "net": null
+    },
+    {
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+     "content_p95": 19.8,
+     "bitrate": 14860800,
+     "tier": 0,
+     "w": 1920,
+     "net": null
+    },
+    {
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+     "w": 1920,
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+    }
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+   "grades": {
+    "input_replies": "local",
+    "content_p50": "local",
+    "content_p95": "local",
+    "input_p50": "local",
+    "input_p95": "local",
+    "fps": "acceptable",
+    "late_pct": "acceptable",
+    "stall_max": "acceptable"
+   },
+   "controller": {
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+    "ceiling": 14860800,
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+    "inFlight": 1,
+    "scale": 1,
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+    "target": 14860800,
+    "tier": 0
+   },
+   "events": [],
+   "source_fps": 57.2,
+   "cpu": {
+    "mac_agent_pct": 11.4,
+    "frame_viewer_pct": 83.5,
+    "frame_tailscaled_pct": 0.3,
+    "frame_sshd_pct": 1.5,
+    "frame_gamescope_pct": 9.7,
+    "frame_total_pct": 32.5
+   },
+   "viewer": "h264 software; ANGLE (Mesa, zink Vulkan 1.4(Turnip Adreno (TM) 750 (MESA_TURNIP)), OpenGL 4.6); raf 139 Hz",
+   "show_s": 1.15,
+   "panel": "valve.steam.desktopgame.2001786096",
+   "src": "separate:8187"
+  }
+ ]
+}
\ No newline at end of file
diff --git a/bench/results/2026-09-28-1d05f57-wifi1.json b/bench/results/2026-09-28-1d05f57-wifi1.json
new file mode 100644
index 0000000..ba818b0
--- /dev/null
+++ b/bench/results/2026-09-28-1d05f57-wifi1.json
@@ -0,0 +1,682 @@
+{
+ "label": "wifi1",
+ "date": "2026-09-28T21:16:56",
+ "commit": "1d05f57",
+ "config": {
+  "quality": "balanced",
+  "mode": "separate",
+  "net": "none",
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+  "buffer_ms": 250,
+  "host": "frame",
+  "ssh_opts": [],
+  "encoder": "",
+  "duration_s": 15.0,
+  "browser_flags": []
+ },
+ "frame_build": "20260925.6191901",
+ "mac": "26.5.2",
+ "headset": "",
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+   "src": "test"
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+    },
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+    },
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+    },
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+     "net": null
+    },
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+    },
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+    },
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+    },
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+     "tier": 0,
+     "w": 1920,
+     "net": null
+    },
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+     "tier": 0,
+     "w": 1920,
+     "net": null
+    },
+    {
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+     "tier": 0,
+     "w": 1920,
+     "net": null
+    }
+   ],
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+   "input_p95": null,
+   "grades": {
+    "content_p50": "local",
+    "content_p95": "local",
+    "fps": "acceptable",
+    "late_pct": "acceptable",
+    "stall_max": "bad"
+   },
+   "controller": {
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+    "scale": 1,
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+    "tier": 0
+   },
+   "events": [
+    {
+     "t": 1.09,
+     "e": "down to 7430 kbit/s: queue 131 ms, held 3, oldest 231 ms, base 6 ms, sent 4272 got 3724 wants 9321"
+    }
+   ],
+   "source_fps": 57.0,
+   "cpu": {
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+    "frame_tailscaled_pct": 8.4,
+    "frame_sshd_pct": 0.9,
+    "frame_gamescope_pct": 8.4,
+    "frame_total_pct": 30.1
+   },
+   "viewer": "h264 software; ANGLE (Mesa, zink Vulkan 1.4(Turnip Adreno (TM) 750 (MESA_TURNIP)), OpenGL 4.6); raf 139 Hz",
+   "show_s": 1.25,
+   "panel": "valve.steam.desktopgame.2001195625",
+   "src": "separate:8050"
+  }
+ ]
+}
\ No newline at end of file
diff --git a/bench/results/2026-09-28-1d05f57-wifi2.json b/bench/results/2026-09-28-1d05f57-wifi2.json
new file mode 100644
index 0000000..00f9504
--- /dev/null
+++ b/bench/results/2026-09-28-1d05f57-wifi2.json
@@ -0,0 +1,682 @@
+{
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+ "date": "2026-09-28T21:18:40",
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+    },
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+   "input_p95": null,
+   "grades": {
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+    "content_p95": "local",
+    "fps": "acceptable",
+    "late_pct": "bad",
+    "stall_max": "acceptable"
+   },
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+    "tier": 0
+   },
+   "events": [
+    {
+     "t": 1.22,
+     "e": "down to 7430 kbit/s: queue 74 ms, held 7, oldest 235 ms, base 6 ms, sent 5436 got 4487 wants 11082"
+    }
+   ],
+   "source_fps": 56.4,
+   "cpu": {
+    "mac_agent_pct": 8.8,
+    "frame_viewer_pct": 69.5,
+    "frame_tailscaled_pct": 9.5,
+    "frame_sshd_pct": 0.8,
+    "frame_gamescope_pct": 8.4,
+    "frame_total_pct": 31.8
+   },
+   "viewer": "h264 software; ANGLE (Mesa, zink Vulkan 1.4(Turnip Adreno (TM) 750 (MESA_TURNIP)), OpenGL 4.6); raf 139 Hz",
+   "show_s": 1.25,
+   "panel": "valve.steam.desktopgame.2001116820",
+   "src": "separate:8327"
+  }
+ ]
+}
\ No newline at end of file
diff --git a/bench/results/2026-09-28-39afb23-worn.json b/bench/results/2026-09-28-39afb23-worn.json
new file mode 100644
index 0000000..ee0abec
--- /dev/null
+++ b/bench/results/2026-09-28-39afb23-worn.json
@@ -0,0 +1,1180 @@
+{
+ "label": "worn",
+ "date": "2026-09-28T22:01:33",
+ "commit": "39afb23",
+ "config": {
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+  "mode": "separate",
+  "net": "none",
+  "delay_ms": 0,
+  "buffer_ms": 250,
+  "host": "frame",
+  "usb": false,
+  "ssh_opts": [],
+  "encoder": "",
+  "duration_s": 20.0,
+  "browser_flags": []
+ },
+ "frame_build": "20260925.6191901",
+ "mac": "26.5.2",
+ "headset": "",
+ "scenarios": [
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+   "frames_drawn": 1177,
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+    },
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+    },
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+    },
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+    },
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+    },
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+    },
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+   "panel": "valve.steam.desktopgame.2001614738",
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+   "panel": "valve.steam.desktopgame.2001525486",
+   "src": "separate:8785",
+   "route": "network"
+  }
+ ]
+}
\ No newline at end of file
diff --git a/bench/results/2026-09-28-9e4dcdd-final.json b/bench/results/2026-09-28-9e4dcdd-final.json
new file mode 100644
index 0000000..f0f657f
--- /dev/null
+++ b/bench/results/2026-09-28-9e4dcdd-final.json
@@ -0,0 +1,1173 @@
+{
+ "label": "final",
+ "date": "2026-09-28T21:02:06",
+ "commit": "9e4dcdd",
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+   "panel": "valve.steam.desktopgame.2001175832",
+   "src": "separate:7747"
+  }
+ ]
+}
\ No newline at end of file
diff --git a/bench/results/2026-09-28-a3c6e5c-dirty-ab-adapt-clean.json b/bench/results/2026-09-28-a3c6e5c-dirty-ab-adapt-clean.json
new file mode 100644
index 0000000..0b1f835
--- /dev/null
+++ b/bench/results/2026-09-28-a3c6e5c-dirty-ab-adapt-clean.json
@@ -0,0 +1,4211 @@
+{
+ "label": "ab-adapt-clean",
+ "date": "2026-09-28T17:50:22",
+ "commit": "a3c6e5c+dirty",
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+  "encoder": "",
+  "duration_s": 15.0,
+  "browser_flags": []
+ },
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+     "panel": "valve.steam.desktopgame.2001527998",
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+      "network": {
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+      "decode": {
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+      "content": {
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+     "input_shown_ms": {
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+      "mac": {
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+      },
+      "back": {
+       "p50": 10.7,
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+       "p99": 14.9,
+       "n": 30
+      }
+     },
+     "inputs": {
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+     "timeline": [
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+      {
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+      {
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+       "tier": 0,
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+      },
+      {
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+       "w": 1280,
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+      },
+      {
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+      },
+      {
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+      },
+      {
+       "t": 6,
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+       "w": 1280,
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+      },
+      {
+       "t": 7,
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+       "content_p95": 12.4,
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+       "tier": 0,
+       "w": 1280,
+       "net": null
+      },
+      {
+       "t": 8,
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+       "w": 1280,
+       "net": null
+      },
+      {
+       "t": 9,
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+       "content_p95": 12.4,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
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+      },
+      {
+       "t": 10,
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+       "w": 1280,
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+      },
+      {
+       "t": 11,
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+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
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+      },
+      {
+       "t": 12,
+       "fps": 61,
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+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": null
+      },
+      {
+       "t": 13,
+       "fps": 60,
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+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": null
+      },
+      {
+       "t": 14,
+       "fps": 60,
+       "mbps": 0.45,
+       "content_p50": 13.8,
+       "content_p95": 15.5,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": null
+      },
+      {
+       "t": 15,
+       "fps": 42,
+       "mbps": 0.32,
+       "content_p50": 13.8,
+       "content_p95": 18.9,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": null
+      }
+     ],
+     "adapt": [],
+     "content_p50": 10.5,
+     "content_p95": 15.4,
+     "input_p50": 24.6,
+     "input_p95": 39.8,
+     "grades": {
+      "content_p50": "local",
+      "content_p95": "local",
+      "input_p50": "local",
+      "input_p95": "local",
+      "fps": "local",
+      "late_pct": "local",
+      "stall_max": "acceptable"
+     },
+     "controller": {
+      "adapt": true,
+      "baseRtt": 5.459,
+      "ceiling": 5529600,
+      "fps": 60,
+      "inFlight": 2,
+      "scale": 1,
+      "target": 5529600,
+      "tier": 0
+     },
+     "events": [],
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+     "cpu": {
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+      "frame_viewer_pct": 66.0,
+      "frame_tailscaled_pct": 5.4,
+      "frame_sshd_pct": 0.8,
+      "frame_gamescope_pct": 28.8,
+      "frame_total_pct": 32.1
+     },
+     "viewer": "h264 software; ANGLE (Mesa, zink Vulkan 1.4(Turnip Adreno (TM) 750 (MESA_TURNIP)), OpenGL 4.6); raf 141 Hz",
+     "show_s": 1.49,
+     "panel": "valve.steam.desktopgame.2001639889",
+     "src": "test"
+    },
+    {
+     "scenario": "scroll",
+     "frames_sent": 604,
+     "frames_drawn": 604,
+     "frames_shown": 496,
+     "duration_s": 15.8,
+     "stages_ms": {
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+       "p50": -3.6,
+       "p95": 11.2,
+       "p99": 19.8,
+       "n": 604
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+      "queue": {
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+       "p95": 15.4,
+       "p99": 23.5,
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+      },
+      "encode": {
+       "p50": 6.8,
+       "p95": 9.3,
+       "p99": 19.2,
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+      },
+      "socket": {
+       "p50": 0.1,
+       "p95": 0.2,
+       "p99": 0.7,
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+      },
+      "network": {
+       "p50": 7.9,
+       "p95": 76.6,
+       "p99": 94.2,
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+      },
+      "decode": {
+       "p50": 6.3,
+       "p95": 19.1,
+       "p99": 25.5,
+       "n": 604
+      },
+      "draw": {
+       "p50": 0.6,
+       "p95": 1.0,
+       "p99": 1.6,
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+      },
+      "present": {
+       "p50": 0.9,
+       "p95": 19.0,
+       "p99": 22.0,
+       "n": 496
+      },
+      "content": {
+       "p50": 23.4,
+       "p95": 100.3,
+       "p99": 145.3,
+       "n": 604
+      },
+      "content_shown": {
+       "p50": 28.9,
+       "p95": 104.7,
+       "p99": 158.2,
+       "n": 496
+      }
+     },
+     "fps": 38.2,
+     "fps_shown": 31.3,
+     "late_pct": 25.87,
+     "stall_max": 180.7,
+     "stalls_over_100ms": 22,
+     "mbps": 6.88,
+     "keyframes": 1,
+     "size": "1920x1290",
+     "captured": 843,
+     "viewer_never_drawn": 0,
+     "input_ms": {
+      "n": 0
+     },
+     "input_shown_ms": {
+      "n": 0
+     },
+     "input_parts_ms": {
+      "uplink": {
+       "n": 0
+      },
+      "mac": {
+       "n": 0
+      },
+      "back": {
+       "n": 0
+      }
+     },
+     "inputs": {
+      "sent": 0,
+      "seen": 0
+     },
+     "timeline": [
+      {
+       "t": 0,
+       "fps": 28,
+       "mbps": 6.12,
+       "content_p50": 30.5,
+       "content_p95": 161.7,
+       "bitrate": 7430400,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 1,
+       "fps": 24,
+       "mbps": 4.2,
+       "content_p50": 36.9,
+       "content_p95": 120.7,
+       "bitrate": 8223440,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 2,
+       "fps": 41,
+       "mbps": 8.28,
+       "content_p50": 20.3,
+       "content_p95": 62.3,
+       "bitrate": 11110898,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 3,
+       "fps": 42,
+       "mbps": 9.01,
+       "content_p50": 22.2,
+       "content_p95": 91.7,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 4,
+       "fps": 47,
+       "mbps": 8.61,
+       "content_p50": 15.8,
+       "content_p95": 81.3,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 5,
+       "fps": 43,
+       "mbps": 8.02,
+       "content_p50": 17.4,
+       "content_p95": 56.5,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 6,
+       "fps": 40,
+       "mbps": 7.97,
+       "content_p50": 29.0,
+       "content_p95": 82.4,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 7,
+       "fps": 36,
+       "mbps": 7.83,
+       "content_p50": 33.3,
+       "content_p95": 100.5,
+       "bitrate": 6992996,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 8,
+       "fps": 40,
+       "mbps": 5.6,
+       "content_p50": 21.7,
+       "content_p95": 97.9,
+       "bitrate": 7742295,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 9,
+       "fps": 43,
+       "mbps": 7.07,
+       "content_p50": 19.5,
+       "content_p95": 90.7,
+       "bitrate": 10470493,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 10,
+       "fps": 44,
+       "mbps": 7.09,
+       "content_p50": 19.9,
+       "content_p95": 97.5,
+       "bitrate": 7246454,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 11,
+       "fps": 35,
+       "mbps": 5.19,
+       "content_p50": 22.4,
+       "content_p95": 166.6,
+       "bitrate": 5307220,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 12,
+       "fps": 39,
+       "mbps": 4.5,
+       "content_p50": 22.9,
+       "content_p95": 84.3,
+       "bitrate": 5887942,
+       "tier": 1,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 13,
+       "fps": 36,
+       "mbps": 5.81,
+       "content_p50": 28.4,
+       "content_p95": 94.8,
+       "bitrate": 8002349,
+       "tier": 1,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 14,
+       "fps": 36,
+       "mbps": 7.68,
+       "content_p50": 27.4,
+       "content_p95": 107.5,
+       "bitrate": 11948287,
+       "tier": 1,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 15,
+       "fps": 30,
+       "mbps": 5.87,
+       "content_p50": 33.0,
+       "content_p95": 104.9,
+       "bitrate": 14562426,
+       "tier": 1,
+       "w": 1920,
+       "net": null
+      }
+     ],
+     "adapt": [],
+     "content_p50": 23.4,
+     "content_p95": 100.3,
+     "input_p50": null,
+     "input_p95": null,
+     "grades": {
+      "content_p50": "local",
+      "content_p95": "bad",
+      "fps": "bad",
+      "late_pct": "bad",
+      "stall_max": "acceptable"
+     },
+     "controller": {
+      "adapt": true,
+      "baseRtt": 6.959,
+      "ceiling": 14860800,
+      "fps": 60,
+      "inFlight": 2,
+      "scale": 1,
+      "target": 7430400,
+      "tier": 0
+     },
+     "events": [
+      {
+       "t": 0.87,
+       "e": "down to 7430 kbit/s: queue 191 ms, held 3, oldest 218 ms, base 7 ms, sent 4207 got 3329"
+      },
+      {
+       "t": 7.54,
+       "e": "down to 8741 kbit/s: queue 52 ms, held 3, oldest 35 ms, base 7 ms, sent 10505 got 9712"
+      },
+      {
+       "t": 7.84,
+       "e": "down to 6992 kbit/s: queue 17 ms, held 3, oldest 3 ms, base 7 ms, sent 8895 got 9452"
+      },
+      {
+       "t": 10.54,
+       "e": "down to 7246 kbit/s: queue 19 ms, held 3, oldest 80 ms, base 7 ms, sent 8009 got 8051"
+      },
+      {
+       "t": 11.74,
+       "e": "down to 5307 kbit/s: queue 26 ms, held 3, oldest 9 ms, base 6 ms, sent 5808 got 5896"
+      },
+      {
+       "t": 12.34,
+       "e": "tier 1"
+      },
+      {
+       "t": 16.14,
+       "e": "tier 0"
+      },
+      {
+       "t": 17.34,
+       "e": "down to 7430 kbit/s: queue 94 ms, held 2, oldest 94 ms, base 6 ms, sent 7608 got 6892"
+      }
+     ],
+     "source_fps": 53.4,
+     "cpu": {
+      "mac_agent_pct": 6.5,
+      "frame_viewer_pct": 69.3,
+      "frame_tailscaled_pct": 6.4,
+      "frame_sshd_pct": 0.6,
+      "frame_gamescope_pct": 23.2,
+      "frame_total_pct": 27.8
+     },
+     "viewer": "h264 software; ANGLE (Mesa, zink Vulkan 1.4(Turnip Adreno (TM) 750 (MESA_TURNIP)), OpenGL 4.6); raf 139 Hz",
+     "show_s": 1.35,
+     "panel": "valve.steam.desktopgame.2001652781",
+     "src": "separate:13306"
+    }
+   ],
+   [
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+     "scenario": "test",
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+     "frames_drawn": 482,
+     "frames_shown": 479,
+     "duration_s": 15.7,
+     "stages_ms": {
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+       "p99": 0.0,
+       "n": 482
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+      "queue": {
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+       "p95": 16.5,
+       "p99": 18.6,
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+      "encode": {
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+       "p95": 4.5,
+       "p99": 5.0,
+       "n": 482
+      },
+      "socket": {
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+       "p95": 0.2,
+       "p99": 0.2,
+       "n": 482
+      },
+      "network": {
+       "p50": 6.0,
+       "p95": 36.8,
+       "p99": 84.9,
+       "n": 482
+      },
+      "decode": {
+       "p50": 1.0,
+       "p95": 2.7,
+       "p99": 4.8,
+       "n": 482
+      },
+      "draw": {
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+       "p95": 0.7,
+       "p99": 0.9,
+       "n": 482
+      },
+      "present": {
+       "p50": 0.6,
+       "p95": 10.8,
+       "p99": 13.0,
+       "n": 479
+      },
+      "content": {
+       "p50": 22.9,
+       "p95": 54.1,
+       "p99": 104.8,
+       "n": 482
+      },
+      "content_shown": {
+       "p50": 24.9,
+       "p95": 54.9,
+       "p99": 77.6,
+       "n": 479
+      }
+     },
+     "fps": 30.6,
+     "fps_shown": 30.4,
+     "late_pct": 68.81,
+     "stall_max": 218.0,
+     "stalls_over_100ms": 10,
+     "mbps": 0.19,
+     "keyframes": 2,
+     "size": "960x540",
+     "captured": 1037,
+     "viewer_never_drawn": 0,
+     "input_ms": {
+      "p50": 53.9,
+      "p95": 117.8,
+      "p99": 222.5,
+      "n": 29
+     },
+     "input_shown_ms": {
+      "p50": 54.4,
+      "p95": 123.9,
+      "p99": 223.5,
+      "n": 29
+     },
+     "input_parts_ms": {
+      "uplink": {
+       "p50": 17.7,
+       "p95": 77.5,
+       "p99": 127.7,
+       "n": 29
+      },
+      "mac": {
+       "p50": 8.2,
+       "p95": 30.4,
+       "p99": 63.3,
+       "n": 29
+      },
+      "back": {
+       "p50": 19.5,
+       "p95": 38.3,
+       "p99": 38.6,
+       "n": 29
+      }
+     },
+     "inputs": {
+      "sent": 30,
+      "seen": 29
+     },
+     "timeline": [
+      {
+       "t": 0,
+       "fps": 55,
+       "mbps": 0.46,
+       "content_p50": 9.9,
+       "content_p95": 20.9,
+       "bitrate": 1545640,
+       "tier": 0,
+       "w": 1280,
+       "net": null
+      },
+      {
+       "t": 1,
+       "fps": 33,
+       "mbps": 0.28,
+       "content_p50": 27.7,
+       "content_p95": 40.2,
+       "bitrate": 772820,
+       "tier": 3,
+       "w": 1280,
+       "net": null
+      },
+      {
+       "t": 2,
+       "fps": 32,
+       "mbps": 0.28,
+       "content_p50": 22.9,
+       "content_p95": 29.0,
+       "bitrate": 772820,
+       "tier": 3,
+       "w": 1280,
+       "net": null
+      },
+      {
+       "t": 3,
+       "fps": 25,
+       "mbps": 0.23,
+       "content_p50": 26.5,
+       "content_p95": 106.6,
+       "bitrate": 386410,
+       "tier": 4,
+       "w": 960,
+       "net": null
+      },
+      {
+       "t": 4,
+       "fps": 21,
+       "mbps": 0.14,
+       "content_p50": 37.0,
+       "content_p95": 54.1,
+       "bitrate": 300000,
+       "tier": 4,
+       "w": 960,
+       "net": null
+      },
+      {
+       "t": 5,
+       "fps": 24,
+       "mbps": 0.1,
+       "content_p50": 32.6,
+       "content_p95": 96.2,
+       "bitrate": 300000,
+       "tier": 4,
+       "w": 960,
+       "net": null
+      },
+      {
+       "t": 6,
+       "fps": 31,
+       "mbps": 0.12,
+       "content_p50": 29.6,
+       "content_p95": 46.7,
+       "bitrate": 300000,
+       "tier": 4,
+       "w": 960,
+       "net": null
+      },
+      {
+       "t": 7,
+       "fps": 30,
+       "mbps": 0.12,
+       "content_p50": 25.7,
+       "content_p95": 80.1,
+       "bitrate": 380000,
+       "tier": 4,
+       "w": 960,
+       "net": null
+      },
+      {
+       "t": 8,
+       "fps": 32,
+       "mbps": 0.2,
+       "content_p50": 29.0,
+       "content_p95": 56.4,
+       "bitrate": 671280,
+       "tier": 4,
+       "w": 960,
+       "net": null
+      },
+      {
+       "t": 9,
+       "fps": 26,
+       "mbps": 0.13,
+       "content_p50": 31.8,
+       "content_p95": 47.8,
+       "bitrate": 458624,
+       "tier": 4,
+       "w": 960,
+       "net": null
+      },
+      {
+       "t": 10,
+       "fps": 30,
+       "mbps": 0.14,
+       "content_p50": 36.1,
+       "content_p95": 64.2,
+       "bitrate": 458624,
+       "tier": 4,
+       "w": 960,
+       "net": null
+      },
+      {
+       "t": 11,
+       "fps": 29,
+       "mbps": 0.14,
+       "content_p50": 28.1,
+       "content_p95": 56.7,
+       "bitrate": 458624,
+       "tier": 4,
+       "w": 960,
+       "net": null
+      },
+      {
+       "t": 12,
+       "fps": 26,
+       "mbps": 0.11,
+       "content_p50": 18.7,
+       "content_p95": 27.8,
+       "bitrate": 300000,
+       "tier": 4,
+       "w": 960,
+       "net": null
+      },
+      {
+       "t": 13,
+       "fps": 32,
+       "mbps": 0.24,
+       "content_p50": 20.1,
+       "content_p95": 24.8,
+       "bitrate": 468000,
+       "tier": 4,
+       "w": 960,
+       "net": null
+      },
+      {
+       "t": 14,
+       "fps": 32,
+       "mbps": 0.18,
+       "content_p50": 19.4,
+       "content_p95": 32.8,
+       "bitrate": 468000,
+       "tier": 4,
+       "w": 960,
+       "net": null
+      },
+      {
+       "t": 15,
+       "fps": 24,
+       "mbps": 0.12,
+       "content_p50": 21.9,
+       "content_p95": 35.2,
+       "bitrate": 671280,
+       "tier": 4,
+       "w": 960,
+       "net": null
+      }
+     ],
+     "adapt": [],
+     "content_p50": 22.9,
+     "content_p95": 54.1,
+     "input_p50": 53.9,
+     "input_p95": 117.8,
+     "grades": {
+      "content_p50": "local",
+      "content_p95": "acceptable",
+      "input_p50": "acceptable",
+      "input_p95": "acceptable",
+      "fps": "bad",
+      "late_pct": "bad",
+      "stall_max": "acceptable"
+     },
+     "controller": {
+      "adapt": true,
+      "baseRtt": 6.417,
+      "ceiling": 5529600,
+      "fps": 30,
+      "inFlight": 2,
+      "scale": 0.5,
+      "target": 1386355,
+      "tier": 4
+     },
+     "events": [
+      {
+       "t": 0.87,
+       "e": "down to 1545 kbit/s: queue 18 ms, held 3, oldest 11 ms, base 5 ms, sent 424 got 420"
+      },
+      {
+       "t": 1.27,
+       "e": "down to 772 kbit/s: queue 40 ms, held 3, oldest 55 ms, base 5 ms, sent 374 got 368"
+      },
+      {
+       "t": 1.48,
+       "e": "tier 3"
+      },
+      {
+       "t": 3.37,
+       "e": "down to 386 kbit/s: queue 119 ms, held 5, oldest 20 ms, base 5 ms, sent 210 got 208"
+      },
+      {
+       "t": 3.88,
+       "e": "tier 4"
+      },
+      {
+       "t": 4.07,
+       "e": "down to 300 kbit/s: queue 55 ms, held 0, oldest 0 ms, base 5 ms, sent 254 got 254"
+      },
+      {
+       "t": 4.97,
+       "e": "down to 300 kbit/s: queue 113 ms, held 1, oldest 91 ms, base 5 ms, sent 154 got 161"
+      },
+      {
+       "t": 9.78,
+       "e": "down to 458 kbit/s: queue 206 ms, held 6, oldest 0 ms, base 6 ms, sent 109 got 127"
+      },
+      {
+       "t": 12.17,
+       "e": "down to 300 kbit/s: queue 4 ms, held 6, oldest 215 ms, base 6 ms, sent 116 got 103"
+      }
+     ],
+     "source_fps": 66.1,
+     "cpu": {
+      "mac_agent_pct": 10.9,
+      "frame_viewer_pct": 42.3,
+      "frame_tailscaled_pct": 3.8,
+      "frame_sshd_pct": 0.4,
+      "frame_gamescope_pct": 15.4,
+      "frame_total_pct": 23.3
+     },
+     "viewer": "h264 software; ANGLE (Mesa, zink Vulkan 1.4(Turnip Adreno (TM) 750 (MESA_TURNIP)), OpenGL 4.6); raf 70 Hz",
+     "show_s": 1.46,
+     "panel": "valve.steam.desktopgame.2001639889",
+     "src": "test"
+    },
+    {
+     "scenario": "scroll",
+     "frames_sent": 523,
+     "frames_drawn": 523,
+     "frames_shown": 515,
+     "duration_s": 15.7,
+     "stages_ms": {
+      "capture": {
+       "p50": -4.7,
+       "p95": 10.3,
+       "p99": 17.5,
+       "n": 523
+      },
+      "queue": {
+       "p50": 0.0,
+       "p95": 18.2,
+       "p99": 33.6,
+       "n": 523
+      },
+      "encode": {
+       "p50": 6.8,
+       "p95": 8.4,
+       "p99": 17.2,
+       "n": 523
+      },
+      "socket": {
+       "p50": 0.1,
+       "p95": 0.2,
+       "p99": 0.4,
+       "n": 523
+      },
+      "network": {
+       "p50": 7.7,
+       "p95": 34.2,
+       "p99": 205.8,
+       "n": 523
+      },
+      "decode": {
+       "p50": 6.2,
+       "p95": 15.1,
+       "p99": 23.5,
+       "n": 523
+      },
+      "draw": {
+       "p50": 0.6,
+       "p95": 0.8,
+       "p99": 1.7,
+       "n": 523
+      },
+      "present": {
+       "p50": 0.5,
+       "p95": 11.4,
+       "p99": 14.3,
+       "n": 515
+      },
+      "content": {
+       "p50": 23.9,
+       "p95": 65.6,
+       "p99": 214.3,
+       "n": 523
+      },
+      "content_shown": {
+       "p50": 26.4,
+       "p95": 66.0,
+       "p99": 215.2,
+       "n": 515
+      }
+     },
+     "fps": 33.3,
+     "fps_shown": 32.7,
+     "late_pct": 56.13,
+     "stall_max": 321.6,
+     "stalls_over_100ms": 10,
+     "mbps": 6.29,
+     "keyframes": 2,
+     "size": "1920x1290",
+     "captured": 789,
+     "viewer_never_drawn": 0,
+     "input_ms": {
+      "n": 0
+     },
+     "input_shown_ms": {
+      "n": 0
+     },
+     "input_parts_ms": {
+      "uplink": {
+       "n": 0
+      },
+      "mac": {
+       "n": 0
+      },
+      "back": {
+       "n": 0
+      }
+     },
+     "inputs": {
+      "sent": 0,
+      "seen": 0
+     },
+     "timeline": [
+      {
+       "t": 0,
+       "fps": 29,
+       "mbps": 6.01,
+       "content_p50": 17.9,
+       "content_p95": 139.0,
+       "bitrate": 7430400,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 1,
+       "fps": 26,
+       "mbps": 2.1,
+       "content_p50": 33.3,
+       "content_p95": 86.5,
+       "bitrate": 2202984,
+       "tier": 3,
+       "w": 1440,
+       "net": null
+      },
+      {
+       "t": 2,
+       "fps": 30,
+       "mbps": 2.11,
+       "content_p50": 23.4,
+       "content_p95": 40.3,
+       "bitrate": 2770610,
+       "tier": 3,
+       "w": 1440,
+       "net": null
+      },
+      {
+       "t": 3,
+       "fps": 30,
+       "mbps": 3.24,
+       "content_p50": 19.3,
+       "content_p95": 47.2,
+       "bitrate": 3853181,
+       "tier": 3,
+       "w": 1440,
+       "net": null
+      },
+      {
+       "t": 4,
+       "fps": 26,
+       "mbps": 3.85,
+       "content_p50": 20.9,
+       "content_p95": 120.6,
+       "bitrate": 5294082,
+       "tier": 3,
+       "w": 1440,
+       "net": null
+      },
+      {
+       "t": 5,
+       "fps": 26,
+       "mbps": 2.95,
+       "content_p50": 23.3,
+       "content_p95": 46.7,
+       "bitrate": 3187180,
+       "tier": 2,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 6,
+       "fps": 29,
+       "mbps": 3.51,
+       "content_p50": 27.5,
+       "content_p95": 48.7,
+       "bitrate": 4898398,
+       "tier": 2,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 7,
+       "fps": 28,
+       "mbps": 5.29,
+       "content_p50": 28.2,
+       "content_p95": 48.8,
+       "bitrate": 6685266,
+       "tier": 2,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 8,
+       "fps": 29,
+       "mbps": 7.09,
+       "content_p50": 23.8,
+       "content_p95": 50.0,
+       "bitrate": 9063588,
+       "tier": 2,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 9,
+       "fps": 35,
+       "mbps": 9.72,
+       "content_p50": 31.0,
+       "content_p95": 59.7,
+       "bitrate": 13502047,
+       "tier": 1,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 10,
+       "fps": 42,
+       "mbps": 12.62,
+       "content_p50": 23.9,
+       "content_p95": 34.4,
+       "bitrate": 14860800,
+       "tier": 1,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 11,
+       "fps": 47,
+       "mbps": 11.31,
+       "content_p50": 20.5,
+       "content_p95": 41.9,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 12,
+       "fps": 35,
+       "mbps": 8.1,
+       "content_p50": 20.7,
+       "content_p95": 120.2,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 13,
+       "fps": 35,
+       "mbps": 6.11,
+       "content_p50": 21.1,
+       "content_p95": 36.8,
+       "bitrate": 7430400,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 14,
+       "fps": 42,
+       "mbps": 8.02,
+       "content_p50": 24.8,
+       "content_p95": 38.7,
+       "bitrate": 10055362,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 15,
+       "fps": 34,
+       "mbps": 6.95,
+       "content_p50": 19.2,
+       "content_p95": 309.3,
+       "bitrate": 12271987,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      }
+     ],
+     "adapt": [],
+     "content_p50": 23.9,
+     "content_p95": 65.6,
+     "input_p50": null,
+     "input_p95": null,
+     "grades": {
+      "content_p50": "local",
+      "content_p95": "acceptable",
+      "fps": "bad",
+      "late_pct": "bad",
+      "stall_max": "bad"
+     },
+     "controller": {
+      "adapt": true,
+      "baseRtt": 7.209,
+      "ceiling": 14860800,
+      "fps": 60,
+      "inFlight": 1,
+      "scale": 1,
+      "target": 7502051,
+      "tier": 0
+     },
+     "events": [
+      {
+       "t": 0.78,
+       "e": "down to 7430 kbit/s: queue 95 ms, held 3, oldest 0 ms, base 7 ms, sent 4459 got 5191"
+      },
+      {
+       "t": 1.08,
+       "e": "down to 3715 kbit/s: queue 130 ms, held 2, oldest 127 ms, base 7 ms, sent 2434 got 2754"
+      },
+      {
+       "t": 1.48,
+       "e": "down to 2202 kbit/s: queue 44 ms, held 1, oldest 37 ms, base 7 ms, sent 1917 got 2447"
+      },
+      {
+       "t": 1.68,
+       "e": "tier 3"
+      },
+      {
+       "t": 4.98,
+       "e": "down to 3187 kbit/s: queue 102 ms, held 0, oldest 31 ms, base 7 ms, sent 3802 got 3541"
+      },
+      {
+       "t": 5.18,
+       "e": "tier 2"
+      },
+      {
+       "t": 9.38,
+       "e": "tier 1"
+      },
+      {
+       "t": 11.48,
+       "e": "tier 0"
+      },
+      {
+       "t": 13.28,
+       "e": "down to 7430 kbit/s: queue 257 ms, held 5, oldest 240 ms, base 6 ms, sent 4758 got 6534"
+      },
+      {
+       "t": 15.99,
+       "e": "down to 6774 kbit/s: queue 1 ms, held 6, oldest 284 ms, base 7 ms, sent 5665 got 4867"
+      }
+     ],
+     "source_fps": 50.3,
+     "cpu": {
+      "mac_agent_pct": 5.8,
+      "frame_viewer_pct": 64.7,
+      "frame_tailscaled_pct": 5.9,
+      "frame_sshd_pct": 0.6,
+      "frame_gamescope_pct": 16.2,
+      "frame_total_pct": 26.5
+     },
+     "viewer": "h264 software; ANGLE (Mesa, zink Vulkan 1.4(Turnip Adreno (TM) 750 (MESA_TURNIP)), OpenGL 4.6); raf 71 Hz",
+     "show_s": 1.37,
+     "panel": "valve.steam.desktopgame.2001605080",
+     "src": "separate:13687"
+    }
+   ]
+  ]
+ },
+ "table": {
+  "test": {
+   "content_p50": {
+    "off": [
+     11.5,
+     10.5,
+     12.2
+    ],
+    "on": [
+     10.9,
+     10.5,
+     22.9
+    ]
+   },
+   "content_p95": {
+    "off": [
+     15.8,
+     52.3,
+     29.7
+    ],
+    "on": [
+     75.0,
+     15.4,
+     54.1
+    ]
+   },
+   "input_p50": {
+    "off": [
+     28.8,
+     26.7,
+     31.4
+    ],
+    "on": [
+     27.2,
+     24.6,
+     53.9
+    ]
+   },
+   "input_p95": {
+    "off": [
+     38.1,
+     89.3,
+     78.1
+    ],
+    "on": [
+     95.5,
+     39.8,
+     117.8
+    ]
+   },
+   "fps": {
+    "off": [
+     60.1,
+     60.1,
+     60.1
+    ],
+    "on": [
+     53.6,
+     59.4,
+     30.6
+    ]
+   },
+   "late_pct": {
+    "off": [
+     0.95,
+     3.61,
+     5.73
+    ],
+    "on": [
+     6.06,
+     0.75,
+     68.81
+    ]
+   },
+   "stall_max": {
+    "off": [
+     68.8,
+     120.1,
+     123.4
+    ],
+    "on": [
+     127.2,
+     126.0,
+     218.0
+    ]
+   },
+   "mbps": {
+    "off": [
+     0.48,
+     0.47,
+     0.48
+    ],
+    "on": [
+     0.43,
+     0.48,
+     0.19
+    ]
+   }
+  },
+  "scroll": {
+   "content_p50": {
+    "off": [
+     19.5,
+     33.3,
+     25.3
+    ],
+    "on": [
+     16.6,
+     23.4,
+     23.9
+    ]
+   },
+   "content_p95": {
+    "off": [
+     44.4,
+     108.6,
+     110.6
+    ],
+    "on": [
+     45.7,
+     100.3,
+     65.6
+    ]
+   },
+   "input_p50": {
+    "off": [],
+    "on": []
+   },
+   "input_p95": {
+    "off": [],
+    "on": []
+   },
+   "fps": {
+    "off": [
+     47.1,
+     52.6,
+     39.5
+    ],
+    "on": [
+     48.4,
+     38.2,
+     33.3
+    ]
+   },
+   "late_pct": {
+    "off": [
+     20.92,
+     14.84,
+     33.66
+    ],
+    "on": [
+     21.06,
+     25.87,
+     56.13
+    ]
+   },
+   "stall_max": {
+    "off": [
+     128.0,
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+     6.88,
+     6.29
+    ]
+   }
+  }
+ }
+}
\ No newline at end of file
diff --git a/bench/results/2026-09-28-a3c6e5c-dirty-ab-adapt-clean2.json b/bench/results/2026-09-28-a3c6e5c-dirty-ab-adapt-clean2.json
new file mode 100644
index 0000000..d88f64a
--- /dev/null
+++ b/bench/results/2026-09-28-a3c6e5c-dirty-ab-adapt-clean2.json
@@ -0,0 +1,4150 @@
+{
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+     "keyframes": 1,
+     "size": "1920x1290",
+     "captured": 971,
+     "viewer_never_drawn": 0,
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+     },
+     "input_shown_ms": {
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+     },
+     "input_parts_ms": {
+      "uplink": {
+       "n": 0
+      },
+      "mac": {
+       "n": 0
+      },
+      "back": {
+       "n": 0
+      }
+     },
+     "inputs": {
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+      "seen": 0
+     },
+     "timeline": [
+      {
+       "t": 0,
+       "fps": 53,
+       "mbps": 9.14,
+       "content_p50": 20.2,
+       "content_p95": 40.2,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 1,
+       "fps": 58,
+       "mbps": 9.36,
+       "content_p50": 20.2,
+       "content_p95": 43.6,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 2,
+       "fps": 54,
+       "mbps": 9.42,
+       "content_p50": 18.9,
+       "content_p95": 28.1,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 3,
+       "fps": 57,
+       "mbps": 9.46,
+       "content_p50": 18.1,
+       "content_p95": 25.0,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 4,
+       "fps": 56,
+       "mbps": 8.81,
+       "content_p50": 18.9,
+       "content_p95": 25.4,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 5,
+       "fps": 57,
+       "mbps": 11.11,
+       "content_p50": 18.6,
+       "content_p95": 34.1,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 6,
+       "fps": 57,
+       "mbps": 9.96,
+       "content_p50": 18.1,
+       "content_p95": 24.0,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 7,
+       "fps": 57,
+       "mbps": 8.79,
+       "content_p50": 18.4,
+       "content_p95": 27.4,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 8,
+       "fps": 58,
+       "mbps": 9.1,
+       "content_p50": 20.3,
+       "content_p95": 27.6,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 9,
+       "fps": 56,
+       "mbps": 9.65,
+       "content_p50": 19.3,
+       "content_p95": 28.0,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 10,
+       "fps": 56,
+       "mbps": 9.15,
+       "content_p50": 20.4,
+       "content_p95": 34.6,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 11,
+       "fps": 57,
+       "mbps": 9.46,
+       "content_p50": 20.4,
+       "content_p95": 31.2,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 12,
+       "fps": 57,
+       "mbps": 9.53,
+       "content_p50": 20.4,
+       "content_p95": 31.2,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 13,
+       "fps": 57,
+       "mbps": 8.94,
+       "content_p50": 20.2,
+       "content_p95": 25.9,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 14,
+       "fps": 57,
+       "mbps": 9.2,
+       "content_p50": 19.4,
+       "content_p95": 27.1,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 15,
+       "fps": 10,
+       "mbps": 1.69,
+       "content_p50": 18.1,
+       "content_p95": 23.7,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      }
+     ],
+     "adapt": [],
+     "content_p50": 19.5,
+     "content_p95": 31.7,
+     "input_p50": null,
+     "input_p95": null,
+     "grades": {
+      "content_p50": "local",
+      "content_p95": "local",
+      "fps": "acceptable",
+      "late_pct": "bad",
+      "stall_max": "acceptable"
+     },
+     "controller": {
+      "adapt": true,
+      "baseRtt": 6.666,
+      "ceiling": 14860800,
+      "fps": 60,
+      "inFlight": 1,
+      "scale": 1,
+      "slack": 47.293,
+      "target": 14860800,
+      "tier": 0
+     },
+     "events": [],
+     "source_fps": 63.9,
+     "cpu": {
+      "mac_agent_pct": 8.5,
+      "frame_viewer_pct": 72.5,
+      "frame_tailscaled_pct": 8.3,
+      "frame_sshd_pct": 0.9,
+      "frame_gamescope_pct": 7.1,
+      "frame_total_pct": 30.1
+     },
+     "viewer": "h264 software; ANGLE (Mesa, zink Vulkan 1.4(Turnip Adreno (TM) 750 (MESA_TURNIP)), OpenGL 4.6); raf 139 Hz",
+     "show_s": 1.27,
+     "panel": "valve.steam.desktopgame.2001321860",
+     "src": "separate:5452"
+    }
+   ],
+   [
+    {
+     "scenario": "test",
+     "frames_sent": 740,
+     "frames_drawn": 740,
+     "frames_shown": 520,
+     "duration_s": 15.2,
+     "stages_ms": {
+      "capture": {
+       "p50": 0.0,
+       "p95": 0.0,
+       "p99": 0.0,
+       "n": 740
+      },
+      "queue": {
+       "p50": 0.0,
+       "p95": 13.2,
+       "p99": 19.4,
+       "n": 740
+      },
+      "encode": {
+       "p50": 4.1,
+       "p95": 4.8,
+       "p99": 5.2,
+       "n": 740
+      },
+      "socket": {
+       "p50": 0.1,
+       "p95": 0.2,
+       "p99": 0.2,
+       "n": 740
+      },
+      "network": {
+       "p50": 3.6,
+       "p95": 125.3,
+       "p99": 165.0,
+       "n": 740
+      },
+      "decode": {
+       "p50": 1.0,
+       "p95": 6.1,
+       "p99": 10.2,
+       "n": 740
+      },
+      "draw": {
+       "p50": 0.3,
+       "p95": 0.6,
+       "p99": 1.1,
+       "n": 740
+      },
+      "present": {
+       "p50": 0.9,
+       "p95": 15.9,
+       "p99": 20.1,
+       "n": 520
+      },
+      "content": {
+       "p50": 9.5,
+       "p95": 137.4,
+       "p99": 173.0,
+       "n": 740
+      },
+      "content_shown": {
+       "p50": 14.9,
+       "p95": 66.7,
+       "p99": 174.2,
+       "n": 520
+      }
+     },
+     "fps": 48.7,
+     "fps_shown": 34.2,
+     "late_pct": 16.35,
+     "stall_max": 267.4,
+     "stalls_over_100ms": 16,
+     "mbps": 0.36,
+     "keyframes": 2,
+     "size": "960x540",
+     "captured": 1032,
+     "viewer_never_drawn": 0,
+     "input_ms": {
+      "p50": 32.1,
+      "p95": 63.7,
+      "p99": 188.2,
+      "n": 29
+     },
+     "input_shown_ms": {
+      "p50": 36.2,
+      "p95": 64.1,
+      "p99": 188.9,
+      "n": 20
+     },
+     "input_parts_ms": {
+      "uplink": {
+       "p50": 10.5,
+       "p95": 31.9,
+       "p99": 47.7,
+       "n": 29
+      },
+      "mac": {
+       "p50": 5.4,
+       "p95": 19.2,
+       "p99": 30.2,
+       "n": 29
+      },
+      "back": {
+       "p50": 9.7,
+       "p95": 29.3,
+       "p99": 168.5,
+       "n": 29
+      }
+     },
+     "inputs": {
+      "sent": 30,
+      "seen": 29
+     },
+     "timeline": [
+      {
+       "t": 0,
+       "fps": 60,
+       "mbps": 0.47,
+       "content_p50": 8.6,
+       "content_p95": 10.4,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": null
+      },
+      {
+       "t": 1,
+       "fps": 60,
+       "mbps": 0.47,
+       "content_p50": 8.8,
+       "content_p95": 11.2,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": null
+      },
+      {
+       "t": 2,
+       "fps": 60,
+       "mbps": 0.47,
+       "content_p50": 8.6,
+       "content_p95": 10.3,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": null
+      },
+      {
+       "t": 3,
+       "fps": 60,
+       "mbps": 0.47,
+       "content_p50": 9.3,
+       "content_p95": 12.3,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": null
+      },
+      {
+       "t": 4,
+       "fps": 60,
+       "mbps": 0.47,
+       "content_p50": 8.6,
+       "content_p95": 10.6,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": null
+      },
+      {
+       "t": 5,
+       "fps": 60,
+       "mbps": 0.56,
+       "content_p50": 9.1,
+       "content_p95": 11.8,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": null
+      },
+      {
+       "t": 6,
+       "fps": 59,
+       "mbps": 0.45,
+       "content_p50": 9.1,
+       "content_p95": 25.5,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": null
+      },
+      {
+       "t": 7,
+       "fps": 60,
+       "mbps": 0.46,
+       "content_p50": 12.2,
+       "content_p95": 57.8,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": null
+      },
+      {
+       "t": 8,
+       "fps": 52,
+       "mbps": 0.4,
+       "content_p50": 22.0,
+       "content_p95": 159.3,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": null
+      },
+      {
+       "t": 9,
+       "fps": 47,
+       "mbps": 0.35,
+       "content_p50": 90.3,
+       "content_p95": 164.7,
+       "bitrate": 2764800,
+       "tier": 0,
+       "w": 1280,
+       "net": null
+      },
+      {
+       "t": 10,
+       "fps": 45,
+       "mbps": 0.34,
+       "content_p50": 93.8,
+       "content_p95": 166.0,
+       "bitrate": 345600,
+       "tier": 0,
+       "w": 1280,
+       "net": null
+      },
+      {
+       "t": 11,
+       "fps": 21,
+       "mbps": 0.18,
+       "content_p50": 81.0,
+       "content_p95": 177.2,
+       "bitrate": 300000,
+       "tier": 4,
+       "w": 960,
+       "net": null
+      },
+      {
+       "t": 12,
+       "fps": 27,
+       "mbps": 0.13,
+       "content_p50": 29.0,
+       "content_p95": 176.3,
+       "bitrate": 300000,
+       "tier": 4,
+       "w": 960,
+       "net": null
+      },
+      {
+       "t": 13,
+       "fps": 31,
+       "mbps": 0.11,
+       "content_p50": 21.7,
+       "content_p95": 29.4,
+       "bitrate": 300000,
+       "tier": 4,
+       "w": 960,
+       "net": null
+      },
+      {
+       "t": 14,
+       "fps": 31,
+       "mbps": 0.11,
+       "content_p50": 19.6,
+       "content_p95": 29.3,
+       "bitrate": 300000,
+       "tier": 4,
+       "w": 960,
+       "net": null
+      },
+      {
+       "t": 15,
+       "fps": 7,
+       "mbps": 0.02,
+       "content_p50": 21.9,
+       "content_p95": 29.3,
+       "bitrate": 300000,
+       "tier": 4,
+       "w": 960,
+       "net": null
+      }
+     ],
+     "adapt": [],
+     "content_p50": 9.5,
+     "content_p95": 137.4,
+     "input_p50": 32.1,
+     "input_p95": 63.7,
+     "grades": {
+      "input_replies": "local",
+      "content_p50": "local",
+      "content_p95": "bad",
+      "input_p50": "local",
+      "input_p95": "local",
+      "fps": "acceptable",
+      "late_pct": "bad",
+      "stall_max": "bad"
+     },
+     "controller": {
+      "adapt": true,
+      "baseRtt": 5.625,
+      "ceiling": 5529600,
+      "fps": 30,
+      "inFlight": 3,
+      "scale": 0.5,
+      "slack": 86.958,
+      "target": 917248,
+      "tier": 4
+     },
+     "events": [
+      {
+       "t": 9.22,
+       "e": "down to 2764 kbit/s: queue 25 ms, held 4, oldest 0 ms, base 5 ms, sent 354 got 379"
+      },
+      {
+       "t": 10.02,
+       "e": "down to 1382 kbit/s: queue 99 ms, held 5, oldest 0 ms, base 5 ms, sent 346 got 346"
+      },
+      {
+       "t": 10.32,
+       "e": "down to 691 kbit/s: queue 109 ms, held 4, oldest 15 ms, base 5 ms, sent 316 got 309"
+      },
+      {
+       "t": 10.82,
+       "e": "down to 345 kbit/s: queue 105 ms, held 5, oldest 177 ms, base 5 ms, sent 304 got 243"
+      },
+      {
+       "t": 11.22,
+       "e": "down to 300 kbit/s: queue 118 ms, held 0, oldest 42 ms, base 5 ms, sent 302 got 332"
+      },
+      {
+       "t": 11.42,
+       "e": "tier 4"
+      },
+      {
+       "t": 11.62,
+       "e": "down to 300 kbit/s: queue 140 ms, held 3, oldest 0 ms, base 5 ms, sent 291 got 291"
+      },
+      {
+       "t": 12.22,
+       "e": "down to 300 kbit/s: queue 61 ms, held 2, oldest 1 ms, base 5 ms, sent 152 got 137"
+      },
+      {
+       "t": 12.52,
+       "e": "down to 300 kbit/s: queue 102 ms, held 0, oldest 4 ms, base 5 ms, sent 156 got 146"
+      }
+     ],
+     "source_fps": 67.9,
+     "cpu": {
+      "mac_agent_pct": 13.4,
+      "frame_viewer_pct": 35.6,
+      "frame_tailscaled_pct": 4.1,
+      "frame_sshd_pct": 0.5,
+      "frame_gamescope_pct": 7.0,
+      "frame_total_pct": 24.6
+     },
+     "viewer": "h264 software; ANGLE (Mesa, zink Vulkan 1.4(Turnip Adreno (TM) 750 (MESA_TURNIP)), OpenGL 4.6); raf 138 Hz",
+     "show_s": 1.29,
+     "panel": "valve.steam.desktopgame.2001639889",
+     "src": "test"
+    },
+    {
+     "scenario": "scroll",
+     "frames_sent": 852,
+     "frames_drawn": 852,
+     "frames_shown": 607,
+     "duration_s": 15.2,
+     "stages_ms": {
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+       "p50": -4.5,
+       "p95": 0.5,
+       "p99": 6.7,
+       "n": 852
+      },
+      "queue": {
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+       "p95": 0.1,
+       "p99": 0.5,
+       "n": 852
+      },
+      "encode": {
+       "p50": 6.6,
+       "p95": 9.3,
+       "p99": 16.5,
+       "n": 852
+      },
+      "socket": {
+       "p50": 0.1,
+       "p95": 0.2,
+       "p99": 0.4,
+       "n": 852
+      },
+      "network": {
+       "p50": 5.9,
+       "p95": 15.8,
+       "p99": 58.8,
+       "n": 852
+      },
+      "decode": {
+       "p50": 5.8,
+       "p95": 11.6,
+       "p99": 23.2,
+       "n": 852
+      },
+      "draw": {
+       "p50": 0.6,
+       "p95": 1.3,
+       "p99": 1.8,
+       "n": 852
+      },
+      "present": {
+       "p50": 4.2,
+       "p95": 16.4,
+       "p99": 20.1,
+       "n": 607
+      },
+      "content": {
+       "p50": 19.6,
+       "p95": 37.9,
+       "p99": 106.2,
+       "n": 852
+      },
+      "content_shown": {
+       "p50": 25.7,
+       "p95": 45.1,
+       "p99": 110.7,
+       "n": 607
+      }
+     },
+     "fps": 56.2,
+     "fps_shown": 40.0,
+     "late_pct": 5.52,
+     "stall_max": 147.0,
+     "stalls_over_100ms": 3,
+     "mbps": 9.36,
+     "keyframes": 1,
+     "size": "1920x1290",
+     "captured": 982,
+     "viewer_never_drawn": 0,
+     "input_ms": {
+      "n": 0
+     },
+     "input_shown_ms": {
+      "n": 0
+     },
+     "input_parts_ms": {
+      "uplink": {
+       "n": 0
+      },
+      "mac": {
+       "n": 0
+      },
+      "back": {
+       "n": 0
+      }
+     },
+     "inputs": {
+      "sent": 0,
+      "seen": 0
+     },
+     "timeline": [
+      {
+       "t": 0,
+       "fps": 44,
+       "mbps": 8.61,
+       "content_p50": 29.3,
+       "content_p95": 126.2,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 1,
+       "fps": 55,
+       "mbps": 9.63,
+       "content_p50": 19.5,
+       "content_p95": 29.8,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 2,
+       "fps": 57,
+       "mbps": 9.2,
+       "content_p50": 20.4,
+       "content_p95": 71.6,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 3,
+       "fps": 53,
+       "mbps": 9.04,
+       "content_p50": 19.5,
+       "content_p95": 36.7,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 4,
+       "fps": 58,
+       "mbps": 9.08,
+       "content_p50": 18.9,
+       "content_p95": 22.3,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 5,
+       "fps": 57,
+       "mbps": 9.22,
+       "content_p50": 19.3,
+       "content_p95": 25.2,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 6,
+       "fps": 57,
+       "mbps": 11.78,
+       "content_p50": 20.5,
+       "content_p95": 37.4,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
+       "t": 7,
+       "fps": 57,
+       "mbps": 8.73,
+       "content_p50": 19.2,
+       "content_p95": 24.2,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
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+  }
+ }
+}
\ No newline at end of file
diff --git a/bench/results/2026-09-28-a3c6e5c-dirty-ab-adapt-step3.json b/bench/results/2026-09-28-a3c6e5c-dirty-ab-adapt-step3.json
new file mode 100644
index 0000000..332db76
--- /dev/null
+++ b/bench/results/2026-09-28-a3c6e5c-dirty-ab-adapt-step3.json
@@ -0,0 +1,3743 @@
+{
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+     "grades": {
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+      "fps": "bad",
+      "late_pct": "bad",
+      "stall_max": "acceptable",
+      "adapt@8s": "bad"
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+     "events": [
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+       "e": "down to 7430 kbit/s: queue 100 ms, held 6, oldest 197 ms, base 10 ms, sent 5528 got 5268 wants 8906"
+      },
+      {
+       "t": 8.71,
+       "e": "down to 3715 kbit/s: queue 209 ms, held 4, oldest 115 ms, base 10 ms, sent 2861 got 2421 wants 10373"
+      },
+      {
+       "t": 9.41,
+       "e": "down to 2640 kbit/s: queue 48 ms, held 0, oldest 59 ms, base 10 ms, sent 3222 got 2933 wants 3166"
+      },
+      {
+       "t": 9.71,
+       "e": "down to 2112 kbit/s: queue 48 ms, held 0, oldest 31 ms, base 10 ms, sent 2907 got 3032 wants 2906"
+      },
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+       "e": "tier 3"
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+      {
+       "t": 10.21,
+       "e": "down to 1689 kbit/s: queue 186 ms, held 4, oldest 0 ms, base 10 ms, sent 2091 got 2288 wants 3137"
+      },
+      {
+       "t": 12.91,
+       "e": "down to 2611 kbit/s: queue 44 ms, held 0, oldest 27 ms, base 10 ms, sent 3243 got 2901 wants 3243"
+      },
+      {
+       "t": 13.31,
+       "e": "down to 2089 kbit/s: queue 41 ms, held 0, oldest 60 ms, base 10 ms, sent 2775 got 2764 wants 2775"
+      },
+      {
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+       "e": "down to 2357 kbit/s: queue 44 ms, held 0, oldest 28 ms, base 10 ms, sent 2539 got 2729 wants 2539"
+      },
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+       "e": "tier 2"
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+       "e": "tier 1"
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+     "panel": "valve.steam.desktopgame.2001853011",
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+     "events": [
+      {
+       "t": 8.32,
+       "e": "down to 7430 kbit/s: queue 98 ms, held 6, oldest 191 ms, base 9 ms, sent 6068 got 6112 wants 9608"
+      },
+      {
+       "t": 8.92,
+       "e": "down to 3715 kbit/s: queue 197 ms, held 5, oldest 239 ms, base 9 ms, sent 2451 got 2882 wants 8733"
+      },
+      {
+       "t": 9.22,
+       "e": "down to 2206 kbit/s: queue 237 ms, held 4, oldest 161 ms, base 9 ms, sent 3261 got 2451 wants 10510"
+      },
+      {
+       "t": 9.52,
+       "e": "down to 1765 kbit/s: queue 392 ms, held 6, oldest 456 ms, base 9 ms, sent 2553 got 2705 wants 10396"
+      },
+      {
+       "t": 11.22,
+       "e": "down to 1756 kbit/s: queue 48 ms, held 0, oldest 3 ms, base 8 ms, sent 1996 got 1952 wants 2107"
+      },
+      {
+       "t": 11.52,
+       "e": "tier 3"
+      },
+      {
+       "t": 11.92,
+       "e": "down to 1405 kbit/s: queue 158 ms, held 2, oldest 0 ms, base 8 ms, sent 1907 got 1907 wants 2384"
+      },
+      {
+       "t": 14.92,
+       "e": "down to 2373 kbit/s: queue 47 ms, held 0, oldest 58 ms, base 8 ms, sent 2973 got 2637 wants 2972"
+      },
+      {
+       "t": 18.22,
+       "e": "tier 2"
+      },
+      {
+       "t": 20.32,
+       "e": "tier 1"
+      },
+      {
+       "t": 22.42,
+       "e": "tier 0"
+      }
+     ],
+     "source_fps": 61.7,
+     "cpu": {
+      "mac_agent_pct": 7.1,
+      "frame_viewer_pct": 59.9,
+      "frame_tailscaled_pct": 7.4,
+      "frame_sshd_pct": 0.7,
+      "frame_gamescope_pct": 9.8,
+      "frame_total_pct": 37.2
+     },
+     "viewer": "h264 software; ANGLE (Mesa, zink Vulkan 1.4(Turnip Adreno (TM) 750 (MESA_TURNIP)), OpenGL 4.6); raf 70 Hz",
+     "show_s": 1.32,
+     "panel": "valve.steam.desktopgame.2001220345",
+     "src": "separate:6403"
+    },
+    {
+     "scenario": "test",
+     "frames_sent": 1455,
+     "frames_drawn": 1455,
+     "frames_shown": 569,
+     "duration_s": 24.3,
+     "stages_ms": {
+      "capture": {
+       "p50": 0.0,
+       "p95": 0.0,
+       "p99": 0.0,
+       "n": 1455
+      },
+      "queue": {
+       "p50": 0.0,
+       "p95": 0.1,
+       "p99": 0.1,
+       "n": 1455
+      },
+      "encode": {
+       "p50": 4.0,
+       "p95": 4.7,
+       "p99": 5.0,
+       "n": 1455
+      },
+      "socket": {
+       "p50": 0.1,
+       "p95": 0.2,
+       "p99": 0.2,
+       "n": 1455
+      },
+      "network": {
+       "p50": 5.7,
+       "p95": 9.8,
+       "p99": 13.3,
+       "n": 1455
+      },
+      "decode": {
+       "p50": 1.1,
+       "p95": 2.6,
+       "p99": 3.9,
+       "n": 1455
+      },
+      "draw": {
+       "p50": 0.4,
+       "p95": 0.8,
+       "p99": 1.2,
+       "n": 1455
+      },
+      "present": {
+       "p50": 5.7,
+       "p95": 17.2,
+       "p99": 19.5,
+       "n": 569
+      },
+      "content": {
+       "p50": 11.5,
+       "p95": 15.9,
+       "p99": 19.4,
+       "n": 1455
+      },
+      "content_shown": {
+       "p50": 17.6,
+       "p95": 29.4,
+       "p99": 31.2,
+       "n": 569
+      }
+     },
+     "fps": 59.8,
+     "fps_shown": 23.4,
+     "late_pct": 1.1,
+     "stall_max": 115.1,
+     "stalls_over_100ms": 1,
+     "mbps": 0.47,
+     "keyframes": 2,
+     "size": "1280x720",
+     "captured": 1580,
+     "viewer_never_drawn": 0,
+     "input_ms": {
+      "p50": 29.1,
+      "p95": 50.1,
+      "p99": 55.5,
+      "n": 48
+     },
+     "input_shown_ms": {
+      "p50": 44.2,
+      "p95": 51.9,
+      "p99": 55.9,
+      "n": 15
+     },
+     "input_parts_ms": {
+      "uplink": {
+       "p50": 10.1,
+       "p95": 23.2,
+       "p99": 27.8,
+       "n": 48
+      },
+      "mac": {
+       "p50": 6.0,
+       "p95": 17.1,
+       "p99": 20.1,
+       "n": 48
+      },
+      "back": {
+       "p50": 11.6,
+       "p95": 17.2,
+       "p99": 18.3,
+       "n": 48
+      }
+     },
+     "inputs": {
+      "sent": 48,
+      "seen": 48
+     },
+     "timeline": [
+      {
+       "t": 0,
+       "fps": 60,
+       "mbps": 0.48,
+       "content_p50": 10.9,
+       "content_p95": 13.7,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": 50.0
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+      {
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+       "content_p95": 13.6,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
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+      {
+       "t": 2,
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+       "content_p50": 11.0,
+       "content_p95": 14.1,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": 50.0
+      },
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+       "t": 3,
+       "fps": 60,
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+       "content_p95": 15.3,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
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+       "t": 4,
+       "fps": 61,
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+       "content_p50": 11.4,
+       "content_p95": 18.4,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": 50.0
+      },
+      {
+       "t": 5,
+       "fps": 59,
+       "mbps": 0.47,
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+       "content_p95": 13.6,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": 50.0
+      },
+      {
+       "t": 6,
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+       "mbps": 0.58,
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+       "content_p95": 25.5,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": 50.0
+      },
+      {
+       "t": 7,
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+       "content_p50": 11.0,
+       "content_p95": 13.1,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": 50.0
+      },
+      {
+       "t": 8,
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+       "content_p50": 13.9,
+       "content_p95": 17.2,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": 3.0
+      },
+      {
+       "t": 9,
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+       "content_p95": 18.3,
+       "bitrate": 5529600,
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+       "w": 1280,
+       "net": 3.0
+      },
+      {
+       "t": 10,
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+       "content_p95": 16.1,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": 3.0
+      },
+      {
+       "t": 11,
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+       "content_p50": 11.8,
+       "content_p95": 15.3,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": 3.0
+      },
+      {
+       "t": 12,
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+       "content_p50": 13.4,
+       "content_p95": 16.1,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": 3.0
+      },
+      {
+       "t": 13,
+       "fps": 59,
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+       "content_p95": 16.2,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": 3.0
+      },
+      {
+       "t": 14,
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+       "mbps": 0.43,
+       "content_p50": 13.2,
+       "content_p95": 18.3,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": 3.0
+      },
+      {
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+       "content_p95": 16.7,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": 3.0
+      },
+      {
+       "t": 16,
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+       "mbps": 0.56,
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+       "content_p95": 15.0,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": 50.0
+      },
+      {
+       "t": 17,
+       "fps": 59,
+       "mbps": 0.43,
+       "content_p50": 10.8,
+       "content_p95": 14.3,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": 50.0
+      },
+      {
+       "t": 18,
+       "fps": 61,
+       "mbps": 0.46,
+       "content_p50": 10.7,
+       "content_p95": 13.8,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": 50.0
+      },
+      {
+       "t": 19,
+       "fps": 59,
+       "mbps": 0.45,
+       "content_p50": 10.7,
+       "content_p95": 13.0,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": 50.0
+      },
+      {
+       "t": 20,
+       "fps": 61,
+       "mbps": 0.46,
+       "content_p50": 10.5,
+       "content_p95": 15.1,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": 50.0
+      },
+      {
+       "t": 21,
+       "fps": 59,
+       "mbps": 0.44,
+       "content_p50": 10.7,
+       "content_p95": 13.1,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": 50.0
+      },
+      {
+       "t": 22,
+       "fps": 60,
+       "mbps": 0.45,
+       "content_p50": 10.8,
+       "content_p95": 12.8,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": 50.0
+      },
+      {
+       "t": 23,
+       "fps": 60,
+       "mbps": 0.45,
+       "content_p50": 10.6,
+       "content_p95": 12.3,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": 50.0
+      },
+      {
+       "t": 24,
+       "fps": 19,
+       "mbps": 0.13,
+       "content_p50": 10.6,
+       "content_p95": 16.1,
+       "bitrate": 5529600,
+       "tier": 0,
+       "w": 1280,
+       "net": 50.0
+      }
+     ],
+     "adapt": [
+      {
+       "at": 8.0,
+       "to_mbit": 3.0,
+       "p95_bound": 40.0,
+       "worst_p95": 18.3,
+       "settled_s": 0.0
+      }
+     ],
+     "content_p50": 11.5,
+     "content_p95": 15.9,
+     "input_p50": 29.1,
+     "input_p95": 50.1,
+     "grades": {
+      "input_replies": "local",
+      "content_p50": "local",
+      "content_p95": "local",
+      "input_p50": "local",
+      "input_p95": "local",
+      "fps": "local",
+      "late_pct": "acceptable",
+      "stall_max": "acceptable",
+      "adapt@8s": "local"
+     },
+     "controller": {
+      "adapt": true,
+      "baseRtt": 6,
+      "ceiling": 5529600,
+      "fps": 60,
+      "inFlight": 2,
+      "scale": 1,
+      "slack": 49.792,
+      "target": 5529600,
+      "tier": 0
+     },
+     "events": [],
+     "source_fps": 65.0,
+     "cpu": {
+      "mac_agent_pct": 14.2,
+      "frame_viewer_pct": 52.2,
+      "frame_tailscaled_pct": 5.8,
+      "frame_sshd_pct": 0.8,
+      "frame_gamescope_pct": 12.2,
+      "frame_total_pct": 38.8
+     },
+     "viewer": "h264 software; ANGLE (Mesa, zink Vulkan 1.4(Turnip Adreno (TM) 750 (MESA_TURNIP)), OpenGL 4.6); raf 72 Hz",
+     "show_s": 1.38,
+     "panel": "valve.steam.desktopgame.2001639889",
+     "src": "test"
+    }
+   ]
+  ]
+ },
+ "table": {
+  "scroll": {
+   "content_p50": {
+    "off": [
+     27.5,
+     23.8
+    ],
+    "on": [
+     26.6,
+     25.5
+    ]
+   },
+   "content_p95": {
+    "off": [
+     4986.4,
+     4355.1
+    ],
+    "on": [
+     69.2,
+     74.6
+    ]
+   },
+   "input_p50": {
+    "off": [],
+    "on": []
+   },
+   "input_p95": {
+    "off": [],
+    "on": []
+   },
+   "fps": {
+    "off": [
+     45.8,
+     44.5
+    ],
+    "on": [
+     41.8,
+     43.0
+    ]
+   },
+   "late_pct": {
+    "off": [
+     19.19,
+     17.67
+    ],
+    "on": [
+     31.82,
+     27.59
+    ]
+   },
+   "stall_max": {
+    "off": [
+     232.1,
+     398.2
+    ],
+    "on": [
+     245.3,
+     430.7
+    ]
+   },
+   "mbps": {
+    "off": [
+     8.62,
+     8.39
+    ],
+    "on": [
+     6.13,
+     6.22
+    ]
+   }
+  },
+  "test": {
+   "content_p50": {
+    "off": [
+     12.8,
+     10.7
+    ],
+    "on": [
+     11.1,
+     11.5
+    ]
+   },
+   "content_p95": {
+    "off": [
+     116.8,
+     15.6
+    ],
+    "on": [
+     16.2,
+     15.9
+    ]
+   },
+   "input_p50": {
+    "off": [
+     34.4,
+     29.6
+    ],
+    "on": [
+     30.0,
+     29.1
+    ]
+   },
+   "input_p95": {
+    "off": [
+     86.0,
+     50.1
+    ],
+    "on": [
+     47.7,
+     50.1
+    ]
+   },
+   "fps": {
+    "off": [
+     60.0,
+     60.0
+    ],
+    "on": [
+     60.0,
+     59.8
+    ]
+   },
+   "late_pct": {
+    "off": [
+     3.69,
+     1.92
+    ],
+    "on": [
+     0.82,
+     1.1
+    ]
+   },
+   "stall_max": {
+    "off": [
+     185.4,
+     157.3
+    ],
+    "on": [
+     32.9,
+     115.1
+    ]
+   },
+   "mbps": {
+    "off": [
+     0.49,
+     0.46
+    ],
+    "on": [
+     0.47,
+     0.47
+    ]
+   }
+  }
+ }
+}
\ No newline at end of file
diff --git a/bench/results/2026-09-28-a3c6e5c-dirty-ab-keepwarm.json b/bench/results/2026-09-28-a3c6e5c-dirty-ab-keepwarm.json
new file mode 100644
index 0000000..21c9e37
--- /dev/null
+++ b/bench/results/2026-09-28-a3c6e5c-dirty-ab-keepwarm.json
@@ -0,0 +1,2172 @@
+{
+ "label": "ab-keepwarm",
+ "date": "2026-09-28T20:28:57",
+ "commit": "a3c6e5c+dirty",
+ "config": {
+  "quality": "balanced",
+  "mode": "separate",
+  "net": "none",
+  "delay_ms": 0,
+  "buffer_ms": 250,
+  "host": "frame",
+  "ssh_opts": [],
+  "encoder": "",
+  "duration_s": 20.0,
+  "browser_flags": []
+ },
+ "frame_build": "20260925.6191901",
+ "mac": "26.5.2",
+ "headset": "8:23.135290 [Info] - 0 - leaving standby",
+ "scenarios": [],
+ "arms": [
+  "cold:FRAME_MAC_VIEW_WARM=0",
+  "warm:FRAME_MAC_VIEW_WARM=40"
+ ],
+ "runs": {
+  "cold": [
+   [
+    {
+     "scenario": "type",
+     "frames_sent": 145,
+     "frames_drawn": 145,
+     "frames_shown": 142,
+     "duration_s": 21.1,
+     "stages_ms": {
+      "capture": {
+       "p50": -2.5,
+       "p95": 2.7,
+       "p99": 19.4,
+       "n": 145
+      },
+      "queue": {
+       "p50": 0.0,
+       "p95": 0.0,
+       "p99": 0.3,
+       "n": 145
+      },
+      "encode": {
+       "p50": 6.5,
+       "p95": 9.6,
+       "p99": 18.2,
+       "n": 145
+      },
+      "socket": {
+       "p50": 0.1,
+       "p95": 0.2,
+       "p99": 1.0,
+       "n": 145
+      },
+      "network": {
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+       "p95": 7.5,
+       "p99": 22.8,
+       "n": 145
+      },
+      "decode": {
+       "p50": 2.1,
+       "p95": 4.2,
+       "p99": 5.1,
+       "n": 145
+      },
+      "draw": {
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+       "p95": 1.3,
+       "p99": 2.0,
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+      },
+      "present": {
+       "p50": 0.5,
+       "p95": 9.3,
+       "p99": 12.6,
+       "n": 142
+      },
+      "content": {
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+      },
+      "content_shown": {
+       "p50": 14.9,
+       "p95": 26.0,
+       "p99": 36.9,
+       "n": 142
+      }
+     },
+     "fps": 6.9,
+     "fps_shown": 6.7,
+     "late_pct": 51.37,
+     "stall_max": 1007.5,
+     "stalls_over_100ms": 66,
+     "mbps": 0.03,
+     "keyframes": 0,
+     "size": "1920x1290",
+     "captured": 145,
+     "viewer_never_drawn": 0,
+     "input_ms": {
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+      "p95": 68.2,
+      "p99": 72.7,
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+     "input_shown_ms": {
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+      "p95": 68.9,
+      "p99": 73.1,
+      "n": 66
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+     "input_parts_ms": {
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+       "p95": 17.4,
+       "p99": 41.0,
+       "n": 66
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+      "mac": {
+       "p50": 22.8,
+       "p95": 36.8,
+       "p99": 42.9,
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+      },
+      "back": {
+       "p50": 14.5,
+       "p95": 20.7,
+       "p99": 25.4,
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+      }
+     },
+     "inputs": {
+      "asked": 65,
+      "sent": 66,
+      "seen": 66
+     },
+     "timeline": [
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+       "fps": 37,
+       "mbps": 0.26,
+       "content_p50": 14.9,
+       "content_p95": 36.5,
+       "bitrate": 14860800,
+       "tier": 0,
+       "w": 1920,
+       "net": null
+      },
+      {
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+    ]
+   }
+  }
+ }
+}
\ No newline at end of file
diff --git a/bench/results/2026-09-28-a3c6e5c-dirty-adapt-clean.json b/bench/results/2026-09-28-a3c6e5c-dirty-adapt-clean.json
new file mode 100644
index 0000000..7f449e1
--- /dev/null
+++ b/bench/results/2026-09-28-a3c6e5c-dirty-adapt-clean.json
@@ -0,0 +1,984 @@
+{
+ "label": "adapt-clean",
+ "date": "2026-09-28T17:13:59",
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+  },
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+   "show_s": 5.12,
+   "panel": "valve.steam.desktopgame.2001910179",
+   "src": "separate:9510"
+  }
+ ]
+}
\ No newline at end of file
diff --git a/bench/results/2026-09-28-a3c6e5c-dirty-adapt-clean2.json b/bench/results/2026-09-28-a3c6e5c-dirty-adapt-clean2.json
new file mode 100644
index 0000000..79fd46c
--- /dev/null
+++ b/bench/results/2026-09-28-a3c6e5c-dirty-adapt-clean2.json
@@ -0,0 +1,1116 @@
+{
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+ "date": "2026-09-28T17:16:27",
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+     "w": 1920,
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+    }
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+   "input_p95": 77.2,
+   "grades": {
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+    "content_p95": "local",
+    "input_p50": "local",
+    "input_p95": "acceptable"
+   },
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+   "cpu": {
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+    "frame_viewer_pct": 7.1,
+    "frame_tailscaled_pct": 2.2,
+    "frame_sshd_pct": 0.3,
+    "frame_gamescope_pct": 4.7,
+    "frame_total_pct": 15.3
+   },
+   "viewer": "h264 software; ANGLE (Mesa, zink Vulkan 1.4(Turnip Adreno (TM) 750 (MESA_TURNIP)), OpenGL 4.6); raf 141 Hz",
+   "show_s": 6.64,
+   "panel": "valve.steam.desktopgame.2001684656",
+   "src": "separate:9763"
+  }
+ ]
+}
\ No newline at end of file
diff --git a/bench/results/2026-09-28-a3c6e5c-dirty-baseline-fixed.json b/bench/results/2026-09-28-a3c6e5c-dirty-baseline-fixed.json
new file mode 100644
index 0000000..d12e58c
--- /dev/null
+++ b/bench/results/2026-09-28-a3c6e5c-dirty-baseline-fixed.json
@@ -0,0 +1,1124 @@
+{
+ "label": "baseline-fixed",
+ "date": "2026-09-28T17:02:53",
+ "commit": "a3c6e5c+dirty",
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+  "encoder": "",
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+  "browser_flags": []
+ },
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+   "panel": "valve.steam.desktopgame.2001132791",
+   "src": "separate:8652"
+  }
+ ]
+}
\ No newline at end of file
diff --git a/bench/results/2026-09-28-a3c6e5c-dirty-baseline.json b/bench/results/2026-09-28-a3c6e5c-dirty-baseline.json
new file mode 100644
index 0000000..25b9f92
--- /dev/null
+++ b/bench/results/2026-09-28-a3c6e5c-dirty-baseline.json
@@ -0,0 +1,1124 @@
+{
+ "label": "baseline",
+ "date": "2026-09-28T16:53:43",
+ "commit": "a3c6e5c+dirty",
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+  "encoder": "",
+  "duration_s": 20.0,
+  "browser_flags": []
+ },
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+    "frame_viewer_pct": 51.1,
+    "frame_tailscaled_pct": 5.3,
+    "frame_sshd_pct": 0.8,
+    "frame_gamescope_pct": 5.7,
+    "frame_total_pct": 15.3
+   },
+   "viewer": "h264 software; ANGLE (Mesa, zink Vulkan 1.4(Turnip Adreno (TM) 750 (MESA_TURNIP)), OpenGL 4.6); raf 140 Hz",
+   "show_s": 1.87,
+   "panel": "valve.steam.desktopgame.2001639889",
+   "src": "test"
+  },
+  {
+   "scenario": "scroll",
+   "frames_sent": 690,
+   "frames_drawn": 683,
+   "frames_shown": 645,
+   "duration_s": 20.7,
+   "stages_ms": {
+    "capture": {
+     "p50": -1.2,
+     "p95": 16.9,
+     "p99": 24.5,
+     "n": 690
+    },
+    "queue": {
+     "p50": 0.0,
+     "p95": 0.0,
+     "p99": 0.1,
+     "n": 690
+    },
+    "encode": {
+     "p50": 4.1,
+     "p95": 7.0,
+     "p99": 13.2,
+     "n": 690
+    },
+    "socket": {
+     "p50": 0.1,
+     "p95": 0.2,
+     "p99": 0.3,
+     "n": 690
+    },
+    "network": {
+     "p50": 6.2,
+     "p95": 14.6,
+     "p99": 119.2,
+     "n": 690
+    },
+    "decode": {
+     "p50": 3.7,
+     "p95": 9.4,
+     "p99": 23.3,
+     "n": 683
+    },
+    "draw": {
+     "p50": 0.4,
+     "p95": 0.8,
+     "p99": 1.2,
+     "n": 683
+    },
+    "present": {
+     "p50": 0.8,
+     "p95": 18.6,
+     "p99": 23.6,
+     "n": 645
+    },
+    "content": {
+     "p50": 15.0,
+     "p95": 40.3,
+     "p99": 112.7,
+     "n": 683
+    },
+    "content_shown": {
+     "p50": 20.2,
+     "p95": 42.7,
+     "p99": 106.9,
+     "n": 645
+    }
+   },
+   "fps": 33.0,
+   "fps_shown": 31.1,
+   "late_pct": 42.82,
+   "stall_max": 492.6,
+   "stalls_over_100ms": 6,
+   "mbps": 3.11,
+   "keyframes": 3,
+   "size": "1280x860",
+   "captured": 905,
+   "viewer_never_drawn": 7,
+   "input_ms": {
+    "n": 0
+   },
+   "input_shown_ms": {
+    "n": 0
+   },
+   "input_parts_ms": {
+    "uplink": {
+     "n": 0
+    },
+    "mac": {
+     "n": 0
+    },
+    "back": {
+     "n": 0
+    }
+   },
+   "inputs": {
+    "sent": 0,
+    "seen": 0
+   },
+   "timeline": [
+    {
+     "t": 0,
+     "fps": 36,
+     "mbps": 3.42,
+     "content_p50": 17.7,
+     "content_p95": 34.3,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 1,
+     "fps": 35,
+     "mbps": 2.8,
+     "content_p50": 13.6,
+     "content_p95": 27.7,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 2,
+     "fps": 31,
+     "mbps": 2.15,
+     "content_p50": 12.1,
+     "content_p95": 34.1,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 3,
+     "fps": 37,
+     "mbps": 2.29,
+     "content_p50": 14.6,
+     "content_p95": 28.5,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 4,
+     "fps": 35,
+     "mbps": 2.11,
+     "content_p50": 16.1,
+     "content_p95": 29.3,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 5,
+     "fps": 33,
+     "mbps": 2.05,
+     "content_p50": 10.9,
+     "content_p95": 27.9,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
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+     "fps": 33,
+     "mbps": 5.71,
+     "content_p50": 17.1,
+     "content_p95": 41.7,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 7,
+     "fps": 31,
+     "mbps": 3.3,
+     "content_p50": 12.1,
+     "content_p95": 31.3,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 8,
+     "fps": 24,
+     "mbps": 4.37,
+     "content_p50": 26.6,
+     "content_p95": 236.8,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 9,
+     "fps": 36,
+     "mbps": 3.19,
+     "content_p50": 11.6,
+     "content_p95": 26.5,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 10,
+     "fps": 36,
+     "mbps": 3.53,
+     "content_p50": 15.2,
+     "content_p95": 29.6,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 11,
+     "fps": 29,
+     "mbps": 3.56,
+     "content_p50": 11.5,
+     "content_p95": 36.8,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 12,
+     "fps": 29,
+     "mbps": 1.99,
+     "content_p50": 13.2,
+     "content_p95": 41.2,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 13,
+     "fps": 31,
+     "mbps": 3.4,
+     "content_p50": 23.9,
+     "content_p95": 44.5,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 14,
+     "fps": 32,
+     "mbps": 2.85,
+     "content_p50": 14.3,
+     "content_p95": 37.6,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 15,
+     "fps": 31,
+     "mbps": 3.39,
+     "content_p50": 19.8,
+     "content_p95": 35.9,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 16,
+     "fps": 22,
+     "mbps": 2.74,
+     "content_p50": 22.5,
+     "content_p95": 112.7,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 17,
+     "fps": 44,
+     "mbps": 3.2,
+     "content_p50": 14.0,
+     "content_p95": 31.0,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 18,
+     "fps": 35,
+     "mbps": 4.12,
+     "content_p50": 16.8,
+     "content_p95": 32.9,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 19,
+     "fps": 36,
+     "mbps": 2.63,
+     "content_p50": 13.9,
+     "content_p95": 25.2,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 20,
+     "fps": 27,
+     "mbps": 1.71,
+     "content_p50": 17.2,
+     "content_p95": 40.3,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    }
+   ],
+   "adapt": [],
+   "content_p50": 15.0,
+   "content_p95": 40.3,
+   "input_p50": null,
+   "input_p95": null,
+   "grades": {
+    "content_p50": "local",
+    "content_p95": "acceptable",
+    "fps": "bad",
+    "late_pct": "bad",
+    "stall_max": "bad"
+   },
+   "cpu": {
+    "mac_agent_pct": 5.1,
+    "frame_viewer_pct": 44.2,
+    "frame_tailscaled_pct": 4.8,
+    "frame_sshd_pct": 0.6,
+    "frame_gamescope_pct": 4.2,
+    "frame_total_pct": 13.7
+   },
+   "viewer": "h264 software; ANGLE (Mesa, zink Vulkan 1.4(Turnip Adreno (TM) 750 (MESA_TURNIP)), OpenGL 4.6); raf 139 Hz",
+   "show_s": 1.82,
+   "panel": "valve.steam.desktopgame.2001631563",
+   "src": "separate:6889"
+  },
+  {
+   "scenario": "type",
+   "frames_sent": 76,
+   "frames_drawn": 76,
+   "frames_shown": 76,
+   "duration_s": 20.2,
+   "stages_ms": {
+    "capture": {
+     "p50": 0.5,
+     "p95": 7.2,
+     "p99": 10.1,
+     "n": 76
+    },
+    "queue": {
+     "p50": 0.0,
+     "p95": 0.0,
+     "p99": 0.1,
+     "n": 76
+    },
+    "encode": {
+     "p50": 4.4,
+     "p95": 9.7,
+     "p99": 16.7,
+     "n": 76
+    },
+    "socket": {
+     "p50": 0.1,
+     "p95": 0.2,
+     "p99": 0.2,
+     "n": 76
+    },
+    "network": {
+     "p50": 5.2,
+     "p95": 43.2,
+     "p99": 263.5,
+     "n": 76
+    },
+    "decode": {
+     "p50": 2.1,
+     "p95": 4.8,
+     "p99": 13.4,
+     "n": 76
+    },
+    "draw": {
+     "p50": 0.7,
+     "p95": 1.0,
+     "p99": 1.1,
+     "n": 76
+    },
+    "present": {
+     "p50": 0.9,
+     "p95": 1.5,
+     "p99": 1.8,
+     "n": 76
+    },
+    "content": {
+     "p50": 12.9,
+     "p95": 54.2,
+     "p99": 264.6,
+     "n": 76
+    },
+    "content_shown": {
+     "p50": 14.1,
+     "p95": 55.3,
+     "p99": 265.9,
+     "n": 76
+    }
+   },
+   "fps": 3.8,
+   "fps_shown": 3.8,
+   "late_pct": 96.0,
+   "stall_max": 1327.9,
+   "stalls_over_100ms": 68,
+   "mbps": 0.02,
+   "keyframes": 2,
+   "size": "1280x860",
+   "captured": 125,
+   "viewer_never_drawn": 0,
+   "input_ms": {
+    "p50": 50.1,
+    "p95": 110.6,
+    "p99": 165.7,
+    "n": 65
+   },
+   "input_shown_ms": {
+    "p50": 50.8,
+    "p95": 111.5,
+    "p99": 166.2,
+    "n": 65
+   },
+   "input_parts_ms": {
+    "uplink": {
+     "p50": 7.6,
+     "p95": 18.3,
+     "p99": 23.2,
+     "n": 65
+    },
+    "mac": {
+     "p50": 30.6,
+     "p95": 72.4,
+     "p99": 119.2,
+     "n": 65
+    },
+    "back": {
+     "p50": 12.3,
+     "p95": 28.1,
+     "p99": 33.9,
+     "n": 65
+    }
+   },
+   "inputs": {
+    "sent": 66,
+    "seen": 65
+   },
+   "timeline": [
+    {
+     "t": 0,
+     "fps": 5,
+     "mbps": 0.01,
+     "content_p50": 12.3,
+     "content_p95": 28.1,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 1,
+     "fps": 4,
+     "mbps": 0.01,
+     "content_p50": 16.8,
+     "content_p95": 33.9,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 2,
+     "fps": 6,
+     "mbps": 0.01,
+     "content_p50": 9.0,
+     "content_p95": 22.2,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 3,
+     "fps": 5,
+     "mbps": 0.01,
+     "content_p50": 11.5,
+     "content_p95": 20.6,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 4,
+     "fps": 5,
+     "mbps": 0.01,
+     "content_p50": 9.2,
+     "content_p95": 13.1,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 5,
+     "fps": 5,
+     "mbps": 0.01,
+     "content_p50": 3.0,
+     "content_p95": 15.1,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 6,
+     "fps": 5,
+     "mbps": 0.14,
+     "content_p50": 14.0,
+     "content_p95": 21.1,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 7,
+     "fps": 5,
+     "mbps": 0.01,
+     "content_p50": 9.5,
+     "content_p95": 16.2,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 8,
+     "fps": 5,
+     "mbps": 0.01,
+     "content_p50": 13.8,
+     "content_p95": 16.2,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 9,
+     "fps": 5,
+     "mbps": 0.01,
+     "content_p50": 14.0,
+     "content_p95": 28.1,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 10,
+     "fps": 5,
+     "mbps": 0.01,
+     "content_p50": 12.8,
+     "content_p95": 31.7,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 11,
+     "fps": 6,
+     "mbps": 0.01,
+     "content_p50": 12.3,
+     "content_p95": 14.4,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 12,
+     "fps": 4,
+     "mbps": 0.01,
+     "content_p50": 15.2,
+     "content_p95": 17.2,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 13,
+     "fps": 1,
+     "mbps": 0.0,
+     "content_p50": 18.9,
+     "content_p95": 18.9,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 14,
+     "fps": 2,
+     "mbps": 0.0,
+     "content_p50": 203.5,
+     "content_p95": 215.0,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 15,
+     "fps": 1,
+     "mbps": 0.0,
+     "content_p50": 16.1,
+     "content_p95": 16.1,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 16,
+     "fps": 2,
+     "mbps": 0.16,
+     "content_p50": 15.5,
+     "content_p95": 35.1,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 17,
+     "fps": 1,
+     "mbps": 0.0,
+     "content_p50": 264.6,
+     "content_p95": 264.6,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 18,
+     "fps": 1,
+     "mbps": 0.0,
+     "content_p50": 12.9,
+     "content_p95": 12.9,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 19,
+     "fps": 2,
+     "mbps": 0.0,
+     "content_p50": 11.7,
+     "content_p95": 54.2,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    },
+    {
+     "t": 20,
+     "fps": 1,
+     "mbps": 0.0,
+     "content_p50": 339.6,
+     "content_p95": 339.6,
+     "bitrate": 6604800,
+     "tier": 0,
+     "w": 1280,
+     "net": null
+    }
+   ],
+   "adapt": [],
+   "content_p50": 12.9,
+   "content_p95": 54.2,
+   "input_p50": 50.1,
+   "input_p95": 110.6,
+   "grades": {
+    "content_p50": "local",
+    "content_p95": "acceptable",
+    "input_p50": "acceptable",
+    "input_p95": "acceptable"
+   },
+   "cpu": {
+    "mac_agent_pct": 1.2,
+    "frame_viewer_pct": 6.5,
+    "frame_tailscaled_pct": 1.6,
+    "frame_sshd_pct": 0.3,
+    "frame_gamescope_pct": 2.4,
+    "frame_total_pct": 8.0
+   },
+   "viewer": "h264 software; ANGLE (Mesa, zink Vulkan 1.4(Turnip Adreno (TM) 750 (MESA_TURNIP)), OpenGL 4.6); raf 141 Hz",
+   "show_s": 1.43,
+   "panel": "valve.steam.desktopgame.2001427053",
+   "src": "separate:7011"
+  }
+ ]
+}
\ No newline at end of file
diff --git a/docs/frame-control.md b/docs/frame-control.md
index b764a83..cc4fa79 100644
--- a/docs/frame-control.md
+++ b/docs/frame-control.md
@@ -72,6 +72,10 @@ counts them while they run.
   Runtime picked from the program's header), listed under **Sideloaded titles**
   with Launch and Remove; see [sideloading.md](sideloading.md). Send typed text, or your computer's clipboard, to the
   Frame clipboard.
+- **Mac in the headset** (macOS): show any Mac window, or a whole screen, as
+  its own panel in the headset. Place it with the SteamVR dashboard, click and
+  scroll with the laser, and type on the Mac. Streams hardware H.264 through
+  an SSH tunnel; see [mac-in-headset.md](mac-in-headset.md).
 - **Flatpaks**: install and remove them (quick picks: Moonlight, Firefox, VLC,
   Remmina).
 - **One-click tools**: SSH or SFTP in a terminal window, Steam Link, and remote
diff --git a/docs/how-the-frame-works.md b/docs/how-the-frame-works.md
index cdf2498..2947a8e 100644
--- a/docs/how-the-frame-works.md
+++ b/docs/how-the-frame-works.md
@@ -52,6 +52,9 @@ Lepton (Android 11, podman container "lepton-dev") ← its own panel, app 305600
 | **T3 Code desktop runs natively.** The stock release `T3-Code-0.0.42-arm64.AppImage` in `~/Applications/T3CodeDesktop/` starts with no extra setup: glibc 2.39, `libfuse.so.2`, GTK 3, NSS and libsecret are on the image. `panel-on-frame.sh --name t3code-desktop -- '~/Applications/T3CodeDesktop/T3-Code.AppImage'` gives it its own panel (`valve.steam.desktopgame.2000281357`, `--ozone-platform=x11`). Its bundled server listens on `127.0.0.1:3773` and shows up in onboarding as the `frame` computer, with `passwordStore: gnome-libsecret`. The image has no agent CLI and no `node`. Agents run through the LAN CLIProxyAPI (`llm-proxy.lan:8317`, which resolves on the Frame). Claude Code 2.1.283 comes from `claude.ai/install.sh`, and Codex 0.157.1 from the `codex-aarch64-unknown-linux-musl` release tarball, both into `~/.local/bin`. `with-cliproxy` and a mode-600 `~/.config/cliproxyapi/secrets.env` are copied from the Mac. The wrappers `claude-cliproxy` and `codex-cliproxy` (a `-c model_provider=cliproxy`, `wire_api="responses"`, `env_key="CLIPROXY_API_KEY"`) are set as `providers.claudeAgent.binaryPath` and `providers.codex.binaryPath` in `~/.t3/userdata/settings.json`, and T3 picked that up without a restart. Through the wrappers, `claude auth status` reports `loggedIn: true` (`oauth_token`), and both CLIs answered a prompt with `kimi-k3`. `gamescopectl screenshot` captured another layer (the Lepton T3 app) rather than this panel. `DISPLAY=:0 xwd -id <win>` piped to `ffmpeg` captures the window itself (1920×1080). **Verified 2026-09-26**, BUILD_ID 20260922.6101926. | Running T3 Code as a host on the Frame |
 | Power actions need `sudo`, which asks for the Developer Mode password over SSH. | Frame Control's power buttons |
 | **SSH server:** OpenSSH 9.7p1. It offers `publickey,password` (keyboard-interactive is off, PAM on) and also asks `userdbctl ssh-authorized-keys` for keys. OpenSSH ≥ 8.8 rejects SHA-1 `ssh-rsa` signatures by default, so a client whose RSA support is SHA-1 only (the Swift library Citadel, for one) can't log in with the RSA key that devkit pairing installs; use ed25519 (**inferred** from OpenSSH defaults). **Verified 2026-09-27**, BUILD_ID 20260922.6101926. | [iphone.md](iphone.md), `ui/frame_connect.py` |
+| **A Chromium app window on gamescope's `:0` with its own `STEAM_GAME` becomes a panel, even when started over SSH.** `chromium-xr/chrome --ozone-platform=x11 --app=URL --window-size=1280,720` got a 1920×1080 window, and tagging it produced `[Overlays] Created: valve.steam.desktopgame.<id>` in `~/.local/share/Steam/logs/vrwebhelper_systemui.txt`. Chromium XR decoded a 1080p H.264 WebCodecs stream from the Mac at about 60 fps. XTest events sent to `:0` (libXtst through Python ctypes) did not reach the page. The Frame has `libXtst`, `xprop`, `xwininfo`, `curl` and the `C.utf8` locale. **Verified 2026-09-28**, BUILD_ID 20260925.6191901. | [mac-in-headset.md](mac-in-headset.md) |
+| **Streaming video into a panel: what the Frame adds.** Chromium XR decodes H.264 in **software** (1920×1290 at about 9 Mbit/s took 4–6 ms per frame); its GL is ANGLE → zink → Turnip on the Adreno 750, and it logs `GetVSyncParametersIfAvailable() failed`. An idle page's `requestAnimationFrame` runs at about 140 Hz; when the headset is worn or woken, SteamVR picks the 4320×2160 @ 144 Hz mode. **An unworn headset throttles panel apps** whatever they draw: a local canvas page ran at 58 fps for about 6 s, then 28, then about 15 once in standby (vrserver logs `entering standby`, with `power.pauseCompositorOnStandby 1`). `vrcmd --handlewakeup` gave 137–144 fps for about 2 s, then 36. So a panel's frame rate and compositor delay can only be measured while it's worn. `tailscaled` runs with `--tun=userspace-networking` and cost about 8% of a core at 9 Mbit/s (0.5% over the LAN address). Wi-Fi power saving is on (`iw … get power_save`). **Verified 2026-09-28**, BUILD_ID 20260925.6191901. | [mac-in-headset.md](mac-in-headset.md#measuring) |
+| **USB-C networking.** Plugged into a Mac, the Frame is a USB network device: macOS names the port "Steam Frame" (here `en9`, 10.86.200.234/29), and the Frame's `usb0` is 10.86.200.233. Ping is about 0.9 ms, and SSH works with the usual host key (`-o HostName=10.86.200.233 -o HostKeyAlias=<tailscale name>`). Steam's Remote Play discovery also broadcasts over it. **Verified 2026-09-28**, BUILD_ID 20260925.6191901. | Frame Control's Mac stream uses it when present ([mac-in-headset.md](mac-in-headset.md)) |
 | **Tools on the image:** Python 3.12.3, `ffmpeg`, `openssl`, `curl`, `rsync`, `zip`/`unzip`, `flatpak`, `wpctl`, `podman`. **No `adb`.** `steamos` is uid 1000, in `wheel`, and sudoers has `%wheel ALL=(ALL) ALL`, so `sudo -S` takes the Developer Mode password on stdin. **Verified 2026-09-27.** | Running Frame Control's server on the Frame (`FRAME_LOCAL=1`, [iphone.md](iphone.md)) |
 | **Each Lepton instance is a podman container** named `lepton-steamlaunch-<instance id>`, labelled with its ADB port (`podman ps --format '{{.Names}} {{.Labels.adb_port}}'`). `podman exec <container> /system/bin/sh -c '…'` runs Android's shell inside it with no adb at all (used for `pidof` and `logcat` by the app tester). Running `wm size`/`wm density` that way is untested. **Verified 2026-09-27.** | `ui/frame_android.py`, the iPhone app's display settings |
 | **Asleep means off the network.** In standby the Frame stops answering on its LAN address, `frame.local` and Tailscale alike (`Host is down`, `No route to host`, timeouts), and ping fails. It was unreachable for about 2.5 hours until woken. Nothing over SSH can wake it. **Verified 2026-09-27.** | Frame Control's offline banner and retries |
@@ -59,7 +62,7 @@ Lepton (Android 11, podman container "lepton-dev") ← its own panel, app 305600
 | **Battery at full on a charger** can read `Discharging` at about 0 W (for example 99 %, 0.0 W, USB-C PD 18 W). Treat under 0.5 W on a charger as "not charging", not "draining". **Verified 2026-09-27.** | Frame Control's battery card |
 | **The OS image is downloadable.** Valve's recovery images for the Frame are at `https://steamdeck-images.steamos.cloud/recovery/`. The root filesystem inside is btrfs, and it runs as an SSH test target on ARM64 Linux without the headset (`tests/frame-container/frame-image.sh`). **Verified 2026-09-27.** | [recovery-and-images.md](recovery-and-images.md) |
 | **Boot / recovery menu.** Hold Power ~10 s until the LED goes off, then power on while holding the **AUX button on top of the Power button** (not the volume keys) until a text menu appears. Entries: `Current` (SteamOS-A/B + build), `Previous` (the other A/B slot), `Boot from USB`, `Repair Steam Installation`, `Erase User Data` (factory reset), `ADB mode`, `Battery Ship Mode`. It auto-boots `Current` after a ~15 s countdown. **Volume Up/Down (left side) move, AUX (right side) selects.** For a boot loop, Valve says pick `Previous` (keeps user data); then `Repair Steam Installation`; `Erase User Data` wipes `~` (SSH keys, Tailscale, Flatpaks, T3 setup). Last resort is a full re-image, two ways: (1) USB: write `steamframe-oobe-repair-<build>.img.bz2` to an 8 GB+ USB-C stick (Balena Etcher on the Mac), pick `Boot from USB`, then use "Wipe Device & Install SteamOS" / "Repair SteamOS" (keeps games and personal content) from the recovery desktop; (2) cable/EDL: `steamframe-oobe-repair-qdl-<build>.tar.gz`, run `flash.sh` (Linux) or `flash.cmd` (Windows), then with the Frame off for 10 s hold Power + Vol Up + Vol Down for 10 s and plug it in; it reflashes and reboots. Both images: `https://steamdeck-images.steamos.cloud/recovery/` (build 20260922.5153644, 0.3.0, 3.8 GiB each, no published checksums); local copies in `~/Downloads/steam-frame-recovery/`. File names, checksums and what's inside: [recovery-and-images.md](recovery-and-images.md). Source: Valve's [SteamOS Recovery FAQ](https://help.steampowered.com/en/faqs/view/1B71-EDF2-EB6D-2BB3) and [Installation and Repair FAQ](https://help.steampowered.com/en/faqs/view/65B4-2AA3-5F37-4227), plus a menu photo in [EloiStree/HelloSteamFrame#9](https://github.com/EloiStree/HelloSteamFrame/issues/9). **Inferred** (Valve docs, 2026-09-26); not yet tried on our Frame. | Recovering from a boot loop |
-| **Boot loop cause: the SteamVR health check.** `steamvr.service` runs `/usr/share/deckard/steamvr-health-check`, which appends `frog:glasses:` to `$XDG_RUNTIME_DIR/steamvr-short-session-tracker` on every failed or <10 s SteamVR run. At 3 it runs `steam-health-check --repair-now`, which **deletes all of `~/.local/share/Steam` (games, login, Developer Mode) and `~/.steam`**, keeping only `registry.vdf`. At 4 it also tries `steamos-bootconf set-mode reboot-other` (fails as the user: `bootenv: Permission denied`). SteamVR normally fails 1–2 times per boot while it waits for the Steam client (`SteamAPI_InitEx failed … Steam is probably not running`, then `fatal stalled cross-thread pipe`). Once Steam has been wiped, it has to re-download a ~210 MB client on every boot, so SteamVR keeps failing, Steam keeps getting wiped and the Frame reboots, in a loop. Also, the Steam updater can deadlock at `Installing update...` (main process blocked writing to the `-child-update-ui` process, which is stuck in `drm_syncobj_array_wait_timeout`). Killing only the `-child-update-ui` process lets the install finish (`package/*.installed` appears). **Fix without sudo:** over USB-C ADB (`adb -s frame shell` works as `steamos` while the Frame is looping; SSH is refused once Developer Mode is lost), truncate both `/run/user/1000/steam{,vr}-short-session-tracker` files and `chmod 444` them (the health check then logs `Permission denied` and does nothing; this is tmpfs, so it resets on reboot). Unstick the updater if needed, let Steam finish installing, then hold Power 10 s and start the Frame normally. `systemctl reboot` over ADB needs interactive auth. After the fix, sign in to Steam and turn Developer Mode back on. **Verified 2026-09-26**, BUILD_ID 20260922.6101926, slot B (clean boot: 0 SteamVR failures, SSH and Tailscale back). | Diagnosing a boot loop |
+| **Boot loop cause: the SteamVR health check.** `steamvr.service` runs `/usr/share/deckard/steamvr-health-check`, which appends `frog:glasses:` to `$XDG_RUNTIME_DIR/steamvr-short-session-tracker` on every failed or <10 s SteamVR run. At 3 it runs `steam-health-check --repair-now`, which **deletes all of `~/.local/share/Steam` (games, login, Developer Mode) and `~/.steam`**, keeping only `registry.vdf`. At 4 it also tries `steamos-bootconf set-mode reboot-other` (fails as the user: `bootenv: Permission denied`). SteamVR normally fails 1–2 times per boot while it waits for the Steam client (`SteamAPI_InitEx failed … Steam is probably not running`, then `fatal stalled cross-thread pipe`). Once Steam has been wiped, it has to re-download a ~210 MB client on every boot, so SteamVR keeps failing, Steam keeps getting wiped and the Frame reboots, in a loop. Also, the Steam updater can deadlock at `Installing update...` (main process blocked writing to the `-child-update-ui` process, which is stuck in `drm_syncobj_array_wait_timeout`). Killing only the `-child-update-ui` process lets the install finish (`package/*.installed` appears). **Fix without sudo:** over USB-C ADB (`adb -s frame shell` works as `steamos` while the Frame is looping; SSH is refused once Developer Mode is lost), truncate both `/run/user/1000/steam{,vr}-short-session-tracker` files and `chmod 444` them (the health check then logs `Permission denied` and does nothing; this is tmpfs, so it resets on reboot). Unstick the updater if needed, let Steam finish installing, then hold Power 10 s and start the Frame normally. `systemctl reboot` over ADB needs interactive auth. After the fix, sign in to Steam and turn Developer Mode back on. **Verified 2026-09-26**, BUILD_ID 20260922.6101926, slot B (clean boot: 0 SteamVR failures, SSH and Tailscale back). **Seen again 2026-09-28** on BUILD_ID 20260925.6191901, beta client 1790377368. The Frame rebooted by itself while off the network. At 21:13 the check tried `reboot-other` (`bootenv: Permission denied`) and reset the unpacked Steam install, and the tracker had 15 entries. The tracker fix above, applied over SSH, stopped the resets (the checks then log `Permission denied`), but Steam itself kept exiting about 17 s after each start (34 restarts). Cause not found yet. | Diagnosing a boot loop |
 
 ## Debug recipes
 
diff --git a/docs/mac-in-headset.md b/docs/mac-in-headset.md
new file mode 100644
index 0000000..590a831
--- /dev/null
+++ b/docs/mac-in-headset.md
@@ -0,0 +1,470 @@
+# Mac in the headset
+
+Frame Control can show any Mac window, or a whole Mac screen, as its own panel
+in the Steam Frame. You place each panel anywhere in the room with the SteamVR
+dashboard. The laser clicks and drags, the thumbstick scrolls, and you type on
+the Mac's own keyboard. Find it under **Tools → Mac in the headset** (macOS
+only).
+
+The confidence labels are the same as in [ssh.md](ssh.md).
+
+## Why this design
+
+First-party options come first, as the repo's rule asks, with the reason
+each one was or wasn't chosen. The full list for every device is in
+[streaming.md](streaming.md#first-party-options-and-why-they-do-or-dont-fit).
+Checked 2026-09-28.
+
+| Goal | First-party option | Chosen? | Why |
+|---|---|---|---|
+| One Mac screen in the headset | **Apple Screen Sharing** (VNC) → Remmina (Remmina 1.4.43 is already installed on this Frame) | Kept as the fallback (`panel-on-frame.sh mac-screen`) | It's the closest to first-party and needs nothing new. But VNC sends compressed tiles rather than video, so moving content is slow: noticeable lag even on a good 5 GHz link (**verified** 2026-09-27, see [streaming.md](streaming.md)), and the Mac's pointer isn't in the picture without a helper. It shows only whole screens |
+| One Mac screen | **Steam Remote Play**, Mac as host (Valve) | For Mac games only; see [Steam's own streaming](#steams-own-streaming) | The Mac's and the Frame's Steam clients already find each other (**verified**). But Remote Play streams a game (the whole desktop only while the game is out of focus, untested from a Mac), never single windows, and a Mac can't host the Frame's VR streaming |
+| One Mac screen | **AirPlay** (Apple) | No | Apple licenses AirPlay receivers only to TV and speaker makers, and nothing official runs on Linux. UxPlay is an unofficial receiver, and it mirrors a whole screen, not single windows |
+| One Mac screen | **Sidecar / Mac Virtual Display** (Apple) | No | These work only with an iPad or Apple Vision Pro |
+| **Each Mac window as its own panel** | None | – | No first-party way does this: Apple's per-app streaming is only for Vision Pro, and Valve's desktop streaming needs a Windows SteamVR host. So Frame Control does it itself |
+| Mac keyboard and trackpad driving the headset | **Bluetooth HID** | No | macOS can't act as a Bluetooth keyboard or mouse. A real Bluetooth keyboard paired with the Frame still works |
+| Mac keyboard and trackpad | **KDE Connect** (KDE) | No | The Frame has no `kdeconnectd` and it isn't on Flathub. Its Mac app has no keyboard or mouse sharing (**inferred**), and on Wayland it can only reach the desktop panel |
+| Mac keyboard and trackpad | **xrdp** (Valve, Developer Mode) | No | It runs a separate Linux session that you view on the Mac. It isn't the headset's view, and it doesn't carry input the other way |
+
+What that leaves is our own stream: nothing to install on the Mac or the
+Frame, and whole screens or single windows. Here the Mac's own keyboard and
+trackpad need no forwarding, because the windows are still on the Mac. The
+laser is the only input that has to be sent back.
+
+Other routes that were compared:
+
+| Option | One screen | Each window | Speed | Verdict |
+|---|---|---|---|---|
+| Sunshine → Moonlight | ✓ | – | Good | Sunshine's macOS support is still experimental ([discussion #777](https://github.com/orgs/LizardByte/discussions/777)), and it captures whole screens only |
+| Virtual Desktop, Immersed | – | – | – | No Frame client as of September 2026 |
+| **Frame Control's own stream** | ✓ | ✓ | Hardware H.264, sending only changed frames | **Built** |
+
+To type into VR surfaces other than these panels (SteamVR's dashboard,
+games), the Frame supports a uinput keyboard and mouse without sudo
+(verified 2026-09-27: `steamos` is in `input`, and `/dev/uinput` is
+`root:input 660`). That's a separate feature, not part of this one.
+
+## Steam's own streaming
+
+The Frame is built around Steam streaming, so this was checked first
+(2026-09-28). It fits Mac games, not Mac windows.
+
+- **VR streaming from the Mac: no.** The Frame streams VR from a PC running
+  SteamVR ("Steam Link" with foveated streaming). SteamVR dropped macOS in
+  2020, and Valve lists PCs, laptops, Steam Deck and Steam Machine as
+  hosts, never a Mac (**documented**:
+  [UploadVR](https://www.uploadvr.com/steamvr-drops-mac-support/),
+  [Road to VR](https://roadtovr.com/steam-frame-game-certification-specs/)).
+- **Flat Remote Play from the Mac: probably, for Steam games.**
+  - Steam on this Mac has streaming on, and the two Steam clients already
+    see each other. The Frame's `remote_connections.txt` shows it
+    connecting directly to "Alexs-MacBook-Pro-7" at 192.168.1.211:27036,
+    and the Mac's shows the Frame connecting over Wi-Fi and over the USB-C
+    link (**verified** in both clients' logs).
+  - Whether a stream then starts, and how a flat game looks in the headset
+    (reviews describe a theater screen), is **not tested yet**. The Frame's
+    Steam was crash-looping during this session (below).
+  - Mac-hosted Remote Play has a long-standing report of the stream
+    closing as the game loads
+    ([Steam forum](https://steamcommunity.com/groups/homestream/discussions/1/574921459914429988/),
+    **reported**).
+- **The Mac desktop through Steam: untested; single windows: no.** Valve
+  says Remote Play shows the host's desktop when the game loses focus
+  ([Steam Remote Play FAQ](https://help.steampowered.com/en/faqs/view/0689-74B8-92AC-10F2),
+  **documented**), so a whole Mac screen may be reachable by starting a
+  game, then switching away from it. Nobody has tried that from a Mac
+  host. It would still be one screen in one panel: Remote Play has
+  nothing like one panel per Mac window, so Frame Control's own stream
+  stays the way to see separate windows.
+- **Steam has a "stream desktop" call, and it pairs with a Mac
+  (verified 2026-09-28).** In the Remote Play device list, the Frame's
+  Steam UI calls `SteamClient.RemotePlay.StartDesktopStream(<client id>)`
+  for a connected device. Called over CDP with the Mac's client ID, it made
+  the Mac's Steam show "Authorize Device" and ask for a 4-digit code shown
+  on the Frame. Once the code was entered, the Mac logged
+  `k_ERemoteDeviceAuthorizationSuccess`. No stream started in that attempt,
+  and a second attempt, now that the device is authorized, is the next
+  test. If it streams the Mac's desktop, that's a whole-screen option built
+  into Steam: one panel, Valve's encoder and transport. It still wouldn't
+  give each window its own panel.
+- **What Steam's work did give us: the USB-C link.** Plugged into the Mac,
+  the Frame appears as a network port called "Steam Frame". Steam's Remote
+  Play discovery uses it, and so does Frame Control's stream now (see
+  "USB-C, when it's plugged in" below).
+
+Next steps, once Steam on the Frame is healthy:
+
+1. Call `StartDesktopStream` again now that the Frame is authorized, and
+   compare its latency and sharpness with Frame Control's stream of the same
+   screen.
+2. Stream the one Mac game installed here (Fortune Mill) from the Frame's
+   library, over Wi-Fi and over USB-C.
+3. Record whether it starts, how it's shown, and its latency. Steam's
+   streaming overlay shows this; our benchmark can't measure it.
+4. While streaming, switch away from the game on the Mac, and see whether
+   the Mac's desktop appears in the headset, and whether its keyboard and
+   pointer work.
+5. If it works, Frame Control's Games page could offer "Stream from the
+   Mac" for Mac-installed games.
+
+## How it works
+
+```
+Mac                                              Frame
+ScreenCaptureKit (one window or display)
+  → VideoToolbox H.264 (hardware, low-latency,
+    no B-frames)
+  → frame-mac-view, 127.0.0.1 ──ssh -R──→ 127.0.0.1:479xx
+                                             → Chromium app window per stream
+                                               (WebCodecs decode), on gamescope's
+                                               X display, tagged STEAM_GAME
+                                             → its own SteamVR panel
+  ← CGEvent (clicks, drags, wheel, keys) ←──── pointer, wheel and key events
+```
+
+- **The agent** is `mac/bin/frame-mac-view`, built from `mac/frame-mac-view`
+  (Swift, no dependencies; `build.sh`). Frame Control's server starts it on
+  first use and stops it on quit.
+  - It captures with ScreenCaptureKit, which sends frames only when something
+    changes, so idle windows cost nothing.
+  - It encodes in hardware with VideoToolbox's low-latency rate control (plain
+    real-time mode where that's unavailable).
+  - While anyone is watching, it keeps the Mac's display awake. A sleeping
+    display isn't drawn, so there would be nothing to capture.
+- **The link** is an `ssh -R` tunnel on its own connection. It's encrypted and
+  works anywhere `ssh frame` works, Tailscale included, with no firewall
+  changes on the Mac. If the headset sleeps or the network drops, Frame
+  Control reopens the tunnel on the same port, and open viewers reconnect by
+  themselves.
+- **USB-C, when it's plugged in.** Connected to the Mac by cable, the Frame
+  is also a USB network device: macOS lists a network port called "Steam
+  Frame", and the Frame's `usb0` answers in under 1 ms. Frame Control
+  checks for it each time it opens the tunnel and uses it when it's there,
+  with the Frame's usual SSH host key. Otherwise it uses the normal path.
+  `FRAME_MACVIEW_USB=0` turns this off. **Verified** 2026-09-28, in two
+  interleaved pairs of runs:
+
+  | | USB-C | Wi-Fi (Tailscale) |
+  |---|---|---|
+  | test: content p50 / p95 | 6.9–7.3 / 8.4–8.8 ms | 9.8–10.1 / 12.1–12.3 ms |
+  | test: click to drawn p50 | 16.6–16.9 ms | 26.4–27.8 ms |
+  | scroll: content p95 | 23.0–23.5 ms | 31.4–36.9 ms |
+  | scroll: late frames | 3.2–3.3% | 4.7–7.0% |
+
+  (`bench/results/2026-09-28-*-usb1.json`, `-usb2`, `-wifi1`, `-wifi2`.)
+- **Access.**
+  - Frame Control's own key never leaves the Mac.
+  - Each viewer is opened with a **single-use ticket**. It's tied to one
+    window or display and expires after a minute. It's spent as soon as the
+    viewer confirms it has received its reconnect key. Until then, a retry
+    gets the same key, so a connection lost at that moment doesn't strand
+    the viewer. Stop revokes tickets that haven't been used yet.
+  - After that, the viewer holds a reconnect key for that one source, in
+    memory only. **Stop** revokes it.
+  - Remaining risk: a program running as `steamos` on the Frame could read a
+    ticket from Chromium's command line in the first second or so and use it
+    first. That gets it the one source being opened, not the Mac, and the
+    real viewer would then fail to connect. Android apps in Lepton run in
+    their own podman container, so they shouldn't see the Frame's process
+    list (inferred, not checked).
+- **The viewer** is `ui/mac-view.html`, served by the agent. It opens on the
+  Frame as a Chromium app window, preferring Chromium XR (`~/chromium-xr`,
+  built with H.264) over Flathub Chromium.
+  - The page puts `[fcNNNNN]` in its title. The launcher finds the window by
+    that tag and sets `STEAM_GAME` to a stable id per source, which gives it
+    its own panel (see [panels.md](panels.md)). The same Mac window gets the
+    same panel id each time.
+  - It decodes with WebCodecs. If it falls behind, it skips to the next
+    keyframe instead of showing old frames late.
+  - It falls back to JPEG stills (**Compatible** quality) where H.264 isn't
+    available.
+- **Flow control.** The agent never lets frames queue up anywhere on the
+  way. It skips capture frames *before* encoding, so no reference frame goes
+  missing, and it lowers the bitrate, then the frame rate, then the size, to
+  fit the link (see [Adapting to the network](#adapting-to-the-network)).
+- **Input.**
+  - A click on a window's panel brings that Mac window to the front
+    (Accessibility API), then clicks at the same point. Double clicks, right
+    clicks, drags and the wheel work too.
+  - Keys typed into the panel are sent as Mac key codes. Any keys or buttons
+    still held down are released if the viewer loses focus or disconnects, or
+    when the stream stops. Characters the key
+    table doesn't know, such as those from other keyboard layouts, are typed
+    as text.
+  - The Mac's own keyboard and trackpad keep working as normal. Click a panel
+    with the laser, then type on the Mac.
+
+## Permissions (Mac)
+
+- **Screen Recording**, to see windows. Without it, the card asks for it.
+- **Accessibility**, so input from the headset reaches the Mac. Without it the
+  stream still works, and the viewer says clicks won't go through.
+
+Both are granted to Frame Control. After granting, press **Refresh**, which
+restarts the helper so it picks them up. The app is ad-hoc signed, so macOS
+may ask again after an update.
+
+## Quality settings
+
+| Setting | Long side | fps | Codec | Use |
+|---|---|---|---|---|
+| Sharp | 2560 | 60 | H.264, ~0.14 bits/pixel | Text-heavy windows on a strong link |
+| Balanced (default) | 1920 | 60 | H.264, ~0.1 bits/pixel | Most things |
+| Light | 1280 | 30 | H.264 | Weak Wi-Fi or Tailscale off the LAN |
+| Compatible | 1280 | 20 | JPEG | A Frame browser without H.264 |
+
+## Measuring
+
+Every frame carries a sequence number, and the agent records its journey on
+the Mac's clock (`Sources/Stats.swift`):
+
+| Stage | From → to |
+|---|---|
+| capture | the Mac composited it (ScreenCaptureKit's display time) → the agent got it |
+| queue, encode | → encoding started → the encoder finished |
+| network | → the viewer received it |
+| decode, draw | → WebCodecs decoded it → it was drawn on the page's canvas |
+| present | → the page's next animation frame |
+
+- **Clock sync.** The viewer syncs its clock to the Mac's the way NTP does:
+  it pings over the stream's own WebSocket and keeps the sample with the
+  shortest round trip. It then reports, in Mac time, when each frame arrived
+  (right away, so the agent can pace itself) and when it was decoded and
+  drawn (in batches every 250 ms).
+- **Input.** The first frame captured after a click or key carries that
+  event's id. So input latency is the viewer's event → injected on the Mac →
+  the first frame after it → drawn in the headset.
+- **Where to see it.**
+  - `GET /stats` (key required) returns every frame and input record.
+  - `/status` includes a two-second summary, which Frame Control's card
+    shows next to each live stream.
+  - In the headset, add `?stats=1` to the viewer or press
+    Ctrl+Alt+Shift+S for an overlay.
+- **The benchmark.** `scripts/macview-bench.py` runs fixed scenarios on the
+  real Frame, from the Mac, with nobody wearing the headset:
+  - **test** is the moving test pattern.
+  - **scroll** is a Chrome page on its own display scrolling at 240 pt/s,
+    which gives about 9 Mbit/s of real 1920×1290 video.
+  - **type** types into a Chrome text box, first fast and then with pauses.
+
+  It writes `bench/results/<date>-<commit>-<label>.json`, compares two
+  results, and runs interleaved A/B tests between agent settings (`ab`).
+  Wi-Fi changes from minute to minute, so single runs at different times
+  aren't comparable. Throttled links come from a shaping relay on the Mac,
+  which needs no sudo (`--net 50@0,3@8,50@16` means 50 Mbit/s, then 3 from
+  8 s, then 50 from 16 s).
+- **What's graded.** "Content" runs from when the Mac composited a frame
+  (or when ScreenCaptureKit delivered it, if that was earlier) to when it was
+  drawn in the viewer. The Frame's compositor adds its own delay after that.
+  That part is reported, but not graded: an unworn Frame throttles panels to
+  about 36 fps after a few seconds, and to 15 fps in standby, whatever they
+  draw. This was **verified** with a local canvas page that ran on the Frame
+  with no network involved (`bench/pages/present.html`). The compositor's
+  share needs a run with the headset worn.
+
+Targets: content p50 ≤ 25 ms (p95 ≤ 40), click to photon p50 ≤ 50 ms
+(p95 ≤ 70), 60 fps with ≤ 1% late frames, no stall over 100 ms, and adapting
+to a new link rate within 1 s.
+
+Baseline on 2026-09-28 (**verified**, home Wi-Fi, Tailscale, Balanced,
+`bench/results/2026-09-28-a3c6e5c-dirty-baseline-fixed.json`; ms p50/p95):
+
+| Scenario | Content | Input to drawn | fps drawn | Notes |
+|---|---|---|---|---|
+| test (1280×720) | 9.9 | 28.8 / 39.0 | 59 | encode 4.0, network 4.0, decode 1.3 |
+| scroll (1920×1290) | 14.7 | – | 50.4 | encode 6.7, decode 6.4 (software), 9.4 Mbit/s, 16% late |
+| type (1920×1290) | 16.7 | 51.2 / 73.2 | – | most of the input time is the Mac app reacting |
+
+After this work, with the controller on (**verified**, same setup,
+`bench/results/2026-09-28-9e4dcdd-final.json`; ms p50/p95). Content is
+now measured from the earlier of display time and delivery, which adds
+about 5 ms to scroll compared with the baseline's way of measuring:
+
+| Scenario | Content | Input to drawn | fps drawn | Grades |
+|---|---|---|---|---|
+| test | 10.5 / 16.7 | 29.6 / 36.3 | 60 | all within target |
+| scroll | 19.8 / 27.4 | – | 55.9 | fps, late frames (4.8%) and worst gap (222 ms) only "acceptable": Wi-Fi stalls (the Mac captured 57 fps in this run; earlier runs got 46–53 from virtual displays) |
+| type | 15.0 / 21.4 | 43.0 / 60.5 | – | all within target |
+
+Of the targets, click to photon is met without the Frame's compositor (the
+headset has to be worn to measure its share), and so is content latency.
+The frame-rate and no-stall targets aren't yet met while scrolling.
+
+**Worn** (**verified** 2026-09-28 22:00, `vrcmd --stats` activity level 1,
+home Wi-Fi over Tailscale, `bench/results/2026-09-28-39afb23-worn.json`;
+ms p50/p95):
+
+| Scenario | Content | Input to drawn | fps drawn | What happened |
+|---|---|---|---|---|
+| test | 10.8 / 15.3 | 25.7 / 34.4 | 58 | as unworn |
+| scroll | 22.2 / 141 | – | 37.7 | Wi-Fi queued 56–364 ms and held frames for 220–270 ms; the controller went to 2.6 Mbit/s and 45 fps |
+| type | 13.5 / 24.3 | 56.8 / 106 | – | slower replies than unworn (43 / 60) |
+
+The Frame's CPU wasn't the limit: about 27% in total, and the viewer took
+45% of one core. The link to a headset on someone's head is much rougher
+than to one lying still. The adaptation keeps latency bounded there, but
+the frame rate drops. The USB-C cable avoids Wi-Fi entirely. Frames
+actually shown were still about 39 fps for the test pattern while worn, so
+the unworn throttling isn't the whole story. The cause is **unknown**.
+
+What was learned (all **verified**, unless marked):
+
+- The biggest costs are encoding (4–7 ms), network (4–6 ms), and decoding
+  on the Frame. Chromium XR on the Frame decodes H.264 in **software**.
+- Wi-Fi alone stalls for 240–580 ms now and then, over Tailscale and over
+  the LAN alike. Over the LAN (`--host 192.168.1.237`) latency was no
+  better, but the Frame used about 8% less CPU, because tailscaled runs in
+  userspace there.
+- With no controller, a link that slows down queues without limit. In one
+  run, frames arrived 1.9 s late, and at worst 9.4 s late.
+- Tried, and no help, so not kept: VideoToolbox options (require hardware,
+  no frame delay, prioritise speed, a hard data-rate cap), Chromium flags
+  (`--disable-gpu-vsync`, `--disable-frame-rate-limit`,
+  `--use-angle=vulkan`), and a 120 Hz virtual display.
+- Inconclusive, so off by default: keeping the Frame's Wi-Fi awake during
+  typing (`FRAME_MAC_VIEW_WARM=40`, a tiny message every 40 ms for 5 s
+  after input). Over three interleaved runs each, input p50 went 44 → 47 ms
+  and p95 92 → 71 ms, and the ranges overlapped widely
+  (`…-ab-keepwarm.json`). In that run, and in the baseline's typing, the
+  harness typed spaces as "+" (a URL-encoding bug, since fixed), so they
+  went through the text path rather than as space keys.
+- Pointer moves now go out on an 8 ms timer, not on the page's next
+  animation frame, which an unworn Frame slows to 15–36 Hz. This is
+  **inferred** to help dragging; the benchmark has no drag scenario yet.
+- Kept: the encoder's timestamps never jump more than two frame intervals.
+  Before this, the first frame after a pause got a quarter of a second's
+  bit budget, and one P-frame reached 204 KB.
+
+## Adapting to the network
+
+`Sources/Controller.swift`, per stream, latency first:
+
+- **The gate.** The viewer acknowledges every frame as it arrives. A new
+  frame is sent only while the oldest unacknowledged one is younger than
+  the path's usual round trip, plus one frame interval, plus room for this
+  link's normal jitter (1.5 times its recent spread, 25–80 ms). So frames
+  never queue in SSH, TCP or the Wi-Fi driver. While the link is stuck, the
+  newest picture waits and goes out as soon as it moves.
+- **The bitrate.** The link counts as congested when, for two checks in a
+  row (100 ms apart), round trips grow by more than 40 ms while the stream
+  uses much of its budget, or the gate holds frames back, or a frame is
+  stuck for 100 ms. Then the bitrate drops to a bit under what actually got
+  through: at least a fifth off, and at most half. Once the link has been
+  clear for a second, it rises by 10% steps, never above the quality
+  setting's bitrate.
+- **The tier.** When the bitrate stays low, and the stream is really
+  limited by the link rather than having little to send, it steps down:
+  60 → 45 → 30 fps, then 75%, then 50% of the pixels. It goes straight to
+  the tier the bitrate supports after half a second, and steps back up one
+  tier at a time after two seconds with room to spare.
+- `FRAME_MAC_VIEW_ADAPT=0` turns it off, for comparison.
+
+Measured on the real Frame, 2026-09-28 (**verified**; interleaved A/B, off
+versus on, medians of the runs, ms):
+
+| Link | Scenario | Content p95, off → on | fps drawn, off → on | Result file |
+|---|---|---|---|---|
+| Clean Wi-Fi (3 runs each) | scroll | 32.3 → 33.6 | 57 → 56.2 | `…-ab-adapt-clean2.json` |
+| Clean Wi-Fi | test | 15 → 14.2 | 60 → 59.7 | same |
+| 50 → 3 → 50 Mbit/s at 8 s and 16 s (2 runs each) | scroll | **4670 → 72** | 45 → 42 | `…-ab-adapt-step3.json` |
+| 50 → 3 → 50 Mbit/s | test | 66 → 16 | 60 → 60 | same |
+
+- **Clean link.** On a clean link it costs nothing measurable. An earlier
+  version with a fixed gate slack lost 9 fps to Wi-Fi jitter while
+  scrolling (47 → 38 fps), and that's why the slack now follows the link's
+  jitter.
+- **Throttled link.** Without the controller, frames queued for up to 5.6 s
+  and never caught up while the link was slow (p95 1.8–5.6 s, second by
+  second). With it, in the two runs:
+
+  | | Run 1 | Run 2 |
+  |---|---|---|
+  | Worst second's p95 just after the drop | 219 ms | 428 ms |
+  | p95 back under 100 ms for 3 s in a row | after 1 s | after 4 s |
+  | Stepped down to 1440 px at 30 fps | 1.8 s after the drop | 3.5 s after |
+  | p95 per second after that, on the 3 Mbit/s link | 55–94 ms | 60–148 ms |
+
+  Sending one frame takes about 27 ms on that link by itself. After the
+  link recovered, the stream was back at full size and 60 fps in about
+  7.5 s. It steps up one tier every two seconds, on purpose, so it doesn't
+  bounce. The 1 s adaptation target was met in one run of two.
+- **A hiccup on a small stream.** In one clean run, a Wi-Fi hiccup made an
+  earlier version halve the test pattern's bitrate five times and drop it
+  to half size. That cut couldn't help: the stream only sends
+  0.47 Mbit/s. Now the controller estimates what a stream wants (captures
+  per second × average frame size). While a stream wants about half its
+  budget or less, no cut takes it below twice what it wants, so it doesn't change
+  tier.
+
+## Checked so far (2026-09-28)
+
+- **Mac (checked by hand, macOS 26.5.2).**
+  - The agent builds, and lists windows and displays.
+  - In a browser, the test pattern decoded at about 60 fps (H.264) and 30 fps
+    (JPEG, about 22 Mbps).
+  - A click in the viewer arrived at the same point in the source.
+  - `pmset -g assertions` showed the display-awake assertion only while a
+    stream was being watched.
+- **Automated** (`tests/test_macview.py`, on CI's macOS runner): the agent
+  builds (a build failure fails the job).
+  - `/ping` and the page are open; everything else needs the key.
+  - Tickets work once and only for their own source, and Stop revokes
+    reconnect keys.
+  - A WebSocket frame claiming 2^63 bytes closes that socket, and the agent
+    keeps running.
+  - A stream sends an SPS-led H.264 keyframe, and sends another when asked.
+  - Stop ends the stream on the Mac even if the viewer ignores it.
+  - The test doesn't decode video, time it, or check where clicks land.
+- **Linux aarch64 (verified in a stand-in, not on the Frame).** In an Arch
+  Linux ARM container with sshd, Xvfb as `:0` and Chromium 153:
+  - The real `show` path worked in 1–2.3 s: tunnel, ticket, launcher,
+    window found and tagged `STEAM_GAME`.
+  - Frame Control's key didn't appear anywhere in the stand-in's process
+    list.
+  - After the tunnel was killed, it came back on the same port within 4 s,
+    and the viewer reconnected by itself.
+  - Chromium decoded the stream in software with the GPU off.
+  - Stop closed the window, and Chromium exited.
+  - This test found and fixed a bug: in a C locale, `xwininfo` can't print a
+    title with non-ASCII characters, so the launcher reads `_NET_WM_NAME`
+    with `xprop`.
+- **On the Frame (verified 2026-09-28, SteamOS build 20260925.6191901,
+  from the Mac, nobody wearing the headset).** Frame Control's **Show** with
+  the test pattern:
+  - The panel was ready in 1.45 s. SteamVR logged `[Overlays] Created:
+    valve.steam.desktopgame.2001639889` (in `vrwebhelper_systemui.txt`).
+  - The window was tagged `STEAM_GAME`, and gamescope sized it to 1920×1080
+    although 1280×720 was asked for.
+  - Chromium XR decoded it live at about 60 fps: the frame counter advanced
+    62 in 1.04 s.
+  - Over home Wi-Fi, the frames in the viewer window had been drawn on the
+    Mac about 11–17 ms earlier, plus `xwd`'s own time. That's measured
+    against the two clocks, which were 37–39 ms apart (±4 ms, measured over
+    one SSH session). SteamVR's compositor and the display come on top.
+  - Clicks and keys injected with XTest into gamescope's Xwayland didn't
+    reach the page. That's inconclusive, not a failure: XTest on gamescope
+    isn't how real input arrives. The laser should arrive as a left mouse
+    button and the thumbstick as a wheel, because the window has an app id
+    (from gamescope's source; see [panels.md](panels.md)).
+- **Not yet checked:**
+  - Clicking, dragging and scrolling with the laser while wearing the
+    headset.
+  - Real window capture and input on a Mac with both permissions granted.
+  - Keys from SteamVR's on-screen keyboard.
+  - Whether Flathub Chromium has H.264. Chromium XR is used when it's
+    installed, as it is on this Frame.
+  - Latency with real, busy windows at Sharp.
+  - A benchmark run while wearing the headset. Only then does the Frame show
+    panels at full rate, so only then can the compositor's share of the
+    latency, and the frame rate you actually see, be measured.
+
+## Limits
+
+- Only windows on the Mac's current desktop (Space) are listed, and
+  minimised windows can't be captured.
+- A window's panel shows only that window. Its menus and sheets are separate
+  windows on the Mac, so open them from the Mac or use **Whole screen**.
+- Keys go to whichever Mac window is in front. Clicking a panel brings its
+  window to the front first.
+- Ctrl stays Ctrl. On the Mac, copy is ⌘C, so use Meta+C on a keyboard paired
+  with the Frame.
diff --git a/docs/mac-window-separation.md b/docs/mac-window-separation.md
new file mode 100644
index 0000000..4c0d169
--- /dev/null
+++ b/docs/mac-window-separation.md
@@ -0,0 +1,200 @@
+# Real separation of Mac windows in the headset
+
+Research and experiments on 2026-09-28 (macOS 26.5.2, Apple M5 Pro), for
+making each streamed Mac window truly independent. Builds on
+[mac-in-headset.md](mac-in-headset.md). Labels: **verified** (tried here),
+**documented**, **source** (read in someone's code) or **reported**.
+
+## What "separate" lacks today
+
+Today each window is captured on its own
+(`SCContentFilter(desktopIndependentWindow:)`), but it still lives on the
+Mac's one desktop:
+
+- **Clicks.** A click has to raise the window first, so it reorders the
+  Mac's windows, steals focus and moves the real cursor.
+- **Child windows.** A window's menus, popovers, sheets and tooltips are
+  separate windows, so they aren't in its panel. Apple documents that the
+  single-window filter leaves them out.
+- **Size.** A panel's size is tied to the window's size on the Mac screen.
+- **Hidden windows.** Minimised windows, and windows on other Spaces, can't
+  be shown live.
+
+## How the Mac draws, and where pixels can be read
+
+Apps draw with Core Animation into IOSurfaces. WindowServer's compositor
+stacks every window onto each display, including virtual ones, and sends
+the result to the screen. Pixels can be read at three points:
+
+| Where | How | Gets | Doesn't get |
+|---|---|---|---|
+| One window's content | ScreenCaptureKit `desktopIndependentWindow` (public, what we use) | Live, zero-copy, even when covered by other windows (**documented**) | Menus, popovers, sheets. It pauses while the window is minimised (**reported**) |
+| One window plus its children | `SCStreamConfiguration.includeChildWindows` (macOS 14.2+, **reported**) | Menus, popovers and sheets attached to the window | Anything the app puts outside the window's bounds |
+| A whole display | ScreenCaptureKit display filter, with apps or windows included or excluded | Everything on that display, cursor included | Only what's on that display |
+| A snapshot of any window | Private `CGSHWCaptureWindowList`, which AltTab uses for minimised windows and other Spaces (**source**: `alt-tab-macos` `PrivateApis.swift`) | Minimised windows and other Spaces | It's one still image, not a live stream |
+| Another app's layer tree | Private `CALayerHost` with a context id | A live, zero-copy picture | It only works when the other app cooperates, so it's no good for arbitrary windows (**reported**) |
+
+`CGWindowListCreateImage` and `CGDisplayStream` are obsolete in the macOS 15
+SDK (**reported** by MacPorts and JUCE). Nothing reads another app's pixels
+without the Screen Recording permission.
+
+## The idea: each window gets its own virtual display
+
+A virtual display (the private `CGVirtualDisplay`, as used by BetterDisplay,
+DeskPad and quest-display) is a compositor target with no physical screen.
+Put one streamed window alone on its own virtual display, sized to its
+panel, and capture the whole display:
+
+- **Nothing can overlap it.** A plain click at that point always lands on
+  that window, so input doesn't need raising or background-event tricks.
+- **Menus, sheets, popovers, tooltips and context menus appear on the same
+  display, so they're in the panel.** With "Displays have separate Spaces"
+  on (it is on this Mac), each display also has its own menu bar, so the
+  app's menu bar can be part of the panel.
+- **The panel's size is the display's size,** in HiDPI. Resizing the panel
+  means changing the display mode and resizing the window to fill it
+  (Accessibility API).
+- **Minimised windows and other Spaces stop being a problem,** because
+  streamed windows live on their own displays.
+- **The cursor goes where the laser points.** That display's panel is the
+  one being used, much as Vision Pro's Mac Virtual Display works. Keys from
+  the Mac's keyboard go to the window last clicked.
+
+### Verified here (no permission needed)
+
+- **Creating one.** It needs no permission or entitlement. 1920×1080 HiDPI
+  gives a 3840×2160-pixel, 60 Hz display, placed next to the built-in
+  screen, and `NSScreen.screensHaveSeparateSpaces` was true.
+- **Many at once.** 16 were created at once with no error.
+- **Placement.** `CGConfigureDisplayOrigin` far away failed with error
+  1014: macOS keeps displays edge to edge. Disabling one with the private
+  `CGSConfigureDisplayEnabled` from a command-line tool also failed with 1014.
+- **Removal is deferred while the physical screen sleeps.** With the
+  built-in display asleep, virtual displays were not removed when released,
+  or when their process exited, even from their own `.app`. A second display
+  with the same vendor, product and serial couldn't be created. All of them
+  disappeared as soon as the screen woke (`caffeinate -u`). The helper must
+  therefore:
+  - keep a fixed pool of displays and reuse them rather than create new ones;
+  - keep the screen awake while they exist, which it already does while
+    streaming.
+
+### Built: "Give each window its own display"
+
+Frame Control's helper now does this (`mac/frame-mac-view/Sources/Separate.swift`),
+and it's the default in the Tools card. Streams of this kind are named
+`separate:<window id>`.
+
+- For each window shown, it creates a HiDPI virtual display. The display is
+  sized to the window plus a menu bar, with a fresh serial each time, so a
+  display left over while the screen slept can't block a new one.
+- The window is moved onto the display and resized to fill it (Accessibility
+  API), and the whole display is captured.
+- On **Stop** the window goes back where it was, and the display is released.
+- Plain per-window capture is still there: untick "Give each window its own
+  display". Separate mode needs Accessibility (to move the window), and
+  without it, Show says so rather than quietly falling back.
+
+Verified 2026-09-28 (macOS 26.5.2, M5 Pro), using a TextEdit test document
+and the benchmark's Chrome windows:
+
+- **Separation works.** The window moved onto its own display and streamed,
+  with its first frames in 3.8 s. The display showed TextEdit's own menu bar.
+- **Child windows come along.** A context menu and the Page Setup sheet
+  opened on the same display and were in the capture.
+- **Input.** Typing through the stream reached the window. The benchmark's
+  typing scenario does this on every run.
+- **Stop.** Stop put the window back at exactly its old size (656×422), and
+  the display was removed.
+- **The helper must run a real Cocoa event loop.** Earlier, it ran only a
+  `RunLoop`. With that, AppKit never learned about new displays:
+  - `NSScreen.screens` never listed them, so placing the window always waited
+    3 s and then gave up;
+  - the display's HiDPI mode never applied, so windows were captured at 1×
+    (1280×860 instead of 1920×1290 pixels) and text was soft.
+
+  Running `NSApplication` (with no Dock icon) fixed both. The screen now
+  appears within 100 ms, and captures are at 2× (**verified** in
+  `bench/results/*-baseline.json` against `*-baseline-fixed.json`).
+- **Frame rate.** Chrome drew at 60–61 fps on the virtual display, but
+  ScreenCaptureKit delivered only about 46–53 fps from it, whereas the
+  built-in ProMotion screen gave 121 fps (**verified**). Neither a 120 Hz
+  virtual display (`FRAME_MAC_VIEW_VD_HZ=120`) nor a looser
+  `minimumFrameInterval` changed that. Cause unknown.
+- **Windows that keep their own size** (Calculator, 230×408). The window
+  moved and streamed, but stayed small in the display's corner, so the panel
+  was mostly wallpaper. Now only that corner is captured
+  (`SCStreamConfiguration.sourceRect`): the menu bar and the window, at least
+  480×360 points so menus fit. Clicks map to the cropped area. The first
+  frame arrived in 0.6–1.1 s, and on Stop the window went back and the
+  display was removed. A display's menu bar names the active app, so it
+  shows the window's own menus only once the panel has been clicked.
+- **Several windows at once** (on the Mac, with a local stand-in viewer that
+  acknowledges frames). Three and four Chrome windows, each scrolling on its
+  own display at 1920×1290 pixels, streamed at 53–56 fps and about
+  9 Mbit/s each. The helper used 20% (three) or 24% (four) of one CPU core.
+  The hardware encoder is shared: its time per frame went from 6.7 ms for
+  one stream to 7–15 ms for three and 11–25 ms for four, so each extra
+  moving window adds latency to the others. Once in four runs, before a fix,
+  one window left its display when several displays appeared at the same
+  moment, and its stream stopped: nothing on that display was changing any
+  more. The helper now checks every second and puts the window back. Three
+  further runs with four windows were clean, and every display was gone
+  afterwards (checked with `CGGetOnlineDisplayList`).
+- **Quitting.** On SIGTERM, or when Frame Control goes away, the helper ends
+  every stream first, so windows go back before their displays disappear.
+  Verified: a 900×600 window was back at 900×600 after SIGTERM. Closing a
+  viewer 0.05–1.5 s into startup left the window at its old size and no
+  extra display.
+- **A consent prompt.** macOS 26 asks whether to let ScreenCaptureKit apps
+  "bypass the system private window picker". The prompt appeared *on the
+  virtual display*, so it would show up inside the headset panel. Allow it
+  once on the Mac.
+
+### Still to check
+
+1. That a context menu opens over the text being clicked, not just somewhere
+   on the display. This needs a retest after the consent prompt above is
+   allowed.
+2. Stage Manager, which is reported to undo Accessibility resizes.
+3. Where the Dock and the cursor go on a virtual display.
+4. Closing the lid with virtual displays attached (clamshell).
+5. Many moving windows at once in the headset: whether to lower the bitrate
+   or frame rate of panels you aren't using, so the one you are using keeps
+   the encoder to itself.
+6. All of it in the headset, with the laser.
+
+## Input without disturbing the Mac (a finer option)
+
+For windows that stay on the Mac's own screen, input can go to a window
+behind others without raising it:
+
+- **Background click.** `CGEventPostToPid` with the CGEvent fields 91 and
+  92, which say which window a click is for (`kCGMouseEventWindowUnderMousePointer`
+  and `...ThatCanHandleThisEvent`), plus a window-relative location
+  (**reported**, reverse-engineered, needs testing).
+- **Focus without raise.** yabai makes a window key without raising it by
+  posting event records with the private `SLPSPostEventRecordTo` (**source**:
+  `yabai/src/window_manager.c`).
+- **Known failures.**
+  - Chromium and Electron ignore background clicks unless they're built
+    with the 2026 `acceptsFirstMouse` fix (electron/electron#54493).
+  - Games and canvas apps often need real activation.
+  - Password fields (Secure Event Input) drop synthetic keys.
+  - IME composition, as for Chinese or Japanese input, isn't reliable.
+
+With a virtual display per window, most of this isn't needed. It's worth
+having for hovering over one panel while typing in another.
+
+## Encoding and transport
+
+- **Codec.** Keep H.264 4:2:0. Apple's High Performance Screen Sharing uses
+  4:4:4 over two virtual displays (**documented**), but the Frame's Chromium
+  decodes H.264 in software, and no 4:4:4 decode path is confirmed there.
+- **Sharper static text.** When a panel has been still for a moment, send a
+  high-quality refresh, either a keyframe at low quantisation or a lossless
+  WebP overlay, so static text is sharp. Moving content stays as video.
+- **Transport.** Keep WebSocket over SSH for now, as it works everywhere.
+  WebRTC (UDP, congestion control) is the proven step up for Wi-Fi.
+  WebTransport over QUIC is promising, but its server side on macOS is
+  unverified.
diff --git a/docs/open-questions.md b/docs/open-questions.md
index 37ecaee..770f20a 100644
--- a/docs/open-questions.md
+++ b/docs/open-questions.md
@@ -130,6 +130,19 @@ Still open: 4, 6, 7, 12–15, 16 (off-LAN and after a reboot), 17–21.
 - The Mac EDL flashing script in `~/Downloads/steam-frame-recovery/` hasn't
   been run against a Frame.
 
+## Mac in the headset (2026-09-28)
+
+The test pattern streams to the Frame as its own panel at about 60 fps
+(verified, build 20260925.6191901; see
+[mac-in-headset.md](mac-in-headset.md#checked-so-far-2026-09-28)). Still to
+check in the headset:
+
+- Laser clicks, drags and thumbstick scrolling in a viewer panel.
+- Real window capture and input once Screen Recording and Accessibility are
+  granted to Frame Control.
+- Keys from SteamVR's on-screen keyboard.
+- Whether Flathub Chromium decodes H.264 (otherwise use Compatible).
+
 ## Unconfirmed claims made in these docs
 
 - `/home` and `/etc` persist across Frame OS updates. This is inferred from
diff --git a/docs/streaming.md b/docs/streaming.md
index 778e886..c4fb64f 100644
--- a/docs/streaming.md
+++ b/docs/streaming.md
@@ -38,7 +38,8 @@ flat 2D desktop streaming into a window on the Frame's Linux desktop.
 
 | Option | Setup | Confidence | Verdict |
 |---|---|---|---|
-| **macOS Screen Sharing (VNC) → Remmina on the Frame** | **Mac:** System Settings → General → Sharing → Screen Sharing on → (i) → enable "VNC viewers may control screen with password". **Frame:** `./scripts/install-apps.sh remmina` from the Mac, then open Remmina in the headset and connect to `vnc://<mac>.local` | **Verified 2026-09-27** (Frame BUILD_ID 20260925.6191901, macOS 27.0), in its own panel via `panel-on-frame.sh mac-screen`. Remmina is on Flathub for **aarch64** with VNC and RDP ([Flathub](https://flathub.org/apps/org.remmina.Remmina)). The Frame desktop runs Flatpaks ([UploadVR](https://www.uploadvr.com/flatpaks-open-source-steam-frame/)). macOS VNC is built in. | **Recommended.** Nothing to install on the Mac, and it's easy to set up. Noticeable lag, even at lower Remmina quality settings on a good 5 GHz link, where neither Wi-Fi nor the Frame's CPU was the bottleneck. Usable for reading and coding, but not for games. You'll type the Mac's hostname once in Remmina on the headset, then save the profile. To avoid even that, the script can pre-seed a Remmina profile over SSH (see below). |
+| **Frame Control → Tools → Mac in the headset** | Nothing to install. Allow Screen Recording and Accessibility for Frame Control, then press **Show** next to any window or screen | **Verified 2026-09-28** on the Frame (panel in 1.5 s, measured with `scripts/macview-bench.py`: about 10–20 ms from the Mac drawing a frame to the viewer drawing it); laser input not yet tried while wearing it | **Recommended.** Hardware H.264 over an SSH tunnel, adapting to the link. Each window becomes its own panel you can place anywhere. Laser clicks and scrolls, and the Mac's keyboard types. See [mac-in-headset.md](mac-in-headset.md) |
+| **macOS Screen Sharing (VNC) → Remmina on the Frame** | **Mac:** System Settings → General → Sharing → Screen Sharing on → (i) → enable "VNC viewers may control screen with password". **Frame:** `./scripts/install-apps.sh remmina` from the Mac, then open Remmina in the headset and connect to `vnc://<mac>.local` | **Verified 2026-09-27** (Frame BUILD_ID 20260925.6191901, macOS 27.0), in its own panel via `panel-on-frame.sh mac-screen`. Remmina is on Flathub for **aarch64** with VNC and RDP ([Flathub](https://flathub.org/apps/org.remmina.Remmina)). The Frame desktop runs Flatpaks ([UploadVR](https://www.uploadvr.com/flatpaks-open-source-steam-frame/)). macOS VNC is built in. | **Fallback** (whole screens only). Nothing to install on the Mac, and it's easy to set up. Noticeable lag, even at lower Remmina quality settings on a good 5 GHz link, where neither Wi-Fi nor the Frame's CPU was the bottleneck. Usable for reading and coding, but not for games. You'll type the Mac's hostname once in Remmina on the headset, then save the profile. To avoid even that, the script can pre-seed a Remmina profile over SSH (see below). |
 | Sunshine (Mac) → Moonlight (Frame Flatpak) | `brew install` Sunshine on the Mac, then `./scripts/install-apps.sh moonlight` | Moonlight Flatpak supports **aarch64** ([Flathub](https://flathub.org/apps/com.moonlight_stream.Moonlight)). **Sunshine on macOS is poorly supported**: install problems on Apple Silicon/Sequoia, and no virtual gamepads ([LizardByte discussion #777](https://github.com/orgs/LizardByte/discussions/777)). | Try it if VNC is too laggy. Expect some friction. |
 | Steam Remote Play with the Mac as host | Steam on the Mac, Steam Link/Remote Play on the Frame | macOS-hosted Remote Play is reported broken or flaky in 2024–2026 ([Steam discussion](https://steamcommunity.com/groups/homestream/discussions/1/574921459914429988/)) | Not recommended. It's only for games, if it works at all. |
 | Immersed / Virtual Desktop | Vendor apps | Immersed has a Mac agent but no known Frame client. Virtual Desktop's developer said he'd "try" to port it ([NewsBreak](https://www.newsbreak.com/news/4892834783961-virtual-desktop-dev-says-he-ll-try-to-bring-the-app-to-steam-frame)). | Not available as of 2026-09-25. Check again later. |
@@ -86,6 +87,21 @@ its header. (Verified 2026-09-27.)
 Going the other way, pointing a controller at the panel moves the Mac's mouse,
 because Remmina forwards input (`viewonly=0`).
 
+## First-party options, and why they do or don't fit
+
+Checked 2026-09-28. The first-party way is usually the best one, so these are
+listed first; the sections above and below explain the alternatives.
+
+| Goal | First-party option | Fits? | Why, and what would make it easier |
+|---|---|---|---|
+| Type and point from the **iPhone** | **KDE Connect** (KDE; official [iOS app](https://apps.apple.com/app/kde-connect/id1580245991)) remote touchpad and keyboard, plus clipboard and files | **Best candidate, untested on the Frame** | The Frame doesn't have it (verified: no `kdeconnectd`), it isn't on Flathub, and the root is read-only, so it would have to run from `~` or a container. On Wayland it types through KWin, so it can only reach the desktop panel, not SteamVR or games (**inferred**). Steam Deck users report its remote input breaking after SteamOS updates ([SteamOS #1939](https://github.com/ValveSoftware/SteamOS/issues/1939)). If it works, Frame Control could install it and pair it for you. |
+| Type and point from the **Mac** | KDE Connect for macOS (KDE builds) | Same as above | Its Mac app sends clipboard and files but has no keyboard/mouse sharing (**inferred**). |
+| Either | **Bluetooth keyboard and mouse** paired in SteamOS (Valve) | Yes, with real hardware | Neither device can pretend to be one: iOS refuses the HID service ([Apple forums](https://developer.apple.com/forums/thread/733916)), and macOS has no built-in way. |
+| Either | **xrdp** in Developer Mode (Valve) | No | Input goes into a *separate* desktop shown on the Mac, not into what you see in the headset. |
+| **Mac screen** in the Frame | **Screen Sharing** (Apple's VNC server) + Remmina (already installed on this Frame, profile pre-seeded by `install-apps.sh`) | **Yes, closest to first-party** | Only the Mac side is first-party; Remmina is the client. Turn on System Settings → General → Sharing → Screen Sharing → (i) → "VNC viewers may control screen with password". Still to test in the headset (open question 11). |
+| Mac screen | **Steam Remote Play** with the Mac as host (Valve) | Probably not | macOS isn't a SteamVR host, and Mac-hosted Remote Play is reported broken ([Steam forum](https://steamcommunity.com/groups/homestream/discussions/1/574921459914429988/)). One quick test is worth doing: Steam on the Mac, then Remote Play from the Frame's Steam. |
+| Mac or **iPhone screen** | **AirPlay** (Apple) | Not officially | It's Apple's own mirroring for both, but Apple only licenses receivers to TV and speaker makers; nothing official runs on Linux. UxPlay (below) is the unofficial receiver. |
+
 ## C. Show the iPhone's screen inside the Frame
 
 iOS only shares its screen two ways: **AirPlay** (Screen Mirroring in Control
diff --git a/docs/vr-apks.md b/docs/vr-apks.md
new file mode 100644
index 0000000..e57325c
--- /dev/null
+++ b/docs/vr-apks.md
@@ -0,0 +1,148 @@
+# VR APKs and Quest games in Lepton
+
+What it takes to run an immersive (OpenXR) Android app, including Meta Quest
+builds, on the Frame. Checked on SteamOS BUILD_ID 20260925.6191901, Lepton
+v2.8.14 (rootfs v2.8.11), SteamVR 2.18.1, on 2026-09-28, unless marked
+**inferred**.
+
+## How a VR APK reaches SteamVR (verified)
+
+- Lepton ships a standard Khronos system runtime manifest,
+  `/vendor/etc/openxr/1/active_runtime.json`, pointing at SteamVR's Android
+  client, `/data/steamvr/runtime/bin/androidarm64/vrclient.so`. That is the
+  host's `/opt/steamvr/bin/androidarm64/`, bind-mounted in.
+- An APK's own Khronos-style `libopenxr_loader.so` tries the runtime brokers
+  (`org.khronos.openxr.runtime_broker`, `…system_runtime_broker`), finds
+  neither, then falls back to that manifest. Nothing in the APK has to change
+  for discovery.
+- Install the APK without the flatscreen marker
+  (`python3 ui/frame_android.py install app.apk --vr`). The marker only
+  controls Lepton's 2D Android surface; the app itself has to start an
+  OpenXR session.
+- Lepton also loads Valve's `XR_APILAYER_VALVE_fdm_injection` layer from
+  `/vendor/etc/openxr/1/api_layers/implicit.d/`. Only layers in Valve's own
+  directories are picked up (`liblepton/vulkan_layers.sh`), so a third-party
+  layer has to ship inside the APK.
+
+**Open Brush 2.32.29, the Quest APK from its GitHub release (Unity OpenXR,
+Vulkan), works unmodified.** Its manifest already has `LAUNCHER` next to
+`com.oculus.intent.category.VR`. Unity asked for OpenXR 1.1, got
+`XR_ERROR_API_VERSION_UNSUPPORTED`, retried with 1.0 and succeeded. SteamVR
+took it as the scene app, created Touch, simple-controller and Frame-controller
+bindings, and the session reached `XR_SESSION_STATE_FOCUSED`. A headset capture
+(`ui/frame_vrshot.py`, after waking the compositor and closing the dashboard)
+showed a dark sky over a mountain horizon; nobody wore the headset to confirm
+it was Open Brush's scene or to try drawing.
+
+**Khronos `hello_xr` (Vulkan, 1.1.63 release APK) works unmodified:**
+`Instance RuntimeName=SteamVR/OpenXR RuntimeVersion=2.18.1`, 1728×1728
+swapchains per eye, session `IDLE → READY → SYNCHRONIZED` (the headset was
+not being worn, so it did not reach `FOCUSED`).
+
+## What SteamVR's Android runtime supports (verified, from `vrclient.so`)
+
+- **OpenXR 1.0 only.** An app requesting `XR_API_VERSION_1_0` works; one
+  requesting 1.1 (`XR_CURRENT_API_VERSION` in a 1.1 SDK) gets
+  `XR_ERROR_API_VERSION_UNSUPPORTED` from the runtime.
+- Extensions include `XR_KHR_opengl_es_enable`, `XR_KHR_vulkan_enable{,2}`,
+  `XR_KHR_composition_layer_depth`, `XR_KHR_locate_spaces`,
+  `XR_EXT_local_floor`, `XR_EXT_uuid`, `XR_EXT_palm_pose`,
+  `XR_EXT_hand_tracking`, `XR_EXT_eye_gaze_interaction`, and these Meta ones:
+  `XR_FB_display_refresh_rate`, `XR_FB_foveation{,_configuration,_vulkan}`,
+  `XR_FB_space_warp`, `XR_FB_swapchain_update_state`,
+  `XR_META_foveation_eye_tracked`, `XR_META_recommended_layer_resolution`,
+  `XR_META_vulkan_swapchain_create_info`, `XR_META_performance_metrics`.
+- Not present: `XR_FB_passthrough`, `XR_FB_hand_tracking_*`,
+  `XR_FB_spatial_entity*`, `XR_FB_color_space`,
+  `XR_KHR_android_thread_settings`, `XR_OCULUS_*`.
+- Interaction profiles include `oculus/touch_controller`, `khr/simple_controller`,
+  `valve/frame_controller` and the usual PC controllers. Valve documents Touch
+  bindings as a working fallback on the Frame controllers.
+
+## What stops a Quest APK (verified with Wolvic 1.9, `oculusvr` build)
+
+1. **Lepton won't start it.** Lepton's `apk-info-extractor` only accepts an
+   activity whose intent filter has `android.intent.action.MAIN` and
+   `android.intent.category.LAUNCHER`. Quest apps use
+   `com.oculus.intent.category.VR` instead, so Lepton logs `APP_ACTIVITY is
+   empty` and exits. There is no override. **Fix:** add the `LAUNCHER`
+   category to that intent filter and re-sign. After that, Wolvic started.
+2. **OpenXR 1.1.** Wolvic's Quest build then requested OpenXR 1.1 and aborted
+   on `XR_ERROR_API_VERSION_UNSUPPORTED`. Unity's OpenXR plugin retries with
+   1.0 (Open Brush, above), so this mostly bites native and non-Unity apps. **Fix (inferred):** an API layer
+   inside the APK that asks the runtime for 1.0 and maps the 1.1 core
+   functions to the extensions the runtime does have (`XR_KHR_locate_spaces`,
+   `XR_EXT_local_floor`, `XR_EXT_uuid`, `XR_EXT_palm_pose`).
+3. **Lepton's missing clipboard service** still applies to VR apps. The Godot
+   XR Tools demo's Quest build (itch.io) dies in `Godot.<init>` casting the
+   null clipboard service to `ClipboardManager`, before any OpenXR call. See
+   the clipboard table in [apks.md](apks.md).
+4. **Not yet reached:** required Meta-only extensions (each app differs),
+   swapchain formats (the Lynx Wolvic build needed `GL_SRGB8_ALPHA8`), and
+   Meta platform services.
+
+The loader was never the problem: Wolvic's Quest `libopenxr_loader.so` is a
+Khronos-style loader and found SteamVR through `/vendor`.
+
+## Out of scope
+
+- **Meta entitlement.** Apps that call the Oculus Platform SDK
+  (`libovrplatformloader.so`) to check the Quest store licence need Meta's
+  services. Frame Control won't work around that.
+- **VrApi-era apps** (`libvrapi.so`, before OpenXR) need an API translator,
+  not a patch.
+
+## Frame Control does this for you
+
+APK uploads and `python3 ui/frame_android.py install app.apk` detect VR
+manifest categories, Samsung's `vr_only` flag and the arm64 OpenXR loader.
+VR apps default to immersive mode without the flatscreen marker. The upload
+selector or CLI `--flat` / `--vr` overrides that choice. Compatibility notes
+identify legacy VrApi, Meta platform SDK and OpenXR libraries.
+
+Lepton only starts an `<activity>` whose MAIN intent filter has LAUNCHER; it
+ignores `<activity-alias>`, which is where Godot 4 exports put LAUNCHER. When no
+real activity qualifies, Frame Control adds LAUNCHER to the VR activity's MAIN
+filter, or to the activity the launcher alias targets, then repacks and v2-signs
+the APK locally before copying it; `meta.json` records
+`"patched": ["launcher"]`. Unchanged ZIP members retain their compressed
+bytes; stored libraries are aligned to 16 KiB. The RSA signing identity lives
+in Frame Control's per-user app-data directory as `apk-signing-key.json`
+(mode 0600). Keep this key to preserve the signer on subsequent patched
+updates. A re-signed APK cannot update an installation signed by its original
+publisher; Android also treats it as a different signer for signature checks.
+
+VR apps with an arm64 OpenXR loader also get the OpenXR compatibility layer
+([frame/openxr-compat](../frame/openxr-compat/README.md)): an implicit API
+layer in the APK's `assets/openxr/1/api_layers/implicit.d/`, which the app's
+own loader picks up next to Valve's layer. It asks SteamVR for OpenXR 1.0 when
+the app wants 1.1 and enables the extensions that became 1.1 core; maps
+`xrLocateSpaces` to `xrLocateSpacesKHR` and `grip_surface` to `palm_ext`; drops
+1.1 controller profiles SteamVR doesn't know; stubs
+`XR_KHR_android_thread_settings` and `XR_OCULUS_android_session_state_enable`;
+and keeps the current refresh rate when SteamVR refuses a requested one.
+`meta.json` records `"patched": ["openxr-compat"]`. Skip it with
+`install … --no-xr-compat`. Its decisions go to logcat under `FrameXrCompat`.
+
+Verified on the headset (2026-09-28):
+
+- **Wolvic 1.9, Quest build**, installed as downloaded: Frame Control added
+  `LAUNCHER` and the layer. The layer turned OpenXR 1.1.48 into 1.0.63, the
+  instance and session were created, and a 144 Hz refresh request that SteamVR
+  refused was kept at the current rate. The session reached `SYNCHRONIZED`;
+  then Wolvic's Gecko engine crashed (null SIGSEGV on its Gecko thread, the
+  same crash its Lynx build has), which is Wolvic's, not OpenXR's.
+- **Open Brush, Quest build**, with the layer: 1.1.54 → 1.0.63, the thread
+  settings stub in use, `bytedance/pico4_controller` bindings dropped, and the
+  session reached `FOCUSED`, the same as without the layer.
+
+Inspect or prepare an APK without contacting the headset:
+
+```sh
+python3 ui/frame_android.py info app.apk
+python3 ui/frame_android.py patch app.apk patched.apk
+python3 ui/frame_android.py patch app.apk patched.apk --add assets/openxr/1/api_layers/implicit.d/X.json=X.json --add lib/arm64-v8a/libX.so=libX.so
+```
+
+The patch fixes Lepton's launch-category requirement. It does not supply an
+OpenXR 1.1 translation layer, Meta services or a VrApi implementation.
diff --git a/frame/openxr-compat/.gitattributes b/frame/openxr-compat/.gitattributes
new file mode 100644
index 0000000..15fc64b
--- /dev/null
+++ b/frame/openxr-compat/.gitattributes
@@ -0,0 +1,2 @@
+# Preserve upstream headers byte-for-byte, including their existing whitespace.
+vendor/** -whitespace
diff --git a/frame/openxr-compat/.gitignore b/frame/openxr-compat/.gitignore
new file mode 100644
index 0000000..cebbcdf
--- /dev/null
+++ b/frame/openxr-compat/.gitignore
@@ -0,0 +1 @@
+/build-*/
diff --git a/frame/openxr-compat/CMakeLists.txt b/frame/openxr-compat/CMakeLists.txt
new file mode 100644
index 0000000..6f75b6b
--- /dev/null
+++ b/frame/openxr-compat/CMakeLists.txt
@@ -0,0 +1,25 @@
+cmake_minimum_required(VERSION 3.22)
+project(FrameXrCompat LANGUAGES CXX)
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+add_library(compat_logic INTERFACE)
+target_include_directories(compat_logic INTERFACE . vendor)
+if(ANDROID)
+  add_library(XrApiLayer_FRAME_compat SHARED layer.cpp)
+  target_link_libraries(XrApiLayer_FRAME_compat PRIVATE compat_logic log)
+  target_compile_definitions(XrApiLayer_FRAME_compat PRIVATE XR_USE_PLATFORM_ANDROID XR_NO_PROTOTYPES)
+  target_compile_options(XrApiLayer_FRAME_compat PRIVATE -O2 -fvisibility=hidden -Wall -Wextra -Werror)
+  target_link_options(XrApiLayer_FRAME_compat PRIVATE -Wl,-z,max-page-size=16384 -Wl,--no-undefined -Wl,--exclude-libs,ALL -Wl,-s)
+else()
+  enable_testing()
+  add_executable(compat_tests tests/compat_tests.cpp)
+  target_link_libraries(compat_tests PRIVATE compat_logic)
+  target_compile_options(compat_tests PRIVATE -Wall -Wextra -Werror)
+  add_test(NAME compat_logic COMMAND compat_tests)
+  add_executable(dispatch_tests tests/dispatch_tests.cpp)
+  target_link_libraries(dispatch_tests PRIVATE compat_logic)
+  target_include_directories(dispatch_tests PRIVATE tests/shims)
+  target_compile_definitions(dispatch_tests PRIVATE XR_USE_PLATFORM_ANDROID XR_NO_PROTOTYPES)
+  target_compile_options(dispatch_tests PRIVATE -Wall -Wextra -Werror)
+  add_test(NAME layer_dispatch COMMAND dispatch_tests)
+endif()
diff --git a/frame/openxr-compat/README.md b/frame/openxr-compat/README.md
new file mode 100644
index 0000000..5978979
--- /dev/null
+++ b/frame/openxr-compat/README.md
@@ -0,0 +1,254 @@
+# Frame OpenXR compatibility API layer
+
+`XR_APILAYER_FRAME_compat` is an APK-local implicit API layer for Steam Frame's
+OpenXR 1.0 Android runtime. It translates selected 1.1 functionality; it is not
+a conformant replacement for a complete 1.1 runtime. Device facts are in
+[../../docs/vr-apks.md](../../docs/vr-apks.md). No headset was contacted during
+implementation. Loading, Valve-layer coexistence, controller usability, and
+Wolvic startup/rendering on Lepton remain **unverified on device**.
+
+## Behavior
+
+- The negotiated `createApiLayerInstance` hook handles `xrCreateInstance`.
+  API requests >= 1.1 become `XR_API_VERSION_1_0` (1.0.63 with these headers),
+  rather than carrying an arbitrary application's patch into the 1.0 request.
+  Requests below 1.1 are unchanged. The loader may reject future API versions
+  before any layer runs.
+- Enumerate downstream extensions through the **next layer's** GIPA before
+  creation. Only advertised promoted extensions are added, with duplicates
+  removed. All other application extensions remain, except the two stubs below.
+  Log added, stubbed and missing extensions with tag `FrameXrCompat`.
+- Missing `XR_KHR_android_thread_settings` is advertised and accepted;
+  `xrSetAndroidApplicationThreadKHR` logs and returns success without changing
+  thread scheduling. Missing `XR_OCULUS_android_session_state_enable` is
+  advertised and accepted, with no commands or additional session behavior.
+  If downstream supports either extension, preserve it and its real commands.
+  Stubbing these capabilities is intentionally limited to accepting the app's
+  request; it does not provide Meta services.
+- The manifest's `instance_extensions` makes both stubs visible during the
+  loader's pre-instance enumeration and validation. The layer also exposes
+  an enumeration implementation with count/capacity handling. Before a next
+  dispatch is available it can enumerate only its own extensions; normal app
+  global enumeration is performed by the loader, merging runtime and manifest
+  entries. See [loader_core.cpp L106–145](https://github.com/KhronosGroup/OpenXR-SDK-Source/blob/release-1.1.63/src/loader/loader_core.cpp#L106)
+  and [manifest parsing L549–558](https://github.com/KhronosGroup/OpenXR-SDK-Source/blob/release-1.1.63/src/loader/manifest_file.cpp#L549).
+- Unknown missing extensions are never silently removed. Khronos may reject
+  them **before** entering the layer and name them in `OpenXR-Loader` logs
+  ([loader_instance.cpp L149–176](https://github.com/KhronosGroup/OpenXR-SDK-Source/blob/release-1.1.63/src/loader/loader_instance.cpp#L149)).
+  If they reach this layer, it logs their names and preserves them for the
+  downstream failure.
+- `xrLocateSpaces` dispatches to `xrLocateSpacesKHR` per session/instance.
+  This is the only command added in 1.1. The three relevant structure types
+  (`SPACES_LOCATE_INFO`, `SPACE_LOCATIONS`, `SPACE_VELOCITIES`) and their KHR
+  versions are **numeric aliases**, and the structs are typedef aliases in
+  these headers. Explicit type conversion of local input/output copies is
+  therefore an identity conversion; the velocity chain passes through without
+  mutating its types or linkage. Output arrays remain shared and receive the
+  runtime's results, including on error; caller struct headers remain intact.
+- With palm pose enabled, rewrite both hand paths ending in
+  `/input/grip_surface/pose` to `/input/palm_ext/pose` in `xrStringToPath` and
+  in binding suggestions (including paths obtained before this layer rewrote
+  them). Unknown paths are left alone.
+- `xrGetInstanceProperties` and unrelated commands pass through. The real
+  runtime's identity is not spoofed. Dispatch tables and session ownership are
+  locked, and removed after successful destruction. Downstream calls occur
+  outside the lock.
+
+## Spec basis and interaction profiles
+
+The pinned [1.1 promotions appendix, versions.adoc L16–156](https://github.com/KhronosGroup/OpenXR-Docs/blob/release-1.1.63/specification/sources/chapters/versions.adoc#L16)
+includes a generated promotion list. Its source is the
+[1.1.63 XML registry](https://github.com/KhronosGroup/OpenXR-Docs/blob/release-1.1.63/specification/registry/xr.xml),
+selecting `extension[@promotedto='XR_VERSION_1_1']`. The full list implemented:
+
+| Promoted extension | Handling |
+| --- | --- |
+| `XR_KHR_locate_spaces` | Enable if advertised; core command alias |
+| `XR_EXT_local_floor` | Enable if advertised; reference-space enum is an alias |
+| `XR_EXT_uuid` | Enable if advertised; type alias, no commands |
+| `XR_EXT_palm_pose` | Enable if advertised; rewrite grip-surface paths |
+| `XR_VARJO_quad_views` | Enable if advertised; view-configuration enum alias, support remains optional |
+| `XR_EXT_samsung_odyssey_controller` | Enable if advertised |
+| `XR_EXT_hp_mixed_reality_controller` | Enable if advertised |
+| `XR_HTC_vive_cosmos_controller_interaction` | Enable if advertised |
+| `XR_HTC_vive_focus3_controller_interaction` | Enable if advertised |
+| `XR_ML_ml2_controller_interaction` | Enable if advertised |
+| `XR_FB_touch_controller_pro` | Enable if advertised; old profile still usable |
+| `XR_META_touch_controller_plus` | Enable if advertised; old profile still usable |
+| `XR_BD_controller_interaction` | Enable if advertised |
+| `XR_KHR_maintenance1` | Enable if advertised (included in the pinned registry's promotion list) |
+
+`XR_EXT_hand_interaction` is **not** promoted to 1.1. Preserve it if requested;
+it is not auto-enabled merely because the runtime advertises it. The parent
+provided its availability; the device notes list extensions non-exhaustively.
+
+The registry's `XR_VERSION_1_1` feature introduces 13 profile paths. For
+Samsung Odyssey, HP mixed reality, HTC Cosmos/Focus3, ML2 and the three
+ByteDance Pico profiles, drop a whole suggestion call with success when the
+corresponding extension is absent. Keep it when the extension is enabled.
+Drop the five new Meta paths: `touch_pro_controller`, `touch_plus_controller`,
+`touch_controller_rift_cv1`, `touch_controller_quest_1_rift_s`, and
+`touch_controller_quest_2`. The verified runtime notes do not list these;
+Pro/Plus promotion also renames several components, so the old extension's
+presence alone does not prove support for the new profile. This layer does
+not implement those component conversions. Existing old Pro/Plus profile
+paths are passed through if the app uses them.
+
+Preserve the documented `oculus/touch_controller`, `khr/simple_controller`,
+`valve/frame_controller` and original PC profile paths. The notes' "usual PC
+controllers" is not a complete enumerated list: availability of promoted PC
+profiles is inferred from the runtime's extension advertisement, not invented
+from that phrase. OpenXR has no general profile enumeration API. Dropping
+suggestions prevents an unsupported 1.1 profile from aborting initialization;
+it does not create bindings, so the app must also suggest a supported fallback.
+
+## Headers and licensing
+
+The required public headers (`openxr.h`, `openxr_platform.h`,
+`openxr_platform_defines.h`) are unmodified from
+[OpenXR-SDK release-1.1.63](https://github.com/KhronosGroup/OpenXR-SDK/tree/release-1.1.63/include/openxr),
+commit [f2448a8](https://github.com/KhronosGroup/OpenXR-SDK/commit/f2448a8797c85814aa892efc1ab8707900fbcc78).
+The requested filename `loader_interfaces.h` no longer exists in 1.1 SDK
+releases: negotiation was ratified and moved to `openxr_loader_negotiation.h`
+in 1.0.33 ([spec history L166–186](https://github.com/KhronosGroup/OpenXR-Docs/blob/release-1.1.63/specification/sources/chapters/versions.adoc#L166)).
+To retain that requested interface filename, the layer uses the unmodified,
+ABI-compatible [last legacy header from SDK-Source release-1.0.32](https://github.com/KhronosGroup/OpenXR-SDK-Source/blob/release-1.0.32/src/common/loader_interfaces.h).
+Only these four headers are vendored. They offer Apache-2.0 OR MIT; this
+vendoring uses Apache-2.0, reproduced in [vendor/LICENSE](vendor/LICENSE).
+
+## Android discovery and coexistence
+
+**Minimum asset-discovery loader release: 1.0.25 (2022-09-02).** Its
+[release commit, 15c3d8e](https://github.com/KhronosGroup/OpenXR-SDK-Source/commit/15c3d8eb99994e5365d6b6f96eefaf4c51a65a9d)
+explicitly announces APK-packaged API layers;
+[manifest_file.cpp L665–723](https://github.com/KhronosGroup/OpenXR-SDK-Source/blob/release-1.0.25/src/loader/manifest_file.cpp#L665)
+implements discovery, and [L934–940](https://github.com/KhronosGroup/OpenXR-SDK-Source/blob/release-1.0.25/src/loader/manifest_file.cpp#L934)
+adds asset manifests after filesystem manifests. This is not a 1.1-only feature.
+
+**For an app requesting API 1.1, use a 1.1 loader (first release 1.1.36) or
+newer.** A 1.0 loader rejects the request before the layer can downgrade it;
+see [loader_core.cpp L217–230](https://github.com/KhronosGroup/OpenXR-SDK-Source/blob/release-1.1.63/src/loader/loader_core.cpp#L217).
+The runtime can remain 1.0.
+
+Source inspection at release-1.1.63 confirms:
+
+- [manifest_file.cpp L720–783](https://github.com/KhronosGroup/OpenXR-SDK-Source/blob/release-1.1.63/src/loader/manifest_file.cpp#L720)
+  uses the initialized Android asset manager and scans
+  `openxr/1/api_layers/implicit.d/` for JSON. The application must initialize
+  the loader with its Android context (`xrInitializeLoaderKHR`). In the APK,
+  the entry is `assets/openxr/1/api_layers/implicit.d/XrApiLayer_FRAME_compat.json`.
+- A bare `library_path`, as used here, is **not explicitly concatenated** with
+  `nativeLibraryDir`. [L878–900](https://github.com/KhronosGroup/OpenXR-SDK-Source/blob/release-1.1.63/src/loader/manifest_file.cpp#L878)
+  leaves a bare name for normal dynamic-linker search in the application's
+  namespace (including its native library directory). Relative paths with a
+  slash use [LocateLibraryInAssets L943–952](https://github.com/KhronosGroup/OpenXR-SDK-Source/blob/release-1.1.63/src/loader/manifest_file.cpp#L943),
+  which resolves against `GetAndroidNativeLibraryDir()`.
+  [loader_init_data.cpp L87–96](https://github.com/KhronosGroup/OpenXR-SDK-Source/blob/release-1.1.63/src/loader/loader_init_data.cpp#L87)
+  obtains the asset manager and `ApplicationInfo.nativeLibraryDir` via JNI.
+  Wolvic's supplied manifest has `android:extractNativeLibs="true"`.
+- [android_utilities.cpp L267–322](https://github.com/KhronosGroup/OpenXR-SDK-Source/blob/release-1.1.63/src/loader/android_utilities.cpp#L267)
+  handles runtime broker discovery, not APK layer discovery. Its
+  `native_lib_dir + so_filename` and `dlopen` refer to the runtime package.
+  They must not be confused with the app's layer library resolution.
+- [manifest_file.cpp L1008–1023](https://github.com/KhronosGroup/OpenXR-SDK-Source/blob/release-1.1.63/src/loader/manifest_file.cpp#L1008)
+  retains filesystem manifests and then appends asset manifests. This leaves
+  `/vendor`'s `XR_APILAYER_VALVE_fdm_injection` discoverable. This layer advances
+  `nextInfo` exactly once, uses next-layer GIPA, preserves the rest of the
+  create-info chain and never opens `vrclient.so` directly. No environment
+  layer-list override or assumed ordering is needed.
+
+`DISABLE_FRAME_XR_COMPAT` is the manifest's disable environment variable.
+Leave it unset to activate the implicit layer. No `enable_environment` is
+required.
+
+## Rebuild and verify
+
+NDK **r30 / 30.0.16248370**, installed at
+`~/Library/Android/ndk/30.0.16248370`, was the latest stable/LTS package shown
+by the [Android download page](https://developer.android.com/ndk/downloads)
+on 2026-09-28. Downloaded
+[android-ndk-r30-darwin.dmg](https://dl.google.com/android/repository/android-ndk-r30-darwin.dmg)
+(1,072,970,961 bytes). The page publishes SHA-1, not SHA-256:
+
+```
+expected: 48591224b6657f46eebbc9d95d4af09bbed8d107
+actual:   48591224b6657f46eebbc9d95d4af09bbed8d107  (PASS)
+```
+
+Mounted read-only with `hdiutil`; copied
+`AndroidNDK16248370.app/Contents/NDK` into that version directory. Despite the
+`darwin-x86_64` toolchain directory name, clang is universal arm64/x86_64 and
+ran on this Apple Silicon Mac.
+
+```sh
+frame/openxr-compat/build.sh
+# Or set ANDROID_NDK_HOME to an installed NDK.
+cmake -S frame/openxr-compat -B frame/openxr-compat/build-host -G Ninja
+cmake --build frame/openxr-compat/build-host
+ctest --test-dir frame/openxr-compat/build-host --output-on-failure
+```
+
+The script produces arm64-v8a / android-24, C++17, `-O2`, static libc++, hidden
+internal symbols, stripped output, and `-Wl,-z,max-page-size=16384`.
+The committed prebuilt is `prebuilt/arm64-v8a/libXrApiLayer_FRAME_compat.so`.
+Its SHA-256 is recorded below with the APK checks.
+
+[Host test output](evidence/ctest.txt): two tests passed, covering pure logic
+and the actual layer with a fake next layer and host-only log/JNI shims.
+[Full llvm-readelf -d -s -l output](evidence/readelf.txt) records three LOAD
+segments aligned `0x4000`, only `xrNegotiateLoaderApiLayerInterface` exported,
+and only `libc.so`, `libm.so`, `libdl.so`, `liblog.so` as NEEDED libraries.
+All 46 undefined imports are versioned `@LIBC` except `__android_log_print`.
+There is no `libc++_shared.so` dependency and no unstripped `.symtab`.
+
+No independent model review was run: the task explicitly prohibits delegation.
+No `CODING_STANDARDS.md` exists in this worktree or the primary worktree.
+
+## Wolvic injection artifact (Mac only)
+
+Copied `/tmp/vrapk/wq-dec` to `/tmp/vrapk/wq-layer-dec`; retained its existing
+LAUNCHER fix and native-library extraction setting. Added only:
+
+```
+assets/openxr/1/api_layers/implicit.d/XrApiLayer_FRAME_compat.json
+lib/arm64-v8a/libXrApiLayer_FRAME_compat.so
+```
+
+Built using `/tmp/vrapk/jdk/Contents/Home/bin/java` and
+`/tmp/vrapk/apktool_3.0.3.jar`, then signed in place using
+`/tmp/vrapk/uber-apk-signer-1.3.0.jar --overwrite` (embedded debug certificate):
+
+```sh
+/tmp/vrapk/jdk/Contents/Home/bin/java -jar /tmp/vrapk/apktool_3.0.3.jar \
+  b /tmp/vrapk/wq-layer-dec -o /tmp/vrapk/wolvic-quest-compat.apk
+/tmp/vrapk/jdk/Contents/Home/bin/java -jar /tmp/vrapk/uber-apk-signer-1.3.0.jar \
+  -a /tmp/vrapk/wolvic-quest-compat.apk --overwrite
+/tmp/vrapk/jdk/Contents/Home/bin/java -jar /tmp/vrapk/uber-apk-signer-1.3.0.jar \
+  -a /tmp/vrapk/wolvic-quest-compat.apk --onlyVerify
+```
+
+Final APK: `/tmp/vrapk/wolvic-quest-compat.apk` (not committed).
+The bundled `lib/arm64-v8a/libopenxr_loader.so` is byte-for-byte unchanged.
+Its strings include both `openxr/1/api_layers/implicit.d/` and
+`openxr/1/api_layers/explicit.d/`, `AddManifestFilesAndroid` error messages,
+and `xrLocateSpaces`. Thus it contains APK asset discovery and evidence of
+1.1 command support. Its exact upstream release number was not established
+from the binary; runtime execution of those paths remains unverified.
+
+Prebuilt library SHA-256:
+
+```
+479d31c374f137906e03f73209b581d65d7e6a41b8476e6425fa55a6aa40bd68
+```
+
+APK SHA-256:
+
+```
+355a681625e38b71563dcffecb031799eff27894d6ab910a659bace057e82c1f
+```
+
+Final `--onlyVerify` exited 0: zip alignment verified, v2/v3 signatures
+verified, one APK processed and zero errors. ZIP readback confirmed that the
+injected library and manifest match the committed inputs, the loader is
+unchanged, and the binary Android manifest retains the LAUNCHER category.
+See [APK verification evidence](evidence/apk-verification.txt).
diff --git a/frame/openxr-compat/XrApiLayer_FRAME_compat.json b/frame/openxr-compat/XrApiLayer_FRAME_compat.json
new file mode 100644
index 0000000..143d8e3
--- /dev/null
+++ b/frame/openxr-compat/XrApiLayer_FRAME_compat.json
@@ -0,0 +1,21 @@
+{
+  "file_format_version": "1.0.0",
+  "api_layer": {
+    "name": "XR_APILAYER_FRAME_compat",
+    "library_path": "libXrApiLayer_FRAME_compat.so",
+    "api_version": "1.1",
+    "implementation_version": "1",
+    "description": "Steam Frame OpenXR 1.1 to 1.0 compatibility",
+    "disable_environment": "DISABLE_FRAME_XR_COMPAT",
+    "instance_extensions": [
+      {
+        "name": "XR_KHR_android_thread_settings",
+        "extension_version": "6"
+      },
+      {
+        "name": "XR_OCULUS_android_session_state_enable",
+        "extension_version": "1"
+      }
+    ]
+  }
+}
diff --git a/frame/openxr-compat/build.sh b/frame/openxr-compat/build.sh
new file mode 100755
index 0000000..3b08089
--- /dev/null
+++ b/frame/openxr-compat/build.sh
@@ -0,0 +1,12 @@
+#!/bin/sh
+set -eu
+here=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
+ndk=${ANDROID_NDK_HOME:-"$HOME/Library/Android/ndk/30.0.16248370"}
+cmake -S "$here" -B "$here/build-android" -G Ninja \
+  -DCMAKE_TOOLCHAIN_FILE="$ndk/build/cmake/android.toolchain.cmake" \
+  -DANDROID_ABI=arm64-v8a -DANDROID_PLATFORM=android-24 \
+  -DANDROID_STL=c++_static -DCMAKE_BUILD_TYPE=Release
+cmake --build "$here/build-android"
+mkdir -p "$here/prebuilt/arm64-v8a"
+cp "$here/build-android/libXrApiLayer_FRAME_compat.so" "$here/prebuilt/arm64-v8a/"
+shasum -a 256 "$here/prebuilt/arm64-v8a/libXrApiLayer_FRAME_compat.so"
diff --git a/frame/openxr-compat/compat_logic.h b/frame/openxr-compat/compat_logic.h
new file mode 100644
index 0000000..9d94fbc
--- /dev/null
+++ b/frame/openxr-compat/compat_logic.h
@@ -0,0 +1,88 @@
+#pragma once
+#include <openxr/openxr.h>
+#include <algorithm>
+#include <string>
+#include <vector>
+
+namespace frame {
+using Names = std::vector<std::string>;
+inline constexpr const char* layerName = "XR_APILAYER_FRAME_compat";
+inline constexpr const char* stubs[] = {"XR_KHR_android_thread_settings", "XR_OCULUS_android_session_state_enable"};
+// OpenXR-Docs release-1.1.63 registry: promotedto="XR_VERSION_1_1".
+inline constexpr const char* promotions[] = {
+    "XR_KHR_locate_spaces", "XR_EXT_local_floor", "XR_EXT_uuid", "XR_EXT_palm_pose",
+    "XR_VARJO_quad_views", "XR_EXT_samsung_odyssey_controller", "XR_EXT_hp_mixed_reality_controller",
+    "XR_HTC_vive_cosmos_controller_interaction", "XR_HTC_vive_focus3_controller_interaction",
+    "XR_ML_ml2_controller_interaction", "XR_FB_touch_controller_pro", "XR_META_touch_controller_plus",
+    "XR_BD_controller_interaction", "XR_KHR_maintenance1"};
+inline bool has(const Names& names, const std::string& n) {
+    return std::find(names.begin(), names.end(), n) != names.end();
+}
+inline bool downgrade(XrVersion v) { return v >= XR_MAKE_VERSION(1, 1, 0); }
+inline XrVersion runtimeVersion(XrVersion v) { return downgrade(v) ? XR_API_VERSION_1_0 : v; }
+struct ExtensionPlan { Names downstream, stubbed, missing, added; };
+inline ExtensionPlan extensions(const Names& requested, const Names& available, bool promote) {
+    ExtensionPlan p;
+    for (const auto& n : requested) {
+        if (!has(available, n) && (n == stubs[0] || n == stubs[1])) p.stubbed.push_back(n);
+        else {
+            if (!has(p.downstream, n)) p.downstream.push_back(n);
+            if (!has(available, n)) p.missing.push_back(n);
+        }
+    }
+    if (promote) for (auto n : promotions) if (has(available, n) && !has(p.downstream, n)) {
+        p.downstream.push_back(n); p.added.push_back(n);
+    }
+    return p;
+}
+// 1.1's grip_surface is XR_EXT_palm_pose's palm_ext renamed (same pose), not the grip pose.
+inline std::string rewritePath(std::string p, bool palm) {
+    const std::string suffix = "/input/grip_surface/pose";
+    if (palm && (p == "/user/hand/left" + suffix || p == "/user/hand/right" + suffix))
+        p.replace(p.size() - suffix.size(), suffix.size(), "/input/palm_ext/pose");
+    return p;
+}
+// Profiles added to 1.1. The three legacy Meta splits have no 1.0 extension.
+// The renamed Pro/Plus profiles have different component semantics; do not
+// claim the old extension implements the new profile merely because it exists.
+inline bool dropProfile(const std::string& p, const Names& enabled) {
+    for (auto name : {"touch_pro_controller", "touch_plus_controller", "touch_controller_rift_cv1",
+                      "touch_controller_quest_1_rift_s", "touch_controller_quest_2"})
+        if (p == std::string("/interaction_profiles/meta/") + name) return true;
+    const char* profiles[][2] = {
+        {"samsung/odyssey_controller", "XR_EXT_samsung_odyssey_controller"},
+        {"hp/mixed_reality_controller", "XR_EXT_hp_mixed_reality_controller"},
+        {"htc/vive_cosmos_controller", "XR_HTC_vive_cosmos_controller_interaction"},
+        {"htc/vive_focus3_controller", "XR_HTC_vive_focus3_controller_interaction"},
+        {"ml/ml2_controller", "XR_ML_ml2_controller_interaction"},
+        {"bytedance/pico_neo3_controller", "XR_BD_controller_interaction"},
+        {"bytedance/pico4_controller", "XR_BD_controller_interaction"},
+        {"bytedance/pico_g3_controller", "XR_BD_controller_interaction"}};
+    for (auto& entry : profiles) if (p == std::string("/interaction_profiles/") + entry[0])
+        return !has(enabled, entry[1]);
+    return false;
+}
+inline XrStructureType extensionType(XrStructureType t) {
+    switch (t) {
+    case XR_TYPE_SPACES_LOCATE_INFO: return XR_TYPE_SPACES_LOCATE_INFO_KHR;
+    case XR_TYPE_SPACE_LOCATIONS: return XR_TYPE_SPACE_LOCATIONS_KHR;
+    case XR_TYPE_SPACE_VELOCITIES: return XR_TYPE_SPACE_VELOCITIES_KHR;
+    default: return t;
+    }
+}
+inline XrResult locate(PFN_xrLocateSpacesKHR next, XrSession session,
+                       const XrSpacesLocateInfo* info, XrSpaceLocations* locations) {
+    if (!info || !locations) return XR_ERROR_VALIDATION_FAILURE;
+    static_assert(XR_TYPE_SPACE_VELOCITIES == XR_TYPE_SPACE_VELOCITIES_KHR);
+    static_assert(XR_TYPE_SPACE_LOCATIONS == XR_TYPE_SPACE_LOCATIONS_KHR);
+    static_assert(XR_TYPE_SPACES_LOCATE_INFO == XR_TYPE_SPACES_LOCATE_INFO_KHR);
+    auto in = *info;
+    auto out = *locations;
+    in.type = extensionType(in.type); out.type = extensionType(out.type);
+    // The enums and typedefs are exact aliases. All chained velocities,
+    // including unknown next structures, can be forwarded without mutation.
+    const auto result = next(session, &in, &out);
+    locations->locationCount = out.locationCount;
+    return result;
+}
+}
diff --git a/frame/openxr-compat/evidence/apk-verification.txt b/frame/openxr-compat/evidence/apk-verification.txt
new file mode 100644
index 0000000..bfed1f5
--- /dev/null
+++ b/frame/openxr-compat/evidence/apk-verification.txt
@@ -0,0 +1,29 @@
+2026-09-28, Mac only; no device connection.
+APK: /tmp/vrapk/wolvic-quest-compat.apk
+SHA-256: 355a681625e38b71563dcffecb031799eff27894d6ab910a659bace057e82c1f
+
+Command:
+/tmp/vrapk/jdk/Contents/Home/bin/java -jar /tmp/vrapk/uber-apk-signer-1.3.0.jar -a /tmp/vrapk/wolvic-quest-compat.apk --onlyVerify
+Exit status: 0
+Relevant output:
+- zipalign verified
+- signature verified [v2, v3]
+Successfully processed 1 APKs and 0 errors in 0.63 seconds.
+
+ZIP readback checks: PASS
+- Injected JSON identical to frame/openxr-compat/XrApiLayer_FRAME_compat.json.
+- Injected SO identical to prebuilt/arm64-v8a/libXrApiLayer_FRAME_compat.so.
+- Existing libopenxr_loader.so identical to /tmp/vrapk/wq-dec version.
+- Binary AndroidManifest.xml contains android.intent.category.LAUNCHER.
+
+Loader strings present:
+openxr/1/api_layers/implicit.d/
+openxr/1/api_layers/explicit.d/
+ApiLayerManifestFile::AddManifestFilesAndroid unable to open asset
+xrLocateSpaces
+
+NDK: 30.0.16248370 (r30)
+DMG size: 1072970961 bytes
+Download-page SHA-1: 48591224b6657f46eebbc9d95d4af09bbed8d107
+Measured SHA-1:      48591224b6657f46eebbc9d95d4af09bbed8d107
+SHA check: PASS
diff --git a/frame/openxr-compat/evidence/ctest.txt b/frame/openxr-compat/evidence/ctest.txt
new file mode 100644
index 0000000..3e3686d
--- /dev/null
+++ b/frame/openxr-compat/evidence/ctest.txt
@@ -0,0 +1,9 @@
+Test project /Users/saphid/projects/steam-frame-xrlayer/frame/openxr-compat/build-host
+    Start 1: compat_logic
+1/2 Test #1: compat_logic .....................   Passed    0.01 sec
+    Start 2: layer_dispatch
+2/2 Test #2: layer_dispatch ...................   Passed    0.42 sec
+
+100% tests passed out of 2
+
+Total Test time (real) =   0.43 sec
diff --git a/frame/openxr-compat/evidence/readelf.txt b/frame/openxr-compat/evidence/readelf.txt
new file mode 100644
index 0000000..67a0dbe
--- /dev/null
+++ b/frame/openxr-compat/evidence/readelf.txt
@@ -0,0 +1,110 @@
+
+Elf file type is DYN (Shared object file)
+Entry point 0x0
+There are 9 program headers, starting at offset 64
+
+Program Headers:
+  Type           Offset   VirtAddr           PhysAddr           FileSiz  MemSiz   Flg Align
+  PHDR           0x000040 0x0000000000000040 0x0000000000000040 0x0001f8 0x0001f8 R   0x8
+  LOAD           0x000000 0x0000000000000000 0x0000000000000000 0x0169e0 0x0169e0 R E 0x4000
+  LOAD           0x0169e0 0x000000000001a9e0 0x000000000001a9e0 0x000a90 0x001620 RW  0x4000
+  LOAD           0x017470 0x000000000001f470 0x000000000001f470 0x000068 0x000bc0 RW  0x4000
+  DYNAMIC        0x017048 0x000000000001b048 0x000000000001b048 0x0001c0 0x0001c0 RW  0x8
+  GNU_RELRO      0x0169e0 0x000000000001a9e0 0x000000000001a9e0 0x000a90 0x001620 R   0x1
+  GNU_EH_FRAME   0x004fb4 0x0000000000004fb4 0x0000000000004fb4 0x00070c 0x00070c R   0x4
+  GNU_STACK      0x000000 0x0000000000000000 0x0000000000000000 0x000000 0x000000 RW  0x0
+  NOTE           0x000238 0x0000000000000238 0x0000000000000238 0x0000bc 0x0000bc R   0x4
+
+ Section to Segment mapping:
+  Segment Sections...
+   00
+   01     .note.android.ident .note.gnu.build-id .dynsym .gnu.version .gnu.version_r .gnu.hash .dynstr .rela.dyn .rela.plt .gcc_except_table .rodata .eh_frame_hdr .eh_frame .text __lcxx_override .plt
+   02     .data.rel.ro .fini_array .init_array .dynamic .got .got.plt .relro_padding
+   03     .data .bss
+   04     .dynamic
+   05     .data.rel.ro .fini_array .init_array .dynamic .got .got.plt .relro_padding
+   06     .eh_frame_hdr
+   07
+   08     .note.android.ident .note.gnu.build-id
+   None   .comment .shstrtab
+Dynamic section at offset 0x17048 contains 28 entries:
+  Tag                Type           Name/Value
+  0x0000000000000001 (NEEDED)       Shared library: [liblog.so]
+  0x0000000000000001 (NEEDED)       Shared library: [libm.so]
+  0x0000000000000001 (NEEDED)       Shared library: [libdl.so]
+  0x0000000000000001 (NEEDED)       Shared library: [libc.so]
+  0x000000000000000e (SONAME)       Library soname: [libXrApiLayer_FRAME_compat.so]
+  0x000000000000001e (FLAGS)        BIND_NOW
+  0x000000006ffffffb (FLAGS_1)      NOW
+  0x0000000000000007 (RELA)         0xae8
+  0x0000000000000008 (RELASZ)       5424 (bytes)
+  0x0000000000000009 (RELAENT)      24 (bytes)
+  0x000000006ffffff9 (RELACOUNT)    225
+  0x0000000000000017 (JMPREL)       0x2018
+  0x0000000000000002 (PLTRELSZ)     1080 (bytes)
+  0x0000000000000003 (PLTGOT)       0x1b2f0
+  0x0000000000000014 (PLTREL)       RELA
+  0x0000000000000006 (SYMTAB)       0x2f8
+  0x000000000000000b (SYMENT)       24 (bytes)
+  0x0000000000000005 (STRTAB)       0x838
+  0x000000000000000a (STRSZ)        681 (bytes)
+  0x000000006ffffef5 (GNU_HASH)     0x818
+  0x0000000000000019 (INIT_ARRAY)   0x1b030
+  0x000000000000001b (INIT_ARRAYSZ) 24 (bytes)
+  0x000000000000001a (FINI_ARRAY)   0x1b020
+  0x000000000000001c (FINI_ARRAYSZ) 16 (bytes)
+  0x000000006ffffff0 (VERSYM)       0x778
+  0x000000006ffffffe (VERNEED)      0x7d8
+  0x000000006fffffff (VERNEEDNUM)   2
+  0x0000000000000000 (NULL)         0x0
+
+Symbol table '.dynsym' contains 48 entries:
+   Num:    Value          Size Type    Bind   Vis       Ndx Name
+     0: 0000000000000000     0 NOTYPE  LOCAL  DEFAULT   UND
+     1: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND __cxa_finalize@LIBC
+     2: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND __cxa_atexit@LIBC
+     3: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND strcmp@LIBC
+     4: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND __android_log_print
+     5: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND __stack_chk_fail@LIBC
+     6: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND memmove@LIBC
+     7: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND strlen@LIBC
+     8: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND memcpy@LIBC
+     9: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND __strcpy_chk@LIBC
+    10: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND memset@LIBC
+    11: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND memcmp@LIBC
+    12: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND pthread_mutex_lock@LIBC
+    13: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND pthread_mutex_unlock@LIBC
+    14: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND __errno@LIBC
+    15: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND snprintf@LIBC
+    16: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND pthread_mutex_destroy@LIBC
+    17: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND strerror_r@LIBC
+    18: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND abort@LIBC
+    19: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND pthread_getspecific@LIBC
+    20: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND pthread_setspecific@LIBC
+    21: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND pthread_key_create@LIBC
+    22: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND syscall@LIBC
+    23: 0000000000000000     0 OBJECT  GLOBAL DEFAULT   UND __sF@LIBC
+    24: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND fwrite@LIBC
+    25: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND vfprintf@LIBC
+    26: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND fputc@LIBC
+    27: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND vasprintf@LIBC
+    28: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND android_set_abort_message@LIBC
+    29: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND openlog@LIBC
+    30: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND syslog@LIBC
+    31: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND closelog@LIBC
+    32: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND malloc@LIBC
+    33: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND free@LIBC
+    34: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND posix_memalign@LIBC
+    35: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND realloc@LIBC
+    36: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND pthread_once@LIBC
+    37: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND pthread_key_delete@LIBC
+    38: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND getauxval@LIBC
+    39: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND __system_property_get@LIBC
+    40: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND strncmp@LIBC
+    41: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND fprintf@LIBC
+    42: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND fflush@LIBC
+    43: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND pthread_rwlock_wrlock@LIBC
+    44: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND pthread_rwlock_unlock@LIBC
+    45: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND dl_iterate_phdr@LIBC
+    46: 0000000000000000     0 FUNC    GLOBAL DEFAULT   UND pthread_rwlock_rdlock@LIBC
+    47: 00000000000081a0   284 FUNC    GLOBAL DEFAULT    14 xrNegotiateLoaderApiLayerInterface
diff --git a/frame/openxr-compat/layer.cpp b/frame/openxr-compat/layer.cpp
new file mode 100644
index 0000000..79b858c
--- /dev/null
+++ b/frame/openxr-compat/layer.cpp
@@ -0,0 +1,289 @@
+#include "compat_logic.h"
+#include <loader_interfaces.h>
+#include <jni.h>
+#include <openxr/openxr_platform.h>
+#include <android/log.h>
+#include <cstring>
+#include <memory>
+#include <mutex>
+#include <unordered_map>
+
+#define LOG(...) __android_log_print(ANDROID_LOG_INFO, "FrameXrCompat", __VA_ARGS__)
+#define GUARD_END catch (const std::bad_alloc&) { return XR_ERROR_OUT_OF_MEMORY; } catch (...) { return XR_ERROR_RUNTIME_FAILURE; }
+namespace {
+struct Dispatch {
+    PFN_xrGetInstanceProcAddr gipa{};
+    PFN_xrDestroyInstance destroy{};
+    PFN_xrCreateSession createSession{};
+    PFN_xrDestroySession destroySession{};
+    PFN_xrLocateSpacesKHR locate{};
+    PFN_xrStringToPath stringToPath{};
+    PFN_xrPathToString pathToString{};
+    PFN_xrSuggestInteractionProfileBindings suggest{};
+    PFN_xrSetAndroidApplicationThreadKHR thread{};
+    PFN_xrRequestDisplayRefreshRateFB refresh{};
+    frame::Names enabled, stubbed;
+    XrInstance instance{};
+    bool promote{}, palm{};
+};
+std::mutex mutex;
+std::unordered_map<XrInstance, std::shared_ptr<Dispatch>> instances;
+std::unordered_map<XrSession, std::shared_ptr<Dispatch>> sessions;
+// No runtime library is opened here: every call goes through the next layer.
+PFN_xrEnumerateInstanceExtensionProperties enumerateNext{};
+template<class T> T proc(PFN_xrGetInstanceProcAddr gipa, XrInstance i, const char* name) {
+    PFN_xrVoidFunction f{};
+    if (XR_FAILED(gipa(i, name, &f))) return nullptr;
+    return reinterpret_cast<T>(f);
+}
+std::shared_ptr<Dispatch> get(XrInstance i) {
+    std::lock_guard<std::mutex> lock(mutex);
+    auto it = instances.find(i); return it == instances.end() ? nullptr : it->second;
+}
+std::shared_ptr<Dispatch> get(XrSession s) {
+    std::lock_guard<std::mutex> lock(mutex);
+    auto it = sessions.find(s); return it == sessions.end() ? nullptr : it->second;
+}
+XrResult properties(PFN_xrEnumerateInstanceExtensionProperties fn,
+                    std::vector<XrExtensionProperties>& out) {
+    if (!fn) return XR_ERROR_FUNCTION_UNSUPPORTED;
+    for (int attempt = 0; attempt < 4; ++attempt) {
+        uint32_t n{};
+        auto r = fn(nullptr, 0, &n, nullptr);
+        if (XR_FAILED(r)) return r;
+        out.assign(n, {XR_TYPE_EXTENSION_PROPERTIES, nullptr, {}, 0});
+        if (!n) return XR_SUCCESS;
+        r = fn(nullptr, n, &n, out.data());
+        if (r == XR_ERROR_SIZE_INSUFFICIENT) continue;
+        if (XR_FAILED(r)) return r;
+        out.resize(n); return XR_SUCCESS;
+    }
+    return XR_ERROR_RUNTIME_FAILURE;
+}
+XrResult XRAPI_CALL enumerate(const char* layer, uint32_t capacity, uint32_t* count,
+                              XrExtensionProperties* output) try {
+    if (!count || (capacity && !output)) return XR_ERROR_VALIDATION_FAILURE;
+    const bool own = layer && std::strcmp(layer, frame::layerName) == 0;
+    PFN_xrEnumerateInstanceExtensionProperties next;
+    { std::lock_guard<std::mutex> lock(mutex); next = enumerateNext; }
+    if (layer && *layer && !own) return next ? next(layer, capacity, count, output) : XR_ERROR_API_LAYER_NOT_PRESENT;
+    std::vector<XrExtensionProperties> all;
+    if (!own && next) {
+        auto r = properties(next, all); if (XR_FAILED(r)) return r;
+    }
+    for (unsigned i = 0; i < 2; ++i) {
+        bool found = false;
+        for (auto& e : all) if (!std::strcmp(e.extensionName, frame::stubs[i])) found = true;
+        if (!found) {
+            XrExtensionProperties p{XR_TYPE_EXTENSION_PROPERTIES, nullptr, {}, i == 0 ? XR_KHR_android_thread_settings_SPEC_VERSION : 1u};
+            std::strcpy(p.extensionName, frame::stubs[i]); all.push_back(p);
+        }
+    }
+    *count = static_cast<uint32_t>(all.size());
+    LOG("enumerate extensions: %u (includes stubs)", *count);
+    if (!capacity) return XR_SUCCESS;
+    if (capacity < all.size()) return XR_ERROR_SIZE_INSUFFICIENT;
+    for (size_t i = 0; i < all.size(); ++i) {
+        if (output[i].type != XR_TYPE_EXTENSION_PROPERTIES) return XR_ERROR_VALIDATION_FAILURE;
+        std::strcpy(output[i].extensionName, all[i].extensionName);
+        output[i].extensionVersion = all[i].extensionVersion;
+    }
+    return XR_SUCCESS;
+} GUARD_END
+XrResult XRAPI_CALL destroyInstance(XrInstance i) try {
+    auto d = get(i); if (!d) return XR_ERROR_HANDLE_INVALID;
+    auto r = d->destroy(i);
+    if (XR_SUCCEEDED(r)) {
+        std::lock_guard<std::mutex> lock(mutex);
+        for (auto it = sessions.begin(); it != sessions.end();) {
+            if (it->second == d) it = sessions.erase(it); else ++it;
+        }
+        instances.erase(i);
+        if (instances.empty()) enumerateNext = nullptr;
+    }
+    return r;
+} GUARD_END
+XrResult XRAPI_CALL createSession(XrInstance i, const XrSessionCreateInfo* info, XrSession* s) try {
+    auto d = get(i); if (!d) return XR_ERROR_HANDLE_INVALID;
+    auto r = d->createSession(i, info, s);
+    if (XR_SUCCEEDED(r)) {
+        try { std::lock_guard<std::mutex> lock(mutex); sessions.emplace(*s, d); }
+        catch (...) { d->destroySession(*s); *s = XR_NULL_HANDLE; throw; }
+    }
+    return r;
+} GUARD_END
+XrResult XRAPI_CALL destroySession(XrSession s) try {
+    auto d = get(s); if (!d) return XR_ERROR_HANDLE_INVALID;
+    auto r = d->destroySession(s);
+    if (XR_SUCCEEDED(r)) { std::lock_guard<std::mutex> lock(mutex); sessions.erase(s); }
+    return r;
+} GUARD_END
+XrResult XRAPI_CALL locateSpaces(XrSession s, const XrSpacesLocateInfo* in, XrSpaceLocations* out) try {
+    auto d = get(s); if (!d) return XR_ERROR_HANDLE_INVALID;
+    if (!d->locate) return XR_ERROR_FUNCTION_UNSUPPORTED;
+    static std::once_flag logged;  // called every frame
+    std::call_once(logged, [] { LOG("xrLocateSpaces -> xrLocateSpacesKHR (core/KHR type aliases)"); });
+    return frame::locate(d->locate, s, in, out);
+} GUARD_END
+XrResult XRAPI_CALL threadSettings(XrSession s, XrAndroidThreadTypeKHR type, uint32_t tid) try {
+    auto d = get(s); if (!d) return XR_ERROR_HANDLE_INVALID;
+    if (frame::has(d->stubbed, frame::stubs[0])) {
+        LOG("stub xrSetAndroidApplicationThreadKHR type=%d tid=%u -> XR_SUCCESS (no scheduling change)", type, tid);
+        return XR_SUCCESS;
+    }
+    return d->thread ? d->thread(s, type, tid) : XR_ERROR_FUNCTION_UNSUPPORTED;
+} GUARD_END
+// SteamVR offers only the current refresh rate; Quest apps ask for 72/90/120 Hz
+// and abort on the error, so keep the current rate and report success.
+XrResult XRAPI_CALL requestRefreshRate(XrSession s, float hz) try {
+    auto d = get(s); if (!d) return XR_ERROR_HANDLE_INVALID;
+    auto r = d->refresh(s, hz);
+    if (r == XR_ERROR_DISPLAY_REFRESH_RATE_UNSUPPORTED_FB) {
+        LOG("xrRequestDisplayRefreshRateFB %.1f Hz unsupported; keeping the current rate", hz);
+        return XR_SUCCESS;
+    }
+    return r;
+} GUARD_END
+XrResult XRAPI_CALL stringToPath(XrInstance i, const char* path, XrPath* out) try {
+    auto d = get(i); if (!d) return XR_ERROR_HANDLE_INVALID;
+    if (!path) return XR_ERROR_VALIDATION_FAILURE;
+    auto rewritten = frame::rewritePath(path, d->palm);
+    if (rewritten != path) LOG("path %s -> %s", path, rewritten.c_str());
+    return d->stringToPath(i, rewritten.c_str(), out);
+} GUARD_END
+XrResult pathString(const Dispatch& d, XrPath path, std::string& out) {
+    uint32_t n{};
+    auto r = d.pathToString(d.instance, path, 0, &n, nullptr);
+    if (XR_FAILED(r)) return r;
+    std::vector<char> text(n);
+    r = d.pathToString(d.instance, path, n, &n, text.data());
+    if (XR_SUCCEEDED(r)) out.assign(text.data());
+    return r;
+}
+XrResult XRAPI_CALL suggest(XrInstance i, const XrInteractionProfileSuggestedBinding* info) try {
+    auto d = get(i); if (!d) return XR_ERROR_HANDLE_INVALID;
+    if (!info || (info->countSuggestedBindings && !info->suggestedBindings)) return XR_ERROR_VALIDATION_FAILURE;
+    std::string profile;
+    auto r = pathString(*d, info->interactionProfile, profile);
+    if (XR_FAILED(r)) return r;
+    if (d->promote && frame::dropProfile(profile, d->enabled)) {
+        LOG("drop unsupported 1.1 interaction profile %s (%u suggestions)", profile.c_str(), info->countSuggestedBindings);
+        return XR_SUCCESS;
+    }
+    auto copy = *info;
+    std::vector<XrActionSuggestedBinding> bindings;
+    for (uint32_t index = 0; index < info->countSuggestedBindings; ++index) {
+        auto b = info->suggestedBindings[index];
+        std::string path;
+        r = pathString(*d, b.binding, path); if (XR_FAILED(r)) return r;
+        auto rewritten = frame::rewritePath(path, d->palm);
+        if (rewritten != path) {
+            LOG("binding %s -> %s", path.c_str(), rewritten.c_str());
+            r = d->stringToPath(i, rewritten.c_str(), &b.binding); if (XR_FAILED(r)) return r;
+        }
+        bindings.push_back(b);
+    }
+    copy.suggestedBindings = bindings.data();
+    return d->suggest(i, &copy);
+} GUARD_END
+XrResult XRAPI_CALL gipa(XrInstance, const char*, PFN_xrVoidFunction*);
+XrResult XRAPI_CALL createLayer(const XrInstanceCreateInfo* info, const XrApiLayerCreateInfo* layer,
+                               XrInstance* instance) try {
+    if (!info || !instance || !layer || layer->structType != XR_LOADER_INTERFACE_STRUCT_API_LAYER_CREATE_INFO ||
+        layer->structVersion != XR_API_LAYER_CREATE_INFO_STRUCT_VERSION || layer->structSize != sizeof(*layer) ||
+        !layer->nextInfo || layer->nextInfo->structType != XR_LOADER_INTERFACE_STRUCT_API_LAYER_NEXT_INFO ||
+        layer->nextInfo->structVersion != XR_API_LAYER_NEXT_INFO_STRUCT_VERSION ||
+        layer->nextInfo->structSize != sizeof(XrApiLayerNextInfo) ||
+        !layer->nextInfo->nextGetInstanceProcAddr || !layer->nextInfo->nextCreateApiLayerInstance ||
+        (info->enabledExtensionCount && !info->enabledExtensionNames)) return XR_ERROR_INITIALIZATION_FAILED;
+    *instance = XR_NULL_HANDLE;
+    auto next = layer->nextInfo->nextGetInstanceProcAddr;
+    auto enumFn = proc<PFN_xrEnumerateInstanceExtensionProperties>(next, XR_NULL_HANDLE, "xrEnumerateInstanceExtensionProperties");
+    std::vector<XrExtensionProperties> available;
+    auto r = properties(enumFn, available); if (XR_FAILED(r)) { LOG("runtime extension enumeration failed: %d", r); return r; }
+    frame::Names requested, supported;
+    for (auto& p : available) supported.emplace_back(p.extensionName);
+    for (uint32_t n = 0; n < info->enabledExtensionCount; ++n) {
+        if (!info->enabledExtensionNames[n]) return XR_ERROR_VALIDATION_FAILURE;
+        requested.emplace_back(info->enabledExtensionNames[n]);
+    }
+    auto d = std::make_shared<Dispatch>();
+    d->promote = frame::downgrade(info->applicationInfo.apiVersion);
+    auto plan = frame::extensions(requested, supported, d->promote);
+    for (auto& n : plan.added) LOG("enable promoted extension %s", n.c_str());
+    for (auto& n : plan.stubbed) LOG("emulate missing extension %s; remove downstream", n.c_str());
+    for (auto& n : plan.missing) LOG("unsupported extension %s retained; runtime must reject", n.c_str());
+    auto copy = *info;
+    copy.applicationInfo.apiVersion = frame::runtimeVersion(info->applicationInfo.apiVersion);
+    if (d->promote) LOG("API %u.%u.%u -> 1.0.%u", unsigned(XR_VERSION_MAJOR(info->applicationInfo.apiVersion)),
+        unsigned(XR_VERSION_MINOR(info->applicationInfo.apiVersion)), unsigned(XR_VERSION_PATCH(info->applicationInfo.apiVersion)),
+        unsigned(XR_VERSION_PATCH(copy.applicationInfo.apiVersion)));
+    std::vector<const char*> names;
+    for (auto& n : plan.downstream) names.push_back(n.c_str());
+    copy.enabledExtensionCount = static_cast<uint32_t>(names.size()); copy.enabledExtensionNames = names.data();
+    auto chain = *layer; chain.nextInfo = layer->nextInfo->next;
+    r = layer->nextInfo->nextCreateApiLayerInstance(&copy, &chain, instance);
+    if (XR_FAILED(r)) { LOG("downstream xrCreateInstance -> %d", r); return r; }
+    d->gipa = next; d->instance = *instance;
+    d->destroy = proc<PFN_xrDestroyInstance>(next, *instance, "xrDestroyInstance");
+    // A successful runtime instance must expose xrDestroyInstance.
+    if (!d->destroy) {  // nothing could ever destroy it, so don't hand it out
+        LOG("invalid downstream: missing xrDestroyInstance"); *instance = XR_NULL_HANDLE; return XR_ERROR_INITIALIZATION_FAILED;
+    }
+    try {
+        d->enabled = std::move(plan.downstream); d->stubbed = std::move(plan.stubbed);
+        d->palm = frame::has(d->enabled, "XR_EXT_palm_pose");
+#define LOAD(field, name) d->field = proc<PFN_##name>(next, *instance, #name)
+        LOAD(createSession, xrCreateSession); LOAD(destroySession, xrDestroySession);
+        LOAD(stringToPath, xrStringToPath); LOAD(pathToString, xrPathToString);
+        LOAD(suggest, xrSuggestInteractionProfileBindings);
+        if (frame::has(d->enabled, "XR_KHR_locate_spaces")) LOAD(locate, xrLocateSpacesKHR);
+        if (frame::has(d->enabled, frame::stubs[0])) LOAD(thread, xrSetAndroidApplicationThreadKHR);
+        if (frame::has(d->enabled, "XR_FB_display_refresh_rate")) LOAD(refresh, xrRequestDisplayRefreshRateFB);
+#undef LOAD
+        if (!d->createSession || !d->destroySession || !d->stringToPath || !d->pathToString || !d->suggest) {
+            d->destroy(*instance); *instance = XR_NULL_HANDLE; return XR_ERROR_INITIALIZATION_FAILED;
+        }
+        std::lock_guard<std::mutex> lock(mutex);
+        instances.emplace(*instance, d); enumerateNext = enumFn;
+    } catch (...) { d->destroy(*instance); *instance = XR_NULL_HANDLE; throw; }
+    LOG("created instance; next-layer dispatch retained (Valve layer coexists)");
+    return r;
+} GUARD_END
+XrResult XRAPI_CALL gipa(XrInstance i, const char* name, PFN_xrVoidFunction* out) try {
+    if (!name || !out) return XR_ERROR_VALIDATION_FAILURE;
+    *out = nullptr;
+#define RETURN_PROC(n, fn) if (!std::strcmp(name, n)) { *out = reinterpret_cast<PFN_xrVoidFunction>(fn); return XR_SUCCESS; }
+    RETURN_PROC("xrGetInstanceProcAddr", gipa)
+    RETURN_PROC("xrCreateApiLayerInstance", createLayer)
+    RETURN_PROC("xrEnumerateInstanceExtensionProperties", enumerate)
+    auto d = get(i); if (!d) return XR_ERROR_HANDLE_INVALID;
+    RETURN_PROC("xrDestroyInstance", destroyInstance)
+    RETURN_PROC("xrCreateSession", createSession)
+    RETURN_PROC("xrDestroySession", destroySession)
+    RETURN_PROC("xrStringToPath", stringToPath)
+    RETURN_PROC("xrSuggestInteractionProfileBindings", suggest)
+    if (d->locate && d->promote) { RETURN_PROC("xrLocateSpaces", locateSpaces) }
+    if (frame::has(d->stubbed, frame::stubs[0])) { RETURN_PROC("xrSetAndroidApplicationThreadKHR", threadSettings) }
+    if (d->refresh) { RETURN_PROC("xrRequestDisplayRefreshRateFB", requestRefreshRate) }
+#undef RETURN_PROC
+    // Includes xrGetInstanceProperties: report the actual runtime's identity.
+    return d->gipa(i, name, out);
+} GUARD_END
+} // namespace
+extern "C" __attribute__((visibility("default"))) XrResult XRAPI_CALL xrNegotiateLoaderApiLayerInterface(
+    const XrNegotiateLoaderInfo* loader, const char* name, XrNegotiateApiLayerRequest* request) {
+    if (!loader || !name || !request || std::strcmp(name, frame::layerName) ||
+        loader->structType != XR_LOADER_INTERFACE_STRUCT_LOADER_INFO ||
+        loader->structVersion != XR_LOADER_INFO_STRUCT_VERSION || loader->structSize != sizeof(*loader) ||
+        request->structType != XR_LOADER_INTERFACE_STRUCT_API_LAYER_REQUEST ||
+        request->structVersion != XR_API_LAYER_INFO_STRUCT_VERSION || request->structSize != sizeof(*request) ||
+        loader->minInterfaceVersion > 1 || loader->maxInterfaceVersion < 1 ||
+        loader->minApiVersion > XR_CURRENT_API_VERSION || loader->maxApiVersion < XR_MAKE_VERSION(1, 1, 0))
+        return XR_ERROR_INITIALIZATION_FAILED;
+    request->layerInterfaceVersion = 1;
+    request->layerApiVersion = std::min<XrVersion>(XR_CURRENT_API_VERSION, loader->maxApiVersion);
+    request->getInstanceProcAddr = gipa; request->createApiLayerInstance = createLayer;
+    LOG("negotiated interface 1, API 1.1");
+    return XR_SUCCESS;
+}
diff --git a/frame/openxr-compat/prebuilt/arm64-v8a/libXrApiLayer_FRAME_compat.so b/frame/openxr-compat/prebuilt/arm64-v8a/libXrApiLayer_FRAME_compat.so
new file mode 100755
index 0000000..608cdd1
Binary files /dev/null and b/frame/openxr-compat/prebuilt/arm64-v8a/libXrApiLayer_FRAME_compat.so differ
diff --git a/frame/openxr-compat/tests/compat_tests.cpp b/frame/openxr-compat/tests/compat_tests.cpp
new file mode 100644
index 0000000..addf345
--- /dev/null
+++ b/frame/openxr-compat/tests/compat_tests.cpp
@@ -0,0 +1,70 @@
+#include "compat_logic.h"
+#include <cstdlib>
+#include <iostream>
+#include <type_traits>
+#define CHECK(expr) do { if (!(expr)) { std::cerr << __LINE__ << ": " #expr "\n"; std::exit(1); } } while (false)
+namespace {
+void* sentinel = reinterpret_cast<void*>(0x1234);
+XrResult XRAPI_CALL fakeLocate(XrSession, const XrSpacesLocateInfo* in, XrSpaceLocations* out) {
+    CHECK(in->type == XR_TYPE_SPACES_LOCATE_INFO_KHR);
+    CHECK(out->type == XR_TYPE_SPACE_LOCATIONS_KHR);
+    CHECK(in->next == sentinel);
+    auto* velocities = static_cast<XrSpaceVelocitiesKHR*>(out->next);
+    CHECK(velocities->type == XR_TYPE_SPACE_VELOCITIES_KHR);
+    CHECK(velocities->next == sentinel);
+    CHECK(in->spaceCount == 1 && in->time == 123);
+    out->locations[0].pose.position.x = 42;
+    velocities->velocities[0].linearVelocity.y = 7;
+    return XR_SUCCESS;
+}
+}
+int main() {
+    using namespace frame;
+    CHECK(!downgrade(XR_MAKE_VERSION(1, 0, 99)));
+    CHECK(runtimeVersion(XR_MAKE_VERSION(1, 0, 42)) == XR_MAKE_VERSION(1, 0, 42));
+    CHECK(runtimeVersion(XR_MAKE_VERSION(1, 1, 0)) == XR_API_VERSION_1_0);
+    CHECK(runtimeVersion(XR_MAKE_VERSION(1, 1, 999)) == XR_API_VERSION_1_0);
+    CHECK(runtimeVersion(XR_MAKE_VERSION(2, 0, 0)) == XR_API_VERSION_1_0);
+    Names available{"XR_KHR_locate_spaces", "XR_EXT_palm_pose", "XR_EXT_hand_interaction", "XR_VARJO_quad_views"};
+    Names requested{stubs[0], stubs[1], "XR_MISSING_test", "XR_EXT_palm_pose"};
+    auto p = extensions(requested, available, true);
+    CHECK(p.stubbed.size() == 2 && p.missing == Names{"XR_MISSING_test"});
+    CHECK(has(p.downstream, "XR_MISSING_test"));
+    CHECK(has(p.downstream, "XR_KHR_locate_spaces") && has(p.downstream, "XR_VARJO_quad_views"));
+    CHECK(!has(p.downstream, "XR_EXT_hand_interaction"));
+    CHECK(!has(p.downstream, "XR_EXT_local_floor"));
+    CHECK(std::count(p.downstream.begin(), p.downstream.end(), "XR_EXT_palm_pose") == 1);
+    available.push_back(stubs[0]);
+    CHECK(extensions(requested, available, true).stubbed == Names{stubs[1]});
+    CHECK(extensions({}, available, false).downstream.empty());
+    CHECK(rewritePath("/user/hand/left/input/grip_surface/pose", true) == "/user/hand/left/input/palm_ext/pose");
+    CHECK(rewritePath("/user/hand/right/input/grip_surface/pose", true) == "/user/hand/right/input/palm_ext/pose");
+    CHECK(rewritePath("/user/hand/left/input/grip_surface/pose", false) == "/user/hand/left/input/grip_surface/pose");
+    CHECK(rewritePath("/user/hand/left/input/grip_surface/pose/extra", true) == "/user/hand/left/input/grip_surface/pose/extra");
+    CHECK(rewritePath("/user/hand/left/input/grip/pose", true) == "/user/hand/left/input/grip/pose");
+    CHECK(dropProfile("/interaction_profiles/meta/touch_pro_controller", {}));
+    CHECK(dropProfile("/interaction_profiles/meta/touch_controller_quest_2", {}));
+    CHECK(dropProfile("/interaction_profiles/hp/mixed_reality_controller", {}));
+    CHECK(!dropProfile("/interaction_profiles/hp/mixed_reality_controller", {"XR_EXT_hp_mixed_reality_controller"}));
+    CHECK(!dropProfile("/interaction_profiles/oculus/touch_controller", {}));
+    CHECK(!dropProfile("/interaction_profiles/khr/simple_controller", {}));
+    CHECK(!dropProfile("/interaction_profiles/valve/frame_controller", {}));
+    CHECK(!dropProfile("/interaction_profiles/ext/hand_interaction_ext", {}));
+    CHECK(extensionType(XR_TYPE_SPACES_LOCATE_INFO) == XR_TYPE_SPACES_LOCATE_INFO_KHR);
+    CHECK(extensionType(XR_TYPE_SPACE_LOCATIONS) == XR_TYPE_SPACE_LOCATIONS_KHR);
+    CHECK(extensionType(XR_TYPE_SPACE_VELOCITIES) == XR_TYPE_SPACE_VELOCITIES_KHR);
+    CHECK(extensionType(XR_TYPE_INSTANCE_CREATE_INFO) == XR_TYPE_INSTANCE_CREATE_INFO);
+    static_assert(std::is_same_v<XrSpaceVelocities, XrSpaceVelocitiesKHR>);
+    XrSpace space{};
+    XrSpaceLocationData data{};
+    XrSpaceVelocityData velocity{};
+    XrSpaceVelocities velocities{XR_TYPE_SPACE_VELOCITIES, sentinel, 1, &velocity};
+    XrSpaceLocations locations{XR_TYPE_SPACE_LOCATIONS, &velocities, 1, &data};
+    XrSpacesLocateInfo info{XR_TYPE_SPACES_LOCATE_INFO, sentinel, XR_NULL_HANDLE, 123, 1, &space};
+    CHECK(locate(fakeLocate, XR_NULL_HANDLE, &info, &locations) == XR_SUCCESS);
+    CHECK(data.pose.position.x == 42 && velocity.linearVelocity.y == 7);
+    CHECK(info.next == sentinel && locations.next == &velocities && velocities.next == sentinel);
+    CHECK(info.type == XR_TYPE_SPACES_LOCATE_INFO && locations.type == XR_TYPE_SPACE_LOCATIONS && velocities.type == XR_TYPE_SPACE_VELOCITIES);
+    CHECK(locate(fakeLocate, XR_NULL_HANDLE, nullptr, &locations) == XR_ERROR_VALIDATION_FAILURE);
+    std::cout << "All version, extension, path/profile and locate-chain checks passed\n";
+}
diff --git a/frame/openxr-compat/tests/dispatch_tests.cpp b/frame/openxr-compat/tests/dispatch_tests.cpp
new file mode 100644
index 0000000..97aa48b
--- /dev/null
+++ b/frame/openxr-compat/tests/dispatch_tests.cpp
@@ -0,0 +1,134 @@
+// Compile the actual layer with host-only JNI/logging shims, and a fake next
+// layer. This exercises ABI routing without a runtime or a headset.
+#include "../layer.cpp"
+#include <cstdlib>
+#include <iostream>
+#define CHECK(expr) do { if (!(expr)) { std::cerr << __LINE__ << ": " #expr "\n"; std::exit(1); } } while (false)
+namespace {
+uintptr_t serial = 100;
+frame::Names seenExtensions;
+XrVersion seenVersion{};
+XrApiLayerNextInfo* seenNext{};
+int suggestionCalls{}, locateCalls{}, realThreadCalls{};
+bool nativeThread{};
+std::unordered_map<XrPath, std::string> paths;
+XrResult XRAPI_CALL fakeEnumerate(const char*, uint32_t capacity, uint32_t* count, XrExtensionProperties* out) {
+    const char* extensions[] = {"XR_KHR_locate_spaces", "XR_EXT_palm_pose", frame::stubs[0]};
+    *count = nativeThread ? 3 : 2;
+    if (!capacity) return XR_SUCCESS;
+    if (capacity < *count) return XR_ERROR_SIZE_INSUFFICIENT;
+    for (uint32_t j = 0; j < *count; ++j) { std::strcpy(out[j].extensionName, extensions[j]); out[j].extensionVersion = 1; }
+    return XR_SUCCESS;
+}
+XrResult XRAPI_CALL fakeCreate(const XrInstanceCreateInfo* in, const XrApiLayerCreateInfo* layer, XrInstance* i) {
+    seenVersion = in->applicationInfo.apiVersion; seenNext = layer->nextInfo;
+    seenExtensions.clear();
+    for (uint32_t j = 0; j < in->enabledExtensionCount; ++j) seenExtensions.emplace_back(in->enabledExtensionNames[j]);
+    if (frame::has(seenExtensions, "XR_MISSING_test")) return XR_ERROR_EXTENSION_NOT_PRESENT;
+    *i = reinterpret_cast<XrInstance>(++serial); return XR_SUCCESS;
+}
+XrResult XRAPI_CALL fakeDestroy(XrInstance) { return XR_SUCCESS; }
+XrResult XRAPI_CALL fakeCreateSession(XrInstance, const XrSessionCreateInfo*, XrSession* s) {
+    *s = reinterpret_cast<XrSession>(++serial); return XR_SUCCESS;
+}
+XrResult XRAPI_CALL fakeDestroySession(XrSession) { return XR_SUCCESS; }
+XrResult XRAPI_CALL fakeString(XrInstance, const char* text, XrPath* p) {
+    *p = ++serial; paths[*p] = text; return XR_SUCCESS;
+}
+XrResult XRAPI_CALL fakePath(XrInstance, XrPath p, uint32_t cap, uint32_t* count, char* out) {
+    if (!paths.count(p)) return XR_ERROR_PATH_INVALID;
+    *count = static_cast<uint32_t>(paths[p].size() + 1);
+    if (!cap) return XR_SUCCESS;
+    if (cap < *count) return XR_ERROR_SIZE_INSUFFICIENT;
+    std::strcpy(out, paths[p].c_str()); return XR_SUCCESS;
+}
+XrResult XRAPI_CALL fakeSuggest(XrInstance, const XrInteractionProfileSuggestedBinding* info) {
+    ++suggestionCalls;
+    if (info->countSuggestedBindings) CHECK(paths[info->suggestedBindings[0].binding] == "/user/hand/left/input/palm_ext/pose");
+    return XR_SUCCESS;
+}
+XrResult XRAPI_CALL fakeLocate(XrSession, const XrSpacesLocateInfo*, XrSpaceLocations*) { ++locateCalls; return XR_SUCCESS; }
+XrResult XRAPI_CALL fakeThread(XrSession, XrAndroidThreadTypeKHR, uint32_t) { ++realThreadCalls; return XR_TIMEOUT_EXPIRED; }
+XrResult XRAPI_CALL fakeProperties(XrInstance, XrInstanceProperties*) { return XR_SUCCESS; }
+XrResult XRAPI_CALL fakeGipa(XrInstance, const char* n, PFN_xrVoidFunction* out) {
+#define MAP(name, f) if (!std::strcmp(n, name)) { *out = reinterpret_cast<PFN_xrVoidFunction>(f); return XR_SUCCESS; }
+    MAP("xrEnumerateInstanceExtensionProperties", fakeEnumerate)
+    MAP("xrDestroyInstance", fakeDestroy)
+    MAP("xrCreateSession", fakeCreateSession) MAP("xrDestroySession", fakeDestroySession)
+    MAP("xrStringToPath", fakeString) MAP("xrPathToString", fakePath)
+    MAP("xrSuggestInteractionProfileBindings", fakeSuggest) MAP("xrLocateSpacesKHR", fakeLocate)
+    MAP("xrSetAndroidApplicationThreadKHR", fakeThread) MAP("xrGetInstanceProperties", fakeProperties)
+#undef MAP
+    *out = nullptr; return XR_ERROR_FUNCTION_UNSUPPORTED;
+}
+}
+int main() {
+    XrNegotiateLoaderInfo loader{XR_LOADER_INTERFACE_STRUCT_LOADER_INFO, 1, sizeof(XrNegotiateLoaderInfo), 1, 1,
+                                XR_MAKE_VERSION(1,0,0), XR_MAKE_VERSION(1,1023,4095)};
+    XrNegotiateApiLayerRequest request{};
+    request.structType = XR_LOADER_INTERFACE_STRUCT_API_LAYER_REQUEST; request.structVersion = 1; request.structSize = sizeof(request);
+    CHECK(xrNegotiateLoaderApiLayerInterface(&loader, frame::layerName, &request) == XR_SUCCESS);
+    CHECK(request.getInstanceProcAddr && request.createApiLayerInstance);
+    loader.maxApiVersion = XR_MAKE_VERSION(1,1,0);
+    CHECK(xrNegotiateLoaderApiLayerInterface(&loader, frame::layerName, &request) == XR_SUCCESS);
+    CHECK(request.layerApiVersion == loader.maxApiVersion);
+    loader.maxApiVersion = XR_MAKE_VERSION(1,0,99);
+    CHECK(xrNegotiateLoaderApiLayerInterface(&loader, frame::layerName, &request) == XR_ERROR_INITIALIZATION_FAILED);
+    loader.maxApiVersion = XR_MAKE_VERSION(1,1023,4095);
+    CHECK(xrNegotiateLoaderApiLayerInterface(&loader, "wrong", &request) == XR_ERROR_INITIALIZATION_FAILED);
+    XrApiLayerNextInfo tail{};
+    XrApiLayerNextInfo next{XR_LOADER_INTERFACE_STRUCT_API_LAYER_NEXT_INFO, 1, sizeof(XrApiLayerNextInfo), {}, fakeGipa, fakeCreate, &tail};
+    XrApiLayerCreateInfo layer{XR_LOADER_INTERFACE_STRUCT_API_LAYER_CREATE_INFO, 1, sizeof(XrApiLayerCreateInfo), nullptr, {}, &next};
+    XrInstanceCreateInfo info{XR_TYPE_INSTANCE_CREATE_INFO, nullptr, 0, {}, 0, nullptr, 2, frame::stubs};
+    info.applicationInfo.apiVersion = XR_MAKE_VERSION(1,1,999);
+    XrInstance a{}, b{};
+    CHECK(createLayer(&info, &layer, &a) == XR_SUCCESS);
+    CHECK(seenVersion == XR_API_VERSION_1_0 && info.applicationInfo.apiVersion == XR_MAKE_VERSION(1,1,999));
+    CHECK(seenNext == &tail && layer.nextInfo == &next);
+    CHECK(!frame::has(seenExtensions, frame::stubs[0]) && frame::has(seenExtensions, "XR_KHR_locate_spaces"));
+    XrSession sa{}, sb{};
+    CHECK(createSession(a, nullptr, &sa) == XR_SUCCESS);
+    CHECK(threadSettings(sa, XR_ANDROID_THREAD_TYPE_APPLICATION_MAIN_KHR, 1) == XR_SUCCESS);
+    nativeThread = true;
+    CHECK(createLayer(&info, &layer, &b) == XR_SUCCESS);
+    CHECK(frame::has(seenExtensions, frame::stubs[0]));
+    CHECK(createSession(b, nullptr, &sb) == XR_SUCCESS);
+    PFN_xrVoidFunction fn{};
+    CHECK(gipa(b, "xrSetAndroidApplicationThreadKHR", &fn) == XR_SUCCESS);
+    CHECK(reinterpret_cast<PFN_xrSetAndroidApplicationThreadKHR>(fn)(sb, XR_ANDROID_THREAD_TYPE_APPLICATION_MAIN_KHR, 1) == XR_TIMEOUT_EXPIRED);
+    CHECK(realThreadCalls == 1);
+    CHECK(threadSettings(sa, XR_ANDROID_THREAD_TYPE_APPLICATION_MAIN_KHR, 1) == XR_SUCCESS);
+    CHECK(gipa(a, "xrGetInstanceProperties", &fn) == XR_SUCCESS && fn == reinterpret_cast<PFN_xrVoidFunction>(fakeProperties));
+    CHECK(gipa(a, "xrLocateSpaces", &fn) == XR_SUCCESS);
+    XrSpacesLocateInfo locateInfo{XR_TYPE_SPACES_LOCATE_INFO, nullptr, XR_NULL_HANDLE, 1, 0, nullptr};
+    XrSpaceLocations locations{XR_TYPE_SPACE_LOCATIONS, nullptr, 0, nullptr};
+    CHECK(reinterpret_cast<PFN_xrLocateSpaces>(fn)(sa, &locateInfo, &locations) == XR_SUCCESS && locateCalls == 1);
+    XrPath binding{}, profile{};
+    CHECK(stringToPath(a, "/user/hand/left/input/grip_surface/pose", &binding) == XR_SUCCESS);
+    CHECK(paths[binding] == "/user/hand/left/input/palm_ext/pose");
+    fakeString(a, "/user/hand/left/input/grip_surface/pose", &binding); // preexisting path: rewrite in suggest too
+    fakeString(a, "/interaction_profiles/oculus/touch_controller", &profile);
+    XrActionSuggestedBinding action{XR_NULL_HANDLE, binding};
+    XrInteractionProfileSuggestedBinding suggested{XR_TYPE_INTERACTION_PROFILE_SUGGESTED_BINDING, nullptr, profile, 1, &action};
+    CHECK(suggest(a, &suggested) == XR_SUCCESS && suggestionCalls == 1);
+    CHECK(paths[action.binding] == "/user/hand/left/input/grip_surface/pose");
+    fakeString(a, "/interaction_profiles/meta/touch_pro_controller", &suggested.interactionProfile);
+    CHECK(suggest(a, &suggested) == XR_SUCCESS && suggestionCalls == 1);
+    uint32_t count{};
+    CHECK(enumerate(frame::layerName, 0, &count, nullptr) == XR_SUCCESS && count == 2);
+    XrExtensionProperties props[2]{{XR_TYPE_EXTENSION_PROPERTIES, nullptr, {}, 0}, {XR_TYPE_EXTENSION_PROPERTIES, nullptr, {}, 0}};
+    CHECK(enumerate(frame::layerName, 1, &count, props) == XR_ERROR_SIZE_INSUFFICIENT);
+    CHECK(enumerate(frame::layerName, 2, &count, props) == XR_SUCCESS && count == 2);
+    CHECK(enumerate(nullptr, 0, &count, nullptr) == XR_SUCCESS && count == 4);
+    const char* missing = "XR_MISSING_test";
+    info.enabledExtensionCount = 1; info.enabledExtensionNames = &missing;
+    XrInstance failed{};
+    CHECK(createLayer(&info, &layer, &failed) == XR_ERROR_EXTENSION_NOT_PRESENT && failed == XR_NULL_HANDLE);
+    CHECK(destroySession(sa) == XR_SUCCESS);
+    CHECK(threadSettings(sa, XR_ANDROID_THREAD_TYPE_APPLICATION_MAIN_KHR, 1) == XR_ERROR_HANDLE_INVALID);
+    CHECK(destroyInstance(a) == XR_SUCCESS);
+    CHECK(get(sb) && !get(a));
+    CHECK(destroyInstance(b) == XR_SUCCESS && !get(sb));
+    CHECK(instances.empty() && sessions.empty() && enumerateNext == nullptr);
+    std::cout << "Negotiation, next-layer chaining, multi-instance dispatch, stubs, forwarding and cleanup passed\n";
+}
diff --git a/frame/openxr-compat/tests/shims/android/log.h b/frame/openxr-compat/tests/shims/android/log.h
new file mode 100644
index 0000000..dcaf894
--- /dev/null
+++ b/frame/openxr-compat/tests/shims/android/log.h
@@ -0,0 +1,9 @@
+#pragma once
+// Host-only logcat replacement. Android builds use the NDK header and liblog.
+#include <cstdarg>
+#include <cstdio>
+#define ANDROID_LOG_INFO 4
+inline int __android_log_print(int, const char*, const char* fmt, ...) {
+    va_list args; va_start(args, fmt); auto r = std::vfprintf(stderr, fmt, args);
+    va_end(args); std::fputc('\n', stderr); return r;
+}
diff --git a/frame/openxr-compat/tests/shims/jni.h b/frame/openxr-compat/tests/shims/jni.h
new file mode 100644
index 0000000..6223bc2
--- /dev/null
+++ b/frame/openxr-compat/tests/shims/jni.h
@@ -0,0 +1,3 @@
+#pragma once
+// Only the opaque jobject declaration is needed by openxr_platform.h.
+typedef void* jobject;
diff --git a/frame/openxr-compat/vendor/LICENSE b/frame/openxr-compat/vendor/LICENSE
new file mode 100644
index 0000000..527a83a
--- /dev/null
+++ b/frame/openxr-compat/vendor/LICENSE
@@ -0,0 +1,208 @@
+Apache License
+
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+
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diff --git a/frame/openxr-compat/vendor/loader_interfaces.h b/frame/openxr-compat/vendor/loader_interfaces.h
new file mode 100644
index 0000000..020c345
--- /dev/null
+++ b/frame/openxr-compat/vendor/loader_interfaces.h
@@ -0,0 +1,114 @@
+// Copyright (c) 2017-2023, The Khronos Group Inc.
+// Copyright (c) 2017 Valve Corporation
+// Copyright (c) 2017 LunarG, Inc.
+//
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+//
+// Initial Author: Mark Young <marky@lunarg.com>
+//
+
+#pragma once
+
+#include <openxr/openxr.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Forward declare.
+typedef struct XrApiLayerCreateInfo XrApiLayerCreateInfo;
+
+// Function pointer prototype for the xrCreateApiLayerInstance function used in place of xrCreateInstance.
+// This function allows us to pass special API layer information to each layer during the process of creating an Instance.
+typedef XrResult(XRAPI_PTR *PFN_xrCreateApiLayerInstance)(const XrInstanceCreateInfo *info,
+                                                          const XrApiLayerCreateInfo *apiLayerInfo, XrInstance *instance);
+
+// Loader/API Layer Interface versions
+//  1 - First version, introduces negotiation structure and functions
+#define XR_CURRENT_LOADER_API_LAYER_VERSION 1
+
+// Loader/Runtime Interface versions
+//  1 - First version, introduces negotiation structure and functions
+#define XR_CURRENT_LOADER_RUNTIME_VERSION 1
+
+// Version negotiation values
+typedef enum XrLoaderInterfaceStructs {
+    XR_LOADER_INTERFACE_STRUCT_UNINTIALIZED = 0,
+    XR_LOADER_INTERFACE_STRUCT_LOADER_INFO,
+    XR_LOADER_INTERFACE_STRUCT_API_LAYER_REQUEST,
+    XR_LOADER_INTERFACE_STRUCT_RUNTIME_REQUEST,
+    XR_LOADER_INTERFACE_STRUCT_API_LAYER_CREATE_INFO,
+    XR_LOADER_INTERFACE_STRUCT_API_LAYER_NEXT_INFO,
+} XrLoaderInterfaceStructs;
+
+#define XR_LOADER_INFO_STRUCT_VERSION 1
+typedef struct XrNegotiateLoaderInfo {
+    XrLoaderInterfaceStructs structType;  // XR_LOADER_INTERFACE_STRUCT_LOADER_INFO
+    uint32_t structVersion;               // XR_LOADER_INFO_STRUCT_VERSION
+    size_t structSize;                    // sizeof(XrNegotiateLoaderInfo)
+    uint32_t minInterfaceVersion;
+    uint32_t maxInterfaceVersion;
+    XrVersion minApiVersion;
+    XrVersion maxApiVersion;
+} XrNegotiateLoaderInfo;
+
+#define XR_API_LAYER_INFO_STRUCT_VERSION 1
+typedef struct XrNegotiateApiLayerRequest {
+    XrLoaderInterfaceStructs structType;  // XR_LOADER_INTERFACE_STRUCT_API_LAYER_REQUEST
+    uint32_t structVersion;               // XR_API_LAYER_INFO_STRUCT_VERSION
+    size_t structSize;                    // sizeof(XrNegotiateApiLayerRequest)
+    uint32_t layerInterfaceVersion;       // CURRENT_LOADER_API_LAYER_VERSION
+    XrVersion layerApiVersion;
+    PFN_xrGetInstanceProcAddr getInstanceProcAddr;
+    PFN_xrCreateApiLayerInstance createApiLayerInstance;
+} XrNegotiateApiLayerRequest;
+
+#define XR_RUNTIME_INFO_STRUCT_VERSION 1
+typedef struct XrNegotiateRuntimeRequest {
+    XrLoaderInterfaceStructs structType;  // XR_LOADER_INTERFACE_STRUCT_RUNTIME_REQUEST
+    uint32_t structVersion;               // XR_RUNTIME_INFO_STRUCT_VERSION
+    size_t structSize;                    // sizeof(XrNegotiateRuntimeRequest)
+    uint32_t runtimeInterfaceVersion;     // CURRENT_LOADER_RUNTIME_VERSION
+    XrVersion runtimeApiVersion;
+    PFN_xrGetInstanceProcAddr getInstanceProcAddr;
+} XrNegotiateRuntimeRequest;
+
+// Function used to negotiate an interface betewen the loader and an API layer.  Each library exposing one or
+// more API layers needs to expose at least this function.
+typedef XrResult(XRAPI_PTR *PFN_xrNegotiateLoaderApiLayerInterface)(const XrNegotiateLoaderInfo *loaderInfo,
+                                                                    const char *apiLayerName,
+                                                                    XrNegotiateApiLayerRequest *apiLayerRequest);
+
+// Function used to negotiate an interface betewen the loader and a runtime.  Each runtime should expose
+// at least this function.
+typedef XrResult(XRAPI_PTR *PFN_xrNegotiateLoaderRuntimeInterface)(const XrNegotiateLoaderInfo *loaderInfo,
+                                                                   XrNegotiateRuntimeRequest *runtimeRequest);
+
+// Forward declare.
+typedef struct XrApiLayerNextInfo XrApiLayerNextInfo;
+
+#define XR_API_LAYER_NEXT_INFO_STRUCT_VERSION 1
+struct XrApiLayerNextInfo {
+    XrLoaderInterfaceStructs structType;                      // XR_LOADER_INTERFACE_STRUCT_API_LAYER_NEXT_INFO
+    uint32_t structVersion;                                   // XR_API_LAYER_NEXT_INFO_STRUCT_VERSION
+    size_t structSize;                                        // sizeof(XrApiLayerNextInfo)
+    char layerName[XR_MAX_API_LAYER_NAME_SIZE];               // Name of API layer which should receive this info
+    PFN_xrGetInstanceProcAddr nextGetInstanceProcAddr;        // Pointer to next API layer's xrGetInstanceProcAddr
+    PFN_xrCreateApiLayerInstance nextCreateApiLayerInstance;  // Pointer to next API layer's xrCreateApiLayerInstance
+    XrApiLayerNextInfo *next;                                 // Pointer to the next API layer info in the sequence
+};
+
+#define XR_API_LAYER_MAX_SETTINGS_PATH_SIZE 512
+#define XR_API_LAYER_CREATE_INFO_STRUCT_VERSION 1
+typedef struct XrApiLayerCreateInfo {
+    XrLoaderInterfaceStructs structType;                               // XR_LOADER_INTERFACE_STRUCT_API_LAYER_CREATE_INFO
+    uint32_t structVersion;                                            // XR_API_LAYER_CREATE_INFO_STRUCT_VERSION
+    size_t structSize;                                                 // sizeof(XrApiLayerCreateInfo)
+    void *loaderInstance;                                              // Pointer to the LoaderInstance class
+    char settings_file_location[XR_API_LAYER_MAX_SETTINGS_PATH_SIZE];  // Location to the found settings file (or empty '\0')
+    XrApiLayerNextInfo *nextInfo;                                      // Pointer to the next API layer's Info
+} XrApiLayerCreateInfo;
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
diff --git a/frame/openxr-compat/vendor/openxr/openxr.h b/frame/openxr-compat/vendor/openxr/openxr.h
new file mode 100644
index 0000000..af56c0f
--- /dev/null
+++ b/frame/openxr-compat/vendor/openxr/openxr.h
@@ -0,0 +1,14911 @@
+#ifndef OPENXR_H_
+#define OPENXR_H_ 1
+
+/*
+** Copyright 2017-2026 The Khronos Group Inc.
+**
+** SPDX-License-Identifier: Apache-2.0 OR MIT
+*/
+
+/*
+** This header is generated from the Khronos OpenXR XML API Registry.
+**
+*/
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+
+// XR_VERSION_1_0 is a preprocessor guard. Do not pass it to API calls.
+#define XR_VERSION_1_0 1
+#include "openxr_platform_defines.h"
+#define XR_MAKE_VERSION(major, minor, patch) \
+    ((((major) & 0xffffULL) << 48) | (((minor) & 0xffffULL) << 32) | ((patch) & 0xffffffffULL))
+
+// OpenXR current version number.
+#define XR_CURRENT_API_VERSION XR_MAKE_VERSION(1, 1, 63)
+
+// OpenXR 1.0 version number
+#define XR_API_VERSION_1_0 XR_MAKE_VERSION(1, 0, XR_VERSION_PATCH(XR_CURRENT_API_VERSION))
+
+#define XR_VERSION_MAJOR(version) (uint16_t)(((uint64_t)(version) >> 48)& 0xffffULL)
+#define XR_VERSION_MINOR(version) (uint16_t)(((uint64_t)(version) >> 32) & 0xffffULL)
+#define XR_VERSION_PATCH(version) (uint32_t)((uint64_t)(version) & 0xffffffffULL)
+
+#define XR_MIN_COMPOSITION_LAYERS_SUPPORTED 16
+
+
+#if !defined(XR_NULL_HANDLE)
+#if (XR_PTR_SIZE == 8) && XR_CPP_NULLPTR_SUPPORTED
+    #define XR_NULL_HANDLE nullptr
+#else
+    #define XR_NULL_HANDLE 0
+#endif
+#endif
+
+
+#define XR_NULL_SYSTEM_ID 0
+
+
+#define XR_NULL_PATH 0
+
+
+#define XR_SUCCEEDED(result) ((result) >= 0)
+
+
+#define XR_FAILED(result) ((result) < 0)
+
+
+#define XR_UNQUALIFIED_SUCCESS(result) ((result) == 0)
+
+
+#define XR_NO_DURATION 0
+
+
+#define XR_INFINITE_DURATION 0x7fffffffffffffffLL
+
+
+#define XR_MIN_HAPTIC_DURATION -1
+
+
+#define XR_FREQUENCY_UNSPECIFIED 0
+
+
+#define XR_MAX_EVENT_DATA_SIZE sizeof(XrEventDataBuffer)
+
+
+#define XR_EXTENSION_ENUM_BASE 1000000000
+
+
+#define XR_EXTENSION_ENUM_STRIDE 1000
+
+
+#if !defined(XR_MAY_ALIAS)
+#if defined(__clang__) || (defined(__GNUC__) && (__GNUC__ > 4))
+#define XR_MAY_ALIAS __attribute__((__may_alias__))
+#else
+#define XR_MAY_ALIAS
+#endif
+#endif
+
+
+#if !defined(XR_DEFINE_HANDLE)
+#if (XR_PTR_SIZE == 8)
+    #define XR_DEFINE_HANDLE(object) typedef struct object##_T* object;
+#else
+    #define XR_DEFINE_HANDLE(object) typedef uint64_t object;
+#endif
+#endif
+
+
+#if !defined(XR_DEFINE_OPAQUE_64)
+    #if (XR_PTR_SIZE == 8)
+        #define XR_DEFINE_OPAQUE_64(object) typedef struct object##_T* object;
+    #else
+        #define XR_DEFINE_OPAQUE_64(object) typedef uint64_t object;
+    #endif
+#endif
+
+
+#if !defined(XR_DEFINE_ATOM)
+    #define XR_DEFINE_ATOM(object) typedef uint64_t object;
+#endif
+
+typedef uint64_t XrVersion;
+typedef uint64_t XrFlags64;
+XR_DEFINE_ATOM(XrSystemId)
+typedef uint32_t XrBool32;
+XR_DEFINE_ATOM(XrPath)
+typedef int64_t XrTime;
+typedef int64_t XrDuration;
+XR_DEFINE_HANDLE(XrInstance)
+XR_DEFINE_HANDLE(XrSession)
+XR_DEFINE_HANDLE(XrSpace)
+XR_DEFINE_HANDLE(XrAction)
+XR_DEFINE_HANDLE(XrSwapchain)
+XR_DEFINE_HANDLE(XrActionSet)
+#define XR_TRUE                           1
+#define XR_FALSE                          0
+#define XR_MAX_EXTENSION_NAME_SIZE        128
+#define XR_MAX_API_LAYER_NAME_SIZE        256
+#define XR_MAX_API_LAYER_DESCRIPTION_SIZE 256
+#define XR_MAX_SYSTEM_NAME_SIZE           256
+#define XR_MAX_APPLICATION_NAME_SIZE      128
+#define XR_MAX_ENGINE_NAME_SIZE           128
+#define XR_MAX_RUNTIME_NAME_SIZE          128
+#define XR_MAX_PATH_LENGTH                256
+#define XR_MAX_STRUCTURE_NAME_SIZE        64
+#define XR_MAX_RESULT_STRING_SIZE         64
+#define XR_MAX_ACTION_SET_NAME_SIZE       64
+#define XR_MAX_LOCALIZED_ACTION_SET_NAME_SIZE 128
+#define XR_MAX_ACTION_NAME_SIZE           64
+#define XR_MAX_LOCALIZED_ACTION_NAME_SIZE 128
+
+typedef enum XrResult {
+    XR_SUCCESS = 0,
+    XR_TIMEOUT_EXPIRED = 1,
+    XR_SESSION_LOSS_PENDING = 3,
+    XR_EVENT_UNAVAILABLE = 4,
+    XR_SPACE_BOUNDS_UNAVAILABLE = 7,
+    XR_SESSION_NOT_FOCUSED = 8,
+    XR_FRAME_DISCARDED = 9,
+    XR_ERROR_VALIDATION_FAILURE = -1,
+    XR_ERROR_RUNTIME_FAILURE = -2,
+    XR_ERROR_OUT_OF_MEMORY = -3,
+    XR_ERROR_API_VERSION_UNSUPPORTED = -4,
+    XR_ERROR_INITIALIZATION_FAILED = -6,
+    XR_ERROR_FUNCTION_UNSUPPORTED = -7,
+    XR_ERROR_FEATURE_UNSUPPORTED = -8,
+    XR_ERROR_EXTENSION_NOT_PRESENT = -9,
+    XR_ERROR_LIMIT_REACHED = -10,
+    XR_ERROR_SIZE_INSUFFICIENT = -11,
+    XR_ERROR_HANDLE_INVALID = -12,
+    XR_ERROR_INSTANCE_LOST = -13,
+    XR_ERROR_SESSION_RUNNING = -14,
+    XR_ERROR_SESSION_NOT_RUNNING = -16,
+    XR_ERROR_SESSION_LOST = -17,
+    XR_ERROR_SYSTEM_INVALID = -18,
+    XR_ERROR_PATH_INVALID = -19,
+    XR_ERROR_PATH_COUNT_EXCEEDED = -20,
+    XR_ERROR_PATH_FORMAT_INVALID = -21,
+    XR_ERROR_PATH_UNSUPPORTED = -22,
+    XR_ERROR_LAYER_INVALID = -23,
+    XR_ERROR_LAYER_LIMIT_EXCEEDED = -24,
+    XR_ERROR_SWAPCHAIN_RECT_INVALID = -25,
+    XR_ERROR_SWAPCHAIN_FORMAT_UNSUPPORTED = -26,
+    XR_ERROR_ACTION_TYPE_MISMATCH = -27,
+    XR_ERROR_SESSION_NOT_READY = -28,
+    XR_ERROR_SESSION_NOT_STOPPING = -29,
+    XR_ERROR_TIME_INVALID = -30,
+    XR_ERROR_REFERENCE_SPACE_UNSUPPORTED = -31,
+    XR_ERROR_FILE_ACCESS_ERROR = -32,
+    XR_ERROR_FILE_CONTENTS_INVALID = -33,
+    XR_ERROR_FORM_FACTOR_UNSUPPORTED = -34,
+    XR_ERROR_FORM_FACTOR_UNAVAILABLE = -35,
+    XR_ERROR_API_LAYER_NOT_PRESENT = -36,
+    XR_ERROR_CALL_ORDER_INVALID = -37,
+    XR_ERROR_GRAPHICS_DEVICE_INVALID = -38,
+    XR_ERROR_POSE_INVALID = -39,
+    XR_ERROR_INDEX_OUT_OF_RANGE = -40,
+    XR_ERROR_VIEW_CONFIGURATION_TYPE_UNSUPPORTED = -41,
+    XR_ERROR_ENVIRONMENT_BLEND_MODE_UNSUPPORTED = -42,
+    XR_ERROR_NAME_DUPLICATED = -44,
+    XR_ERROR_NAME_INVALID = -45,
+    XR_ERROR_ACTIONSET_NOT_ATTACHED = -46,
+    XR_ERROR_ACTIONSETS_ALREADY_ATTACHED = -47,
+    XR_ERROR_LOCALIZED_NAME_DUPLICATED = -48,
+    XR_ERROR_LOCALIZED_NAME_INVALID = -49,
+    XR_ERROR_GRAPHICS_REQUIREMENTS_CALL_MISSING = -50,
+    XR_ERROR_RUNTIME_UNAVAILABLE = -51,
+    XR_ERROR_EXTENSION_DEPENDENCY_NOT_ENABLED = -1000710001,
+    XR_ERROR_PERMISSION_INSUFFICIENT = -1000710000,
+    XR_ERROR_ANDROID_THREAD_SETTINGS_ID_INVALID_KHR = -1000003000,
+    XR_ERROR_ANDROID_THREAD_SETTINGS_FAILURE_KHR = -1000003001,
+    XR_ERROR_CREATE_SPATIAL_ANCHOR_FAILED_MSFT = -1000039001,
+    XR_ERROR_SECONDARY_VIEW_CONFIGURATION_TYPE_NOT_ENABLED_MSFT = -1000053000,
+    XR_ERROR_CONTROLLER_MODEL_KEY_INVALID_MSFT = -1000055000,
+    XR_ERROR_REPROJECTION_MODE_UNSUPPORTED_MSFT = -1000066000,
+    XR_ERROR_COMPUTE_NEW_SCENE_NOT_COMPLETED_MSFT = -1000097000,
+    XR_ERROR_SCENE_COMPONENT_ID_INVALID_MSFT = -1000097001,
+    XR_ERROR_SCENE_COMPONENT_TYPE_MISMATCH_MSFT = -1000097002,
+    XR_ERROR_SCENE_MESH_BUFFER_ID_INVALID_MSFT = -1000097003,
+    XR_ERROR_SCENE_COMPUTE_FEATURE_INCOMPATIBLE_MSFT = -1000097004,
+    XR_ERROR_SCENE_COMPUTE_CONSISTENCY_MISMATCH_MSFT = -1000097005,
+    XR_ERROR_DISPLAY_REFRESH_RATE_UNSUPPORTED_FB = -1000101000,
+    XR_ERROR_COLOR_SPACE_UNSUPPORTED_FB = -1000108000,
+    XR_ERROR_SPACE_COMPONENT_NOT_SUPPORTED_FB = -1000113000,
+    XR_ERROR_SPACE_COMPONENT_NOT_ENABLED_FB = -1000113001,
+    XR_ERROR_SPACE_COMPONENT_STATUS_PENDING_FB = -1000113002,
+    XR_ERROR_SPACE_COMPONENT_STATUS_ALREADY_SET_FB = -1000113003,
+    XR_ERROR_UNEXPECTED_STATE_PASSTHROUGH_FB = -1000118000,
+    XR_ERROR_FEATURE_ALREADY_CREATED_PASSTHROUGH_FB = -1000118001,
+    XR_ERROR_FEATURE_REQUIRED_PASSTHROUGH_FB = -1000118002,
+    XR_ERROR_NOT_PERMITTED_PASSTHROUGH_FB = -1000118003,
+    XR_ERROR_INSUFFICIENT_RESOURCES_PASSTHROUGH_FB = -1000118004,
+    XR_ERROR_UNKNOWN_PASSTHROUGH_FB = -1000118050,
+    XR_ERROR_RENDER_MODEL_KEY_INVALID_FB = -1000119000,
+    XR_RENDER_MODEL_UNAVAILABLE_FB = 1000119020,
+    XR_ERROR_MARKER_NOT_TRACKED_VARJO = -1000124000,
+    XR_ERROR_MARKER_ID_INVALID_VARJO = -1000124001,
+    XR_ERROR_MARKER_DETECTOR_PERMISSION_DENIED_ML = -1000138000,
+    XR_ERROR_MARKER_DETECTOR_LOCATE_FAILED_ML = -1000138001,
+    XR_ERROR_MARKER_DETECTOR_INVALID_DATA_QUERY_ML = -1000138002,
+    XR_ERROR_MARKER_DETECTOR_INVALID_CREATE_INFO_ML = -1000138003,
+    XR_ERROR_MARKER_INVALID_ML = -1000138004,
+    XR_ERROR_LOCALIZATION_MAP_INCOMPATIBLE_ML = -1000139000,
+    XR_ERROR_LOCALIZATION_MAP_UNAVAILABLE_ML = -1000139001,
+    XR_ERROR_LOCALIZATION_MAP_FAIL_ML = -1000139002,
+    XR_ERROR_LOCALIZATION_MAP_IMPORT_EXPORT_PERMISSION_DENIED_ML = -1000139003,
+    XR_ERROR_LOCALIZATION_MAP_PERMISSION_DENIED_ML = -1000139004,
+    XR_ERROR_LOCALIZATION_MAP_ALREADY_EXISTS_ML = -1000139005,
+    XR_ERROR_LOCALIZATION_MAP_CANNOT_EXPORT_CLOUD_MAP_ML = -1000139006,
+    XR_ERROR_SPATIAL_ANCHORS_PERMISSION_DENIED_ML = -1000140000,
+    XR_ERROR_SPATIAL_ANCHORS_NOT_LOCALIZED_ML = -1000140001,
+    XR_ERROR_SPATIAL_ANCHORS_OUT_OF_MAP_BOUNDS_ML = -1000140002,
+    XR_ERROR_SPATIAL_ANCHORS_SPACE_NOT_LOCATABLE_ML = -1000140003,
+    XR_ERROR_SPATIAL_ANCHORS_ANCHOR_NOT_FOUND_ML = -1000141000,
+    XR_ERROR_SPATIAL_ANCHOR_NAME_NOT_FOUND_MSFT = -1000142001,
+    XR_ERROR_SPATIAL_ANCHOR_NAME_INVALID_MSFT = -1000142002,
+    XR_SCENE_MARKER_DATA_NOT_STRING_MSFT = 1000147000,
+    XR_ERROR_SPACE_MAPPING_INSUFFICIENT_FB = -1000169000,
+    XR_ERROR_SPACE_LOCALIZATION_FAILED_FB = -1000169001,
+    XR_ERROR_SPACE_NETWORK_TIMEOUT_FB = -1000169002,
+    XR_ERROR_SPACE_NETWORK_REQUEST_FAILED_FB = -1000169003,
+    XR_ERROR_SPACE_CLOUD_STORAGE_DISABLED_FB = -1000169004,
+    XR_ERROR_SPACE_INSUFFICIENT_RESOURCES_META = -1000259000,
+    XR_ERROR_SPACE_STORAGE_AT_CAPACITY_META = -1000259001,
+    XR_ERROR_SPACE_INSUFFICIENT_VIEW_META = -1000259002,
+    XR_ERROR_SPACE_PERMISSION_INSUFFICIENT_META = -1000259003,
+    XR_ERROR_SPACE_RATE_LIMITED_META = -1000259004,
+    XR_ERROR_SPACE_TOO_DARK_META = -1000259005,
+    XR_ERROR_SPACE_TOO_BRIGHT_META = -1000259006,
+    XR_ERROR_PASSTHROUGH_COLOR_LUT_BUFFER_SIZE_MISMATCH_META = -1000266000,
+    XR_ENVIRONMENT_DEPTH_NOT_AVAILABLE_META = 1000291000,
+    XR_ERROR_RENDER_MODEL_ID_INVALID_EXT = -1000300000,
+    XR_ERROR_RENDER_MODEL_ASSET_UNAVAILABLE_EXT = -1000300001,
+    XR_ERROR_RENDER_MODEL_GLTF_EXTENSION_REQUIRED_EXT = -1000300002,
+    XR_ERROR_NOT_INTERACTION_RENDER_MODEL_EXT = -1000301000,
+    XR_ERROR_HINT_ALREADY_SET_QCOM = -1000306000,
+    XR_ERROR_NOT_AN_ANCHOR_HTC = -1000319000,
+    XR_ERROR_SPATIAL_ENTITY_ID_INVALID_BD = -1000389000,
+    XR_ERROR_SPATIAL_SENSING_SERVICE_UNAVAILABLE_BD = -1000389001,
+    XR_ERROR_ANCHOR_NOT_SUPPORTED_FOR_ENTITY_BD = -1000389002,
+    XR_ERROR_SPATIAL_ANCHOR_NOT_FOUND_BD = -1000390000,
+    XR_ERROR_SPATIAL_ANCHOR_SHARING_NETWORK_TIMEOUT_BD = -1000391000,
+    XR_ERROR_SPATIAL_ANCHOR_SHARING_AUTHENTICATION_FAILURE_BD = -1000391001,
+    XR_ERROR_SPATIAL_ANCHOR_SHARING_NETWORK_FAILURE_BD = -1000391002,
+    XR_ERROR_SPATIAL_ANCHOR_SHARING_LOCALIZATION_FAIL_BD = -1000391003,
+    XR_ERROR_SPATIAL_ANCHOR_SHARING_MAP_INSUFFICIENT_BD = -1000391004,
+    XR_ERROR_SCENE_CAPTURE_FAILURE_BD = -1000392000,
+    XR_ERROR_SPACE_NOT_LOCATABLE_EXT = -1000429000,
+    XR_ERROR_PLANE_DETECTION_PERMISSION_DENIED_EXT = -1000429001,
+    XR_ERROR_MISMATCHING_TRACKABLE_TYPE_ANDROID = -1000455000,
+    XR_ERROR_TRACKABLE_TYPE_NOT_SUPPORTED_ANDROID = -1000455001,
+    XR_ERROR_ANCHOR_ID_NOT_FOUND_ANDROID = -1000457000,
+    XR_ERROR_ANCHOR_ALREADY_PERSISTED_ANDROID = -1000457001,
+    XR_ERROR_ANCHOR_NOT_TRACKING_ANDROID = -1000457002,
+    XR_ERROR_PERSISTED_DATA_NOT_READY_ANDROID = -1000457003,
+    XR_ERROR_SERVICE_NOT_READY_ANDROID = -1000458000,
+    XR_ERROR_MESH_DATA_LIMIT_EXCEEDED_ANDROID = -1000462000,
+    XR_ERROR_FUTURE_PENDING_EXT = -1000469001,
+    XR_ERROR_FUTURE_INVALID_EXT = -1000469002,
+    XR_ERROR_SYSTEM_NOTIFICATION_PERMISSION_DENIED_ML = -1000473000,
+    XR_ERROR_SYSTEM_NOTIFICATION_INCOMPATIBLE_SKU_ML = -1000473001,
+    XR_ERROR_WORLD_MESH_DETECTOR_PERMISSION_DENIED_ML = -1000474000,
+    XR_ERROR_WORLD_MESH_DETECTOR_SPACE_NOT_LOCATABLE_ML = -1000474001,
+    XR_ERROR_FACIAL_EXPRESSION_PERMISSION_DENIED_ML = 1000482000,
+    XR_BOUNDARY_VISIBILITY_SUPPRESSION_NOT_ALLOWED_META = 1000528000,
+    XR_ERROR_COLOCATION_DISCOVERY_NETWORK_FAILED_META = -1000571001,
+    XR_ERROR_COLOCATION_DISCOVERY_NO_DISCOVERY_METHOD_META = -1000571002,
+    XR_COLOCATION_DISCOVERY_ALREADY_ADVERTISING_META = 1000571003,
+    XR_COLOCATION_DISCOVERY_ALREADY_DISCOVERING_META = 1000571004,
+    XR_ERROR_SPACE_GROUP_NOT_FOUND_META = -1000572002,
+    XR_ERROR_ANCHOR_NOT_OWNED_BY_CALLER_ANDROID = -1000701000,
+    XR_ERROR_IMAGE_FORMAT_UNSUPPORTED_ANDROID = -1000709000,
+    XR_ERROR_SPATIAL_CAPABILITY_UNSUPPORTED_EXT = -1000740001,
+    XR_ERROR_SPATIAL_ENTITY_ID_INVALID_EXT = -1000740002,
+    XR_ERROR_SPATIAL_BUFFER_ID_INVALID_EXT = -1000740003,
+    XR_ERROR_SPATIAL_COMPONENT_UNSUPPORTED_FOR_CAPABILITY_EXT = -1000740004,
+    XR_ERROR_SPATIAL_CAPABILITY_CONFIGURATION_INVALID_EXT = -1000740005,
+    XR_ERROR_SPATIAL_COMPONENT_NOT_ENABLED_EXT = -1000740006,
+    XR_ERROR_CAMERA_UNAVAILABLE_BD = -1000755000,
+    XR_ERROR_CAMERA_OCCUPIED_BD = -1000755001,
+    XR_ERROR_CAMERA_CAPTURE_SESSION_CAPTURING_BD = -1000755002,
+    XR_ERROR_CAMERA_CAPTURE_SESSION_NOT_CAPTURING_BD = -1000755003,
+    XR_ERROR_CAMERA_ID_INVALID_BD = -1000755004,
+    XR_ERROR_CAMERA_IMAGE_ID_INVALID_BD = -1000755005,
+    XR_ERROR_CAMERA_PROPERTY_TYPE_INVALID_BD = -1000755006,
+    XR_ERROR_CAMERA_CAPABILITY_TYPE_INVALID_BD = -1000755007,
+    XR_ERROR_IMAGE_BUFFER_EXHAUSTED_BD = -1000755008,
+    XR_ERROR_SPATIAL_PERSISTENCE_SCOPE_UNSUPPORTED_EXT = -1000763001,
+    XR_ERROR_SPATIAL_PERSISTENCE_SCOPE_INCOMPATIBLE_EXT = -1000781001,
+    XR_ERROR_SPATIAL_IMAGE_FORMAT_UNSUPPORTED_EXT = -1000782001,
+    XR_ERROR_SPATIAL_IMAGE_INVALID_EXT = -1000782002,
+    XR_ERROR_SPATIAL_IMAGE_SIZE_MISSING_EXT = -1000782003,
+    XR_ERROR_KEYLESS_AUTH_NOT_SETUP_ANDROID = -1000787000,
+    XR_ERROR_KEYLESS_AUTH_FAILED_ANDROID = -1000787001,
+    XR_ERROR_GEOSPATIAL_TRACKER_NOT_RUNNING_ANDROID = -1000789000,
+    XR_ERROR_GEOSPATIAL_COORDINATES_INVALID_ANDROID = -1000789001,
+    XR_ERROR_GEOSPATIAL_CLOUD_AUTH_FAILED_ANDROID = -1000789002,
+    XR_ERROR_SPATIAL_ANCHOR_ATTACHABLE_COMPONENT_NOT_FOUND_ANDROID = -1000790001,
+    XR_ERROR_SPATIAL_ANCHOR_ENTITY_ID_INVALID_ANDROID = -1000795001,
+    XR_ERROR_SURFACE_ANCHOR_LOCATION_UNSUPPORTED_ANDROID = -1000797000,
+    XR_ERROR_SPATIAL_CONTAINER_CLOSED_EXT = -1000810000,
+    XR_ERROR_SPATIAL_CONTAINERS_ENABLED_EXT = -1000810001,
+    XR_ERROR_SPATIAL_CONTAINERS_NOT_ENABLED_EXT = -1000810002,
+    XR_ERROR_COMPATIBLE_SPATIAL_CONTAINER_MISSING_EXT = -1000810003,
+    XR_ERROR_SPATIAL_CONTAINER_IS_RENDERING_EXT = -1000813001,
+    XR_ERROR_SPATIAL_CONTAINER_NOT_RENDERING_EXT = -1000813002,
+    XR_ERROR_SPATIAL_CONTAINER_MISSING_EXT = -1000813003,
+    XR_ERROR_SPATIAL_CONTAINER_DUPLICATE_EXT = -1000813004,
+    XR_ERROR_SPATIAL_CONTAINER_GRAPHICS_PRESENTATION_MISSING_EXT = -1000813005,
+    XR_ERROR_EXTENSION_DEPENDENCY_NOT_ENABLED_KHR = XR_ERROR_EXTENSION_DEPENDENCY_NOT_ENABLED,
+    XR_ERROR_PERMISSION_INSUFFICIENT_KHR = XR_ERROR_PERMISSION_INSUFFICIENT,
+    XR_RESULT_MAX_ENUM = 0x7FFFFFFF
+} XrResult;
+
+typedef enum XrStructureType {
+    XR_TYPE_UNKNOWN = 0,
+    XR_TYPE_API_LAYER_PROPERTIES = 1,
+    XR_TYPE_EXTENSION_PROPERTIES = 2,
+    XR_TYPE_INSTANCE_CREATE_INFO = 3,
+    XR_TYPE_SYSTEM_GET_INFO = 4,
+    XR_TYPE_SYSTEM_PROPERTIES = 5,
+    XR_TYPE_VIEW_LOCATE_INFO = 6,
+    XR_TYPE_VIEW = 7,
+    XR_TYPE_SESSION_CREATE_INFO = 8,
+    XR_TYPE_SWAPCHAIN_CREATE_INFO = 9,
+    XR_TYPE_SESSION_BEGIN_INFO = 10,
+    XR_TYPE_VIEW_STATE = 11,
+    XR_TYPE_FRAME_END_INFO = 12,
+    XR_TYPE_HAPTIC_VIBRATION = 13,
+    XR_TYPE_EVENT_DATA_BUFFER = 16,
+    XR_TYPE_EVENT_DATA_INSTANCE_LOSS_PENDING = 17,
+    XR_TYPE_EVENT_DATA_SESSION_STATE_CHANGED = 18,
+    XR_TYPE_ACTION_STATE_BOOLEAN = 23,
+    XR_TYPE_ACTION_STATE_FLOAT = 24,
+    XR_TYPE_ACTION_STATE_VECTOR2F = 25,
+    XR_TYPE_ACTION_STATE_POSE = 27,
+    XR_TYPE_ACTION_SET_CREATE_INFO = 28,
+    XR_TYPE_ACTION_CREATE_INFO = 29,
+    XR_TYPE_INSTANCE_PROPERTIES = 32,
+    XR_TYPE_FRAME_WAIT_INFO = 33,
+    XR_TYPE_COMPOSITION_LAYER_PROJECTION = 35,
+    XR_TYPE_COMPOSITION_LAYER_QUAD = 36,
+    XR_TYPE_REFERENCE_SPACE_CREATE_INFO = 37,
+    XR_TYPE_ACTION_SPACE_CREATE_INFO = 38,
+    XR_TYPE_EVENT_DATA_REFERENCE_SPACE_CHANGE_PENDING = 40,
+    XR_TYPE_VIEW_CONFIGURATION_VIEW = 41,
+    XR_TYPE_SPACE_LOCATION = 42,
+    XR_TYPE_SPACE_VELOCITY = 43,
+    XR_TYPE_FRAME_STATE = 44,
+    XR_TYPE_VIEW_CONFIGURATION_PROPERTIES = 45,
+    XR_TYPE_FRAME_BEGIN_INFO = 46,
+    XR_TYPE_COMPOSITION_LAYER_PROJECTION_VIEW = 48,
+    XR_TYPE_EVENT_DATA_EVENTS_LOST = 49,
+    XR_TYPE_INTERACTION_PROFILE_SUGGESTED_BINDING = 51,
+    XR_TYPE_EVENT_DATA_INTERACTION_PROFILE_CHANGED = 52,
+    XR_TYPE_INTERACTION_PROFILE_STATE = 53,
+    XR_TYPE_SWAPCHAIN_IMAGE_ACQUIRE_INFO = 55,
+    XR_TYPE_SWAPCHAIN_IMAGE_WAIT_INFO = 56,
+    XR_TYPE_SWAPCHAIN_IMAGE_RELEASE_INFO = 57,
+    XR_TYPE_ACTION_STATE_GET_INFO = 58,
+    XR_TYPE_HAPTIC_ACTION_INFO = 59,
+    XR_TYPE_SESSION_ACTION_SETS_ATTACH_INFO = 60,
+    XR_TYPE_ACTIONS_SYNC_INFO = 61,
+    XR_TYPE_BOUND_SOURCES_FOR_ACTION_ENUMERATE_INFO = 62,
+    XR_TYPE_INPUT_SOURCE_LOCALIZED_NAME_GET_INFO = 63,
+    XR_TYPE_SPACES_LOCATE_INFO = 1000471000,
+    XR_TYPE_SPACE_LOCATIONS = 1000471001,
+    XR_TYPE_SPACE_VELOCITIES = 1000471002,
+    XR_TYPE_COMPOSITION_LAYER_CUBE_KHR = 1000006000,
+    XR_TYPE_INSTANCE_CREATE_INFO_ANDROID_KHR = 1000008000,
+    XR_TYPE_COMPOSITION_LAYER_DEPTH_INFO_KHR = 1000010000,
+    XR_TYPE_VULKAN_SWAPCHAIN_FORMAT_LIST_CREATE_INFO_KHR = 1000014000,
+    XR_TYPE_EVENT_DATA_PERF_SETTINGS_EXT = 1000015000,
+    XR_TYPE_COMPOSITION_LAYER_CYLINDER_KHR = 1000017000,
+    XR_TYPE_COMPOSITION_LAYER_EQUIRECT_KHR = 1000018000,
+    XR_TYPE_DEBUG_UTILS_OBJECT_NAME_INFO_EXT = 1000019000,
+    XR_TYPE_DEBUG_UTILS_MESSENGER_CALLBACK_DATA_EXT = 1000019001,
+    XR_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT = 1000019002,
+    XR_TYPE_DEBUG_UTILS_LABEL_EXT = 1000019003,
+    XR_TYPE_GRAPHICS_BINDING_OPENGL_WIN32_KHR = 1000023000,
+    XR_TYPE_GRAPHICS_BINDING_OPENGL_XLIB_KHR = 1000023001,
+    XR_TYPE_GRAPHICS_BINDING_OPENGL_XCB_KHR = 1000023002,
+    XR_TYPE_GRAPHICS_BINDING_OPENGL_WAYLAND_KHR = 1000023003,
+    XR_TYPE_SWAPCHAIN_IMAGE_OPENGL_KHR = 1000023004,
+    XR_TYPE_GRAPHICS_REQUIREMENTS_OPENGL_KHR = 1000023005,
+    XR_TYPE_GRAPHICS_BINDING_OPENGL_ES_ANDROID_KHR = 1000024001,
+    XR_TYPE_SWAPCHAIN_IMAGE_OPENGL_ES_KHR = 1000024002,
+    XR_TYPE_GRAPHICS_REQUIREMENTS_OPENGL_ES_KHR = 1000024003,
+    XR_TYPE_GRAPHICS_BINDING_VULKAN_KHR = 1000025000,
+    XR_TYPE_SWAPCHAIN_IMAGE_VULKAN_KHR = 1000025001,
+    XR_TYPE_GRAPHICS_REQUIREMENTS_VULKAN_KHR = 1000025002,
+    XR_TYPE_GRAPHICS_BINDING_D3D11_KHR = 1000027000,
+    XR_TYPE_SWAPCHAIN_IMAGE_D3D11_KHR = 1000027001,
+    XR_TYPE_GRAPHICS_REQUIREMENTS_D3D11_KHR = 1000027002,
+    XR_TYPE_GRAPHICS_BINDING_D3D12_KHR = 1000028000,
+    XR_TYPE_SWAPCHAIN_IMAGE_D3D12_KHR = 1000028001,
+    XR_TYPE_GRAPHICS_REQUIREMENTS_D3D12_KHR = 1000028002,
+    XR_TYPE_GRAPHICS_BINDING_METAL_KHR = 1000029000,
+    XR_TYPE_SWAPCHAIN_IMAGE_METAL_KHR = 1000029001,
+    XR_TYPE_GRAPHICS_REQUIREMENTS_METAL_KHR = 1000029002,
+    XR_TYPE_SYSTEM_EYE_GAZE_INTERACTION_PROPERTIES_EXT = 1000030000,
+    XR_TYPE_EYE_GAZE_SAMPLE_TIME_EXT = 1000030001,
+    XR_TYPE_VISIBILITY_MASK_KHR = 1000031000,
+    XR_TYPE_EVENT_DATA_VISIBILITY_MASK_CHANGED_KHR = 1000031001,
+    XR_TYPE_SESSION_CREATE_INFO_OVERLAY_EXTX = 1000033000,
+    XR_TYPE_EVENT_DATA_MAIN_SESSION_VISIBILITY_CHANGED_EXTX = 1000033003,
+    XR_TYPE_COMPOSITION_LAYER_COLOR_SCALE_BIAS_KHR = 1000034000,
+    XR_TYPE_SPATIAL_ANCHOR_CREATE_INFO_MSFT = 1000039000,
+    XR_TYPE_SPATIAL_ANCHOR_SPACE_CREATE_INFO_MSFT = 1000039001,
+    XR_TYPE_COMPOSITION_LAYER_IMAGE_LAYOUT_FB = 1000040000,
+    XR_TYPE_COMPOSITION_LAYER_ALPHA_BLEND_FB = 1000041001,
+    XR_TYPE_VIEW_CONFIGURATION_DEPTH_RANGE_EXT = 1000046000,
+    XR_TYPE_GRAPHICS_BINDING_EGL_MNDX = 1000048004,
+    XR_TYPE_SPATIAL_GRAPH_NODE_SPACE_CREATE_INFO_MSFT = 1000049000,
+    XR_TYPE_SPATIAL_GRAPH_STATIC_NODE_BINDING_CREATE_INFO_MSFT = 1000049001,
+    XR_TYPE_SPATIAL_GRAPH_NODE_BINDING_PROPERTIES_GET_INFO_MSFT = 1000049002,
+    XR_TYPE_SPATIAL_GRAPH_NODE_BINDING_PROPERTIES_MSFT = 1000049003,
+    XR_TYPE_SYSTEM_HAND_TRACKING_PROPERTIES_EXT = 1000051000,
+    XR_TYPE_HAND_TRACKER_CREATE_INFO_EXT = 1000051001,
+    XR_TYPE_HAND_JOINTS_LOCATE_INFO_EXT = 1000051002,
+    XR_TYPE_HAND_JOINT_LOCATIONS_EXT = 1000051003,
+    XR_TYPE_HAND_JOINT_VELOCITIES_EXT = 1000051004,
+    XR_TYPE_SYSTEM_HAND_TRACKING_MESH_PROPERTIES_MSFT = 1000052000,
+    XR_TYPE_HAND_MESH_SPACE_CREATE_INFO_MSFT = 1000052001,
+    XR_TYPE_HAND_MESH_UPDATE_INFO_MSFT = 1000052002,
+    XR_TYPE_HAND_MESH_MSFT = 1000052003,
+    XR_TYPE_HAND_POSE_TYPE_INFO_MSFT = 1000052004,
+    XR_TYPE_SECONDARY_VIEW_CONFIGURATION_SESSION_BEGIN_INFO_MSFT = 1000053000,
+    XR_TYPE_SECONDARY_VIEW_CONFIGURATION_STATE_MSFT = 1000053001,
+    XR_TYPE_SECONDARY_VIEW_CONFIGURATION_FRAME_STATE_MSFT = 1000053002,
+    XR_TYPE_SECONDARY_VIEW_CONFIGURATION_FRAME_END_INFO_MSFT = 1000053003,
+    XR_TYPE_SECONDARY_VIEW_CONFIGURATION_LAYER_INFO_MSFT = 1000053004,
+    XR_TYPE_SECONDARY_VIEW_CONFIGURATION_SWAPCHAIN_CREATE_INFO_MSFT = 1000053005,
+    XR_TYPE_CONTROLLER_MODEL_KEY_STATE_MSFT = 1000055000,
+    XR_TYPE_CONTROLLER_MODEL_NODE_PROPERTIES_MSFT = 1000055001,
+    XR_TYPE_CONTROLLER_MODEL_PROPERTIES_MSFT = 1000055002,
+    XR_TYPE_CONTROLLER_MODEL_NODE_STATE_MSFT = 1000055003,
+    XR_TYPE_CONTROLLER_MODEL_STATE_MSFT = 1000055004,
+    XR_TYPE_VIEW_CONFIGURATION_VIEW_FOV_EPIC = 1000059000,
+    XR_TYPE_HOLOGRAPHIC_WINDOW_ATTACHMENT_MSFT = 1000063000,
+    XR_TYPE_COMPOSITION_LAYER_REPROJECTION_INFO_MSFT = 1000066000,
+    XR_TYPE_COMPOSITION_LAYER_REPROJECTION_PLANE_OVERRIDE_MSFT = 1000066001,
+    XR_TYPE_ANDROID_SURFACE_SWAPCHAIN_CREATE_INFO_FB = 1000070000,
+    XR_TYPE_COMPOSITION_LAYER_SECURE_CONTENT_FB = 1000072000,
+    XR_TYPE_BODY_TRACKER_CREATE_INFO_FB = 1000076001,
+    XR_TYPE_BODY_JOINTS_LOCATE_INFO_FB = 1000076002,
+    XR_TYPE_SYSTEM_BODY_TRACKING_PROPERTIES_FB = 1000076004,
+    XR_TYPE_BODY_JOINT_LOCATIONS_FB = 1000076005,
+    XR_TYPE_BODY_SKELETON_FB = 1000076006,
+    XR_TYPE_INTERACTION_PROFILE_DPAD_BINDING_EXT = 1000078000,
+    XR_TYPE_INTERACTION_PROFILE_ANALOG_THRESHOLD_VALVE = 1000079000,
+    XR_TYPE_HAND_JOINTS_MOTION_RANGE_INFO_EXT = 1000080000,
+    XR_TYPE_LOADER_INIT_INFO_ANDROID_KHR = 1000089000,
+    XR_TYPE_VULKAN_INSTANCE_CREATE_INFO_KHR = 1000090000,
+    XR_TYPE_VULKAN_DEVICE_CREATE_INFO_KHR = 1000090001,
+    XR_TYPE_VULKAN_GRAPHICS_DEVICE_GET_INFO_KHR = 1000090003,
+    XR_TYPE_COMPOSITION_LAYER_EQUIRECT2_KHR = 1000091000,
+    XR_TYPE_SCENE_OBSERVER_CREATE_INFO_MSFT = 1000097000,
+    XR_TYPE_SCENE_CREATE_INFO_MSFT = 1000097001,
+    XR_TYPE_NEW_SCENE_COMPUTE_INFO_MSFT = 1000097002,
+    XR_TYPE_VISUAL_MESH_COMPUTE_LOD_INFO_MSFT = 1000097003,
+    XR_TYPE_SCENE_COMPONENTS_MSFT = 1000097004,
+    XR_TYPE_SCENE_COMPONENTS_GET_INFO_MSFT = 1000097005,
+    XR_TYPE_SCENE_COMPONENT_LOCATIONS_MSFT = 1000097006,
+    XR_TYPE_SCENE_COMPONENTS_LOCATE_INFO_MSFT = 1000097007,
+    XR_TYPE_SCENE_OBJECTS_MSFT = 1000097008,
+    XR_TYPE_SCENE_COMPONENT_PARENT_FILTER_INFO_MSFT = 1000097009,
+    XR_TYPE_SCENE_OBJECT_TYPES_FILTER_INFO_MSFT = 1000097010,
+    XR_TYPE_SCENE_PLANES_MSFT = 1000097011,
+    XR_TYPE_SCENE_PLANE_ALIGNMENT_FILTER_INFO_MSFT = 1000097012,
+    XR_TYPE_SCENE_MESHES_MSFT = 1000097013,
+    XR_TYPE_SCENE_MESH_BUFFERS_GET_INFO_MSFT = 1000097014,
+    XR_TYPE_SCENE_MESH_BUFFERS_MSFT = 1000097015,
+    XR_TYPE_SCENE_MESH_VERTEX_BUFFER_MSFT = 1000097016,
+    XR_TYPE_SCENE_MESH_INDICES_UINT32_MSFT = 1000097017,
+    XR_TYPE_SCENE_MESH_INDICES_UINT16_MSFT = 1000097018,
+    XR_TYPE_SERIALIZED_SCENE_FRAGMENT_DATA_GET_INFO_MSFT = 1000098000,
+    XR_TYPE_SCENE_DESERIALIZE_INFO_MSFT = 1000098001,
+    XR_TYPE_EVENT_DATA_DISPLAY_REFRESH_RATE_CHANGED_FB = 1000101000,
+    XR_TYPE_VIVE_TRACKER_PATHS_HTCX = 1000103000,
+    XR_TYPE_EVENT_DATA_VIVE_TRACKER_CONNECTED_HTCX = 1000103001,
+    XR_TYPE_SYSTEM_FACIAL_TRACKING_PROPERTIES_HTC = 1000104000,
+    XR_TYPE_FACIAL_TRACKER_CREATE_INFO_HTC = 1000104001,
+    XR_TYPE_FACIAL_EXPRESSIONS_HTC = 1000104002,
+    XR_TYPE_SYSTEM_COLOR_SPACE_PROPERTIES_FB = 1000108000,
+    XR_TYPE_HAND_TRACKING_MESH_FB = 1000110001,
+    XR_TYPE_HAND_TRACKING_SCALE_FB = 1000110003,
+    XR_TYPE_HAND_TRACKING_AIM_STATE_FB = 1000111001,
+    XR_TYPE_HAND_TRACKING_CAPSULES_STATE_FB = 1000112000,
+    XR_TYPE_SYSTEM_SPATIAL_ENTITY_PROPERTIES_FB = 1000113004,
+    XR_TYPE_SPATIAL_ANCHOR_CREATE_INFO_FB = 1000113003,
+    XR_TYPE_SPACE_COMPONENT_STATUS_SET_INFO_FB = 1000113007,
+    XR_TYPE_SPACE_COMPONENT_STATUS_FB = 1000113001,
+    XR_TYPE_EVENT_DATA_SPATIAL_ANCHOR_CREATE_COMPLETE_FB = 1000113005,
+    XR_TYPE_EVENT_DATA_SPACE_SET_STATUS_COMPLETE_FB = 1000113006,
+    XR_TYPE_FOVEATION_PROFILE_CREATE_INFO_FB = 1000114000,
+    XR_TYPE_SWAPCHAIN_CREATE_INFO_FOVEATION_FB = 1000114001,
+    XR_TYPE_SWAPCHAIN_STATE_FOVEATION_FB = 1000114002,
+    XR_TYPE_FOVEATION_LEVEL_PROFILE_CREATE_INFO_FB = 1000115000,
+    XR_TYPE_KEYBOARD_SPACE_CREATE_INFO_FB = 1000116009,
+    XR_TYPE_KEYBOARD_TRACKING_QUERY_FB = 1000116004,
+    XR_TYPE_SYSTEM_KEYBOARD_TRACKING_PROPERTIES_FB = 1000116002,
+    XR_TYPE_TRIANGLE_MESH_CREATE_INFO_FB = 1000117001,
+    XR_TYPE_SYSTEM_PASSTHROUGH_PROPERTIES_FB = 1000118000,
+    XR_TYPE_PASSTHROUGH_CREATE_INFO_FB = 1000118001,
+    XR_TYPE_PASSTHROUGH_LAYER_CREATE_INFO_FB = 1000118002,
+    XR_TYPE_COMPOSITION_LAYER_PASSTHROUGH_FB = 1000118003,
+    XR_TYPE_GEOMETRY_INSTANCE_CREATE_INFO_FB = 1000118004,
+    XR_TYPE_GEOMETRY_INSTANCE_TRANSFORM_FB = 1000118005,
+    XR_TYPE_SYSTEM_PASSTHROUGH_PROPERTIES2_FB = 1000118006,
+    XR_TYPE_PASSTHROUGH_STYLE_FB = 1000118020,
+    XR_TYPE_PASSTHROUGH_COLOR_MAP_MONO_TO_RGBA_FB = 1000118021,
+    XR_TYPE_PASSTHROUGH_COLOR_MAP_MONO_TO_MONO_FB = 1000118022,
+    XR_TYPE_PASSTHROUGH_BRIGHTNESS_CONTRAST_SATURATION_FB = 1000118023,
+    XR_TYPE_EVENT_DATA_PASSTHROUGH_STATE_CHANGED_FB = 1000118030,
+    XR_TYPE_RENDER_MODEL_PATH_INFO_FB = 1000119000,
+    XR_TYPE_RENDER_MODEL_PROPERTIES_FB = 1000119001,
+    XR_TYPE_RENDER_MODEL_BUFFER_FB = 1000119002,
+    XR_TYPE_RENDER_MODEL_LOAD_INFO_FB = 1000119003,
+    XR_TYPE_SYSTEM_RENDER_MODEL_PROPERTIES_FB = 1000119004,
+    XR_TYPE_RENDER_MODEL_CAPABILITIES_REQUEST_FB = 1000119005,
+    XR_TYPE_BINDING_MODIFICATIONS_KHR = 1000120000,
+    XR_TYPE_VIEW_LOCATE_FOVEATED_RENDERING_VARJO = 1000121000,
+    XR_TYPE_FOVEATED_VIEW_CONFIGURATION_VIEW_VARJO = 1000121001,
+    XR_TYPE_SYSTEM_FOVEATED_RENDERING_PROPERTIES_VARJO = 1000121002,
+    XR_TYPE_COMPOSITION_LAYER_DEPTH_TEST_VARJO = 1000122000,
+    XR_TYPE_SYSTEM_MARKER_TRACKING_PROPERTIES_VARJO = 1000124000,
+    XR_TYPE_EVENT_DATA_MARKER_TRACKING_UPDATE_VARJO = 1000124001,
+    XR_TYPE_MARKER_SPACE_CREATE_INFO_VARJO = 1000124002,
+    XR_TYPE_FRAME_END_INFO_ML = 1000135000,
+    XR_TYPE_GLOBAL_DIMMER_FRAME_END_INFO_ML = 1000136000,
+    XR_TYPE_COORDINATE_SPACE_CREATE_INFO_ML = 1000137000,
+    XR_TYPE_SYSTEM_MARKER_UNDERSTANDING_PROPERTIES_ML = 1000138000,
+    XR_TYPE_MARKER_DETECTOR_CREATE_INFO_ML = 1000138001,
+    XR_TYPE_MARKER_DETECTOR_ARUCO_INFO_ML = 1000138002,
+    XR_TYPE_MARKER_DETECTOR_SIZE_INFO_ML = 1000138003,
+    XR_TYPE_MARKER_DETECTOR_APRIL_TAG_INFO_ML = 1000138004,
+    XR_TYPE_MARKER_DETECTOR_CUSTOM_PROFILE_INFO_ML = 1000138005,
+    XR_TYPE_MARKER_DETECTOR_SNAPSHOT_INFO_ML = 1000138006,
+    XR_TYPE_MARKER_DETECTOR_STATE_ML = 1000138007,
+    XR_TYPE_MARKER_SPACE_CREATE_INFO_ML = 1000138008,
+    XR_TYPE_LOCALIZATION_MAP_ML = 1000139000,
+    XR_TYPE_EVENT_DATA_LOCALIZATION_CHANGED_ML = 1000139001,
+    XR_TYPE_MAP_LOCALIZATION_REQUEST_INFO_ML = 1000139002,
+    XR_TYPE_LOCALIZATION_MAP_IMPORT_INFO_ML = 1000139003,
+    XR_TYPE_LOCALIZATION_ENABLE_EVENTS_INFO_ML = 1000139004,
+    XR_TYPE_SPATIAL_ANCHORS_CREATE_INFO_FROM_POSE_ML = 1000140000,
+    XR_TYPE_CREATE_SPATIAL_ANCHORS_COMPLETION_ML = 1000140001,
+    XR_TYPE_SPATIAL_ANCHOR_STATE_ML = 1000140002,
+    XR_TYPE_SPATIAL_ANCHORS_CREATE_STORAGE_INFO_ML = 1000141000,
+    XR_TYPE_SPATIAL_ANCHORS_QUERY_INFO_RADIUS_ML = 1000141001,
+    XR_TYPE_SPATIAL_ANCHORS_QUERY_COMPLETION_ML = 1000141002,
+    XR_TYPE_SPATIAL_ANCHORS_CREATE_INFO_FROM_UUIDS_ML = 1000141003,
+    XR_TYPE_SPATIAL_ANCHORS_PUBLISH_INFO_ML = 1000141004,
+    XR_TYPE_SPATIAL_ANCHORS_PUBLISH_COMPLETION_ML = 1000141005,
+    XR_TYPE_SPATIAL_ANCHORS_DELETE_INFO_ML = 1000141006,
+    XR_TYPE_SPATIAL_ANCHORS_DELETE_COMPLETION_ML = 1000141007,
+    XR_TYPE_SPATIAL_ANCHORS_UPDATE_EXPIRATION_INFO_ML = 1000141008,
+    XR_TYPE_SPATIAL_ANCHORS_UPDATE_EXPIRATION_COMPLETION_ML = 1000141009,
+    XR_TYPE_SPATIAL_ANCHORS_PUBLISH_COMPLETION_DETAILS_ML = 1000141010,
+    XR_TYPE_SPATIAL_ANCHORS_DELETE_COMPLETION_DETAILS_ML = 1000141011,
+    XR_TYPE_SPATIAL_ANCHORS_UPDATE_EXPIRATION_COMPLETION_DETAILS_ML = 1000141012,
+    XR_TYPE_EVENT_DATA_HEADSET_FIT_CHANGED_ML = 1000472000,
+    XR_TYPE_EVENT_DATA_EYE_CALIBRATION_CHANGED_ML = 1000472001,
+    XR_TYPE_USER_CALIBRATION_ENABLE_EVENTS_INFO_ML = 1000472002,
+    XR_TYPE_SPATIAL_ANCHOR_PERSISTENCE_INFO_MSFT = 1000142000,
+    XR_TYPE_SPATIAL_ANCHOR_FROM_PERSISTED_ANCHOR_CREATE_INFO_MSFT = 1000142001,
+    XR_TYPE_SCENE_MARKERS_MSFT = 1000147000,
+    XR_TYPE_SCENE_MARKER_TYPE_FILTER_MSFT = 1000147001,
+    XR_TYPE_SCENE_MARKER_QR_CODES_MSFT = 1000147002,
+    XR_TYPE_SPACE_QUERY_INFO_FB = 1000156001,
+    XR_TYPE_SPACE_QUERY_RESULTS_FB = 1000156002,
+    XR_TYPE_SPACE_STORAGE_LOCATION_FILTER_INFO_FB = 1000156003,
+    XR_TYPE_SPACE_UUID_FILTER_INFO_FB = 1000156054,
+    XR_TYPE_SPACE_COMPONENT_FILTER_INFO_FB = 1000156052,
+    XR_TYPE_EVENT_DATA_SPACE_QUERY_RESULTS_AVAILABLE_FB = 1000156103,
+    XR_TYPE_EVENT_DATA_SPACE_QUERY_COMPLETE_FB = 1000156104,
+    XR_TYPE_SPACE_SAVE_INFO_FB = 1000158000,
+    XR_TYPE_SPACE_ERASE_INFO_FB = 1000158001,
+    XR_TYPE_EVENT_DATA_SPACE_SAVE_COMPLETE_FB = 1000158106,
+    XR_TYPE_EVENT_DATA_SPACE_ERASE_COMPLETE_FB = 1000158107,
+    XR_TYPE_SWAPCHAIN_IMAGE_FOVEATION_VULKAN_FB = 1000160000,
+    XR_TYPE_SWAPCHAIN_STATE_ANDROID_SURFACE_DIMENSIONS_FB = 1000161000,
+    XR_TYPE_SWAPCHAIN_STATE_SAMPLER_OPENGL_ES_FB = 1000162000,
+    XR_TYPE_SWAPCHAIN_STATE_SAMPLER_VULKAN_FB = 1000163000,
+    XR_TYPE_SPACE_SHARE_INFO_FB = 1000169001,
+    XR_TYPE_EVENT_DATA_SPACE_SHARE_COMPLETE_FB = 1000169002,
+    XR_TYPE_COMPOSITION_LAYER_SPACE_WARP_INFO_FB = 1000171000,
+    XR_TYPE_SYSTEM_SPACE_WARP_PROPERTIES_FB = 1000171001,
+    XR_TYPE_HAPTIC_AMPLITUDE_ENVELOPE_VIBRATION_FB = 1000173001,
+    XR_TYPE_SEMANTIC_LABELS_FB = 1000175000,
+    XR_TYPE_ROOM_LAYOUT_FB = 1000175001,
+    XR_TYPE_BOUNDARY_2D_FB = 1000175002,
+    XR_TYPE_SEMANTIC_LABELS_SUPPORT_INFO_FB = 1000175010,
+    XR_TYPE_DIGITAL_LENS_CONTROL_ALMALENCE = 1000196000,
+    XR_TYPE_EVENT_DATA_SCENE_CAPTURE_COMPLETE_FB = 1000198001,
+    XR_TYPE_SCENE_CAPTURE_REQUEST_INFO_FB = 1000198050,
+    XR_TYPE_SPACE_CONTAINER_FB = 1000199000,
+    XR_TYPE_FOVEATION_EYE_TRACKED_PROFILE_CREATE_INFO_META = 1000200000,
+    XR_TYPE_FOVEATION_EYE_TRACKED_STATE_META = 1000200001,
+    XR_TYPE_SYSTEM_FOVEATION_EYE_TRACKED_PROPERTIES_META = 1000200002,
+    XR_TYPE_SYSTEM_FACE_TRACKING_PROPERTIES_FB = 1000201004,
+    XR_TYPE_FACE_TRACKER_CREATE_INFO_FB = 1000201005,
+    XR_TYPE_FACE_EXPRESSION_INFO_FB = 1000201002,
+    XR_TYPE_FACE_EXPRESSION_WEIGHTS_FB = 1000201006,
+    XR_TYPE_EYE_TRACKER_CREATE_INFO_FB = 1000202001,
+    XR_TYPE_EYE_GAZES_INFO_FB = 1000202002,
+    XR_TYPE_EYE_GAZES_FB = 1000202003,
+    XR_TYPE_SYSTEM_EYE_TRACKING_PROPERTIES_FB = 1000202004,
+    XR_TYPE_PASSTHROUGH_KEYBOARD_HANDS_INTENSITY_FB = 1000203002,
+    XR_TYPE_COMPOSITION_LAYER_SETTINGS_FB = 1000204000,
+    XR_TYPE_HAPTIC_PCM_VIBRATION_FB = 1000209001,
+    XR_TYPE_DEVICE_PCM_SAMPLE_RATE_STATE_FB = 1000209002,
+    XR_TYPE_FRAME_SYNTHESIS_INFO_EXT = 1000211000,
+    XR_TYPE_FRAME_SYNTHESIS_CONFIG_VIEW_EXT = 1000211001,
+    XR_TYPE_COMPOSITION_LAYER_DEPTH_TEST_FB = 1000212000,
+    XR_TYPE_LOCAL_DIMMING_FRAME_END_INFO_META = 1000216000,
+    XR_TYPE_PASSTHROUGH_PREFERENCES_META = 1000217000,
+    XR_TYPE_SYSTEM_VIRTUAL_KEYBOARD_PROPERTIES_META = 1000219001,
+    XR_TYPE_VIRTUAL_KEYBOARD_CREATE_INFO_META = 1000219002,
+    XR_TYPE_VIRTUAL_KEYBOARD_SPACE_CREATE_INFO_META = 1000219003,
+    XR_TYPE_VIRTUAL_KEYBOARD_LOCATION_INFO_META = 1000219004,
+    XR_TYPE_VIRTUAL_KEYBOARD_MODEL_VISIBILITY_SET_INFO_META = 1000219005,
+    XR_TYPE_VIRTUAL_KEYBOARD_ANIMATION_STATE_META = 1000219006,
+    XR_TYPE_VIRTUAL_KEYBOARD_MODEL_ANIMATION_STATES_META = 1000219007,
+    XR_TYPE_VIRTUAL_KEYBOARD_TEXTURE_DATA_META = 1000219009,
+    XR_TYPE_VIRTUAL_KEYBOARD_INPUT_INFO_META = 1000219010,
+    XR_TYPE_VIRTUAL_KEYBOARD_TEXT_CONTEXT_CHANGE_INFO_META = 1000219011,
+    XR_TYPE_EVENT_DATA_VIRTUAL_KEYBOARD_COMMIT_TEXT_META = 1000219014,
+    XR_TYPE_EVENT_DATA_VIRTUAL_KEYBOARD_BACKSPACE_META = 1000219015,
+    XR_TYPE_EVENT_DATA_VIRTUAL_KEYBOARD_ENTER_META = 1000219016,
+    XR_TYPE_EVENT_DATA_VIRTUAL_KEYBOARD_SHOWN_META = 1000219017,
+    XR_TYPE_EVENT_DATA_VIRTUAL_KEYBOARD_HIDDEN_META = 1000219018,
+    XR_TYPE_EXTERNAL_CAMERA_OCULUS = 1000226000,
+    XR_TYPE_VULKAN_SWAPCHAIN_CREATE_INFO_META = 1000227000,
+    XR_TYPE_PERFORMANCE_METRICS_STATE_META = 1000232001,
+    XR_TYPE_PERFORMANCE_METRICS_COUNTER_META = 1000232002,
+    XR_TYPE_SPACE_LIST_SAVE_INFO_FB = 1000238000,
+    XR_TYPE_EVENT_DATA_SPACE_LIST_SAVE_COMPLETE_FB = 1000238001,
+    XR_TYPE_SPACE_USER_CREATE_INFO_FB = 1000241001,
+    XR_TYPE_SYSTEM_HEADSET_ID_PROPERTIES_META = 1000245000,
+    XR_TYPE_SYSTEM_SPACE_DISCOVERY_PROPERTIES_META = 1000247000,
+    XR_TYPE_SPACE_DISCOVERY_INFO_META = 1000247001,
+    XR_TYPE_SPACE_FILTER_UUID_META = 1000247003,
+    XR_TYPE_SPACE_FILTER_COMPONENT_META = 1000247004,
+    XR_TYPE_SPACE_DISCOVERY_RESULT_META = 1000247005,
+    XR_TYPE_SPACE_DISCOVERY_RESULTS_META = 1000247006,
+    XR_TYPE_EVENT_DATA_SPACE_DISCOVERY_RESULTS_AVAILABLE_META = 1000247007,
+    XR_TYPE_EVENT_DATA_SPACE_DISCOVERY_COMPLETE_META = 1000247008,
+    XR_TYPE_RECOMMENDED_LAYER_RESOLUTION_META = 1000254000,
+    XR_TYPE_RECOMMENDED_LAYER_RESOLUTION_GET_INFO_META = 1000254001,
+    XR_TYPE_SYSTEM_SPACE_PERSISTENCE_PROPERTIES_META = 1000259000,
+    XR_TYPE_SPACES_SAVE_INFO_META = 1000259001,
+    XR_TYPE_EVENT_DATA_SPACES_SAVE_RESULT_META = 1000259002,
+    XR_TYPE_SPACES_ERASE_INFO_META = 1000259003,
+    XR_TYPE_EVENT_DATA_SPACES_ERASE_RESULT_META = 1000259004,
+    XR_TYPE_SYSTEM_PASSTHROUGH_COLOR_LUT_PROPERTIES_META = 1000266000,
+    XR_TYPE_PASSTHROUGH_COLOR_LUT_CREATE_INFO_META = 1000266001,
+    XR_TYPE_PASSTHROUGH_COLOR_LUT_UPDATE_INFO_META = 1000266002,
+    XR_TYPE_PASSTHROUGH_COLOR_MAP_LUT_META = 1000266100,
+    XR_TYPE_PASSTHROUGH_COLOR_MAP_INTERPOLATED_LUT_META = 1000266101,
+    XR_TYPE_SPACE_TRIANGLE_MESH_GET_INFO_META = 1000269001,
+    XR_TYPE_SPACE_TRIANGLE_MESH_META = 1000269002,
+    XR_TYPE_SYSTEM_PROPERTIES_BODY_TRACKING_FULL_BODY_META = 1000274000,
+    XR_TYPE_EVENT_DATA_PASSTHROUGH_LAYER_RESUMED_META = 1000282000,
+    XR_TYPE_BODY_TRACKING_CALIBRATION_INFO_META = 1000283002,
+    XR_TYPE_BODY_TRACKING_CALIBRATION_STATUS_META = 1000283003,
+    XR_TYPE_SYSTEM_PROPERTIES_BODY_TRACKING_CALIBRATION_META = 1000283004,
+    XR_TYPE_BODY_TRACKING_FIDELITY_STATUS_META = 1000284000,
+    XR_TYPE_SYSTEM_PROPERTIES_BODY_TRACKING_FIDELITY_META = 1000284001,
+    XR_TYPE_SYSTEM_FACE_TRACKING_PROPERTIES2_FB = 1000287013,
+    XR_TYPE_FACE_TRACKER_CREATE_INFO2_FB = 1000287014,
+    XR_TYPE_FACE_EXPRESSION_INFO2_FB = 1000287015,
+    XR_TYPE_FACE_EXPRESSION_WEIGHTS2_FB = 1000287016,
+    XR_TYPE_SYSTEM_SPATIAL_ENTITY_SHARING_PROPERTIES_META = 1000290000,
+    XR_TYPE_SHARE_SPACES_INFO_META = 1000290001,
+    XR_TYPE_EVENT_DATA_SHARE_SPACES_COMPLETE_META = 1000290002,
+    XR_TYPE_ENVIRONMENT_DEPTH_PROVIDER_CREATE_INFO_META = 1000291000,
+    XR_TYPE_ENVIRONMENT_DEPTH_SWAPCHAIN_CREATE_INFO_META = 1000291001,
+    XR_TYPE_ENVIRONMENT_DEPTH_SWAPCHAIN_STATE_META = 1000291002,
+    XR_TYPE_ENVIRONMENT_DEPTH_IMAGE_ACQUIRE_INFO_META = 1000291003,
+    XR_TYPE_ENVIRONMENT_DEPTH_IMAGE_VIEW_META = 1000291004,
+    XR_TYPE_ENVIRONMENT_DEPTH_IMAGE_META = 1000291005,
+    XR_TYPE_ENVIRONMENT_DEPTH_HAND_REMOVAL_SET_INFO_META = 1000291006,
+    XR_TYPE_SYSTEM_ENVIRONMENT_DEPTH_PROPERTIES_META = 1000291007,
+    XR_TYPE_ENVIRONMENT_DEPTH_IMAGE_TIMESTAMP_META = 1000291008,
+    XR_TYPE_RENDER_MODEL_CREATE_INFO_EXT = 1000300000,
+    XR_TYPE_RENDER_MODEL_PROPERTIES_GET_INFO_EXT = 1000300001,
+    XR_TYPE_RENDER_MODEL_PROPERTIES_EXT = 1000300002,
+    XR_TYPE_RENDER_MODEL_SPACE_CREATE_INFO_EXT = 1000300003,
+    XR_TYPE_RENDER_MODEL_STATE_GET_INFO_EXT = 1000300004,
+    XR_TYPE_RENDER_MODEL_STATE_EXT = 1000300005,
+    XR_TYPE_RENDER_MODEL_ASSET_CREATE_INFO_EXT = 1000300006,
+    XR_TYPE_RENDER_MODEL_ASSET_DATA_GET_INFO_EXT = 1000300007,
+    XR_TYPE_RENDER_MODEL_ASSET_DATA_EXT = 1000300008,
+    XR_TYPE_RENDER_MODEL_ASSET_PROPERTIES_GET_INFO_EXT = 1000300009,
+    XR_TYPE_RENDER_MODEL_ASSET_PROPERTIES_EXT = 1000300010,
+    XR_TYPE_INTERACTION_RENDER_MODEL_IDS_ENUMERATE_INFO_EXT = 1000301000,
+    XR_TYPE_INTERACTION_RENDER_MODEL_SUBACTION_PATH_INFO_EXT = 1000301001,
+    XR_TYPE_EVENT_DATA_INTERACTION_RENDER_MODELS_CHANGED_EXT = 1000301002,
+    XR_TYPE_INTERACTION_RENDER_MODEL_TOP_LEVEL_USER_PATH_GET_INFO_EXT = 1000301003,
+    XR_TYPE_PASSTHROUGH_CREATE_INFO_HTC = 1000317001,
+    XR_TYPE_PASSTHROUGH_COLOR_HTC = 1000317002,
+    XR_TYPE_PASSTHROUGH_MESH_TRANSFORM_INFO_HTC = 1000317003,
+    XR_TYPE_COMPOSITION_LAYER_PASSTHROUGH_HTC = 1000317004,
+    XR_TYPE_FOVEATION_APPLY_INFO_HTC = 1000318000,
+    XR_TYPE_FOVEATION_DYNAMIC_MODE_INFO_HTC = 1000318001,
+    XR_TYPE_FOVEATION_CUSTOM_MODE_INFO_HTC = 1000318002,
+    XR_TYPE_SYSTEM_ANCHOR_PROPERTIES_HTC = 1000319000,
+    XR_TYPE_SPATIAL_ANCHOR_CREATE_INFO_HTC = 1000319001,
+    XR_TYPE_SYSTEM_BODY_TRACKING_PROPERTIES_HTC = 1000320000,
+    XR_TYPE_BODY_TRACKER_CREATE_INFO_HTC = 1000320001,
+    XR_TYPE_BODY_JOINTS_LOCATE_INFO_HTC = 1000320002,
+    XR_TYPE_BODY_JOINT_LOCATIONS_HTC = 1000320003,
+    XR_TYPE_BODY_SKELETON_HTC = 1000320004,
+    XR_TYPE_ACTIVE_ACTION_SET_PRIORITIES_EXT = 1000373000,
+    XR_TYPE_SYSTEM_FORCE_FEEDBACK_CURL_PROPERTIES_MNDX = 1000375000,
+    XR_TYPE_FORCE_FEEDBACK_CURL_APPLY_LOCATIONS_MNDX = 1000375001,
+    XR_TYPE_BODY_TRACKER_CREATE_INFO_BD = 1000385001,
+    XR_TYPE_BODY_JOINTS_LOCATE_INFO_BD = 1000385002,
+    XR_TYPE_BODY_JOINT_LOCATIONS_BD = 1000385003,
+    XR_TYPE_SYSTEM_BODY_TRACKING_PROPERTIES_BD = 1000385004,
+    XR_TYPE_SYSTEM_FACIAL_SIMULATION_PROPERTIES_BD = 1000386001,
+    XR_TYPE_FACE_TRACKER_CREATE_INFO_BD = 1000386002,
+    XR_TYPE_FACIAL_SIMULATION_DATA_GET_INFO_BD = 1000386003,
+    XR_TYPE_FACIAL_SIMULATION_DATA_BD = 1000386004,
+    XR_TYPE_LIP_EXPRESSION_DATA_BD = 1000386005,
+    XR_TYPE_SYSTEM_SPATIAL_SENSING_PROPERTIES_BD = 1000389000,
+    XR_TYPE_SPATIAL_ENTITY_COMPONENT_GET_INFO_BD = 1000389001,
+    XR_TYPE_SPATIAL_ENTITY_LOCATION_GET_INFO_BD = 1000389002,
+    XR_TYPE_SPATIAL_ENTITY_COMPONENT_DATA_LOCATION_BD = 1000389003,
+    XR_TYPE_SPATIAL_ENTITY_COMPONENT_DATA_SEMANTIC_BD = 1000389004,
+    XR_TYPE_SPATIAL_ENTITY_COMPONENT_DATA_BOUNDING_BOX_2D_BD = 1000389005,
+    XR_TYPE_SPATIAL_ENTITY_COMPONENT_DATA_POLYGON_BD = 1000389006,
+    XR_TYPE_SPATIAL_ENTITY_COMPONENT_DATA_BOUNDING_BOX_3D_BD = 1000389007,
+    XR_TYPE_SPATIAL_ENTITY_COMPONENT_DATA_TRIANGLE_MESH_BD = 1000389008,
+    XR_TYPE_SENSE_DATA_PROVIDER_CREATE_INFO_BD = 1000389009,
+    XR_TYPE_SENSE_DATA_PROVIDER_START_INFO_BD = 1000389010,
+    XR_TYPE_EVENT_DATA_SENSE_DATA_PROVIDER_STATE_CHANGED_BD = 1000389011,
+    XR_TYPE_EVENT_DATA_SENSE_DATA_UPDATED_BD = 1000389012,
+    XR_TYPE_SENSE_DATA_QUERY_INFO_BD = 1000389013,
+    XR_TYPE_SENSE_DATA_QUERY_COMPLETION_BD = 1000389014,
+    XR_TYPE_SENSE_DATA_FILTER_UUID_BD = 1000389015,
+    XR_TYPE_SENSE_DATA_FILTER_SEMANTIC_BD = 1000389016,
+    XR_TYPE_QUERIED_SENSE_DATA_GET_INFO_BD = 1000389017,
+    XR_TYPE_QUERIED_SENSE_DATA_BD = 1000389018,
+    XR_TYPE_SPATIAL_ENTITY_STATE_BD = 1000389019,
+    XR_TYPE_SPATIAL_ENTITY_ANCHOR_CREATE_INFO_BD = 1000389020,
+    XR_TYPE_ANCHOR_SPACE_CREATE_INFO_BD = 1000389021,
+    XR_TYPE_SPATIAL_ENTITY_COMPONENT_DATA_SPHERE_BD = 1000389022,
+    XR_TYPE_SYSTEM_SPATIAL_ANCHOR_PROPERTIES_BD = 1000390000,
+    XR_TYPE_SPATIAL_ANCHOR_CREATE_INFO_BD = 1000390001,
+    XR_TYPE_SPATIAL_ANCHOR_CREATE_COMPLETION_BD = 1000390002,
+    XR_TYPE_SPATIAL_ANCHOR_PERSIST_INFO_BD = 1000390003,
+    XR_TYPE_SPATIAL_ANCHOR_UNPERSIST_INFO_BD = 1000390004,
+    XR_TYPE_SYSTEM_SPATIAL_ANCHOR_SHARING_PROPERTIES_BD = 1000391000,
+    XR_TYPE_SPATIAL_ANCHOR_SHARE_INFO_BD = 1000391001,
+    XR_TYPE_SHARED_SPATIAL_ANCHOR_DOWNLOAD_INFO_BD = 1000391002,
+    XR_TYPE_SYSTEM_SPATIAL_SCENE_PROPERTIES_BD = 1000392000,
+    XR_TYPE_SCENE_CAPTURE_INFO_BD = 1000392001,
+    XR_TYPE_SYSTEM_SPATIAL_MESH_PROPERTIES_BD = 1000393000,
+    XR_TYPE_SENSE_DATA_PROVIDER_CREATE_INFO_SPATIAL_MESH_BD = 1000393001,
+    XR_TYPE_FUTURE_POLL_RESULT_PROGRESS_BD = 1000394001,
+    XR_TYPE_BODY_TRACKING_POSTURE_DATA_BD = 1000395001,
+    XR_TYPE_BODY_JOINT_VELOCITIES_BD = 1000395002,
+    XR_TYPE_BODY_JOINT_ACCELERATIONS_BD = 1000395003,
+    XR_TYPE_BODY_TRACKING_STATE_BD = 1000395004,
+    XR_TYPE_SYSTEM_SPATIAL_PLANE_PROPERTIES_BD = 1000396000,
+    XR_TYPE_SPATIAL_ENTITY_COMPONENT_DATA_PLANE_ORIENTATION_BD = 1000396001,
+    XR_TYPE_SENSE_DATA_FILTER_PLANE_ORIENTATION_BD = 1000396002,
+    XR_TYPE_SYSTEM_LIGHT_ESTIMATION_PROPERTIES_BD = 1000397000,
+    XR_TYPE_SENSE_DATA_PROVIDER_CREATE_INFO_LIGHT_ESTIMATION_BD = 1000397001,
+    XR_TYPE_ENVIRONMENT_TEXTURE_CREATE_CONFIG_INFO_BD = 1000397002,
+    XR_TYPE_LIGHT_ESTIMATION_DATA_ENVIRONMENT_TEXTURE_RAW_BD = 1000397003,
+    XR_TYPE_LIGHT_ESTIMATION_DATA_SPHERICAL_HARMONICS_BD = 1000397005,
+    XR_TYPE_SPATIAL_ENTITY_COMPONENT_DATA_LIGHT_ESTIMATION_BD = 1000397006,
+    XR_TYPE_SPATIAL_AUDIO_RENDERER_CREATE_INFO_BD = 1000409000,
+    XR_TYPE_AUDIO_BUFFER_BD = 1000409001,
+    XR_TYPE_SOUND_OBJECT_DIRECTIVITY_CARDIOID_BD = 1000409003,
+    XR_TYPE_SOUND_OBJECT_SHAPE_SPHERE_BD = 1000409004,
+    XR_TYPE_SOUND_OBJECT_DISTANCE_ATTENUATION_BD = 1000409005,
+    XR_TYPE_SOUND_OBJECT_DISTANCE_ATTENUATION_CURVE_BD = 1000409006,
+    XR_TYPE_SOUND_OBJECT_CONFIG_BD = 1000409007,
+    XR_TYPE_SOUND_FIELD_CONFIG_BD = 1000409008,
+    XR_TYPE_SOUND_FIELD_CHANNEL_DEFINITION_SURROUND_BD = 1000409009,
+    XR_TYPE_SOUND_FIELD_CHANNEL_DEFINITION_AMBIX_BD = 1000409010,
+    XR_TYPE_SOUND_FIELD_CHANNEL_DEFINITION_FUMA_BD = 1000409011,
+    XR_TYPE_SOUND_TRIANGLE_MESH_BD = 1000409012,
+    XR_TYPE_SOUND_OBSTACLE_CONFIG_BD = 1000409013,
+    XR_TYPE_SOUND_OBSTACLE_MATERIAL_CONFIG_BD = 1000409014,
+    XR_TYPE_HAND_TRACKING_DATA_SOURCE_INFO_EXT = 1000428000,
+    XR_TYPE_HAND_TRACKING_DATA_SOURCE_STATE_EXT = 1000428001,
+    XR_TYPE_PLANE_DETECTOR_CREATE_INFO_EXT = 1000429001,
+    XR_TYPE_PLANE_DETECTOR_BEGIN_INFO_EXT = 1000429002,
+    XR_TYPE_PLANE_DETECTOR_GET_INFO_EXT = 1000429003,
+    XR_TYPE_PLANE_DETECTOR_LOCATIONS_EXT = 1000429004,
+    XR_TYPE_PLANE_DETECTOR_LOCATION_EXT = 1000429005,
+    XR_TYPE_PLANE_DETECTOR_POLYGON_BUFFER_EXT = 1000429006,
+    XR_TYPE_SYSTEM_PLANE_DETECTION_PROPERTIES_EXT = 1000429007,
+    XR_TYPE_TRACKABLE_GET_INFO_ANDROID = 1000455000,
+    XR_TYPE_ANCHOR_SPACE_CREATE_INFO_ANDROID = 1000455001,
+    XR_TYPE_TRACKABLE_PLANE_ANDROID = 1000455003,
+    XR_TYPE_TRACKABLE_TRACKER_CREATE_INFO_ANDROID = 1000455004,
+    XR_TYPE_SYSTEM_TRACKABLES_PROPERTIES_ANDROID = 1000455005,
+    XR_TYPE_EYES_ANDROID = 1000456000,
+    XR_TYPE_EYE_TRACKER_CREATE_INFO_ANDROID = 1000456001,
+    XR_TYPE_EYES_GET_INFO_ANDROID = 1000456002,
+    XR_TYPE_SYSTEM_EYE_TRACKING_PROPERTIES_ANDROID = 1000456004,
+    XR_TYPE_PERSISTED_ANCHOR_SPACE_CREATE_INFO_ANDROID = 1000457001,
+    XR_TYPE_PERSISTED_ANCHOR_SPACE_INFO_ANDROID = 1000457002,
+    XR_TYPE_DEVICE_ANCHOR_PERSISTENCE_CREATE_INFO_ANDROID = 1000457003,
+    XR_TYPE_SYSTEM_DEVICE_ANCHOR_PERSISTENCE_PROPERTIES_ANDROID = 1000457004,
+    XR_TYPE_FACE_TRACKER_CREATE_INFO_ANDROID = 1000458000,
+    XR_TYPE_FACE_STATE_GET_INFO_ANDROID = 1000458001,
+    XR_TYPE_FACE_STATE_ANDROID = 1000458002,
+    XR_TYPE_SYSTEM_FACE_TRACKING_PROPERTIES_ANDROID = 1000458003,
+    XR_TYPE_PASSTHROUGH_CAMERA_STATE_GET_INFO_ANDROID = 1000460000,
+    XR_TYPE_SYSTEM_PASSTHROUGH_CAMERA_STATE_PROPERTIES_ANDROID = 1000460001,
+    XR_TYPE_EVENT_DATA_RECOMMENDED_RESOLUTION_CHANGED_ANDROID = 1000461000,
+    XR_TYPE_PASSTHROUGH_LAYER_CREATE_INFO_ANDROID = 1000462000,
+    XR_TYPE_PASSTHROUGH_LAYER_MESH_ANDROID = 1000462001,
+    XR_TYPE_COMPOSITION_LAYER_PASSTHROUGH_ANDROID = 1000462002,
+    XR_TYPE_SYSTEM_PASSTHROUGH_LAYER_PROPERTIES_ANDROID = 1000462003,
+    XR_TYPE_RAYCAST_INFO_ANDROID = 1000463000,
+    XR_TYPE_RAYCAST_HIT_RESULTS_ANDROID = 1000463001,
+    XR_TYPE_PERFORMANCE_METRICS_STATE_ANDROID = 1000465000,
+    XR_TYPE_PERFORMANCE_METRICS_COUNTER_ANDROID = 1000465001,
+    XR_TYPE_TRACKABLE_OBJECT_ANDROID = 1000466000,
+    XR_TYPE_TRACKABLE_OBJECT_CONFIGURATION_ANDROID = 1000466001,
+    XR_TYPE_FUTURE_CANCEL_INFO_EXT = 1000469000,
+    XR_TYPE_FUTURE_POLL_INFO_EXT = 1000469001,
+    XR_TYPE_FUTURE_COMPLETION_EXT = 1000469002,
+    XR_TYPE_FUTURE_POLL_RESULT_EXT = 1000469003,
+    XR_TYPE_EVENT_DATA_USER_PRESENCE_CHANGED_EXT = 1000470000,
+    XR_TYPE_SYSTEM_USER_PRESENCE_PROPERTIES_EXT = 1000470001,
+    XR_TYPE_SYSTEM_NOTIFICATIONS_SET_INFO_ML = 1000473000,
+    XR_TYPE_WORLD_MESH_DETECTOR_CREATE_INFO_ML = 1000474001,
+    XR_TYPE_WORLD_MESH_STATE_REQUEST_INFO_ML = 1000474002,
+    XR_TYPE_WORLD_MESH_BLOCK_STATE_ML = 1000474003,
+    XR_TYPE_WORLD_MESH_STATE_REQUEST_COMPLETION_ML = 1000474004,
+    XR_TYPE_WORLD_MESH_BUFFER_RECOMMENDED_SIZE_INFO_ML = 1000474005,
+    XR_TYPE_WORLD_MESH_BUFFER_SIZE_ML = 1000474006,
+    XR_TYPE_WORLD_MESH_BUFFER_ML = 1000474007,
+    XR_TYPE_WORLD_MESH_BLOCK_REQUEST_ML = 1000474008,
+    XR_TYPE_WORLD_MESH_GET_INFO_ML = 1000474009,
+    XR_TYPE_WORLD_MESH_BLOCK_ML = 1000474010,
+    XR_TYPE_WORLD_MESH_REQUEST_COMPLETION_ML = 1000474011,
+    XR_TYPE_WORLD_MESH_REQUEST_COMPLETION_INFO_ML = 1000474012,
+    XR_TYPE_SYSTEM_FACIAL_EXPRESSION_PROPERTIES_ML = 1000482004,
+    XR_TYPE_FACIAL_EXPRESSION_CLIENT_CREATE_INFO_ML = 1000482005,
+    XR_TYPE_FACIAL_EXPRESSION_BLEND_SHAPE_GET_INFO_ML = 1000482006,
+    XR_TYPE_FACIAL_EXPRESSION_BLEND_SHAPE_PROPERTIES_ML = 1000482007,
+    XR_TYPE_SYSTEM_BOUNDARY_VISIBILITY_PROPERTIES_META = 1000528000,
+    XR_TYPE_EVENT_DATA_BOUNDARY_VISIBILITY_CHANGED_META = 1000528001,
+    XR_TYPE_SYSTEM_SIMULTANEOUS_HANDS_AND_CONTROLLERS_PROPERTIES_META = 1000532001,
+    XR_TYPE_SIMULTANEOUS_HANDS_AND_CONTROLLERS_TRACKING_RESUME_INFO_META = 1000532002,
+    XR_TYPE_SIMULTANEOUS_HANDS_AND_CONTROLLERS_TRACKING_PAUSE_INFO_META = 1000532003,
+    XR_TYPE_FACE_TRACKING_VISEMES_META = 1000541000,
+    XR_TYPE_SYSTEM_FACE_TRACKING_VISEMES_PROPERTIES_META = 1000541001,
+    XR_TYPE_ROOM_MESH_FACE_INDICES_META = 1000553000,
+    XR_TYPE_SPACE_ROOM_MESH_GET_INFO_META = 1000553001,
+    XR_TYPE_ROOM_MESH_META = 1000553002,
+    XR_TYPE_COLOCATION_DISCOVERY_START_INFO_META = 1000571010,
+    XR_TYPE_COLOCATION_DISCOVERY_STOP_INFO_META = 1000571011,
+    XR_TYPE_COLOCATION_ADVERTISEMENT_START_INFO_META = 1000571012,
+    XR_TYPE_COLOCATION_ADVERTISEMENT_STOP_INFO_META = 1000571013,
+    XR_TYPE_EVENT_DATA_START_COLOCATION_ADVERTISEMENT_COMPLETE_META = 1000571020,
+    XR_TYPE_EVENT_DATA_STOP_COLOCATION_ADVERTISEMENT_COMPLETE_META = 1000571021,
+    XR_TYPE_EVENT_DATA_COLOCATION_ADVERTISEMENT_COMPLETE_META = 1000571022,
+    XR_TYPE_EVENT_DATA_START_COLOCATION_DISCOVERY_COMPLETE_META = 1000571023,
+    XR_TYPE_EVENT_DATA_COLOCATION_DISCOVERY_RESULT_META = 1000571024,
+    XR_TYPE_EVENT_DATA_COLOCATION_DISCOVERY_COMPLETE_META = 1000571025,
+    XR_TYPE_EVENT_DATA_STOP_COLOCATION_DISCOVERY_COMPLETE_META = 1000571026,
+    XR_TYPE_SYSTEM_COLOCATION_DISCOVERY_PROPERTIES_META = 1000571030,
+    XR_TYPE_SHARE_SPACES_RECIPIENT_GROUPS_META = 1000572000,
+    XR_TYPE_SPACE_GROUP_UUID_FILTER_INFO_META = 1000572001,
+    XR_TYPE_SYSTEM_SPATIAL_ENTITY_GROUP_SHARING_PROPERTIES_META = 1000572100,
+    XR_TYPE_SYSTEM_ENVIRONMENT_RAYCAST_PROPERTIES_META = 1000592000,
+    XR_TYPE_ENVIRONMENT_RAYCASTER_CREATE_INFO_META = 1000592001,
+    XR_TYPE_ENVIRONMENT_RAYCASTER_CREATE_COMPLETION_META = 1000592002,
+    XR_TYPE_ENVIRONMENT_RAYCAST_HIT_GET_INFO_META = 1000592003,
+    XR_TYPE_ENVIRONMENT_RAYCAST_HIT_META = 1000592004,
+    XR_TYPE_ENVIRONMENT_RAYCAST_FILTER_DISTANCE_META = 1000592005,
+    XR_TYPE_TILE_PROPERTIES_META = 1000609000,
+    XR_TYPE_TILE_PROPERTIES_HINT_META = 1000609001,
+    XR_TYPE_HAND_TRACKING_UNEXTRAPOLATED_POSES_REQUEST_META = 1000693000,
+    XR_TYPE_HAND_TRACKING_UNEXTRAPOLATED_POSES_META = 1000693001,
+    XR_TYPE_LIGHT_ESTIMATOR_CREATE_INFO_ANDROID = 1000700000,
+    XR_TYPE_LIGHT_ESTIMATE_GET_INFO_ANDROID = 1000700001,
+    XR_TYPE_LIGHT_ESTIMATE_ANDROID = 1000700002,
+    XR_TYPE_DIRECTIONAL_LIGHT_ANDROID = 1000700003,
+    XR_TYPE_SPHERICAL_HARMONICS_ANDROID = 1000700004,
+    XR_TYPE_AMBIENT_LIGHT_ANDROID = 1000700005,
+    XR_TYPE_SYSTEM_LIGHT_ESTIMATION_PROPERTIES_ANDROID = 1000700006,
+    XR_TYPE_ANCHOR_SHARING_INFO_ANDROID = 1000701000,
+    XR_TYPE_ANCHOR_SHARING_TOKEN_ANDROID = 1000701001,
+    XR_TYPE_SYSTEM_ANCHOR_SHARING_EXPORT_PROPERTIES_ANDROID = 1000701002,
+    XR_TYPE_SYSTEM_MARKER_TRACKING_PROPERTIES_ANDROID = 1000707000,
+    XR_TYPE_TRACKABLE_MARKER_CONFIGURATION_ANDROID = 1000707001,
+    XR_TYPE_TRACKABLE_MARKER_ANDROID = 1000707002,
+    XR_TYPE_SYSTEM_QR_CODE_TRACKING_PROPERTIES_ANDROID = 1000708000,
+    XR_TYPE_TRACKABLE_QR_CODE_CONFIGURATION_ANDROID = 1000708001,
+    XR_TYPE_TRACKABLE_QR_CODE_ANDROID = 1000708002,
+    XR_TYPE_SYSTEM_IMAGE_TRACKING_PROPERTIES_ANDROID = 1000709000,
+    XR_TYPE_TRACKABLE_IMAGE_DATABASE_ENTRY_ANDROID = 1000709001,
+    XR_TYPE_TRACKABLE_IMAGE_DATABASE_CREATE_INFO_ANDROID = 1000709002,
+    XR_TYPE_CREATE_TRACKABLE_IMAGE_DATABASE_COMPLETION_ANDROID = 1000709003,
+    XR_TYPE_TRACKABLE_IMAGE_CONFIGURATION_ANDROID = 1000709004,
+    XR_TYPE_TRACKABLE_IMAGE_ANDROID = 1000709005,
+    XR_TYPE_EVENT_DATA_IMAGE_TRACKING_LOST_ANDROID = 1000709006,
+    XR_TYPE_SYSTEM_SCENE_MESHING_PROPERTIES_ANDROID = 1000718000,
+    XR_TYPE_SCENE_MESHING_TRACKER_CREATE_INFO_ANDROID = 1000718001,
+    XR_TYPE_SCENE_MESH_SNAPSHOT_CREATE_INFO_ANDROID = 1000718002,
+    XR_TYPE_SCENE_MESH_SNAPSHOT_CREATION_RESULT_ANDROID = 1000718003,
+    XR_TYPE_SCENE_SUBMESH_STATE_ANDROID = 1000718004,
+    XR_TYPE_SCENE_SUBMESH_DATA_ANDROID = 1000718005,
+    XR_TYPE_SPATIAL_CAPABILITY_COMPONENT_TYPES_EXT = 1000740000,
+    XR_TYPE_SPATIAL_CONTEXT_CREATE_INFO_EXT = 1000740001,
+    XR_TYPE_CREATE_SPATIAL_CONTEXT_COMPLETION_EXT = 1000740002,
+    XR_TYPE_SPATIAL_DISCOVERY_SNAPSHOT_CREATE_INFO_EXT = 1000740003,
+    XR_TYPE_CREATE_SPATIAL_DISCOVERY_SNAPSHOT_COMPLETION_INFO_EXT = 1000740004,
+    XR_TYPE_CREATE_SPATIAL_DISCOVERY_SNAPSHOT_COMPLETION_EXT = 1000740005,
+    XR_TYPE_SPATIAL_COMPONENT_DATA_QUERY_CONDITION_EXT = 1000740006,
+    XR_TYPE_SPATIAL_COMPONENT_DATA_QUERY_RESULT_EXT = 1000740007,
+    XR_TYPE_SPATIAL_BUFFER_GET_INFO_EXT = 1000740008,
+    XR_TYPE_SPATIAL_COMPONENT_BOUNDED_2D_LIST_EXT = 1000740009,
+    XR_TYPE_SPATIAL_COMPONENT_BOUNDED_3D_LIST_EXT = 1000740010,
+    XR_TYPE_SPATIAL_COMPONENT_PARENT_LIST_EXT = 1000740011,
+    XR_TYPE_SPATIAL_COMPONENT_MESH_3D_LIST_EXT = 1000740012,
+    XR_TYPE_SPATIAL_ENTITY_FROM_ID_CREATE_INFO_EXT = 1000740013,
+    XR_TYPE_SPATIAL_UPDATE_SNAPSHOT_CREATE_INFO_EXT = 1000740014,
+    XR_TYPE_EVENT_DATA_SPATIAL_DISCOVERY_RECOMMENDED_EXT = 1000740015,
+    XR_TYPE_SPATIAL_FILTER_TRACKING_STATE_EXT = 1000740016,
+    XR_TYPE_SPATIAL_CAPABILITY_CONFIGURATION_PLANE_TRACKING_EXT = 1000741000,
+    XR_TYPE_SPATIAL_COMPONENT_PLANE_ALIGNMENT_LIST_EXT = 1000741001,
+    XR_TYPE_SPATIAL_COMPONENT_MESH_2D_LIST_EXT = 1000741002,
+    XR_TYPE_SPATIAL_COMPONENT_POLYGON_2D_LIST_EXT = 1000741003,
+    XR_TYPE_SPATIAL_COMPONENT_PLANE_SEMANTIC_LABEL_LIST_EXT = 1000741004,
+    XR_TYPE_STATIONARY_REFERENCE_SPACE_GENERATION_ID_GET_INFO_EXT = 1000742001,
+    XR_TYPE_STATIONARY_REFERENCE_SPACE_GENERATION_ID_RESULT_EXT = 1000742002,
+    XR_TYPE_SPATIAL_CAPABILITY_CONFIGURATION_QR_CODE_EXT = 1000743000,
+    XR_TYPE_SPATIAL_CAPABILITY_CONFIGURATION_MICRO_QR_CODE_EXT = 1000743001,
+    XR_TYPE_SPATIAL_CAPABILITY_CONFIGURATION_ARUCO_MARKER_EXT = 1000743002,
+    XR_TYPE_SPATIAL_CAPABILITY_CONFIGURATION_APRIL_TAG_EXT = 1000743003,
+    XR_TYPE_SPATIAL_MARKER_SIZE_EXT = 1000743004,
+    XR_TYPE_SPATIAL_MARKER_STATIC_OPTIMIZATION_EXT = 1000743005,
+    XR_TYPE_SPATIAL_COMPONENT_MARKER_LIST_EXT = 1000743006,
+    XR_TYPE_SYSTEM_DYNAMIC_OBJECT_TRACKING_PROPERTIES_BD = 1000746000,
+    XR_TYPE_SENSE_DATA_PROVIDER_CREATE_INFO_DYNAMIC_OBJECT_BD = 1000746001,
+    XR_TYPE_SPATIAL_ENTITY_COMPONENT_DATA_DYNAMIC_OBJECT_BD = 1000746002,
+    XR_TYPE_DYNAMIC_OBJECT_DATA_BD = 1000746003,
+    XR_TYPE_SENSE_DATA_FILTER_DYNAMIC_OBJECT_TYPE_BD = 1000746004,
+    XR_TYPE_SYSTEM_DYNAMIC_OBJECT_KEYBOARD_PROPERTIES_BD = 1000747000,
+    XR_TYPE_SYSTEM_DYNAMIC_OBJECT_MOUSE_PROPERTIES_BD = 1000748000,
+    XR_TYPE_AVAILABLE_CAMERAS_ENUMERATE_INFO_BD = 1000755000,
+    XR_TYPE_CAMERA_PROPERTIES_GET_INFO_BD = 1000755001,
+    XR_TYPE_CAMERA_PROPERTIES_BD = 1000755002,
+    XR_TYPE_CAMERA_PROPERTY_FACING_BD = 1000755003,
+    XR_TYPE_CAMERA_PROPERTY_POSITION_BD = 1000755004,
+    XR_TYPE_CAMERA_PROPERTY_CAMERA_TYPE_BD = 1000755005,
+    XR_TYPE_CAMERA_SUPPORTED_CAPABILITIES_GET_INFO_BD = 1000755006,
+    XR_TYPE_CAMERA_SUPPORTED_CAPABILITIES_BD = 1000755007,
+    XR_TYPE_CAMERA_SUPPORTED_CAPABILITY_IMAGE_RESOLUTION_AND_FRAME_RATE_BD = 1000755008,
+    XR_TYPE_CAMERA_CAPABILITY_IMAGE_RESOLUTION_AND_FRAME_RATE_BD = 1000755009,
+    XR_TYPE_CAMERA_SUPPORTED_CAPABILITY_DATA_TRANSFER_TYPE_BD = 1000755010,
+    XR_TYPE_CAMERA_CAPABILITY_DATA_TRANSFER_TYPE_BD = 1000755011,
+    XR_TYPE_CAMERA_SUPPORTED_CAPABILITY_IMAGE_FORMAT_BD = 1000755012,
+    XR_TYPE_CAMERA_CAPABILITY_IMAGE_FORMAT_BD = 1000755013,
+    XR_TYPE_CAMERA_SUPPORTED_CAPABILITY_CAMERA_MODEL_BD = 1000755014,
+    XR_TYPE_CAMERA_CAPABILITY_CAMERA_MODEL_BD = 1000755015,
+    XR_TYPE_CAMERA_DEVICE_CREATE_INFO_BD = 1000755016,
+    XR_TYPE_CREATE_CAMERA_DEVICE_COMPLETION_BD = 1000755017,
+    XR_TYPE_CAMERA_CAPTURE_SESSION_CREATE_INFO_BD = 1000755018,
+    XR_TYPE_CREATE_CAMERA_CAPTURE_SESSION_COMPLETION_BD = 1000755019,
+    XR_TYPE_CAMERA_INTRINSICS_BD = 1000755020,
+    XR_TYPE_CAMERA_EXTRINSICS_BD = 1000755021,
+    XR_TYPE_CAMERA_CAPTURE_BEGIN_INFO_BD = 1000755022,
+    XR_TYPE_CAMERA_IMAGE_ACQUIRE_INFO_BD = 1000755023,
+    XR_TYPE_CAMERA_IMAGE_BD = 1000755024,
+    XR_TYPE_CAMERA_IMAGE_DATA_RAW_BUFFER_BD = 1000755025,
+    XR_TYPE_CAMERA_CAPABILITIES_BD = 1000755026,
+    XR_TYPE_CAMERA_CAPABILITY_TYPES_ENUMERATE_INFO_BD = 1000755027,
+    XR_TYPE_CAMERA_CAPABILITY_TYPES_BD = 1000755028,
+    XR_TYPE_CAMERA_PROPERTY_TYPES_ENUMERATE_INFO_BD = 1000755029,
+    XR_TYPE_CAMERA_PROPERTY_TYPES_BD = 1000755030,
+    XR_TYPE_AVAILABLE_CAMERA_BD = 1000755031,
+    XR_TYPE_SPATIAL_BOUNDS_SPHEREF_ANDROID = 1000761000,
+    XR_TYPE_SPATIAL_BOUNDS_BOXF_ANDROID = 1000761001,
+    XR_TYPE_SPATIAL_BOUNDS_FRUSTUMF_ANDROID = 1000761002,
+    XR_TYPE_SPATIAL_CAPABILITY_CONFIGURATION_ANCHOR_EXT = 1000762000,
+    XR_TYPE_SPATIAL_COMPONENT_ANCHOR_LIST_EXT = 1000762001,
+    XR_TYPE_SPATIAL_ANCHOR_CREATE_INFO_EXT = 1000762002,
+    XR_TYPE_SPATIAL_PERSISTENCE_CONTEXT_CREATE_INFO_EXT = 1000763000,
+    XR_TYPE_CREATE_SPATIAL_PERSISTENCE_CONTEXT_COMPLETION_EXT = 1000763001,
+    XR_TYPE_SPATIAL_CONTEXT_PERSISTENCE_CONFIG_EXT = 1000763002,
+    XR_TYPE_SPATIAL_DISCOVERY_PERSISTENCE_UUID_FILTER_EXT = 1000763003,
+    XR_TYPE_SPATIAL_COMPONENT_PERSISTENCE_LIST_EXT = 1000763004,
+    XR_TYPE_HAPTIC_PARAMETRIC_VIBRATION_EXT = 1000775000,
+    XR_TYPE_HAPTIC_PARAMETRIC_PROPERTIES_EXT = 1000775001,
+    XR_TYPE_SYSTEM_HAPTIC_PARAMETRIC_PROPERTIES_EXT = 1000775002,
+    XR_TYPE_COLOR_SPACES_ENUMERATE_INFO_SONY = 1000776000,
+    XR_TYPE_SWAPCHAIN_CREATE_INFO_COLOR_SPACE_SONY = 1000776001,
+    XR_TYPE_HDR_METADATA_SONY = 1000777000,
+    XR_TYPE_SPATIAL_ENTITY_PERSIST_INFO_EXT = 1000781000,
+    XR_TYPE_PERSIST_SPATIAL_ENTITY_COMPLETION_EXT = 1000781001,
+    XR_TYPE_SPATIAL_ENTITY_UNPERSIST_INFO_EXT = 1000781002,
+    XR_TYPE_UNPERSIST_SPATIAL_ENTITY_COMPLETION_EXT = 1000781003,
+    XR_TYPE_SPATIAL_REFERENCE_IMAGE_EXT = 1000782000,
+    XR_TYPE_SPATIAL_IMAGE_STATIC_OPTIMIZATION_EXT = 1000782001,
+    XR_TYPE_SPATIAL_IMAGE_SIZE_EXT = 1000782002,
+    XR_TYPE_SPATIAL_CAPABILITY_CONFIGURATION_IMAGE_TRACKING_EXT = 1000782003,
+    XR_TYPE_SPATIAL_IMAGE_TRACKING_DATABASE_CREATE_INFO_EXT = 1000782004,
+    XR_TYPE_SPATIAL_COMPONENT_IMAGE_2D_LIST_EXT = 1000782005,
+    XR_TYPE_CREATE_SPATIAL_IMAGE_TRACKING_DATABASE_COMPLETION_EXT = 1000782006,
+    XR_TYPE_SPATIAL_CAPABILITY_CONFIGURATION_OBJECT_TRACKING_ANDROID = 1000785000,
+    XR_TYPE_SPATIAL_COMPONENT_OBJECT_SEMANTIC_LABEL_LIST_ANDROID = 1000785001,
+    XR_TYPE_SPATIAL_CAPABILITY_CONFIGURATION_DEPTH_RAYCAST_ANDROID = 1000786000,
+    XR_TYPE_SPATIAL_RAYCAST_INFO_ANDROID = 1000786001,
+    XR_TYPE_SPATIAL_COMPONENT_RAYCAST_RESULT_LIST_ANDROID = 1000786002,
+    XR_TYPE_SPATIAL_RAYCAST_SNAPSHOT_CREATE_INFO_ANDROID = 1000786003,
+    XR_TYPE_GOOGLE_CLOUD_AUTH_INFO_API_KEY_ANDROID = 1000787000,
+    XR_TYPE_GOOGLE_CLOUD_AUTH_INFO_TOKEN_ANDROID = 1000787001,
+    XR_TYPE_GOOGLE_CLOUD_AUTH_INFO_KEYLESS_ANDROID = 1000787002,
+    XR_TYPE_GOOGLE_CLOUD_AUTH_ERROR_RESULT_ANDROID = 1000787003,
+    XR_TYPE_SYSTEM_GEOSPATIAL_PROPERTIES_ANDROID = 1000789000,
+    XR_TYPE_GEOSPATIAL_TRACKER_CREATE_INFO_ANDROID = 1000789001,
+    XR_TYPE_EVENT_DATA_GEOSPATIAL_TRACKER_STATE_CHANGED_ANDROID = 1000789002,
+    XR_TYPE_GEOSPATIAL_POSE_FROM_POSE_LOCATE_INFO_ANDROID = 1000789003,
+    XR_TYPE_GEOSPATIAL_POSE_RESULT_ANDROID = 1000789004,
+    XR_TYPE_GEOSPATIAL_POSE_LOCATE_INFO_ANDROID = 1000789005,
+    XR_TYPE_VPS_AVAILABILITY_CHECK_COMPLETION_ANDROID = 1000789006,
+    XR_TYPE_SPATIAL_ANCHOR_PARENT_ANDROID = 1000790000,
+    XR_TYPE_SPATIAL_DISCOVERY_UNIQUE_ENTITIES_FILTER_ANDROID = 1000791001,
+    XR_TYPE_SPATIAL_COMPONENT_SUBSUMED_BY_LIST_ANDROID = 1000791002,
+    XR_TYPE_SPATIAL_ANCHOR_SPACE_FROM_ID_CREATE_INFO_ANDROID = 1000795000,
+    XR_TYPE_GEOSPATIAL_ANCHOR_CREATE_INFO_ANDROID = 1000797000,
+    XR_TYPE_SURFACE_ANCHOR_CREATE_INFO_ANDROID = 1000797001,
+    XR_TYPE_SURFACE_ANCHOR_CREATE_COMPLETION_ANDROID = 1000797002,
+    XR_TYPE_SYSTEM_GEOSPATIAL_ANCHOR_PROPERTIES_ANDROID = 1000797003,
+    XR_TYPE_GEOSPATIAL_TRACKER_ANCHOR_TRACKING_INFO_ANDROID = 1000797004,
+    XR_TYPE_SPATIAL_CONTAINER_CREATE_INFO_EXT = 1000810000,
+    XR_TYPE_SPATIAL_CONTAINER_SPACE_CREATE_INFO_EXT = 1000810001,
+    XR_TYPE_EVENT_DATA_SPATIAL_CONTAINER_CLOSED_EXT = 1000810003,
+    XR_TYPE_SYSTEM_SPATIAL_CONTAINER_PROPERTIES_EXT = 1000810004,
+    XR_TYPE_SPATIAL_CONTAINER_BOUNDS_EXT = 1000810005,
+    XR_TYPE_EVENT_DATA_SPATIAL_CONTAINER_BOUNDS_CHANGED_EXT = 1000810006,
+    XR_TYPE_SPATIAL_CONTAINER_BOUNDS_GET_INFO_EXT = 1000810007,
+    XR_TYPE_SPATIAL_CONTAINER_STATE_GET_INFO_EXT = 1000810008,
+    XR_TYPE_SPATIAL_CONTAINER_VISIBLE_REQUEST_INFO_EXT = 1000810009,
+    XR_TYPE_EVENT_DATA_SPATIAL_CONTAINER_VISIBLE_CHANGED_EXT = 1000810010,
+    XR_TYPE_EVENT_DATA_SPATIAL_CONTAINER_VISIBLE_REQUEST_DENIED_EXT = 1000810011,
+    XR_TYPE_EVENT_DATA_SPATIAL_CONTAINER_INTERACTABLE_CHANGED_EXT = 1000810012,
+    XR_TYPE_SPATIAL_CONTAINER_BOUNDS_MODE_REQUEST_INFO_EXT = 1000810013,
+    XR_TYPE_EVENT_DATA_SPATIAL_CONTAINER_BOUNDS_MODE_REQUEST_DENIED_EXT = 1000810014,
+    XR_TYPE_SPATIAL_CONTAINER_STATE_EXT = 1000810015,
+    XR_TYPE_SESSION_CREATE_INFO_SPATIAL_CONTAINERS_EXT = 1000810016,
+    XR_TYPE_SPATIAL_CONTAINER_VIEW_LOCATE_INFO_EXT = 1000813000,
+    XR_TYPE_SPATIAL_CONTAINER_VIEWS_LOCATE_INFO_EXT = 1000813001,
+    XR_TYPE_SPATIAL_CONTAINER_VIEW_STATE_EXT = 1000813002,
+    XR_TYPE_SPATIAL_CONTAINER_LAYER_EXT = 1000813003,
+    XR_TYPE_SPATIAL_CONTAINER_LAYER_FRAME_END_INFO_EXT = 1000813004,
+    XR_TYPE_SPATIAL_CONTAINER_BEGIN_INFO_EXT = 1000813005,
+    XR_TYPE_SPATIAL_CONTAINER_COMPOSITION_LAYER_VIEW_CONFIGURATION_EXT = 1000813006,
+    XR_TYPE_SPATIAL_CONTAINER_END_INFO_EXT = 1000813007,
+    XR_TYPE_SPATIAL_CONTAINER_LAYER_VOLUME_CLIPPING_EXT = 1000813008,
+    XR_TYPE_BATTERY_STATE_DISPLAY_EXT = 1000836000,
+    XR_TYPE_LOADER_INIT_INFO_PROPERTIES_EXT = 1000838000,
+    XR_TYPE_EVENT_DATA_VIEW_CONFIGURATION_VIEWS_CHANGED_EXT = 1000839000,
+    XR_TYPE_GRAPHICS_BINDING_VULKAN2_KHR = XR_TYPE_GRAPHICS_BINDING_VULKAN_KHR,
+    XR_TYPE_SWAPCHAIN_IMAGE_VULKAN2_KHR = XR_TYPE_SWAPCHAIN_IMAGE_VULKAN_KHR,
+    XR_TYPE_GRAPHICS_REQUIREMENTS_VULKAN2_KHR = XR_TYPE_GRAPHICS_REQUIREMENTS_VULKAN_KHR,
+    XR_TYPE_DEVICE_PCM_SAMPLE_RATE_GET_INFO_FB = XR_TYPE_DEVICE_PCM_SAMPLE_RATE_STATE_FB,
+    XR_TYPE_SPACES_LOCATE_INFO_KHR = XR_TYPE_SPACES_LOCATE_INFO,
+    XR_TYPE_SPACE_LOCATIONS_KHR = XR_TYPE_SPACE_LOCATIONS,
+    XR_TYPE_SPACE_VELOCITIES_KHR = XR_TYPE_SPACE_VELOCITIES,
+    XR_STRUCTURE_TYPE_MAX_ENUM = 0x7FFFFFFF
+} XrStructureType;
+
+typedef enum XrFormFactor {
+    XR_FORM_FACTOR_HEAD_MOUNTED_DISPLAY = 1,
+    XR_FORM_FACTOR_HANDHELD_DISPLAY = 2,
+    XR_FORM_FACTOR_MAX_ENUM = 0x7FFFFFFF
+} XrFormFactor;
+
+typedef enum XrEnvironmentBlendMode {
+    XR_ENVIRONMENT_BLEND_MODE_OPAQUE = 1,
+    XR_ENVIRONMENT_BLEND_MODE_ADDITIVE = 2,
+    XR_ENVIRONMENT_BLEND_MODE_ALPHA_BLEND = 3,
+    XR_ENVIRONMENT_BLEND_MODE_MAX_ENUM = 0x7FFFFFFF
+} XrEnvironmentBlendMode;
+
+typedef enum XrViewConfigurationType {
+    XR_VIEW_CONFIGURATION_TYPE_PRIMARY_MONO = 1,
+    XR_VIEW_CONFIGURATION_TYPE_PRIMARY_STEREO = 2,
+    XR_VIEW_CONFIGURATION_TYPE_PRIMARY_STEREO_WITH_FOVEATED_INSET = 1000037000,
+    XR_VIEW_CONFIGURATION_TYPE_SECONDARY_MONO_FIRST_PERSON_OBSERVER_MSFT = 1000054000,
+    XR_VIEW_CONFIGURATION_TYPE_PRIMARY_QUAD_VARJO = XR_VIEW_CONFIGURATION_TYPE_PRIMARY_STEREO_WITH_FOVEATED_INSET,
+    XR_VIEW_CONFIGURATION_TYPE_MAX_ENUM = 0x7FFFFFFF
+} XrViewConfigurationType;
+
+typedef enum XrReferenceSpaceType {
+    XR_REFERENCE_SPACE_TYPE_VIEW = 1,
+    XR_REFERENCE_SPACE_TYPE_LOCAL = 2,
+    XR_REFERENCE_SPACE_TYPE_STAGE = 3,
+    XR_REFERENCE_SPACE_TYPE_LOCAL_FLOOR = 1000426000,
+    XR_REFERENCE_SPACE_TYPE_UNBOUNDED_MSFT = 1000038000,
+    XR_REFERENCE_SPACE_TYPE_COMBINED_EYE_VARJO = 1000121000,
+    XR_REFERENCE_SPACE_TYPE_LOCALIZATION_MAP_ML = 1000139000,
+    XR_REFERENCE_SPACE_TYPE_UNBOUNDED_ANDROID = 1000467000,
+    XR_REFERENCE_SPACE_TYPE_STATIONARY_EXT = 1000742000,
+    XR_REFERENCE_SPACE_TYPE_LOCAL_FLOOR_EXT = XR_REFERENCE_SPACE_TYPE_LOCAL_FLOOR,
+    XR_REFERENCE_SPACE_TYPE_MAX_ENUM = 0x7FFFFFFF
+} XrReferenceSpaceType;
+
+typedef enum XrEyeVisibility {
+    XR_EYE_VISIBILITY_BOTH = 0,
+    XR_EYE_VISIBILITY_LEFT = 1,
+    XR_EYE_VISIBILITY_RIGHT = 2,
+    XR_EYE_VISIBILITY_MAX_ENUM = 0x7FFFFFFF
+} XrEyeVisibility;
+
+typedef enum XrActionType {
+    XR_ACTION_TYPE_BOOLEAN_INPUT = 1,
+    XR_ACTION_TYPE_FLOAT_INPUT = 2,
+    XR_ACTION_TYPE_VECTOR2F_INPUT = 3,
+    XR_ACTION_TYPE_POSE_INPUT = 4,
+    XR_ACTION_TYPE_VIBRATION_OUTPUT = 100,
+    XR_ACTION_TYPE_MAX_ENUM = 0x7FFFFFFF
+} XrActionType;
+
+typedef enum XrSessionState {
+    XR_SESSION_STATE_UNKNOWN = 0,
+    XR_SESSION_STATE_IDLE = 1,
+    XR_SESSION_STATE_READY = 2,
+    XR_SESSION_STATE_SYNCHRONIZED = 3,
+    XR_SESSION_STATE_VISIBLE = 4,
+    XR_SESSION_STATE_FOCUSED = 5,
+    XR_SESSION_STATE_STOPPING = 6,
+    XR_SESSION_STATE_LOSS_PENDING = 7,
+    XR_SESSION_STATE_EXITING = 8,
+    XR_SESSION_STATE_MAX_ENUM = 0x7FFFFFFF
+} XrSessionState;
+
+typedef enum XrObjectType {
+    XR_OBJECT_TYPE_UNKNOWN = 0,
+    XR_OBJECT_TYPE_INSTANCE = 1,
+    XR_OBJECT_TYPE_SESSION = 2,
+    XR_OBJECT_TYPE_SWAPCHAIN = 3,
+    XR_OBJECT_TYPE_SPACE = 4,
+    XR_OBJECT_TYPE_ACTION_SET = 5,
+    XR_OBJECT_TYPE_ACTION = 6,
+    XR_OBJECT_TYPE_DEBUG_UTILS_MESSENGER_EXT = 1000019000,
+    XR_OBJECT_TYPE_SPATIAL_ANCHOR_MSFT = 1000039000,
+    XR_OBJECT_TYPE_SPATIAL_GRAPH_NODE_BINDING_MSFT = 1000049000,
+    XR_OBJECT_TYPE_HAND_TRACKER_EXT = 1000051000,
+    XR_OBJECT_TYPE_BODY_TRACKER_FB = 1000076000,
+    XR_OBJECT_TYPE_SCENE_OBSERVER_MSFT = 1000097000,
+    XR_OBJECT_TYPE_SCENE_MSFT = 1000097001,
+    XR_OBJECT_TYPE_FACIAL_TRACKER_HTC = 1000104000,
+    XR_OBJECT_TYPE_FOVEATION_PROFILE_FB = 1000114000,
+    XR_OBJECT_TYPE_TRIANGLE_MESH_FB = 1000117000,
+    XR_OBJECT_TYPE_PASSTHROUGH_FB = 1000118000,
+    XR_OBJECT_TYPE_PASSTHROUGH_LAYER_FB = 1000118002,
+    XR_OBJECT_TYPE_GEOMETRY_INSTANCE_FB = 1000118004,
+    XR_OBJECT_TYPE_MARKER_DETECTOR_ML = 1000138000,
+    XR_OBJECT_TYPE_EXPORTED_LOCALIZATION_MAP_ML = 1000139000,
+    XR_OBJECT_TYPE_SPATIAL_ANCHORS_STORAGE_ML = 1000141000,
+    XR_OBJECT_TYPE_SPATIAL_ANCHOR_STORE_CONNECTION_MSFT = 1000142000,
+    XR_OBJECT_TYPE_FACE_TRACKER_FB = 1000201000,
+    XR_OBJECT_TYPE_EYE_TRACKER_FB = 1000202000,
+    XR_OBJECT_TYPE_VIRTUAL_KEYBOARD_META = 1000219000,
+    XR_OBJECT_TYPE_SPACE_USER_FB = 1000241000,
+    XR_OBJECT_TYPE_PASSTHROUGH_COLOR_LUT_META = 1000266000,
+    XR_OBJECT_TYPE_FACE_TRACKER2_FB = 1000287012,
+    XR_OBJECT_TYPE_ENVIRONMENT_DEPTH_PROVIDER_META = 1000291000,
+    XR_OBJECT_TYPE_ENVIRONMENT_DEPTH_SWAPCHAIN_META = 1000291001,
+    XR_OBJECT_TYPE_RENDER_MODEL_EXT = 1000300000,
+    XR_OBJECT_TYPE_RENDER_MODEL_ASSET_EXT = 1000300001,
+    XR_OBJECT_TYPE_PASSTHROUGH_HTC = 1000317000,
+    XR_OBJECT_TYPE_BODY_TRACKER_HTC = 1000320000,
+    XR_OBJECT_TYPE_BODY_TRACKER_BD = 1000385000,
+    XR_OBJECT_TYPE_FACE_TRACKER_BD = 1000386000,
+    XR_OBJECT_TYPE_SENSE_DATA_PROVIDER_BD = 1000389000,
+    XR_OBJECT_TYPE_SENSE_DATA_SNAPSHOT_BD = 1000389001,
+    XR_OBJECT_TYPE_ANCHOR_BD = 1000389002,
+    XR_OBJECT_TYPE_SPATIAL_AUDIO_RENDERER_BD = 1000409000,
+    XR_OBJECT_TYPE_SOUND_FIELD_BD = 1000409001,
+    XR_OBJECT_TYPE_SOUND_OBJECT_BD = 1000409002,
+    XR_OBJECT_TYPE_SOUND_OBSTACLE_BD = 1000409003,
+    XR_OBJECT_TYPE_SOUND_OBSTACLE_MATERIAL_BD = 1000409004,
+    XR_OBJECT_TYPE_PLANE_DETECTOR_EXT = 1000429000,
+    XR_OBJECT_TYPE_TRACKABLE_TRACKER_ANDROID = 1000455001,
+    XR_OBJECT_TYPE_EYE_TRACKER_ANDROID = 1000456000,
+    XR_OBJECT_TYPE_DEVICE_ANCHOR_PERSISTENCE_ANDROID = 1000457000,
+    XR_OBJECT_TYPE_FACE_TRACKER_ANDROID = 1000458000,
+    XR_OBJECT_TYPE_PASSTHROUGH_LAYER_ANDROID = 1000462000,
+    XR_OBJECT_TYPE_WORLD_MESH_DETECTOR_ML = 1000474000,
+    XR_OBJECT_TYPE_FACIAL_EXPRESSION_CLIENT_ML = 1000482000,
+    XR_OBJECT_TYPE_ENVIRONMENT_RAYCASTER_META = 1000592000,
+    XR_OBJECT_TYPE_LIGHT_ESTIMATOR_ANDROID = 1000700000,
+    XR_OBJECT_TYPE_TRACKABLE_IMAGE_DATABASE_ANDROID = 1000709000,
+    XR_OBJECT_TYPE_SCENE_MESHING_TRACKER_ANDROID = 1000718000,
+    XR_OBJECT_TYPE_SCENE_MESH_SNAPSHOT_ANDROID = 1000718001,
+    XR_OBJECT_TYPE_SPATIAL_ENTITY_EXT = 1000740000,
+    XR_OBJECT_TYPE_SPATIAL_CONTEXT_EXT = 1000740001,
+    XR_OBJECT_TYPE_SPATIAL_SNAPSHOT_EXT = 1000740002,
+    XR_OBJECT_TYPE_CAMERA_DEVICE_BD = 1000755000,
+    XR_OBJECT_TYPE_CAMERA_CAPTURE_SESSION_BD = 1000755001,
+    XR_OBJECT_TYPE_SPATIAL_PERSISTENCE_CONTEXT_EXT = 1000763000,
+    XR_OBJECT_TYPE_SPATIAL_IMAGE_TRACKING_DATABASE_EXT = 1000782000,
+    XR_OBJECT_TYPE_GEOSPATIAL_TRACKER_ANDROID = 1000789000,
+    XR_OBJECT_TYPE_SPATIAL_CONTAINER_EXT = 1000810000,
+    XR_OBJECT_TYPE_MAX_ENUM = 0x7FFFFFFF
+} XrObjectType;
+typedef XrFlags64 XrInstanceCreateFlags;
+
+// Flag bits for XrInstanceCreateFlags
+
+typedef XrFlags64 XrSessionCreateFlags;
+
+// Flag bits for XrSessionCreateFlags
+
+typedef XrFlags64 XrSpaceLocationFlags;
+
+// Flag bits for XrSpaceLocationFlags
+static const XrSpaceLocationFlags XR_SPACE_LOCATION_ORIENTATION_VALID_BIT = 0x00000001;
+static const XrSpaceLocationFlags XR_SPACE_LOCATION_POSITION_VALID_BIT = 0x00000002;
+static const XrSpaceLocationFlags XR_SPACE_LOCATION_ORIENTATION_TRACKED_BIT = 0x00000004;
+static const XrSpaceLocationFlags XR_SPACE_LOCATION_POSITION_TRACKED_BIT = 0x00000008;
+
+typedef XrFlags64 XrSpaceVelocityFlags;
+
+// Flag bits for XrSpaceVelocityFlags
+static const XrSpaceVelocityFlags XR_SPACE_VELOCITY_LINEAR_VALID_BIT = 0x00000001;
+static const XrSpaceVelocityFlags XR_SPACE_VELOCITY_ANGULAR_VALID_BIT = 0x00000002;
+
+typedef XrFlags64 XrSwapchainCreateFlags;
+
+// Flag bits for XrSwapchainCreateFlags
+static const XrSwapchainCreateFlags XR_SWAPCHAIN_CREATE_PROTECTED_CONTENT_BIT = 0x00000001;
+static const XrSwapchainCreateFlags XR_SWAPCHAIN_CREATE_STATIC_IMAGE_BIT = 0x00000002;
+
+typedef XrFlags64 XrSwapchainUsageFlags;
+
+// Flag bits for XrSwapchainUsageFlags
+static const XrSwapchainUsageFlags XR_SWAPCHAIN_USAGE_COLOR_ATTACHMENT_BIT = 0x00000001;
+static const XrSwapchainUsageFlags XR_SWAPCHAIN_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT = 0x00000002;
+static const XrSwapchainUsageFlags XR_SWAPCHAIN_USAGE_UNORDERED_ACCESS_BIT = 0x00000004;
+static const XrSwapchainUsageFlags XR_SWAPCHAIN_USAGE_TRANSFER_SRC_BIT = 0x00000008;
+static const XrSwapchainUsageFlags XR_SWAPCHAIN_USAGE_TRANSFER_DST_BIT = 0x00000010;
+static const XrSwapchainUsageFlags XR_SWAPCHAIN_USAGE_SAMPLED_BIT = 0x00000020;
+static const XrSwapchainUsageFlags XR_SWAPCHAIN_USAGE_MUTABLE_FORMAT_BIT = 0x00000040;
+static const XrSwapchainUsageFlags XR_SWAPCHAIN_USAGE_INPUT_ATTACHMENT_BIT_MND = 0x00000080;
+static const XrSwapchainUsageFlags XR_SWAPCHAIN_USAGE_INPUT_ATTACHMENT_BIT_KHR = 0x00000080;  // alias of XR_SWAPCHAIN_USAGE_INPUT_ATTACHMENT_BIT_MND
+
+typedef XrFlags64 XrCompositionLayerFlags;
+
+// Flag bits for XrCompositionLayerFlags
+// XR_COMPOSITION_LAYER_CORRECT_CHROMATIC_ABERRATION_BIT is deprecated and should not be used
+static const XrCompositionLayerFlags XR_COMPOSITION_LAYER_CORRECT_CHROMATIC_ABERRATION_BIT = 0x00000001;
+static const XrCompositionLayerFlags XR_COMPOSITION_LAYER_BLEND_TEXTURE_SOURCE_ALPHA_BIT = 0x00000002;
+static const XrCompositionLayerFlags XR_COMPOSITION_LAYER_UNPREMULTIPLIED_ALPHA_BIT = 0x00000004;
+static const XrCompositionLayerFlags XR_COMPOSITION_LAYER_INVERTED_ALPHA_BIT_EXT = 0x00000008;
+
+typedef XrFlags64 XrViewStateFlags;
+
+// Flag bits for XrViewStateFlags
+static const XrViewStateFlags XR_VIEW_STATE_ORIENTATION_VALID_BIT = 0x00000001;
+static const XrViewStateFlags XR_VIEW_STATE_POSITION_VALID_BIT = 0x00000002;
+static const XrViewStateFlags XR_VIEW_STATE_ORIENTATION_TRACKED_BIT = 0x00000004;
+static const XrViewStateFlags XR_VIEW_STATE_POSITION_TRACKED_BIT = 0x00000008;
+
+typedef XrFlags64 XrInputSourceLocalizedNameFlags;
+
+// Flag bits for XrInputSourceLocalizedNameFlags
+static const XrInputSourceLocalizedNameFlags XR_INPUT_SOURCE_LOCALIZED_NAME_USER_PATH_BIT = 0x00000001;
+static const XrInputSourceLocalizedNameFlags XR_INPUT_SOURCE_LOCALIZED_NAME_INTERACTION_PROFILE_BIT = 0x00000002;
+static const XrInputSourceLocalizedNameFlags XR_INPUT_SOURCE_LOCALIZED_NAME_COMPONENT_BIT = 0x00000004;
+
+typedef void (XRAPI_PTR *PFN_xrVoidFunction)(void);
+typedef struct XrApiLayerProperties {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    char                  layerName[XR_MAX_API_LAYER_NAME_SIZE];
+    XrVersion             specVersion;
+    uint32_t              layerVersion;
+    char                  description[XR_MAX_API_LAYER_DESCRIPTION_SIZE];
+} XrApiLayerProperties;
+
+typedef struct XrExtensionProperties {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    char                  extensionName[XR_MAX_EXTENSION_NAME_SIZE];
+    uint32_t              extensionVersion;
+} XrExtensionProperties;
+
+typedef struct XrApplicationInfo {
+    char         applicationName[XR_MAX_APPLICATION_NAME_SIZE];
+    uint32_t     applicationVersion;
+    char         engineName[XR_MAX_ENGINE_NAME_SIZE];
+    uint32_t     engineVersion;
+    XrVersion    apiVersion;
+} XrApplicationInfo;
+
+typedef struct XrInstanceCreateInfo {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrInstanceCreateFlags       createFlags;
+    XrApplicationInfo           applicationInfo;
+    uint32_t                    enabledApiLayerCount;
+    const char* const*          enabledApiLayerNames;
+    uint32_t                    enabledExtensionCount;
+    const char* const*          enabledExtensionNames;
+} XrInstanceCreateInfo;
+
+typedef struct XrInstanceProperties {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrVersion             runtimeVersion;
+    char                  runtimeName[XR_MAX_RUNTIME_NAME_SIZE];
+} XrInstanceProperties;
+
+typedef struct XrEventDataBuffer {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint8_t                     varying[4000];
+} XrEventDataBuffer;
+
+typedef struct XrSystemGetInfo {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrFormFactor                formFactor;
+} XrSystemGetInfo;
+
+typedef struct XrSystemGraphicsProperties {
+    uint32_t    maxSwapchainImageHeight;
+    uint32_t    maxSwapchainImageWidth;
+    uint32_t    maxLayerCount;
+} XrSystemGraphicsProperties;
+
+typedef struct XrSystemTrackingProperties {
+    XrBool32    orientationTracking;
+    XrBool32    positionTracking;
+} XrSystemTrackingProperties;
+
+typedef struct XrSystemProperties {
+    XrStructureType               type;
+    void* XR_MAY_ALIAS            next;
+    XrSystemId                    systemId;
+    uint32_t                      vendorId;
+    char                          systemName[XR_MAX_SYSTEM_NAME_SIZE];
+    XrSystemGraphicsProperties    graphicsProperties;
+    XrSystemTrackingProperties    trackingProperties;
+} XrSystemProperties;
+
+typedef struct XrSessionCreateInfo {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSessionCreateFlags        createFlags;
+    XrSystemId                  systemId;
+} XrSessionCreateInfo;
+
+typedef struct XrQuaternionf {
+    float    x;
+    float    y;
+    float    z;
+    float    w;
+} XrQuaternionf;
+
+typedef struct XrVector3f {
+    float    x;
+    float    y;
+    float    z;
+} XrVector3f;
+
+typedef struct XrPosef {
+    XrQuaternionf    orientation;
+    XrVector3f       position;
+} XrPosef;
+
+typedef struct XrReferenceSpaceCreateInfo {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrReferenceSpaceType        referenceSpaceType;
+    XrPosef                     poseInReferenceSpace;
+} XrReferenceSpaceCreateInfo;
+
+typedef struct XrActionSpaceCreateInfo {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAction                    action;
+    XrPath                      subactionPath;
+    XrPosef                     poseInActionSpace;
+} XrActionSpaceCreateInfo;
+
+typedef struct XrSpaceLocation {
+    XrStructureType         type;
+    void* XR_MAY_ALIAS      next;
+    XrSpaceLocationFlags    locationFlags;
+    XrPosef                 pose;
+} XrSpaceLocation;
+
+// XrSpaceVelocity extends XrSpaceLocation
+typedef struct XrSpaceVelocity {
+    XrStructureType         type;
+    void* XR_MAY_ALIAS      next;
+    XrSpaceVelocityFlags    velocityFlags;
+    XrVector3f              linearVelocity;
+    XrVector3f              angularVelocity;
+} XrSpaceVelocity;
+
+typedef struct XrExtent2Df {
+    float    width;
+    float    height;
+} XrExtent2Df;
+
+typedef struct XrViewConfigurationProperties {
+    XrStructureType            type;
+    void* XR_MAY_ALIAS         next;
+    XrViewConfigurationType    viewConfigurationType;
+    XrBool32                   fovMutable;
+} XrViewConfigurationProperties;
+
+typedef struct XrViewConfigurationView {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              recommendedImageRectWidth;
+    uint32_t              maxImageRectWidth;
+    uint32_t              recommendedImageRectHeight;
+    uint32_t              maxImageRectHeight;
+    uint32_t              recommendedSwapchainSampleCount;
+    uint32_t              maxSwapchainSampleCount;
+} XrViewConfigurationView;
+
+typedef struct XrSwapchainCreateInfo {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSwapchainCreateFlags      createFlags;
+    XrSwapchainUsageFlags       usageFlags;
+    int64_t                     format;
+    uint32_t                    sampleCount;
+    uint32_t                    width;
+    uint32_t                    height;
+    uint32_t                    faceCount;
+    uint32_t                    arraySize;
+    uint32_t                    mipCount;
+} XrSwapchainCreateInfo;
+
+typedef struct XR_MAY_ALIAS XrSwapchainImageBaseHeader {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+} XrSwapchainImageBaseHeader;
+
+typedef struct XrSwapchainImageAcquireInfo {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrSwapchainImageAcquireInfo;
+
+typedef struct XrSwapchainImageWaitInfo {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrDuration                  timeout;
+} XrSwapchainImageWaitInfo;
+
+typedef struct XrSwapchainImageReleaseInfo {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrSwapchainImageReleaseInfo;
+
+typedef struct XrSessionBeginInfo {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrViewConfigurationType     primaryViewConfigurationType;
+} XrSessionBeginInfo;
+
+typedef struct XrFrameState {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrTime                predictedDisplayTime;
+    XrDuration            predictedDisplayPeriod;
+    XrBool32              shouldRender;
+} XrFrameState;
+
+typedef struct XrFrameWaitInfo {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrFrameWaitInfo;
+
+typedef struct XrFrameBeginInfo {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrFrameBeginInfo;
+
+typedef struct XR_MAY_ALIAS XrCompositionLayerBaseHeader {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrCompositionLayerFlags     layerFlags;
+    XrSpace                     space;
+} XrCompositionLayerBaseHeader;
+
+typedef struct XrFrameEndInfo {
+    XrStructureType                               type;
+    const void* XR_MAY_ALIAS                      next;
+    XrTime                                        displayTime;
+    XrEnvironmentBlendMode                        environmentBlendMode;
+    uint32_t                                      layerCount;
+    const XrCompositionLayerBaseHeader* const*    layers;
+} XrFrameEndInfo;
+
+typedef struct XrViewState {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrViewStateFlags      viewStateFlags;
+} XrViewState;
+
+typedef struct XrViewLocateInfo {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrViewConfigurationType     viewConfigurationType;
+    XrTime                      displayTime;
+    XrSpace                     space;
+} XrViewLocateInfo;
+
+typedef struct XrFovf {
+    float    angleLeft;
+    float    angleRight;
+    float    angleUp;
+    float    angleDown;
+} XrFovf;
+
+typedef struct XrView {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrPosef               pose;
+    XrFovf                fov;
+} XrView;
+
+typedef struct XrActionSetCreateInfo {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    char                        actionSetName[XR_MAX_ACTION_SET_NAME_SIZE];
+    char                        localizedActionSetName[XR_MAX_LOCALIZED_ACTION_SET_NAME_SIZE];
+    uint32_t                    priority;
+} XrActionSetCreateInfo;
+
+typedef struct XrActionCreateInfo {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    char                        actionName[XR_MAX_ACTION_NAME_SIZE];
+    XrActionType                actionType;
+    uint32_t                    countSubactionPaths;
+    const XrPath*               subactionPaths;
+    char                        localizedActionName[XR_MAX_LOCALIZED_ACTION_NAME_SIZE];
+} XrActionCreateInfo;
+
+typedef struct XrActionSuggestedBinding {
+    XrAction    action;
+    XrPath      binding;
+} XrActionSuggestedBinding;
+
+typedef struct XrInteractionProfileSuggestedBinding {
+    XrStructureType                    type;
+    const void* XR_MAY_ALIAS           next;
+    XrPath                             interactionProfile;
+    uint32_t                           countSuggestedBindings;
+    const XrActionSuggestedBinding*    suggestedBindings;
+} XrInteractionProfileSuggestedBinding;
+
+typedef struct XrSessionActionSetsAttachInfo {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    countActionSets;
+    const XrActionSet*          actionSets;
+} XrSessionActionSetsAttachInfo;
+
+typedef struct XrInteractionProfileState {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrPath                interactionProfile;
+} XrInteractionProfileState;
+
+typedef struct XrActionStateGetInfo {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAction                    action;
+    XrPath                      subactionPath;
+} XrActionStateGetInfo;
+
+typedef struct XrActionStateBoolean {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              currentState;
+    XrBool32              changedSinceLastSync;
+    XrTime                lastChangeTime;
+    XrBool32              isActive;
+} XrActionStateBoolean;
+
+typedef struct XrActionStateFloat {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    float                 currentState;
+    XrBool32              changedSinceLastSync;
+    XrTime                lastChangeTime;
+    XrBool32              isActive;
+} XrActionStateFloat;
+
+typedef struct XrVector2f {
+    float    x;
+    float    y;
+} XrVector2f;
+
+typedef struct XrActionStateVector2f {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrVector2f            currentState;
+    XrBool32              changedSinceLastSync;
+    XrTime                lastChangeTime;
+    XrBool32              isActive;
+} XrActionStateVector2f;
+
+typedef struct XrActionStatePose {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              isActive;
+} XrActionStatePose;
+
+typedef struct XrActiveActionSet {
+    XrActionSet    actionSet;
+    XrPath         subactionPath;
+} XrActiveActionSet;
+
+typedef struct XrActionsSyncInfo {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    countActiveActionSets;
+    const XrActiveActionSet*    activeActionSets;
+} XrActionsSyncInfo;
+
+typedef struct XrBoundSourcesForActionEnumerateInfo {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAction                    action;
+} XrBoundSourcesForActionEnumerateInfo;
+
+typedef struct XrInputSourceLocalizedNameGetInfo {
+    XrStructureType                    type;
+    const void* XR_MAY_ALIAS           next;
+    XrPath                             sourcePath;
+    XrInputSourceLocalizedNameFlags    whichComponents;
+} XrInputSourceLocalizedNameGetInfo;
+
+typedef struct XR_MAY_ALIAS XrHapticBaseHeader {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrHapticBaseHeader;
+
+typedef struct XrHapticActionInfo {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAction                    action;
+    XrPath                      subactionPath;
+} XrHapticActionInfo;
+
+typedef struct XR_MAY_ALIAS XrBaseInStructure {
+    XrStructureType                    type;
+    const struct XrBaseInStructure*    next;
+} XrBaseInStructure;
+
+typedef struct XR_MAY_ALIAS XrBaseOutStructure {
+    XrStructureType               type;
+    struct XrBaseOutStructure*    next;
+} XrBaseOutStructure;
+
+typedef struct XrOffset2Di {
+    int32_t    x;
+    int32_t    y;
+} XrOffset2Di;
+
+typedef struct XrExtent2Di {
+    int32_t    width;
+    int32_t    height;
+} XrExtent2Di;
+
+typedef struct XrRect2Di {
+    XrOffset2Di    offset;
+    XrExtent2Di    extent;
+} XrRect2Di;
+
+typedef struct XrSwapchainSubImage {
+    XrSwapchain    swapchain;
+    XrRect2Di      imageRect;
+    uint32_t       imageArrayIndex;
+} XrSwapchainSubImage;
+
+typedef struct XrCompositionLayerProjectionView {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrPosef                     pose;
+    XrFovf                      fov;
+    XrSwapchainSubImage         subImage;
+} XrCompositionLayerProjectionView;
+
+typedef struct XrCompositionLayerProjection {
+    XrStructureType                            type;
+    const void* XR_MAY_ALIAS                   next;
+    XrCompositionLayerFlags                    layerFlags;
+    XrSpace                                    space;
+    uint32_t                                   viewCount;
+    const XrCompositionLayerProjectionView*    views;
+} XrCompositionLayerProjection;
+
+typedef struct XrCompositionLayerQuad {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrCompositionLayerFlags     layerFlags;
+    XrSpace                     space;
+    XrEyeVisibility             eyeVisibility;
+    XrSwapchainSubImage         subImage;
+    XrPosef                     pose;
+    XrExtent2Df                 size;
+} XrCompositionLayerQuad;
+
+typedef struct XR_MAY_ALIAS XrEventDataBaseHeader {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrEventDataBaseHeader;
+
+typedef struct XrEventDataEventsLost {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    lostEventCount;
+} XrEventDataEventsLost;
+
+typedef struct XrEventDataInstanceLossPending {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrTime                      lossTime;
+} XrEventDataInstanceLossPending;
+
+typedef struct XrEventDataSessionStateChanged {
+     XrStructureType            type;
+    const void* XR_MAY_ALIAS    next;
+    XrSession                   session;
+    XrSessionState              state;
+    XrTime                      time;
+} XrEventDataSessionStateChanged;
+
+typedef struct XrEventDataReferenceSpaceChangePending {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSession                   session;
+    XrReferenceSpaceType        referenceSpaceType;
+    XrTime                      changeTime;
+    XrBool32                    poseValid;
+    XrPosef                     poseInPreviousSpace;
+} XrEventDataReferenceSpaceChangePending;
+
+typedef struct XrEventDataInteractionProfileChanged {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSession                   session;
+} XrEventDataInteractionProfileChanged;
+
+typedef struct XrHapticVibration {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrDuration                  duration;
+    float                       frequency;
+    float                       amplitude;
+} XrHapticVibration;
+
+typedef struct XrOffset2Df {
+    float    x;
+    float    y;
+} XrOffset2Df;
+
+typedef struct XrRect2Df {
+    XrOffset2Df    offset;
+    XrExtent2Df    extent;
+} XrRect2Df;
+
+typedef struct XrVector4f {
+    float    x;
+    float    y;
+    float    z;
+    float    w;
+} XrVector4f;
+
+typedef struct XrColor4f {
+    float    r;
+    float    g;
+    float    b;
+    float    a;
+} XrColor4f;
+
+typedef XrResult (XRAPI_PTR *PFN_xrGetInstanceProcAddr)(XrInstance instance, const char* name, PFN_xrVoidFunction* function);
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateApiLayerProperties)(uint32_t propertyCapacityInput, uint32_t* propertyCountOutput, XrApiLayerProperties* properties);
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateInstanceExtensionProperties)(const char* layerName, uint32_t propertyCapacityInput, uint32_t* propertyCountOutput, XrExtensionProperties* properties);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateInstance)(const XrInstanceCreateInfo* createInfo, XrInstance* instance);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyInstance)(XrInstance instance);
+typedef XrResult (XRAPI_PTR *PFN_xrGetInstanceProperties)(XrInstance instance, XrInstanceProperties* instanceProperties);
+typedef XrResult (XRAPI_PTR *PFN_xrPollEvent)(XrInstance instance, XrEventDataBuffer* eventData);
+typedef XrResult (XRAPI_PTR *PFN_xrResultToString)(XrInstance instance, XrResult value, char buffer[XR_MAX_RESULT_STRING_SIZE]);
+typedef XrResult (XRAPI_PTR *PFN_xrStructureTypeToString)(XrInstance instance, XrStructureType value, char buffer[XR_MAX_STRUCTURE_NAME_SIZE]);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSystem)(XrInstance instance, const XrSystemGetInfo* getInfo, XrSystemId* systemId);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSystemProperties)(XrInstance instance, XrSystemId systemId, XrSystemProperties* properties);
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateEnvironmentBlendModes)(XrInstance instance, XrSystemId systemId, XrViewConfigurationType viewConfigurationType, uint32_t environmentBlendModeCapacityInput, uint32_t* environmentBlendModeCountOutput, XrEnvironmentBlendMode* environmentBlendModes);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSession)(XrInstance instance, const XrSessionCreateInfo* createInfo, XrSession* session);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroySession)(XrSession session);
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateReferenceSpaces)(XrSession session, uint32_t spaceCapacityInput, uint32_t* spaceCountOutput, XrReferenceSpaceType* spaces);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateReferenceSpace)(XrSession session, const XrReferenceSpaceCreateInfo* createInfo, XrSpace* space);
+typedef XrResult (XRAPI_PTR *PFN_xrGetReferenceSpaceBoundsRect)(XrSession session, XrReferenceSpaceType referenceSpaceType, XrExtent2Df* bounds);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateActionSpace)(XrSession session, const XrActionSpaceCreateInfo* createInfo, XrSpace* space);
+typedef XrResult (XRAPI_PTR *PFN_xrLocateSpace)(XrSpace space, XrSpace baseSpace, XrTime time, XrSpaceLocation* location);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroySpace)(XrSpace space);
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateViewConfigurations)(XrInstance instance, XrSystemId systemId, uint32_t viewConfigurationTypeCapacityInput, uint32_t* viewConfigurationTypeCountOutput, XrViewConfigurationType* viewConfigurationTypes);
+typedef XrResult (XRAPI_PTR *PFN_xrGetViewConfigurationProperties)(XrInstance instance, XrSystemId systemId, XrViewConfigurationType viewConfigurationType, XrViewConfigurationProperties* configurationProperties);
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateViewConfigurationViews)(XrInstance instance, XrSystemId systemId, XrViewConfigurationType viewConfigurationType, uint32_t viewCapacityInput, uint32_t* viewCountOutput, XrViewConfigurationView* views);
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateSwapchainFormats)(XrSession session, uint32_t formatCapacityInput, uint32_t* formatCountOutput, int64_t* formats);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSwapchain)(XrSession session, const XrSwapchainCreateInfo* createInfo, XrSwapchain* swapchain);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroySwapchain)(XrSwapchain swapchain);
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateSwapchainImages)(XrSwapchain swapchain, uint32_t imageCapacityInput, uint32_t* imageCountOutput, XrSwapchainImageBaseHeader* images);
+typedef XrResult (XRAPI_PTR *PFN_xrAcquireSwapchainImage)(XrSwapchain swapchain, const XrSwapchainImageAcquireInfo* acquireInfo, uint32_t* index);
+typedef XrResult (XRAPI_PTR *PFN_xrWaitSwapchainImage)(XrSwapchain swapchain, const XrSwapchainImageWaitInfo* waitInfo);
+typedef XrResult (XRAPI_PTR *PFN_xrReleaseSwapchainImage)(XrSwapchain swapchain, const XrSwapchainImageReleaseInfo* releaseInfo);
+typedef XrResult (XRAPI_PTR *PFN_xrBeginSession)(XrSession session, const XrSessionBeginInfo* beginInfo);
+typedef XrResult (XRAPI_PTR *PFN_xrEndSession)(XrSession session);
+typedef XrResult (XRAPI_PTR *PFN_xrRequestExitSession)(XrSession session);
+typedef XrResult (XRAPI_PTR *PFN_xrWaitFrame)(XrSession session, const XrFrameWaitInfo* frameWaitInfo, XrFrameState* frameState);
+typedef XrResult (XRAPI_PTR *PFN_xrBeginFrame)(XrSession session, const XrFrameBeginInfo* frameBeginInfo);
+typedef XrResult (XRAPI_PTR *PFN_xrEndFrame)(XrSession session, const XrFrameEndInfo* frameEndInfo);
+typedef XrResult (XRAPI_PTR *PFN_xrLocateViews)(XrSession session, const XrViewLocateInfo* viewLocateInfo, XrViewState* viewState, uint32_t viewCapacityInput, uint32_t* viewCountOutput, XrView* views);
+typedef XrResult (XRAPI_PTR *PFN_xrStringToPath)(XrInstance instance, const char* pathString, XrPath* path);
+typedef XrResult (XRAPI_PTR *PFN_xrPathToString)(XrInstance instance, XrPath path, uint32_t bufferCapacityInput, uint32_t* bufferCountOutput, char* buffer);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateActionSet)(XrInstance instance, const XrActionSetCreateInfo* createInfo, XrActionSet* actionSet);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyActionSet)(XrActionSet actionSet);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateAction)(XrActionSet actionSet, const XrActionCreateInfo* createInfo, XrAction* action);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyAction)(XrAction action);
+typedef XrResult (XRAPI_PTR *PFN_xrSuggestInteractionProfileBindings)(XrInstance instance, const XrInteractionProfileSuggestedBinding* suggestedBindings);
+typedef XrResult (XRAPI_PTR *PFN_xrAttachSessionActionSets)(XrSession session, const XrSessionActionSetsAttachInfo* attachInfo);
+typedef XrResult (XRAPI_PTR *PFN_xrGetCurrentInteractionProfile)(XrSession session, XrPath topLevelUserPath, XrInteractionProfileState* interactionProfile);
+typedef XrResult (XRAPI_PTR *PFN_xrGetActionStateBoolean)(XrSession session, const XrActionStateGetInfo* getInfo, XrActionStateBoolean* state);
+typedef XrResult (XRAPI_PTR *PFN_xrGetActionStateFloat)(XrSession session, const XrActionStateGetInfo* getInfo, XrActionStateFloat* state);
+typedef XrResult (XRAPI_PTR *PFN_xrGetActionStateVector2f)(XrSession session, const XrActionStateGetInfo* getInfo, XrActionStateVector2f* state);
+typedef XrResult (XRAPI_PTR *PFN_xrGetActionStatePose)(XrSession session, const XrActionStateGetInfo* getInfo, XrActionStatePose* state);
+typedef XrResult (XRAPI_PTR *PFN_xrSyncActions)(XrSession session, const XrActionsSyncInfo* syncInfo);
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateBoundSourcesForAction)(XrSession session, const XrBoundSourcesForActionEnumerateInfo* enumerateInfo, uint32_t sourceCapacityInput, uint32_t* sourceCountOutput, XrPath* sources);
+typedef XrResult (XRAPI_PTR *PFN_xrGetInputSourceLocalizedName)(XrSession session, const XrInputSourceLocalizedNameGetInfo* getInfo, uint32_t bufferCapacityInput, uint32_t* bufferCountOutput, char* buffer);
+typedef XrResult (XRAPI_PTR *PFN_xrApplyHapticFeedback)(XrSession session, const XrHapticActionInfo* hapticActionInfo, const XrHapticBaseHeader* hapticFeedback);
+typedef XrResult (XRAPI_PTR *PFN_xrStopHapticFeedback)(XrSession session, const XrHapticActionInfo* hapticActionInfo);
+
+#ifndef XR_NO_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetInstanceProcAddr(
+    XrInstance                                  instance,
+    const char*                                 name,
+    PFN_xrVoidFunction*                         function);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateApiLayerProperties(
+    uint32_t                                    propertyCapacityInput,
+    uint32_t*                                   propertyCountOutput,
+    XrApiLayerProperties*                       properties);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateInstanceExtensionProperties(
+    const char*                                 layerName,
+    uint32_t                                    propertyCapacityInput,
+    uint32_t*                                   propertyCountOutput,
+    XrExtensionProperties*                      properties);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateInstance(
+    const XrInstanceCreateInfo*                 createInfo,
+    XrInstance*                                 instance);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyInstance(
+    XrInstance                                  instance);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetInstanceProperties(
+    XrInstance                                  instance,
+    XrInstanceProperties*                       instanceProperties);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrPollEvent(
+    XrInstance                                  instance,
+    XrEventDataBuffer*                          eventData);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrResultToString(
+    XrInstance                                  instance,
+    XrResult                                    value,
+    char                                        buffer[XR_MAX_RESULT_STRING_SIZE]);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrStructureTypeToString(
+    XrInstance                                  instance,
+    XrStructureType                             value,
+    char                                        buffer[XR_MAX_STRUCTURE_NAME_SIZE]);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSystem(
+    XrInstance                                  instance,
+    const XrSystemGetInfo*                      getInfo,
+    XrSystemId*                                 systemId);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSystemProperties(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    XrSystemProperties*                         properties);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateEnvironmentBlendModes(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    XrViewConfigurationType                     viewConfigurationType,
+    uint32_t                                    environmentBlendModeCapacityInput,
+    uint32_t*                                   environmentBlendModeCountOutput,
+    XrEnvironmentBlendMode*                     environmentBlendModes);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSession(
+    XrInstance                                  instance,
+    const XrSessionCreateInfo*                  createInfo,
+    XrSession*                                  session);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroySession(
+    XrSession                                   session);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateReferenceSpaces(
+    XrSession                                   session,
+    uint32_t                                    spaceCapacityInput,
+    uint32_t*                                   spaceCountOutput,
+    XrReferenceSpaceType*                       spaces);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateReferenceSpace(
+    XrSession                                   session,
+    const XrReferenceSpaceCreateInfo*           createInfo,
+    XrSpace*                                    space);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetReferenceSpaceBoundsRect(
+    XrSession                                   session,
+    XrReferenceSpaceType                        referenceSpaceType,
+    XrExtent2Df*                                bounds);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateActionSpace(
+    XrSession                                   session,
+    const XrActionSpaceCreateInfo*              createInfo,
+    XrSpace*                                    space);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrLocateSpace(
+    XrSpace                                     space,
+    XrSpace                                     baseSpace,
+    XrTime                                      time,
+    XrSpaceLocation*                            location);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroySpace(
+    XrSpace                                     space);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateViewConfigurations(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    uint32_t                                    viewConfigurationTypeCapacityInput,
+    uint32_t*                                   viewConfigurationTypeCountOutput,
+    XrViewConfigurationType*                    viewConfigurationTypes);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetViewConfigurationProperties(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    XrViewConfigurationType                     viewConfigurationType,
+    XrViewConfigurationProperties*              configurationProperties);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateViewConfigurationViews(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    XrViewConfigurationType                     viewConfigurationType,
+    uint32_t                                    viewCapacityInput,
+    uint32_t*                                   viewCountOutput,
+    XrViewConfigurationView*                    views);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateSwapchainFormats(
+    XrSession                                   session,
+    uint32_t                                    formatCapacityInput,
+    uint32_t*                                   formatCountOutput,
+    int64_t*                                    formats);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSwapchain(
+    XrSession                                   session,
+    const XrSwapchainCreateInfo*                createInfo,
+    XrSwapchain*                                swapchain);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroySwapchain(
+    XrSwapchain                                 swapchain);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateSwapchainImages(
+    XrSwapchain                                 swapchain,
+    uint32_t                                    imageCapacityInput,
+    uint32_t*                                   imageCountOutput,
+    XrSwapchainImageBaseHeader*                 images);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrAcquireSwapchainImage(
+    XrSwapchain                                 swapchain,
+    const XrSwapchainImageAcquireInfo*          acquireInfo,
+    uint32_t*                                   index);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrWaitSwapchainImage(
+    XrSwapchain                                 swapchain,
+    const XrSwapchainImageWaitInfo*             waitInfo);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrReleaseSwapchainImage(
+    XrSwapchain                                 swapchain,
+    const XrSwapchainImageReleaseInfo*          releaseInfo);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrBeginSession(
+    XrSession                                   session,
+    const XrSessionBeginInfo*                   beginInfo);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEndSession(
+    XrSession                                   session);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrRequestExitSession(
+    XrSession                                   session);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrWaitFrame(
+    XrSession                                   session,
+    const XrFrameWaitInfo*                      frameWaitInfo,
+    XrFrameState*                               frameState);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrBeginFrame(
+    XrSession                                   session,
+    const XrFrameBeginInfo*                     frameBeginInfo);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEndFrame(
+    XrSession                                   session,
+    const XrFrameEndInfo*                       frameEndInfo);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrLocateViews(
+    XrSession                                   session,
+    const XrViewLocateInfo*                     viewLocateInfo,
+    XrViewState*                                viewState,
+    uint32_t                                    viewCapacityInput,
+    uint32_t*                                   viewCountOutput,
+    XrView*                                     views);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrStringToPath(
+    XrInstance                                  instance,
+    const char*                                 pathString,
+    XrPath*                                     path);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrPathToString(
+    XrInstance                                  instance,
+    XrPath                                      path,
+    uint32_t                                    bufferCapacityInput,
+    uint32_t*                                   bufferCountOutput,
+    char*                                       buffer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateActionSet(
+    XrInstance                                  instance,
+    const XrActionSetCreateInfo*                createInfo,
+    XrActionSet*                                actionSet);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyActionSet(
+    XrActionSet                                 actionSet);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateAction(
+    XrActionSet                                 actionSet,
+    const XrActionCreateInfo*                   createInfo,
+    XrAction*                                   action);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyAction(
+    XrAction                                    action);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSuggestInteractionProfileBindings(
+    XrInstance                                  instance,
+    const XrInteractionProfileSuggestedBinding* suggestedBindings);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrAttachSessionActionSets(
+    XrSession                                   session,
+    const XrSessionActionSetsAttachInfo*        attachInfo);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetCurrentInteractionProfile(
+    XrSession                                   session,
+    XrPath                                      topLevelUserPath,
+    XrInteractionProfileState*                  interactionProfile);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetActionStateBoolean(
+    XrSession                                   session,
+    const XrActionStateGetInfo*                 getInfo,
+    XrActionStateBoolean*                       state);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetActionStateFloat(
+    XrSession                                   session,
+    const XrActionStateGetInfo*                 getInfo,
+    XrActionStateFloat*                         state);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetActionStateVector2f(
+    XrSession                                   session,
+    const XrActionStateGetInfo*                 getInfo,
+    XrActionStateVector2f*                      state);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetActionStatePose(
+    XrSession                                   session,
+    const XrActionStateGetInfo*                 getInfo,
+    XrActionStatePose*                          state);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSyncActions(
+    XrSession                                   session,
+    const XrActionsSyncInfo*                    syncInfo);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateBoundSourcesForAction(
+    XrSession                                   session,
+    const XrBoundSourcesForActionEnumerateInfo* enumerateInfo,
+    uint32_t                                    sourceCapacityInput,
+    uint32_t*                                   sourceCountOutput,
+    XrPath*                                     sources);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetInputSourceLocalizedName(
+    XrSession                                   session,
+    const XrInputSourceLocalizedNameGetInfo*    getInfo,
+    uint32_t                                    bufferCapacityInput,
+    uint32_t*                                   bufferCountOutput,
+    char*                                       buffer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrApplyHapticFeedback(
+    XrSession                                   session,
+    const XrHapticActionInfo*                   hapticActionInfo,
+    const XrHapticBaseHeader*                   hapticFeedback);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrStopHapticFeedback(
+    XrSession                                   session,
+    const XrHapticActionInfo*                   hapticActionInfo);
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_VERSION_1_1 is a preprocessor guard. Do not pass it to API calls.
+#define XR_VERSION_1_1 1
+// OpenXR 1.1 version number
+#define XR_API_VERSION_1_1 XR_MAKE_VERSION(1, 1, XR_VERSION_PATCH(XR_CURRENT_API_VERSION))
+
+#define XR_UUID_SIZE                      16
+typedef struct XrColor3f {
+    float    r;
+    float    g;
+    float    b;
+} XrColor3f;
+
+typedef struct XrExtent3Df {
+    float    width;
+    float    height;
+    float    depth;
+} XrExtent3Df;
+
+typedef struct XrSpheref {
+    XrPosef    center;
+    float      radius;
+} XrSpheref;
+
+typedef struct XrBoxf {
+    XrPosef        center;
+    XrExtent3Df    extents;
+} XrBoxf;
+
+typedef struct XrFrustumf {
+    XrPosef    pose;
+    XrFovf     fov;
+    float      nearZ;
+    float      farZ;
+} XrFrustumf;
+
+typedef struct XrUuid {
+    uint8_t    data[XR_UUID_SIZE];
+} XrUuid;
+
+typedef struct XrSpacesLocateInfo {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     baseSpace;
+    XrTime                      time;
+    uint32_t                    spaceCount;
+    const XrSpace*              spaces;
+} XrSpacesLocateInfo;
+
+typedef struct XrSpaceLocationData {
+    XrSpaceLocationFlags    locationFlags;
+    XrPosef                 pose;
+} XrSpaceLocationData;
+
+typedef struct XrSpaceLocations {
+    XrStructureType         type;
+    void* XR_MAY_ALIAS      next;
+    uint32_t                locationCount;
+    XrSpaceLocationData*    locations;
+} XrSpaceLocations;
+
+typedef struct XrSpaceVelocityData {
+    XrSpaceVelocityFlags    velocityFlags;
+    XrVector3f              linearVelocity;
+    XrVector3f              angularVelocity;
+} XrSpaceVelocityData;
+
+// XrSpaceVelocities extends XrSpaceLocations
+typedef struct XrSpaceVelocities {
+    XrStructureType         type;
+    void* XR_MAY_ALIAS      next;
+    uint32_t                velocityCount;
+    XrSpaceVelocityData*    velocities;
+} XrSpaceVelocities;
+
+typedef XrResult (XRAPI_PTR *PFN_xrLocateSpaces)(XrSession session, const XrSpacesLocateInfo* locateInfo, XrSpaceLocations* spaceLocations);
+
+#ifndef XR_NO_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrLocateSpaces(
+    XrSession                                   session,
+    const XrSpacesLocateInfo*                   locateInfo,
+    XrSpaceLocations*                           spaceLocations);
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_KHR_composition_layer_cube is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_composition_layer_cube 1
+#define XR_KHR_composition_layer_cube_SPEC_VERSION 8
+#define XR_KHR_COMPOSITION_LAYER_CUBE_EXTENSION_NAME "XR_KHR_composition_layer_cube"
+typedef struct XrCompositionLayerCubeKHR {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrCompositionLayerFlags     layerFlags;
+    XrSpace                     space;
+    XrEyeVisibility             eyeVisibility;
+    XrSwapchain                 swapchain;
+    uint32_t                    imageArrayIndex;
+    XrQuaternionf               orientation;
+} XrCompositionLayerCubeKHR;
+
+
+
+// XR_KHR_composition_layer_depth is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_composition_layer_depth 1
+#define XR_KHR_composition_layer_depth_SPEC_VERSION 6
+#define XR_KHR_COMPOSITION_LAYER_DEPTH_EXTENSION_NAME "XR_KHR_composition_layer_depth"
+// XrCompositionLayerDepthInfoKHR extends XrCompositionLayerProjectionView
+typedef struct XrCompositionLayerDepthInfoKHR {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSwapchainSubImage         subImage;
+    float                       minDepth;
+    float                       maxDepth;
+    float                       nearZ;
+    float                       farZ;
+} XrCompositionLayerDepthInfoKHR;
+
+
+
+// XR_KHR_composition_layer_cylinder is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_composition_layer_cylinder 1
+#define XR_KHR_composition_layer_cylinder_SPEC_VERSION 4
+#define XR_KHR_COMPOSITION_LAYER_CYLINDER_EXTENSION_NAME "XR_KHR_composition_layer_cylinder"
+typedef struct XrCompositionLayerCylinderKHR {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrCompositionLayerFlags     layerFlags;
+    XrSpace                     space;
+    XrEyeVisibility             eyeVisibility;
+    XrSwapchainSubImage         subImage;
+    XrPosef                     pose;
+    float                       radius;
+    float                       centralAngle;
+    float                       aspectRatio;
+} XrCompositionLayerCylinderKHR;
+
+
+
+// XR_KHR_composition_layer_equirect is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_composition_layer_equirect 1
+#define XR_KHR_composition_layer_equirect_SPEC_VERSION 3
+#define XR_KHR_COMPOSITION_LAYER_EQUIRECT_EXTENSION_NAME "XR_KHR_composition_layer_equirect"
+typedef struct XrCompositionLayerEquirectKHR {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrCompositionLayerFlags     layerFlags;
+    XrSpace                     space;
+    XrEyeVisibility             eyeVisibility;
+    XrSwapchainSubImage         subImage;
+    XrPosef                     pose;
+    float                       radius;
+    XrVector2f                  scale;
+    XrVector2f                  bias;
+} XrCompositionLayerEquirectKHR;
+
+
+
+// XR_KHR_visibility_mask is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_visibility_mask 1
+#define XR_KHR_visibility_mask_SPEC_VERSION 2
+#define XR_KHR_VISIBILITY_MASK_EXTENSION_NAME "XR_KHR_visibility_mask"
+
+typedef enum XrVisibilityMaskTypeKHR {
+    XR_VISIBILITY_MASK_TYPE_HIDDEN_TRIANGLE_MESH_KHR = 1,
+    XR_VISIBILITY_MASK_TYPE_VISIBLE_TRIANGLE_MESH_KHR = 2,
+    XR_VISIBILITY_MASK_TYPE_LINE_LOOP_KHR = 3,
+    XR_VISIBILITY_MASK_TYPE_MAX_ENUM_KHR = 0x7FFFFFFF
+} XrVisibilityMaskTypeKHR;
+typedef struct XrVisibilityMaskKHR {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              vertexCapacityInput;
+    uint32_t              vertexCountOutput;
+    XrVector2f*           vertices;
+    uint32_t              indexCapacityInput;
+    uint32_t              indexCountOutput;
+    uint32_t*             indices;
+} XrVisibilityMaskKHR;
+
+typedef struct XrEventDataVisibilityMaskChangedKHR {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSession                   session;
+    XrViewConfigurationType     viewConfigurationType;
+    uint32_t                    viewIndex;
+} XrEventDataVisibilityMaskChangedKHR;
+
+typedef XrResult (XRAPI_PTR *PFN_xrGetVisibilityMaskKHR)(XrSession session, XrViewConfigurationType viewConfigurationType, uint32_t viewIndex, XrVisibilityMaskTypeKHR visibilityMaskType, XrVisibilityMaskKHR* visibilityMask);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetVisibilityMaskKHR(
+    XrSession                                   session,
+    XrViewConfigurationType                     viewConfigurationType,
+    uint32_t                                    viewIndex,
+    XrVisibilityMaskTypeKHR                     visibilityMaskType,
+    XrVisibilityMaskKHR*                        visibilityMask);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_KHR_composition_layer_color_scale_bias is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_composition_layer_color_scale_bias 1
+#define XR_KHR_composition_layer_color_scale_bias_SPEC_VERSION 5
+#define XR_KHR_COMPOSITION_LAYER_COLOR_SCALE_BIAS_EXTENSION_NAME "XR_KHR_composition_layer_color_scale_bias"
+// XrCompositionLayerColorScaleBiasKHR extends XrCompositionLayerBaseHeader
+typedef struct XrCompositionLayerColorScaleBiasKHR {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrColor4f                   colorScale;
+    XrColor4f                   colorBias;
+} XrCompositionLayerColorScaleBiasKHR;
+
+
+
+// XR_KHR_loader_init is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_loader_init 1
+#define XR_KHR_loader_init_SPEC_VERSION   2
+#define XR_KHR_LOADER_INIT_EXTENSION_NAME "XR_KHR_loader_init"
+typedef struct XR_MAY_ALIAS XrLoaderInitInfoBaseHeaderKHR {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrLoaderInitInfoBaseHeaderKHR;
+
+typedef XrResult (XRAPI_PTR *PFN_xrInitializeLoaderKHR)(const XrLoaderInitInfoBaseHeaderKHR* loaderInitInfo);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrInitializeLoaderKHR(
+    const XrLoaderInitInfoBaseHeaderKHR*        loaderInitInfo);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_KHR_composition_layer_equirect2 is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_composition_layer_equirect2 1
+#define XR_KHR_composition_layer_equirect2_SPEC_VERSION 1
+#define XR_KHR_COMPOSITION_LAYER_EQUIRECT2_EXTENSION_NAME "XR_KHR_composition_layer_equirect2"
+typedef struct XrCompositionLayerEquirect2KHR {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrCompositionLayerFlags     layerFlags;
+    XrSpace                     space;
+    XrEyeVisibility             eyeVisibility;
+    XrSwapchainSubImage         subImage;
+    XrPosef                     pose;
+    float                       radius;
+    float                       centralHorizontalAngle;
+    float                       upperVerticalAngle;
+    float                       lowerVerticalAngle;
+} XrCompositionLayerEquirect2KHR;
+
+
+
+// XR_KHR_binding_modification is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_binding_modification 1
+#define XR_KHR_binding_modification_SPEC_VERSION 1
+#define XR_KHR_BINDING_MODIFICATION_EXTENSION_NAME "XR_KHR_binding_modification"
+typedef struct XR_MAY_ALIAS XrBindingModificationBaseHeaderKHR {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrBindingModificationBaseHeaderKHR;
+
+// XrBindingModificationsKHR extends XrInteractionProfileSuggestedBinding
+typedef struct XrBindingModificationsKHR {
+    XrStructureType                                     type;
+    const void* XR_MAY_ALIAS                            next;
+    uint32_t                                            bindingModificationCount;
+    const XrBindingModificationBaseHeaderKHR* const*    bindingModifications;
+} XrBindingModificationsKHR;
+
+
+
+// XR_KHR_extended_struct_name_lengths is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_extended_struct_name_lengths 1
+#define XR_KHR_extended_struct_name_lengths_SPEC_VERSION 2
+#define XR_KHR_EXTENDED_STRUCT_NAME_LENGTHS_EXTENSION_NAME "XR_KHR_extended_struct_name_lengths"
+#define XR_MAX_STRUCTURE_NAME_SIZE_EXTENDED_KHR 256
+typedef XrResult (XRAPI_PTR *PFN_xrStructureTypeToString2KHR)(XrInstance instance, XrStructureType value, char buffer[XR_MAX_STRUCTURE_NAME_SIZE_EXTENDED_KHR]);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrStructureTypeToString2KHR(
+    XrInstance                                  instance,
+    XrStructureType                             value,
+    char                                        buffer[XR_MAX_STRUCTURE_NAME_SIZE_EXTENDED_KHR]);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_KHR_swapchain_usage_input_attachment_bit is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_swapchain_usage_input_attachment_bit 1
+#define XR_KHR_swapchain_usage_input_attachment_bit_SPEC_VERSION 3
+#define XR_KHR_SWAPCHAIN_USAGE_INPUT_ATTACHMENT_BIT_EXTENSION_NAME "XR_KHR_swapchain_usage_input_attachment_bit"
+
+
+// XR_KHR_locate_spaces is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_locate_spaces 1
+#define XR_KHR_locate_spaces_SPEC_VERSION 1
+#define XR_KHR_LOCATE_SPACES_EXTENSION_NAME "XR_KHR_locate_spaces"
+typedef XrSpacesLocateInfo XrSpacesLocateInfoKHR;
+
+typedef XrSpaceLocationData XrSpaceLocationDataKHR;
+
+typedef XrSpaceLocations XrSpaceLocationsKHR;
+
+typedef XrSpaceVelocityData XrSpaceVelocityDataKHR;
+
+typedef XrSpaceVelocities XrSpaceVelocitiesKHR;
+
+typedef XrResult (XRAPI_PTR *PFN_xrLocateSpacesKHR)(XrSession session, const XrSpacesLocateInfo* locateInfo, XrSpaceLocations* spaceLocations);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrLocateSpacesKHR(
+    XrSession                                   session,
+    const XrSpacesLocateInfo*                   locateInfo,
+    XrSpaceLocations*                           spaceLocations);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_KHR_maintenance1 is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_maintenance1 1
+#define XR_KHR_maintenance1_SPEC_VERSION  1
+#define XR_KHR_MAINTENANCE1_EXTENSION_NAME "XR_KHR_maintenance1"
+typedef XrColor3f XrColor3fKHR;
+
+typedef XrExtent3Df XrExtent3DfKHR;
+
+typedef XrSpheref XrSpherefKHR;
+
+typedef XrBoxf XrBoxfKHR;
+
+typedef XrFrustumf XrFrustumfKHR;
+
+
+
+// XR_KHR_generic_controller is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_generic_controller 1
+#define XR_KHR_generic_controller_SPEC_VERSION 1
+#define XR_KHR_GENERIC_CONTROLLER_EXTENSION_NAME "XR_KHR_generic_controller"
+
+
+// XR_KHR_extended_result_name_lengths is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_extended_result_name_lengths 1
+#define XR_KHR_extended_result_name_lengths_SPEC_VERSION 1
+#define XR_KHR_EXTENDED_RESULT_NAME_LENGTHS_EXTENSION_NAME "XR_KHR_extended_result_name_lengths"
+#define XR_MAX_RESULT_STRING_SIZE_EXTENDED_KHR 256
+typedef XrResult (XRAPI_PTR *PFN_xrResultToString2KHR)(XrInstance instance, XrResult value, char buffer[XR_MAX_RESULT_STRING_SIZE_EXTENDED_KHR]);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrResultToString2KHR(
+    XrInstance                                  instance,
+    XrResult                                    value,
+    char                                        buffer[XR_MAX_RESULT_STRING_SIZE_EXTENDED_KHR]);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_EXT_performance_settings is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_performance_settings 1
+#define XR_EXT_performance_settings_SPEC_VERSION 4
+#define XR_EXT_PERFORMANCE_SETTINGS_EXTENSION_NAME "XR_EXT_performance_settings"
+
+typedef enum XrPerfSettingsDomainEXT {
+    XR_PERF_SETTINGS_DOMAIN_CPU_EXT = 1,
+    XR_PERF_SETTINGS_DOMAIN_GPU_EXT = 2,
+    XR_PERF_SETTINGS_DOMAIN_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrPerfSettingsDomainEXT;
+
+typedef enum XrPerfSettingsSubDomainEXT {
+    XR_PERF_SETTINGS_SUB_DOMAIN_COMPOSITING_EXT = 1,
+    XR_PERF_SETTINGS_SUB_DOMAIN_RENDERING_EXT = 2,
+    XR_PERF_SETTINGS_SUB_DOMAIN_THERMAL_EXT = 3,
+    XR_PERF_SETTINGS_SUB_DOMAIN_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrPerfSettingsSubDomainEXT;
+
+typedef enum XrPerfSettingsLevelEXT {
+    XR_PERF_SETTINGS_LEVEL_POWER_SAVINGS_EXT = 0,
+    XR_PERF_SETTINGS_LEVEL_SUSTAINED_LOW_EXT = 25,
+    XR_PERF_SETTINGS_LEVEL_SUSTAINED_HIGH_EXT = 50,
+    XR_PERF_SETTINGS_LEVEL_BOOST_EXT = 75,
+    XR_PERF_SETTINGS_LEVEL_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrPerfSettingsLevelEXT;
+
+typedef enum XrPerfSettingsNotificationLevelEXT {
+    XR_PERF_SETTINGS_NOTIF_LEVEL_NORMAL_EXT = 0,
+    XR_PERF_SETTINGS_NOTIF_LEVEL_WARNING_EXT = 25,
+    XR_PERF_SETTINGS_NOTIF_LEVEL_IMPAIRED_EXT = 75,
+    XR_PERF_SETTINGS_NOTIFICATION_LEVEL_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrPerfSettingsNotificationLevelEXT;
+typedef struct XrEventDataPerfSettingsEXT {
+    XrStructureType                       type;
+    const void* XR_MAY_ALIAS              next;
+    XrPerfSettingsDomainEXT               domain;
+    XrPerfSettingsSubDomainEXT            subDomain;
+    XrPerfSettingsNotificationLevelEXT    fromLevel;
+    XrPerfSettingsNotificationLevelEXT    toLevel;
+} XrEventDataPerfSettingsEXT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrPerfSettingsSetPerformanceLevelEXT)(XrSession session, XrPerfSettingsDomainEXT domain, XrPerfSettingsLevelEXT level);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrPerfSettingsSetPerformanceLevelEXT(
+    XrSession                                   session,
+    XrPerfSettingsDomainEXT                     domain,
+    XrPerfSettingsLevelEXT                      level);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_EXT_thermal_query is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_thermal_query 1
+#define XR_EXT_thermal_query_SPEC_VERSION 2
+#define XR_EXT_THERMAL_QUERY_EXTENSION_NAME "XR_EXT_thermal_query"
+typedef XrResult (XRAPI_PTR *PFN_xrThermalGetTemperatureTrendEXT)(XrSession session, XrPerfSettingsDomainEXT domain, XrPerfSettingsNotificationLevelEXT* notificationLevel, float* tempHeadroom, float* tempSlope);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrThermalGetTemperatureTrendEXT(
+    XrSession                                   session,
+    XrPerfSettingsDomainEXT                     domain,
+    XrPerfSettingsNotificationLevelEXT*         notificationLevel,
+    float*                                      tempHeadroom,
+    float*                                      tempSlope);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_EXT_debug_utils is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_debug_utils 1
+XR_DEFINE_HANDLE(XrDebugUtilsMessengerEXT)
+#define XR_EXT_debug_utils_SPEC_VERSION   5
+#define XR_EXT_DEBUG_UTILS_EXTENSION_NAME "XR_EXT_debug_utils"
+typedef XrFlags64 XrDebugUtilsMessageSeverityFlagsEXT;
+
+// Flag bits for XrDebugUtilsMessageSeverityFlagsEXT
+static const XrDebugUtilsMessageSeverityFlagsEXT XR_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT = 0x00000001;
+static const XrDebugUtilsMessageSeverityFlagsEXT XR_DEBUG_UTILS_MESSAGE_SEVERITY_INFO_BIT_EXT = 0x00000010;
+static const XrDebugUtilsMessageSeverityFlagsEXT XR_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT = 0x00000100;
+static const XrDebugUtilsMessageSeverityFlagsEXT XR_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT = 0x00001000;
+
+typedef XrFlags64 XrDebugUtilsMessageTypeFlagsEXT;
+
+// Flag bits for XrDebugUtilsMessageTypeFlagsEXT
+static const XrDebugUtilsMessageTypeFlagsEXT XR_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT = 0x00000001;
+static const XrDebugUtilsMessageTypeFlagsEXT XR_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT = 0x00000002;
+static const XrDebugUtilsMessageTypeFlagsEXT XR_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT = 0x00000004;
+static const XrDebugUtilsMessageTypeFlagsEXT XR_DEBUG_UTILS_MESSAGE_TYPE_CONFORMANCE_BIT_EXT = 0x00000008;
+
+typedef struct XrDebugUtilsObjectNameInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrObjectType                objectType;
+    uint64_t                    objectHandle;
+    const char*                 objectName;
+} XrDebugUtilsObjectNameInfoEXT;
+
+typedef struct XrDebugUtilsLabelEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    const char*                 labelName;
+} XrDebugUtilsLabelEXT;
+
+typedef struct XrDebugUtilsMessengerCallbackDataEXT {
+    XrStructureType                   type;
+    const void* XR_MAY_ALIAS          next;
+    const char*                       messageId;
+    const char*                       functionName;
+    const char*                       message;
+    uint32_t                          objectCount;
+    XrDebugUtilsObjectNameInfoEXT*    objects;
+    uint32_t                          sessionLabelCount;
+    XrDebugUtilsLabelEXT*             sessionLabels;
+} XrDebugUtilsMessengerCallbackDataEXT;
+
+typedef XrBool32 (XRAPI_PTR *PFN_xrDebugUtilsMessengerCallbackEXT)(
+            XrDebugUtilsMessageSeverityFlagsEXT              messageSeverity,
+            XrDebugUtilsMessageTypeFlagsEXT                  messageTypes,
+            const XrDebugUtilsMessengerCallbackDataEXT*      callbackData,
+            void*                                            userData);
+        
+
+// XrDebugUtilsMessengerCreateInfoEXT extends XrInstanceCreateInfo
+typedef struct XrDebugUtilsMessengerCreateInfoEXT {
+    XrStructureType                         type;
+    const void* XR_MAY_ALIAS                next;
+    XrDebugUtilsMessageSeverityFlagsEXT     messageSeverities;
+    XrDebugUtilsMessageTypeFlagsEXT         messageTypes;
+    PFN_xrDebugUtilsMessengerCallbackEXT    userCallback;
+    void* XR_MAY_ALIAS                      userData;
+} XrDebugUtilsMessengerCreateInfoEXT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrSetDebugUtilsObjectNameEXT)(XrInstance instance, const XrDebugUtilsObjectNameInfoEXT* nameInfo);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateDebugUtilsMessengerEXT)(XrInstance instance, const XrDebugUtilsMessengerCreateInfoEXT* createInfo, XrDebugUtilsMessengerEXT* messenger);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyDebugUtilsMessengerEXT)(XrDebugUtilsMessengerEXT messenger);
+typedef XrResult (XRAPI_PTR *PFN_xrSubmitDebugUtilsMessageEXT)(XrInstance instance, XrDebugUtilsMessageSeverityFlagsEXT messageSeverity, XrDebugUtilsMessageTypeFlagsEXT messageTypes, const XrDebugUtilsMessengerCallbackDataEXT* callbackData);
+typedef XrResult (XRAPI_PTR *PFN_xrSessionBeginDebugUtilsLabelRegionEXT)(XrSession session, const XrDebugUtilsLabelEXT* labelInfo);
+typedef XrResult (XRAPI_PTR *PFN_xrSessionEndDebugUtilsLabelRegionEXT)(XrSession session);
+typedef XrResult (XRAPI_PTR *PFN_xrSessionInsertDebugUtilsLabelEXT)(XrSession session, const XrDebugUtilsLabelEXT* labelInfo);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrSetDebugUtilsObjectNameEXT(
+    XrInstance                                  instance,
+    const XrDebugUtilsObjectNameInfoEXT*        nameInfo);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateDebugUtilsMessengerEXT(
+    XrInstance                                  instance,
+    const XrDebugUtilsMessengerCreateInfoEXT*   createInfo,
+    XrDebugUtilsMessengerEXT*                   messenger);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyDebugUtilsMessengerEXT(
+    XrDebugUtilsMessengerEXT                    messenger);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSubmitDebugUtilsMessageEXT(
+    XrInstance                                  instance,
+    XrDebugUtilsMessageSeverityFlagsEXT         messageSeverity,
+    XrDebugUtilsMessageTypeFlagsEXT             messageTypes,
+    const XrDebugUtilsMessengerCallbackDataEXT* callbackData);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSessionBeginDebugUtilsLabelRegionEXT(
+    XrSession                                   session,
+    const XrDebugUtilsLabelEXT*                 labelInfo);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSessionEndDebugUtilsLabelRegionEXT(
+    XrSession                                   session);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSessionInsertDebugUtilsLabelEXT(
+    XrSession                                   session,
+    const XrDebugUtilsLabelEXT*                 labelInfo);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_EXT_eye_gaze_interaction is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_eye_gaze_interaction 1
+#define XR_EXT_eye_gaze_interaction_SPEC_VERSION 2
+#define XR_EXT_EYE_GAZE_INTERACTION_EXTENSION_NAME "XR_EXT_eye_gaze_interaction"
+// XrSystemEyeGazeInteractionPropertiesEXT extends XrSystemProperties
+typedef struct XrSystemEyeGazeInteractionPropertiesEXT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsEyeGazeInteraction;
+} XrSystemEyeGazeInteractionPropertiesEXT;
+
+// XrEyeGazeSampleTimeEXT extends XrSpaceLocation
+typedef struct XrEyeGazeSampleTimeEXT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrTime                time;
+} XrEyeGazeSampleTimeEXT;
+
+
+
+// XR_EXTX_overlay is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXTX_overlay 1
+#define XR_EXTX_overlay_SPEC_VERSION      5
+#define XR_EXTX_OVERLAY_EXTENSION_NAME    "XR_EXTX_overlay"
+typedef XrFlags64 XrOverlaySessionCreateFlagsEXTX;
+
+// Flag bits for XrOverlaySessionCreateFlagsEXTX
+
+typedef XrFlags64 XrOverlayMainSessionFlagsEXTX;
+
+// Flag bits for XrOverlayMainSessionFlagsEXTX
+static const XrOverlayMainSessionFlagsEXTX XR_OVERLAY_MAIN_SESSION_ENABLED_COMPOSITION_LAYER_INFO_DEPTH_BIT_EXTX = 0x00000001;
+
+// XrSessionCreateInfoOverlayEXTX extends XrSessionCreateInfo
+typedef struct XrSessionCreateInfoOverlayEXTX {
+    XrStructureType                    type;
+    const void* XR_MAY_ALIAS           next;
+    XrOverlaySessionCreateFlagsEXTX    createFlags;
+    uint32_t                           sessionLayersPlacement;
+} XrSessionCreateInfoOverlayEXTX;
+
+typedef struct XrEventDataMainSessionVisibilityChangedEXTX {
+    XrStructureType                  type;
+    const void* XR_MAY_ALIAS         next;
+    XrBool32                         visible;
+    XrOverlayMainSessionFlagsEXTX    flags;
+} XrEventDataMainSessionVisibilityChangedEXTX;
+
+
+
+// XR_VARJO_quad_views is a preprocessor guard. Do not pass it to API calls.
+#define XR_VARJO_quad_views 1
+#define XR_VARJO_quad_views_SPEC_VERSION  2
+#define XR_VARJO_QUAD_VIEWS_EXTENSION_NAME "XR_VARJO_quad_views"
+
+
+// XR_MSFT_unbounded_reference_space is a preprocessor guard. Do not pass it to API calls.
+#define XR_MSFT_unbounded_reference_space 1
+#define XR_MSFT_unbounded_reference_space_SPEC_VERSION 1
+#define XR_MSFT_UNBOUNDED_REFERENCE_SPACE_EXTENSION_NAME "XR_MSFT_unbounded_reference_space"
+
+
+// XR_MSFT_spatial_anchor is a preprocessor guard. Do not pass it to API calls.
+#define XR_MSFT_spatial_anchor 1
+XR_DEFINE_HANDLE(XrSpatialAnchorMSFT)
+#define XR_MSFT_spatial_anchor_SPEC_VERSION 2
+#define XR_MSFT_SPATIAL_ANCHOR_EXTENSION_NAME "XR_MSFT_spatial_anchor"
+typedef struct XrSpatialAnchorCreateInfoMSFT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     space;
+    XrPosef                     pose;
+    XrTime                      time;
+} XrSpatialAnchorCreateInfoMSFT;
+
+typedef struct XrSpatialAnchorSpaceCreateInfoMSFT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpatialAnchorMSFT         anchor;
+    XrPosef                     poseInAnchorSpace;
+} XrSpatialAnchorSpaceCreateInfoMSFT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialAnchorMSFT)(XrSession session, const XrSpatialAnchorCreateInfoMSFT* createInfo, XrSpatialAnchorMSFT* anchor);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialAnchorSpaceMSFT)(XrSession session, const XrSpatialAnchorSpaceCreateInfoMSFT* createInfo, XrSpace* space);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroySpatialAnchorMSFT)(XrSpatialAnchorMSFT anchor);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialAnchorMSFT(
+    XrSession                                   session,
+    const XrSpatialAnchorCreateInfoMSFT*        createInfo,
+    XrSpatialAnchorMSFT*                        anchor);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialAnchorSpaceMSFT(
+    XrSession                                   session,
+    const XrSpatialAnchorSpaceCreateInfoMSFT*   createInfo,
+    XrSpace*                                    space);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroySpatialAnchorMSFT(
+    XrSpatialAnchorMSFT                         anchor);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_FB_composition_layer_image_layout is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_composition_layer_image_layout 1
+#define XR_FB_composition_layer_image_layout_SPEC_VERSION 1
+#define XR_FB_COMPOSITION_LAYER_IMAGE_LAYOUT_EXTENSION_NAME "XR_FB_composition_layer_image_layout"
+typedef XrFlags64 XrCompositionLayerImageLayoutFlagsFB;
+
+// Flag bits for XrCompositionLayerImageLayoutFlagsFB
+static const XrCompositionLayerImageLayoutFlagsFB XR_COMPOSITION_LAYER_IMAGE_LAYOUT_VERTICAL_FLIP_BIT_FB = 0x00000001;
+
+// XrCompositionLayerImageLayoutFB extends XrCompositionLayerBaseHeader
+typedef struct XrCompositionLayerImageLayoutFB {
+    XrStructureType                         type;
+    void* XR_MAY_ALIAS                      next;
+    XrCompositionLayerImageLayoutFlagsFB    flags;
+} XrCompositionLayerImageLayoutFB;
+
+
+
+// XR_FB_composition_layer_alpha_blend is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_composition_layer_alpha_blend 1
+#define XR_FB_composition_layer_alpha_blend_SPEC_VERSION 3
+#define XR_FB_COMPOSITION_LAYER_ALPHA_BLEND_EXTENSION_NAME "XR_FB_composition_layer_alpha_blend"
+
+typedef enum XrBlendFactorFB {
+    XR_BLEND_FACTOR_ZERO_FB = 0,
+    XR_BLEND_FACTOR_ONE_FB = 1,
+    XR_BLEND_FACTOR_SRC_ALPHA_FB = 2,
+    XR_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA_FB = 3,
+    XR_BLEND_FACTOR_DST_ALPHA_FB = 4,
+    XR_BLEND_FACTOR_ONE_MINUS_DST_ALPHA_FB = 5,
+    XR_BLEND_FACTOR_MAX_ENUM_FB = 0x7FFFFFFF
+} XrBlendFactorFB;
+typedef XrFlags64 XrCompositionLayerSecureContentFlagsFB;
+
+// Flag bits for XrCompositionLayerSecureContentFlagsFB
+static const XrCompositionLayerSecureContentFlagsFB XR_COMPOSITION_LAYER_SECURE_CONTENT_EXCLUDE_LAYER_BIT_FB = 0x00000001;
+static const XrCompositionLayerSecureContentFlagsFB XR_COMPOSITION_LAYER_SECURE_CONTENT_REPLACE_LAYER_BIT_FB = 0x00000002;
+
+// XrCompositionLayerAlphaBlendFB extends XrCompositionLayerBaseHeader
+typedef struct XrCompositionLayerAlphaBlendFB {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBlendFactorFB       srcFactorColor;
+    XrBlendFactorFB       dstFactorColor;
+    XrBlendFactorFB       srcFactorAlpha;
+    XrBlendFactorFB       dstFactorAlpha;
+} XrCompositionLayerAlphaBlendFB;
+
+
+
+// XR_MND_headless is a preprocessor guard. Do not pass it to API calls.
+#define XR_MND_headless 1
+#define XR_MND_headless_SPEC_VERSION      3
+#define XR_MND_HEADLESS_EXTENSION_NAME    "XR_MND_headless"
+
+
+// XR_OCULUS_android_session_state_enable is a preprocessor guard. Do not pass it to API calls.
+#define XR_OCULUS_android_session_state_enable 1
+#define XR_OCULUS_android_session_state_enable_SPEC_VERSION 1
+#define XR_OCULUS_ANDROID_SESSION_STATE_ENABLE_EXTENSION_NAME "XR_OCULUS_android_session_state_enable"
+
+
+// XR_EXT_view_configuration_depth_range is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_view_configuration_depth_range 1
+#define XR_EXT_view_configuration_depth_range_SPEC_VERSION 1
+#define XR_EXT_VIEW_CONFIGURATION_DEPTH_RANGE_EXTENSION_NAME "XR_EXT_view_configuration_depth_range"
+// XrViewConfigurationDepthRangeEXT extends XrViewConfigurationView
+typedef struct XrViewConfigurationDepthRangeEXT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    float                 recommendedNearZ;
+    float                 minNearZ;
+    float                 recommendedFarZ;
+    float                 maxFarZ;
+} XrViewConfigurationDepthRangeEXT;
+
+
+
+// XR_EXT_conformance_automation is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_conformance_automation 1
+#define XR_EXT_conformance_automation_SPEC_VERSION 3
+#define XR_EXT_CONFORMANCE_AUTOMATION_EXTENSION_NAME "XR_EXT_conformance_automation"
+typedef XrResult (XRAPI_PTR *PFN_xrSetInputDeviceActiveEXT)(XrSession session, XrPath interactionProfile, XrPath topLevelPath, XrBool32 isActive);
+typedef XrResult (XRAPI_PTR *PFN_xrSetInputDeviceStateBoolEXT)(XrSession session, XrPath topLevelPath, XrPath inputSourcePath, XrBool32 state);
+typedef XrResult (XRAPI_PTR *PFN_xrSetInputDeviceStateFloatEXT)(XrSession session, XrPath topLevelPath, XrPath inputSourcePath, float state);
+typedef XrResult (XRAPI_PTR *PFN_xrSetInputDeviceStateVector2fEXT)(XrSession session, XrPath topLevelPath, XrPath inputSourcePath, XrVector2f state);
+typedef XrResult (XRAPI_PTR *PFN_xrSetInputDeviceLocationEXT)(XrSession session, XrPath topLevelPath, XrPath inputSourcePath, XrSpace space, XrPosef pose);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrSetInputDeviceActiveEXT(
+    XrSession                                   session,
+    XrPath                                      interactionProfile,
+    XrPath                                      topLevelPath,
+    XrBool32                                    isActive);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSetInputDeviceStateBoolEXT(
+    XrSession                                   session,
+    XrPath                                      topLevelPath,
+    XrPath                                      inputSourcePath,
+    XrBool32                                    state);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSetInputDeviceStateFloatEXT(
+    XrSession                                   session,
+    XrPath                                      topLevelPath,
+    XrPath                                      inputSourcePath,
+    float                                       state);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSetInputDeviceStateVector2fEXT(
+    XrSession                                   session,
+    XrPath                                      topLevelPath,
+    XrPath                                      inputSourcePath,
+    XrVector2f                                  state);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSetInputDeviceLocationEXT(
+    XrSession                                   session,
+    XrPath                                      topLevelPath,
+    XrPath                                      inputSourcePath,
+    XrSpace                                     space,
+    XrPosef                                     pose);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_MSFT_spatial_graph_bridge is a preprocessor guard. Do not pass it to API calls.
+#define XR_MSFT_spatial_graph_bridge 1
+XR_DEFINE_HANDLE(XrSpatialGraphNodeBindingMSFT)
+#define XR_GUID_SIZE_MSFT                 16
+#define XR_MSFT_spatial_graph_bridge_SPEC_VERSION 2
+#define XR_MSFT_SPATIAL_GRAPH_BRIDGE_EXTENSION_NAME "XR_MSFT_spatial_graph_bridge"
+
+typedef enum XrSpatialGraphNodeTypeMSFT {
+    XR_SPATIAL_GRAPH_NODE_TYPE_STATIC_MSFT = 1,
+    XR_SPATIAL_GRAPH_NODE_TYPE_DYNAMIC_MSFT = 2,
+    XR_SPATIAL_GRAPH_NODE_TYPE_MAX_ENUM_MSFT = 0x7FFFFFFF
+} XrSpatialGraphNodeTypeMSFT;
+typedef struct XrSpatialGraphNodeSpaceCreateInfoMSFT {
+    XrStructureType               type;
+    const void* XR_MAY_ALIAS      next;
+    XrSpatialGraphNodeTypeMSFT    nodeType;
+    uint8_t                       nodeId[XR_GUID_SIZE_MSFT];
+    XrPosef                       pose;
+} XrSpatialGraphNodeSpaceCreateInfoMSFT;
+
+typedef struct XrSpatialGraphStaticNodeBindingCreateInfoMSFT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     space;
+    XrPosef                     poseInSpace;
+    XrTime                      time;
+} XrSpatialGraphStaticNodeBindingCreateInfoMSFT;
+
+typedef struct XrSpatialGraphNodeBindingPropertiesGetInfoMSFT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrSpatialGraphNodeBindingPropertiesGetInfoMSFT;
+
+typedef struct XrSpatialGraphNodeBindingPropertiesMSFT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint8_t               nodeId[XR_GUID_SIZE_MSFT];
+    XrPosef               poseInNodeSpace;
+} XrSpatialGraphNodeBindingPropertiesMSFT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialGraphNodeSpaceMSFT)(XrSession session, const XrSpatialGraphNodeSpaceCreateInfoMSFT* createInfo, XrSpace* space);
+typedef XrResult (XRAPI_PTR *PFN_xrTryCreateSpatialGraphStaticNodeBindingMSFT)(XrSession session, const XrSpatialGraphStaticNodeBindingCreateInfoMSFT* createInfo, XrSpatialGraphNodeBindingMSFT* nodeBinding);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroySpatialGraphNodeBindingMSFT)(XrSpatialGraphNodeBindingMSFT nodeBinding);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpatialGraphNodeBindingPropertiesMSFT)(XrSpatialGraphNodeBindingMSFT nodeBinding, const XrSpatialGraphNodeBindingPropertiesGetInfoMSFT* getInfo, XrSpatialGraphNodeBindingPropertiesMSFT* properties);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialGraphNodeSpaceMSFT(
+    XrSession                                   session,
+    const XrSpatialGraphNodeSpaceCreateInfoMSFT* createInfo,
+    XrSpace*                                    space);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrTryCreateSpatialGraphStaticNodeBindingMSFT(
+    XrSession                                   session,
+    const XrSpatialGraphStaticNodeBindingCreateInfoMSFT* createInfo,
+    XrSpatialGraphNodeBindingMSFT*              nodeBinding);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroySpatialGraphNodeBindingMSFT(
+    XrSpatialGraphNodeBindingMSFT               nodeBinding);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpatialGraphNodeBindingPropertiesMSFT(
+    XrSpatialGraphNodeBindingMSFT               nodeBinding,
+    const XrSpatialGraphNodeBindingPropertiesGetInfoMSFT* getInfo,
+    XrSpatialGraphNodeBindingPropertiesMSFT*    properties);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_MSFT_hand_interaction is a preprocessor guard. Do not pass it to API calls.
+#define XR_MSFT_hand_interaction 1
+#define XR_MSFT_hand_interaction_SPEC_VERSION 1
+#define XR_MSFT_HAND_INTERACTION_EXTENSION_NAME "XR_MSFT_hand_interaction"
+
+
+// XR_EXT_hand_tracking is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_hand_tracking 1
+
+#define XR_HAND_JOINT_COUNT_EXT 26
+
+XR_DEFINE_HANDLE(XrHandTrackerEXT)
+#define XR_EXT_hand_tracking_SPEC_VERSION 4
+#define XR_EXT_HAND_TRACKING_EXTENSION_NAME "XR_EXT_hand_tracking"
+
+typedef enum XrHandEXT {
+    XR_HAND_LEFT_EXT = 1,
+    XR_HAND_RIGHT_EXT = 2,
+    XR_HAND_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrHandEXT;
+
+typedef enum XrHandJointEXT {
+    XR_HAND_JOINT_PALM_EXT = 0,
+    XR_HAND_JOINT_WRIST_EXT = 1,
+    XR_HAND_JOINT_THUMB_METACARPAL_EXT = 2,
+    XR_HAND_JOINT_THUMB_PROXIMAL_EXT = 3,
+    XR_HAND_JOINT_THUMB_DISTAL_EXT = 4,
+    XR_HAND_JOINT_THUMB_TIP_EXT = 5,
+    XR_HAND_JOINT_INDEX_METACARPAL_EXT = 6,
+    XR_HAND_JOINT_INDEX_PROXIMAL_EXT = 7,
+    XR_HAND_JOINT_INDEX_INTERMEDIATE_EXT = 8,
+    XR_HAND_JOINT_INDEX_DISTAL_EXT = 9,
+    XR_HAND_JOINT_INDEX_TIP_EXT = 10,
+    XR_HAND_JOINT_MIDDLE_METACARPAL_EXT = 11,
+    XR_HAND_JOINT_MIDDLE_PROXIMAL_EXT = 12,
+    XR_HAND_JOINT_MIDDLE_INTERMEDIATE_EXT = 13,
+    XR_HAND_JOINT_MIDDLE_DISTAL_EXT = 14,
+    XR_HAND_JOINT_MIDDLE_TIP_EXT = 15,
+    XR_HAND_JOINT_RING_METACARPAL_EXT = 16,
+    XR_HAND_JOINT_RING_PROXIMAL_EXT = 17,
+    XR_HAND_JOINT_RING_INTERMEDIATE_EXT = 18,
+    XR_HAND_JOINT_RING_DISTAL_EXT = 19,
+    XR_HAND_JOINT_RING_TIP_EXT = 20,
+    XR_HAND_JOINT_LITTLE_METACARPAL_EXT = 21,
+    XR_HAND_JOINT_LITTLE_PROXIMAL_EXT = 22,
+    XR_HAND_JOINT_LITTLE_INTERMEDIATE_EXT = 23,
+    XR_HAND_JOINT_LITTLE_DISTAL_EXT = 24,
+    XR_HAND_JOINT_LITTLE_TIP_EXT = 25,
+    XR_HAND_JOINT_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrHandJointEXT;
+
+typedef enum XrHandJointSetEXT {
+    XR_HAND_JOINT_SET_DEFAULT_EXT = 0,
+    XR_HAND_JOINT_SET_HAND_WITH_FOREARM_ULTRALEAP = 1000149000,
+    XR_HAND_JOINT_SET_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrHandJointSetEXT;
+// XrSystemHandTrackingPropertiesEXT extends XrSystemProperties
+typedef struct XrSystemHandTrackingPropertiesEXT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsHandTracking;
+} XrSystemHandTrackingPropertiesEXT;
+
+typedef struct XrHandTrackerCreateInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrHandEXT                   hand;
+    XrHandJointSetEXT           handJointSet;
+} XrHandTrackerCreateInfoEXT;
+
+typedef struct XrHandJointsLocateInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     baseSpace;
+    XrTime                      time;
+} XrHandJointsLocateInfoEXT;
+
+typedef struct XrHandJointLocationEXT {
+    XrSpaceLocationFlags    locationFlags;
+    XrPosef                 pose;
+    float                   radius;
+} XrHandJointLocationEXT;
+
+typedef struct XrHandJointVelocityEXT {
+    XrSpaceVelocityFlags    velocityFlags;
+    XrVector3f              linearVelocity;
+    XrVector3f              angularVelocity;
+} XrHandJointVelocityEXT;
+
+typedef struct XrHandJointLocationsEXT {
+    XrStructureType            type;
+    void* XR_MAY_ALIAS         next;
+    XrBool32                   isActive;
+    uint32_t                   jointCount;
+    XrHandJointLocationEXT*    jointLocations;
+} XrHandJointLocationsEXT;
+
+// XrHandJointVelocitiesEXT extends XrHandJointLocationsEXT
+typedef struct XrHandJointVelocitiesEXT {
+    XrStructureType            type;
+    void* XR_MAY_ALIAS         next;
+    uint32_t                   jointCount;
+    XrHandJointVelocityEXT*    jointVelocities;
+} XrHandJointVelocitiesEXT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateHandTrackerEXT)(XrSession session, const XrHandTrackerCreateInfoEXT* createInfo, XrHandTrackerEXT* handTracker);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyHandTrackerEXT)(XrHandTrackerEXT handTracker);
+typedef XrResult (XRAPI_PTR *PFN_xrLocateHandJointsEXT)(XrHandTrackerEXT handTracker, const XrHandJointsLocateInfoEXT* locateInfo, XrHandJointLocationsEXT* locations);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateHandTrackerEXT(
+    XrSession                                   session,
+    const XrHandTrackerCreateInfoEXT*           createInfo,
+    XrHandTrackerEXT*                           handTracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyHandTrackerEXT(
+    XrHandTrackerEXT                            handTracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrLocateHandJointsEXT(
+    XrHandTrackerEXT                            handTracker,
+    const XrHandJointsLocateInfoEXT*            locateInfo,
+    XrHandJointLocationsEXT*                    locations);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_MSFT_hand_tracking_mesh is a preprocessor guard. Do not pass it to API calls.
+#define XR_MSFT_hand_tracking_mesh 1
+#define XR_MSFT_hand_tracking_mesh_SPEC_VERSION 4
+#define XR_MSFT_HAND_TRACKING_MESH_EXTENSION_NAME "XR_MSFT_hand_tracking_mesh"
+
+typedef enum XrHandPoseTypeMSFT {
+    XR_HAND_POSE_TYPE_TRACKED_MSFT = 0,
+    XR_HAND_POSE_TYPE_REFERENCE_OPEN_PALM_MSFT = 1,
+    XR_HAND_POSE_TYPE_MAX_ENUM_MSFT = 0x7FFFFFFF
+} XrHandPoseTypeMSFT;
+// XrSystemHandTrackingMeshPropertiesMSFT extends XrSystemProperties
+typedef struct XrSystemHandTrackingMeshPropertiesMSFT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsHandTrackingMesh;
+    uint32_t              maxHandMeshIndexCount;
+    uint32_t              maxHandMeshVertexCount;
+} XrSystemHandTrackingMeshPropertiesMSFT;
+
+typedef struct XrHandMeshSpaceCreateInfoMSFT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrHandPoseTypeMSFT          handPoseType;
+    XrPosef                     poseInHandMeshSpace;
+} XrHandMeshSpaceCreateInfoMSFT;
+
+typedef struct XrHandMeshUpdateInfoMSFT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrTime                      time;
+    XrHandPoseTypeMSFT          handPoseType;
+} XrHandMeshUpdateInfoMSFT;
+
+typedef struct XrHandMeshIndexBufferMSFT {
+    uint32_t     indexBufferKey;
+    uint32_t     indexCapacityInput;
+    uint32_t     indexCountOutput;
+    uint32_t*    indices;
+} XrHandMeshIndexBufferMSFT;
+
+typedef struct XrHandMeshVertexMSFT {
+    XrVector3f    position;
+    XrVector3f    normal;
+} XrHandMeshVertexMSFT;
+
+typedef struct XrHandMeshVertexBufferMSFT {
+    XrTime                   vertexUpdateTime;
+    uint32_t                 vertexCapacityInput;
+    uint32_t                 vertexCountOutput;
+    XrHandMeshVertexMSFT*    vertices;
+} XrHandMeshVertexBufferMSFT;
+
+typedef struct XrHandMeshMSFT {
+    XrStructureType               type;
+    void* XR_MAY_ALIAS            next;
+    XrBool32                      isActive;
+    XrBool32                      indexBufferChanged;
+    XrBool32                      vertexBufferChanged;
+    XrHandMeshIndexBufferMSFT     indexBuffer;
+    XrHandMeshVertexBufferMSFT    vertexBuffer;
+} XrHandMeshMSFT;
+
+// XrHandPoseTypeInfoMSFT extends XrHandTrackerCreateInfoEXT
+typedef struct XrHandPoseTypeInfoMSFT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrHandPoseTypeMSFT          handPoseType;
+} XrHandPoseTypeInfoMSFT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateHandMeshSpaceMSFT)(XrHandTrackerEXT handTracker, const XrHandMeshSpaceCreateInfoMSFT* createInfo, XrSpace* space);
+typedef XrResult (XRAPI_PTR *PFN_xrUpdateHandMeshMSFT)(XrHandTrackerEXT handTracker, const XrHandMeshUpdateInfoMSFT* updateInfo, XrHandMeshMSFT* handMesh);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateHandMeshSpaceMSFT(
+    XrHandTrackerEXT                            handTracker,
+    const XrHandMeshSpaceCreateInfoMSFT*        createInfo,
+    XrSpace*                                    space);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrUpdateHandMeshMSFT(
+    XrHandTrackerEXT                            handTracker,
+    const XrHandMeshUpdateInfoMSFT*             updateInfo,
+    XrHandMeshMSFT*                             handMesh);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_MSFT_secondary_view_configuration is a preprocessor guard. Do not pass it to API calls.
+#define XR_MSFT_secondary_view_configuration 1
+#define XR_MSFT_secondary_view_configuration_SPEC_VERSION 1
+#define XR_MSFT_SECONDARY_VIEW_CONFIGURATION_EXTENSION_NAME "XR_MSFT_secondary_view_configuration"
+// XrSecondaryViewConfigurationSessionBeginInfoMSFT extends XrSessionBeginInfo
+typedef struct XrSecondaryViewConfigurationSessionBeginInfoMSFT {
+    XrStructureType                   type;
+    const void* XR_MAY_ALIAS          next;
+    uint32_t                          viewConfigurationCount;
+    const XrViewConfigurationType*    enabledViewConfigurationTypes;
+} XrSecondaryViewConfigurationSessionBeginInfoMSFT;
+
+typedef struct XrSecondaryViewConfigurationStateMSFT {
+    XrStructureType            type;
+    void* XR_MAY_ALIAS         next;
+    XrViewConfigurationType    viewConfigurationType;
+    XrBool32                   active;
+} XrSecondaryViewConfigurationStateMSFT;
+
+// XrSecondaryViewConfigurationFrameStateMSFT extends XrFrameState
+typedef struct XrSecondaryViewConfigurationFrameStateMSFT {
+    XrStructureType                           type;
+    void* XR_MAY_ALIAS                        next;
+    uint32_t                                  viewConfigurationCount;
+    XrSecondaryViewConfigurationStateMSFT*    viewConfigurationStates;
+} XrSecondaryViewConfigurationFrameStateMSFT;
+
+typedef struct XrSecondaryViewConfigurationLayerInfoMSFT {
+    XrStructureType                               type;
+    const void* XR_MAY_ALIAS                      next;
+    XrViewConfigurationType                       viewConfigurationType;
+    XrEnvironmentBlendMode                        environmentBlendMode;
+    uint32_t                                      layerCount;
+    const XrCompositionLayerBaseHeader* const*    layers;
+} XrSecondaryViewConfigurationLayerInfoMSFT;
+
+// XrSecondaryViewConfigurationFrameEndInfoMSFT extends XrFrameEndInfo
+typedef struct XrSecondaryViewConfigurationFrameEndInfoMSFT {
+    XrStructureType                                     type;
+    const void* XR_MAY_ALIAS                            next;
+    uint32_t                                            viewConfigurationCount;
+    const XrSecondaryViewConfigurationLayerInfoMSFT*    viewConfigurationLayersInfo;
+} XrSecondaryViewConfigurationFrameEndInfoMSFT;
+
+// XrSecondaryViewConfigurationSwapchainCreateInfoMSFT extends XrSwapchainCreateInfo
+typedef struct XrSecondaryViewConfigurationSwapchainCreateInfoMSFT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrViewConfigurationType     viewConfigurationType;
+} XrSecondaryViewConfigurationSwapchainCreateInfoMSFT;
+
+
+
+// XR_MSFT_first_person_observer is a preprocessor guard. Do not pass it to API calls.
+#define XR_MSFT_first_person_observer 1
+#define XR_MSFT_first_person_observer_SPEC_VERSION 1
+#define XR_MSFT_FIRST_PERSON_OBSERVER_EXTENSION_NAME "XR_MSFT_first_person_observer"
+
+
+// XR_MSFT_controller_model is a preprocessor guard. Do not pass it to API calls.
+#define XR_MSFT_controller_model 1
+
+#define XR_NULL_CONTROLLER_MODEL_KEY_MSFT 0
+
+XR_DEFINE_ATOM(XrControllerModelKeyMSFT)
+#define XR_MAX_CONTROLLER_MODEL_NODE_NAME_SIZE_MSFT 64
+#define XR_MSFT_controller_model_SPEC_VERSION 2
+#define XR_MSFT_CONTROLLER_MODEL_EXTENSION_NAME "XR_MSFT_controller_model"
+typedef struct XrControllerModelKeyStateMSFT {
+    XrStructureType             type;
+    void* XR_MAY_ALIAS          next;
+    XrControllerModelKeyMSFT    modelKey;
+} XrControllerModelKeyStateMSFT;
+
+typedef struct XrControllerModelNodePropertiesMSFT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    char                  parentNodeName[XR_MAX_CONTROLLER_MODEL_NODE_NAME_SIZE_MSFT];
+    char                  nodeName[XR_MAX_CONTROLLER_MODEL_NODE_NAME_SIZE_MSFT];
+} XrControllerModelNodePropertiesMSFT;
+
+typedef struct XrControllerModelPropertiesMSFT {
+    XrStructureType                         type;
+    void* XR_MAY_ALIAS                      next;
+    uint32_t                                nodeCapacityInput;
+    uint32_t                                nodeCountOutput;
+    XrControllerModelNodePropertiesMSFT*    nodeProperties;
+} XrControllerModelPropertiesMSFT;
+
+typedef struct XrControllerModelNodeStateMSFT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrPosef               nodePose;
+} XrControllerModelNodeStateMSFT;
+
+typedef struct XrControllerModelStateMSFT {
+    XrStructureType                    type;
+    void* XR_MAY_ALIAS                 next;
+    uint32_t                           nodeCapacityInput;
+    uint32_t                           nodeCountOutput;
+    XrControllerModelNodeStateMSFT*    nodeStates;
+} XrControllerModelStateMSFT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrGetControllerModelKeyMSFT)(XrSession session, XrPath topLevelUserPath, XrControllerModelKeyStateMSFT* controllerModelKeyState);
+typedef XrResult (XRAPI_PTR *PFN_xrLoadControllerModelMSFT)(XrSession session, XrControllerModelKeyMSFT modelKey, uint32_t bufferCapacityInput, uint32_t* bufferCountOutput, uint8_t* buffer);
+typedef XrResult (XRAPI_PTR *PFN_xrGetControllerModelPropertiesMSFT)(XrSession session, XrControllerModelKeyMSFT modelKey, XrControllerModelPropertiesMSFT* properties);
+typedef XrResult (XRAPI_PTR *PFN_xrGetControllerModelStateMSFT)(XrSession session, XrControllerModelKeyMSFT modelKey, XrControllerModelStateMSFT* state);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetControllerModelKeyMSFT(
+    XrSession                                   session,
+    XrPath                                      topLevelUserPath,
+    XrControllerModelKeyStateMSFT*              controllerModelKeyState);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrLoadControllerModelMSFT(
+    XrSession                                   session,
+    XrControllerModelKeyMSFT                    modelKey,
+    uint32_t                                    bufferCapacityInput,
+    uint32_t*                                   bufferCountOutput,
+    uint8_t*                                    buffer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetControllerModelPropertiesMSFT(
+    XrSession                                   session,
+    XrControllerModelKeyMSFT                    modelKey,
+    XrControllerModelPropertiesMSFT*            properties);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetControllerModelStateMSFT(
+    XrSession                                   session,
+    XrControllerModelKeyMSFT                    modelKey,
+    XrControllerModelStateMSFT*                 state);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_EXT_win32_appcontainer_compatible is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_win32_appcontainer_compatible 1
+#define XR_EXT_win32_appcontainer_compatible_SPEC_VERSION 1
+#define XR_EXT_WIN32_APPCONTAINER_COMPATIBLE_EXTENSION_NAME "XR_EXT_win32_appcontainer_compatible"
+
+
+// XR_EPIC_view_configuration_fov is a preprocessor guard. Do not pass it to API calls.
+#define XR_EPIC_view_configuration_fov 1
+#define XR_EPIC_view_configuration_fov_SPEC_VERSION 2
+#define XR_EPIC_VIEW_CONFIGURATION_FOV_EXTENSION_NAME "XR_EPIC_view_configuration_fov"
+// XrViewConfigurationViewFovEPIC extends XrViewConfigurationView
+typedef struct XrViewConfigurationViewFovEPIC {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrFovf                      recommendedFov;
+    XrFovf                      maxMutableFov;
+} XrViewConfigurationViewFovEPIC;
+
+
+
+// XR_MSFT_composition_layer_reprojection is a preprocessor guard. Do not pass it to API calls.
+#define XR_MSFT_composition_layer_reprojection 1
+#define XR_MSFT_composition_layer_reprojection_SPEC_VERSION 1
+#define XR_MSFT_COMPOSITION_LAYER_REPROJECTION_EXTENSION_NAME "XR_MSFT_composition_layer_reprojection"
+
+typedef enum XrReprojectionModeMSFT {
+    XR_REPROJECTION_MODE_DEPTH_MSFT = 1,
+    XR_REPROJECTION_MODE_PLANAR_FROM_DEPTH_MSFT = 2,
+    XR_REPROJECTION_MODE_PLANAR_MANUAL_MSFT = 3,
+    XR_REPROJECTION_MODE_ORIENTATION_ONLY_MSFT = 4,
+    XR_REPROJECTION_MODE_MAX_ENUM_MSFT = 0x7FFFFFFF
+} XrReprojectionModeMSFT;
+// XrCompositionLayerReprojectionInfoMSFT extends XrCompositionLayerProjection
+typedef struct XrCompositionLayerReprojectionInfoMSFT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrReprojectionModeMSFT      reprojectionMode;
+} XrCompositionLayerReprojectionInfoMSFT;
+
+// XrCompositionLayerReprojectionPlaneOverrideMSFT extends XrCompositionLayerProjection
+typedef struct XrCompositionLayerReprojectionPlaneOverrideMSFT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrVector3f                  position;
+    XrVector3f                  normal;
+    XrVector3f                  velocity;
+} XrCompositionLayerReprojectionPlaneOverrideMSFT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateReprojectionModesMSFT)(XrInstance instance, XrSystemId systemId, XrViewConfigurationType viewConfigurationType, uint32_t modeCapacityInput, uint32_t* modeCountOutput, XrReprojectionModeMSFT* modes);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateReprojectionModesMSFT(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    XrViewConfigurationType                     viewConfigurationType,
+    uint32_t                                    modeCapacityInput,
+    uint32_t*                                   modeCountOutput,
+    XrReprojectionModeMSFT*                     modes);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_HUAWEI_controller_interaction is a preprocessor guard. Do not pass it to API calls.
+#define XR_HUAWEI_controller_interaction 1
+#define XR_HUAWEI_controller_interaction_SPEC_VERSION 1
+#define XR_HUAWEI_CONTROLLER_INTERACTION_EXTENSION_NAME "XR_HUAWEI_controller_interaction"
+
+
+// XR_FB_swapchain_update_state is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_swapchain_update_state 1
+#define XR_FB_swapchain_update_state_SPEC_VERSION 3
+#define XR_FB_SWAPCHAIN_UPDATE_STATE_EXTENSION_NAME "XR_FB_swapchain_update_state"
+typedef struct XR_MAY_ALIAS XrSwapchainStateBaseHeaderFB {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+} XrSwapchainStateBaseHeaderFB;
+
+typedef XrResult (XRAPI_PTR *PFN_xrUpdateSwapchainFB)(XrSwapchain swapchain, const XrSwapchainStateBaseHeaderFB* state);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSwapchainStateFB)(XrSwapchain swapchain, XrSwapchainStateBaseHeaderFB* state);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrUpdateSwapchainFB(
+    XrSwapchain                                 swapchain,
+    const XrSwapchainStateBaseHeaderFB*         state);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSwapchainStateFB(
+    XrSwapchain                                 swapchain,
+    XrSwapchainStateBaseHeaderFB*               state);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_FB_composition_layer_secure_content is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_composition_layer_secure_content 1
+#define XR_FB_composition_layer_secure_content_SPEC_VERSION 1
+#define XR_FB_COMPOSITION_LAYER_SECURE_CONTENT_EXTENSION_NAME "XR_FB_composition_layer_secure_content"
+// XrCompositionLayerSecureContentFB extends XrCompositionLayerBaseHeader
+typedef struct XrCompositionLayerSecureContentFB {
+    XrStructureType                           type;
+    const void* XR_MAY_ALIAS                  next;
+    XrCompositionLayerSecureContentFlagsFB    flags;
+} XrCompositionLayerSecureContentFB;
+
+
+
+// XR_FB_body_tracking is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_body_tracking 1
+XR_DEFINE_HANDLE(XrBodyTrackerFB)
+#define XR_FB_body_tracking_SPEC_VERSION  1
+#define XR_FB_BODY_TRACKING_EXTENSION_NAME "XR_FB_body_tracking"
+
+typedef enum XrBodyJointFB {
+    XR_BODY_JOINT_ROOT_FB = 0,
+    XR_BODY_JOINT_HIPS_FB = 1,
+    XR_BODY_JOINT_SPINE_LOWER_FB = 2,
+    XR_BODY_JOINT_SPINE_MIDDLE_FB = 3,
+    XR_BODY_JOINT_SPINE_UPPER_FB = 4,
+    XR_BODY_JOINT_CHEST_FB = 5,
+    XR_BODY_JOINT_NECK_FB = 6,
+    XR_BODY_JOINT_HEAD_FB = 7,
+    XR_BODY_JOINT_LEFT_SHOULDER_FB = 8,
+    XR_BODY_JOINT_LEFT_SCAPULA_FB = 9,
+    XR_BODY_JOINT_LEFT_ARM_UPPER_FB = 10,
+    XR_BODY_JOINT_LEFT_ARM_LOWER_FB = 11,
+    XR_BODY_JOINT_LEFT_HAND_WRIST_TWIST_FB = 12,
+    XR_BODY_JOINT_RIGHT_SHOULDER_FB = 13,
+    XR_BODY_JOINT_RIGHT_SCAPULA_FB = 14,
+    XR_BODY_JOINT_RIGHT_ARM_UPPER_FB = 15,
+    XR_BODY_JOINT_RIGHT_ARM_LOWER_FB = 16,
+    XR_BODY_JOINT_RIGHT_HAND_WRIST_TWIST_FB = 17,
+    XR_BODY_JOINT_LEFT_HAND_PALM_FB = 18,
+    XR_BODY_JOINT_LEFT_HAND_WRIST_FB = 19,
+    XR_BODY_JOINT_LEFT_HAND_THUMB_METACARPAL_FB = 20,
+    XR_BODY_JOINT_LEFT_HAND_THUMB_PROXIMAL_FB = 21,
+    XR_BODY_JOINT_LEFT_HAND_THUMB_DISTAL_FB = 22,
+    XR_BODY_JOINT_LEFT_HAND_THUMB_TIP_FB = 23,
+    XR_BODY_JOINT_LEFT_HAND_INDEX_METACARPAL_FB = 24,
+    XR_BODY_JOINT_LEFT_HAND_INDEX_PROXIMAL_FB = 25,
+    XR_BODY_JOINT_LEFT_HAND_INDEX_INTERMEDIATE_FB = 26,
+    XR_BODY_JOINT_LEFT_HAND_INDEX_DISTAL_FB = 27,
+    XR_BODY_JOINT_LEFT_HAND_INDEX_TIP_FB = 28,
+    XR_BODY_JOINT_LEFT_HAND_MIDDLE_METACARPAL_FB = 29,
+    XR_BODY_JOINT_LEFT_HAND_MIDDLE_PROXIMAL_FB = 30,
+    XR_BODY_JOINT_LEFT_HAND_MIDDLE_INTERMEDIATE_FB = 31,
+    XR_BODY_JOINT_LEFT_HAND_MIDDLE_DISTAL_FB = 32,
+    XR_BODY_JOINT_LEFT_HAND_MIDDLE_TIP_FB = 33,
+    XR_BODY_JOINT_LEFT_HAND_RING_METACARPAL_FB = 34,
+    XR_BODY_JOINT_LEFT_HAND_RING_PROXIMAL_FB = 35,
+    XR_BODY_JOINT_LEFT_HAND_RING_INTERMEDIATE_FB = 36,
+    XR_BODY_JOINT_LEFT_HAND_RING_DISTAL_FB = 37,
+    XR_BODY_JOINT_LEFT_HAND_RING_TIP_FB = 38,
+    XR_BODY_JOINT_LEFT_HAND_LITTLE_METACARPAL_FB = 39,
+    XR_BODY_JOINT_LEFT_HAND_LITTLE_PROXIMAL_FB = 40,
+    XR_BODY_JOINT_LEFT_HAND_LITTLE_INTERMEDIATE_FB = 41,
+    XR_BODY_JOINT_LEFT_HAND_LITTLE_DISTAL_FB = 42,
+    XR_BODY_JOINT_LEFT_HAND_LITTLE_TIP_FB = 43,
+    XR_BODY_JOINT_RIGHT_HAND_PALM_FB = 44,
+    XR_BODY_JOINT_RIGHT_HAND_WRIST_FB = 45,
+    XR_BODY_JOINT_RIGHT_HAND_THUMB_METACARPAL_FB = 46,
+    XR_BODY_JOINT_RIGHT_HAND_THUMB_PROXIMAL_FB = 47,
+    XR_BODY_JOINT_RIGHT_HAND_THUMB_DISTAL_FB = 48,
+    XR_BODY_JOINT_RIGHT_HAND_THUMB_TIP_FB = 49,
+    XR_BODY_JOINT_RIGHT_HAND_INDEX_METACARPAL_FB = 50,
+    XR_BODY_JOINT_RIGHT_HAND_INDEX_PROXIMAL_FB = 51,
+    XR_BODY_JOINT_RIGHT_HAND_INDEX_INTERMEDIATE_FB = 52,
+    XR_BODY_JOINT_RIGHT_HAND_INDEX_DISTAL_FB = 53,
+    XR_BODY_JOINT_RIGHT_HAND_INDEX_TIP_FB = 54,
+    XR_BODY_JOINT_RIGHT_HAND_MIDDLE_METACARPAL_FB = 55,
+    XR_BODY_JOINT_RIGHT_HAND_MIDDLE_PROXIMAL_FB = 56,
+    XR_BODY_JOINT_RIGHT_HAND_MIDDLE_INTERMEDIATE_FB = 57,
+    XR_BODY_JOINT_RIGHT_HAND_MIDDLE_DISTAL_FB = 58,
+    XR_BODY_JOINT_RIGHT_HAND_MIDDLE_TIP_FB = 59,
+    XR_BODY_JOINT_RIGHT_HAND_RING_METACARPAL_FB = 60,
+    XR_BODY_JOINT_RIGHT_HAND_RING_PROXIMAL_FB = 61,
+    XR_BODY_JOINT_RIGHT_HAND_RING_INTERMEDIATE_FB = 62,
+    XR_BODY_JOINT_RIGHT_HAND_RING_DISTAL_FB = 63,
+    XR_BODY_JOINT_RIGHT_HAND_RING_TIP_FB = 64,
+    XR_BODY_JOINT_RIGHT_HAND_LITTLE_METACARPAL_FB = 65,
+    XR_BODY_JOINT_RIGHT_HAND_LITTLE_PROXIMAL_FB = 66,
+    XR_BODY_JOINT_RIGHT_HAND_LITTLE_INTERMEDIATE_FB = 67,
+    XR_BODY_JOINT_RIGHT_HAND_LITTLE_DISTAL_FB = 68,
+    XR_BODY_JOINT_RIGHT_HAND_LITTLE_TIP_FB = 69,
+    XR_BODY_JOINT_COUNT_FB = 70,
+    XR_BODY_JOINT_NONE_FB = -1,
+    XR_BODY_JOINT_MAX_ENUM_FB = 0x7FFFFFFF
+} XrBodyJointFB;
+
+typedef enum XrBodyJointSetFB {
+    XR_BODY_JOINT_SET_DEFAULT_FB = 0,
+    XR_BODY_JOINT_SET_FULL_BODY_META = 1000274000,
+    XR_BODY_JOINT_SET_MAX_ENUM_FB = 0x7FFFFFFF
+} XrBodyJointSetFB;
+typedef struct XrBodyJointLocationFB {
+    XrSpaceLocationFlags    locationFlags;
+    XrPosef                 pose;
+} XrBodyJointLocationFB;
+
+// XrSystemBodyTrackingPropertiesFB extends XrSystemProperties
+typedef struct XrSystemBodyTrackingPropertiesFB {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsBodyTracking;
+} XrSystemBodyTrackingPropertiesFB;
+
+typedef struct XrBodyTrackerCreateInfoFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrBodyJointSetFB            bodyJointSet;
+} XrBodyTrackerCreateInfoFB;
+
+typedef struct XrBodySkeletonJointFB {
+    int32_t    joint;
+    int32_t    parentJoint;
+    XrPosef    pose;
+} XrBodySkeletonJointFB;
+
+typedef struct XrBodySkeletonFB {
+    XrStructureType           type;
+    void* XR_MAY_ALIAS        next;
+    uint32_t                  jointCount;
+    XrBodySkeletonJointFB*    joints;
+} XrBodySkeletonFB;
+
+typedef struct XrBodyJointsLocateInfoFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     baseSpace;
+    XrTime                      time;
+} XrBodyJointsLocateInfoFB;
+
+typedef struct XrBodyJointLocationsFB {
+    XrStructureType           type;
+    void* XR_MAY_ALIAS        next;
+    XrBool32                  isActive;
+    float                     confidence;
+    uint32_t                  jointCount;
+    XrBodyJointLocationFB*    jointLocations;
+    uint32_t                  skeletonChangedCount;
+    XrTime                    time;
+} XrBodyJointLocationsFB;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateBodyTrackerFB)(XrSession session, const XrBodyTrackerCreateInfoFB* createInfo, XrBodyTrackerFB* bodyTracker);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyBodyTrackerFB)(XrBodyTrackerFB bodyTracker);
+typedef XrResult (XRAPI_PTR *PFN_xrLocateBodyJointsFB)(XrBodyTrackerFB bodyTracker, const XrBodyJointsLocateInfoFB* locateInfo, XrBodyJointLocationsFB* locations);
+typedef XrResult (XRAPI_PTR *PFN_xrGetBodySkeletonFB)(XrBodyTrackerFB bodyTracker, XrBodySkeletonFB* skeleton);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateBodyTrackerFB(
+    XrSession                                   session,
+    const XrBodyTrackerCreateInfoFB*            createInfo,
+    XrBodyTrackerFB*                            bodyTracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyBodyTrackerFB(
+    XrBodyTrackerFB                             bodyTracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrLocateBodyJointsFB(
+    XrBodyTrackerFB                             bodyTracker,
+    const XrBodyJointsLocateInfoFB*             locateInfo,
+    XrBodyJointLocationsFB*                     locations);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetBodySkeletonFB(
+    XrBodyTrackerFB                             bodyTracker,
+    XrBodySkeletonFB*                           skeleton);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_EXT_dpad_binding is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_dpad_binding 1
+#define XR_EXT_dpad_binding_SPEC_VERSION  1
+#define XR_EXT_DPAD_BINDING_EXTENSION_NAME "XR_EXT_dpad_binding"
+typedef struct XrInteractionProfileDpadBindingEXT {
+    XrStructureType              type;
+    const void* XR_MAY_ALIAS     next;
+    XrPath                       binding;
+    XrActionSet                  actionSet;
+    float                        forceThreshold;
+    float                        forceThresholdReleased;
+    float                        centerRegion;
+    float                        wedgeAngle;
+    XrBool32                     isSticky;
+    const XrHapticBaseHeader*    onHaptic;
+    const XrHapticBaseHeader*    offHaptic;
+} XrInteractionProfileDpadBindingEXT;
+
+
+
+// XR_VALVE_analog_threshold is a preprocessor guard. Do not pass it to API calls.
+#define XR_VALVE_analog_threshold 1
+#define XR_VALVE_analog_threshold_SPEC_VERSION 2
+#define XR_VALVE_ANALOG_THRESHOLD_EXTENSION_NAME "XR_VALVE_analog_threshold"
+typedef struct XrInteractionProfileAnalogThresholdVALVE {
+    XrStructureType              type;
+    const void* XR_MAY_ALIAS     next;
+    XrAction                     action;
+    XrPath                       binding;
+    float                        onThreshold;
+    float                        offThreshold;
+    const XrHapticBaseHeader*    onHaptic;
+    const XrHapticBaseHeader*    offHaptic;
+} XrInteractionProfileAnalogThresholdVALVE;
+
+
+
+// XR_EXT_hand_joints_motion_range is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_hand_joints_motion_range 1
+#define XR_EXT_hand_joints_motion_range_SPEC_VERSION 1
+#define XR_EXT_HAND_JOINTS_MOTION_RANGE_EXTENSION_NAME "XR_EXT_hand_joints_motion_range"
+
+typedef enum XrHandJointsMotionRangeEXT {
+    XR_HAND_JOINTS_MOTION_RANGE_UNOBSTRUCTED_EXT = 1,
+    XR_HAND_JOINTS_MOTION_RANGE_CONFORMING_TO_CONTROLLER_EXT = 2,
+    XR_HAND_JOINTS_MOTION_RANGE_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrHandJointsMotionRangeEXT;
+// XrHandJointsMotionRangeInfoEXT extends XrHandJointsLocateInfoEXT
+typedef struct XrHandJointsMotionRangeInfoEXT {
+    XrStructureType               type;
+    const void* XR_MAY_ALIAS      next;
+    XrHandJointsMotionRangeEXT    handJointsMotionRange;
+} XrHandJointsMotionRangeInfoEXT;
+
+
+
+// XR_EXT_samsung_odyssey_controller is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_samsung_odyssey_controller 1
+#define XR_EXT_samsung_odyssey_controller_SPEC_VERSION 1
+#define XR_EXT_SAMSUNG_ODYSSEY_CONTROLLER_EXTENSION_NAME "XR_EXT_samsung_odyssey_controller"
+
+
+// XR_EXT_hp_mixed_reality_controller is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_hp_mixed_reality_controller 1
+#define XR_EXT_hp_mixed_reality_controller_SPEC_VERSION 1
+#define XR_EXT_HP_MIXED_REALITY_CONTROLLER_EXTENSION_NAME "XR_EXT_hp_mixed_reality_controller"
+
+
+// XR_MND_swapchain_usage_input_attachment_bit is a preprocessor guard. Do not pass it to API calls.
+#define XR_MND_swapchain_usage_input_attachment_bit 1
+#define XR_MND_swapchain_usage_input_attachment_bit_SPEC_VERSION 2
+#define XR_MND_SWAPCHAIN_USAGE_INPUT_ATTACHMENT_BIT_EXTENSION_NAME "XR_MND_swapchain_usage_input_attachment_bit"
+
+
+// XR_MSFT_scene_understanding is a preprocessor guard. Do not pass it to API calls.
+#define XR_MSFT_scene_understanding 1
+
+            XR_DEFINE_HANDLE(XrSceneMSFT)
+
+
+            XR_DEFINE_HANDLE(XrSceneObserverMSFT)
+
+#define XR_MSFT_scene_understanding_SPEC_VERSION 2
+#define XR_MSFT_SCENE_UNDERSTANDING_EXTENSION_NAME "XR_MSFT_scene_understanding"
+
+typedef enum XrSceneComputeFeatureMSFT {
+    XR_SCENE_COMPUTE_FEATURE_PLANE_MSFT = 1,
+    XR_SCENE_COMPUTE_FEATURE_PLANE_MESH_MSFT = 2,
+    XR_SCENE_COMPUTE_FEATURE_VISUAL_MESH_MSFT = 3,
+    XR_SCENE_COMPUTE_FEATURE_COLLIDER_MESH_MSFT = 4,
+    XR_SCENE_COMPUTE_FEATURE_SERIALIZE_SCENE_MSFT = 1000098000,
+    XR_SCENE_COMPUTE_FEATURE_MARKER_MSFT = 1000147000,
+    XR_SCENE_COMPUTE_FEATURE_MAX_ENUM_MSFT = 0x7FFFFFFF
+} XrSceneComputeFeatureMSFT;
+
+typedef enum XrSceneComputeConsistencyMSFT {
+    XR_SCENE_COMPUTE_CONSISTENCY_SNAPSHOT_COMPLETE_MSFT = 1,
+    XR_SCENE_COMPUTE_CONSISTENCY_SNAPSHOT_INCOMPLETE_FAST_MSFT = 2,
+    XR_SCENE_COMPUTE_CONSISTENCY_OCCLUSION_OPTIMIZED_MSFT = 3,
+    XR_SCENE_COMPUTE_CONSISTENCY_MAX_ENUM_MSFT = 0x7FFFFFFF
+} XrSceneComputeConsistencyMSFT;
+
+typedef enum XrMeshComputeLodMSFT {
+    XR_MESH_COMPUTE_LOD_COARSE_MSFT = 1,
+    XR_MESH_COMPUTE_LOD_MEDIUM_MSFT = 2,
+    XR_MESH_COMPUTE_LOD_FINE_MSFT = 3,
+    XR_MESH_COMPUTE_LOD_UNLIMITED_MSFT = 4,
+    XR_MESH_COMPUTE_LOD_MAX_ENUM_MSFT = 0x7FFFFFFF
+} XrMeshComputeLodMSFT;
+
+typedef enum XrSceneComponentTypeMSFT {
+    XR_SCENE_COMPONENT_TYPE_INVALID_MSFT = -1,
+    XR_SCENE_COMPONENT_TYPE_OBJECT_MSFT = 1,
+    XR_SCENE_COMPONENT_TYPE_PLANE_MSFT = 2,
+    XR_SCENE_COMPONENT_TYPE_VISUAL_MESH_MSFT = 3,
+    XR_SCENE_COMPONENT_TYPE_COLLIDER_MESH_MSFT = 4,
+    XR_SCENE_COMPONENT_TYPE_SERIALIZED_SCENE_FRAGMENT_MSFT = 1000098000,
+    XR_SCENE_COMPONENT_TYPE_MARKER_MSFT = 1000147000,
+    XR_SCENE_COMPONENT_TYPE_MAX_ENUM_MSFT = 0x7FFFFFFF
+} XrSceneComponentTypeMSFT;
+
+typedef enum XrSceneObjectTypeMSFT {
+    XR_SCENE_OBJECT_TYPE_UNCATEGORIZED_MSFT = -1,
+    XR_SCENE_OBJECT_TYPE_BACKGROUND_MSFT = 1,
+    XR_SCENE_OBJECT_TYPE_WALL_MSFT = 2,
+    XR_SCENE_OBJECT_TYPE_FLOOR_MSFT = 3,
+    XR_SCENE_OBJECT_TYPE_CEILING_MSFT = 4,
+    XR_SCENE_OBJECT_TYPE_PLATFORM_MSFT = 5,
+    XR_SCENE_OBJECT_TYPE_INFERRED_MSFT = 6,
+    XR_SCENE_OBJECT_TYPE_MAX_ENUM_MSFT = 0x7FFFFFFF
+} XrSceneObjectTypeMSFT;
+
+typedef enum XrScenePlaneAlignmentTypeMSFT {
+    XR_SCENE_PLANE_ALIGNMENT_TYPE_NON_ORTHOGONAL_MSFT = 0,
+    XR_SCENE_PLANE_ALIGNMENT_TYPE_HORIZONTAL_MSFT = 1,
+    XR_SCENE_PLANE_ALIGNMENT_TYPE_VERTICAL_MSFT = 2,
+    XR_SCENE_PLANE_ALIGNMENT_TYPE_MAX_ENUM_MSFT = 0x7FFFFFFF
+} XrScenePlaneAlignmentTypeMSFT;
+
+typedef enum XrSceneComputeStateMSFT {
+    XR_SCENE_COMPUTE_STATE_NONE_MSFT = 0,
+    XR_SCENE_COMPUTE_STATE_UPDATING_MSFT = 1,
+    XR_SCENE_COMPUTE_STATE_COMPLETED_MSFT = 2,
+    XR_SCENE_COMPUTE_STATE_COMPLETED_WITH_ERROR_MSFT = 3,
+    XR_SCENE_COMPUTE_STATE_MAX_ENUM_MSFT = 0x7FFFFFFF
+} XrSceneComputeStateMSFT;
+typedef struct XrUuidMSFT {
+    uint8_t    bytes[16];
+} XrUuidMSFT;
+
+typedef struct XrSceneObserverCreateInfoMSFT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrSceneObserverCreateInfoMSFT;
+
+typedef struct XrSceneCreateInfoMSFT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrSceneCreateInfoMSFT;
+
+typedef struct XrSceneSphereBoundMSFT {
+    XrVector3f    center;
+    float         radius;
+} XrSceneSphereBoundMSFT;
+
+typedef struct XrSceneOrientedBoxBoundMSFT {
+    XrPosef       pose;
+    XrVector3f    extents;
+} XrSceneOrientedBoxBoundMSFT;
+
+typedef struct XrSceneFrustumBoundMSFT {
+    XrPosef    pose;
+    XrFovf     fov;
+    float      farDistance;
+} XrSceneFrustumBoundMSFT;
+
+typedef struct XrSceneBoundsMSFT {
+    XrSpace                               space;
+    XrTime                                time;
+    uint32_t                              sphereCount;
+    const XrSceneSphereBoundMSFT*         spheres;
+    uint32_t                              boxCount;
+    const XrSceneOrientedBoxBoundMSFT*    boxes;
+    uint32_t                              frustumCount;
+    const XrSceneFrustumBoundMSFT*        frustums;
+} XrSceneBoundsMSFT;
+
+typedef struct XrNewSceneComputeInfoMSFT {
+    XrStructureType                     type;
+    const void* XR_MAY_ALIAS            next;
+    uint32_t                            requestedFeatureCount;
+    const XrSceneComputeFeatureMSFT*    requestedFeatures;
+    XrSceneComputeConsistencyMSFT       consistency;
+    XrSceneBoundsMSFT                   bounds;
+} XrNewSceneComputeInfoMSFT;
+
+// XrVisualMeshComputeLodInfoMSFT extends XrNewSceneComputeInfoMSFT
+typedef struct XrVisualMeshComputeLodInfoMSFT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrMeshComputeLodMSFT        lod;
+} XrVisualMeshComputeLodInfoMSFT;
+
+typedef struct XrSceneComponentMSFT {
+    XrSceneComponentTypeMSFT    componentType;
+    XrUuidMSFT                  id;
+    XrUuidMSFT                  parentId;
+    XrTime                      updateTime;
+} XrSceneComponentMSFT;
+
+typedef struct XrSceneComponentsMSFT {
+    XrStructureType          type;
+    void* XR_MAY_ALIAS       next;
+    uint32_t                 componentCapacityInput;
+    uint32_t                 componentCountOutput;
+    XrSceneComponentMSFT*    components;
+} XrSceneComponentsMSFT;
+
+typedef struct XrSceneComponentsGetInfoMSFT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSceneComponentTypeMSFT    componentType;
+} XrSceneComponentsGetInfoMSFT;
+
+typedef struct XrSceneComponentLocationMSFT {
+    XrSpaceLocationFlags    flags;
+    XrPosef                 pose;
+} XrSceneComponentLocationMSFT;
+
+typedef struct XrSceneComponentLocationsMSFT {
+    XrStructureType                  type;
+    void* XR_MAY_ALIAS               next;
+    uint32_t                         locationCount;
+    XrSceneComponentLocationMSFT*    locations;
+} XrSceneComponentLocationsMSFT;
+
+typedef struct XrSceneComponentsLocateInfoMSFT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     baseSpace;
+    XrTime                      time;
+    uint32_t                    componentIdCount;
+    const XrUuidMSFT*           componentIds;
+} XrSceneComponentsLocateInfoMSFT;
+
+typedef struct XrSceneObjectMSFT {
+    XrSceneObjectTypeMSFT    objectType;
+} XrSceneObjectMSFT;
+
+// XrSceneObjectsMSFT extends XrSceneComponentsMSFT
+typedef struct XrSceneObjectsMSFT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              sceneObjectCount;
+    XrSceneObjectMSFT*    sceneObjects;
+} XrSceneObjectsMSFT;
+
+// XrSceneComponentParentFilterInfoMSFT extends XrSceneComponentsGetInfoMSFT
+typedef struct XrSceneComponentParentFilterInfoMSFT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrUuidMSFT                  parentId;
+} XrSceneComponentParentFilterInfoMSFT;
+
+// XrSceneObjectTypesFilterInfoMSFT extends XrSceneComponentsGetInfoMSFT
+typedef struct XrSceneObjectTypesFilterInfoMSFT {
+    XrStructureType                 type;
+    const void* XR_MAY_ALIAS        next;
+    uint32_t                        objectTypeCount;
+    const XrSceneObjectTypeMSFT*    objectTypes;
+} XrSceneObjectTypesFilterInfoMSFT;
+
+typedef struct XrScenePlaneMSFT {
+    XrScenePlaneAlignmentTypeMSFT    alignment;
+    XrExtent2Df                      size;
+    uint64_t                         meshBufferId;
+    XrBool32                         supportsIndicesUint16;
+} XrScenePlaneMSFT;
+
+// XrScenePlanesMSFT extends XrSceneComponentsMSFT
+typedef struct XrScenePlanesMSFT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              scenePlaneCount;
+    XrScenePlaneMSFT*     scenePlanes;
+} XrScenePlanesMSFT;
+
+// XrScenePlaneAlignmentFilterInfoMSFT extends XrSceneComponentsGetInfoMSFT
+typedef struct XrScenePlaneAlignmentFilterInfoMSFT {
+    XrStructureType                         type;
+    const void* XR_MAY_ALIAS                next;
+    uint32_t                                alignmentCount;
+    const XrScenePlaneAlignmentTypeMSFT*    alignments;
+} XrScenePlaneAlignmentFilterInfoMSFT;
+
+typedef struct XrSceneMeshMSFT {
+    uint64_t    meshBufferId;
+    XrBool32    supportsIndicesUint16;
+} XrSceneMeshMSFT;
+
+// XrSceneMeshesMSFT extends XrSceneComponentsMSFT
+typedef struct XrSceneMeshesMSFT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              sceneMeshCount;
+    XrSceneMeshMSFT*      sceneMeshes;
+} XrSceneMeshesMSFT;
+
+typedef struct XrSceneMeshBuffersGetInfoMSFT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint64_t                    meshBufferId;
+} XrSceneMeshBuffersGetInfoMSFT;
+
+typedef struct XrSceneMeshBuffersMSFT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+} XrSceneMeshBuffersMSFT;
+
+// XrSceneMeshVertexBufferMSFT extends XrSceneMeshBuffersMSFT
+typedef struct XrSceneMeshVertexBufferMSFT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              vertexCapacityInput;
+    uint32_t              vertexCountOutput;
+    XrVector3f*           vertices;
+} XrSceneMeshVertexBufferMSFT;
+
+// XrSceneMeshIndicesUint32MSFT extends XrSceneMeshBuffersMSFT
+typedef struct XrSceneMeshIndicesUint32MSFT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              indexCapacityInput;
+    uint32_t              indexCountOutput;
+    uint32_t*             indices;
+} XrSceneMeshIndicesUint32MSFT;
+
+// XrSceneMeshIndicesUint16MSFT extends XrSceneMeshBuffersMSFT
+typedef struct XrSceneMeshIndicesUint16MSFT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              indexCapacityInput;
+    uint32_t              indexCountOutput;
+    uint16_t*             indices;
+} XrSceneMeshIndicesUint16MSFT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateSceneComputeFeaturesMSFT)(XrInstance instance, XrSystemId systemId, uint32_t featureCapacityInput, uint32_t* featureCountOutput, XrSceneComputeFeatureMSFT* features);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSceneObserverMSFT)(XrSession session, const XrSceneObserverCreateInfoMSFT* createInfo, XrSceneObserverMSFT* sceneObserver);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroySceneObserverMSFT)(XrSceneObserverMSFT sceneObserver);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSceneMSFT)(XrSceneObserverMSFT sceneObserver, const XrSceneCreateInfoMSFT* createInfo, XrSceneMSFT* scene);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroySceneMSFT)(XrSceneMSFT scene);
+typedef XrResult (XRAPI_PTR *PFN_xrComputeNewSceneMSFT)(XrSceneObserverMSFT sceneObserver, const XrNewSceneComputeInfoMSFT* computeInfo);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSceneComputeStateMSFT)(XrSceneObserverMSFT sceneObserver, XrSceneComputeStateMSFT* state);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSceneComponentsMSFT)(XrSceneMSFT scene, const XrSceneComponentsGetInfoMSFT* getInfo, XrSceneComponentsMSFT* components);
+typedef XrResult (XRAPI_PTR *PFN_xrLocateSceneComponentsMSFT)(XrSceneMSFT scene, const XrSceneComponentsLocateInfoMSFT* locateInfo, XrSceneComponentLocationsMSFT* locations);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSceneMeshBuffersMSFT)(XrSceneMSFT scene, const XrSceneMeshBuffersGetInfoMSFT* getInfo, XrSceneMeshBuffersMSFT* buffers);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateSceneComputeFeaturesMSFT(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    uint32_t                                    featureCapacityInput,
+    uint32_t*                                   featureCountOutput,
+    XrSceneComputeFeatureMSFT*                  features);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSceneObserverMSFT(
+    XrSession                                   session,
+    const XrSceneObserverCreateInfoMSFT*        createInfo,
+    XrSceneObserverMSFT*                        sceneObserver);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroySceneObserverMSFT(
+    XrSceneObserverMSFT                         sceneObserver);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSceneMSFT(
+    XrSceneObserverMSFT                         sceneObserver,
+    const XrSceneCreateInfoMSFT*                createInfo,
+    XrSceneMSFT*                                scene);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroySceneMSFT(
+    XrSceneMSFT                                 scene);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrComputeNewSceneMSFT(
+    XrSceneObserverMSFT                         sceneObserver,
+    const XrNewSceneComputeInfoMSFT*            computeInfo);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSceneComputeStateMSFT(
+    XrSceneObserverMSFT                         sceneObserver,
+    XrSceneComputeStateMSFT*                    state);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSceneComponentsMSFT(
+    XrSceneMSFT                                 scene,
+    const XrSceneComponentsGetInfoMSFT*         getInfo,
+    XrSceneComponentsMSFT*                      components);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrLocateSceneComponentsMSFT(
+    XrSceneMSFT                                 scene,
+    const XrSceneComponentsLocateInfoMSFT*      locateInfo,
+    XrSceneComponentLocationsMSFT*              locations);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSceneMeshBuffersMSFT(
+    XrSceneMSFT                                 scene,
+    const XrSceneMeshBuffersGetInfoMSFT*        getInfo,
+    XrSceneMeshBuffersMSFT*                     buffers);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_MSFT_scene_understanding_serialization is a preprocessor guard. Do not pass it to API calls.
+#define XR_MSFT_scene_understanding_serialization 1
+#define XR_MSFT_scene_understanding_serialization_SPEC_VERSION 2
+#define XR_MSFT_SCENE_UNDERSTANDING_SERIALIZATION_EXTENSION_NAME "XR_MSFT_scene_understanding_serialization"
+typedef struct XrSerializedSceneFragmentDataGetInfoMSFT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrUuidMSFT                  sceneFragmentId;
+} XrSerializedSceneFragmentDataGetInfoMSFT;
+
+typedef struct XrDeserializeSceneFragmentMSFT {
+    uint32_t          bufferSize;
+    const uint8_t*    buffer;
+} XrDeserializeSceneFragmentMSFT;
+
+typedef struct XrSceneDeserializeInfoMSFT {
+    XrStructureType                          type;
+    const void* XR_MAY_ALIAS                 next;
+    uint32_t                                 fragmentCount;
+    const XrDeserializeSceneFragmentMSFT*    fragments;
+} XrSceneDeserializeInfoMSFT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrDeserializeSceneMSFT)(XrSceneObserverMSFT sceneObserver, const XrSceneDeserializeInfoMSFT* deserializeInfo);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSerializedSceneFragmentDataMSFT)(XrSceneMSFT scene, const XrSerializedSceneFragmentDataGetInfoMSFT* getInfo, uint32_t countInput, uint32_t* readOutput, uint8_t* buffer);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrDeserializeSceneMSFT(
+    XrSceneObserverMSFT                         sceneObserver,
+    const XrSceneDeserializeInfoMSFT*           deserializeInfo);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSerializedSceneFragmentDataMSFT(
+    XrSceneMSFT                                 scene,
+    const XrSerializedSceneFragmentDataGetInfoMSFT* getInfo,
+    uint32_t                                    countInput,
+    uint32_t*                                   readOutput,
+    uint8_t*                                    buffer);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_FB_display_refresh_rate is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_display_refresh_rate 1
+#define XR_FB_display_refresh_rate_SPEC_VERSION 1
+#define XR_FB_DISPLAY_REFRESH_RATE_EXTENSION_NAME "XR_FB_display_refresh_rate"
+typedef struct XrEventDataDisplayRefreshRateChangedFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    float                       fromDisplayRefreshRate;
+    float                       toDisplayRefreshRate;
+} XrEventDataDisplayRefreshRateChangedFB;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateDisplayRefreshRatesFB)(XrSession session, uint32_t displayRefreshRateCapacityInput, uint32_t* displayRefreshRateCountOutput, float* displayRefreshRates);
+typedef XrResult (XRAPI_PTR *PFN_xrGetDisplayRefreshRateFB)(XrSession session, float* displayRefreshRate);
+typedef XrResult (XRAPI_PTR *PFN_xrRequestDisplayRefreshRateFB)(XrSession session, float displayRefreshRate);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateDisplayRefreshRatesFB(
+    XrSession                                   session,
+    uint32_t                                    displayRefreshRateCapacityInput,
+    uint32_t*                                   displayRefreshRateCountOutput,
+    float*                                      displayRefreshRates);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetDisplayRefreshRateFB(
+    XrSession                                   session,
+    float*                                      displayRefreshRate);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrRequestDisplayRefreshRateFB(
+    XrSession                                   session,
+    float                                       displayRefreshRate);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_HTC_vive_cosmos_controller_interaction is a preprocessor guard. Do not pass it to API calls.
+#define XR_HTC_vive_cosmos_controller_interaction 1
+#define XR_HTC_vive_cosmos_controller_interaction_SPEC_VERSION 1
+#define XR_HTC_VIVE_COSMOS_CONTROLLER_INTERACTION_EXTENSION_NAME "XR_HTC_vive_cosmos_controller_interaction"
+
+
+// XR_HTCX_vive_tracker_interaction is a preprocessor guard. Do not pass it to API calls.
+#define XR_HTCX_vive_tracker_interaction 1
+#define XR_HTCX_vive_tracker_interaction_SPEC_VERSION 3
+#define XR_HTCX_VIVE_TRACKER_INTERACTION_EXTENSION_NAME "XR_HTCX_vive_tracker_interaction"
+typedef struct XrViveTrackerPathsHTCX {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrPath                persistentPath;
+    XrPath                rolePath;
+} XrViveTrackerPathsHTCX;
+
+typedef struct XrEventDataViveTrackerConnectedHTCX {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrViveTrackerPathsHTCX*     paths;
+} XrEventDataViveTrackerConnectedHTCX;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateViveTrackerPathsHTCX)(XrInstance instance, uint32_t pathCapacityInput, uint32_t* pathCountOutput, XrViveTrackerPathsHTCX* paths);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateViveTrackerPathsHTCX(
+    XrInstance                                  instance,
+    uint32_t                                    pathCapacityInput,
+    uint32_t*                                   pathCountOutput,
+    XrViveTrackerPathsHTCX*                     paths);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_HTC_facial_tracking is a preprocessor guard. Do not pass it to API calls.
+#define XR_HTC_facial_tracking 1
+
+#define XR_FACIAL_EXPRESSION_EYE_COUNT_HTC 14
+
+
+#define XR_FACIAL_EXPRESSION_LIP_COUNT_HTC 37
+
+XR_DEFINE_HANDLE(XrFacialTrackerHTC)
+#define XR_HTC_facial_tracking_SPEC_VERSION 3
+#define XR_HTC_FACIAL_TRACKING_EXTENSION_NAME "XR_HTC_facial_tracking"
+
+typedef enum XrEyeExpressionHTC {
+    XR_EYE_EXPRESSION_LEFT_BLINK_HTC = 0,
+    XR_EYE_EXPRESSION_LEFT_WIDE_HTC = 1,
+    XR_EYE_EXPRESSION_RIGHT_BLINK_HTC = 2,
+    XR_EYE_EXPRESSION_RIGHT_WIDE_HTC = 3,
+    XR_EYE_EXPRESSION_LEFT_SQUEEZE_HTC = 4,
+    XR_EYE_EXPRESSION_RIGHT_SQUEEZE_HTC = 5,
+    XR_EYE_EXPRESSION_LEFT_DOWN_HTC = 6,
+    XR_EYE_EXPRESSION_RIGHT_DOWN_HTC = 7,
+    XR_EYE_EXPRESSION_LEFT_OUT_HTC = 8,
+    XR_EYE_EXPRESSION_RIGHT_IN_HTC = 9,
+    XR_EYE_EXPRESSION_LEFT_IN_HTC = 10,
+    XR_EYE_EXPRESSION_RIGHT_OUT_HTC = 11,
+    XR_EYE_EXPRESSION_LEFT_UP_HTC = 12,
+    XR_EYE_EXPRESSION_RIGHT_UP_HTC = 13,
+    XR_EYE_EXPRESSION_MAX_ENUM_HTC = 0x7FFFFFFF
+} XrEyeExpressionHTC;
+
+typedef enum XrLipExpressionHTC {
+    XR_LIP_EXPRESSION_JAW_RIGHT_HTC = 0,
+    XR_LIP_EXPRESSION_JAW_LEFT_HTC = 1,
+    XR_LIP_EXPRESSION_JAW_FORWARD_HTC = 2,
+    XR_LIP_EXPRESSION_JAW_OPEN_HTC = 3,
+    XR_LIP_EXPRESSION_MOUTH_APE_SHAPE_HTC = 4,
+    XR_LIP_EXPRESSION_MOUTH_UPPER_RIGHT_HTC = 5,
+    XR_LIP_EXPRESSION_MOUTH_UPPER_LEFT_HTC = 6,
+    XR_LIP_EXPRESSION_MOUTH_LOWER_RIGHT_HTC = 7,
+    XR_LIP_EXPRESSION_MOUTH_LOWER_LEFT_HTC = 8,
+    XR_LIP_EXPRESSION_MOUTH_UPPER_OVERTURN_HTC = 9,
+    XR_LIP_EXPRESSION_MOUTH_LOWER_OVERTURN_HTC = 10,
+    XR_LIP_EXPRESSION_MOUTH_POUT_HTC = 11,
+    XR_LIP_EXPRESSION_MOUTH_RAISER_RIGHT_HTC = 12,
+    XR_LIP_EXPRESSION_MOUTH_RAISER_LEFT_HTC = 13,
+    XR_LIP_EXPRESSION_MOUTH_STRETCHER_RIGHT_HTC = 14,
+    XR_LIP_EXPRESSION_MOUTH_STRETCHER_LEFT_HTC = 15,
+    XR_LIP_EXPRESSION_CHEEK_PUFF_RIGHT_HTC = 16,
+    XR_LIP_EXPRESSION_CHEEK_PUFF_LEFT_HTC = 17,
+    XR_LIP_EXPRESSION_CHEEK_SUCK_HTC = 18,
+    XR_LIP_EXPRESSION_MOUTH_UPPER_UPRIGHT_HTC = 19,
+    XR_LIP_EXPRESSION_MOUTH_UPPER_UPLEFT_HTC = 20,
+    XR_LIP_EXPRESSION_MOUTH_LOWER_DOWNRIGHT_HTC = 21,
+    XR_LIP_EXPRESSION_MOUTH_LOWER_DOWNLEFT_HTC = 22,
+    XR_LIP_EXPRESSION_MOUTH_UPPER_INSIDE_HTC = 23,
+    XR_LIP_EXPRESSION_MOUTH_LOWER_INSIDE_HTC = 24,
+    XR_LIP_EXPRESSION_MOUTH_LOWER_OVERLAY_HTC = 25,
+    XR_LIP_EXPRESSION_TONGUE_LONGSTEP1_HTC = 26,
+    XR_LIP_EXPRESSION_TONGUE_LEFT_HTC = 27,
+    XR_LIP_EXPRESSION_TONGUE_RIGHT_HTC = 28,
+    XR_LIP_EXPRESSION_TONGUE_UP_HTC = 29,
+    XR_LIP_EXPRESSION_TONGUE_DOWN_HTC = 30,
+    XR_LIP_EXPRESSION_TONGUE_ROLL_HTC = 31,
+    XR_LIP_EXPRESSION_TONGUE_LONGSTEP2_HTC = 32,
+    XR_LIP_EXPRESSION_TONGUE_UPRIGHT_MORPH_HTC = 33,
+    XR_LIP_EXPRESSION_TONGUE_UPLEFT_MORPH_HTC = 34,
+    XR_LIP_EXPRESSION_TONGUE_DOWNRIGHT_MORPH_HTC = 35,
+    XR_LIP_EXPRESSION_TONGUE_DOWNLEFT_MORPH_HTC = 36,
+    XR_LIP_EXPRESSION_MOUTH_SMILE_RIGHT_HTC = XR_LIP_EXPRESSION_MOUTH_RAISER_RIGHT_HTC,
+    XR_LIP_EXPRESSION_MOUTH_SMILE_LEFT_HTC = XR_LIP_EXPRESSION_MOUTH_RAISER_LEFT_HTC,
+    XR_LIP_EXPRESSION_MOUTH_SAD_RIGHT_HTC = XR_LIP_EXPRESSION_MOUTH_STRETCHER_RIGHT_HTC,
+    XR_LIP_EXPRESSION_MOUTH_SAD_LEFT_HTC = XR_LIP_EXPRESSION_MOUTH_STRETCHER_LEFT_HTC,
+    XR_LIP_EXPRESSION_MAX_ENUM_HTC = 0x7FFFFFFF
+} XrLipExpressionHTC;
+
+typedef enum XrFacialTrackingTypeHTC {
+    XR_FACIAL_TRACKING_TYPE_EYE_DEFAULT_HTC = 1,
+    XR_FACIAL_TRACKING_TYPE_LIP_DEFAULT_HTC = 2,
+    XR_FACIAL_TRACKING_TYPE_MAX_ENUM_HTC = 0x7FFFFFFF
+} XrFacialTrackingTypeHTC;
+// XrSystemFacialTrackingPropertiesHTC extends XrSystemProperties
+typedef struct XrSystemFacialTrackingPropertiesHTC {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportEyeFacialTracking;
+    XrBool32              supportLipFacialTracking;
+} XrSystemFacialTrackingPropertiesHTC;
+
+typedef struct XrFacialExpressionsHTC {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrBool32                    isActive;
+    XrTime                      sampleTime;
+    uint32_t                    expressionCount;
+    float*                      expressionWeightings;
+} XrFacialExpressionsHTC;
+
+typedef struct XrFacialTrackerCreateInfoHTC {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrFacialTrackingTypeHTC     facialTrackingType;
+} XrFacialTrackerCreateInfoHTC;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateFacialTrackerHTC)(XrSession session, const XrFacialTrackerCreateInfoHTC* createInfo, XrFacialTrackerHTC* facialTracker);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyFacialTrackerHTC)(XrFacialTrackerHTC facialTracker);
+typedef XrResult (XRAPI_PTR *PFN_xrGetFacialExpressionsHTC)(XrFacialTrackerHTC facialTracker, XrFacialExpressionsHTC* facialExpressions);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateFacialTrackerHTC(
+    XrSession                                   session,
+    const XrFacialTrackerCreateInfoHTC*         createInfo,
+    XrFacialTrackerHTC*                         facialTracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyFacialTrackerHTC(
+    XrFacialTrackerHTC                          facialTracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetFacialExpressionsHTC(
+    XrFacialTrackerHTC                          facialTracker,
+    XrFacialExpressionsHTC*                     facialExpressions);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_HTC_vive_focus3_controller_interaction is a preprocessor guard. Do not pass it to API calls.
+#define XR_HTC_vive_focus3_controller_interaction 1
+#define XR_HTC_vive_focus3_controller_interaction_SPEC_VERSION 2
+#define XR_HTC_VIVE_FOCUS3_CONTROLLER_INTERACTION_EXTENSION_NAME "XR_HTC_vive_focus3_controller_interaction"
+
+
+// XR_HTC_hand_interaction is a preprocessor guard. Do not pass it to API calls.
+#define XR_HTC_hand_interaction 1
+#define XR_HTC_hand_interaction_SPEC_VERSION 1
+#define XR_HTC_HAND_INTERACTION_EXTENSION_NAME "XR_HTC_hand_interaction"
+
+
+// XR_HTC_vive_wrist_tracker_interaction is a preprocessor guard. Do not pass it to API calls.
+#define XR_HTC_vive_wrist_tracker_interaction 1
+#define XR_HTC_vive_wrist_tracker_interaction_SPEC_VERSION 1
+#define XR_HTC_VIVE_WRIST_TRACKER_INTERACTION_EXTENSION_NAME "XR_HTC_vive_wrist_tracker_interaction"
+
+
+// XR_FB_color_space is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_color_space 1
+#define XR_FB_color_space_SPEC_VERSION    3
+#define XR_FB_COLOR_SPACE_EXTENSION_NAME  "XR_FB_color_space"
+
+typedef enum XrColorSpaceFB {
+    XR_COLOR_SPACE_UNMANAGED_FB = 0,
+    XR_COLOR_SPACE_REC2020_FB = 1,
+    XR_COLOR_SPACE_REC709_FB = 2,
+    XR_COLOR_SPACE_RIFT_CV1_FB = 3,
+    XR_COLOR_SPACE_RIFT_S_FB = 4,
+    XR_COLOR_SPACE_QUEST_FB = 5,
+    XR_COLOR_SPACE_P3_FB = 6,
+    XR_COLOR_SPACE_ADOBE_RGB_FB = 7,
+    XR_COLOR_SPACE_MAX_ENUM_FB = 0x7FFFFFFF
+} XrColorSpaceFB;
+// XrSystemColorSpacePropertiesFB extends XrSystemProperties
+typedef struct XrSystemColorSpacePropertiesFB {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrColorSpaceFB        colorSpace;
+} XrSystemColorSpacePropertiesFB;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateColorSpacesFB)(XrSession session, uint32_t colorSpaceCapacityInput, uint32_t* colorSpaceCountOutput, XrColorSpaceFB* colorSpaces);
+typedef XrResult (XRAPI_PTR *PFN_xrSetColorSpaceFB)(XrSession session, const XrColorSpaceFB colorSpace);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateColorSpacesFB(
+    XrSession                                   session,
+    uint32_t                                    colorSpaceCapacityInput,
+    uint32_t*                                   colorSpaceCountOutput,
+    XrColorSpaceFB*                             colorSpaces);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSetColorSpaceFB(
+    XrSession                                   session,
+    const XrColorSpaceFB                        colorSpace);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_FB_hand_tracking_mesh is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_hand_tracking_mesh 1
+#define XR_FB_hand_tracking_mesh_SPEC_VERSION 3
+#define XR_FB_HAND_TRACKING_MESH_EXTENSION_NAME "XR_FB_hand_tracking_mesh"
+typedef struct XrVector4sFB {
+    int16_t    x;
+    int16_t    y;
+    int16_t    z;
+    int16_t    w;
+} XrVector4sFB;
+
+typedef struct XrHandTrackingMeshFB {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              jointCapacityInput;
+    uint32_t              jointCountOutput;
+    XrPosef*              jointBindPoses;
+    float*                jointRadii;
+    XrHandJointEXT*       jointParents;
+    uint32_t              vertexCapacityInput;
+    uint32_t              vertexCountOutput;
+    XrVector3f*           vertexPositions;
+    XrVector3f*           vertexNormals;
+    XrVector2f*           vertexUVs;
+    XrVector4sFB*         vertexBlendIndices;
+    XrVector4f*           vertexBlendWeights;
+    uint32_t              indexCapacityInput;
+    uint32_t              indexCountOutput;
+    int16_t*              indices;
+} XrHandTrackingMeshFB;
+
+// XrHandTrackingScaleFB extends XrHandJointLocationsEXT
+typedef struct XrHandTrackingScaleFB {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    float                 sensorOutput;
+    float                 currentOutput;
+    XrBool32              overrideHandScale;
+    float                 overrideValueInput;
+} XrHandTrackingScaleFB;
+
+typedef XrResult (XRAPI_PTR *PFN_xrGetHandMeshFB)(XrHandTrackerEXT handTracker, XrHandTrackingMeshFB* mesh);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetHandMeshFB(
+    XrHandTrackerEXT                            handTracker,
+    XrHandTrackingMeshFB*                       mesh);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_FB_hand_tracking_aim is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_hand_tracking_aim 1
+#define XR_FB_hand_tracking_aim_SPEC_VERSION 2
+#define XR_FB_HAND_TRACKING_AIM_EXTENSION_NAME "XR_FB_hand_tracking_aim"
+typedef XrFlags64 XrHandTrackingAimFlagsFB;
+
+// Flag bits for XrHandTrackingAimFlagsFB
+static const XrHandTrackingAimFlagsFB XR_HAND_TRACKING_AIM_COMPUTED_BIT_FB = 0x00000001;
+static const XrHandTrackingAimFlagsFB XR_HAND_TRACKING_AIM_VALID_BIT_FB = 0x00000002;
+static const XrHandTrackingAimFlagsFB XR_HAND_TRACKING_AIM_INDEX_PINCHING_BIT_FB = 0x00000004;
+static const XrHandTrackingAimFlagsFB XR_HAND_TRACKING_AIM_MIDDLE_PINCHING_BIT_FB = 0x00000008;
+static const XrHandTrackingAimFlagsFB XR_HAND_TRACKING_AIM_RING_PINCHING_BIT_FB = 0x00000010;
+static const XrHandTrackingAimFlagsFB XR_HAND_TRACKING_AIM_LITTLE_PINCHING_BIT_FB = 0x00000020;
+static const XrHandTrackingAimFlagsFB XR_HAND_TRACKING_AIM_SYSTEM_GESTURE_BIT_FB = 0x00000040;
+static const XrHandTrackingAimFlagsFB XR_HAND_TRACKING_AIM_DOMINANT_HAND_BIT_FB = 0x00000080;
+static const XrHandTrackingAimFlagsFB XR_HAND_TRACKING_AIM_MENU_PRESSED_BIT_FB = 0x00000100;
+
+// XrHandTrackingAimStateFB extends XrHandJointLocationsEXT
+typedef struct XrHandTrackingAimStateFB {
+    XrStructureType             type;
+    void* XR_MAY_ALIAS          next;
+    XrHandTrackingAimFlagsFB    status;
+    XrPosef                     aimPose;
+    float                       pinchStrengthIndex;
+    float                       pinchStrengthMiddle;
+    float                       pinchStrengthRing;
+    float                       pinchStrengthLittle;
+} XrHandTrackingAimStateFB;
+
+
+
+// XR_FB_hand_tracking_capsules is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_hand_tracking_capsules 1
+#define XR_HAND_TRACKING_CAPSULE_POINT_COUNT_FB 2
+#define XR_HAND_TRACKING_CAPSULE_COUNT_FB 19
+#define XR_FB_hand_tracking_capsules_SPEC_VERSION 3
+#define XR_FB_HAND_TRACKING_CAPSULES_EXTENSION_NAME "XR_FB_hand_tracking_capsules"
+#define XR_FB_HAND_TRACKING_CAPSULE_POINT_COUNT XR_HAND_TRACKING_CAPSULE_POINT_COUNT_FB
+#define XR_FB_HAND_TRACKING_CAPSULE_COUNT XR_HAND_TRACKING_CAPSULE_COUNT_FB
+typedef struct XrHandCapsuleFB {
+    XrVector3f        points[XR_HAND_TRACKING_CAPSULE_POINT_COUNT_FB];
+    float             radius;
+    XrHandJointEXT    joint;
+} XrHandCapsuleFB;
+
+// XrHandTrackingCapsulesStateFB extends XrHandJointLocationsEXT
+typedef struct XrHandTrackingCapsulesStateFB {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrHandCapsuleFB       capsules[XR_HAND_TRACKING_CAPSULE_COUNT_FB];
+} XrHandTrackingCapsulesStateFB;
+
+
+
+// XR_FB_spatial_entity is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_spatial_entity 1
+XR_DEFINE_ATOM(XrAsyncRequestIdFB)
+#define XR_FB_spatial_entity_SPEC_VERSION 3
+#define XR_FB_SPATIAL_ENTITY_EXTENSION_NAME "XR_FB_spatial_entity"
+
+typedef enum XrSpaceComponentTypeFB {
+    XR_SPACE_COMPONENT_TYPE_LOCATABLE_FB = 0,
+    XR_SPACE_COMPONENT_TYPE_STORABLE_FB = 1,
+    XR_SPACE_COMPONENT_TYPE_SHARABLE_FB = 2,
+    XR_SPACE_COMPONENT_TYPE_BOUNDED_2D_FB = 3,
+    XR_SPACE_COMPONENT_TYPE_BOUNDED_3D_FB = 4,
+    XR_SPACE_COMPONENT_TYPE_SEMANTIC_LABELS_FB = 5,
+    XR_SPACE_COMPONENT_TYPE_ROOM_LAYOUT_FB = 6,
+    XR_SPACE_COMPONENT_TYPE_SPACE_CONTAINER_FB = 7,
+    XR_SPACE_COMPONENT_TYPE_TRIANGLE_MESH_META = 1000269000,
+    XR_SPACE_COMPONENT_TYPE_ROOM_MESH_META = 1000553000,
+    XR_SPACE_COMPONENT_TYPE_MAX_ENUM_FB = 0x7FFFFFFF
+} XrSpaceComponentTypeFB;
+// XrSystemSpatialEntityPropertiesFB extends XrSystemProperties
+typedef struct XrSystemSpatialEntityPropertiesFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrBool32                    supportsSpatialEntity;
+} XrSystemSpatialEntityPropertiesFB;
+
+typedef struct XrSpatialAnchorCreateInfoFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     space;
+    XrPosef                     poseInSpace;
+    XrTime                      time;
+} XrSpatialAnchorCreateInfoFB;
+
+typedef struct XrSpaceComponentStatusSetInfoFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpaceComponentTypeFB      componentType;
+    XrBool32                    enabled;
+    XrDuration                  timeout;
+} XrSpaceComponentStatusSetInfoFB;
+
+typedef struct XrSpaceComponentStatusFB {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              enabled;
+    XrBool32              changePending;
+} XrSpaceComponentStatusFB;
+
+typedef XrUuid XrUuidEXT;
+
+typedef struct XrEventDataSpatialAnchorCreateCompleteFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAsyncRequestIdFB          requestId;
+    XrResult                    result;
+    XrSpace                     space;
+    XrUuidEXT                   uuid;
+} XrEventDataSpatialAnchorCreateCompleteFB;
+
+typedef struct XrEventDataSpaceSetStatusCompleteFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAsyncRequestIdFB          requestId;
+    XrResult                    result;
+    XrSpace                     space;
+    XrUuidEXT                   uuid;
+    XrSpaceComponentTypeFB      componentType;
+    XrBool32                    enabled;
+} XrEventDataSpaceSetStatusCompleteFB;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialAnchorFB)(XrSession session, const XrSpatialAnchorCreateInfoFB* info, XrAsyncRequestIdFB* requestId);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpaceUuidFB)(XrSpace space, XrUuidEXT* uuid);
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateSpaceSupportedComponentsFB)(XrSpace space, uint32_t componentTypeCapacityInput, uint32_t* componentTypeCountOutput, XrSpaceComponentTypeFB* componentTypes);
+typedef XrResult (XRAPI_PTR *PFN_xrSetSpaceComponentStatusFB)(XrSpace space, const XrSpaceComponentStatusSetInfoFB* info, XrAsyncRequestIdFB* requestId);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpaceComponentStatusFB)(XrSpace space, XrSpaceComponentTypeFB componentType, XrSpaceComponentStatusFB* status);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialAnchorFB(
+    XrSession                                   session,
+    const XrSpatialAnchorCreateInfoFB*          info,
+    XrAsyncRequestIdFB*                         requestId);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpaceUuidFB(
+    XrSpace                                     space,
+    XrUuidEXT*                                  uuid);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateSpaceSupportedComponentsFB(
+    XrSpace                                     space,
+    uint32_t                                    componentTypeCapacityInput,
+    uint32_t*                                   componentTypeCountOutput,
+    XrSpaceComponentTypeFB*                     componentTypes);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSetSpaceComponentStatusFB(
+    XrSpace                                     space,
+    const XrSpaceComponentStatusSetInfoFB*      info,
+    XrAsyncRequestIdFB*                         requestId);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpaceComponentStatusFB(
+    XrSpace                                     space,
+    XrSpaceComponentTypeFB                      componentType,
+    XrSpaceComponentStatusFB*                   status);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_FB_foveation is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_foveation 1
+XR_DEFINE_HANDLE(XrFoveationProfileFB)
+#define XR_FB_foveation_SPEC_VERSION      1
+#define XR_FB_FOVEATION_EXTENSION_NAME    "XR_FB_foveation"
+typedef XrFlags64 XrSwapchainCreateFoveationFlagsFB;
+
+// Flag bits for XrSwapchainCreateFoveationFlagsFB
+static const XrSwapchainCreateFoveationFlagsFB XR_SWAPCHAIN_CREATE_FOVEATION_SCALED_BIN_BIT_FB = 0x00000001;
+static const XrSwapchainCreateFoveationFlagsFB XR_SWAPCHAIN_CREATE_FOVEATION_FRAGMENT_DENSITY_MAP_BIT_FB = 0x00000002;
+
+typedef XrFlags64 XrSwapchainStateFoveationFlagsFB;
+
+// Flag bits for XrSwapchainStateFoveationFlagsFB
+
+typedef struct XrFoveationProfileCreateInfoFB {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+} XrFoveationProfileCreateInfoFB;
+
+// XrSwapchainCreateInfoFoveationFB extends XrSwapchainCreateInfo
+typedef struct XrSwapchainCreateInfoFoveationFB {
+    XrStructureType                      type;
+    void* XR_MAY_ALIAS                   next;
+    XrSwapchainCreateFoveationFlagsFB    flags;
+} XrSwapchainCreateInfoFoveationFB;
+
+typedef struct XrSwapchainStateFoveationFB {
+    XrStructureType                     type;
+    void* XR_MAY_ALIAS                  next;
+    XrSwapchainStateFoveationFlagsFB    flags;
+    XrFoveationProfileFB                profile;
+} XrSwapchainStateFoveationFB;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateFoveationProfileFB)(XrSession session, const XrFoveationProfileCreateInfoFB* createInfo, XrFoveationProfileFB* profile);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyFoveationProfileFB)(XrFoveationProfileFB profile);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateFoveationProfileFB(
+    XrSession                                   session,
+    const XrFoveationProfileCreateInfoFB*       createInfo,
+    XrFoveationProfileFB*                       profile);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyFoveationProfileFB(
+    XrFoveationProfileFB                        profile);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_FB_foveation_configuration is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_foveation_configuration 1
+#define XR_FB_foveation_configuration_SPEC_VERSION 1
+#define XR_FB_FOVEATION_CONFIGURATION_EXTENSION_NAME "XR_FB_foveation_configuration"
+
+typedef enum XrFoveationLevelFB {
+    XR_FOVEATION_LEVEL_NONE_FB = 0,
+    XR_FOVEATION_LEVEL_LOW_FB = 1,
+    XR_FOVEATION_LEVEL_MEDIUM_FB = 2,
+    XR_FOVEATION_LEVEL_HIGH_FB = 3,
+    XR_FOVEATION_LEVEL_MAX_ENUM_FB = 0x7FFFFFFF
+} XrFoveationLevelFB;
+
+typedef enum XrFoveationDynamicFB {
+    XR_FOVEATION_DYNAMIC_DISABLED_FB = 0,
+    XR_FOVEATION_DYNAMIC_LEVEL_ENABLED_FB = 1,
+    XR_FOVEATION_DYNAMIC_MAX_ENUM_FB = 0x7FFFFFFF
+} XrFoveationDynamicFB;
+// XrFoveationLevelProfileCreateInfoFB extends XrFoveationProfileCreateInfoFB
+typedef struct XrFoveationLevelProfileCreateInfoFB {
+    XrStructureType         type;
+    void* XR_MAY_ALIAS      next;
+    XrFoveationLevelFB      level;
+    float                   verticalOffset;
+    XrFoveationDynamicFB    dynamic;
+} XrFoveationLevelProfileCreateInfoFB;
+
+
+
+// XR_FB_keyboard_tracking is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_keyboard_tracking 1
+#define XR_MAX_KEYBOARD_TRACKING_NAME_SIZE_FB 128
+#define XR_FB_keyboard_tracking_SPEC_VERSION 1
+#define XR_FB_KEYBOARD_TRACKING_EXTENSION_NAME "XR_FB_keyboard_tracking"
+typedef XrFlags64 XrKeyboardTrackingFlagsFB;
+
+// Flag bits for XrKeyboardTrackingFlagsFB
+static const XrKeyboardTrackingFlagsFB XR_KEYBOARD_TRACKING_EXISTS_BIT_FB = 0x00000001;
+static const XrKeyboardTrackingFlagsFB XR_KEYBOARD_TRACKING_LOCAL_BIT_FB = 0x00000002;
+static const XrKeyboardTrackingFlagsFB XR_KEYBOARD_TRACKING_REMOTE_BIT_FB = 0x00000004;
+static const XrKeyboardTrackingFlagsFB XR_KEYBOARD_TRACKING_CONNECTED_BIT_FB = 0x00000008;
+
+typedef XrFlags64 XrKeyboardTrackingQueryFlagsFB;
+
+// Flag bits for XrKeyboardTrackingQueryFlagsFB
+static const XrKeyboardTrackingQueryFlagsFB XR_KEYBOARD_TRACKING_QUERY_LOCAL_BIT_FB = 0x00000002;
+static const XrKeyboardTrackingQueryFlagsFB XR_KEYBOARD_TRACKING_QUERY_REMOTE_BIT_FB = 0x00000004;
+
+// XrSystemKeyboardTrackingPropertiesFB extends XrSystemProperties
+typedef struct XrSystemKeyboardTrackingPropertiesFB {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsKeyboardTracking;
+} XrSystemKeyboardTrackingPropertiesFB;
+
+typedef struct XrKeyboardTrackingDescriptionFB {
+    uint64_t                     trackedKeyboardId;
+    XrVector3f                   size;
+    XrKeyboardTrackingFlagsFB    flags;
+    char                         name[XR_MAX_KEYBOARD_TRACKING_NAME_SIZE_FB];
+} XrKeyboardTrackingDescriptionFB;
+
+typedef struct XrKeyboardSpaceCreateInfoFB {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint64_t              trackedKeyboardId;
+} XrKeyboardSpaceCreateInfoFB;
+
+typedef struct XrKeyboardTrackingQueryFB {
+    XrStructureType                   type;
+    void* XR_MAY_ALIAS                next;
+    XrKeyboardTrackingQueryFlagsFB    flags;
+} XrKeyboardTrackingQueryFB;
+
+typedef XrResult (XRAPI_PTR *PFN_xrQuerySystemTrackedKeyboardFB)(XrSession session, const XrKeyboardTrackingQueryFB* queryInfo, XrKeyboardTrackingDescriptionFB* keyboard);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateKeyboardSpaceFB)(XrSession session, const XrKeyboardSpaceCreateInfoFB* createInfo, XrSpace* keyboardSpace);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrQuerySystemTrackedKeyboardFB(
+    XrSession                                   session,
+    const XrKeyboardTrackingQueryFB*            queryInfo,
+    XrKeyboardTrackingDescriptionFB*            keyboard);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateKeyboardSpaceFB(
+    XrSession                                   session,
+    const XrKeyboardSpaceCreateInfoFB*          createInfo,
+    XrSpace*                                    keyboardSpace);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_FB_triangle_mesh is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_triangle_mesh 1
+XR_DEFINE_HANDLE(XrTriangleMeshFB)
+#define XR_FB_triangle_mesh_SPEC_VERSION  2
+#define XR_FB_TRIANGLE_MESH_EXTENSION_NAME "XR_FB_triangle_mesh"
+
+typedef enum XrWindingOrderFB {
+    XR_WINDING_ORDER_UNKNOWN_FB = 0,
+    XR_WINDING_ORDER_CW_FB = 1,
+    XR_WINDING_ORDER_CCW_FB = 2,
+    XR_WINDING_ORDER_MAX_ENUM_FB = 0x7FFFFFFF
+} XrWindingOrderFB;
+typedef XrFlags64 XrTriangleMeshFlagsFB;
+
+// Flag bits for XrTriangleMeshFlagsFB
+static const XrTriangleMeshFlagsFB XR_TRIANGLE_MESH_MUTABLE_BIT_FB = 0x00000001;
+
+typedef struct XrTriangleMeshCreateInfoFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrTriangleMeshFlagsFB       flags;
+    XrWindingOrderFB            windingOrder;
+    uint32_t                    vertexCount;
+    const XrVector3f*           vertexBuffer;
+    uint32_t                    triangleCount;
+    const uint32_t*             indexBuffer;
+} XrTriangleMeshCreateInfoFB;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateTriangleMeshFB)(XrSession session, const XrTriangleMeshCreateInfoFB* createInfo, XrTriangleMeshFB* outTriangleMesh);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyTriangleMeshFB)(XrTriangleMeshFB mesh);
+typedef XrResult (XRAPI_PTR *PFN_xrTriangleMeshGetVertexBufferFB)(XrTriangleMeshFB mesh, XrVector3f** outVertexBuffer);
+typedef XrResult (XRAPI_PTR *PFN_xrTriangleMeshGetIndexBufferFB)(XrTriangleMeshFB mesh, uint32_t** outIndexBuffer);
+typedef XrResult (XRAPI_PTR *PFN_xrTriangleMeshBeginUpdateFB)(XrTriangleMeshFB mesh);
+typedef XrResult (XRAPI_PTR *PFN_xrTriangleMeshEndUpdateFB)(XrTriangleMeshFB mesh, uint32_t vertexCount, uint32_t triangleCount);
+typedef XrResult (XRAPI_PTR *PFN_xrTriangleMeshBeginVertexBufferUpdateFB)(XrTriangleMeshFB mesh, uint32_t* outVertexCount);
+typedef XrResult (XRAPI_PTR *PFN_xrTriangleMeshEndVertexBufferUpdateFB)(XrTriangleMeshFB mesh);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateTriangleMeshFB(
+    XrSession                                   session,
+    const XrTriangleMeshCreateInfoFB*           createInfo,
+    XrTriangleMeshFB*                           outTriangleMesh);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyTriangleMeshFB(
+    XrTriangleMeshFB                            mesh);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrTriangleMeshGetVertexBufferFB(
+    XrTriangleMeshFB                            mesh,
+    XrVector3f**                                outVertexBuffer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrTriangleMeshGetIndexBufferFB(
+    XrTriangleMeshFB                            mesh,
+    uint32_t**                                  outIndexBuffer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrTriangleMeshBeginUpdateFB(
+    XrTriangleMeshFB                            mesh);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrTriangleMeshEndUpdateFB(
+    XrTriangleMeshFB                            mesh,
+    uint32_t                                    vertexCount,
+    uint32_t                                    triangleCount);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrTriangleMeshBeginVertexBufferUpdateFB(
+    XrTriangleMeshFB                            mesh,
+    uint32_t*                                   outVertexCount);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrTriangleMeshEndVertexBufferUpdateFB(
+    XrTriangleMeshFB                            mesh);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_FB_passthrough is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_passthrough 1
+XR_DEFINE_HANDLE(XrPassthroughFB)
+XR_DEFINE_HANDLE(XrPassthroughLayerFB)
+XR_DEFINE_HANDLE(XrGeometryInstanceFB)
+#define XR_PASSTHROUGH_COLOR_MAP_MONO_SIZE_FB 256
+#define XR_FB_passthrough_SPEC_VERSION    5
+#define XR_FB_PASSTHROUGH_EXTENSION_NAME  "XR_FB_passthrough"
+
+typedef enum XrPassthroughLayerPurposeFB {
+    XR_PASSTHROUGH_LAYER_PURPOSE_RECONSTRUCTION_FB = 0,
+    XR_PASSTHROUGH_LAYER_PURPOSE_PROJECTED_FB = 1,
+    XR_PASSTHROUGH_LAYER_PURPOSE_TRACKED_KEYBOARD_HANDS_FB = 1000203001,
+    XR_PASSTHROUGH_LAYER_PURPOSE_TRACKED_KEYBOARD_MASKED_HANDS_FB = 1000203002,
+    XR_PASSTHROUGH_LAYER_PURPOSE_MAX_ENUM_FB = 0x7FFFFFFF
+} XrPassthroughLayerPurposeFB;
+typedef XrFlags64 XrPassthroughCapabilityFlagsFB;
+
+// Flag bits for XrPassthroughCapabilityFlagsFB
+static const XrPassthroughCapabilityFlagsFB XR_PASSTHROUGH_CAPABILITY_BIT_FB = 0x00000001;
+static const XrPassthroughCapabilityFlagsFB XR_PASSTHROUGH_CAPABILITY_COLOR_BIT_FB = 0x00000002;
+static const XrPassthroughCapabilityFlagsFB XR_PASSTHROUGH_CAPABILITY_LAYER_DEPTH_BIT_FB = 0x00000004;
+
+typedef XrFlags64 XrPassthroughFlagsFB;
+
+// Flag bits for XrPassthroughFlagsFB
+static const XrPassthroughFlagsFB XR_PASSTHROUGH_IS_RUNNING_AT_CREATION_BIT_FB = 0x00000001;
+static const XrPassthroughFlagsFB XR_PASSTHROUGH_LAYER_DEPTH_BIT_FB = 0x00000002;
+
+typedef XrFlags64 XrPassthroughStateChangedFlagsFB;
+
+// Flag bits for XrPassthroughStateChangedFlagsFB
+static const XrPassthroughStateChangedFlagsFB XR_PASSTHROUGH_STATE_CHANGED_REINIT_REQUIRED_BIT_FB = 0x00000001;
+static const XrPassthroughStateChangedFlagsFB XR_PASSTHROUGH_STATE_CHANGED_NON_RECOVERABLE_ERROR_BIT_FB = 0x00000002;
+static const XrPassthroughStateChangedFlagsFB XR_PASSTHROUGH_STATE_CHANGED_RECOVERABLE_ERROR_BIT_FB = 0x00000004;
+static const XrPassthroughStateChangedFlagsFB XR_PASSTHROUGH_STATE_CHANGED_RESTORED_ERROR_BIT_FB = 0x00000008;
+
+// XrSystemPassthroughPropertiesFB extends XrSystemProperties
+typedef struct XrSystemPassthroughPropertiesFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrBool32                    supportsPassthrough;
+} XrSystemPassthroughPropertiesFB;
+
+// XrSystemPassthroughProperties2FB extends XrSystemProperties
+typedef struct XrSystemPassthroughProperties2FB {
+    XrStructureType                   type;
+    const void* XR_MAY_ALIAS          next;
+    XrPassthroughCapabilityFlagsFB    capabilities;
+} XrSystemPassthroughProperties2FB;
+
+typedef struct XrPassthroughCreateInfoFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrPassthroughFlagsFB        flags;
+} XrPassthroughCreateInfoFB;
+
+typedef struct XrPassthroughLayerCreateInfoFB {
+    XrStructureType                type;
+    const void* XR_MAY_ALIAS       next;
+    XrPassthroughFB                passthrough;
+    XrPassthroughFlagsFB           flags;
+    XrPassthroughLayerPurposeFB    purpose;
+} XrPassthroughLayerCreateInfoFB;
+
+typedef struct XrCompositionLayerPassthroughFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrCompositionLayerFlags     flags;
+    XrSpace                     space;
+    XrPassthroughLayerFB        layerHandle;
+} XrCompositionLayerPassthroughFB;
+
+typedef struct XrGeometryInstanceCreateInfoFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrPassthroughLayerFB        layer;
+    XrTriangleMeshFB            mesh;
+    XrSpace                     baseSpace;
+    XrPosef                     pose;
+    XrVector3f                  scale;
+} XrGeometryInstanceCreateInfoFB;
+
+typedef struct XrGeometryInstanceTransformFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     baseSpace;
+    XrTime                      time;
+    XrPosef                     pose;
+    XrVector3f                  scale;
+} XrGeometryInstanceTransformFB;
+
+typedef struct XrPassthroughStyleFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    float                       textureOpacityFactor;
+    XrColor4f                   edgeColor;
+} XrPassthroughStyleFB;
+
+// XrPassthroughColorMapMonoToRgbaFB extends XrPassthroughStyleFB
+typedef struct XrPassthroughColorMapMonoToRgbaFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrColor4f                   textureColorMap[XR_PASSTHROUGH_COLOR_MAP_MONO_SIZE_FB];
+} XrPassthroughColorMapMonoToRgbaFB;
+
+// XrPassthroughColorMapMonoToMonoFB extends XrPassthroughStyleFB
+typedef struct XrPassthroughColorMapMonoToMonoFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint8_t                     textureColorMap[XR_PASSTHROUGH_COLOR_MAP_MONO_SIZE_FB];
+} XrPassthroughColorMapMonoToMonoFB;
+
+// XrPassthroughBrightnessContrastSaturationFB extends XrPassthroughStyleFB
+typedef struct XrPassthroughBrightnessContrastSaturationFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    float                       brightness;
+    float                       contrast;
+    float                       saturation;
+} XrPassthroughBrightnessContrastSaturationFB;
+
+typedef struct XrEventDataPassthroughStateChangedFB {
+    XrStructureType                     type;
+    const void* XR_MAY_ALIAS            next;
+    XrPassthroughStateChangedFlagsFB    flags;
+} XrEventDataPassthroughStateChangedFB;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreatePassthroughFB)(XrSession session, const XrPassthroughCreateInfoFB* createInfo, XrPassthroughFB* outPassthrough);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyPassthroughFB)(XrPassthroughFB passthrough);
+typedef XrResult (XRAPI_PTR *PFN_xrPassthroughStartFB)(XrPassthroughFB passthrough);
+typedef XrResult (XRAPI_PTR *PFN_xrPassthroughPauseFB)(XrPassthroughFB passthrough);
+typedef XrResult (XRAPI_PTR *PFN_xrCreatePassthroughLayerFB)(XrSession session, const XrPassthroughLayerCreateInfoFB* createInfo, XrPassthroughLayerFB* outLayer);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyPassthroughLayerFB)(XrPassthroughLayerFB layer);
+typedef XrResult (XRAPI_PTR *PFN_xrPassthroughLayerPauseFB)(XrPassthroughLayerFB layer);
+typedef XrResult (XRAPI_PTR *PFN_xrPassthroughLayerResumeFB)(XrPassthroughLayerFB layer);
+typedef XrResult (XRAPI_PTR *PFN_xrPassthroughLayerSetStyleFB)(XrPassthroughLayerFB layer, const XrPassthroughStyleFB* style);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateGeometryInstanceFB)(XrSession session, const XrGeometryInstanceCreateInfoFB* createInfo, XrGeometryInstanceFB* outGeometryInstance);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyGeometryInstanceFB)(XrGeometryInstanceFB instance);
+typedef XrResult (XRAPI_PTR *PFN_xrGeometryInstanceSetTransformFB)(XrGeometryInstanceFB instance, const XrGeometryInstanceTransformFB* transformation);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreatePassthroughFB(
+    XrSession                                   session,
+    const XrPassthroughCreateInfoFB*            createInfo,
+    XrPassthroughFB*                            outPassthrough);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyPassthroughFB(
+    XrPassthroughFB                             passthrough);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrPassthroughStartFB(
+    XrPassthroughFB                             passthrough);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrPassthroughPauseFB(
+    XrPassthroughFB                             passthrough);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreatePassthroughLayerFB(
+    XrSession                                   session,
+    const XrPassthroughLayerCreateInfoFB*       createInfo,
+    XrPassthroughLayerFB*                       outLayer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyPassthroughLayerFB(
+    XrPassthroughLayerFB                        layer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrPassthroughLayerPauseFB(
+    XrPassthroughLayerFB                        layer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrPassthroughLayerResumeFB(
+    XrPassthroughLayerFB                        layer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrPassthroughLayerSetStyleFB(
+    XrPassthroughLayerFB                        layer,
+    const XrPassthroughStyleFB*                 style);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateGeometryInstanceFB(
+    XrSession                                   session,
+    const XrGeometryInstanceCreateInfoFB*       createInfo,
+    XrGeometryInstanceFB*                       outGeometryInstance);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyGeometryInstanceFB(
+    XrGeometryInstanceFB                        instance);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGeometryInstanceSetTransformFB(
+    XrGeometryInstanceFB                        instance,
+    const XrGeometryInstanceTransformFB*        transformation);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_FB_render_model is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_render_model 1
+
+#define XR_NULL_RENDER_MODEL_KEY_FB 0
+
+XR_DEFINE_ATOM(XrRenderModelKeyFB)
+#define XR_MAX_RENDER_MODEL_NAME_SIZE_FB  64
+#define XR_FB_render_model_SPEC_VERSION   4
+#define XR_FB_RENDER_MODEL_EXTENSION_NAME "XR_FB_render_model"
+typedef XrFlags64 XrRenderModelFlagsFB;
+
+// Flag bits for XrRenderModelFlagsFB
+static const XrRenderModelFlagsFB XR_RENDER_MODEL_SUPPORTS_GLTF_2_0_SUBSET_1_BIT_FB = 0x00000001;
+static const XrRenderModelFlagsFB XR_RENDER_MODEL_SUPPORTS_GLTF_2_0_SUBSET_2_BIT_FB = 0x00000002;
+
+typedef struct XrRenderModelPathInfoFB {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrPath                path;
+} XrRenderModelPathInfoFB;
+
+typedef struct XrRenderModelPropertiesFB {
+    XrStructureType         type;
+    void* XR_MAY_ALIAS      next;
+    uint32_t                vendorId;
+    char                    modelName[XR_MAX_RENDER_MODEL_NAME_SIZE_FB];
+    XrRenderModelKeyFB      modelKey;
+    uint32_t                modelVersion;
+    XrRenderModelFlagsFB    flags;
+} XrRenderModelPropertiesFB;
+
+typedef struct XrRenderModelBufferFB {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              bufferCapacityInput;
+    uint32_t              bufferCountOutput;
+    uint8_t*              buffer;
+} XrRenderModelBufferFB;
+
+typedef struct XrRenderModelLoadInfoFB {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrRenderModelKeyFB    modelKey;
+} XrRenderModelLoadInfoFB;
+
+// XrSystemRenderModelPropertiesFB extends XrSystemProperties
+typedef struct XrSystemRenderModelPropertiesFB {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsRenderModelLoading;
+} XrSystemRenderModelPropertiesFB;
+
+// XrRenderModelCapabilitiesRequestFB extends XrRenderModelPropertiesFB
+typedef struct XrRenderModelCapabilitiesRequestFB {
+    XrStructureType         type;
+    void* XR_MAY_ALIAS      next;
+    XrRenderModelFlagsFB    flags;
+} XrRenderModelCapabilitiesRequestFB;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateRenderModelPathsFB)(XrSession session, uint32_t pathCapacityInput, uint32_t* pathCountOutput, XrRenderModelPathInfoFB* paths);
+typedef XrResult (XRAPI_PTR *PFN_xrGetRenderModelPropertiesFB)(XrSession session, XrPath path, XrRenderModelPropertiesFB* properties);
+typedef XrResult (XRAPI_PTR *PFN_xrLoadRenderModelFB)(XrSession session, const XrRenderModelLoadInfoFB* info, XrRenderModelBufferFB* buffer);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateRenderModelPathsFB(
+    XrSession                                   session,
+    uint32_t                                    pathCapacityInput,
+    uint32_t*                                   pathCountOutput,
+    XrRenderModelPathInfoFB*                    paths);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetRenderModelPropertiesFB(
+    XrSession                                   session,
+    XrPath                                      path,
+    XrRenderModelPropertiesFB*                  properties);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrLoadRenderModelFB(
+    XrSession                                   session,
+    const XrRenderModelLoadInfoFB*              info,
+    XrRenderModelBufferFB*                      buffer);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_VARJO_foveated_rendering is a preprocessor guard. Do not pass it to API calls.
+#define XR_VARJO_foveated_rendering 1
+#define XR_VARJO_foveated_rendering_SPEC_VERSION 3
+#define XR_VARJO_FOVEATED_RENDERING_EXTENSION_NAME "XR_VARJO_foveated_rendering"
+// XrViewLocateFoveatedRenderingVARJO extends XrViewLocateInfo
+typedef struct XrViewLocateFoveatedRenderingVARJO {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrBool32                    foveatedRenderingActive;
+} XrViewLocateFoveatedRenderingVARJO;
+
+// XrFoveatedViewConfigurationViewVARJO extends XrViewConfigurationView
+typedef struct XrFoveatedViewConfigurationViewVARJO {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              foveatedRenderingActive;
+} XrFoveatedViewConfigurationViewVARJO;
+
+// XrSystemFoveatedRenderingPropertiesVARJO extends XrSystemProperties
+typedef struct XrSystemFoveatedRenderingPropertiesVARJO {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsFoveatedRendering;
+} XrSystemFoveatedRenderingPropertiesVARJO;
+
+
+
+// XR_VARJO_composition_layer_depth_test is a preprocessor guard. Do not pass it to API calls.
+#define XR_VARJO_composition_layer_depth_test 1
+#define XR_VARJO_composition_layer_depth_test_SPEC_VERSION 2
+#define XR_VARJO_COMPOSITION_LAYER_DEPTH_TEST_EXTENSION_NAME "XR_VARJO_composition_layer_depth_test"
+// XrCompositionLayerDepthTestVARJO extends XrCompositionLayerProjection
+typedef struct XrCompositionLayerDepthTestVARJO {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    float                       depthTestRangeNearZ;
+    float                       depthTestRangeFarZ;
+} XrCompositionLayerDepthTestVARJO;
+
+
+
+// XR_VARJO_environment_depth_estimation is a preprocessor guard. Do not pass it to API calls.
+#define XR_VARJO_environment_depth_estimation 1
+#define XR_VARJO_environment_depth_estimation_SPEC_VERSION 1
+#define XR_VARJO_ENVIRONMENT_DEPTH_ESTIMATION_EXTENSION_NAME "XR_VARJO_environment_depth_estimation"
+typedef XrResult (XRAPI_PTR *PFN_xrSetEnvironmentDepthEstimationVARJO)(XrSession session, XrBool32 enabled);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrSetEnvironmentDepthEstimationVARJO(
+    XrSession                                   session,
+    XrBool32                                    enabled);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_VARJO_marker_tracking is a preprocessor guard. Do not pass it to API calls.
+#define XR_VARJO_marker_tracking 1
+#define XR_VARJO_marker_tracking_SPEC_VERSION 1
+#define XR_VARJO_MARKER_TRACKING_EXTENSION_NAME "XR_VARJO_marker_tracking"
+// XrSystemMarkerTrackingPropertiesVARJO extends XrSystemProperties
+typedef struct XrSystemMarkerTrackingPropertiesVARJO {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsMarkerTracking;
+} XrSystemMarkerTrackingPropertiesVARJO;
+
+typedef struct XrEventDataMarkerTrackingUpdateVARJO {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint64_t                    markerId;
+    XrBool32                    isActive;
+    XrBool32                    isPredicted;
+    XrTime                      time;
+} XrEventDataMarkerTrackingUpdateVARJO;
+
+typedef struct XrMarkerSpaceCreateInfoVARJO {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint64_t                    markerId;
+    XrPosef                     poseInMarkerSpace;
+} XrMarkerSpaceCreateInfoVARJO;
+
+typedef XrResult (XRAPI_PTR *PFN_xrSetMarkerTrackingVARJO)(XrSession session, XrBool32 enabled);
+typedef XrResult (XRAPI_PTR *PFN_xrSetMarkerTrackingTimeoutVARJO)(XrSession session, uint64_t markerId, XrDuration timeout);
+typedef XrResult (XRAPI_PTR *PFN_xrSetMarkerTrackingPredictionVARJO)(XrSession session, uint64_t markerId, XrBool32 enable);
+typedef XrResult (XRAPI_PTR *PFN_xrGetMarkerSizeVARJO)(XrSession session, uint64_t markerId, XrExtent2Df* size);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateMarkerSpaceVARJO)(XrSession session, const XrMarkerSpaceCreateInfoVARJO* createInfo, XrSpace* space);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrSetMarkerTrackingVARJO(
+    XrSession                                   session,
+    XrBool32                                    enabled);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSetMarkerTrackingTimeoutVARJO(
+    XrSession                                   session,
+    uint64_t                                    markerId,
+    XrDuration                                  timeout);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSetMarkerTrackingPredictionVARJO(
+    XrSession                                   session,
+    uint64_t                                    markerId,
+    XrBool32                                    enable);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetMarkerSizeVARJO(
+    XrSession                                   session,
+    uint64_t                                    markerId,
+    XrExtent2Df*                                size);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateMarkerSpaceVARJO(
+    XrSession                                   session,
+    const XrMarkerSpaceCreateInfoVARJO*         createInfo,
+    XrSpace*                                    space);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_VARJO_view_offset is a preprocessor guard. Do not pass it to API calls.
+#define XR_VARJO_view_offset 1
+#define XR_VARJO_view_offset_SPEC_VERSION 1
+#define XR_VARJO_VIEW_OFFSET_EXTENSION_NAME "XR_VARJO_view_offset"
+typedef XrResult (XRAPI_PTR *PFN_xrSetViewOffsetVARJO)(XrSession session, float offset);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrSetViewOffsetVARJO(
+    XrSession                                   session,
+    float                                       offset);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_VARJO_xr4_controller_interaction is a preprocessor guard. Do not pass it to API calls.
+#define XR_VARJO_xr4_controller_interaction 1
+#define XR_VARJO_xr4_controller_interaction_SPEC_VERSION 2
+#define XR_VARJO_XR4_CONTROLLER_INTERACTION_EXTENSION_NAME "XR_VARJO_xr4_controller_interaction"
+
+
+// XR_ML_ml2_controller_interaction is a preprocessor guard. Do not pass it to API calls.
+#define XR_ML_ml2_controller_interaction 1
+#define XR_ML_ml2_controller_interaction_SPEC_VERSION 1
+#define XR_ML_ML2_CONTROLLER_INTERACTION_EXTENSION_NAME "XR_ML_ml2_controller_interaction"
+
+
+// XR_ML_frame_end_info is a preprocessor guard. Do not pass it to API calls.
+#define XR_ML_frame_end_info 1
+#define XR_ML_frame_end_info_SPEC_VERSION 1
+#define XR_ML_FRAME_END_INFO_EXTENSION_NAME "XR_ML_frame_end_info"
+typedef XrFlags64 XrFrameEndInfoFlagsML;
+
+// Flag bits for XrFrameEndInfoFlagsML
+static const XrFrameEndInfoFlagsML XR_FRAME_END_INFO_PROTECTED_BIT_ML = 0x00000001;
+static const XrFrameEndInfoFlagsML XR_FRAME_END_INFO_VIGNETTE_BIT_ML = 0x00000002;
+
+// XrFrameEndInfoML extends XrFrameEndInfo
+typedef struct XrFrameEndInfoML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    float                       focusDistance;
+    XrFrameEndInfoFlagsML       flags;
+} XrFrameEndInfoML;
+
+
+
+// XR_ML_global_dimmer is a preprocessor guard. Do not pass it to API calls.
+#define XR_ML_global_dimmer 1
+#define XR_ML_global_dimmer_SPEC_VERSION  1
+#define XR_ML_GLOBAL_DIMMER_EXTENSION_NAME "XR_ML_global_dimmer"
+typedef XrFlags64 XrGlobalDimmerFrameEndInfoFlagsML;
+
+// Flag bits for XrGlobalDimmerFrameEndInfoFlagsML
+static const XrGlobalDimmerFrameEndInfoFlagsML XR_GLOBAL_DIMMER_FRAME_END_INFO_ENABLED_BIT_ML = 0x00000001;
+
+// XrGlobalDimmerFrameEndInfoML extends XrFrameEndInfo
+typedef struct XrGlobalDimmerFrameEndInfoML {
+    XrStructureType                      type;
+    const void* XR_MAY_ALIAS             next;
+    float                                dimmerValue;
+    XrGlobalDimmerFrameEndInfoFlagsML    flags;
+} XrGlobalDimmerFrameEndInfoML;
+
+
+
+// XR_ML_marker_understanding is a preprocessor guard. Do not pass it to API calls.
+#define XR_ML_marker_understanding 1
+XR_DEFINE_ATOM(XrMarkerML)
+XR_DEFINE_HANDLE(XrMarkerDetectorML)
+#define XR_ML_marker_understanding_SPEC_VERSION 1
+#define XR_ML_MARKER_UNDERSTANDING_EXTENSION_NAME "XR_ML_marker_understanding"
+
+typedef enum XrMarkerDetectorProfileML {
+    XR_MARKER_DETECTOR_PROFILE_DEFAULT_ML = 0,
+    XR_MARKER_DETECTOR_PROFILE_SPEED_ML = 1,
+    XR_MARKER_DETECTOR_PROFILE_ACCURACY_ML = 2,
+    XR_MARKER_DETECTOR_PROFILE_SMALL_TARGETS_ML = 3,
+    XR_MARKER_DETECTOR_PROFILE_LARGE_FOV_ML = 4,
+    XR_MARKER_DETECTOR_PROFILE_CUSTOM_ML = 5,
+    XR_MARKER_DETECTOR_PROFILE_MAX_ENUM_ML = 0x7FFFFFFF
+} XrMarkerDetectorProfileML;
+
+typedef enum XrMarkerTypeML {
+    XR_MARKER_TYPE_ARUCO_ML = 0,
+    XR_MARKER_TYPE_APRIL_TAG_ML = 1,
+    XR_MARKER_TYPE_QR_ML = 2,
+    XR_MARKER_TYPE_EAN_13_ML = 3,
+    XR_MARKER_TYPE_UPC_A_ML = 4,
+    XR_MARKER_TYPE_CODE_128_ML = 5,
+    XR_MARKER_TYPE_MAX_ENUM_ML = 0x7FFFFFFF
+} XrMarkerTypeML;
+
+typedef enum XrMarkerArucoDictML {
+    XR_MARKER_ARUCO_DICT_4X4_50_ML = 0,
+    XR_MARKER_ARUCO_DICT_4X4_100_ML = 1,
+    XR_MARKER_ARUCO_DICT_4X4_250_ML = 2,
+    XR_MARKER_ARUCO_DICT_4X4_1000_ML = 3,
+    XR_MARKER_ARUCO_DICT_5X5_50_ML = 4,
+    XR_MARKER_ARUCO_DICT_5X5_100_ML = 5,
+    XR_MARKER_ARUCO_DICT_5X5_250_ML = 6,
+    XR_MARKER_ARUCO_DICT_5X5_1000_ML = 7,
+    XR_MARKER_ARUCO_DICT_6X6_50_ML = 8,
+    XR_MARKER_ARUCO_DICT_6X6_100_ML = 9,
+    XR_MARKER_ARUCO_DICT_6X6_250_ML = 10,
+    XR_MARKER_ARUCO_DICT_6X6_1000_ML = 11,
+    XR_MARKER_ARUCO_DICT_7X7_50_ML = 12,
+    XR_MARKER_ARUCO_DICT_7X7_100_ML = 13,
+    XR_MARKER_ARUCO_DICT_7X7_250_ML = 14,
+    XR_MARKER_ARUCO_DICT_7X7_1000_ML = 15,
+    XR_MARKER_ARUCO_DICT_MAX_ENUM_ML = 0x7FFFFFFF
+} XrMarkerArucoDictML;
+
+typedef enum XrMarkerAprilTagDictML {
+    XR_MARKER_APRIL_TAG_DICT_16H5_ML = 0,
+    XR_MARKER_APRIL_TAG_DICT_25H9_ML = 1,
+    XR_MARKER_APRIL_TAG_DICT_36H10_ML = 2,
+    XR_MARKER_APRIL_TAG_DICT_36H11_ML = 3,
+    XR_MARKER_APRIL_TAG_DICT_MAX_ENUM_ML = 0x7FFFFFFF
+} XrMarkerAprilTagDictML;
+
+typedef enum XrMarkerDetectorFpsML {
+    XR_MARKER_DETECTOR_FPS_LOW_ML = 0,
+    XR_MARKER_DETECTOR_FPS_MEDIUM_ML = 1,
+    XR_MARKER_DETECTOR_FPS_HIGH_ML = 2,
+    XR_MARKER_DETECTOR_FPS_MAX_ML = 3,
+    XR_MARKER_DETECTOR_FPS_MAX_ENUM_ML = 0x7FFFFFFF
+} XrMarkerDetectorFpsML;
+
+typedef enum XrMarkerDetectorResolutionML {
+    XR_MARKER_DETECTOR_RESOLUTION_LOW_ML = 0,
+    XR_MARKER_DETECTOR_RESOLUTION_MEDIUM_ML = 1,
+    XR_MARKER_DETECTOR_RESOLUTION_HIGH_ML = 2,
+    XR_MARKER_DETECTOR_RESOLUTION_MAX_ENUM_ML = 0x7FFFFFFF
+} XrMarkerDetectorResolutionML;
+
+typedef enum XrMarkerDetectorCameraML {
+    XR_MARKER_DETECTOR_CAMERA_RGB_CAMERA_ML = 0,
+    XR_MARKER_DETECTOR_CAMERA_WORLD_CAMERAS_ML = 1,
+    XR_MARKER_DETECTOR_CAMERA_MAX_ENUM_ML = 0x7FFFFFFF
+} XrMarkerDetectorCameraML;
+
+typedef enum XrMarkerDetectorCornerRefineMethodML {
+    XR_MARKER_DETECTOR_CORNER_REFINE_METHOD_NONE_ML = 0,
+    XR_MARKER_DETECTOR_CORNER_REFINE_METHOD_SUBPIX_ML = 1,
+    XR_MARKER_DETECTOR_CORNER_REFINE_METHOD_CONTOUR_ML = 2,
+    XR_MARKER_DETECTOR_CORNER_REFINE_METHOD_APRIL_TAG_ML = 3,
+    XR_MARKER_DETECTOR_CORNER_REFINE_METHOD_MAX_ENUM_ML = 0x7FFFFFFF
+} XrMarkerDetectorCornerRefineMethodML;
+
+typedef enum XrMarkerDetectorFullAnalysisIntervalML {
+    XR_MARKER_DETECTOR_FULL_ANALYSIS_INTERVAL_MAX_ML = 0,
+    XR_MARKER_DETECTOR_FULL_ANALYSIS_INTERVAL_FAST_ML = 1,
+    XR_MARKER_DETECTOR_FULL_ANALYSIS_INTERVAL_MEDIUM_ML = 2,
+    XR_MARKER_DETECTOR_FULL_ANALYSIS_INTERVAL_SLOW_ML = 3,
+    XR_MARKER_DETECTOR_FULL_ANALYSIS_INTERVAL_MAX_ENUM_ML = 0x7FFFFFFF
+} XrMarkerDetectorFullAnalysisIntervalML;
+
+typedef enum XrMarkerDetectorStatusML {
+    XR_MARKER_DETECTOR_STATUS_PENDING_ML = 0,
+    XR_MARKER_DETECTOR_STATUS_READY_ML = 1,
+    XR_MARKER_DETECTOR_STATUS_ERROR_ML = 2,
+    XR_MARKER_DETECTOR_STATUS_MAX_ENUM_ML = 0x7FFFFFFF
+} XrMarkerDetectorStatusML;
+// XrSystemMarkerUnderstandingPropertiesML extends XrSystemProperties
+typedef struct XrSystemMarkerUnderstandingPropertiesML {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsMarkerUnderstanding;
+} XrSystemMarkerUnderstandingPropertiesML;
+
+typedef struct XrMarkerDetectorCreateInfoML {
+    XrStructureType              type;
+    const void* XR_MAY_ALIAS     next;
+    XrMarkerDetectorProfileML    profile;
+    XrMarkerTypeML               markerType;
+} XrMarkerDetectorCreateInfoML;
+
+// XrMarkerDetectorArucoInfoML extends XrMarkerDetectorCreateInfoML
+typedef struct XrMarkerDetectorArucoInfoML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrMarkerArucoDictML         arucoDict;
+} XrMarkerDetectorArucoInfoML;
+
+// XrMarkerDetectorSizeInfoML extends XrMarkerDetectorCreateInfoML
+typedef struct XrMarkerDetectorSizeInfoML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    float                       markerLength;
+} XrMarkerDetectorSizeInfoML;
+
+// XrMarkerDetectorAprilTagInfoML extends XrMarkerDetectorCreateInfoML
+typedef struct XrMarkerDetectorAprilTagInfoML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrMarkerAprilTagDictML      aprilTagDict;
+} XrMarkerDetectorAprilTagInfoML;
+
+// XrMarkerDetectorCustomProfileInfoML extends XrMarkerDetectorCreateInfoML
+typedef struct XrMarkerDetectorCustomProfileInfoML {
+    XrStructureType                           type;
+    const void* XR_MAY_ALIAS                  next;
+    XrMarkerDetectorFpsML                     fpsHint;
+    XrMarkerDetectorResolutionML              resolutionHint;
+    XrMarkerDetectorCameraML                  cameraHint;
+    XrMarkerDetectorCornerRefineMethodML      cornerRefineMethod;
+    XrBool32                                  useEdgeRefinement;
+    XrMarkerDetectorFullAnalysisIntervalML    fullAnalysisIntervalHint;
+} XrMarkerDetectorCustomProfileInfoML;
+
+typedef struct XrMarkerDetectorSnapshotInfoML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrMarkerDetectorSnapshotInfoML;
+
+typedef struct XrMarkerDetectorStateML {
+    XrStructureType             type;
+    void* XR_MAY_ALIAS          next;
+    XrMarkerDetectorStatusML    state;
+} XrMarkerDetectorStateML;
+
+typedef struct XrMarkerSpaceCreateInfoML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrMarkerDetectorML          markerDetector;
+    XrMarkerML                  marker;
+    XrPosef                     poseInMarkerSpace;
+} XrMarkerSpaceCreateInfoML;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateMarkerDetectorML)(XrSession session, const XrMarkerDetectorCreateInfoML* createInfo, XrMarkerDetectorML* markerDetector);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyMarkerDetectorML)(XrMarkerDetectorML markerDetector);
+typedef XrResult (XRAPI_PTR *PFN_xrSnapshotMarkerDetectorML)(XrMarkerDetectorML markerDetector, XrMarkerDetectorSnapshotInfoML* snapshotInfo);
+typedef XrResult (XRAPI_PTR *PFN_xrGetMarkerDetectorStateML)(XrMarkerDetectorML markerDetector, XrMarkerDetectorStateML* state);
+typedef XrResult (XRAPI_PTR *PFN_xrGetMarkersML)(XrMarkerDetectorML markerDetector, uint32_t markerCapacityInput, uint32_t* markerCountOutput, XrMarkerML* markers);
+typedef XrResult (XRAPI_PTR *PFN_xrGetMarkerReprojectionErrorML)(XrMarkerDetectorML markerDetector, XrMarkerML marker, float* reprojectionErrorMeters);
+typedef XrResult (XRAPI_PTR *PFN_xrGetMarkerLengthML)(XrMarkerDetectorML markerDetector, XrMarkerML marker, float* meters);
+typedef XrResult (XRAPI_PTR *PFN_xrGetMarkerNumberML)(XrMarkerDetectorML markerDetector, XrMarkerML marker, uint64_t* number);
+typedef XrResult (XRAPI_PTR *PFN_xrGetMarkerStringML)(XrMarkerDetectorML markerDetector, XrMarkerML marker, uint32_t bufferCapacityInput, uint32_t* bufferCountOutput, char* buffer);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateMarkerSpaceML)(XrSession session, const XrMarkerSpaceCreateInfoML* createInfo, XrSpace* space);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateMarkerDetectorML(
+    XrSession                                   session,
+    const XrMarkerDetectorCreateInfoML*         createInfo,
+    XrMarkerDetectorML*                         markerDetector);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyMarkerDetectorML(
+    XrMarkerDetectorML                          markerDetector);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSnapshotMarkerDetectorML(
+    XrMarkerDetectorML                          markerDetector,
+    XrMarkerDetectorSnapshotInfoML*             snapshotInfo);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetMarkerDetectorStateML(
+    XrMarkerDetectorML                          markerDetector,
+    XrMarkerDetectorStateML*                    state);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetMarkersML(
+    XrMarkerDetectorML                          markerDetector,
+    uint32_t                                    markerCapacityInput,
+    uint32_t*                                   markerCountOutput,
+    XrMarkerML*                                 markers);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetMarkerReprojectionErrorML(
+    XrMarkerDetectorML                          markerDetector,
+    XrMarkerML                                  marker,
+    float*                                      reprojectionErrorMeters);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetMarkerLengthML(
+    XrMarkerDetectorML                          markerDetector,
+    XrMarkerML                                  marker,
+    float*                                      meters);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetMarkerNumberML(
+    XrMarkerDetectorML                          markerDetector,
+    XrMarkerML                                  marker,
+    uint64_t*                                   number);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetMarkerStringML(
+    XrMarkerDetectorML                          markerDetector,
+    XrMarkerML                                  marker,
+    uint32_t                                    bufferCapacityInput,
+    uint32_t*                                   bufferCountOutput,
+    char*                                       buffer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateMarkerSpaceML(
+    XrSession                                   session,
+    const XrMarkerSpaceCreateInfoML*            createInfo,
+    XrSpace*                                    space);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ML_localization_map is a preprocessor guard. Do not pass it to API calls.
+#define XR_ML_localization_map 1
+XR_DEFINE_HANDLE(XrExportedLocalizationMapML)
+#define XR_MAX_LOCALIZATION_MAP_NAME_LENGTH_ML 64
+#define XR_ML_localization_map_SPEC_VERSION 1
+#define XR_ML_LOCALIZATION_MAP_EXTENSION_NAME "XR_ML_localization_map"
+
+typedef enum XrLocalizationMapStateML {
+    XR_LOCALIZATION_MAP_STATE_NOT_LOCALIZED_ML = 0,
+    XR_LOCALIZATION_MAP_STATE_LOCALIZED_ML = 1,
+    XR_LOCALIZATION_MAP_STATE_LOCALIZATION_PENDING_ML = 2,
+    XR_LOCALIZATION_MAP_STATE_LOCALIZATION_SLEEPING_BEFORE_RETRY_ML = 3,
+    XR_LOCALIZATION_MAP_STATE_MAX_ENUM_ML = 0x7FFFFFFF
+} XrLocalizationMapStateML;
+
+typedef enum XrLocalizationMapTypeML {
+    XR_LOCALIZATION_MAP_TYPE_ON_DEVICE_ML = 0,
+    XR_LOCALIZATION_MAP_TYPE_CLOUD_ML = 1,
+    XR_LOCALIZATION_MAP_TYPE_MAX_ENUM_ML = 0x7FFFFFFF
+} XrLocalizationMapTypeML;
+
+typedef enum XrLocalizationMapConfidenceML {
+    XR_LOCALIZATION_MAP_CONFIDENCE_POOR_ML = 0,
+    XR_LOCALIZATION_MAP_CONFIDENCE_FAIR_ML = 1,
+    XR_LOCALIZATION_MAP_CONFIDENCE_GOOD_ML = 2,
+    XR_LOCALIZATION_MAP_CONFIDENCE_EXCELLENT_ML = 3,
+    XR_LOCALIZATION_MAP_CONFIDENCE_MAX_ENUM_ML = 0x7FFFFFFF
+} XrLocalizationMapConfidenceML;
+typedef XrFlags64 XrLocalizationMapErrorFlagsML;
+
+// Flag bits for XrLocalizationMapErrorFlagsML
+static const XrLocalizationMapErrorFlagsML XR_LOCALIZATION_MAP_ERROR_UNKNOWN_BIT_ML = 0x00000001;
+static const XrLocalizationMapErrorFlagsML XR_LOCALIZATION_MAP_ERROR_OUT_OF_MAPPED_AREA_BIT_ML = 0x00000002;
+static const XrLocalizationMapErrorFlagsML XR_LOCALIZATION_MAP_ERROR_LOW_FEATURE_COUNT_BIT_ML = 0x00000004;
+static const XrLocalizationMapErrorFlagsML XR_LOCALIZATION_MAP_ERROR_EXCESSIVE_MOTION_BIT_ML = 0x00000008;
+static const XrLocalizationMapErrorFlagsML XR_LOCALIZATION_MAP_ERROR_LOW_LIGHT_BIT_ML = 0x00000010;
+static const XrLocalizationMapErrorFlagsML XR_LOCALIZATION_MAP_ERROR_HEADPOSE_BIT_ML = 0x00000020;
+
+typedef struct XrLocalizationMapML {
+    XrStructureType            type;
+    void* XR_MAY_ALIAS         next;
+    char                       name[XR_MAX_LOCALIZATION_MAP_NAME_LENGTH_ML];
+    XrUuidEXT                  mapUuid;
+    XrLocalizationMapTypeML    mapType;
+} XrLocalizationMapML;
+
+typedef struct XrEventDataLocalizationChangedML {
+     XrStructureType                 type;
+    const void* XR_MAY_ALIAS         next;
+    XrSession                        session;
+    XrLocalizationMapStateML         state;
+    XrLocalizationMapML              map;
+    XrLocalizationMapConfidenceML    confidence;
+    XrLocalizationMapErrorFlagsML    errorFlags;
+} XrEventDataLocalizationChangedML;
+
+typedef struct XrLocalizationMapQueryInfoBaseHeaderML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrLocalizationMapQueryInfoBaseHeaderML;
+
+typedef struct XrMapLocalizationRequestInfoML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrUuidEXT                   mapUuid;
+} XrMapLocalizationRequestInfoML;
+
+typedef struct XrLocalizationMapImportInfoML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    size;
+    char*                       data;
+} XrLocalizationMapImportInfoML;
+
+typedef struct XrLocalizationEnableEventsInfoML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrBool32                    enabled;
+} XrLocalizationEnableEventsInfoML;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnableLocalizationEventsML)(XrSession session, const XrLocalizationEnableEventsInfoML * info);
+typedef XrResult (XRAPI_PTR *PFN_xrQueryLocalizationMapsML)(XrSession session, const XrLocalizationMapQueryInfoBaseHeaderML* queryInfo, uint32_t mapCapacityInput, uint32_t * mapCountOutput, XrLocalizationMapML* maps);
+typedef XrResult (XRAPI_PTR *PFN_xrRequestMapLocalizationML)(XrSession session, const XrMapLocalizationRequestInfoML* requestInfo);
+typedef XrResult (XRAPI_PTR *PFN_xrImportLocalizationMapML)(XrSession session, const XrLocalizationMapImportInfoML* importInfo, XrUuidEXT* mapUuid);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateExportedLocalizationMapML)(XrSession session, const XrUuidEXT* mapUuid, XrExportedLocalizationMapML* map);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyExportedLocalizationMapML)(XrExportedLocalizationMapML map);
+typedef XrResult (XRAPI_PTR *PFN_xrGetExportedLocalizationMapDataML)(XrExportedLocalizationMapML map, uint32_t bufferCapacityInput, uint32_t* bufferCountOutput, char* buffer);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnableLocalizationEventsML(
+    XrSession                                   session,
+    const XrLocalizationEnableEventsInfoML *    info);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrQueryLocalizationMapsML(
+    XrSession                                   session,
+    const XrLocalizationMapQueryInfoBaseHeaderML* queryInfo,
+    uint32_t                                    mapCapacityInput,
+    uint32_t *                                  mapCountOutput,
+    XrLocalizationMapML*                        maps);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrRequestMapLocalizationML(
+    XrSession                                   session,
+    const XrMapLocalizationRequestInfoML*       requestInfo);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrImportLocalizationMapML(
+    XrSession                                   session,
+    const XrLocalizationMapImportInfoML*        importInfo,
+    XrUuidEXT*                                  mapUuid);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateExportedLocalizationMapML(
+    XrSession                                   session,
+    const XrUuidEXT*                            mapUuid,
+    XrExportedLocalizationMapML*                map);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyExportedLocalizationMapML(
+    XrExportedLocalizationMapML                 map);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetExportedLocalizationMapDataML(
+    XrExportedLocalizationMapML                 map,
+    uint32_t                                    bufferCapacityInput,
+    uint32_t*                                   bufferCountOutput,
+    char*                                       buffer);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ML_spatial_anchors is a preprocessor guard. Do not pass it to API calls.
+#define XR_ML_spatial_anchors 1
+XR_DEFINE_OPAQUE_64(XrFutureEXT)
+#define XR_ML_spatial_anchors_SPEC_VERSION 1
+#define XR_ML_SPATIAL_ANCHORS_EXTENSION_NAME "XR_ML_spatial_anchors"
+
+typedef enum XrSpatialAnchorConfidenceML {
+    XR_SPATIAL_ANCHOR_CONFIDENCE_LOW_ML = 0,
+    XR_SPATIAL_ANCHOR_CONFIDENCE_MEDIUM_ML = 1,
+    XR_SPATIAL_ANCHOR_CONFIDENCE_HIGH_ML = 2,
+    XR_SPATIAL_ANCHOR_CONFIDENCE_MAX_ENUM_ML = 0x7FFFFFFF
+} XrSpatialAnchorConfidenceML;
+typedef struct XR_MAY_ALIAS XrSpatialAnchorsCreateInfoBaseHeaderML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrSpatialAnchorsCreateInfoBaseHeaderML;
+
+typedef struct XrSpatialAnchorsCreateInfoFromPoseML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     baseSpace;
+    XrPosef                     poseInBaseSpace;
+    XrTime                      time;
+} XrSpatialAnchorsCreateInfoFromPoseML;
+
+typedef struct XrCreateSpatialAnchorsCompletionML {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrResult              futureResult;
+    uint32_t              spaceCount;
+    XrSpace*              spaces;
+} XrCreateSpatialAnchorsCompletionML;
+
+typedef struct XrSpatialAnchorStateML {
+    XrStructureType                type;
+    void* XR_MAY_ALIAS             next;
+    XrSpatialAnchorConfidenceML    confidence;
+} XrSpatialAnchorStateML;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialAnchorsAsyncML)(XrSession session, const XrSpatialAnchorsCreateInfoBaseHeaderML* createInfo, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialAnchorsCompleteML)(XrSession session, XrFutureEXT future, XrCreateSpatialAnchorsCompletionML* completion);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpatialAnchorStateML)(XrSpace anchor, XrSpatialAnchorStateML* state);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialAnchorsAsyncML(
+    XrSession                                   session,
+    const XrSpatialAnchorsCreateInfoBaseHeaderML* createInfo,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialAnchorsCompleteML(
+    XrSession                                   session,
+    XrFutureEXT                                 future,
+    XrCreateSpatialAnchorsCompletionML*         completion);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpatialAnchorStateML(
+    XrSpace                                     anchor,
+    XrSpatialAnchorStateML*                     state);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ML_spatial_anchors_storage is a preprocessor guard. Do not pass it to API calls.
+#define XR_ML_spatial_anchors_storage 1
+XR_DEFINE_HANDLE(XrSpatialAnchorsStorageML)
+#define XR_ML_spatial_anchors_storage_SPEC_VERSION 1
+#define XR_ML_SPATIAL_ANCHORS_STORAGE_EXTENSION_NAME "XR_ML_spatial_anchors_storage"
+typedef struct XrSpatialAnchorsCreateStorageInfoML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrSpatialAnchorsCreateStorageInfoML;
+
+typedef struct XR_MAY_ALIAS XrSpatialAnchorsQueryInfoBaseHeaderML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrSpatialAnchorsQueryInfoBaseHeaderML;
+
+typedef struct XrSpatialAnchorsQueryInfoRadiusML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     baseSpace;
+    XrVector3f                  center;
+    XrTime                      time;
+    float                       radius;
+} XrSpatialAnchorsQueryInfoRadiusML;
+
+typedef struct XrSpatialAnchorsQueryCompletionML {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrResult              futureResult;
+    uint32_t              uuidCapacityInput;
+    uint32_t              uuidCountOutput;
+    XrUuidEXT*            uuids;
+} XrSpatialAnchorsQueryCompletionML;
+
+typedef struct XrSpatialAnchorsCreateInfoFromUuidsML {
+    XrStructureType              type;
+    const void* XR_MAY_ALIAS     next;
+    XrSpatialAnchorsStorageML    storage;
+    uint32_t                     uuidCount;
+    const XrUuidEXT*             uuids;
+} XrSpatialAnchorsCreateInfoFromUuidsML;
+
+typedef struct XrSpatialAnchorsPublishInfoML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    anchorCount;
+    const XrSpace*              anchors;
+    uint64_t                    expiration;
+} XrSpatialAnchorsPublishInfoML;
+
+typedef struct XrSpatialAnchorsPublishCompletionML {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrResult              futureResult;
+    uint32_t              uuidCount;
+    XrUuidEXT*            uuids;
+} XrSpatialAnchorsPublishCompletionML;
+
+typedef struct XrSpatialAnchorsDeleteInfoML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    uuidCount;
+    const XrUuidEXT*            uuids;
+} XrSpatialAnchorsDeleteInfoML;
+
+typedef struct XrSpatialAnchorsDeleteCompletionML {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrResult              futureResult;
+} XrSpatialAnchorsDeleteCompletionML;
+
+typedef struct XrSpatialAnchorsUpdateExpirationInfoML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    uuidCount;
+    const XrUuidEXT*            uuids;
+    uint64_t                    expiration;
+} XrSpatialAnchorsUpdateExpirationInfoML;
+
+typedef struct XrSpatialAnchorsUpdateExpirationCompletionML {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrResult              futureResult;
+} XrSpatialAnchorsUpdateExpirationCompletionML;
+
+typedef struct XrSpatialAnchorCompletionResultML {
+    XrUuidEXT    uuid;
+    XrResult     result;
+} XrSpatialAnchorCompletionResultML;
+
+// XrSpatialAnchorsPublishCompletionDetailsML extends XrSpatialAnchorsPublishCompletionML
+typedef struct XrSpatialAnchorsPublishCompletionDetailsML {
+    XrStructureType                       type;
+    void* XR_MAY_ALIAS                    next;
+    uint32_t                              resultCount;
+    XrSpatialAnchorCompletionResultML*    results;
+} XrSpatialAnchorsPublishCompletionDetailsML;
+
+// XrSpatialAnchorsDeleteCompletionDetailsML extends XrSpatialAnchorsDeleteCompletionML
+typedef struct XrSpatialAnchorsDeleteCompletionDetailsML {
+    XrStructureType                       type;
+    void* XR_MAY_ALIAS                    next;
+    uint32_t                              resultCount;
+    XrSpatialAnchorCompletionResultML*    results;
+} XrSpatialAnchorsDeleteCompletionDetailsML;
+
+// XrSpatialAnchorsUpdateExpirationCompletionDetailsML extends XrSpatialAnchorsUpdateExpirationCompletionML
+typedef struct XrSpatialAnchorsUpdateExpirationCompletionDetailsML {
+    XrStructureType                       type;
+    void* XR_MAY_ALIAS                    next;
+    uint32_t                              resultCount;
+    XrSpatialAnchorCompletionResultML*    results;
+} XrSpatialAnchorsUpdateExpirationCompletionDetailsML;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialAnchorsStorageML)(XrSession session, const XrSpatialAnchorsCreateStorageInfoML* createInfo, XrSpatialAnchorsStorageML* storage);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroySpatialAnchorsStorageML)(XrSpatialAnchorsStorageML storage);
+typedef XrResult (XRAPI_PTR *PFN_xrQuerySpatialAnchorsAsyncML)(XrSpatialAnchorsStorageML storage, const XrSpatialAnchorsQueryInfoBaseHeaderML* queryInfo, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrQuerySpatialAnchorsCompleteML)(XrSpatialAnchorsStorageML storage, XrFutureEXT future, XrSpatialAnchorsQueryCompletionML* completion);
+typedef XrResult (XRAPI_PTR *PFN_xrPublishSpatialAnchorsAsyncML)(XrSpatialAnchorsStorageML storage, const XrSpatialAnchorsPublishInfoML* publishInfo, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrPublishSpatialAnchorsCompleteML)(XrSpatialAnchorsStorageML storage, XrFutureEXT future, XrSpatialAnchorsPublishCompletionML* completion);
+typedef XrResult (XRAPI_PTR *PFN_xrDeleteSpatialAnchorsAsyncML)(XrSpatialAnchorsStorageML storage, const XrSpatialAnchorsDeleteInfoML* deleteInfo, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrDeleteSpatialAnchorsCompleteML)(XrSpatialAnchorsStorageML storage, XrFutureEXT future, XrSpatialAnchorsDeleteCompletionML* completion);
+typedef XrResult (XRAPI_PTR *PFN_xrUpdateSpatialAnchorsExpirationAsyncML)(XrSpatialAnchorsStorageML storage, const XrSpatialAnchorsUpdateExpirationInfoML* updateInfo, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrUpdateSpatialAnchorsExpirationCompleteML)(XrSpatialAnchorsStorageML storage, XrFutureEXT future, XrSpatialAnchorsUpdateExpirationCompletionML* completion);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialAnchorsStorageML(
+    XrSession                                   session,
+    const XrSpatialAnchorsCreateStorageInfoML*  createInfo,
+    XrSpatialAnchorsStorageML*                  storage);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroySpatialAnchorsStorageML(
+    XrSpatialAnchorsStorageML                   storage);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrQuerySpatialAnchorsAsyncML(
+    XrSpatialAnchorsStorageML                   storage,
+    const XrSpatialAnchorsQueryInfoBaseHeaderML* queryInfo,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrQuerySpatialAnchorsCompleteML(
+    XrSpatialAnchorsStorageML                   storage,
+    XrFutureEXT                                 future,
+    XrSpatialAnchorsQueryCompletionML*          completion);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrPublishSpatialAnchorsAsyncML(
+    XrSpatialAnchorsStorageML                   storage,
+    const XrSpatialAnchorsPublishInfoML*        publishInfo,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrPublishSpatialAnchorsCompleteML(
+    XrSpatialAnchorsStorageML                   storage,
+    XrFutureEXT                                 future,
+    XrSpatialAnchorsPublishCompletionML*        completion);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDeleteSpatialAnchorsAsyncML(
+    XrSpatialAnchorsStorageML                   storage,
+    const XrSpatialAnchorsDeleteInfoML*         deleteInfo,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDeleteSpatialAnchorsCompleteML(
+    XrSpatialAnchorsStorageML                   storage,
+    XrFutureEXT                                 future,
+    XrSpatialAnchorsDeleteCompletionML*         completion);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrUpdateSpatialAnchorsExpirationAsyncML(
+    XrSpatialAnchorsStorageML                   storage,
+    const XrSpatialAnchorsUpdateExpirationInfoML* updateInfo,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrUpdateSpatialAnchorsExpirationCompleteML(
+    XrSpatialAnchorsStorageML                   storage,
+    XrFutureEXT                                 future,
+    XrSpatialAnchorsUpdateExpirationCompletionML* completion);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_MSFT_spatial_anchor_persistence is a preprocessor guard. Do not pass it to API calls.
+#define XR_MSFT_spatial_anchor_persistence 1
+XR_DEFINE_HANDLE(XrSpatialAnchorStoreConnectionMSFT)
+#define XR_MAX_SPATIAL_ANCHOR_NAME_SIZE_MSFT 256
+#define XR_MSFT_spatial_anchor_persistence_SPEC_VERSION 2
+#define XR_MSFT_SPATIAL_ANCHOR_PERSISTENCE_EXTENSION_NAME "XR_MSFT_spatial_anchor_persistence"
+typedef struct XrSpatialAnchorPersistenceNameMSFT {
+    char    name[XR_MAX_SPATIAL_ANCHOR_NAME_SIZE_MSFT];
+} XrSpatialAnchorPersistenceNameMSFT;
+
+typedef struct XrSpatialAnchorPersistenceInfoMSFT {
+    XrStructureType                       type;
+    const void* XR_MAY_ALIAS              next;
+    XrSpatialAnchorPersistenceNameMSFT    spatialAnchorPersistenceName;
+    XrSpatialAnchorMSFT                   spatialAnchor;
+} XrSpatialAnchorPersistenceInfoMSFT;
+
+typedef struct XrSpatialAnchorFromPersistedAnchorCreateInfoMSFT {
+    XrStructureType                       type;
+    const void* XR_MAY_ALIAS              next;
+    XrSpatialAnchorStoreConnectionMSFT    spatialAnchorStore;
+    XrSpatialAnchorPersistenceNameMSFT    spatialAnchorPersistenceName;
+} XrSpatialAnchorFromPersistedAnchorCreateInfoMSFT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialAnchorStoreConnectionMSFT)(XrSession session, XrSpatialAnchorStoreConnectionMSFT* spatialAnchorStore);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroySpatialAnchorStoreConnectionMSFT)(XrSpatialAnchorStoreConnectionMSFT spatialAnchorStore);
+typedef XrResult (XRAPI_PTR *PFN_xrPersistSpatialAnchorMSFT)(XrSpatialAnchorStoreConnectionMSFT spatialAnchorStore, const XrSpatialAnchorPersistenceInfoMSFT* spatialAnchorPersistenceInfo);
+typedef XrResult (XRAPI_PTR *PFN_xrEnumeratePersistedSpatialAnchorNamesMSFT)(XrSpatialAnchorStoreConnectionMSFT spatialAnchorStore, uint32_t spatialAnchorNameCapacityInput, uint32_t* spatialAnchorNameCountOutput, XrSpatialAnchorPersistenceNameMSFT* spatialAnchorNames);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialAnchorFromPersistedNameMSFT)(XrSession session, const XrSpatialAnchorFromPersistedAnchorCreateInfoMSFT* spatialAnchorCreateInfo, XrSpatialAnchorMSFT* spatialAnchor);
+typedef XrResult (XRAPI_PTR *PFN_xrUnpersistSpatialAnchorMSFT)(XrSpatialAnchorStoreConnectionMSFT spatialAnchorStore, const XrSpatialAnchorPersistenceNameMSFT* spatialAnchorPersistenceName);
+typedef XrResult (XRAPI_PTR *PFN_xrClearSpatialAnchorStoreMSFT)(XrSpatialAnchorStoreConnectionMSFT spatialAnchorStore);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialAnchorStoreConnectionMSFT(
+    XrSession                                   session,
+    XrSpatialAnchorStoreConnectionMSFT*         spatialAnchorStore);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroySpatialAnchorStoreConnectionMSFT(
+    XrSpatialAnchorStoreConnectionMSFT          spatialAnchorStore);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrPersistSpatialAnchorMSFT(
+    XrSpatialAnchorStoreConnectionMSFT          spatialAnchorStore,
+    const XrSpatialAnchorPersistenceInfoMSFT*   spatialAnchorPersistenceInfo);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumeratePersistedSpatialAnchorNamesMSFT(
+    XrSpatialAnchorStoreConnectionMSFT          spatialAnchorStore,
+    uint32_t                                    spatialAnchorNameCapacityInput,
+    uint32_t*                                   spatialAnchorNameCountOutput,
+    XrSpatialAnchorPersistenceNameMSFT*         spatialAnchorNames);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialAnchorFromPersistedNameMSFT(
+    XrSession                                   session,
+    const XrSpatialAnchorFromPersistedAnchorCreateInfoMSFT* spatialAnchorCreateInfo,
+    XrSpatialAnchorMSFT*                        spatialAnchor);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrUnpersistSpatialAnchorMSFT(
+    XrSpatialAnchorStoreConnectionMSFT          spatialAnchorStore,
+    const XrSpatialAnchorPersistenceNameMSFT*   spatialAnchorPersistenceName);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrClearSpatialAnchorStoreMSFT(
+    XrSpatialAnchorStoreConnectionMSFT          spatialAnchorStore);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_MSFT_scene_marker is a preprocessor guard. Do not pass it to API calls.
+#define XR_MSFT_scene_marker 1
+#define XR_MSFT_scene_marker_SPEC_VERSION 1
+#define XR_MSFT_SCENE_MARKER_EXTENSION_NAME "XR_MSFT_scene_marker"
+
+typedef enum XrSceneMarkerTypeMSFT {
+    XR_SCENE_MARKER_TYPE_QR_CODE_MSFT = 1,
+    XR_SCENE_MARKER_TYPE_MAX_ENUM_MSFT = 0x7FFFFFFF
+} XrSceneMarkerTypeMSFT;
+
+typedef enum XrSceneMarkerQRCodeSymbolTypeMSFT {
+    XR_SCENE_MARKER_QR_CODE_SYMBOL_TYPE_QR_CODE_MSFT = 1,
+    XR_SCENE_MARKER_QR_CODE_SYMBOL_TYPE_MICRO_QR_CODE_MSFT = 2,
+    XR_SCENE_MARKER_QRCODE_SYMBOL_TYPE_MAX_ENUM_MSFT = 0x7FFFFFFF
+} XrSceneMarkerQRCodeSymbolTypeMSFT;
+typedef struct XrSceneMarkerMSFT {
+    XrSceneMarkerTypeMSFT    markerType;
+    XrTime                   lastSeenTime;
+    XrOffset2Df              center;
+    XrExtent2Df              size;
+} XrSceneMarkerMSFT;
+
+// XrSceneMarkersMSFT extends XrSceneComponentsMSFT
+typedef struct XrSceneMarkersMSFT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    sceneMarkerCapacityInput;
+    XrSceneMarkerMSFT*          sceneMarkers;
+} XrSceneMarkersMSFT;
+
+// XrSceneMarkerTypeFilterMSFT extends XrSceneComponentsGetInfoMSFT
+typedef struct XrSceneMarkerTypeFilterMSFT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    markerTypeCount;
+    XrSceneMarkerTypeMSFT*      markerTypes;
+} XrSceneMarkerTypeFilterMSFT;
+
+typedef struct XrSceneMarkerQRCodeMSFT {
+    XrSceneMarkerQRCodeSymbolTypeMSFT    symbolType;
+    uint8_t                              version;
+} XrSceneMarkerQRCodeMSFT;
+
+// XrSceneMarkerQRCodesMSFT extends XrSceneComponentsMSFT
+typedef struct XrSceneMarkerQRCodesMSFT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    qrCodeCapacityInput;
+    XrSceneMarkerQRCodeMSFT*    qrCodes;
+} XrSceneMarkerQRCodesMSFT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrGetSceneMarkerRawDataMSFT)(XrSceneMSFT scene, const XrUuidMSFT* markerId, uint32_t bufferCapacityInput, uint32_t* bufferCountOutput, uint8_t* buffer);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSceneMarkerDecodedStringMSFT)(XrSceneMSFT scene, const XrUuidMSFT* markerId, uint32_t bufferCapacityInput, uint32_t* bufferCountOutput, char* buffer);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSceneMarkerRawDataMSFT(
+    XrSceneMSFT                                 scene,
+    const XrUuidMSFT*                           markerId,
+    uint32_t                                    bufferCapacityInput,
+    uint32_t*                                   bufferCountOutput,
+    uint8_t*                                    buffer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSceneMarkerDecodedStringMSFT(
+    XrSceneMSFT                                 scene,
+    const XrUuidMSFT*                           markerId,
+    uint32_t                                    bufferCapacityInput,
+    uint32_t*                                   bufferCountOutput,
+    char*                                       buffer);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ULTRALEAP_hand_tracking_forearm is a preprocessor guard. Do not pass it to API calls.
+#define XR_ULTRALEAP_hand_tracking_forearm 1
+
+#define XR_HAND_FOREARM_JOINT_COUNT_ULTRALEAP 27
+
+#define XR_ULTRALEAP_hand_tracking_forearm_SPEC_VERSION 1
+#define XR_ULTRALEAP_HAND_TRACKING_FOREARM_EXTENSION_NAME "XR_ULTRALEAP_hand_tracking_forearm"
+
+typedef enum XrHandForearmJointULTRALEAP {
+    XR_HAND_FOREARM_JOINT_PALM_ULTRALEAP = 0,
+    XR_HAND_FOREARM_JOINT_WRIST_ULTRALEAP = 1,
+    XR_HAND_FOREARM_JOINT_THUMB_METACARPAL_ULTRALEAP = 2,
+    XR_HAND_FOREARM_JOINT_THUMB_PROXIMAL_ULTRALEAP = 3,
+    XR_HAND_FOREARM_JOINT_THUMB_DISTAL_ULTRALEAP = 4,
+    XR_HAND_FOREARM_JOINT_THUMB_TIP_ULTRALEAP = 5,
+    XR_HAND_FOREARM_JOINT_INDEX_METACARPAL_ULTRALEAP = 6,
+    XR_HAND_FOREARM_JOINT_INDEX_PROXIMAL_ULTRALEAP = 7,
+    XR_HAND_FOREARM_JOINT_INDEX_INTERMEDIATE_ULTRALEAP = 8,
+    XR_HAND_FOREARM_JOINT_INDEX_DISTAL_ULTRALEAP = 9,
+    XR_HAND_FOREARM_JOINT_INDEX_TIP_ULTRALEAP = 10,
+    XR_HAND_FOREARM_JOINT_MIDDLE_METACARPAL_ULTRALEAP = 11,
+    XR_HAND_FOREARM_JOINT_MIDDLE_PROXIMAL_ULTRALEAP = 12,
+    XR_HAND_FOREARM_JOINT_MIDDLE_INTERMEDIATE_ULTRALEAP = 13,
+    XR_HAND_FOREARM_JOINT_MIDDLE_DISTAL_ULTRALEAP = 14,
+    XR_HAND_FOREARM_JOINT_MIDDLE_TIP_ULTRALEAP = 15,
+    XR_HAND_FOREARM_JOINT_RING_METACARPAL_ULTRALEAP = 16,
+    XR_HAND_FOREARM_JOINT_RING_PROXIMAL_ULTRALEAP = 17,
+    XR_HAND_FOREARM_JOINT_RING_INTERMEDIATE_ULTRALEAP = 18,
+    XR_HAND_FOREARM_JOINT_RING_DISTAL_ULTRALEAP = 19,
+    XR_HAND_FOREARM_JOINT_RING_TIP_ULTRALEAP = 20,
+    XR_HAND_FOREARM_JOINT_LITTLE_METACARPAL_ULTRALEAP = 21,
+    XR_HAND_FOREARM_JOINT_LITTLE_PROXIMAL_ULTRALEAP = 22,
+    XR_HAND_FOREARM_JOINT_LITTLE_INTERMEDIATE_ULTRALEAP = 23,
+    XR_HAND_FOREARM_JOINT_LITTLE_DISTAL_ULTRALEAP = 24,
+    XR_HAND_FOREARM_JOINT_LITTLE_TIP_ULTRALEAP = 25,
+    XR_HAND_FOREARM_JOINT_ELBOW_ULTRALEAP = 26,
+    XR_HAND_FOREARM_JOINT_MAX_ENUM_ULTRALEAP = 0x7FFFFFFF
+} XrHandForearmJointULTRALEAP;
+
+
+// XR_FB_spatial_entity_query is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_spatial_entity_query 1
+#define XR_FB_spatial_entity_query_SPEC_VERSION 1
+#define XR_FB_SPATIAL_ENTITY_QUERY_EXTENSION_NAME "XR_FB_spatial_entity_query"
+
+typedef enum XrSpaceQueryActionFB {
+    XR_SPACE_QUERY_ACTION_LOAD_FB = 0,
+    XR_SPACE_QUERY_ACTION_MAX_ENUM_FB = 0x7FFFFFFF
+} XrSpaceQueryActionFB;
+
+typedef enum XrSpaceStorageLocationFB {
+    XR_SPACE_STORAGE_LOCATION_INVALID_FB = 0,
+    XR_SPACE_STORAGE_LOCATION_LOCAL_FB = 1,
+    XR_SPACE_STORAGE_LOCATION_CLOUD_FB = 2,
+    XR_SPACE_STORAGE_LOCATION_MAX_ENUM_FB = 0x7FFFFFFF
+} XrSpaceStorageLocationFB;
+typedef struct XR_MAY_ALIAS XrSpaceQueryInfoBaseHeaderFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrSpaceQueryInfoBaseHeaderFB;
+
+typedef struct XR_MAY_ALIAS XrSpaceFilterInfoBaseHeaderFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrSpaceFilterInfoBaseHeaderFB;
+
+typedef struct XrSpaceQueryInfoFB {
+    XrStructureType                         type;
+    const void* XR_MAY_ALIAS                next;
+    XrSpaceQueryActionFB                    queryAction;
+    uint32_t                                maxResultCount;
+    XrDuration                              timeout;
+    const XrSpaceFilterInfoBaseHeaderFB*    filter;
+    const XrSpaceFilterInfoBaseHeaderFB*    excludeFilter;
+} XrSpaceQueryInfoFB;
+
+// XrSpaceStorageLocationFilterInfoFB extends XrSpaceFilterInfoBaseHeaderFB
+typedef struct XrSpaceStorageLocationFilterInfoFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpaceStorageLocationFB    location;
+} XrSpaceStorageLocationFilterInfoFB;
+
+typedef struct XrSpaceUuidFilterInfoFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    uuidCount;
+    XrUuidEXT*                  uuids;
+} XrSpaceUuidFilterInfoFB;
+
+typedef struct XrSpaceComponentFilterInfoFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpaceComponentTypeFB      componentType;
+} XrSpaceComponentFilterInfoFB;
+
+typedef struct XrSpaceQueryResultFB {
+    XrSpace      space;
+    XrUuidEXT    uuid;
+} XrSpaceQueryResultFB;
+
+typedef struct XrSpaceQueryResultsFB {
+    XrStructureType          type;
+    void* XR_MAY_ALIAS       next;
+    uint32_t                 resultCapacityInput;
+    uint32_t                 resultCountOutput;
+    XrSpaceQueryResultFB*    results;
+} XrSpaceQueryResultsFB;
+
+typedef struct XrEventDataSpaceQueryResultsAvailableFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAsyncRequestIdFB          requestId;
+} XrEventDataSpaceQueryResultsAvailableFB;
+
+typedef struct XrEventDataSpaceQueryCompleteFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAsyncRequestIdFB          requestId;
+    XrResult                    result;
+} XrEventDataSpaceQueryCompleteFB;
+
+typedef XrResult (XRAPI_PTR *PFN_xrQuerySpacesFB)(XrSession session, const XrSpaceQueryInfoBaseHeaderFB* info, XrAsyncRequestIdFB* requestId);
+typedef XrResult (XRAPI_PTR *PFN_xrRetrieveSpaceQueryResultsFB)(XrSession session, XrAsyncRequestIdFB requestId, XrSpaceQueryResultsFB* results);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrQuerySpacesFB(
+    XrSession                                   session,
+    const XrSpaceQueryInfoBaseHeaderFB*         info,
+    XrAsyncRequestIdFB*                         requestId);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrRetrieveSpaceQueryResultsFB(
+    XrSession                                   session,
+    XrAsyncRequestIdFB                          requestId,
+    XrSpaceQueryResultsFB*                      results);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_FB_spatial_entity_storage is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_spatial_entity_storage 1
+#define XR_FB_spatial_entity_storage_SPEC_VERSION 1
+#define XR_FB_SPATIAL_ENTITY_STORAGE_EXTENSION_NAME "XR_FB_spatial_entity_storage"
+
+typedef enum XrSpacePersistenceModeFB {
+    XR_SPACE_PERSISTENCE_MODE_INVALID_FB = 0,
+    XR_SPACE_PERSISTENCE_MODE_INDEFINITE_FB = 1,
+    XR_SPACE_PERSISTENCE_MODE_MAX_ENUM_FB = 0x7FFFFFFF
+} XrSpacePersistenceModeFB;
+typedef struct XrSpaceSaveInfoFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     space;
+    XrSpaceStorageLocationFB    location;
+    XrSpacePersistenceModeFB    persistenceMode;
+} XrSpaceSaveInfoFB;
+
+typedef struct XrSpaceEraseInfoFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     space;
+    XrSpaceStorageLocationFB    location;
+} XrSpaceEraseInfoFB;
+
+typedef struct XrEventDataSpaceSaveCompleteFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAsyncRequestIdFB          requestId;
+    XrResult                    result;
+    XrSpace                     space;
+    XrUuidEXT                   uuid;
+    XrSpaceStorageLocationFB    location;
+} XrEventDataSpaceSaveCompleteFB;
+
+typedef struct XrEventDataSpaceEraseCompleteFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAsyncRequestIdFB          requestId;
+    XrResult                    result;
+    XrSpace                     space;
+    XrUuidEXT                   uuid;
+    XrSpaceStorageLocationFB    location;
+} XrEventDataSpaceEraseCompleteFB;
+
+typedef XrResult (XRAPI_PTR *PFN_xrSaveSpaceFB)(XrSession session, const XrSpaceSaveInfoFB* info, XrAsyncRequestIdFB* requestId);
+typedef XrResult (XRAPI_PTR *PFN_xrEraseSpaceFB)(XrSession session, const XrSpaceEraseInfoFB* info, XrAsyncRequestIdFB* requestId);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrSaveSpaceFB(
+    XrSession                                   session,
+    const XrSpaceSaveInfoFB*                    info,
+    XrAsyncRequestIdFB*                         requestId);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEraseSpaceFB(
+    XrSession                                   session,
+    const XrSpaceEraseInfoFB*                   info,
+    XrAsyncRequestIdFB*                         requestId);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_FB_touch_controller_pro is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_touch_controller_pro 1
+#define XR_FB_touch_controller_pro_SPEC_VERSION 1
+#define XR_FB_TOUCH_CONTROLLER_PRO_EXTENSION_NAME "XR_FB_touch_controller_pro"
+
+
+// XR_FB_spatial_entity_sharing is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_spatial_entity_sharing 1
+XR_DEFINE_HANDLE(XrSpaceUserFB)
+#define XR_FB_spatial_entity_sharing_SPEC_VERSION 1
+#define XR_FB_SPATIAL_ENTITY_SHARING_EXTENSION_NAME "XR_FB_spatial_entity_sharing"
+typedef struct XrSpaceShareInfoFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    spaceCount;
+    XrSpace*                    spaces;
+    uint32_t                    userCount;
+    XrSpaceUserFB*              users;
+} XrSpaceShareInfoFB;
+
+typedef struct XrEventDataSpaceShareCompleteFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAsyncRequestIdFB          requestId;
+    XrResult                    result;
+} XrEventDataSpaceShareCompleteFB;
+
+typedef XrResult (XRAPI_PTR *PFN_xrShareSpacesFB)(XrSession session, const XrSpaceShareInfoFB* info, XrAsyncRequestIdFB* requestId);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrShareSpacesFB(
+    XrSession                                   session,
+    const XrSpaceShareInfoFB*                   info,
+    XrAsyncRequestIdFB*                         requestId);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_FB_space_warp is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_space_warp 1
+#define XR_FB_space_warp_SPEC_VERSION     2
+#define XR_FB_SPACE_WARP_EXTENSION_NAME   "XR_FB_space_warp"
+typedef XrFlags64 XrCompositionLayerSpaceWarpInfoFlagsFB;
+
+// Flag bits for XrCompositionLayerSpaceWarpInfoFlagsFB
+static const XrCompositionLayerSpaceWarpInfoFlagsFB XR_COMPOSITION_LAYER_SPACE_WARP_INFO_FRAME_SKIP_BIT_FB = 0x00000001;
+
+// XrCompositionLayerSpaceWarpInfoFB extends XrCompositionLayerProjectionView
+typedef struct XrCompositionLayerSpaceWarpInfoFB {
+    XrStructureType                           type;
+    const void* XR_MAY_ALIAS                  next;
+    XrCompositionLayerSpaceWarpInfoFlagsFB    layerFlags;
+    XrSwapchainSubImage                       motionVectorSubImage;
+    XrPosef                                   appSpaceDeltaPose;
+    XrSwapchainSubImage                       depthSubImage;
+    float                                     minDepth;
+    float                                     maxDepth;
+    float                                     nearZ;
+    float                                     farZ;
+} XrCompositionLayerSpaceWarpInfoFB;
+
+// XrSystemSpaceWarpPropertiesFB extends XrSystemProperties
+typedef struct XrSystemSpaceWarpPropertiesFB {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              recommendedMotionVectorImageRectWidth;
+    uint32_t              recommendedMotionVectorImageRectHeight;
+} XrSystemSpaceWarpPropertiesFB;
+
+
+
+// XR_FB_haptic_amplitude_envelope is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_haptic_amplitude_envelope 1
+
+#define XR_MAX_HAPTIC_AMPLITUDE_ENVELOPE_SAMPLES_FB 4000u
+
+#define XR_FB_haptic_amplitude_envelope_SPEC_VERSION 1
+#define XR_FB_HAPTIC_AMPLITUDE_ENVELOPE_EXTENSION_NAME "XR_FB_haptic_amplitude_envelope"
+typedef struct XrHapticAmplitudeEnvelopeVibrationFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrDuration                  duration;
+    uint32_t                    amplitudeCount;
+    const float*                amplitudes;
+} XrHapticAmplitudeEnvelopeVibrationFB;
+
+
+
+// XR_FB_scene is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_scene 1
+#define XR_FB_scene_SPEC_VERSION          4
+#define XR_FB_SCENE_EXTENSION_NAME        "XR_FB_scene"
+typedef XrFlags64 XrSemanticLabelsSupportFlagsFB;
+
+// Flag bits for XrSemanticLabelsSupportFlagsFB
+static const XrSemanticLabelsSupportFlagsFB XR_SEMANTIC_LABELS_SUPPORT_MULTIPLE_SEMANTIC_LABELS_BIT_FB = 0x00000001;
+static const XrSemanticLabelsSupportFlagsFB XR_SEMANTIC_LABELS_SUPPORT_ACCEPT_DESK_TO_TABLE_MIGRATION_BIT_FB = 0x00000002;
+static const XrSemanticLabelsSupportFlagsFB XR_SEMANTIC_LABELS_SUPPORT_ACCEPT_INVISIBLE_WALL_FACE_BIT_FB = 0x00000004;
+
+typedef XrExtent3Df XrExtent3DfFB;
+
+typedef struct XrOffset3DfFB {
+    float    x;
+    float    y;
+    float    z;
+} XrOffset3DfFB;
+
+typedef struct XrRect3DfFB {
+    XrOffset3DfFB    offset;
+    XrExtent3DfFB    extent;
+} XrRect3DfFB;
+
+typedef struct XrSemanticLabelsFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    bufferCapacityInput;
+    uint32_t                    bufferCountOutput;
+    char*                       buffer;
+} XrSemanticLabelsFB;
+
+typedef struct XrRoomLayoutFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrUuidEXT                   floorUuid;
+    XrUuidEXT                   ceilingUuid;
+    uint32_t                    wallUuidCapacityInput;
+    uint32_t                    wallUuidCountOutput;
+    XrUuidEXT*                  wallUuids;
+} XrRoomLayoutFB;
+
+typedef struct XrBoundary2DFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    vertexCapacityInput;
+    uint32_t                    vertexCountOutput;
+    XrVector2f*                 vertices;
+} XrBoundary2DFB;
+
+// XrSemanticLabelsSupportInfoFB extends XrSemanticLabelsFB
+typedef struct XrSemanticLabelsSupportInfoFB {
+    XrStructureType                   type;
+    const void* XR_MAY_ALIAS          next;
+    XrSemanticLabelsSupportFlagsFB    flags;
+    const char*                       recognizedLabels;
+} XrSemanticLabelsSupportInfoFB;
+
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpaceBoundingBox2DFB)(XrSession session, XrSpace space, XrRect2Df* boundingBox2DOutput);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpaceBoundingBox3DFB)(XrSession session, XrSpace space, XrRect3DfFB* boundingBox3DOutput);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpaceSemanticLabelsFB)(XrSession session, XrSpace space, XrSemanticLabelsFB* semanticLabelsOutput);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpaceBoundary2DFB)(XrSession session, XrSpace space, XrBoundary2DFB* boundary2DOutput);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpaceRoomLayoutFB)(XrSession session, XrSpace space, XrRoomLayoutFB* roomLayoutOutput);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpaceBoundingBox2DFB(
+    XrSession                                   session,
+    XrSpace                                     space,
+    XrRect2Df*                                  boundingBox2DOutput);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpaceBoundingBox3DFB(
+    XrSession                                   session,
+    XrSpace                                     space,
+    XrRect3DfFB*                                boundingBox3DOutput);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpaceSemanticLabelsFB(
+    XrSession                                   session,
+    XrSpace                                     space,
+    XrSemanticLabelsFB*                         semanticLabelsOutput);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpaceBoundary2DFB(
+    XrSession                                   session,
+    XrSpace                                     space,
+    XrBoundary2DFB*                             boundary2DOutput);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpaceRoomLayoutFB(
+    XrSession                                   session,
+    XrSpace                                     space,
+    XrRoomLayoutFB*                             roomLayoutOutput);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_EXT_palm_pose is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_palm_pose 1
+#define XR_EXT_palm_pose_SPEC_VERSION     3
+#define XR_EXT_PALM_POSE_EXTENSION_NAME   "XR_EXT_palm_pose"
+
+
+// XR_ALMALENCE_digital_lens_control is a preprocessor guard. Do not pass it to API calls.
+#define XR_ALMALENCE_digital_lens_control 1
+#define XR_ALMALENCE_digital_lens_control_SPEC_VERSION 1
+#define XR_ALMALENCE_DIGITAL_LENS_CONTROL_EXTENSION_NAME "XR_ALMALENCE_digital_lens_control"
+typedef XrFlags64 XrDigitalLensControlFlagsALMALENCE;
+
+// Flag bits for XrDigitalLensControlFlagsALMALENCE
+static const XrDigitalLensControlFlagsALMALENCE XR_DIGITAL_LENS_CONTROL_PROCESSING_DISABLE_BIT_ALMALENCE = 0x00000001;
+
+typedef struct XrDigitalLensControlALMALENCE {
+    XrStructureType                       type;
+    const void* XR_MAY_ALIAS              next;
+    XrDigitalLensControlFlagsALMALENCE    flags;
+} XrDigitalLensControlALMALENCE;
+
+typedef XrResult (XRAPI_PTR *PFN_xrSetDigitalLensControlALMALENCE)(XrSession session, const XrDigitalLensControlALMALENCE* digitalLensControl);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrSetDigitalLensControlALMALENCE(
+    XrSession                                   session,
+    const XrDigitalLensControlALMALENCE*        digitalLensControl);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_FB_scene_capture is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_scene_capture 1
+#define XR_FB_scene_capture_SPEC_VERSION  1
+#define XR_FB_SCENE_CAPTURE_EXTENSION_NAME "XR_FB_scene_capture"
+typedef struct XrEventDataSceneCaptureCompleteFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAsyncRequestIdFB          requestId;
+    XrResult                    result;
+} XrEventDataSceneCaptureCompleteFB;
+
+typedef struct XrSceneCaptureRequestInfoFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    requestByteCount;
+    const char*                 request;
+} XrSceneCaptureRequestInfoFB;
+
+typedef XrResult (XRAPI_PTR *PFN_xrRequestSceneCaptureFB)(XrSession session, const XrSceneCaptureRequestInfoFB* info, XrAsyncRequestIdFB* requestId);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrRequestSceneCaptureFB(
+    XrSession                                   session,
+    const XrSceneCaptureRequestInfoFB*          info,
+    XrAsyncRequestIdFB*                         requestId);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_FB_spatial_entity_container is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_spatial_entity_container 1
+#define XR_FB_spatial_entity_container_SPEC_VERSION 2
+#define XR_FB_SPATIAL_ENTITY_CONTAINER_EXTENSION_NAME "XR_FB_spatial_entity_container"
+typedef struct XrSpaceContainerFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    uuidCapacityInput;
+    uint32_t                    uuidCountOutput;
+    XrUuidEXT*                  uuids;
+} XrSpaceContainerFB;
+
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpaceContainerFB)(XrSession session, XrSpace space, XrSpaceContainerFB* spaceContainerOutput);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpaceContainerFB(
+    XrSession                                   session,
+    XrSpace                                     space,
+    XrSpaceContainerFB*                         spaceContainerOutput);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_META_foveation_eye_tracked is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_foveation_eye_tracked 1
+#define XR_FOVEATION_CENTER_SIZE_META     2
+#define XR_META_foveation_eye_tracked_SPEC_VERSION 1
+#define XR_META_FOVEATION_EYE_TRACKED_EXTENSION_NAME "XR_META_foveation_eye_tracked"
+typedef XrFlags64 XrFoveationEyeTrackedProfileCreateFlagsMETA;
+
+// Flag bits for XrFoveationEyeTrackedProfileCreateFlagsMETA
+
+typedef XrFlags64 XrFoveationEyeTrackedStateFlagsMETA;
+
+// Flag bits for XrFoveationEyeTrackedStateFlagsMETA
+static const XrFoveationEyeTrackedStateFlagsMETA XR_FOVEATION_EYE_TRACKED_STATE_VALID_BIT_META = 0x00000001;
+
+// XrFoveationEyeTrackedProfileCreateInfoMETA extends XrFoveationLevelProfileCreateInfoFB
+typedef struct XrFoveationEyeTrackedProfileCreateInfoMETA {
+    XrStructureType                                type;
+    const void* XR_MAY_ALIAS                       next;
+    XrFoveationEyeTrackedProfileCreateFlagsMETA    flags;
+} XrFoveationEyeTrackedProfileCreateInfoMETA;
+
+typedef struct XrFoveationEyeTrackedStateMETA {
+    XrStructureType                        type;
+    void* XR_MAY_ALIAS                     next;
+    XrVector2f                             foveationCenter[XR_FOVEATION_CENTER_SIZE_META];
+    XrFoveationEyeTrackedStateFlagsMETA    flags;
+} XrFoveationEyeTrackedStateMETA;
+
+// XrSystemFoveationEyeTrackedPropertiesMETA extends XrSystemProperties
+typedef struct XrSystemFoveationEyeTrackedPropertiesMETA {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsFoveationEyeTracked;
+} XrSystemFoveationEyeTrackedPropertiesMETA;
+
+typedef XrResult (XRAPI_PTR *PFN_xrGetFoveationEyeTrackedStateMETA)(XrSession session, XrFoveationEyeTrackedStateMETA* foveationState);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetFoveationEyeTrackedStateMETA(
+    XrSession                                   session,
+    XrFoveationEyeTrackedStateMETA*             foveationState);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_FB_face_tracking is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_face_tracking 1
+
+#define XR_FACE_EXPRESSSION_SET_DEFAULT_FB XR_FACE_EXPRESSION_SET_DEFAULT_FB
+
+XR_DEFINE_HANDLE(XrFaceTrackerFB)
+#define XR_FB_face_tracking_SPEC_VERSION  1
+#define XR_FB_FACE_TRACKING_EXTENSION_NAME "XR_FB_face_tracking"
+
+typedef enum XrFaceExpressionFB {
+    XR_FACE_EXPRESSION_BROW_LOWERER_L_FB = 0,
+    XR_FACE_EXPRESSION_BROW_LOWERER_R_FB = 1,
+    XR_FACE_EXPRESSION_CHEEK_PUFF_L_FB = 2,
+    XR_FACE_EXPRESSION_CHEEK_PUFF_R_FB = 3,
+    XR_FACE_EXPRESSION_CHEEK_RAISER_L_FB = 4,
+    XR_FACE_EXPRESSION_CHEEK_RAISER_R_FB = 5,
+    XR_FACE_EXPRESSION_CHEEK_SUCK_L_FB = 6,
+    XR_FACE_EXPRESSION_CHEEK_SUCK_R_FB = 7,
+    XR_FACE_EXPRESSION_CHIN_RAISER_B_FB = 8,
+    XR_FACE_EXPRESSION_CHIN_RAISER_T_FB = 9,
+    XR_FACE_EXPRESSION_DIMPLER_L_FB = 10,
+    XR_FACE_EXPRESSION_DIMPLER_R_FB = 11,
+    XR_FACE_EXPRESSION_EYES_CLOSED_L_FB = 12,
+    XR_FACE_EXPRESSION_EYES_CLOSED_R_FB = 13,
+    XR_FACE_EXPRESSION_EYES_LOOK_DOWN_L_FB = 14,
+    XR_FACE_EXPRESSION_EYES_LOOK_DOWN_R_FB = 15,
+    XR_FACE_EXPRESSION_EYES_LOOK_LEFT_L_FB = 16,
+    XR_FACE_EXPRESSION_EYES_LOOK_LEFT_R_FB = 17,
+    XR_FACE_EXPRESSION_EYES_LOOK_RIGHT_L_FB = 18,
+    XR_FACE_EXPRESSION_EYES_LOOK_RIGHT_R_FB = 19,
+    XR_FACE_EXPRESSION_EYES_LOOK_UP_L_FB = 20,
+    XR_FACE_EXPRESSION_EYES_LOOK_UP_R_FB = 21,
+    XR_FACE_EXPRESSION_INNER_BROW_RAISER_L_FB = 22,
+    XR_FACE_EXPRESSION_INNER_BROW_RAISER_R_FB = 23,
+    XR_FACE_EXPRESSION_JAW_DROP_FB = 24,
+    XR_FACE_EXPRESSION_JAW_SIDEWAYS_LEFT_FB = 25,
+    XR_FACE_EXPRESSION_JAW_SIDEWAYS_RIGHT_FB = 26,
+    XR_FACE_EXPRESSION_JAW_THRUST_FB = 27,
+    XR_FACE_EXPRESSION_LID_TIGHTENER_L_FB = 28,
+    XR_FACE_EXPRESSION_LID_TIGHTENER_R_FB = 29,
+    XR_FACE_EXPRESSION_LIP_CORNER_DEPRESSOR_L_FB = 30,
+    XR_FACE_EXPRESSION_LIP_CORNER_DEPRESSOR_R_FB = 31,
+    XR_FACE_EXPRESSION_LIP_CORNER_PULLER_L_FB = 32,
+    XR_FACE_EXPRESSION_LIP_CORNER_PULLER_R_FB = 33,
+    XR_FACE_EXPRESSION_LIP_FUNNELER_LB_FB = 34,
+    XR_FACE_EXPRESSION_LIP_FUNNELER_LT_FB = 35,
+    XR_FACE_EXPRESSION_LIP_FUNNELER_RB_FB = 36,
+    XR_FACE_EXPRESSION_LIP_FUNNELER_RT_FB = 37,
+    XR_FACE_EXPRESSION_LIP_PRESSOR_L_FB = 38,
+    XR_FACE_EXPRESSION_LIP_PRESSOR_R_FB = 39,
+    XR_FACE_EXPRESSION_LIP_PUCKER_L_FB = 40,
+    XR_FACE_EXPRESSION_LIP_PUCKER_R_FB = 41,
+    XR_FACE_EXPRESSION_LIP_STRETCHER_L_FB = 42,
+    XR_FACE_EXPRESSION_LIP_STRETCHER_R_FB = 43,
+    XR_FACE_EXPRESSION_LIP_SUCK_LB_FB = 44,
+    XR_FACE_EXPRESSION_LIP_SUCK_LT_FB = 45,
+    XR_FACE_EXPRESSION_LIP_SUCK_RB_FB = 46,
+    XR_FACE_EXPRESSION_LIP_SUCK_RT_FB = 47,
+    XR_FACE_EXPRESSION_LIP_TIGHTENER_L_FB = 48,
+    XR_FACE_EXPRESSION_LIP_TIGHTENER_R_FB = 49,
+    XR_FACE_EXPRESSION_LIPS_TOWARD_FB = 50,
+    XR_FACE_EXPRESSION_LOWER_LIP_DEPRESSOR_L_FB = 51,
+    XR_FACE_EXPRESSION_LOWER_LIP_DEPRESSOR_R_FB = 52,
+    XR_FACE_EXPRESSION_MOUTH_LEFT_FB = 53,
+    XR_FACE_EXPRESSION_MOUTH_RIGHT_FB = 54,
+    XR_FACE_EXPRESSION_NOSE_WRINKLER_L_FB = 55,
+    XR_FACE_EXPRESSION_NOSE_WRINKLER_R_FB = 56,
+    XR_FACE_EXPRESSION_OUTER_BROW_RAISER_L_FB = 57,
+    XR_FACE_EXPRESSION_OUTER_BROW_RAISER_R_FB = 58,
+    XR_FACE_EXPRESSION_UPPER_LID_RAISER_L_FB = 59,
+    XR_FACE_EXPRESSION_UPPER_LID_RAISER_R_FB = 60,
+    XR_FACE_EXPRESSION_UPPER_LIP_RAISER_L_FB = 61,
+    XR_FACE_EXPRESSION_UPPER_LIP_RAISER_R_FB = 62,
+    XR_FACE_EXPRESSION_COUNT_FB = 63,
+    XR_FACE_EXPRESSION_MAX_ENUM_FB = 0x7FFFFFFF
+} XrFaceExpressionFB;
+
+typedef enum XrFaceExpressionSetFB {
+    XR_FACE_EXPRESSION_SET_DEFAULT_FB = 0,
+    XR_FACE_EXPRESSION_SET_MAX_ENUM_FB = 0x7FFFFFFF
+} XrFaceExpressionSetFB;
+
+typedef enum XrFaceConfidenceFB {
+    XR_FACE_CONFIDENCE_LOWER_FACE_FB = 0,
+    XR_FACE_CONFIDENCE_UPPER_FACE_FB = 1,
+    XR_FACE_CONFIDENCE_COUNT_FB = 2,
+    XR_FACE_CONFIDENCE_MAX_ENUM_FB = 0x7FFFFFFF
+} XrFaceConfidenceFB;
+// XrSystemFaceTrackingPropertiesFB extends XrSystemProperties
+typedef struct XrSystemFaceTrackingPropertiesFB {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsFaceTracking;
+} XrSystemFaceTrackingPropertiesFB;
+
+typedef struct XrFaceTrackerCreateInfoFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrFaceExpressionSetFB       faceExpressionSet;
+} XrFaceTrackerCreateInfoFB;
+
+typedef struct XrFaceExpressionInfoFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrTime                      time;
+} XrFaceExpressionInfoFB;
+
+typedef struct XrFaceExpressionStatusFB {
+    XrBool32    isValid;
+    XrBool32    isEyeFollowingBlendshapesValid;
+} XrFaceExpressionStatusFB;
+
+typedef struct XrFaceExpressionWeightsFB {
+    XrStructureType             type;
+    void* XR_MAY_ALIAS          next;
+    uint32_t                    weightCount;
+    float*                      weights;
+    uint32_t                    confidenceCount;
+    float*                      confidences;
+    XrFaceExpressionStatusFB    status;
+    XrTime                      time;
+} XrFaceExpressionWeightsFB;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateFaceTrackerFB)(XrSession session, const XrFaceTrackerCreateInfoFB* createInfo, XrFaceTrackerFB* faceTracker);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyFaceTrackerFB)(XrFaceTrackerFB faceTracker);
+typedef XrResult (XRAPI_PTR *PFN_xrGetFaceExpressionWeightsFB)(XrFaceTrackerFB faceTracker, const XrFaceExpressionInfoFB* expressionInfo, XrFaceExpressionWeightsFB* expressionWeights);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateFaceTrackerFB(
+    XrSession                                   session,
+    const XrFaceTrackerCreateInfoFB*            createInfo,
+    XrFaceTrackerFB*                            faceTracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyFaceTrackerFB(
+    XrFaceTrackerFB                             faceTracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetFaceExpressionWeightsFB(
+    XrFaceTrackerFB                             faceTracker,
+    const XrFaceExpressionInfoFB*               expressionInfo,
+    XrFaceExpressionWeightsFB*                  expressionWeights);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_FB_eye_tracking_social is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_eye_tracking_social 1
+XR_DEFINE_HANDLE(XrEyeTrackerFB)
+#define XR_FB_eye_tracking_social_SPEC_VERSION 1
+#define XR_FB_EYE_TRACKING_SOCIAL_EXTENSION_NAME "XR_FB_eye_tracking_social"
+
+typedef enum XrEyePositionFB {
+    XR_EYE_POSITION_LEFT_FB = 0,
+    XR_EYE_POSITION_RIGHT_FB = 1,
+    XR_EYE_POSITION_COUNT_FB = 2,
+    XR_EYE_POSITION_MAX_ENUM_FB = 0x7FFFFFFF
+} XrEyePositionFB;
+typedef struct XrEyeGazeFB {
+    XrBool32    isValid;
+    XrPosef     gazePose;
+    float       gazeConfidence;
+} XrEyeGazeFB;
+
+typedef struct XrEyeTrackerCreateInfoFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrEyeTrackerCreateInfoFB;
+
+typedef struct XrEyeGazesInfoFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     baseSpace;
+    XrTime                      time;
+} XrEyeGazesInfoFB;
+
+// XrSystemEyeTrackingPropertiesFB extends XrSystemProperties
+typedef struct XrSystemEyeTrackingPropertiesFB {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsEyeTracking;
+} XrSystemEyeTrackingPropertiesFB;
+
+typedef struct XrEyeGazesFB {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrEyeGazeFB           gaze[XR_EYE_POSITION_COUNT_FB];
+    XrTime                time;
+} XrEyeGazesFB;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateEyeTrackerFB)(XrSession session, const XrEyeTrackerCreateInfoFB* createInfo, XrEyeTrackerFB* eyeTracker);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyEyeTrackerFB)(XrEyeTrackerFB eyeTracker);
+typedef XrResult (XRAPI_PTR *PFN_xrGetEyeGazesFB)(XrEyeTrackerFB eyeTracker, const XrEyeGazesInfoFB* gazeInfo, XrEyeGazesFB* eyeGazes);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateEyeTrackerFB(
+    XrSession                                   session,
+    const XrEyeTrackerCreateInfoFB*             createInfo,
+    XrEyeTrackerFB*                             eyeTracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyEyeTrackerFB(
+    XrEyeTrackerFB                              eyeTracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetEyeGazesFB(
+    XrEyeTrackerFB                              eyeTracker,
+    const XrEyeGazesInfoFB*                     gazeInfo,
+    XrEyeGazesFB*                               eyeGazes);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_FB_passthrough_keyboard_hands is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_passthrough_keyboard_hands 1
+#define XR_FB_passthrough_keyboard_hands_SPEC_VERSION 2
+#define XR_FB_PASSTHROUGH_KEYBOARD_HANDS_EXTENSION_NAME "XR_FB_passthrough_keyboard_hands"
+typedef struct XrPassthroughKeyboardHandsIntensityFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    float                       leftHandIntensity;
+    float                       rightHandIntensity;
+} XrPassthroughKeyboardHandsIntensityFB;
+
+typedef XrResult (XRAPI_PTR *PFN_xrPassthroughLayerSetKeyboardHandsIntensityFB)(XrPassthroughLayerFB layer, const XrPassthroughKeyboardHandsIntensityFB* intensity);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrPassthroughLayerSetKeyboardHandsIntensityFB(
+    XrPassthroughLayerFB                        layer,
+    const XrPassthroughKeyboardHandsIntensityFB* intensity);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_FB_composition_layer_settings is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_composition_layer_settings 1
+#define XR_FB_composition_layer_settings_SPEC_VERSION 1
+#define XR_FB_COMPOSITION_LAYER_SETTINGS_EXTENSION_NAME "XR_FB_composition_layer_settings"
+typedef XrFlags64 XrCompositionLayerSettingsFlagsFB;
+
+// Flag bits for XrCompositionLayerSettingsFlagsFB
+static const XrCompositionLayerSettingsFlagsFB XR_COMPOSITION_LAYER_SETTINGS_NORMAL_SUPER_SAMPLING_BIT_FB = 0x00000001;
+static const XrCompositionLayerSettingsFlagsFB XR_COMPOSITION_LAYER_SETTINGS_QUALITY_SUPER_SAMPLING_BIT_FB = 0x00000002;
+static const XrCompositionLayerSettingsFlagsFB XR_COMPOSITION_LAYER_SETTINGS_NORMAL_SHARPENING_BIT_FB = 0x00000004;
+static const XrCompositionLayerSettingsFlagsFB XR_COMPOSITION_LAYER_SETTINGS_QUALITY_SHARPENING_BIT_FB = 0x00000008;
+static const XrCompositionLayerSettingsFlagsFB XR_COMPOSITION_LAYER_SETTINGS_AUTO_LAYER_FILTER_BIT_META = 0x00000020;
+
+// XrCompositionLayerSettingsFB extends XrCompositionLayerBaseHeader
+typedef struct XrCompositionLayerSettingsFB {
+    XrStructureType                      type;
+    const void* XR_MAY_ALIAS             next;
+    XrCompositionLayerSettingsFlagsFB    layerFlags;
+} XrCompositionLayerSettingsFB;
+
+
+
+// XR_FB_touch_controller_proximity is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_touch_controller_proximity 1
+#define XR_FB_touch_controller_proximity_SPEC_VERSION 1
+#define XR_FB_TOUCH_CONTROLLER_PROXIMITY_EXTENSION_NAME "XR_FB_touch_controller_proximity"
+
+
+// XR_FB_haptic_pcm is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_haptic_pcm 1
+
+#define XR_MAX_HAPTIC_PCM_BUFFER_SIZE_FB 4000
+
+#define XR_FB_haptic_pcm_SPEC_VERSION     1
+#define XR_FB_HAPTIC_PCM_EXTENSION_NAME   "XR_FB_haptic_pcm"
+typedef struct XrHapticPcmVibrationFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    bufferSize;
+    const float*                buffer;
+    float                       sampleRate;
+    XrBool32                    append;
+    uint32_t*                   samplesConsumed;
+} XrHapticPcmVibrationFB;
+
+typedef struct XrDevicePcmSampleRateStateFB {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    float                 sampleRate;
+} XrDevicePcmSampleRateStateFB;
+
+typedef XrDevicePcmSampleRateStateFB XrDevicePcmSampleRateGetInfoFB;
+
+typedef XrResult (XRAPI_PTR *PFN_xrGetDeviceSampleRateFB)(XrSession session, const XrHapticActionInfo* hapticActionInfo, XrDevicePcmSampleRateGetInfoFB* deviceSampleRate);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetDeviceSampleRateFB(
+    XrSession                                   session,
+    const XrHapticActionInfo*                   hapticActionInfo,
+    XrDevicePcmSampleRateGetInfoFB*             deviceSampleRate);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_EXT_frame_synthesis is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_frame_synthesis 1
+#define XR_EXT_frame_synthesis_SPEC_VERSION 1
+#define XR_EXT_FRAME_SYNTHESIS_EXTENSION_NAME "XR_EXT_frame_synthesis"
+typedef XrFlags64 XrFrameSynthesisInfoFlagsEXT;
+
+// Flag bits for XrFrameSynthesisInfoFlagsEXT
+static const XrFrameSynthesisInfoFlagsEXT XR_FRAME_SYNTHESIS_INFO_USE_2D_MOTION_VECTOR_BIT_EXT = 0x00000001;
+static const XrFrameSynthesisInfoFlagsEXT XR_FRAME_SYNTHESIS_INFO_REQUEST_RELAXED_FRAME_INTERVAL_BIT_EXT = 0x00000002;
+
+// XrFrameSynthesisInfoEXT extends XrCompositionLayerProjectionView
+typedef struct XrFrameSynthesisInfoEXT {
+    XrStructureType                 type;
+    const void* XR_MAY_ALIAS        next;
+    XrFrameSynthesisInfoFlagsEXT    layerFlags;
+    XrSwapchainSubImage             motionVectorSubImage;
+    XrVector4f                      motionVectorScale;
+    XrVector4f                      motionVectorOffset;
+    XrPosef                         appSpaceDeltaPose;
+    XrSwapchainSubImage             depthSubImage;
+    float                           minDepth;
+    float                           maxDepth;
+    float                           nearZ;
+    float                           farZ;
+} XrFrameSynthesisInfoEXT;
+
+// XrFrameSynthesisConfigViewEXT extends XrViewConfigurationView
+typedef struct XrFrameSynthesisConfigViewEXT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              recommendedMotionVectorImageRectWidth;
+    uint32_t              recommendedMotionVectorImageRectHeight;
+} XrFrameSynthesisConfigViewEXT;
+
+
+
+// XR_FB_composition_layer_depth_test is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_composition_layer_depth_test 1
+#define XR_FB_composition_layer_depth_test_SPEC_VERSION 1
+#define XR_FB_COMPOSITION_LAYER_DEPTH_TEST_EXTENSION_NAME "XR_FB_composition_layer_depth_test"
+
+typedef enum XrCompareOpFB {
+    XR_COMPARE_OP_NEVER_FB = 0,
+    XR_COMPARE_OP_LESS_FB = 1,
+    XR_COMPARE_OP_EQUAL_FB = 2,
+    XR_COMPARE_OP_LESS_OR_EQUAL_FB = 3,
+    XR_COMPARE_OP_GREATER_FB = 4,
+    XR_COMPARE_OP_NOT_EQUAL_FB = 5,
+    XR_COMPARE_OP_GREATER_OR_EQUAL_FB = 6,
+    XR_COMPARE_OP_ALWAYS_FB = 7,
+    XR_COMPARE_OP_MAX_ENUM_FB = 0x7FFFFFFF
+} XrCompareOpFB;
+// XrCompositionLayerDepthTestFB extends XrCompositionLayerBaseHeader
+typedef struct XrCompositionLayerDepthTestFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrBool32                    depthMask;
+    XrCompareOpFB               compareOp;
+} XrCompositionLayerDepthTestFB;
+
+
+
+// XR_META_local_dimming is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_local_dimming 1
+#define XR_META_local_dimming_SPEC_VERSION 1
+#define XR_META_LOCAL_DIMMING_EXTENSION_NAME "XR_META_local_dimming"
+
+typedef enum XrLocalDimmingModeMETA {
+    XR_LOCAL_DIMMING_MODE_OFF_META = 0,
+    XR_LOCAL_DIMMING_MODE_ON_META = 1,
+    XR_LOCAL_DIMMING_MODE_MAX_ENUM_META = 0x7FFFFFFF
+} XrLocalDimmingModeMETA;
+// XrLocalDimmingFrameEndInfoMETA extends XrFrameEndInfo
+typedef struct XrLocalDimmingFrameEndInfoMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrLocalDimmingModeMETA      localDimmingMode;
+} XrLocalDimmingFrameEndInfoMETA;
+
+
+
+// XR_META_passthrough_preferences is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_passthrough_preferences 1
+#define XR_META_passthrough_preferences_SPEC_VERSION 1
+#define XR_META_PASSTHROUGH_PREFERENCES_EXTENSION_NAME "XR_META_passthrough_preferences"
+typedef XrFlags64 XrPassthroughPreferenceFlagsMETA;
+
+// Flag bits for XrPassthroughPreferenceFlagsMETA
+static const XrPassthroughPreferenceFlagsMETA XR_PASSTHROUGH_PREFERENCE_DEFAULT_TO_ACTIVE_BIT_META = 0x00000001;
+
+typedef struct XrPassthroughPreferencesMETA {
+    XrStructureType                     type;
+    const void* XR_MAY_ALIAS            next;
+    XrPassthroughPreferenceFlagsMETA    flags;
+} XrPassthroughPreferencesMETA;
+
+typedef XrResult (XRAPI_PTR *PFN_xrGetPassthroughPreferencesMETA)(XrSession session, XrPassthroughPreferencesMETA* preferences);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetPassthroughPreferencesMETA(
+    XrSession                                   session,
+    XrPassthroughPreferencesMETA*               preferences);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_META_virtual_keyboard is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_virtual_keyboard 1
+XR_DEFINE_HANDLE(XrVirtualKeyboardMETA)
+#define XR_MAX_VIRTUAL_KEYBOARD_COMMIT_TEXT_SIZE_META 3992
+#define XR_META_virtual_keyboard_SPEC_VERSION 1
+#define XR_META_VIRTUAL_KEYBOARD_EXTENSION_NAME "XR_META_virtual_keyboard"
+
+typedef enum XrVirtualKeyboardLocationTypeMETA {
+    XR_VIRTUAL_KEYBOARD_LOCATION_TYPE_CUSTOM_META = 0,
+    XR_VIRTUAL_KEYBOARD_LOCATION_TYPE_FAR_META = 1,
+    XR_VIRTUAL_KEYBOARD_LOCATION_TYPE_DIRECT_META = 2,
+    XR_VIRTUAL_KEYBOARD_LOCATION_TYPE_MAX_ENUM_META = 0x7FFFFFFF
+} XrVirtualKeyboardLocationTypeMETA;
+
+typedef enum XrVirtualKeyboardInputSourceMETA {
+    XR_VIRTUAL_KEYBOARD_INPUT_SOURCE_CONTROLLER_RAY_LEFT_META = 1,
+    XR_VIRTUAL_KEYBOARD_INPUT_SOURCE_CONTROLLER_RAY_RIGHT_META = 2,
+    XR_VIRTUAL_KEYBOARD_INPUT_SOURCE_HAND_RAY_LEFT_META = 3,
+    XR_VIRTUAL_KEYBOARD_INPUT_SOURCE_HAND_RAY_RIGHT_META = 4,
+    XR_VIRTUAL_KEYBOARD_INPUT_SOURCE_CONTROLLER_DIRECT_LEFT_META = 5,
+    XR_VIRTUAL_KEYBOARD_INPUT_SOURCE_CONTROLLER_DIRECT_RIGHT_META = 6,
+    XR_VIRTUAL_KEYBOARD_INPUT_SOURCE_HAND_DIRECT_INDEX_TIP_LEFT_META = 7,
+    XR_VIRTUAL_KEYBOARD_INPUT_SOURCE_HAND_DIRECT_INDEX_TIP_RIGHT_META = 8,
+    XR_VIRTUAL_KEYBOARD_INPUT_SOURCE_MAX_ENUM_META = 0x7FFFFFFF
+} XrVirtualKeyboardInputSourceMETA;
+typedef XrFlags64 XrVirtualKeyboardInputStateFlagsMETA;
+
+// Flag bits for XrVirtualKeyboardInputStateFlagsMETA
+static const XrVirtualKeyboardInputStateFlagsMETA XR_VIRTUAL_KEYBOARD_INPUT_STATE_PRESSED_BIT_META = 0x00000001;
+
+// XrSystemVirtualKeyboardPropertiesMETA extends XrSystemProperties
+typedef struct XrSystemVirtualKeyboardPropertiesMETA {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsVirtualKeyboard;
+} XrSystemVirtualKeyboardPropertiesMETA;
+
+typedef struct XrVirtualKeyboardCreateInfoMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrVirtualKeyboardCreateInfoMETA;
+
+typedef struct XrVirtualKeyboardSpaceCreateInfoMETA {
+    XrStructureType                      type;
+    const void* XR_MAY_ALIAS             next;
+    XrVirtualKeyboardLocationTypeMETA    locationType;
+    XrSpace                              space;
+    XrPosef                              poseInSpace;
+} XrVirtualKeyboardSpaceCreateInfoMETA;
+
+typedef struct XrVirtualKeyboardLocationInfoMETA {
+    XrStructureType                      type;
+    const void* XR_MAY_ALIAS             next;
+    XrVirtualKeyboardLocationTypeMETA    locationType;
+    XrSpace                              space;
+    XrPosef                              poseInSpace;
+    float                                scale;
+} XrVirtualKeyboardLocationInfoMETA;
+
+typedef struct XrVirtualKeyboardModelVisibilitySetInfoMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrBool32                    visible;
+} XrVirtualKeyboardModelVisibilitySetInfoMETA;
+
+typedef struct XrVirtualKeyboardAnimationStateMETA {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    int32_t               animationIndex;
+    float                 fraction;
+} XrVirtualKeyboardAnimationStateMETA;
+
+typedef struct XrVirtualKeyboardModelAnimationStatesMETA {
+    XrStructureType                         type;
+    void* XR_MAY_ALIAS                      next;
+    uint32_t                                stateCapacityInput;
+    uint32_t                                stateCountOutput;
+    XrVirtualKeyboardAnimationStateMETA*    states;
+} XrVirtualKeyboardModelAnimationStatesMETA;
+
+typedef struct XrVirtualKeyboardTextureDataMETA {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              textureWidth;
+    uint32_t              textureHeight;
+    uint32_t              bufferCapacityInput;
+    uint32_t              bufferCountOutput;
+    uint8_t*              buffer;
+} XrVirtualKeyboardTextureDataMETA;
+
+typedef struct XrVirtualKeyboardInputInfoMETA {
+    XrStructureType                         type;
+    const void* XR_MAY_ALIAS                next;
+    XrVirtualKeyboardInputSourceMETA        inputSource;
+    XrSpace                                 inputSpace;
+    XrPosef                                 inputPoseInSpace;
+    XrVirtualKeyboardInputStateFlagsMETA    inputState;
+} XrVirtualKeyboardInputInfoMETA;
+
+typedef struct XrVirtualKeyboardTextContextChangeInfoMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    const char*                 textContext;
+} XrVirtualKeyboardTextContextChangeInfoMETA;
+
+typedef struct XrEventDataVirtualKeyboardCommitTextMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrVirtualKeyboardMETA       keyboard;
+    char                        text[XR_MAX_VIRTUAL_KEYBOARD_COMMIT_TEXT_SIZE_META];
+} XrEventDataVirtualKeyboardCommitTextMETA;
+
+typedef struct XrEventDataVirtualKeyboardBackspaceMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrVirtualKeyboardMETA       keyboard;
+} XrEventDataVirtualKeyboardBackspaceMETA;
+
+typedef struct XrEventDataVirtualKeyboardEnterMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrVirtualKeyboardMETA       keyboard;
+} XrEventDataVirtualKeyboardEnterMETA;
+
+typedef struct XrEventDataVirtualKeyboardShownMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrVirtualKeyboardMETA       keyboard;
+} XrEventDataVirtualKeyboardShownMETA;
+
+typedef struct XrEventDataVirtualKeyboardHiddenMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrVirtualKeyboardMETA       keyboard;
+} XrEventDataVirtualKeyboardHiddenMETA;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateVirtualKeyboardMETA)(XrSession session, const XrVirtualKeyboardCreateInfoMETA* createInfo, XrVirtualKeyboardMETA* keyboard);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyVirtualKeyboardMETA)(XrVirtualKeyboardMETA keyboard);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateVirtualKeyboardSpaceMETA)(XrSession session, XrVirtualKeyboardMETA keyboard, const XrVirtualKeyboardSpaceCreateInfoMETA* createInfo, XrSpace* keyboardSpace);
+typedef XrResult (XRAPI_PTR *PFN_xrSuggestVirtualKeyboardLocationMETA)(XrVirtualKeyboardMETA keyboard, const XrVirtualKeyboardLocationInfoMETA* locationInfo);
+typedef XrResult (XRAPI_PTR *PFN_xrGetVirtualKeyboardScaleMETA)(XrVirtualKeyboardMETA keyboard, float* scale);
+typedef XrResult (XRAPI_PTR *PFN_xrSetVirtualKeyboardModelVisibilityMETA)(XrVirtualKeyboardMETA keyboard, const XrVirtualKeyboardModelVisibilitySetInfoMETA* modelVisibility);
+typedef XrResult (XRAPI_PTR *PFN_xrGetVirtualKeyboardModelAnimationStatesMETA)(XrVirtualKeyboardMETA keyboard, XrVirtualKeyboardModelAnimationStatesMETA* animationStates);
+typedef XrResult (XRAPI_PTR *PFN_xrGetVirtualKeyboardDirtyTexturesMETA)(XrVirtualKeyboardMETA keyboard, uint32_t textureIdCapacityInput, uint32_t* textureIdCountOutput, uint64_t* textureIds);
+typedef XrResult (XRAPI_PTR *PFN_xrGetVirtualKeyboardTextureDataMETA)(XrVirtualKeyboardMETA keyboard, uint64_t textureId, XrVirtualKeyboardTextureDataMETA* textureData);
+typedef XrResult (XRAPI_PTR *PFN_xrSendVirtualKeyboardInputMETA)(XrVirtualKeyboardMETA keyboard, const XrVirtualKeyboardInputInfoMETA* info, XrPosef* interactorRootPose);
+typedef XrResult (XRAPI_PTR *PFN_xrChangeVirtualKeyboardTextContextMETA)(XrVirtualKeyboardMETA keyboard, const XrVirtualKeyboardTextContextChangeInfoMETA* changeInfo);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateVirtualKeyboardMETA(
+    XrSession                                   session,
+    const XrVirtualKeyboardCreateInfoMETA*      createInfo,
+    XrVirtualKeyboardMETA*                      keyboard);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyVirtualKeyboardMETA(
+    XrVirtualKeyboardMETA                       keyboard);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateVirtualKeyboardSpaceMETA(
+    XrSession                                   session,
+    XrVirtualKeyboardMETA                       keyboard,
+    const XrVirtualKeyboardSpaceCreateInfoMETA* createInfo,
+    XrSpace*                                    keyboardSpace);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSuggestVirtualKeyboardLocationMETA(
+    XrVirtualKeyboardMETA                       keyboard,
+    const XrVirtualKeyboardLocationInfoMETA*    locationInfo);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetVirtualKeyboardScaleMETA(
+    XrVirtualKeyboardMETA                       keyboard,
+    float*                                      scale);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSetVirtualKeyboardModelVisibilityMETA(
+    XrVirtualKeyboardMETA                       keyboard,
+    const XrVirtualKeyboardModelVisibilitySetInfoMETA* modelVisibility);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetVirtualKeyboardModelAnimationStatesMETA(
+    XrVirtualKeyboardMETA                       keyboard,
+    XrVirtualKeyboardModelAnimationStatesMETA*  animationStates);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetVirtualKeyboardDirtyTexturesMETA(
+    XrVirtualKeyboardMETA                       keyboard,
+    uint32_t                                    textureIdCapacityInput,
+    uint32_t*                                   textureIdCountOutput,
+    uint64_t*                                   textureIds);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetVirtualKeyboardTextureDataMETA(
+    XrVirtualKeyboardMETA                       keyboard,
+    uint64_t                                    textureId,
+    XrVirtualKeyboardTextureDataMETA*           textureData);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSendVirtualKeyboardInputMETA(
+    XrVirtualKeyboardMETA                       keyboard,
+    const XrVirtualKeyboardInputInfoMETA*       info,
+    XrPosef*                                    interactorRootPose);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrChangeVirtualKeyboardTextContextMETA(
+    XrVirtualKeyboardMETA                       keyboard,
+    const XrVirtualKeyboardTextContextChangeInfoMETA* changeInfo);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_OCULUS_external_camera is a preprocessor guard. Do not pass it to API calls.
+#define XR_OCULUS_external_camera 1
+#define XR_MAX_EXTERNAL_CAMERA_NAME_SIZE_OCULUS 32
+#define XR_OCULUS_external_camera_SPEC_VERSION 1
+#define XR_OCULUS_EXTERNAL_CAMERA_EXTENSION_NAME "XR_OCULUS_external_camera"
+
+typedef enum XrExternalCameraAttachedToDeviceOCULUS {
+    XR_EXTERNAL_CAMERA_ATTACHED_TO_DEVICE_NONE_OCULUS = 0,
+    XR_EXTERNAL_CAMERA_ATTACHED_TO_DEVICE_HMD_OCULUS = 1,
+    XR_EXTERNAL_CAMERA_ATTACHED_TO_DEVICE_LTOUCH_OCULUS = 2,
+    XR_EXTERNAL_CAMERA_ATTACHED_TO_DEVICE_RTOUCH_OCULUS = 3,
+    XR_EXTERNAL_CAMERA_ATTACHED_TO_DEVICE_MAX_ENUM_OCULUS = 0x7FFFFFFF
+} XrExternalCameraAttachedToDeviceOCULUS;
+typedef XrFlags64 XrExternalCameraStatusFlagsOCULUS;
+
+// Flag bits for XrExternalCameraStatusFlagsOCULUS
+static const XrExternalCameraStatusFlagsOCULUS XR_EXTERNAL_CAMERA_STATUS_CONNECTED_BIT_OCULUS = 0x00000001;
+static const XrExternalCameraStatusFlagsOCULUS XR_EXTERNAL_CAMERA_STATUS_CALIBRATING_BIT_OCULUS = 0x00000002;
+static const XrExternalCameraStatusFlagsOCULUS XR_EXTERNAL_CAMERA_STATUS_CALIBRATION_FAILED_BIT_OCULUS = 0x00000004;
+static const XrExternalCameraStatusFlagsOCULUS XR_EXTERNAL_CAMERA_STATUS_CALIBRATED_BIT_OCULUS = 0x00000008;
+static const XrExternalCameraStatusFlagsOCULUS XR_EXTERNAL_CAMERA_STATUS_CAPTURING_BIT_OCULUS = 0x00000010;
+
+typedef struct XrExternalCameraIntrinsicsOCULUS {
+    XrTime         lastChangeTime;
+    XrFovf         fov;
+    float          virtualNearPlaneDistance;
+    float          virtualFarPlaneDistance;
+    XrExtent2Di    imageSensorPixelResolution;
+} XrExternalCameraIntrinsicsOCULUS;
+
+typedef struct XrExternalCameraExtrinsicsOCULUS {
+    XrTime                                    lastChangeTime;
+    XrExternalCameraStatusFlagsOCULUS         cameraStatusFlags;
+    XrExternalCameraAttachedToDeviceOCULUS    attachedToDevice;
+    XrPosef                                   relativePose;
+} XrExternalCameraExtrinsicsOCULUS;
+
+typedef struct XrExternalCameraOCULUS {
+    XrStructureType                     type;
+    const void* XR_MAY_ALIAS            next;
+    char                                name[XR_MAX_EXTERNAL_CAMERA_NAME_SIZE_OCULUS];
+    XrExternalCameraIntrinsicsOCULUS    intrinsics;
+    XrExternalCameraExtrinsicsOCULUS    extrinsics;
+} XrExternalCameraOCULUS;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateExternalCamerasOCULUS)(XrSession session, uint32_t cameraCapacityInput, uint32_t* cameraCountOutput, XrExternalCameraOCULUS* cameras);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateExternalCamerasOCULUS(
+    XrSession                                   session,
+    uint32_t                                    cameraCapacityInput,
+    uint32_t*                                   cameraCountOutput,
+    XrExternalCameraOCULUS*                     cameras);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_META_performance_metrics is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_performance_metrics 1
+#define XR_META_performance_metrics_SPEC_VERSION 2
+#define XR_META_PERFORMANCE_METRICS_EXTENSION_NAME "XR_META_performance_metrics"
+
+typedef enum XrPerformanceMetricsCounterUnitMETA {
+    XR_PERFORMANCE_METRICS_COUNTER_UNIT_GENERIC_META = 0,
+    XR_PERFORMANCE_METRICS_COUNTER_UNIT_PERCENTAGE_META = 1,
+    XR_PERFORMANCE_METRICS_COUNTER_UNIT_MILLISECONDS_META = 2,
+    XR_PERFORMANCE_METRICS_COUNTER_UNIT_BYTES_META = 3,
+    XR_PERFORMANCE_METRICS_COUNTER_UNIT_HERTZ_META = 4,
+    XR_PERFORMANCE_METRICS_COUNTER_UNIT_MAX_ENUM_META = 0x7FFFFFFF
+} XrPerformanceMetricsCounterUnitMETA;
+typedef XrFlags64 XrPerformanceMetricsCounterFlagsMETA;
+
+// Flag bits for XrPerformanceMetricsCounterFlagsMETA
+static const XrPerformanceMetricsCounterFlagsMETA XR_PERFORMANCE_METRICS_COUNTER_ANY_VALUE_VALID_BIT_META = 0x00000001;
+static const XrPerformanceMetricsCounterFlagsMETA XR_PERFORMANCE_METRICS_COUNTER_UINT_VALUE_VALID_BIT_META = 0x00000002;
+static const XrPerformanceMetricsCounterFlagsMETA XR_PERFORMANCE_METRICS_COUNTER_FLOAT_VALUE_VALID_BIT_META = 0x00000004;
+
+typedef struct XrPerformanceMetricsStateMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrBool32                    enabled;
+} XrPerformanceMetricsStateMETA;
+
+typedef struct XrPerformanceMetricsCounterMETA {
+    XrStructureType                         type;
+    const void* XR_MAY_ALIAS                next;
+    XrPerformanceMetricsCounterFlagsMETA    counterFlags;
+    XrPerformanceMetricsCounterUnitMETA     counterUnit;
+    uint32_t                                uintValue;
+    float                                   floatValue;
+} XrPerformanceMetricsCounterMETA;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnumeratePerformanceMetricsCounterPathsMETA)(XrInstance instance, uint32_t counterPathCapacityInput, uint32_t* counterPathCountOutput, XrPath* counterPaths);
+typedef XrResult (XRAPI_PTR *PFN_xrSetPerformanceMetricsStateMETA)(XrSession session, const XrPerformanceMetricsStateMETA* state);
+typedef XrResult (XRAPI_PTR *PFN_xrGetPerformanceMetricsStateMETA)(XrSession session, XrPerformanceMetricsStateMETA* state);
+typedef XrResult (XRAPI_PTR *PFN_xrQueryPerformanceMetricsCounterMETA)(XrSession session, XrPath counterPath, XrPerformanceMetricsCounterMETA* counter);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumeratePerformanceMetricsCounterPathsMETA(
+    XrInstance                                  instance,
+    uint32_t                                    counterPathCapacityInput,
+    uint32_t*                                   counterPathCountOutput,
+    XrPath*                                     counterPaths);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSetPerformanceMetricsStateMETA(
+    XrSession                                   session,
+    const XrPerformanceMetricsStateMETA*        state);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetPerformanceMetricsStateMETA(
+    XrSession                                   session,
+    XrPerformanceMetricsStateMETA*              state);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrQueryPerformanceMetricsCounterMETA(
+    XrSession                                   session,
+    XrPath                                      counterPath,
+    XrPerformanceMetricsCounterMETA*            counter);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_FB_spatial_entity_storage_batch is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_spatial_entity_storage_batch 1
+#define XR_FB_spatial_entity_storage_batch_SPEC_VERSION 1
+#define XR_FB_SPATIAL_ENTITY_STORAGE_BATCH_EXTENSION_NAME "XR_FB_spatial_entity_storage_batch"
+typedef struct XrSpaceListSaveInfoFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    spaceCount;
+    XrSpace*                    spaces;
+    XrSpaceStorageLocationFB    location;
+} XrSpaceListSaveInfoFB;
+
+typedef struct XrEventDataSpaceListSaveCompleteFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAsyncRequestIdFB          requestId;
+    XrResult                    result;
+} XrEventDataSpaceListSaveCompleteFB;
+
+typedef XrResult (XRAPI_PTR *PFN_xrSaveSpaceListFB)(XrSession session, const XrSpaceListSaveInfoFB* info, XrAsyncRequestIdFB* requestId);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrSaveSpaceListFB(
+    XrSession                                   session,
+    const XrSpaceListSaveInfoFB*                info,
+    XrAsyncRequestIdFB*                         requestId);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_META_detached_controllers is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_detached_controllers 1
+#define XR_META_detached_controllers_SPEC_VERSION 1
+#define XR_META_DETACHED_CONTROLLERS_EXTENSION_NAME "XR_META_detached_controllers"
+
+
+// XR_FB_spatial_entity_user is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_spatial_entity_user 1
+typedef uint64_t XrSpaceUserIdFB;
+#define XR_FB_spatial_entity_user_SPEC_VERSION 1
+#define XR_FB_SPATIAL_ENTITY_USER_EXTENSION_NAME "XR_FB_spatial_entity_user"
+typedef struct XrSpaceUserCreateInfoFB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpaceUserIdFB             userId;
+} XrSpaceUserCreateInfoFB;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpaceUserFB)(XrSession session, const XrSpaceUserCreateInfoFB* info, XrSpaceUserFB* user);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpaceUserIdFB)(XrSpaceUserFB user, XrSpaceUserIdFB* userId);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroySpaceUserFB)(XrSpaceUserFB user);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpaceUserFB(
+    XrSession                                   session,
+    const XrSpaceUserCreateInfoFB*              info,
+    XrSpaceUserFB*                              user);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpaceUserIdFB(
+    XrSpaceUserFB                               user,
+    XrSpaceUserIdFB*                            userId);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroySpaceUserFB(
+    XrSpaceUserFB                               user);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_META_headset_id is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_headset_id 1
+#define XR_META_headset_id_SPEC_VERSION   2
+#define XR_META_HEADSET_ID_EXTENSION_NAME "XR_META_headset_id"
+// XrSystemHeadsetIdPropertiesMETA extends XrSystemProperties
+typedef struct XrSystemHeadsetIdPropertiesMETA {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrUuidEXT             id;
+} XrSystemHeadsetIdPropertiesMETA;
+
+
+
+// XR_META_spatial_entity_discovery is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_spatial_entity_discovery 1
+#define XR_META_spatial_entity_discovery_SPEC_VERSION 1
+#define XR_META_SPATIAL_ENTITY_DISCOVERY_EXTENSION_NAME "XR_META_spatial_entity_discovery"
+// XrSystemSpaceDiscoveryPropertiesMETA extends XrSystemProperties
+typedef struct XrSystemSpaceDiscoveryPropertiesMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrBool32                    supportsSpaceDiscovery;
+} XrSystemSpaceDiscoveryPropertiesMETA;
+
+typedef struct XR_MAY_ALIAS XrSpaceFilterBaseHeaderMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrSpaceFilterBaseHeaderMETA;
+
+typedef struct XrSpaceDiscoveryInfoMETA {
+    XrStructureType                               type;
+    const void* XR_MAY_ALIAS                      next;
+    uint32_t                                      filterCount;
+    const XrSpaceFilterBaseHeaderMETA* const *    filters;
+} XrSpaceDiscoveryInfoMETA;
+
+typedef struct XrSpaceFilterUuidMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    uuidCount;
+    const XrUuidEXT*            uuids;
+} XrSpaceFilterUuidMETA;
+
+typedef struct XrSpaceFilterComponentMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpaceComponentTypeFB      componentType;
+} XrSpaceFilterComponentMETA;
+
+typedef struct XrSpaceDiscoveryResultMETA {
+    XrSpace      space;
+    XrUuidEXT    uuid;
+} XrSpaceDiscoveryResultMETA;
+
+typedef struct XrSpaceDiscoveryResultsMETA {
+    XrStructureType                type;
+    const void* XR_MAY_ALIAS       next;
+    uint32_t                       resultCapacityInput;
+    uint32_t                       resultCountOutput;
+    XrSpaceDiscoveryResultMETA*    results;
+} XrSpaceDiscoveryResultsMETA;
+
+typedef struct XrEventDataSpaceDiscoveryResultsAvailableMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAsyncRequestIdFB          requestId;
+} XrEventDataSpaceDiscoveryResultsAvailableMETA;
+
+typedef struct XrEventDataSpaceDiscoveryCompleteMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAsyncRequestIdFB          requestId;
+    XrResult                    result;
+} XrEventDataSpaceDiscoveryCompleteMETA;
+
+typedef XrResult (XRAPI_PTR *PFN_xrDiscoverSpacesMETA)(XrSession session, const XrSpaceDiscoveryInfoMETA* info, XrAsyncRequestIdFB* requestId);
+typedef XrResult (XRAPI_PTR *PFN_xrRetrieveSpaceDiscoveryResultsMETA)(XrSession session, XrAsyncRequestIdFB requestId, XrSpaceDiscoveryResultsMETA* results);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrDiscoverSpacesMETA(
+    XrSession                                   session,
+    const XrSpaceDiscoveryInfoMETA*             info,
+    XrAsyncRequestIdFB*                         requestId);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrRetrieveSpaceDiscoveryResultsMETA(
+    XrSession                                   session,
+    XrAsyncRequestIdFB                          requestId,
+    XrSpaceDiscoveryResultsMETA*                results);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_META_hand_tracking_microgestures is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_hand_tracking_microgestures 1
+#define XR_META_hand_tracking_microgestures_SPEC_VERSION 1
+#define XR_META_HAND_TRACKING_MICROGESTURES_EXTENSION_NAME "XR_META_hand_tracking_microgestures"
+
+
+// XR_META_recommended_layer_resolution is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_recommended_layer_resolution 1
+#define XR_META_recommended_layer_resolution_SPEC_VERSION 1
+#define XR_META_RECOMMENDED_LAYER_RESOLUTION_EXTENSION_NAME "XR_META_recommended_layer_resolution"
+typedef struct XrRecommendedLayerResolutionMETA {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrExtent2Di           recommendedImageDimensions;
+    XrBool32              isValid;
+} XrRecommendedLayerResolutionMETA;
+
+typedef struct XrRecommendedLayerResolutionGetInfoMETA {
+    XrStructureType                        type;
+    const void* XR_MAY_ALIAS               next;
+    const XrCompositionLayerBaseHeader*    layer;
+    XrTime                                 predictedDisplayTime;
+} XrRecommendedLayerResolutionGetInfoMETA;
+
+typedef XrResult (XRAPI_PTR *PFN_xrGetRecommendedLayerResolutionMETA)(XrSession session, const XrRecommendedLayerResolutionGetInfoMETA* info, XrRecommendedLayerResolutionMETA* resolution);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetRecommendedLayerResolutionMETA(
+    XrSession                                   session,
+    const XrRecommendedLayerResolutionGetInfoMETA* info,
+    XrRecommendedLayerResolutionMETA*           resolution);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_META_spatial_entity_persistence is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_spatial_entity_persistence 1
+#define XR_META_spatial_entity_persistence_SPEC_VERSION 1
+#define XR_META_SPATIAL_ENTITY_PERSISTENCE_EXTENSION_NAME "XR_META_spatial_entity_persistence"
+// XrSystemSpacePersistencePropertiesMETA extends XrSystemProperties
+typedef struct XrSystemSpacePersistencePropertiesMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrBool32                    supportsSpacePersistence;
+} XrSystemSpacePersistencePropertiesMETA;
+
+typedef struct XrSpacesSaveInfoMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    spaceCount;
+    XrSpace*                    spaces;
+} XrSpacesSaveInfoMETA;
+
+typedef struct XrEventDataSpacesSaveResultMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAsyncRequestIdFB          requestId;
+    XrResult                    result;
+} XrEventDataSpacesSaveResultMETA;
+
+typedef struct XrSpacesEraseInfoMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    spaceCount;
+    XrSpace*                    spaces;
+    uint32_t                    uuidCount;
+    XrUuidEXT*                  uuids;
+} XrSpacesEraseInfoMETA;
+
+typedef struct XrEventDataSpacesEraseResultMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAsyncRequestIdFB          requestId;
+    XrResult                    result;
+} XrEventDataSpacesEraseResultMETA;
+
+typedef XrResult (XRAPI_PTR *PFN_xrSaveSpacesMETA)(XrSession session, const XrSpacesSaveInfoMETA* info, XrAsyncRequestIdFB* requestId);
+typedef XrResult (XRAPI_PTR *PFN_xrEraseSpacesMETA)(XrSession session, const XrSpacesEraseInfoMETA* info, XrAsyncRequestIdFB* requestId);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrSaveSpacesMETA(
+    XrSession                                   session,
+    const XrSpacesSaveInfoMETA*                 info,
+    XrAsyncRequestIdFB*                         requestId);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEraseSpacesMETA(
+    XrSession                                   session,
+    const XrSpacesEraseInfoMETA*                info,
+    XrAsyncRequestIdFB*                         requestId);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_META_passthrough_color_lut is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_passthrough_color_lut 1
+XR_DEFINE_HANDLE(XrPassthroughColorLutMETA)
+#define XR_META_passthrough_color_lut_SPEC_VERSION 1
+#define XR_META_PASSTHROUGH_COLOR_LUT_EXTENSION_NAME "XR_META_passthrough_color_lut"
+
+typedef enum XrPassthroughColorLutChannelsMETA {
+    XR_PASSTHROUGH_COLOR_LUT_CHANNELS_RGB_META = 1,
+    XR_PASSTHROUGH_COLOR_LUT_CHANNELS_RGBA_META = 2,
+    XR_PASSTHROUGH_COLOR_LUT_CHANNELS_MAX_ENUM_META = 0x7FFFFFFF
+} XrPassthroughColorLutChannelsMETA;
+typedef struct XrPassthroughColorLutDataMETA {
+    uint32_t          bufferSize;
+    const uint8_t*    buffer;
+} XrPassthroughColorLutDataMETA;
+
+typedef struct XrPassthroughColorLutCreateInfoMETA {
+    XrStructureType                      type;
+    const void* XR_MAY_ALIAS             next;
+    XrPassthroughColorLutChannelsMETA    channels;
+    uint32_t                             resolution;
+    XrPassthroughColorLutDataMETA        data;
+} XrPassthroughColorLutCreateInfoMETA;
+
+typedef struct XrPassthroughColorLutUpdateInfoMETA {
+    XrStructureType                  type;
+    const void* XR_MAY_ALIAS         next;
+    XrPassthroughColorLutDataMETA    data;
+} XrPassthroughColorLutUpdateInfoMETA;
+
+// XrPassthroughColorMapLutMETA extends XrPassthroughStyleFB
+typedef struct XrPassthroughColorMapLutMETA {
+    XrStructureType              type;
+    const void* XR_MAY_ALIAS     next;
+    XrPassthroughColorLutMETA    colorLut;
+    float                        weight;
+} XrPassthroughColorMapLutMETA;
+
+// XrPassthroughColorMapInterpolatedLutMETA extends XrPassthroughStyleFB
+typedef struct XrPassthroughColorMapInterpolatedLutMETA {
+    XrStructureType              type;
+    const void* XR_MAY_ALIAS     next;
+    XrPassthroughColorLutMETA    sourceColorLut;
+    XrPassthroughColorLutMETA    targetColorLut;
+    float                        weight;
+} XrPassthroughColorMapInterpolatedLutMETA;
+
+// XrSystemPassthroughColorLutPropertiesMETA extends XrSystemProperties
+typedef struct XrSystemPassthroughColorLutPropertiesMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    maxColorLutResolution;
+} XrSystemPassthroughColorLutPropertiesMETA;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreatePassthroughColorLutMETA)(XrPassthroughFB passthrough, const XrPassthroughColorLutCreateInfoMETA* createInfo, XrPassthroughColorLutMETA* colorLut);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyPassthroughColorLutMETA)(XrPassthroughColorLutMETA colorLut);
+typedef XrResult (XRAPI_PTR *PFN_xrUpdatePassthroughColorLutMETA)(XrPassthroughColorLutMETA colorLut, const XrPassthroughColorLutUpdateInfoMETA* updateInfo);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreatePassthroughColorLutMETA(
+    XrPassthroughFB                             passthrough,
+    const XrPassthroughColorLutCreateInfoMETA*  createInfo,
+    XrPassthroughColorLutMETA*                  colorLut);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyPassthroughColorLutMETA(
+    XrPassthroughColorLutMETA                   colorLut);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrUpdatePassthroughColorLutMETA(
+    XrPassthroughColorLutMETA                   colorLut,
+    const XrPassthroughColorLutUpdateInfoMETA*  updateInfo);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_META_spatial_entity_mesh is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_spatial_entity_mesh 1
+#define XR_META_spatial_entity_mesh_SPEC_VERSION 1
+#define XR_META_SPATIAL_ENTITY_MESH_EXTENSION_NAME "XR_META_spatial_entity_mesh"
+typedef struct XrSpaceTriangleMeshGetInfoMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrSpaceTriangleMeshGetInfoMETA;
+
+typedef struct XrSpaceTriangleMeshMETA {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              vertexCapacityInput;
+    uint32_t              vertexCountOutput;
+    XrVector3f*           vertices;
+    uint32_t              indexCapacityInput;
+    uint32_t              indexCountOutput;
+    uint32_t*             indices;
+} XrSpaceTriangleMeshMETA;
+
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpaceTriangleMeshMETA)(XrSpace space, const XrSpaceTriangleMeshGetInfoMETA* getInfo, XrSpaceTriangleMeshMETA* triangleMeshOutput);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpaceTriangleMeshMETA(
+    XrSpace                                     space,
+    const XrSpaceTriangleMeshGetInfoMETA*       getInfo,
+    XrSpaceTriangleMeshMETA*                    triangleMeshOutput);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_META_automatic_layer_filter is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_automatic_layer_filter 1
+#define XR_META_automatic_layer_filter_SPEC_VERSION 1
+#define XR_META_AUTOMATIC_LAYER_FILTER_EXTENSION_NAME "XR_META_automatic_layer_filter"
+
+
+// XR_META_body_tracking_full_body is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_body_tracking_full_body 1
+#define XR_META_body_tracking_full_body_SPEC_VERSION 1
+#define XR_META_BODY_TRACKING_FULL_BODY_EXTENSION_NAME "XR_META_body_tracking_full_body"
+
+typedef enum XrFullBodyJointMETA {
+    XR_FULL_BODY_JOINT_ROOT_META = 0,
+    XR_FULL_BODY_JOINT_HIPS_META = 1,
+    XR_FULL_BODY_JOINT_SPINE_LOWER_META = 2,
+    XR_FULL_BODY_JOINT_SPINE_MIDDLE_META = 3,
+    XR_FULL_BODY_JOINT_SPINE_UPPER_META = 4,
+    XR_FULL_BODY_JOINT_CHEST_META = 5,
+    XR_FULL_BODY_JOINT_NECK_META = 6,
+    XR_FULL_BODY_JOINT_HEAD_META = 7,
+    XR_FULL_BODY_JOINT_LEFT_SHOULDER_META = 8,
+    XR_FULL_BODY_JOINT_LEFT_SCAPULA_META = 9,
+    XR_FULL_BODY_JOINT_LEFT_ARM_UPPER_META = 10,
+    XR_FULL_BODY_JOINT_LEFT_ARM_LOWER_META = 11,
+    XR_FULL_BODY_JOINT_LEFT_HAND_WRIST_TWIST_META = 12,
+    XR_FULL_BODY_JOINT_RIGHT_SHOULDER_META = 13,
+    XR_FULL_BODY_JOINT_RIGHT_SCAPULA_META = 14,
+    XR_FULL_BODY_JOINT_RIGHT_ARM_UPPER_META = 15,
+    XR_FULL_BODY_JOINT_RIGHT_ARM_LOWER_META = 16,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_WRIST_TWIST_META = 17,
+    XR_FULL_BODY_JOINT_LEFT_HAND_PALM_META = 18,
+    XR_FULL_BODY_JOINT_LEFT_HAND_WRIST_META = 19,
+    XR_FULL_BODY_JOINT_LEFT_HAND_THUMB_METACARPAL_META = 20,
+    XR_FULL_BODY_JOINT_LEFT_HAND_THUMB_PROXIMAL_META = 21,
+    XR_FULL_BODY_JOINT_LEFT_HAND_THUMB_DISTAL_META = 22,
+    XR_FULL_BODY_JOINT_LEFT_HAND_THUMB_TIP_META = 23,
+    XR_FULL_BODY_JOINT_LEFT_HAND_INDEX_METACARPAL_META = 24,
+    XR_FULL_BODY_JOINT_LEFT_HAND_INDEX_PROXIMAL_META = 25,
+    XR_FULL_BODY_JOINT_LEFT_HAND_INDEX_INTERMEDIATE_META = 26,
+    XR_FULL_BODY_JOINT_LEFT_HAND_INDEX_DISTAL_META = 27,
+    XR_FULL_BODY_JOINT_LEFT_HAND_INDEX_TIP_META = 28,
+    XR_FULL_BODY_JOINT_LEFT_HAND_MIDDLE_METACARPAL_META = 29,
+    XR_FULL_BODY_JOINT_LEFT_HAND_MIDDLE_PROXIMAL_META = 30,
+    XR_FULL_BODY_JOINT_LEFT_HAND_MIDDLE_INTERMEDIATE_META = 31,
+    XR_FULL_BODY_JOINT_LEFT_HAND_MIDDLE_DISTAL_META = 32,
+    XR_FULL_BODY_JOINT_LEFT_HAND_MIDDLE_TIP_META = 33,
+    XR_FULL_BODY_JOINT_LEFT_HAND_RING_METACARPAL_META = 34,
+    XR_FULL_BODY_JOINT_LEFT_HAND_RING_PROXIMAL_META = 35,
+    XR_FULL_BODY_JOINT_LEFT_HAND_RING_INTERMEDIATE_META = 36,
+    XR_FULL_BODY_JOINT_LEFT_HAND_RING_DISTAL_META = 37,
+    XR_FULL_BODY_JOINT_LEFT_HAND_RING_TIP_META = 38,
+    XR_FULL_BODY_JOINT_LEFT_HAND_LITTLE_METACARPAL_META = 39,
+    XR_FULL_BODY_JOINT_LEFT_HAND_LITTLE_PROXIMAL_META = 40,
+    XR_FULL_BODY_JOINT_LEFT_HAND_LITTLE_INTERMEDIATE_META = 41,
+    XR_FULL_BODY_JOINT_LEFT_HAND_LITTLE_DISTAL_META = 42,
+    XR_FULL_BODY_JOINT_LEFT_HAND_LITTLE_TIP_META = 43,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_PALM_META = 44,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_WRIST_META = 45,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_THUMB_METACARPAL_META = 46,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_THUMB_PROXIMAL_META = 47,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_THUMB_DISTAL_META = 48,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_THUMB_TIP_META = 49,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_INDEX_METACARPAL_META = 50,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_INDEX_PROXIMAL_META = 51,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_INDEX_INTERMEDIATE_META = 52,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_INDEX_DISTAL_META = 53,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_INDEX_TIP_META = 54,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_MIDDLE_METACARPAL_META = 55,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_MIDDLE_PROXIMAL_META = 56,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_MIDDLE_INTERMEDIATE_META = 57,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_MIDDLE_DISTAL_META = 58,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_MIDDLE_TIP_META = 59,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_RING_METACARPAL_META = 60,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_RING_PROXIMAL_META = 61,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_RING_INTERMEDIATE_META = 62,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_RING_DISTAL_META = 63,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_RING_TIP_META = 64,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_LITTLE_METACARPAL_META = 65,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_LITTLE_PROXIMAL_META = 66,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_LITTLE_INTERMEDIATE_META = 67,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_LITTLE_DISTAL_META = 68,
+    XR_FULL_BODY_JOINT_RIGHT_HAND_LITTLE_TIP_META = 69,
+    XR_FULL_BODY_JOINT_LEFT_UPPER_LEG_META = 70,
+    XR_FULL_BODY_JOINT_LEFT_LOWER_LEG_META = 71,
+    XR_FULL_BODY_JOINT_LEFT_FOOT_ANKLE_TWIST_META = 72,
+    XR_FULL_BODY_JOINT_LEFT_FOOT_ANKLE_META = 73,
+    XR_FULL_BODY_JOINT_LEFT_FOOT_SUBTALAR_META = 74,
+    XR_FULL_BODY_JOINT_LEFT_FOOT_TRANSVERSE_META = 75,
+    XR_FULL_BODY_JOINT_LEFT_FOOT_BALL_META = 76,
+    XR_FULL_BODY_JOINT_RIGHT_UPPER_LEG_META = 77,
+    XR_FULL_BODY_JOINT_RIGHT_LOWER_LEG_META = 78,
+    XR_FULL_BODY_JOINT_RIGHT_FOOT_ANKLE_TWIST_META = 79,
+    XR_FULL_BODY_JOINT_RIGHT_FOOT_ANKLE_META = 80,
+    XR_FULL_BODY_JOINT_RIGHT_FOOT_SUBTALAR_META = 81,
+    XR_FULL_BODY_JOINT_RIGHT_FOOT_TRANSVERSE_META = 82,
+    XR_FULL_BODY_JOINT_RIGHT_FOOT_BALL_META = 83,
+    XR_FULL_BODY_JOINT_COUNT_META = 84,
+    XR_FULL_BODY_JOINT_NONE_META = 85,
+    XR_FULL_BODY_JOINT_MAX_ENUM_META = 0x7FFFFFFF
+} XrFullBodyJointMETA;
+// XrSystemPropertiesBodyTrackingFullBodyMETA extends XrSystemProperties
+typedef struct XrSystemPropertiesBodyTrackingFullBodyMETA {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsFullBodyTracking;
+} XrSystemPropertiesBodyTrackingFullBodyMETA;
+
+
+
+// XR_META_touch_controller_plus is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_touch_controller_plus 1
+#define XR_META_touch_controller_plus_SPEC_VERSION 1
+#define XR_META_TOUCH_CONTROLLER_PLUS_EXTENSION_NAME "XR_META_touch_controller_plus"
+
+
+// XR_META_passthrough_layer_resumed_event is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_passthrough_layer_resumed_event 1
+#define XR_META_passthrough_layer_resumed_event_SPEC_VERSION 1
+#define XR_META_PASSTHROUGH_LAYER_RESUMED_EVENT_EXTENSION_NAME "XR_META_passthrough_layer_resumed_event"
+typedef struct XrEventDataPassthroughLayerResumedMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrPassthroughLayerFB        layer;
+} XrEventDataPassthroughLayerResumedMETA;
+
+
+
+// XR_META_body_tracking_calibration is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_body_tracking_calibration 1
+#define XR_META_body_tracking_calibration_SPEC_VERSION 1
+#define XR_META_BODY_TRACKING_CALIBRATION_EXTENSION_NAME "XR_META_body_tracking_calibration"
+
+typedef enum XrBodyTrackingCalibrationStateMETA {
+    XR_BODY_TRACKING_CALIBRATION_STATE_VALID_META = 1,
+    XR_BODY_TRACKING_CALIBRATION_STATE_CALIBRATING_META = 2,
+    XR_BODY_TRACKING_CALIBRATION_STATE_INVALID_META = 3,
+    XR_BODY_TRACKING_CALIBRATION_STATE_MAX_ENUM_META = 0x7FFFFFFF
+} XrBodyTrackingCalibrationStateMETA;
+// XrBodyTrackingCalibrationStatusMETA extends XrBodyJointLocationsFB
+typedef struct XrBodyTrackingCalibrationStatusMETA {
+    XrStructureType                       type;
+    void* XR_MAY_ALIAS                    next;
+    XrBodyTrackingCalibrationStateMETA    status;
+} XrBodyTrackingCalibrationStatusMETA;
+
+typedef struct XrBodyTrackingCalibrationInfoMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    float                       bodyHeight;
+} XrBodyTrackingCalibrationInfoMETA;
+
+// XrSystemPropertiesBodyTrackingCalibrationMETA extends XrSystemProperties
+typedef struct XrSystemPropertiesBodyTrackingCalibrationMETA {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsHeightOverride;
+} XrSystemPropertiesBodyTrackingCalibrationMETA;
+
+typedef XrResult (XRAPI_PTR *PFN_xrSuggestBodyTrackingCalibrationOverrideMETA)(XrBodyTrackerFB bodyTracker, const XrBodyTrackingCalibrationInfoMETA* calibrationInfo);
+typedef XrResult (XRAPI_PTR *PFN_xrResetBodyTrackingCalibrationMETA)(XrBodyTrackerFB bodyTracker);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrSuggestBodyTrackingCalibrationOverrideMETA(
+    XrBodyTrackerFB                             bodyTracker,
+    const XrBodyTrackingCalibrationInfoMETA*    calibrationInfo);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrResetBodyTrackingCalibrationMETA(
+    XrBodyTrackerFB                             bodyTracker);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_META_body_tracking_fidelity is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_body_tracking_fidelity 1
+#define XR_META_body_tracking_fidelity_SPEC_VERSION 1
+#define XR_META_BODY_TRACKING_FIDELITY_EXTENSION_NAME "XR_META_body_tracking_fidelity"
+
+typedef enum XrBodyTrackingFidelityMETA {
+    XR_BODY_TRACKING_FIDELITY_LOW_META = 1,
+    XR_BODY_TRACKING_FIDELITY_HIGH_META = 2,
+    XR_BODY_TRACKING_FIDELITY_MAX_ENUM_META = 0x7FFFFFFF
+} XrBodyTrackingFidelityMETA;
+// XrSystemPropertiesBodyTrackingFidelityMETA extends XrSystemProperties
+typedef struct XrSystemPropertiesBodyTrackingFidelityMETA {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsBodyTrackingFidelity;
+} XrSystemPropertiesBodyTrackingFidelityMETA;
+
+// XrBodyTrackingFidelityStatusMETA extends XrBodyJointLocationsFB
+typedef struct XrBodyTrackingFidelityStatusMETA {
+    XrStructureType               type;
+    void* XR_MAY_ALIAS            next;
+    XrBodyTrackingFidelityMETA    fidelity;
+} XrBodyTrackingFidelityStatusMETA;
+
+typedef XrResult (XRAPI_PTR *PFN_xrRequestBodyTrackingFidelityMETA)(XrBodyTrackerFB bodyTracker, const XrBodyTrackingFidelityMETA fidelity);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrRequestBodyTrackingFidelityMETA(
+    XrBodyTrackerFB                             bodyTracker,
+    const XrBodyTrackingFidelityMETA            fidelity);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_FB_face_tracking2 is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_face_tracking2 1
+XR_DEFINE_HANDLE(XrFaceTracker2FB)
+#define XR_FB_face_tracking2_SPEC_VERSION 1
+#define XR_FB_FACE_TRACKING2_EXTENSION_NAME "XR_FB_face_tracking2"
+
+typedef enum XrFaceExpression2FB {
+    XR_FACE_EXPRESSION2_BROW_LOWERER_L_FB = 0,
+    XR_FACE_EXPRESSION2_BROW_LOWERER_R_FB = 1,
+    XR_FACE_EXPRESSION2_CHEEK_PUFF_L_FB = 2,
+    XR_FACE_EXPRESSION2_CHEEK_PUFF_R_FB = 3,
+    XR_FACE_EXPRESSION2_CHEEK_RAISER_L_FB = 4,
+    XR_FACE_EXPRESSION2_CHEEK_RAISER_R_FB = 5,
+    XR_FACE_EXPRESSION2_CHEEK_SUCK_L_FB = 6,
+    XR_FACE_EXPRESSION2_CHEEK_SUCK_R_FB = 7,
+    XR_FACE_EXPRESSION2_CHIN_RAISER_B_FB = 8,
+    XR_FACE_EXPRESSION2_CHIN_RAISER_T_FB = 9,
+    XR_FACE_EXPRESSION2_DIMPLER_L_FB = 10,
+    XR_FACE_EXPRESSION2_DIMPLER_R_FB = 11,
+    XR_FACE_EXPRESSION2_EYES_CLOSED_L_FB = 12,
+    XR_FACE_EXPRESSION2_EYES_CLOSED_R_FB = 13,
+    XR_FACE_EXPRESSION2_EYES_LOOK_DOWN_L_FB = 14,
+    XR_FACE_EXPRESSION2_EYES_LOOK_DOWN_R_FB = 15,
+    XR_FACE_EXPRESSION2_EYES_LOOK_LEFT_L_FB = 16,
+    XR_FACE_EXPRESSION2_EYES_LOOK_LEFT_R_FB = 17,
+    XR_FACE_EXPRESSION2_EYES_LOOK_RIGHT_L_FB = 18,
+    XR_FACE_EXPRESSION2_EYES_LOOK_RIGHT_R_FB = 19,
+    XR_FACE_EXPRESSION2_EYES_LOOK_UP_L_FB = 20,
+    XR_FACE_EXPRESSION2_EYES_LOOK_UP_R_FB = 21,
+    XR_FACE_EXPRESSION2_INNER_BROW_RAISER_L_FB = 22,
+    XR_FACE_EXPRESSION2_INNER_BROW_RAISER_R_FB = 23,
+    XR_FACE_EXPRESSION2_JAW_DROP_FB = 24,
+    XR_FACE_EXPRESSION2_JAW_SIDEWAYS_LEFT_FB = 25,
+    XR_FACE_EXPRESSION2_JAW_SIDEWAYS_RIGHT_FB = 26,
+    XR_FACE_EXPRESSION2_JAW_THRUST_FB = 27,
+    XR_FACE_EXPRESSION2_LID_TIGHTENER_L_FB = 28,
+    XR_FACE_EXPRESSION2_LID_TIGHTENER_R_FB = 29,
+    XR_FACE_EXPRESSION2_LIP_CORNER_DEPRESSOR_L_FB = 30,
+    XR_FACE_EXPRESSION2_LIP_CORNER_DEPRESSOR_R_FB = 31,
+    XR_FACE_EXPRESSION2_LIP_CORNER_PULLER_L_FB = 32,
+    XR_FACE_EXPRESSION2_LIP_CORNER_PULLER_R_FB = 33,
+    XR_FACE_EXPRESSION2_LIP_FUNNELER_LB_FB = 34,
+    XR_FACE_EXPRESSION2_LIP_FUNNELER_LT_FB = 35,
+    XR_FACE_EXPRESSION2_LIP_FUNNELER_RB_FB = 36,
+    XR_FACE_EXPRESSION2_LIP_FUNNELER_RT_FB = 37,
+    XR_FACE_EXPRESSION2_LIP_PRESSOR_L_FB = 38,
+    XR_FACE_EXPRESSION2_LIP_PRESSOR_R_FB = 39,
+    XR_FACE_EXPRESSION2_LIP_PUCKER_L_FB = 40,
+    XR_FACE_EXPRESSION2_LIP_PUCKER_R_FB = 41,
+    XR_FACE_EXPRESSION2_LIP_STRETCHER_L_FB = 42,
+    XR_FACE_EXPRESSION2_LIP_STRETCHER_R_FB = 43,
+    XR_FACE_EXPRESSION2_LIP_SUCK_LB_FB = 44,
+    XR_FACE_EXPRESSION2_LIP_SUCK_LT_FB = 45,
+    XR_FACE_EXPRESSION2_LIP_SUCK_RB_FB = 46,
+    XR_FACE_EXPRESSION2_LIP_SUCK_RT_FB = 47,
+    XR_FACE_EXPRESSION2_LIP_TIGHTENER_L_FB = 48,
+    XR_FACE_EXPRESSION2_LIP_TIGHTENER_R_FB = 49,
+    XR_FACE_EXPRESSION2_LIPS_TOWARD_FB = 50,
+    XR_FACE_EXPRESSION2_LOWER_LIP_DEPRESSOR_L_FB = 51,
+    XR_FACE_EXPRESSION2_LOWER_LIP_DEPRESSOR_R_FB = 52,
+    XR_FACE_EXPRESSION2_MOUTH_LEFT_FB = 53,
+    XR_FACE_EXPRESSION2_MOUTH_RIGHT_FB = 54,
+    XR_FACE_EXPRESSION2_NOSE_WRINKLER_L_FB = 55,
+    XR_FACE_EXPRESSION2_NOSE_WRINKLER_R_FB = 56,
+    XR_FACE_EXPRESSION2_OUTER_BROW_RAISER_L_FB = 57,
+    XR_FACE_EXPRESSION2_OUTER_BROW_RAISER_R_FB = 58,
+    XR_FACE_EXPRESSION2_UPPER_LID_RAISER_L_FB = 59,
+    XR_FACE_EXPRESSION2_UPPER_LID_RAISER_R_FB = 60,
+    XR_FACE_EXPRESSION2_UPPER_LIP_RAISER_L_FB = 61,
+    XR_FACE_EXPRESSION2_UPPER_LIP_RAISER_R_FB = 62,
+    XR_FACE_EXPRESSION2_TONGUE_TIP_INTERDENTAL_FB = 63,
+    XR_FACE_EXPRESSION2_TONGUE_TIP_ALVEOLAR_FB = 64,
+    XR_FACE_EXPRESSION2_TONGUE_FRONT_DORSAL_PALATE_FB = 65,
+    XR_FACE_EXPRESSION2_TONGUE_MID_DORSAL_PALATE_FB = 66,
+    XR_FACE_EXPRESSION2_TONGUE_BACK_DORSAL_VELAR_FB = 67,
+    XR_FACE_EXPRESSION2_TONGUE_OUT_FB = 68,
+    XR_FACE_EXPRESSION2_TONGUE_RETREAT_FB = 69,
+    XR_FACE_EXPRESSION2_COUNT_FB = 70,
+    XR_FACE_EXPRESSION_2FB_MAX_ENUM_FB = 0x7FFFFFFF
+} XrFaceExpression2FB;
+
+typedef enum XrFaceExpressionSet2FB {
+    XR_FACE_EXPRESSION_SET2_DEFAULT_FB = 0,
+    XR_FACE_EXPRESSION_SET_2FB_MAX_ENUM_FB = 0x7FFFFFFF
+} XrFaceExpressionSet2FB;
+
+typedef enum XrFaceTrackingDataSource2FB {
+    XR_FACE_TRACKING_DATA_SOURCE2_VISUAL_FB = 0,
+    XR_FACE_TRACKING_DATA_SOURCE2_AUDIO_FB = 1,
+    XR_FACE_TRACKING_DATA_SOURCE_2FB_MAX_ENUM_FB = 0x7FFFFFFF
+} XrFaceTrackingDataSource2FB;
+
+typedef enum XrFaceConfidence2FB {
+    XR_FACE_CONFIDENCE2_LOWER_FACE_FB = 0,
+    XR_FACE_CONFIDENCE2_UPPER_FACE_FB = 1,
+    XR_FACE_CONFIDENCE2_COUNT_FB = 2,
+    XR_FACE_CONFIDENCE_2FB_MAX_ENUM_FB = 0x7FFFFFFF
+} XrFaceConfidence2FB;
+// XrSystemFaceTrackingProperties2FB extends XrSystemProperties
+typedef struct XrSystemFaceTrackingProperties2FB {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsVisualFaceTracking;
+    XrBool32              supportsAudioFaceTracking;
+} XrSystemFaceTrackingProperties2FB;
+
+typedef struct XrFaceTrackerCreateInfo2FB {
+    XrStructureType                 type;
+    const void* XR_MAY_ALIAS        next;
+    XrFaceExpressionSet2FB          faceExpressionSet;
+    uint32_t                        requestedDataSourceCount;
+    XrFaceTrackingDataSource2FB*    requestedDataSources;
+} XrFaceTrackerCreateInfo2FB;
+
+typedef struct XrFaceExpressionInfo2FB {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrTime                      time;
+} XrFaceExpressionInfo2FB;
+
+typedef struct XrFaceExpressionWeights2FB {
+    XrStructureType                type;
+    void* XR_MAY_ALIAS             next;
+    uint32_t                       weightCount;
+    float*                         weights;
+    uint32_t                       confidenceCount;
+    float*                         confidences;
+    XrBool32                       isValid;
+    XrBool32                       isEyeFollowingBlendshapesValid;
+    XrFaceTrackingDataSource2FB    dataSource;
+    XrTime                         time;
+} XrFaceExpressionWeights2FB;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateFaceTracker2FB)(XrSession session, const XrFaceTrackerCreateInfo2FB* createInfo, XrFaceTracker2FB* faceTracker);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyFaceTracker2FB)(XrFaceTracker2FB faceTracker);
+typedef XrResult (XRAPI_PTR *PFN_xrGetFaceExpressionWeights2FB)(XrFaceTracker2FB faceTracker, const XrFaceExpressionInfo2FB* expressionInfo, XrFaceExpressionWeights2FB* expressionWeights);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateFaceTracker2FB(
+    XrSession                                   session,
+    const XrFaceTrackerCreateInfo2FB*           createInfo,
+    XrFaceTracker2FB*                           faceTracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyFaceTracker2FB(
+    XrFaceTracker2FB                            faceTracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetFaceExpressionWeights2FB(
+    XrFaceTracker2FB                            faceTracker,
+    const XrFaceExpressionInfo2FB*              expressionInfo,
+    XrFaceExpressionWeights2FB*                 expressionWeights);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_META_spatial_entity_sharing is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_spatial_entity_sharing 1
+#define XR_META_spatial_entity_sharing_SPEC_VERSION 1
+#define XR_META_SPATIAL_ENTITY_SHARING_EXTENSION_NAME "XR_META_spatial_entity_sharing"
+#define XR_MAX_SPACES_PER_SHARE_REQUEST_META 32
+// XrSystemSpatialEntitySharingPropertiesMETA extends XrSystemProperties
+typedef struct XrSystemSpatialEntitySharingPropertiesMETA {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsSpatialEntitySharing;
+} XrSystemSpatialEntitySharingPropertiesMETA;
+
+typedef struct XR_MAY_ALIAS XrShareSpacesRecipientBaseHeaderMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrShareSpacesRecipientBaseHeaderMETA;
+
+typedef struct XrShareSpacesInfoMETA {
+    XrStructureType                                type;
+    const void* XR_MAY_ALIAS                       next;
+    uint32_t                                       spaceCount;
+    XrSpace*                                       spaces;
+    const XrShareSpacesRecipientBaseHeaderMETA*    recipientInfo;
+} XrShareSpacesInfoMETA;
+
+typedef struct XrEventDataShareSpacesCompleteMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAsyncRequestIdFB          requestId;
+    XrResult                    result;
+} XrEventDataShareSpacesCompleteMETA;
+
+typedef XrResult (XRAPI_PTR *PFN_xrShareSpacesMETA)(XrSession session, const XrShareSpacesInfoMETA* info, XrAsyncRequestIdFB* requestId);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrShareSpacesMETA(
+    XrSession                                   session,
+    const XrShareSpacesInfoMETA*                info,
+    XrAsyncRequestIdFB*                         requestId);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_META_environment_depth is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_environment_depth 1
+XR_DEFINE_HANDLE(XrEnvironmentDepthProviderMETA)
+XR_DEFINE_HANDLE(XrEnvironmentDepthSwapchainMETA)
+#define XR_META_environment_depth_SPEC_VERSION 2
+#define XR_META_ENVIRONMENT_DEPTH_EXTENSION_NAME "XR_META_environment_depth"
+typedef XrFlags64 XrEnvironmentDepthProviderCreateFlagsMETA;
+
+// Flag bits for XrEnvironmentDepthProviderCreateFlagsMETA
+
+typedef XrFlags64 XrEnvironmentDepthSwapchainCreateFlagsMETA;
+
+// Flag bits for XrEnvironmentDepthSwapchainCreateFlagsMETA
+
+typedef struct XrEnvironmentDepthProviderCreateInfoMETA {
+    XrStructureType                              type;
+    const void* XR_MAY_ALIAS                     next;
+    XrEnvironmentDepthProviderCreateFlagsMETA    createFlags;
+} XrEnvironmentDepthProviderCreateInfoMETA;
+
+typedef struct XrEnvironmentDepthSwapchainCreateInfoMETA {
+    XrStructureType                               type;
+    const void* XR_MAY_ALIAS                      next;
+    XrEnvironmentDepthSwapchainCreateFlagsMETA    createFlags;
+} XrEnvironmentDepthSwapchainCreateInfoMETA;
+
+typedef struct XrEnvironmentDepthSwapchainStateMETA {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              width;
+    uint32_t              height;
+} XrEnvironmentDepthSwapchainStateMETA;
+
+typedef struct XrEnvironmentDepthImageAcquireInfoMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     space;
+    XrTime                      displayTime;
+} XrEnvironmentDepthImageAcquireInfoMETA;
+
+typedef struct XrEnvironmentDepthImageViewMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrFovf                      fov;
+    XrPosef                     pose;
+} XrEnvironmentDepthImageViewMETA;
+
+typedef struct XrEnvironmentDepthImageMETA {
+    XrStructureType                    type;
+    const void* XR_MAY_ALIAS           next;
+    uint32_t                           swapchainIndex;
+    float                              nearZ;
+    float                              farZ;
+    XrEnvironmentDepthImageViewMETA    views[2];
+} XrEnvironmentDepthImageMETA;
+
+// XrEnvironmentDepthImageTimestampMETA extends XrEnvironmentDepthImageMETA
+typedef struct XrEnvironmentDepthImageTimestampMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrTime                      captureTime;
+} XrEnvironmentDepthImageTimestampMETA;
+
+typedef struct XrEnvironmentDepthHandRemovalSetInfoMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrBool32                    enabled;
+} XrEnvironmentDepthHandRemovalSetInfoMETA;
+
+// XrSystemEnvironmentDepthPropertiesMETA extends XrSystemProperties
+typedef struct XrSystemEnvironmentDepthPropertiesMETA {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsEnvironmentDepth;
+    XrBool32              supportsHandRemoval;
+} XrSystemEnvironmentDepthPropertiesMETA;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateEnvironmentDepthProviderMETA)(XrSession session, const XrEnvironmentDepthProviderCreateInfoMETA* createInfo, XrEnvironmentDepthProviderMETA* environmentDepthProvider);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyEnvironmentDepthProviderMETA)(XrEnvironmentDepthProviderMETA environmentDepthProvider);
+typedef XrResult (XRAPI_PTR *PFN_xrStartEnvironmentDepthProviderMETA)(XrEnvironmentDepthProviderMETA environmentDepthProvider);
+typedef XrResult (XRAPI_PTR *PFN_xrStopEnvironmentDepthProviderMETA)(XrEnvironmentDepthProviderMETA environmentDepthProvider);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateEnvironmentDepthSwapchainMETA)(XrEnvironmentDepthProviderMETA environmentDepthProvider, const XrEnvironmentDepthSwapchainCreateInfoMETA* createInfo, XrEnvironmentDepthSwapchainMETA* swapchain);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyEnvironmentDepthSwapchainMETA)(XrEnvironmentDepthSwapchainMETA swapchain);
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateEnvironmentDepthSwapchainImagesMETA)(XrEnvironmentDepthSwapchainMETA swapchain, uint32_t imageCapacityInput, uint32_t* imageCountOutput, XrSwapchainImageBaseHeader* images);
+typedef XrResult (XRAPI_PTR *PFN_xrGetEnvironmentDepthSwapchainStateMETA)(XrEnvironmentDepthSwapchainMETA swapchain, XrEnvironmentDepthSwapchainStateMETA* state);
+typedef XrResult (XRAPI_PTR *PFN_xrAcquireEnvironmentDepthImageMETA)(XrEnvironmentDepthProviderMETA environmentDepthProvider, const XrEnvironmentDepthImageAcquireInfoMETA* acquireInfo, XrEnvironmentDepthImageMETA* environmentDepthImage);
+typedef XrResult (XRAPI_PTR *PFN_xrSetEnvironmentDepthHandRemovalMETA)(XrEnvironmentDepthProviderMETA environmentDepthProvider, const XrEnvironmentDepthHandRemovalSetInfoMETA* setInfo);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateEnvironmentDepthProviderMETA(
+    XrSession                                   session,
+    const XrEnvironmentDepthProviderCreateInfoMETA* createInfo,
+    XrEnvironmentDepthProviderMETA*             environmentDepthProvider);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyEnvironmentDepthProviderMETA(
+    XrEnvironmentDepthProviderMETA              environmentDepthProvider);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrStartEnvironmentDepthProviderMETA(
+    XrEnvironmentDepthProviderMETA              environmentDepthProvider);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrStopEnvironmentDepthProviderMETA(
+    XrEnvironmentDepthProviderMETA              environmentDepthProvider);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateEnvironmentDepthSwapchainMETA(
+    XrEnvironmentDepthProviderMETA              environmentDepthProvider,
+    const XrEnvironmentDepthSwapchainCreateInfoMETA* createInfo,
+    XrEnvironmentDepthSwapchainMETA*            swapchain);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyEnvironmentDepthSwapchainMETA(
+    XrEnvironmentDepthSwapchainMETA             swapchain);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateEnvironmentDepthSwapchainImagesMETA(
+    XrEnvironmentDepthSwapchainMETA             swapchain,
+    uint32_t                                    imageCapacityInput,
+    uint32_t*                                   imageCountOutput,
+    XrSwapchainImageBaseHeader*                 images);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetEnvironmentDepthSwapchainStateMETA(
+    XrEnvironmentDepthSwapchainMETA             swapchain,
+    XrEnvironmentDepthSwapchainStateMETA*       state);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrAcquireEnvironmentDepthImageMETA(
+    XrEnvironmentDepthProviderMETA              environmentDepthProvider,
+    const XrEnvironmentDepthImageAcquireInfoMETA* acquireInfo,
+    XrEnvironmentDepthImageMETA*                environmentDepthImage);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSetEnvironmentDepthHandRemovalMETA(
+    XrEnvironmentDepthProviderMETA              environmentDepthProvider,
+    const XrEnvironmentDepthHandRemovalSetInfoMETA* setInfo);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_EXT_uuid is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_uuid 1
+#define XR_EXT_uuid_SPEC_VERSION          1
+#define XR_EXT_UUID_EXTENSION_NAME        "XR_EXT_uuid"
+#define XR_UUID_SIZE_EXT                  16
+
+
+// XR_EXT_render_model is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_render_model 1
+XR_DEFINE_ATOM(XrRenderModelIdEXT)
+XR_DEFINE_HANDLE(XrRenderModelEXT)
+XR_DEFINE_HANDLE(XrRenderModelAssetEXT)
+#define XR_MAX_RENDER_MODEL_ASSET_NODE_NAME_SIZE_EXT 64
+#define XR_EXT_render_model_SPEC_VERSION  1
+#define XR_EXT_RENDER_MODEL_EXTENSION_NAME "XR_EXT_render_model"
+#define XR_NULL_RENDER_MODEL_ID_EXT       0
+typedef struct XrRenderModelCreateInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrRenderModelIdEXT          renderModelId;
+    uint32_t                    gltfExtensionCount;
+    const char* const*          gltfExtensions;
+} XrRenderModelCreateInfoEXT;
+
+typedef struct XrRenderModelPropertiesGetInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrRenderModelPropertiesGetInfoEXT;
+
+typedef struct XrRenderModelPropertiesEXT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrUuidEXT             cacheId;
+    uint32_t              animatableNodeCount;
+} XrRenderModelPropertiesEXT;
+
+typedef struct XrRenderModelSpaceCreateInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrRenderModelEXT            renderModel;
+} XrRenderModelSpaceCreateInfoEXT;
+
+typedef struct XrRenderModelStateGetInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrTime                      displayTime;
+} XrRenderModelStateGetInfoEXT;
+
+typedef struct XrRenderModelNodeStateEXT {
+    XrPosef     nodePose;
+    XrBool32    isVisible;
+} XrRenderModelNodeStateEXT;
+
+typedef struct XrRenderModelStateEXT {
+    XrStructureType               type;
+    void* XR_MAY_ALIAS            next;
+    uint32_t                      nodeStateCount;
+    XrRenderModelNodeStateEXT*    nodeStates;
+} XrRenderModelStateEXT;
+
+typedef struct XrRenderModelAssetCreateInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrUuidEXT                   cacheId;
+} XrRenderModelAssetCreateInfoEXT;
+
+typedef struct XrRenderModelAssetDataGetInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrRenderModelAssetDataGetInfoEXT;
+
+typedef struct XrRenderModelAssetDataEXT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              bufferCapacityInput;
+    uint32_t              bufferCountOutput;
+    uint8_t*              buffer;
+} XrRenderModelAssetDataEXT;
+
+typedef struct XrRenderModelAssetPropertiesGetInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrRenderModelAssetPropertiesGetInfoEXT;
+
+typedef struct XrRenderModelAssetNodePropertiesEXT {
+    char    uniqueName[XR_MAX_RENDER_MODEL_ASSET_NODE_NAME_SIZE_EXT];
+} XrRenderModelAssetNodePropertiesEXT;
+
+typedef struct XrRenderModelAssetPropertiesEXT {
+    XrStructureType                         type;
+    void* XR_MAY_ALIAS                      next;
+    uint32_t                                nodePropertyCount;
+    XrRenderModelAssetNodePropertiesEXT*    nodeProperties;
+} XrRenderModelAssetPropertiesEXT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateRenderModelEXT)(XrSession session, const XrRenderModelCreateInfoEXT* createInfo, XrRenderModelEXT* renderModel);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyRenderModelEXT)(XrRenderModelEXT renderModel);
+typedef XrResult (XRAPI_PTR *PFN_xrGetRenderModelPropertiesEXT)(XrRenderModelEXT renderModel, const XrRenderModelPropertiesGetInfoEXT* getInfo, XrRenderModelPropertiesEXT* properties);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateRenderModelSpaceEXT)(XrSession session, const XrRenderModelSpaceCreateInfoEXT* createInfo, XrSpace* space);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateRenderModelAssetEXT)(XrSession session, const XrRenderModelAssetCreateInfoEXT* createInfo, XrRenderModelAssetEXT* asset);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyRenderModelAssetEXT)(XrRenderModelAssetEXT asset);
+typedef XrResult (XRAPI_PTR *PFN_xrGetRenderModelAssetDataEXT)(XrRenderModelAssetEXT asset, const XrRenderModelAssetDataGetInfoEXT* getInfo, XrRenderModelAssetDataEXT* buffer);
+typedef XrResult (XRAPI_PTR *PFN_xrGetRenderModelAssetPropertiesEXT)(XrRenderModelAssetEXT asset, const XrRenderModelAssetPropertiesGetInfoEXT* getInfo, XrRenderModelAssetPropertiesEXT* properties);
+typedef XrResult (XRAPI_PTR *PFN_xrGetRenderModelStateEXT)(XrRenderModelEXT renderModel, const XrRenderModelStateGetInfoEXT* getInfo, XrRenderModelStateEXT* state);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateRenderModelEXT(
+    XrSession                                   session,
+    const XrRenderModelCreateInfoEXT*           createInfo,
+    XrRenderModelEXT*                           renderModel);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyRenderModelEXT(
+    XrRenderModelEXT                            renderModel);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetRenderModelPropertiesEXT(
+    XrRenderModelEXT                            renderModel,
+    const XrRenderModelPropertiesGetInfoEXT*    getInfo,
+    XrRenderModelPropertiesEXT*                 properties);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateRenderModelSpaceEXT(
+    XrSession                                   session,
+    const XrRenderModelSpaceCreateInfoEXT*      createInfo,
+    XrSpace*                                    space);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateRenderModelAssetEXT(
+    XrSession                                   session,
+    const XrRenderModelAssetCreateInfoEXT*      createInfo,
+    XrRenderModelAssetEXT*                      asset);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyRenderModelAssetEXT(
+    XrRenderModelAssetEXT                       asset);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetRenderModelAssetDataEXT(
+    XrRenderModelAssetEXT                       asset,
+    const XrRenderModelAssetDataGetInfoEXT*     getInfo,
+    XrRenderModelAssetDataEXT*                  buffer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetRenderModelAssetPropertiesEXT(
+    XrRenderModelAssetEXT                       asset,
+    const XrRenderModelAssetPropertiesGetInfoEXT* getInfo,
+    XrRenderModelAssetPropertiesEXT*            properties);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetRenderModelStateEXT(
+    XrRenderModelEXT                            renderModel,
+    const XrRenderModelStateGetInfoEXT*         getInfo,
+    XrRenderModelStateEXT*                      state);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_EXT_interaction_render_model is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_interaction_render_model 1
+#define XR_EXT_interaction_render_model_SPEC_VERSION 1
+#define XR_EXT_INTERACTION_RENDER_MODEL_EXTENSION_NAME "XR_EXT_interaction_render_model"
+typedef struct XrInteractionRenderModelIdsEnumerateInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrInteractionRenderModelIdsEnumerateInfoEXT;
+
+typedef struct XrInteractionRenderModelSubactionPathInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrInteractionRenderModelSubactionPathInfoEXT;
+
+typedef struct XrInteractionRenderModelTopLevelUserPathGetInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    topLevelUserPathCount;
+    const XrPath*               topLevelUserPaths;
+} XrInteractionRenderModelTopLevelUserPathGetInfoEXT;
+
+typedef struct XrEventDataInteractionRenderModelsChangedEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrEventDataInteractionRenderModelsChangedEXT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateInteractionRenderModelIdsEXT)(XrSession session, const XrInteractionRenderModelIdsEnumerateInfoEXT* getInfo, uint32_t renderModelIdCapacityInput, uint32_t* renderModelIdCountOutput, XrRenderModelIdEXT* renderModelIds);
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateRenderModelSubactionPathsEXT)(XrRenderModelEXT renderModel, const XrInteractionRenderModelSubactionPathInfoEXT* info, uint32_t pathCapacityInput, uint32_t* pathCountOutput, XrPath* paths);
+typedef XrResult (XRAPI_PTR *PFN_xrGetRenderModelPoseTopLevelUserPathEXT)(XrRenderModelEXT renderModel, const XrInteractionRenderModelTopLevelUserPathGetInfoEXT* info, XrPath* topLevelUserPath);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateInteractionRenderModelIdsEXT(
+    XrSession                                   session,
+    const XrInteractionRenderModelIdsEnumerateInfoEXT* getInfo,
+    uint32_t                                    renderModelIdCapacityInput,
+    uint32_t*                                   renderModelIdCountOutput,
+    XrRenderModelIdEXT*                         renderModelIds);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateRenderModelSubactionPathsEXT(
+    XrRenderModelEXT                            renderModel,
+    const XrInteractionRenderModelSubactionPathInfoEXT* info,
+    uint32_t                                    pathCapacityInput,
+    uint32_t*                                   pathCountOutput,
+    XrPath*                                     paths);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetRenderModelPoseTopLevelUserPathEXT(
+    XrRenderModelEXT                            renderModel,
+    const XrInteractionRenderModelTopLevelUserPathGetInfoEXT* info,
+    XrPath*                                     topLevelUserPath);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_EXT_hand_interaction is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_hand_interaction 1
+#define XR_EXT_hand_interaction_SPEC_VERSION 2
+#define XR_EXT_HAND_INTERACTION_EXTENSION_NAME "XR_EXT_hand_interaction"
+
+
+// XR_QCOM_tracking_optimization_settings is a preprocessor guard. Do not pass it to API calls.
+#define XR_QCOM_tracking_optimization_settings 1
+#define XR_QCOM_tracking_optimization_settings_SPEC_VERSION 2
+#define XR_QCOM_TRACKING_OPTIMIZATION_SETTINGS_EXTENSION_NAME "XR_QCOM_tracking_optimization_settings"
+
+typedef enum XrTrackingOptimizationSettingsDomainQCOM {
+    XR_TRACKING_OPTIMIZATION_SETTINGS_DOMAIN_ALL_QCOM = 1,
+    XR_TRACKING_OPTIMIZATION_SETTINGS_DOMAIN_MAX_ENUM_QCOM = 0x7FFFFFFF
+} XrTrackingOptimizationSettingsDomainQCOM;
+
+typedef enum XrTrackingOptimizationSettingsHintQCOM {
+    XR_TRACKING_OPTIMIZATION_SETTINGS_HINT_NONE_QCOM = 0,
+    XR_TRACKING_OPTIMIZATION_SETTINGS_HINT_LONG_RANGE_PRIORITIZATION_QCOM = 1,
+    XR_TRACKING_OPTIMIZATION_SETTINGS_HINT_CLOSE_RANGE_PRIORITIZATION_QCOM = 2,
+    XR_TRACKING_OPTIMIZATION_SETTINGS_HINT_LOW_POWER_PRIORITIZATION_QCOM = 3,
+    XR_TRACKING_OPTIMIZATION_SETTINGS_HINT_HIGH_POWER_PRIORITIZATION_QCOM = 4,
+    XR_TRACKING_OPTIMIZATION_SETTINGS_HINT_LONG_RANGE_PRIORIZATION_QCOM = XR_TRACKING_OPTIMIZATION_SETTINGS_HINT_LONG_RANGE_PRIORITIZATION_QCOM,
+    XR_TRACKING_OPTIMIZATION_SETTINGS_HINT_CLOSE_RANGE_PRIORIZATION_QCOM = XR_TRACKING_OPTIMIZATION_SETTINGS_HINT_CLOSE_RANGE_PRIORITIZATION_QCOM,
+    XR_TRACKING_OPTIMIZATION_SETTINGS_HINT_LOW_POWER_PRIORIZATION_QCOM = XR_TRACKING_OPTIMIZATION_SETTINGS_HINT_LOW_POWER_PRIORITIZATION_QCOM,
+    XR_TRACKING_OPTIMIZATION_SETTINGS_HINT_HIGH_POWER_PRIORIZATION_QCOM = XR_TRACKING_OPTIMIZATION_SETTINGS_HINT_HIGH_POWER_PRIORITIZATION_QCOM,
+    XR_TRACKING_OPTIMIZATION_SETTINGS_HINT_MAX_ENUM_QCOM = 0x7FFFFFFF
+} XrTrackingOptimizationSettingsHintQCOM;
+typedef XrResult (XRAPI_PTR *PFN_xrSetTrackingOptimizationSettingsHintQCOM)(XrSession session, XrTrackingOptimizationSettingsDomainQCOM domain, XrTrackingOptimizationSettingsHintQCOM hint);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrSetTrackingOptimizationSettingsHintQCOM(
+    XrSession                                   session,
+    XrTrackingOptimizationSettingsDomainQCOM    domain,
+    XrTrackingOptimizationSettingsHintQCOM      hint);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_QCOM_hand_tracking_gesture is a preprocessor guard. Do not pass it to API calls.
+#define XR_QCOM_hand_tracking_gesture 1
+#define XR_QCOM_hand_tracking_gesture_SPEC_VERSION 1
+#define XR_QCOM_HAND_TRACKING_GESTURE_EXTENSION_NAME "XR_QCOM_hand_tracking_gesture"
+
+typedef enum XrHandGestureTypeQCOM {
+    XR_HAND_GESTURE_TYPE_UNKNOWN_QCOM = -1,
+    XR_HAND_GESTURE_TYPE_OPEN_HAND_QCOM = 0,
+    XR_HAND_GESTURE_TYPE_GRAB_QCOM = 2,
+    XR_HAND_GESTURE_TYPE_PINCH_QCOM = 7,
+    XR_HAND_GESTURE_TYPE_MAX_ENUM_QCOM = 0x7FFFFFFF
+} XrHandGestureTypeQCOM;
+typedef struct XrHandGestureQCOM {
+    XrHandGestureTypeQCOM    gesture;
+    float                    gestureRatio;
+    float                    flipRatio;
+} XrHandGestureQCOM;
+
+typedef XrResult (XRAPI_PTR *PFN_xrGetHandGestureQCOM)(XrHandTrackerEXT handTracker, XrTime time, XrHandGestureQCOM* handGesture);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetHandGestureQCOM(
+    XrHandTrackerEXT                            handTracker,
+    XrTime                                      time,
+    XrHandGestureQCOM*                          handGesture);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_HTC_passthrough is a preprocessor guard. Do not pass it to API calls.
+#define XR_HTC_passthrough 1
+XR_DEFINE_HANDLE(XrPassthroughHTC)
+#define XR_HTC_passthrough_SPEC_VERSION   1
+#define XR_HTC_PASSTHROUGH_EXTENSION_NAME "XR_HTC_passthrough"
+
+typedef enum XrPassthroughFormHTC {
+    XR_PASSTHROUGH_FORM_PLANAR_HTC = 0,
+    XR_PASSTHROUGH_FORM_PROJECTED_HTC = 1,
+    XR_PASSTHROUGH_FORM_MAX_ENUM_HTC = 0x7FFFFFFF
+} XrPassthroughFormHTC;
+typedef struct XrPassthroughCreateInfoHTC {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrPassthroughFormHTC        form;
+} XrPassthroughCreateInfoHTC;
+
+typedef struct XrPassthroughColorHTC {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    float                       alpha;
+} XrPassthroughColorHTC;
+
+// XrPassthroughMeshTransformInfoHTC extends XrCompositionLayerPassthroughHTC
+typedef struct XrPassthroughMeshTransformInfoHTC {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    vertexCount;
+    const XrVector3f*           vertices;
+    uint32_t                    indexCount;
+    const uint32_t*             indices;
+    XrSpace                     baseSpace;
+    XrTime                      time;
+    XrPosef                     pose;
+    XrVector3f                  scale;
+} XrPassthroughMeshTransformInfoHTC;
+
+typedef struct XrCompositionLayerPassthroughHTC {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrCompositionLayerFlags     layerFlags;
+    XrSpace                     space;
+    XrPassthroughHTC            passthrough;
+    XrPassthroughColorHTC       color;
+} XrCompositionLayerPassthroughHTC;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreatePassthroughHTC)(XrSession session, const XrPassthroughCreateInfoHTC* createInfo, XrPassthroughHTC* passthrough);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyPassthroughHTC)(XrPassthroughHTC passthrough);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreatePassthroughHTC(
+    XrSession                                   session,
+    const XrPassthroughCreateInfoHTC*           createInfo,
+    XrPassthroughHTC*                           passthrough);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyPassthroughHTC(
+    XrPassthroughHTC                            passthrough);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_HTC_foveation is a preprocessor guard. Do not pass it to API calls.
+#define XR_HTC_foveation 1
+#define XR_HTC_foveation_SPEC_VERSION     1
+#define XR_HTC_FOVEATION_EXTENSION_NAME   "XR_HTC_foveation"
+
+typedef enum XrFoveationModeHTC {
+    XR_FOVEATION_MODE_DISABLE_HTC = 0,
+    XR_FOVEATION_MODE_FIXED_HTC = 1,
+    XR_FOVEATION_MODE_DYNAMIC_HTC = 2,
+    XR_FOVEATION_MODE_CUSTOM_HTC = 3,
+    XR_FOVEATION_MODE_MAX_ENUM_HTC = 0x7FFFFFFF
+} XrFoveationModeHTC;
+
+typedef enum XrFoveationLevelHTC {
+    XR_FOVEATION_LEVEL_NONE_HTC = 0,
+    XR_FOVEATION_LEVEL_LOW_HTC = 1,
+    XR_FOVEATION_LEVEL_MEDIUM_HTC = 2,
+    XR_FOVEATION_LEVEL_HIGH_HTC = 3,
+    XR_FOVEATION_LEVEL_MAX_ENUM_HTC = 0x7FFFFFFF
+} XrFoveationLevelHTC;
+typedef XrFlags64 XrFoveationDynamicFlagsHTC;
+
+// Flag bits for XrFoveationDynamicFlagsHTC
+static const XrFoveationDynamicFlagsHTC XR_FOVEATION_DYNAMIC_LEVEL_ENABLED_BIT_HTC = 0x00000001;
+static const XrFoveationDynamicFlagsHTC XR_FOVEATION_DYNAMIC_CLEAR_FOV_ENABLED_BIT_HTC = 0x00000002;
+static const XrFoveationDynamicFlagsHTC XR_FOVEATION_DYNAMIC_FOCAL_CENTER_OFFSET_ENABLED_BIT_HTC = 0x00000004;
+
+typedef struct XrFoveationApplyInfoHTC {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrFoveationModeHTC          mode;
+    uint32_t                    subImageCount;
+    XrSwapchainSubImage*        subImages;
+} XrFoveationApplyInfoHTC;
+
+typedef struct XrFoveationConfigurationHTC {
+    XrFoveationLevelHTC    level;
+    float                  clearFovDegree;
+    XrVector2f             focalCenterOffset;
+} XrFoveationConfigurationHTC;
+
+// XrFoveationDynamicModeInfoHTC extends XrFoveationApplyInfoHTC
+typedef struct XrFoveationDynamicModeInfoHTC {
+    XrStructureType               type;
+    const void* XR_MAY_ALIAS      next;
+    XrFoveationDynamicFlagsHTC    dynamicFlags;
+} XrFoveationDynamicModeInfoHTC;
+
+// XrFoveationCustomModeInfoHTC extends XrFoveationApplyInfoHTC
+typedef struct XrFoveationCustomModeInfoHTC {
+    XrStructureType                       type;
+    const void* XR_MAY_ALIAS              next;
+    uint32_t                              configCount;
+    const XrFoveationConfigurationHTC*    configs;
+} XrFoveationCustomModeInfoHTC;
+
+typedef XrResult (XRAPI_PTR *PFN_xrApplyFoveationHTC)(XrSession session, const XrFoveationApplyInfoHTC* applyInfo);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrApplyFoveationHTC(
+    XrSession                                   session,
+    const XrFoveationApplyInfoHTC*              applyInfo);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_HTC_anchor is a preprocessor guard. Do not pass it to API calls.
+#define XR_HTC_anchor 1
+#define XR_MAX_SPATIAL_ANCHOR_NAME_SIZE_HTC 256
+#define XR_HTC_anchor_SPEC_VERSION        1
+#define XR_HTC_ANCHOR_EXTENSION_NAME      "XR_HTC_anchor"
+// XrSystemAnchorPropertiesHTC extends XrSystemProperties
+typedef struct XrSystemAnchorPropertiesHTC {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsAnchor;
+} XrSystemAnchorPropertiesHTC;
+
+typedef struct XrSpatialAnchorNameHTC {
+    char    name[XR_MAX_SPATIAL_ANCHOR_NAME_SIZE_HTC];
+} XrSpatialAnchorNameHTC;
+
+typedef struct XrSpatialAnchorCreateInfoHTC {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     space;
+    XrPosef                     poseInSpace;
+    XrSpatialAnchorNameHTC      name;
+} XrSpatialAnchorCreateInfoHTC;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialAnchorHTC)(XrSession session, const XrSpatialAnchorCreateInfoHTC* createInfo, XrSpace* anchor);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpatialAnchorNameHTC)(XrSpace anchor, XrSpatialAnchorNameHTC* name);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialAnchorHTC(
+    XrSession                                   session,
+    const XrSpatialAnchorCreateInfoHTC*         createInfo,
+    XrSpace*                                    anchor);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpatialAnchorNameHTC(
+    XrSpace                                     anchor,
+    XrSpatialAnchorNameHTC*                     name);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_HTC_body_tracking is a preprocessor guard. Do not pass it to API calls.
+#define XR_HTC_body_tracking 1
+
+#define XR_BODY_JOINT_COUNT_HTC 26
+
+XR_DEFINE_HANDLE(XrBodyTrackerHTC)
+#define XR_HTC_body_tracking_SPEC_VERSION 1
+#define XR_HTC_BODY_TRACKING_EXTENSION_NAME "XR_HTC_body_tracking"
+
+typedef enum XrBodyJointHTC {
+    XR_BODY_JOINT_PELVIS_HTC = 0,
+    XR_BODY_JOINT_LEFT_HIP_HTC = 1,
+    XR_BODY_JOINT_LEFT_KNEE_HTC = 2,
+    XR_BODY_JOINT_LEFT_ANKLE_HTC = 3,
+    XR_BODY_JOINT_LEFT_FEET_HTC = 4,
+    XR_BODY_JOINT_RIGHT_HIP_HTC = 5,
+    XR_BODY_JOINT_RIGHT_KNEE_HTC = 6,
+    XR_BODY_JOINT_RIGHT_ANKLE_HTC = 7,
+    XR_BODY_JOINT_RIGHT_FEET_HTC = 8,
+    XR_BODY_JOINT_WAIST_HTC = 9,
+    XR_BODY_JOINT_SPINE_LOWER_HTC = 10,
+    XR_BODY_JOINT_SPINE_MIDDLE_HTC = 11,
+    XR_BODY_JOINT_SPINE_HIGH_HTC = 12,
+    XR_BODY_JOINT_CHEST_HTC = 13,
+    XR_BODY_JOINT_NECK_HTC = 14,
+    XR_BODY_JOINT_HEAD_HTC = 15,
+    XR_BODY_JOINT_LEFT_CLAVICLE_HTC = 16,
+    XR_BODY_JOINT_LEFT_SCAPULA_HTC = 17,
+    XR_BODY_JOINT_LEFT_ARM_HTC = 18,
+    XR_BODY_JOINT_LEFT_ELBOW_HTC = 19,
+    XR_BODY_JOINT_LEFT_WRIST_HTC = 20,
+    XR_BODY_JOINT_RIGHT_CLAVICLE_HTC = 21,
+    XR_BODY_JOINT_RIGHT_SCAPULA_HTC = 22,
+    XR_BODY_JOINT_RIGHT_ARM_HTC = 23,
+    XR_BODY_JOINT_RIGHT_ELBOW_HTC = 24,
+    XR_BODY_JOINT_RIGHT_WRIST_HTC = 25,
+    XR_BODY_JOINT_MAX_ENUM_HTC = 0x7FFFFFFF
+} XrBodyJointHTC;
+
+typedef enum XrBodyJointSetHTC {
+    XR_BODY_JOINT_SET_FULL_HTC = 0,
+    XR_BODY_JOINT_SET_MAX_ENUM_HTC = 0x7FFFFFFF
+} XrBodyJointSetHTC;
+
+typedef enum XrBodyJointConfidenceHTC {
+    XR_BODY_JOINT_CONFIDENCE_NONE_HTC = 0,
+    XR_BODY_JOINT_CONFIDENCE_LOW_HTC = 1,
+    XR_BODY_JOINT_CONFIDENCE_HIGH_HTC = 2,
+    XR_BODY_JOINT_CONFIDENCE_MAX_ENUM_HTC = 0x7FFFFFFF
+} XrBodyJointConfidenceHTC;
+// XrSystemBodyTrackingPropertiesHTC extends XrSystemProperties
+typedef struct XrSystemBodyTrackingPropertiesHTC {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsBodyTracking;
+} XrSystemBodyTrackingPropertiesHTC;
+
+typedef struct XrBodyTrackerCreateInfoHTC {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrBodyJointSetHTC           bodyJointSet;
+} XrBodyTrackerCreateInfoHTC;
+
+typedef struct XrBodyJointsLocateInfoHTC {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     baseSpace;
+    XrTime                      time;
+} XrBodyJointsLocateInfoHTC;
+
+typedef struct XrBodyJointLocationHTC {
+    XrSpaceLocationFlags    locationFlags;
+    XrPosef                 pose;
+} XrBodyJointLocationHTC;
+
+typedef struct XrBodyJointLocationsHTC {
+    XrStructureType             type;
+    void* XR_MAY_ALIAS          next;
+    XrSpaceLocationFlags        combinedLocationFlags;
+    XrBodyJointConfidenceHTC    confidenceLevel;
+    uint32_t                    jointLocationCount;
+    XrBodyJointLocationHTC*     jointLocations;
+    uint32_t                    skeletonGenerationId;
+} XrBodyJointLocationsHTC;
+
+typedef struct XrBodySkeletonJointHTC {
+    XrPosef    pose;
+} XrBodySkeletonJointHTC;
+
+typedef struct XrBodySkeletonHTC {
+    XrStructureType            type;
+    void* XR_MAY_ALIAS         next;
+    uint32_t                   jointCount;
+    XrBodySkeletonJointHTC*    joints;
+} XrBodySkeletonHTC;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateBodyTrackerHTC)(XrSession session, const XrBodyTrackerCreateInfoHTC* createInfo, XrBodyTrackerHTC* bodyTracker);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyBodyTrackerHTC)(XrBodyTrackerHTC bodyTracker);
+typedef XrResult (XRAPI_PTR *PFN_xrLocateBodyJointsHTC)(XrBodyTrackerHTC bodyTracker, const XrBodyJointsLocateInfoHTC* locateInfo, XrBodyJointLocationsHTC* locations);
+typedef XrResult (XRAPI_PTR *PFN_xrGetBodySkeletonHTC)(XrBodyTrackerHTC bodyTracker, XrSpace baseSpace, uint32_t skeletonGenerationId, XrBodySkeletonHTC* skeleton);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateBodyTrackerHTC(
+    XrSession                                   session,
+    const XrBodyTrackerCreateInfoHTC*           createInfo,
+    XrBodyTrackerHTC*                           bodyTracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyBodyTrackerHTC(
+    XrBodyTrackerHTC                            bodyTracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrLocateBodyJointsHTC(
+    XrBodyTrackerHTC                            bodyTracker,
+    const XrBodyJointsLocateInfoHTC*            locateInfo,
+    XrBodyJointLocationsHTC*                    locations);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetBodySkeletonHTC(
+    XrBodyTrackerHTC                            bodyTracker,
+    XrSpace                                     baseSpace,
+    uint32_t                                    skeletonGenerationId,
+    XrBodySkeletonHTC*                          skeleton);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_EXT_active_action_set_priority is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_active_action_set_priority 1
+#define XR_EXT_active_action_set_priority_SPEC_VERSION 1
+#define XR_EXT_ACTIVE_ACTION_SET_PRIORITY_EXTENSION_NAME "XR_EXT_active_action_set_priority"
+typedef struct XrActiveActionSetPriorityEXT {
+    XrActionSet    actionSet;
+    uint32_t       priorityOverride;
+} XrActiveActionSetPriorityEXT;
+
+// XrActiveActionSetPrioritiesEXT extends XrActionsSyncInfo
+typedef struct XrActiveActionSetPrioritiesEXT {
+    XrStructureType                        type;
+    const void* XR_MAY_ALIAS               next;
+    uint32_t                               actionSetPriorityCount;
+    const XrActiveActionSetPriorityEXT*    actionSetPriorities;
+} XrActiveActionSetPrioritiesEXT;
+
+
+
+// XR_MNDX_force_feedback_curl is a preprocessor guard. Do not pass it to API calls.
+#define XR_MNDX_force_feedback_curl 1
+#define XR_MNDX_force_feedback_curl_SPEC_VERSION 1
+#define XR_MNDX_FORCE_FEEDBACK_CURL_EXTENSION_NAME "XR_MNDX_force_feedback_curl"
+
+typedef enum XrForceFeedbackCurlLocationMNDX {
+    XR_FORCE_FEEDBACK_CURL_LOCATION_THUMB_CURL_MNDX = 0,
+    XR_FORCE_FEEDBACK_CURL_LOCATION_INDEX_CURL_MNDX = 1,
+    XR_FORCE_FEEDBACK_CURL_LOCATION_MIDDLE_CURL_MNDX = 2,
+    XR_FORCE_FEEDBACK_CURL_LOCATION_RING_CURL_MNDX = 3,
+    XR_FORCE_FEEDBACK_CURL_LOCATION_LITTLE_CURL_MNDX = 4,
+    XR_FORCE_FEEDBACK_CURL_LOCATION_MAX_ENUM_MNDX = 0x7FFFFFFF
+} XrForceFeedbackCurlLocationMNDX;
+// XrSystemForceFeedbackCurlPropertiesMNDX extends XrSystemProperties
+typedef struct XrSystemForceFeedbackCurlPropertiesMNDX {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsForceFeedbackCurl;
+} XrSystemForceFeedbackCurlPropertiesMNDX;
+
+typedef struct XrForceFeedbackCurlApplyLocationMNDX {
+    XrForceFeedbackCurlLocationMNDX    location;
+    float                              value;
+} XrForceFeedbackCurlApplyLocationMNDX;
+
+typedef struct XrForceFeedbackCurlApplyLocationsMNDX {
+    XrStructureType                          type;
+    const void* XR_MAY_ALIAS                 next;
+    uint32_t                                 locationCount;
+    XrForceFeedbackCurlApplyLocationMNDX*    locations;
+} XrForceFeedbackCurlApplyLocationsMNDX;
+
+typedef XrResult (XRAPI_PTR *PFN_xrApplyForceFeedbackCurlMNDX)(XrHandTrackerEXT handTracker, const XrForceFeedbackCurlApplyLocationsMNDX* locations);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrApplyForceFeedbackCurlMNDX(
+    XrHandTrackerEXT                            handTracker,
+    const XrForceFeedbackCurlApplyLocationsMNDX* locations);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_BD_controller_interaction is a preprocessor guard. Do not pass it to API calls.
+#define XR_BD_controller_interaction 1
+#define XR_BD_controller_interaction_SPEC_VERSION 2
+#define XR_BD_CONTROLLER_INTERACTION_EXTENSION_NAME "XR_BD_controller_interaction"
+
+
+// XR_BD_body_tracking is a preprocessor guard. Do not pass it to API calls.
+#define XR_BD_body_tracking 1
+
+#define XR_BODY_JOINT_COUNT_BD 24
+
+
+#define XR_BODY_JOINT_WITHOUT_ARM_COUNT_BD 16
+
+XR_DEFINE_HANDLE(XrBodyTrackerBD)
+#define XR_BD_body_tracking_SPEC_VERSION  1
+#define XR_BD_BODY_TRACKING_EXTENSION_NAME "XR_BD_body_tracking"
+
+typedef enum XrBodyJointBD {
+    XR_BODY_JOINT_PELVIS_BD = 0,
+    XR_BODY_JOINT_LEFT_HIP_BD = 1,
+    XR_BODY_JOINT_RIGHT_HIP_BD = 2,
+    XR_BODY_JOINT_SPINE1_BD = 3,
+    XR_BODY_JOINT_LEFT_KNEE_BD = 4,
+    XR_BODY_JOINT_RIGHT_KNEE_BD = 5,
+    XR_BODY_JOINT_SPINE2_BD = 6,
+    XR_BODY_JOINT_LEFT_ANKLE_BD = 7,
+    XR_BODY_JOINT_RIGHT_ANKLE_BD = 8,
+    XR_BODY_JOINT_SPINE3_BD = 9,
+    XR_BODY_JOINT_LEFT_FOOT_BD = 10,
+    XR_BODY_JOINT_RIGHT_FOOT_BD = 11,
+    XR_BODY_JOINT_NECK_BD = 12,
+    XR_BODY_JOINT_LEFT_COLLAR_BD = 13,
+    XR_BODY_JOINT_RIGHT_COLLAR_BD = 14,
+    XR_BODY_JOINT_HEAD_BD = 15,
+    XR_BODY_JOINT_LEFT_SHOULDER_BD = 16,
+    XR_BODY_JOINT_RIGHT_SHOULDER_BD = 17,
+    XR_BODY_JOINT_LEFT_ELBOW_BD = 18,
+    XR_BODY_JOINT_RIGHT_ELBOW_BD = 19,
+    XR_BODY_JOINT_LEFT_WRIST_BD = 20,
+    XR_BODY_JOINT_RIGHT_WRIST_BD = 21,
+    XR_BODY_JOINT_LEFT_HAND_BD = 22,
+    XR_BODY_JOINT_RIGHT_HAND_BD = 23,
+    XR_BODY_JOINT_MAX_ENUM_BD = 0x7FFFFFFF
+} XrBodyJointBD;
+
+typedef enum XrBodyJointSetBD {
+    XR_BODY_JOINT_SET_BODY_WITHOUT_ARM_BD = 1,
+    XR_BODY_JOINT_SET_FULL_BODY_JOINTS_BD = 2,
+    XR_BODY_JOINT_SET_MAX_ENUM_BD = 0x7FFFFFFF
+} XrBodyJointSetBD;
+// XrSystemBodyTrackingPropertiesBD extends XrSystemProperties
+typedef struct XrSystemBodyTrackingPropertiesBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsBodyTracking;
+} XrSystemBodyTrackingPropertiesBD;
+
+typedef struct XrBodyTrackerCreateInfoBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrBodyJointSetBD            jointSet;
+} XrBodyTrackerCreateInfoBD;
+
+typedef struct XrBodyJointsLocateInfoBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     baseSpace;
+    XrTime                      time;
+} XrBodyJointsLocateInfoBD;
+
+typedef struct XrBodyJointLocationBD {
+    XrSpaceLocationFlags    locationFlags;
+    XrPosef                 pose;
+} XrBodyJointLocationBD;
+
+typedef struct XrBodyJointLocationsBD {
+    XrStructureType           type;
+    void* XR_MAY_ALIAS        next;
+    XrBool32                  allJointPosesTracked;
+    uint32_t                  jointLocationCount;
+    XrBodyJointLocationBD*    jointLocations;
+} XrBodyJointLocationsBD;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateBodyTrackerBD)(XrSession session, const XrBodyTrackerCreateInfoBD* createInfo, XrBodyTrackerBD* bodyTracker);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyBodyTrackerBD)(XrBodyTrackerBD bodyTracker);
+typedef XrResult (XRAPI_PTR *PFN_xrLocateBodyJointsBD)(XrBodyTrackerBD bodyTracker, const XrBodyJointsLocateInfoBD* locateInfo, XrBodyJointLocationsBD* locations);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateBodyTrackerBD(
+    XrSession                                   session,
+    const XrBodyTrackerCreateInfoBD*            createInfo,
+    XrBodyTrackerBD*                            bodyTracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyBodyTrackerBD(
+    XrBodyTrackerBD                             bodyTracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrLocateBodyJointsBD(
+    XrBodyTrackerBD                             bodyTracker,
+    const XrBodyJointsLocateInfoBD*             locateInfo,
+    XrBodyJointLocationsBD*                     locations);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_BD_facial_simulation is a preprocessor guard. Do not pass it to API calls.
+#define XR_BD_facial_simulation 1
+
+#define XR_FACE_EXPRESSION_COUNT_BD 52
+
+
+#define XR_LIP_EXPRESSION_COUNT_BD 20
+
+ XR_DEFINE_HANDLE(XrFaceTrackerBD)
+#define XR_BD_facial_simulation_SPEC_VERSION 1
+#define XR_BD_FACIAL_SIMULATION_EXTENSION_NAME "XR_BD_facial_simulation"
+
+typedef enum XrFacialSimulationModeBD {
+    XR_FACIAL_SIMULATION_MODE_DEFAULT_BD = 0,
+    XR_FACIAL_SIMULATION_MODE_COMBINED_AUDIO_BD = 1,
+    XR_FACIAL_SIMULATION_MODE_COMBINED_AUDIO_WITH_LIP_BD = 2,
+    XR_FACIAL_SIMULATION_MODE_ONLY_AUDIO_WITH_LIP_BD = 3,
+    XR_FACIAL_SIMULATION_MODE_MAX_ENUM_BD = 0x7FFFFFFF
+} XrFacialSimulationModeBD;
+
+typedef enum XrFaceExpressionBD {
+    XR_FACE_EXPRESSION_BROW_DROP_L_BD = 0,
+    XR_FACE_EXPRESSION_BROW_DROP_R_BD = 1,
+    XR_FACE_EXPRESSION_BROW_INNER_UPWARDS_BD = 2,
+    XR_FACE_EXPRESSION_BROW_OUTER_UPWARDS_L_BD = 3,
+    XR_FACE_EXPRESSION_BROW_OUTER_UPWARDS_R_BD = 4,
+    XR_FACE_EXPRESSION_EYE_BLINK_L_BD = 5,
+    XR_FACE_EXPRESSION_EYE_LOOK_DROP_L_BD = 6,
+    XR_FACE_EXPRESSION_EYE_LOOK_IN_L_BD = 7,
+    XR_FACE_EXPRESSION_EYE_LOOK_OUT_L_BD = 8,
+    XR_FACE_EXPRESSION_EYE_LOOK_UPWARDS_L_BD = 9,
+    XR_FACE_EXPRESSION_EYE_LOOK_SQUINT_L_BD = 10,
+    XR_FACE_EXPRESSION_EYE_LOOK_WIDE_L_BD = 11,
+    XR_FACE_EXPRESSION_EYE_BLINK_R_BD = 12,
+    XR_FACE_EXPRESSION_EYE_LOOK_DROP_R_BD = 13,
+    XR_FACE_EXPRESSION_EYE_LOOK_IN_R_BD = 14,
+    XR_FACE_EXPRESSION_EYE_LOOK_OUT_R_BD = 15,
+    XR_FACE_EXPRESSION_EYE_LOOK_UPWARDS_R_BD = 16,
+    XR_FACE_EXPRESSION_EYE_LOOK_SQUINT_R_BD = 17,
+    XR_FACE_EXPRESSION_EYE_LOOK_WIDE_R_BD = 18,
+    XR_FACE_EXPRESSION_NOSE_SNEER_L_BD = 19,
+    XR_FACE_EXPRESSION_NOSE_SNEER_R_BD = 20,
+    XR_FACE_EXPRESSION_CHEEK_PUFF_BD = 21,
+    XR_FACE_EXPRESSION_CHEEK_SQUINT_L_BD = 22,
+    XR_FACE_EXPRESSION_CHEEK_SQUINT_R_BD = 23,
+    XR_FACE_EXPRESSION_MOUTH_CLOSE_BD = 24,
+    XR_FACE_EXPRESSION_MOUTH_FUNNEL_BD = 25,
+    XR_FACE_EXPRESSION_MOUTH_PUCKER_BD = 26,
+    XR_FACE_EXPRESSION_MOUTH_L_BD = 27,
+    XR_FACE_EXPRESSION_MOUTH_R_BD = 28,
+    XR_FACE_EXPRESSION_MOUTH_SMILE_L_BD = 29,
+    XR_FACE_EXPRESSION_MOUTH_SMILE_R_BD = 30,
+    XR_FACE_EXPRESSION_MOUTH_FROWN_L_BD = 31,
+    XR_FACE_EXPRESSION_MOUTH_FROWN_R_BD = 32,
+    XR_FACE_EXPRESSION_MOUTH_DIMPLE_L_BD = 33,
+    XR_FACE_EXPRESSION_MOUTH_DIMPLE_R_BD = 34,
+    XR_FACE_EXPRESSION_MOUTH_STRETCH_L_BD = 35,
+    XR_FACE_EXPRESSION_MOUTH_STRETCH_R_BD = 36,
+    XR_FACE_EXPRESSION_MOUTH_ROLL_LOWER_BD = 37,
+    XR_FACE_EXPRESSION_MOUTH_ROLL_UPPER_BD = 38,
+    XR_FACE_EXPRESSION_MOUTH_SHRUG_LOWER_BD = 39,
+    XR_FACE_EXPRESSION_MOUTH_SHRUG_UPPER_BD = 40,
+    XR_FACE_EXPRESSION_MOUTH_PRESS_L_BD = 41,
+    XR_FACE_EXPRESSION_MOUTH_PRESS_R_BD = 42,
+    XR_FACE_EXPRESSION_MOUTH_LOWER_DROP_L_BD = 43,
+    XR_FACE_EXPRESSION_MOUTH_LOWER_DROP_R_BD = 44,
+    XR_FACE_EXPRESSION_MOUTH_UPPER_UPWARDS_L_BD = 45,
+    XR_FACE_EXPRESSION_MOUTH_UPPER_UPWARDS_R_BD = 46,
+    XR_FACE_EXPRESSION_JAW_FORWARD_BD = 47,
+    XR_FACE_EXPRESSION_JAW_L_BD = 48,
+    XR_FACE_EXPRESSION_JAW_R_BD = 49,
+    XR_FACE_EXPRESSION_JAW_OPEN_BD = 50,
+    XR_FACE_EXPRESSION_TONGUE_OUT_BD = 51,
+    XR_FACE_EXPRESSION_MAX_ENUM_BD = 0x7FFFFFFF
+} XrFaceExpressionBD;
+
+typedef enum XrLipExpressionBD {
+    XR_LIP_EXPRESSION_PP_BD = 0,
+    XR_LIP_EXPRESSION_CH_BD = 1,
+    XR_LIP_EXPRESSION_LO_BD = 2,
+    XR_LIP_EXPRESSION_O_BD = 3,
+    XR_LIP_EXPRESSION_I_BD = 4,
+    XR_LIP_EXPRESSION_LU_BD = 5,
+    XR_LIP_EXPRESSION_RR_BD = 6,
+    XR_LIP_EXPRESSION_XX_BD = 7,
+    XR_LIP_EXPRESSION_LAA_BD = 8,
+    XR_LIP_EXPRESSION_LI_BD = 9,
+    XR_LIP_EXPRESSION_FF_BD = 10,
+    XR_LIP_EXPRESSION_U_BD = 11,
+    XR_LIP_EXPRESSION_TH_BD = 12,
+    XR_LIP_EXPRESSION_LKK_BD = 13,
+    XR_LIP_EXPRESSION_SS_BD = 14,
+    XR_LIP_EXPRESSION_LE_BD = 15,
+    XR_LIP_EXPRESSION_DD_BD = 16,
+    XR_LIP_EXPRESSION_E_BD = 17,
+    XR_LIP_EXPRESSION_LNN_BD = 18,
+    XR_LIP_EXPRESSION_SIL_BD = 19,
+    XR_LIP_EXPRESSION_MAX_ENUM_BD = 0x7FFFFFFF
+} XrLipExpressionBD;
+// XrSystemFacialSimulationPropertiesBD extends XrSystemProperties
+typedef struct XrSystemFacialSimulationPropertiesBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsFaceTracking;
+} XrSystemFacialSimulationPropertiesBD;
+
+typedef struct XrFaceTrackerCreateInfoBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrFacialSimulationModeBD    mode;
+} XrFaceTrackerCreateInfoBD;
+
+typedef struct XrFacialSimulationDataGetInfoBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrTime                      time;
+} XrFacialSimulationDataGetInfoBD;
+
+typedef struct XrFacialSimulationDataBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              faceExpressionWeightCount;
+    float*                faceExpressionWeights;
+    XrBool32              isUpperFaceDataValid;
+    XrBool32              isLowerFaceDataValid;
+    XrTime                time;
+} XrFacialSimulationDataBD;
+
+// XrLipExpressionDataBD extends XrFacialSimulationDataBD
+typedef struct XrLipExpressionDataBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              lipsyncExpressionWeightCount;
+    float*                lipsyncExpressionWeights;
+} XrLipExpressionDataBD;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateFacialSimulationModesBD)(XrSession session, uint32_t modeCapacityInput, uint32_t* modeCountOutput, XrFacialSimulationModeBD* modes);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateFaceTrackerBD)(XrSession session, const XrFaceTrackerCreateInfoBD* createInfo, XrFaceTrackerBD* tracker);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyFaceTrackerBD)(XrFaceTrackerBD tracker);
+typedef XrResult (XRAPI_PTR *PFN_xrGetFacialSimulationDataBD)(XrFaceTrackerBD tracker, const XrFacialSimulationDataGetInfoBD*info, XrFacialSimulationDataBD* facialData);
+typedef XrResult (XRAPI_PTR *PFN_xrSetFacialSimulationModeBD)(XrFaceTrackerBD tracker, XrFacialSimulationModeBD mode);
+typedef XrResult (XRAPI_PTR *PFN_xrGetFacialSimulationModeBD)(XrFaceTrackerBD tracker, XrFacialSimulationModeBD*mode);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateFacialSimulationModesBD(
+    XrSession                                   session,
+    uint32_t                                    modeCapacityInput,
+    uint32_t*                                   modeCountOutput,
+    XrFacialSimulationModeBD*                   modes);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateFaceTrackerBD(
+    XrSession                                   session,
+    const XrFaceTrackerCreateInfoBD*            createInfo,
+    XrFaceTrackerBD*                            tracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyFaceTrackerBD(
+    XrFaceTrackerBD                             tracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetFacialSimulationDataBD(
+    XrFaceTrackerBD                             tracker,
+    const XrFacialSimulationDataGetInfoBD*      info,
+    XrFacialSimulationDataBD*                   facialData);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSetFacialSimulationModeBD(
+    XrFaceTrackerBD                             tracker,
+    XrFacialSimulationModeBD                    mode);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetFacialSimulationModeBD(
+    XrFaceTrackerBD                             tracker,
+    XrFacialSimulationModeBD*                   mode);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_BD_spatial_sensing is a preprocessor guard. Do not pass it to API calls.
+#define XR_BD_spatial_sensing 1
+XR_DEFINE_ATOM(XrSpatialEntityIdBD)
+XR_DEFINE_HANDLE(XrSenseDataProviderBD)
+XR_DEFINE_HANDLE(XrSenseDataSnapshotBD)
+XR_DEFINE_HANDLE(XrAnchorBD)
+#define XR_BD_spatial_sensing_SPEC_VERSION 3
+#define XR_BD_SPATIAL_SENSING_EXTENSION_NAME "XR_BD_spatial_sensing"
+
+typedef enum XrSpatialEntityComponentTypeBD {
+    XR_SPATIAL_ENTITY_COMPONENT_TYPE_LOCATION_BD = 0,
+    XR_SPATIAL_ENTITY_COMPONENT_TYPE_SEMANTIC_BD = 1,
+    XR_SPATIAL_ENTITY_COMPONENT_TYPE_BOUNDING_BOX_2D_BD = 2,
+    XR_SPATIAL_ENTITY_COMPONENT_TYPE_POLYGON_BD = 3,
+    XR_SPATIAL_ENTITY_COMPONENT_TYPE_BOUNDING_BOX_3D_BD = 4,
+    XR_SPATIAL_ENTITY_COMPONENT_TYPE_TRIANGLE_MESH_BD = 5,
+    XR_SPATIAL_ENTITY_COMPONENT_TYPE_SPHERE_BD = 6,
+    XR_SPATIAL_ENTITY_COMPONENT_TYPE_PLANE_ORIENTATION_BD = 1000396000,
+    XR_SPATIAL_ENTITY_COMPONENT_TYPE_LIGHT_ESTIMATION_BD = 1000397000,
+    XR_SPATIAL_ENTITY_COMPONENT_TYPE_DYNAMIC_OBJECT_BD = 1000746000,
+    XR_SPATIAL_ENTITY_COMPONENT_TYPE_MAX_ENUM_BD = 0x7FFFFFFF
+} XrSpatialEntityComponentTypeBD;
+
+typedef enum XrSemanticLabelBD {
+    XR_SEMANTIC_LABEL_UNKNOWN_BD = 0,
+    XR_SEMANTIC_LABEL_FLOOR_BD = 1,
+    XR_SEMANTIC_LABEL_CEILING_BD = 2,
+    XR_SEMANTIC_LABEL_WALL_BD = 3,
+    XR_SEMANTIC_LABEL_DOOR_BD = 4,
+    XR_SEMANTIC_LABEL_WINDOW_BD = 5,
+    XR_SEMANTIC_LABEL_OPENING_BD = 6,
+    XR_SEMANTIC_LABEL_TABLE_BD = 7,
+    XR_SEMANTIC_LABEL_SOFA_BD = 8,
+    XR_SEMANTIC_LABEL_CHAIR_BD = 9,
+    XR_SEMANTIC_LABEL_HUMAN_BD = 10,
+    XR_SEMANTIC_LABEL_BEAM_BD = 11,
+    XR_SEMANTIC_LABEL_COLUMN_BD = 12,
+    XR_SEMANTIC_LABEL_CURTAIN_BD = 13,
+    XR_SEMANTIC_LABEL_CABINET_BD = 14,
+    XR_SEMANTIC_LABEL_BED_BD = 15,
+    XR_SEMANTIC_LABEL_PLANT_BD = 16,
+    XR_SEMANTIC_LABEL_SCREEN_BD = 17,
+    XR_SEMANTIC_LABEL_VIRTUAL_WALL_BD = 18,
+    XR_SEMANTIC_LABEL_REFRIGERATOR_BD = 19,
+    XR_SEMANTIC_LABEL_WASHING_MACHINE_BD = 20,
+    XR_SEMANTIC_LABEL_AIR_CONDITIONER_BD = 21,
+    XR_SEMANTIC_LABEL_LAMP_BD = 22,
+    XR_SEMANTIC_LABEL_WALL_ART_BD = 23,
+    XR_SEMANTIC_LABEL_STAIRWAY_BD = 24,
+    XR_SEMANTIC_LABEL_KEYBOARD_BD = 25,
+    XR_SEMANTIC_LABEL_MOUSE_BD = 26,
+    XR_SEMANTIC_LABEL_LAPTOP_BD = 27,
+    XR_SEMANTIC_LABEL_MAX_ENUM_BD = 0x7FFFFFFF
+} XrSemanticLabelBD;
+
+typedef enum XrSenseDataProviderTypeBD {
+    XR_SENSE_DATA_PROVIDER_TYPE_ANCHOR_BD = 1000390000,
+    XR_SENSE_DATA_PROVIDER_TYPE_SCENE_BD = 1000392000,
+    XR_SENSE_DATA_PROVIDER_TYPE_MESH_BD = 1000393000,
+    XR_SENSE_DATA_PROVIDER_TYPE_PLANE_BD = 1000396000,
+    XR_SENSE_DATA_PROVIDER_TYPE_LIGHT_ESTIMATION_BD = 1000397000,
+    XR_SENSE_DATA_PROVIDER_TYPE_DYNAMIC_OBJECT_BD = 1000746000,
+    XR_SENSE_DATA_PROVIDER_TYPE_MAX_ENUM_BD = 0x7FFFFFFF
+} XrSenseDataProviderTypeBD;
+
+typedef enum XrSenseDataProviderStateBD {
+    XR_SENSE_DATA_PROVIDER_STATE_INITIALIZED_BD = 0,
+    XR_SENSE_DATA_PROVIDER_STATE_RUNNING_BD = 1,
+    XR_SENSE_DATA_PROVIDER_STATE_STOPPED_BD = 2,
+    XR_SENSE_DATA_PROVIDER_STATE_MAX_ENUM_BD = 0x7FFFFFFF
+} XrSenseDataProviderStateBD;
+// XrSystemSpatialSensingPropertiesBD extends XrSystemProperties
+typedef struct XrSystemSpatialSensingPropertiesBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsSpatialSensing;
+} XrSystemSpatialSensingPropertiesBD;
+
+typedef struct XrSpatialEntityComponentGetInfoBD {
+    XrStructureType                   type;
+    const void* XR_MAY_ALIAS          next;
+    XrSpatialEntityIdBD               entityId;
+    XrSpatialEntityComponentTypeBD    componentType;
+} XrSpatialEntityComponentGetInfoBD;
+
+typedef struct XrSpatialEntityComponentDataBaseHeaderBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+} XrSpatialEntityComponentDataBaseHeaderBD;
+
+// XrSpatialEntityLocationGetInfoBD extends XrSpatialEntityComponentGetInfoBD
+typedef struct XrSpatialEntityLocationGetInfoBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     baseSpace;
+} XrSpatialEntityLocationGetInfoBD;
+
+// XrSpatialEntityComponentDataLocationBD extends XrSpatialEntityComponentDataBaseHeaderBD
+typedef struct XrSpatialEntityComponentDataLocationBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrSpaceLocation       location;
+} XrSpatialEntityComponentDataLocationBD;
+
+// XrSpatialEntityComponentDataSemanticBD extends XrSpatialEntityComponentDataBaseHeaderBD
+typedef struct XrSpatialEntityComponentDataSemanticBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              labelCapacityInput;
+    uint32_t              labelCountOutput;
+    XrSemanticLabelBD*    labels;
+} XrSpatialEntityComponentDataSemanticBD;
+
+// XrSpatialEntityComponentDataBoundingBox2DBD extends XrSpatialEntityComponentDataBaseHeaderBD
+typedef struct XrSpatialEntityComponentDataBoundingBox2DBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrRect2Df             boundingBox2D;
+} XrSpatialEntityComponentDataBoundingBox2DBD;
+
+// XrSpatialEntityComponentDataPolygonBD extends XrSpatialEntityComponentDataBaseHeaderBD
+typedef struct XrSpatialEntityComponentDataPolygonBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              vertexCapacityInput;
+    uint32_t              vertexCountOutput;
+    XrVector2f*           vertices;
+} XrSpatialEntityComponentDataPolygonBD;
+
+// XrSpatialEntityComponentDataBoundingBox3DBD extends XrSpatialEntityComponentDataBaseHeaderBD
+typedef struct XrSpatialEntityComponentDataBoundingBox3DBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBoxf                boundingBox3D;
+} XrSpatialEntityComponentDataBoundingBox3DBD;
+
+// XrSpatialEntityComponentDataTriangleMeshBD extends XrSpatialEntityComponentDataBaseHeaderBD
+typedef struct XrSpatialEntityComponentDataTriangleMeshBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              vertexCapacityInput;
+    uint32_t              vertexCountOutput;
+    XrVector3f*           vertices;
+    uint32_t              indexCapacityInput;
+    uint32_t              indexCountOutput;
+    uint16_t*             indices;
+} XrSpatialEntityComponentDataTriangleMeshBD;
+
+// XrSpatialEntityComponentDataSphereBD extends XrSpatialEntityComponentDataBaseHeaderBD
+typedef struct XrSpatialEntityComponentDataSphereBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrSpheref             sphere;
+} XrSpatialEntityComponentDataSphereBD;
+
+typedef struct XrSenseDataProviderCreateInfoBD {
+    XrStructureType              type;
+    const void* XR_MAY_ALIAS     next;
+    XrSenseDataProviderTypeBD    providerType;
+} XrSenseDataProviderCreateInfoBD;
+
+typedef struct XrSenseDataProviderStartInfoBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrSenseDataProviderStartInfoBD;
+
+typedef struct XrEventDataSenseDataProviderStateChangedBD {
+    XrStructureType               type;
+    const void* XR_MAY_ALIAS      next;
+    XrSenseDataProviderBD         provider;
+    XrSenseDataProviderStateBD    newState;
+} XrEventDataSenseDataProviderStateChangedBD;
+
+typedef struct XrEventDataSenseDataUpdatedBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSenseDataProviderBD       provider;
+} XrEventDataSenseDataUpdatedBD;
+
+typedef struct XrSenseDataQueryInfoBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrSenseDataQueryInfoBD;
+
+typedef struct XrSenseDataQueryCompletionBD {
+    XrStructureType          type;
+    void* XR_MAY_ALIAS       next;
+    XrResult                 futureResult;
+    XrSenseDataSnapshotBD    snapshot;
+} XrSenseDataQueryCompletionBD;
+
+typedef struct XrQueriedSenseDataGetInfoBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrQueriedSenseDataGetInfoBD;
+
+typedef struct XrSpatialEntityStateBD {
+    XrStructureType        type;
+    void* XR_MAY_ALIAS     next;
+    XrSpatialEntityIdBD    entityId;
+    XrTime                 lastUpdateTime;
+    XrUuidEXT              uuid;
+} XrSpatialEntityStateBD;
+
+typedef struct XrQueriedSenseDataBD {
+    XrStructureType            type;
+    void* XR_MAY_ALIAS         next;
+    uint32_t                   stateCapacityInput;
+    uint32_t                   stateCountOutput;
+    XrSpatialEntityStateBD*    states;
+} XrQueriedSenseDataBD;
+
+// XrSenseDataFilterUuidBD extends XrSenseDataQueryInfoBD
+typedef struct XrSenseDataFilterUuidBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    uuidCount;
+    const XrUuidEXT*            uuids;
+} XrSenseDataFilterUuidBD;
+
+// XrSenseDataFilterSemanticBD extends XrSenseDataQueryInfoBD
+typedef struct XrSenseDataFilterSemanticBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    labelCount;
+    const XrSemanticLabelBD*    labels;
+} XrSenseDataFilterSemanticBD;
+
+typedef struct XrSpatialEntityAnchorCreateInfoBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSenseDataSnapshotBD       snapshot;
+    XrSpatialEntityIdBD         entityId;
+} XrSpatialEntityAnchorCreateInfoBD;
+
+typedef struct XrAnchorSpaceCreateInfoBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAnchorBD                  anchor;
+    XrPosef                     poseInAnchorSpace;
+} XrAnchorSpaceCreateInfoBD;
+
+typedef struct XrFutureCompletionEXT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrResult              futureResult;
+} XrFutureCompletionEXT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateSpatialEntityComponentTypesBD)(XrSenseDataSnapshotBD snapshot, XrSpatialEntityIdBD entityId, uint32_t componentTypeCapacityInput, uint32_t* componentTypeCountOutput, XrSpatialEntityComponentTypeBD* componentTypes);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpatialEntityUuidBD)(XrSenseDataSnapshotBD snapshot, XrSpatialEntityIdBD entityId, XrUuidEXT* uuid);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpatialEntityComponentDataBD)(XrSenseDataSnapshotBD snapshot, const XrSpatialEntityComponentGetInfoBD* getInfo, XrSpatialEntityComponentDataBaseHeaderBD* componentData);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSenseDataProviderBD)(XrSession session, const XrSenseDataProviderCreateInfoBD* createInfo, XrSenseDataProviderBD* provider);
+typedef XrResult (XRAPI_PTR *PFN_xrStartSenseDataProviderAsyncBD)(XrSenseDataProviderBD provider, const XrSenseDataProviderStartInfoBD* startInfo, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrStartSenseDataProviderCompleteBD)(XrSession session, XrFutureEXT future, XrFutureCompletionEXT* completion);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSenseDataProviderStateBD)(XrSenseDataProviderBD provider, XrSenseDataProviderStateBD* state);
+typedef XrResult (XRAPI_PTR *PFN_xrQuerySenseDataAsyncBD)(XrSenseDataProviderBD provider, const XrSenseDataQueryInfoBD* queryInfo, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrQuerySenseDataCompleteBD)(XrSenseDataProviderBD provider, XrFutureEXT future, XrSenseDataQueryCompletionBD* completion);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroySenseDataSnapshotBD)(XrSenseDataSnapshotBD snapshot);
+typedef XrResult (XRAPI_PTR *PFN_xrGetQueriedSenseDataBD)(XrSenseDataSnapshotBD snapshot, XrQueriedSenseDataGetInfoBD* getInfo, XrQueriedSenseDataBD* queriedSenseData);
+typedef XrResult (XRAPI_PTR *PFN_xrStopSenseDataProviderBD)(XrSenseDataProviderBD provider);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroySenseDataProviderBD)(XrSenseDataProviderBD provider);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialEntityAnchorBD)(XrSenseDataProviderBD provider, const XrSpatialEntityAnchorCreateInfoBD* createInfo, XrAnchorBD* anchor);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyAnchorBD)(XrAnchorBD anchor);
+typedef XrResult (XRAPI_PTR *PFN_xrGetAnchorUuidBD)(XrAnchorBD anchor, XrUuidEXT* uuid);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateAnchorSpaceBD)(XrSession session, const XrAnchorSpaceCreateInfoBD* createInfo, XrSpace* space);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateSpatialEntityComponentTypesBD(
+    XrSenseDataSnapshotBD                       snapshot,
+    XrSpatialEntityIdBD                         entityId,
+    uint32_t                                    componentTypeCapacityInput,
+    uint32_t*                                   componentTypeCountOutput,
+    XrSpatialEntityComponentTypeBD*             componentTypes);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpatialEntityUuidBD(
+    XrSenseDataSnapshotBD                       snapshot,
+    XrSpatialEntityIdBD                         entityId,
+    XrUuidEXT*                                  uuid);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpatialEntityComponentDataBD(
+    XrSenseDataSnapshotBD                       snapshot,
+    const XrSpatialEntityComponentGetInfoBD*    getInfo,
+    XrSpatialEntityComponentDataBaseHeaderBD*   componentData);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSenseDataProviderBD(
+    XrSession                                   session,
+    const XrSenseDataProviderCreateInfoBD*      createInfo,
+    XrSenseDataProviderBD*                      provider);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrStartSenseDataProviderAsyncBD(
+    XrSenseDataProviderBD                       provider,
+    const XrSenseDataProviderStartInfoBD*       startInfo,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrStartSenseDataProviderCompleteBD(
+    XrSession                                   session,
+    XrFutureEXT                                 future,
+    XrFutureCompletionEXT*                      completion);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSenseDataProviderStateBD(
+    XrSenseDataProviderBD                       provider,
+    XrSenseDataProviderStateBD*                 state);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrQuerySenseDataAsyncBD(
+    XrSenseDataProviderBD                       provider,
+    const XrSenseDataQueryInfoBD*               queryInfo,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrQuerySenseDataCompleteBD(
+    XrSenseDataProviderBD                       provider,
+    XrFutureEXT                                 future,
+    XrSenseDataQueryCompletionBD*               completion);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroySenseDataSnapshotBD(
+    XrSenseDataSnapshotBD                       snapshot);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetQueriedSenseDataBD(
+    XrSenseDataSnapshotBD                       snapshot,
+    XrQueriedSenseDataGetInfoBD*                getInfo,
+    XrQueriedSenseDataBD*                       queriedSenseData);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrStopSenseDataProviderBD(
+    XrSenseDataProviderBD                       provider);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroySenseDataProviderBD(
+    XrSenseDataProviderBD                       provider);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialEntityAnchorBD(
+    XrSenseDataProviderBD                       provider,
+    const XrSpatialEntityAnchorCreateInfoBD*    createInfo,
+    XrAnchorBD*                                 anchor);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyAnchorBD(
+    XrAnchorBD                                  anchor);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetAnchorUuidBD(
+    XrAnchorBD                                  anchor,
+    XrUuidEXT*                                  uuid);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateAnchorSpaceBD(
+    XrSession                                   session,
+    const XrAnchorSpaceCreateInfoBD*            createInfo,
+    XrSpace*                                    space);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_BD_spatial_anchor is a preprocessor guard. Do not pass it to API calls.
+#define XR_BD_spatial_anchor 1
+#define XR_BD_spatial_anchor_SPEC_VERSION 2
+#define XR_BD_SPATIAL_ANCHOR_EXTENSION_NAME "XR_BD_spatial_anchor"
+
+typedef enum XrPersistenceLocationBD {
+    XR_PERSISTENCE_LOCATION_LOCAL_BD = 0,
+    XR_PERSISTENCE_LOCATION_MAX_ENUM_BD = 0x7FFFFFFF
+} XrPersistenceLocationBD;
+// XrSystemSpatialAnchorPropertiesBD extends XrSystemProperties
+typedef struct XrSystemSpatialAnchorPropertiesBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsSpatialAnchor;
+} XrSystemSpatialAnchorPropertiesBD;
+
+typedef struct XrSpatialAnchorCreateInfoBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     space;
+    XrPosef                     pose;
+    XrTime                      time;
+} XrSpatialAnchorCreateInfoBD;
+
+typedef struct XrSpatialAnchorCreateCompletionBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrResult              futureResult;
+    XrUuidEXT             uuid;
+    XrAnchorBD            anchor;
+} XrSpatialAnchorCreateCompletionBD;
+
+typedef struct XrSpatialAnchorPersistInfoBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrPersistenceLocationBD     location;
+    XrAnchorBD                  anchor;
+} XrSpatialAnchorPersistInfoBD;
+
+typedef struct XrSpatialAnchorUnpersistInfoBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrPersistenceLocationBD     location;
+    XrAnchorBD                  anchor;
+} XrSpatialAnchorUnpersistInfoBD;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialAnchorAsyncBD)(XrSenseDataProviderBD provider, const XrSpatialAnchorCreateInfoBD* info, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialAnchorCompleteBD)(XrSenseDataProviderBD provider, XrFutureEXT future, XrSpatialAnchorCreateCompletionBD* completion);
+typedef XrResult (XRAPI_PTR *PFN_xrPersistSpatialAnchorAsyncBD)(XrSenseDataProviderBD provider, const XrSpatialAnchorPersistInfoBD* info, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrPersistSpatialAnchorCompleteBD)(XrSenseDataProviderBD provider, XrFutureEXT future, XrFutureCompletionEXT* completion);
+typedef XrResult (XRAPI_PTR *PFN_xrUnpersistSpatialAnchorAsyncBD)(XrSenseDataProviderBD provider, const XrSpatialAnchorUnpersistInfoBD* info, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrUnpersistSpatialAnchorCompleteBD)(XrSenseDataProviderBD provider, XrFutureEXT future, XrFutureCompletionEXT* completion);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialAnchorAsyncBD(
+    XrSenseDataProviderBD                       provider,
+    const XrSpatialAnchorCreateInfoBD*          info,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialAnchorCompleteBD(
+    XrSenseDataProviderBD                       provider,
+    XrFutureEXT                                 future,
+    XrSpatialAnchorCreateCompletionBD*          completion);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrPersistSpatialAnchorAsyncBD(
+    XrSenseDataProviderBD                       provider,
+    const XrSpatialAnchorPersistInfoBD*         info,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrPersistSpatialAnchorCompleteBD(
+    XrSenseDataProviderBD                       provider,
+    XrFutureEXT                                 future,
+    XrFutureCompletionEXT*                      completion);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrUnpersistSpatialAnchorAsyncBD(
+    XrSenseDataProviderBD                       provider,
+    const XrSpatialAnchorUnpersistInfoBD*       info,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrUnpersistSpatialAnchorCompleteBD(
+    XrSenseDataProviderBD                       provider,
+    XrFutureEXT                                 future,
+    XrFutureCompletionEXT*                      completion);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_BD_spatial_anchor_sharing is a preprocessor guard. Do not pass it to API calls.
+#define XR_BD_spatial_anchor_sharing 1
+#define XR_BD_spatial_anchor_sharing_SPEC_VERSION 2
+#define XR_BD_SPATIAL_ANCHOR_SHARING_EXTENSION_NAME "XR_BD_spatial_anchor_sharing"
+// XrSystemSpatialAnchorSharingPropertiesBD extends XrSystemProperties
+typedef struct XrSystemSpatialAnchorSharingPropertiesBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsSpatialAnchorSharing;
+} XrSystemSpatialAnchorSharingPropertiesBD;
+
+typedef struct XrSpatialAnchorShareInfoBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAnchorBD                  anchor;
+} XrSpatialAnchorShareInfoBD;
+
+typedef struct XrSharedSpatialAnchorDownloadInfoBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrUuidEXT                   uuid;
+} XrSharedSpatialAnchorDownloadInfoBD;
+
+typedef XrResult (XRAPI_PTR *PFN_xrShareSpatialAnchorAsyncBD)(XrSenseDataProviderBD provider, const XrSpatialAnchorShareInfoBD* info, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrShareSpatialAnchorCompleteBD)(XrSenseDataProviderBD provider, XrFutureEXT future, XrFutureCompletionEXT* completion);
+typedef XrResult (XRAPI_PTR *PFN_xrDownloadSharedSpatialAnchorAsyncBD)(XrSenseDataProviderBD provider, const XrSharedSpatialAnchorDownloadInfoBD* info, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrDownloadSharedSpatialAnchorCompleteBD)(XrSenseDataProviderBD provider, XrFutureEXT future, XrFutureCompletionEXT* completion);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrShareSpatialAnchorAsyncBD(
+    XrSenseDataProviderBD                       provider,
+    const XrSpatialAnchorShareInfoBD*           info,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrShareSpatialAnchorCompleteBD(
+    XrSenseDataProviderBD                       provider,
+    XrFutureEXT                                 future,
+    XrFutureCompletionEXT*                      completion);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDownloadSharedSpatialAnchorAsyncBD(
+    XrSenseDataProviderBD                       provider,
+    const XrSharedSpatialAnchorDownloadInfoBD*  info,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDownloadSharedSpatialAnchorCompleteBD(
+    XrSenseDataProviderBD                       provider,
+    XrFutureEXT                                 future,
+    XrFutureCompletionEXT*                      completion);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_BD_spatial_scene is a preprocessor guard. Do not pass it to API calls.
+#define XR_BD_spatial_scene 1
+#define XR_BD_spatial_scene_SPEC_VERSION  1
+#define XR_BD_SPATIAL_SCENE_EXTENSION_NAME "XR_BD_spatial_scene"
+// XrSystemSpatialScenePropertiesBD extends XrSystemProperties
+typedef struct XrSystemSpatialScenePropertiesBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsSpatialScene;
+} XrSystemSpatialScenePropertiesBD;
+
+typedef struct XrSceneCaptureInfoBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrSceneCaptureInfoBD;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCaptureSceneAsyncBD)(XrSenseDataProviderBD provider, const XrSceneCaptureInfoBD* info, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrCaptureSceneCompleteBD)(XrSenseDataProviderBD provider, XrFutureEXT future, XrFutureCompletionEXT* completion);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCaptureSceneAsyncBD(
+    XrSenseDataProviderBD                       provider,
+    const XrSceneCaptureInfoBD*                 info,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCaptureSceneCompleteBD(
+    XrSenseDataProviderBD                       provider,
+    XrFutureEXT                                 future,
+    XrFutureCompletionEXT*                      completion);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_BD_spatial_mesh is a preprocessor guard. Do not pass it to API calls.
+#define XR_BD_spatial_mesh 1
+#define XR_BD_spatial_mesh_SPEC_VERSION   1
+#define XR_BD_SPATIAL_MESH_EXTENSION_NAME "XR_BD_spatial_mesh"
+
+typedef enum XrSpatialMeshLodBD {
+    XR_SPATIAL_MESH_LOD_COARSE_BD = 0,
+    XR_SPATIAL_MESH_LOD_MEDIUM_BD = 1,
+    XR_SPATIAL_MESH_LOD_FINE_BD = 2,
+    XR_SPATIAL_MESH_LOD_MAX_ENUM_BD = 0x7FFFFFFF
+} XrSpatialMeshLodBD;
+typedef XrFlags64 XrSpatialMeshConfigFlagsBD;
+
+// Flag bits for XrSpatialMeshConfigFlagsBD
+static const XrSpatialMeshConfigFlagsBD XR_SPATIAL_MESH_CONFIG_SEMANTIC_BIT_BD = 0x00000001;
+static const XrSpatialMeshConfigFlagsBD XR_SPATIAL_MESH_CONFIG_ALIGN_SEMANTIC_WITH_VERTEX_BIT_BD = 0x00000002;
+
+// XrSystemSpatialMeshPropertiesBD extends XrSystemProperties
+typedef struct XrSystemSpatialMeshPropertiesBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsSpatialMesh;
+} XrSystemSpatialMeshPropertiesBD;
+
+// XrSenseDataProviderCreateInfoSpatialMeshBD extends XrSenseDataProviderCreateInfoBD
+typedef struct XrSenseDataProviderCreateInfoSpatialMeshBD {
+    XrStructureType               type;
+    const void* XR_MAY_ALIAS      next;
+    XrSpatialMeshConfigFlagsBD    configFlags;
+    XrSpatialMeshLodBD            lod;
+} XrSenseDataProviderCreateInfoSpatialMeshBD;
+
+
+
+// XR_BD_future_progress is a preprocessor guard. Do not pass it to API calls.
+#define XR_BD_future_progress 1
+#define XR_BD_future_progress_SPEC_VERSION 1
+#define XR_BD_FUTURE_PROGRESS_EXTENSION_NAME "XR_BD_future_progress"
+// XrFuturePollResultProgressBD extends XrFuturePollResultEXT
+typedef struct XrFuturePollResultProgressBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              isSupported;
+    uint32_t              progressPercentage;
+} XrFuturePollResultProgressBD;
+
+
+
+// XR_BD_body_tracking_auxiliary_metrics is a preprocessor guard. Do not pass it to API calls.
+#define XR_BD_body_tracking_auxiliary_metrics 1
+#define XR_BD_body_tracking_auxiliary_metrics_SPEC_VERSION 1
+#define XR_BD_BODY_TRACKING_AUXILIARY_METRICS_EXTENSION_NAME "XR_BD_body_tracking_auxiliary_metrics"
+
+typedef enum XrBodyTrackingPostureBD {
+    XR_BODY_TRACKING_POSTURE_STOMP_BD = 1,
+    XR_BODY_TRACKING_POSTURE_STATIC_BD = 2,
+    XR_BODY_TRACKING_POSTURE_MAX_ENUM_BD = 0x7FFFFFFF
+} XrBodyTrackingPostureBD;
+
+typedef enum XrBodyTrackingStatusBD {
+    XR_BODY_TRACKING_STATUS_INVALID_BD = 0,
+    XR_BODY_TRACKING_STATUS_VALID_BD = 1,
+    XR_BODY_TRACKING_STATUS_LIMITED_BD = 2,
+    XR_BODY_TRACKING_STATUS_MAX_ENUM_BD = 0x7FFFFFFF
+} XrBodyTrackingStatusBD;
+
+typedef enum XrBodyTrackingMessageBD {
+    XR_BODY_TRACKING_MESSAGE_NO_ERROR_BD = 0,
+    XR_BODY_TRACKING_MESSAGE_TRACKER_NOT_CALIBRATED_BD = 1,
+    XR_BODY_TRACKING_MESSAGE_TRACKER_NUM_NOT_ENOUGH_BD = 2,
+    XR_BODY_TRACKING_MESSAGE_TRACKER_STATE_NOT_SATISFIED_BD = 3,
+    XR_BODY_TRACKING_MESSAGE_TRACKER_PERSISTENT_INVISIBILITY_BD = 4,
+    XR_BODY_TRACKING_MESSAGE_TRACKER_DATA_ERROR_BD = 5,
+    XR_BODY_TRACKING_MESSAGE_USER_CHANGE_BD = 6,
+    XR_BODY_TRACKING_MESSAGE_TRACKING_POSE_ERROR_BD = 7,
+    XR_BODY_TRACKING_MESSAGE_MAX_ENUM_BD = 0x7FFFFFFF
+} XrBodyTrackingMessageBD;
+typedef XrFlags64 XrSpaceAccelerationFlagsBD;
+
+// Flag bits for XrSpaceAccelerationFlagsBD
+static const XrSpaceAccelerationFlagsBD XR_SPACE_ACCELERATION_LINEAR_VALID_BIT_BD = 0x00000001;
+static const XrSpaceAccelerationFlagsBD XR_SPACE_ACCELERATION_ANGULAR_VALID_BIT_BD = 0x00000002;
+
+// XrBodyTrackingPostureDataBD extends XrBodyJointLocationsBD
+typedef struct XrBodyTrackingPostureDataBD {
+    XrStructureType             type;
+    void* XR_MAY_ALIAS          next;
+    uint32_t                    postureCount;
+    XrBodyTrackingPostureBD*    postureData;
+} XrBodyTrackingPostureDataBD;
+
+typedef struct XrBodyJointVelocityBD {
+    XrSpaceVelocityFlags    velocityFlags;
+    XrVector3f              linearVelocity;
+    XrVector3f              angularVelocity;
+} XrBodyJointVelocityBD;
+
+// XrBodyJointVelocitiesBD extends XrBodyJointLocationsBD
+typedef struct XrBodyJointVelocitiesBD {
+    XrStructureType           type;
+    void* XR_MAY_ALIAS        next;
+    uint32_t                  velocityCount;
+    XrBodyJointVelocityBD*    velocities;
+} XrBodyJointVelocitiesBD;
+
+typedef struct XrBodyJointAccelerationBD {
+    XrSpaceAccelerationFlagsBD    accelerationFlags;
+    XrVector3f                    linearAcceleration;
+    XrVector3f                    angularAcceleration;
+} XrBodyJointAccelerationBD;
+
+// XrBodyJointAccelerationsBD extends XrBodyJointLocationsBD
+typedef struct XrBodyJointAccelerationsBD {
+    XrStructureType               type;
+    void* XR_MAY_ALIAS            next;
+    uint32_t                      accelerationCount;
+    XrBodyJointAccelerationBD*    accelerations;
+} XrBodyJointAccelerationsBD;
+
+typedef struct XrBodyTrackingStateBD {
+    XrStructureType            type;
+    void* XR_MAY_ALIAS         next;
+    XrBodyTrackingStatusBD     status;
+    XrBodyTrackingMessageBD    message;
+} XrBodyTrackingStateBD;
+
+typedef XrResult (XRAPI_PTR *PFN_xrStartBodyTrackingCalibrationAppBD)(XrSession session);
+typedef XrResult (XRAPI_PTR *PFN_xrGetBodyTrackingStateBD)(XrSession session, XrBodyTrackingStateBD* state);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrStartBodyTrackingCalibrationAppBD(
+    XrSession                                   session);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetBodyTrackingStateBD(
+    XrSession                                   session,
+    XrBodyTrackingStateBD*                      state);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_BD_spatial_plane is a preprocessor guard. Do not pass it to API calls.
+#define XR_BD_spatial_plane 1
+#define XR_BD_spatial_plane_SPEC_VERSION  1
+#define XR_BD_SPATIAL_PLANE_EXTENSION_NAME "XR_BD_spatial_plane"
+
+typedef enum XrPlaneOrientationBD {
+    XR_PLANE_ORIENTATION_HORIZONTAL_UPWARD_BD = 0,
+    XR_PLANE_ORIENTATION_HORIZONTAL_DOWNWARD_BD = 1,
+    XR_PLANE_ORIENTATION_VERTICAL_BD = 2,
+    XR_PLANE_ORIENTATION_ARBITRARY_BD = 3,
+    XR_PLANE_ORIENTATION_MAX_ENUM_BD = 0x7FFFFFFF
+} XrPlaneOrientationBD;
+// XrSystemSpatialPlanePropertiesBD extends XrSystemProperties
+typedef struct XrSystemSpatialPlanePropertiesBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsSpatialPlane;
+} XrSystemSpatialPlanePropertiesBD;
+
+// XrSpatialEntityComponentDataPlaneOrientationBD extends XrSpatialEntityComponentDataBaseHeaderBD
+typedef struct XrSpatialEntityComponentDataPlaneOrientationBD {
+    XrStructureType         type;
+    void* XR_MAY_ALIAS      next;
+    XrPlaneOrientationBD    orientation;
+} XrSpatialEntityComponentDataPlaneOrientationBD;
+
+// XrSenseDataFilterPlaneOrientationBD extends XrSenseDataQueryInfoBD
+typedef struct XrSenseDataFilterPlaneOrientationBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    orientationCount;
+    XrPlaneOrientationBD*       orientations;
+} XrSenseDataFilterPlaneOrientationBD;
+
+
+
+// XR_BD_spatial_light_estimation is a preprocessor guard. Do not pass it to API calls.
+#define XR_BD_spatial_light_estimation 1
+#define XR_BD_spatial_light_estimation_SPEC_VERSION 1
+#define XR_BD_SPATIAL_LIGHT_ESTIMATION_EXTENSION_NAME "XR_BD_spatial_light_estimation"
+
+typedef enum XrEnvironmentTexturePixelFormatBD {
+    XR_ENVIRONMENT_TEXTURE_PIXEL_FORMAT_RGB_16FLOAT_BD = 0,
+    XR_ENVIRONMENT_TEXTURE_PIXEL_FORMAT_RGBA_16FLOAT_BD = 1,
+    XR_ENVIRONMENT_TEXTURE_PIXEL_FORMAT_MAX_ENUM_BD = 0x7FFFFFFF
+} XrEnvironmentTexturePixelFormatBD;
+
+typedef enum XrEnvironmentTextureResolutionBD {
+    XR_ENVIRONMENT_TEXTURE_RESOLUTION_8_8_BD = 0,
+    XR_ENVIRONMENT_TEXTURE_RESOLUTION_16_16_BD = 1,
+    XR_ENVIRONMENT_TEXTURE_RESOLUTION_32_32_BD = 2,
+    XR_ENVIRONMENT_TEXTURE_RESOLUTION_64_64_BD = 3,
+    XR_ENVIRONMENT_TEXTURE_RESOLUTION_128_128_BD = 4,
+    XR_ENVIRONMENT_TEXTURE_RESOLUTION_MAX_ENUM_BD = 0x7FFFFFFF
+} XrEnvironmentTextureResolutionBD;
+
+typedef enum XrEnvironmentTextureTransferTypeBD {
+    XR_ENVIRONMENT_TEXTURE_TRANSFER_TYPE_RAW_BD = 0,
+    XR_ENVIRONMENT_TEXTURE_TRANSFER_TYPE_MAX_ENUM_BD = 0x7FFFFFFF
+} XrEnvironmentTextureTransferTypeBD;
+
+typedef enum XrSphericalHarmonicsKindBD {
+    XR_SPHERICAL_HARMONICS_KIND_TOTAL_BD = 0,
+    XR_SPHERICAL_HARMONICS_KIND_MAX_ENUM_BD = 0x7FFFFFFF
+} XrSphericalHarmonicsKindBD;
+typedef XrFlags64 XrLightEstimationCreateFlagsBD;
+
+// Flag bits for XrLightEstimationCreateFlagsBD
+static const XrLightEstimationCreateFlagsBD XR_LIGHT_ESTIMATION_CREATE_SPHERICAL_HARMONICS_BIT_BD = 0x00000001;
+static const XrLightEstimationCreateFlagsBD XR_LIGHT_ESTIMATION_CREATE_ENVIRONMENT_TEXTURE_BIT_BD = 0x00000002;
+
+// XrSystemLightEstimationPropertiesBD extends XrSystemProperties
+typedef struct XrSystemLightEstimationPropertiesBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsLightEstimation;
+    XrBool32              supportsEnvironmentTexture;
+    XrBool32              supportsSphericalHarmonics;
+} XrSystemLightEstimationPropertiesBD;
+
+// XrSenseDataProviderCreateInfoLightEstimationBD extends XrSenseDataProviderCreateInfoBD
+typedef struct XrSenseDataProviderCreateInfoLightEstimationBD {
+    XrStructureType                   type;
+    const void* XR_MAY_ALIAS          next;
+    XrLightEstimationCreateFlagsBD    createFlags;
+} XrSenseDataProviderCreateInfoLightEstimationBD;
+
+// XrEnvironmentTextureCreateConfigInfoBD extends XrSenseDataProviderCreateInfoBD
+typedef struct XrEnvironmentTextureCreateConfigInfoBD {
+    XrStructureType                       type;
+    const void* XR_MAY_ALIAS              next;
+    XrEnvironmentTexturePixelFormatBD     pixelFormat;
+    XrEnvironmentTextureResolutionBD      resolution;
+    XrEnvironmentTextureTransferTypeBD    transferType;
+} XrEnvironmentTextureCreateConfigInfoBD;
+
+// XrLightEstimationDataEnvironmentTextureRawBD extends XrSpatialEntityComponentDataLightEstimationBD
+typedef struct XrLightEstimationDataEnvironmentTextureRawBD {
+    XrStructureType                      type;
+    const void* XR_MAY_ALIAS             next;
+    XrEnvironmentTexturePixelFormatBD    pixelFormat;
+    uint32_t                             cubemapFaceBufferSize;
+    uint8_t*                             rightCubemapFaceBuffer;
+    uint8_t*                             leftCubemapFaceBuffer;
+    uint8_t*                             topCubemapFaceBuffer;
+    uint8_t*                             bottomCubemapFaceBuffer;
+    uint8_t*                             frontCubemapFaceBuffer;
+    uint8_t*                             backCubemapFaceBuffer;
+} XrLightEstimationDataEnvironmentTextureRawBD;
+
+// XrLightEstimationDataSphericalHarmonicsBD extends XrSpatialEntityComponentDataLightEstimationBD
+typedef struct XrLightEstimationDataSphericalHarmonicsBD {
+    XrStructureType               type;
+    const void* XR_MAY_ALIAS      next;
+    XrSphericalHarmonicsKindBD    kind;
+    uint32_t                      coefficientCapacityInput;
+    uint32_t                      coefficientCountOutput;
+     float*                       coefficients;
+} XrLightEstimationDataSphericalHarmonicsBD;
+
+// XrSpatialEntityComponentDataLightEstimationBD extends XrSpatialEntityComponentDataBaseHeaderBD
+typedef struct XrSpatialEntityComponentDataLightEstimationBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              isValid;
+} XrSpatialEntityComponentDataLightEstimationBD;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateEnvironmentTextureResolutionsBD)(XrSession session, uint32_t resolutionCapacityInput, uint32_t* resolutionCountOutput, XrEnvironmentTextureResolutionBD* resolutions);
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateEnvironmentTexturePixelFormatsBD)(XrSession session, uint32_t pixelFormatCapacityInput, uint32_t* pixelFormatCountOutput, XrEnvironmentTexturePixelFormatBD* pixelFormats);
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateEnvironmentTextureTransferTypesBD)(XrSession session, uint32_t transferTypeCapacityInput, uint32_t* transferTypeCountOutput, XrEnvironmentTextureTransferTypeBD* transferTypes);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateEnvironmentTextureResolutionsBD(
+    XrSession                                   session,
+    uint32_t                                    resolutionCapacityInput,
+    uint32_t*                                   resolutionCountOutput,
+    XrEnvironmentTextureResolutionBD*           resolutions);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateEnvironmentTexturePixelFormatsBD(
+    XrSession                                   session,
+    uint32_t                                    pixelFormatCapacityInput,
+    uint32_t*                                   pixelFormatCountOutput,
+    XrEnvironmentTexturePixelFormatBD*          pixelFormats);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateEnvironmentTextureTransferTypesBD(
+    XrSession                                   session,
+    uint32_t                                    transferTypeCapacityInput,
+    uint32_t*                                   transferTypeCountOutput,
+    XrEnvironmentTextureTransferTypeBD*         transferTypes);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_BD_ultra_controller_interaction is a preprocessor guard. Do not pass it to API calls.
+#define XR_BD_ultra_controller_interaction 1
+#define XR_BD_ultra_controller_interaction_SPEC_VERSION 1
+#define XR_BD_ULTRA_CONTROLLER_INTERACTION_EXTENSION_NAME "XR_BD_ultra_controller_interaction"
+
+
+// XR_BD_spatial_audio_rendering is a preprocessor guard. Do not pass it to API calls.
+#define XR_BD_spatial_audio_rendering 1
+XR_DEFINE_HANDLE(XrSpatialAudioRendererBD)
+XR_DEFINE_HANDLE(XrSoundFieldBD)
+XR_DEFINE_HANDLE(XrSoundObjectBD)
+XR_DEFINE_HANDLE(XrSoundObstacleBD)
+XR_DEFINE_HANDLE(XrSoundObstacleMaterialBD)
+#define XR_BD_spatial_audio_rendering_SPEC_VERSION 1
+#define XR_BD_SPATIAL_AUDIO_RENDERING_EXTENSION_NAME "XR_BD_spatial_audio_rendering"
+
+typedef enum XrAudioSampleRateBD {
+    XR_AUDIO_SAMPLE_RATE_192000_HZ_BD = 1,
+    XR_AUDIO_SAMPLE_RATE_96000_HZ_BD = 2,
+    XR_AUDIO_SAMPLE_RATE_48000_HZ_BD = 3,
+    XR_AUDIO_SAMPLE_RATE_44100_HZ_BD = 4,
+    XR_AUDIO_SAMPLE_RATE_32000_HZ_BD = 5,
+    XR_AUDIO_SAMPLE_RATE_24000_HZ_BD = 6,
+    XR_AUDIO_SAMPLE_RATE_22050_HZ_BD = 7,
+    XR_AUDIO_SAMPLE_RATE_16000_HZ_BD = 8,
+    XR_AUDIO_SAMPLE_RATE_12000_HZ_BD = 9,
+    XR_AUDIO_SAMPLE_RATE_11025_HZ_BD = 10,
+    XR_AUDIO_SAMPLE_RATE_8000_HZ_BD = 11,
+    XR_AUDIO_SAMPLE_RATE_MAX_ENUM_BD = 0x7FFFFFFF
+} XrAudioSampleRateBD;
+
+typedef enum XrAudioBufferChannelLayoutBD {
+    XR_AUDIO_BUFFER_CHANNEL_LAYOUT_INTERLEAVED_BD = 0,
+    XR_AUDIO_BUFFER_CHANNEL_LAYOUT_PLANAR_BD = 1,
+    XR_AUDIO_BUFFER_CHANNEL_LAYOUT_MAX_ENUM_BD = 0x7FFFFFFF
+} XrAudioBufferChannelLayoutBD;
+
+typedef enum XrSoundObjectDistanceAttenuationTypeBD {
+    XR_SOUND_OBJECT_DISTANCE_ATTENUATION_TYPE_NONE_BD = 0,
+    XR_SOUND_OBJECT_DISTANCE_ATTENUATION_TYPE_INVERSE_SQUARE_BD = 1,
+    XR_SOUND_OBJECT_DISTANCE_ATTENUATION_TYPE_ROLLOFF_BD = 2,
+    XR_SOUND_OBJECT_DISTANCE_ATTENUATION_TYPE_CUSTOMIZED_BD = 100,
+    XR_SOUND_OBJECT_DISTANCE_ATTENUATION_TYPE_MAX_ENUM_BD = 0x7FFFFFFF
+} XrSoundObjectDistanceAttenuationTypeBD;
+
+typedef enum XrSoundFieldChannelMaskSurroundBD {
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_FRONT_LEFT_BD = 1,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_FRONT_RIGHT_BD = 2,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_FRONT_CENTER_BD = 4,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_LOW_FREQUENCY_BD = 8,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_BACK_LEFT_BD = 16,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_BACK_RIGHT_BD = 32,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_SIDE_LEFT_BD = 64,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_SIDE_RIGHT_BD = 128,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_TOP_FRONT_LEFT_BD = 256,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_TOP_FRONT_RIGHT_BD = 512,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_TOP_BACK_LEFT_BD = 1024,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_TOP_BACK_RIGHT_BD = 2048,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_BACK_CENTER_BD = 4096,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_TOP_SIDE_LEFT_BD = 8192,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_TOP_SIDE_RIGHT_BD = 16384,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_SETUP_STEREO_BD = 3,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_SETUP_2_1_BD = 11,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_SETUP_3_0_BD = 7,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_SETUP_4_0_BD = 4099,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_SETUP_BACK_SURROUND_BD = 48,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_SETUP_QUAD_BD = 51,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_SETUP_3_1_BD = 15,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_SETUP_5_0_BD = 55,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_SETUP_SIDE_SURROUND_BD = 192,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_SETUP_5_0_SIDE_BD = 199,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_SETUP_5_1_BD = 63,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_SETUP_5_1_SIDE_BD = 207,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_SETUP_7_0_BD = 247,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_SETUP_7_1_BD = 255,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_SETUP_5_1_2_BD = 831,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_SETUP_5_1_4_BD = 3903,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_SETUP_7_1_2_BD = 24831,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_SETUP_7_1_4_BD = 4095,
+    XR_SOUND_FIELD_CHANNEL_MASK_SURROUND_MAX_ENUM_BD = 0x7FFFFFFF
+} XrSoundFieldChannelMaskSurroundBD;
+
+typedef enum XrSoundFieldChannelMaskAmbixBD {
+    XR_SOUND_FIELD_CHANNEL_MASK_AMBIX_1ST_ORDER_BD = 1,
+    XR_SOUND_FIELD_CHANNEL_MASK_AMBIX_2ND_ORDER_BD = 2,
+    XR_SOUND_FIELD_CHANNEL_MASK_AMBIX_3RD_ORDER_BD = 3,
+    XR_SOUND_FIELD_CHANNEL_MASK_AMBIX_4TH_ORDER_BD = 4,
+    XR_SOUND_FIELD_CHANNEL_MASK_AMBIX_5TH_ORDER_BD = 5,
+    XR_SOUND_FIELD_CHANNEL_MASK_AMBIX_6TH_ORDER_BD = 6,
+    XR_SOUND_FIELD_CHANNEL_MASK_AMBIX_7TH_ORDER_BD = 7,
+    XR_SOUND_FIELD_CHANNEL_MASK_AMBIX_MAX_ENUM_BD = 0x7FFFFFFF
+} XrSoundFieldChannelMaskAmbixBD;
+
+typedef enum XrSoundFieldChannelMaskFumaBD {
+    XR_SOUND_FIELD_CHANNEL_MASK_FUMA_1ST_ORDER_BD = 1,
+    XR_SOUND_FIELD_CHANNEL_MASK_FUMA_MAX_ENUM_BD = 0x7FFFFFFF
+} XrSoundFieldChannelMaskFumaBD;
+
+typedef enum XrSoundObstacleMaterialTypeBD {
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_ACOUSTIC_TILE_BD = 0,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_BRICK_BD = 1,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_BRICK_PAINTED_BD = 2,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_CARPET_BD = 3,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_CARPET_HEAVY_BD = 4,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_CARPET_HEAVY_PADDED_BD = 5,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_CERAMIC_TILE_BD = 6,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_CONCRETE_BD = 7,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_CONCRETE_ROUGH_BD = 8,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_CONCRETE_BLOCK_BD = 9,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_CONCRETE_BLOCK_PAINTED_BD = 10,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_CURTAIN_BD = 11,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_FOLIAGE_BD = 12,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_GLASS_BD = 13,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_GLASS_HEAVY_BD = 14,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_GRASS_BD = 15,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_GRAVEL_BD = 16,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_GYPSUM_BOARD_BD = 17,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_PLASTER_ON_BRICK_BD = 18,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_PLASTER_ON_CONCRETE_BLOCK_BD = 19,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_SOIL_BD = 20,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_SOUND_PROOF_BD = 21,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_SNOW_BD = 22,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_STEEL_BD = 23,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_WATER_BD = 24,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_WOOD_THIN_BD = 25,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_WOOD_THICK_BD = 26,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_WOOD_FLOOR_BD = 27,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_WOOD_ON_CONCRETE_BD = 28,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_CUSTOM_BD = 29,
+    XR_SOUND_OBSTACLE_MATERIAL_TYPE_MAX_ENUM_BD = 0x7FFFFFFF
+} XrSoundObstacleMaterialTypeBD;
+typedef XrFlags64 XrSoundObstacleFlagsBD;
+
+// Flag bits for XrSoundObstacleFlagsBD
+static const XrSoundObstacleFlagsBD XR_SOUND_OBSTACLE_ENABLED_BIT_BD = 0x00000001;
+static const XrSoundObstacleFlagsBD XR_SOUND_OBSTACLE_POSE_BIT_BD = 0x00000002;
+static const XrSoundObstacleFlagsBD XR_SOUND_OBSTACLE_MESH_BIT_BD = 0x00000004;
+static const XrSoundObstacleFlagsBD XR_SOUND_OBSTACLE_MATERIALS_BIT_BD = 0x00000008;
+
+typedef XrFlags64 XrSoundObjectFlagsBD;
+
+// Flag bits for XrSoundObjectFlagsBD
+static const XrSoundObjectFlagsBD XR_SOUND_OBJECT_ENABLED_BIT_BD = 0x00000001;
+static const XrSoundObjectFlagsBD XR_SOUND_OBJECT_POSE_BIT_BD = 0x00000002;
+static const XrSoundObjectFlagsBD XR_SOUND_OBJECT_DIRECTIVITY_BIT_BD = 0x00000004;
+static const XrSoundObjectFlagsBD XR_SOUND_OBJECT_SHAPE_BIT_BD = 0x00000008;
+static const XrSoundObjectFlagsBD XR_SOUND_OBJECT_MAIN_VOLUME_BIT_BD = 0x00000010;
+static const XrSoundObjectFlagsBD XR_SOUND_OBJECT_REFLECTION_GAIN_BIT_BD = 0x00000020;
+static const XrSoundObjectFlagsBD XR_SOUND_OBJECT_ENABLE_DOPPLER_BIT_BD = 0x00000040;
+static const XrSoundObjectFlagsBD XR_SOUND_OBJECT_DIRECT_SOUND_ATTENUATION_BIT_BD = 0x00000080;
+static const XrSoundObjectFlagsBD XR_SOUND_OBJECT_INDIRECT_SOUND_ATTENUATION_BIT_BD = 0x00000100;
+
+typedef XrFlags64 XrSoundFieldFlagsBD;
+
+// Flag bits for XrSoundFieldFlagsBD
+static const XrSoundFieldFlagsBD XR_SOUND_FIELD_ENABLED_BIT_BD = 0x00000001;
+static const XrSoundFieldFlagsBD XR_SOUND_FIELD_ORIENTATION_BIT_BD = 0x00000002;
+static const XrSoundFieldFlagsBD XR_SOUND_FIELD_MAIN_VOLUME_BIT_BD = 0x00000004;
+static const XrSoundFieldFlagsBD XR_SOUND_FIELD_LFE_GAIN_BIT_BD = 0x00000008;
+
+typedef struct XrSpatialAudioRendererCreateInfoBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    framesPerBuffer;
+    XrAudioSampleRateBD         sampleRate;
+} XrSpatialAudioRendererCreateInfoBD;
+
+typedef struct XrAudioBufferBD {
+    XrStructureType                 type;
+    const void* XR_MAY_ALIAS        next;
+    XrAudioBufferChannelLayoutBD    channelLayout;
+    uint32_t                        bufferChannels;
+    uint32_t                        bufferLength;
+    float*                          buffer;
+} XrAudioBufferBD;
+
+// XrSoundObjectDirectivityCardioidBD extends XrSoundObjectConfigBD
+typedef struct XrSoundObjectDirectivityCardioidBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    float                       alpha;
+    float                       order;
+} XrSoundObjectDirectivityCardioidBD;
+
+// XrSoundObjectShapeSphereBD extends XrSoundObjectConfigBD
+typedef struct XrSoundObjectShapeSphereBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    float                       radius;
+} XrSoundObjectShapeSphereBD;
+
+typedef struct XrAttenuationCurvePointBD {
+    float    distance;
+    float    gain;
+} XrAttenuationCurvePointBD;
+
+typedef struct XrSoundObjectDistanceAttenuationCurveBD {
+    XrStructureType               type;
+    const void* XR_MAY_ALIAS      next;
+    uint32_t                      curvePointCount;
+    XrAttenuationCurvePointBD*    curvePoints;
+} XrSoundObjectDistanceAttenuationCurveBD;
+
+typedef struct XrSoundObjectDistanceAttenuationBD {
+    XrStructureType                             type;
+    const void* XR_MAY_ALIAS                    next;
+    XrSoundObjectDistanceAttenuationTypeBD      distanceAttenuationType;
+    float                                       minAttenuationRange;
+    float                                       maxAttenuationRange;
+    float                                       referenceDistance;
+    float                                       rolloffFactor;
+    XrSoundObjectDistanceAttenuationCurveBD*    customDistanceAttenuationCurve;
+} XrSoundObjectDistanceAttenuationBD;
+
+typedef struct XrSoundObjectConfigBD {
+    XrStructureType                              type;
+    const void* XR_MAY_ALIAS                     next;
+    XrBool32                                     enabled;
+    XrPosef                                      pose;
+    XrSpace                                      baseSpace;
+    float                                        mainVolume;
+    float                                        reflectionGain;
+    XrBool32                                     enableDoppler;
+    const XrSoundObjectDistanceAttenuationBD*    directSoundAttenuation;
+    const XrSoundObjectDistanceAttenuationBD*    indirectSoundAttenuation;
+} XrSoundObjectConfigBD;
+
+typedef struct XrSoundFieldConfigBD {
+     XrStructureType            type;
+    const void* XR_MAY_ALIAS    next;
+    XrBool32                    enabled;
+    XrQuaternionf               orientation;
+    XrSpace                     baseSpace;
+    float                       mainVolume;
+    float                       lfeGain;
+} XrSoundFieldConfigBD;
+
+// XrSoundFieldChannelDefinitionSurroundBD extends XrSoundFieldConfigBD
+typedef struct XrSoundFieldChannelDefinitionSurroundBD {
+    XrStructureType                      type;
+    const void* XR_MAY_ALIAS             next;
+    XrSoundFieldChannelMaskSurroundBD    channelMask;
+} XrSoundFieldChannelDefinitionSurroundBD;
+
+// XrSoundFieldChannelDefinitionAmbixBD extends XrSoundFieldConfigBD
+typedef struct XrSoundFieldChannelDefinitionAmbixBD {
+    XrStructureType                   type;
+    const void* XR_MAY_ALIAS          next;
+    XrSoundFieldChannelMaskAmbixBD    channelMask;
+} XrSoundFieldChannelDefinitionAmbixBD;
+
+// XrSoundFieldChannelDefinitionFumaBD extends XrSoundFieldConfigBD
+typedef struct XrSoundFieldChannelDefinitionFumaBD {
+    XrStructureType                  type;
+    const void* XR_MAY_ALIAS         next;
+    XrSoundFieldChannelMaskFumaBD    channelMask;
+} XrSoundFieldChannelDefinitionFumaBD;
+
+typedef struct XrSoundTriangleMeshBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    vertexCount;
+    XrVector3f*                 vertices;
+    uint32_t                    indexCount;
+    uint32_t*                   indices;
+} XrSoundTriangleMeshBD;
+
+typedef struct XrSoundObstacleConfigBD {
+    XrStructureType               type;
+    const void* XR_MAY_ALIAS      next;
+    XrBool32                      enabled;
+    XrPosef                       pose;
+    XrSpace                       baseSpace;
+    uint32_t                      materialCount;
+    XrSoundObstacleMaterialBD*    materials;
+} XrSoundObstacleConfigBD;
+
+typedef struct XrSoundObstacleMaterialConfigBD {
+    XrStructureType                  type;
+    const void* XR_MAY_ALIAS         next;
+    XrSoundObstacleMaterialTypeBD    materialType;
+    uint32_t                         bandCount;
+    float*                           bandFrequencies;
+    float*                           bandAbsorptions;
+    float*                           bandScatterings;
+    float*                           bandTransmissions;
+} XrSoundObstacleMaterialConfigBD;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateSupportedAudioSampleRateBD)(XrSession session, uint32_t sampleRateCapacityInput, uint32_t* sampleRateCountOutput, XrAudioSampleRateBD* sampleRates);
+typedef XrResult (XRAPI_PTR *PFN_xrQueryFramesPerBufferRangeBD)(XrSession session, XrAudioSampleRateBD sampleRate, uint32_t* min, uint32_t* max);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialAudioRendererBD)(XrSession session, const XrSpatialAudioRendererCreateInfoBD* createInfo, XrSpatialAudioRendererBD* renderer);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroySpatialAudioRendererBD)(XrSpatialAudioRendererBD renderer);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSoundObstacleMaterialBD)(XrSpatialAudioRendererBD renderer, const XrSoundObstacleMaterialConfigBD* config, XrSoundObstacleMaterialBD* material);
+typedef XrResult (XRAPI_PTR *PFN_xrUpdateSoundObstacleMaterialConfigBD)(XrSoundObstacleMaterialBD material, const XrSoundObstacleMaterialConfigBD* config);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroySoundObstacleMaterialBD)(XrSoundObstacleMaterialBD material);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSoundObstacleBD)(XrSpatialAudioRendererBD renderer, const XrSoundObstacleConfigBD* config, const XrSoundTriangleMeshBD* mesh, XrSoundObstacleBD* soundObstacle);
+typedef XrResult (XRAPI_PTR *PFN_xrUpdateSoundObstacleConfigBD)(XrSoundObstacleBD soundObstacle, const XrSoundObstacleConfigBD* config, const XrSoundTriangleMeshBD* mesh, XrSoundObstacleFlagsBD flags);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroySoundObstacleBD)(XrSoundObstacleBD soundObstacle);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSoundObjectBD)(XrSpatialAudioRendererBD renderer, const XrSoundObjectConfigBD* config, XrSoundObjectBD* soundObject);
+typedef XrResult (XRAPI_PTR *PFN_xrUpdateSoundObjectConfigBD)(XrSoundObjectBD soundObject, const XrSoundObjectConfigBD* config, XrSoundObjectFlagsBD flags);
+typedef XrResult (XRAPI_PTR *PFN_xrSubmitSoundObjectBufferBD)(XrSoundObjectBD soundObject, const XrAudioBufferBD* buffer);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroySoundObjectBD)(XrSoundObjectBD soundObject);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSoundFieldBD)(XrSpatialAudioRendererBD renderer, const XrSoundFieldConfigBD* config, XrSoundFieldBD* soundField);
+typedef XrResult (XRAPI_PTR *PFN_xrUpdateSoundFieldConfigBD)(XrSoundFieldBD soundField, const XrSoundFieldConfigBD* config, XrSoundFieldFlagsBD flags);
+typedef XrResult (XRAPI_PTR *PFN_xrSubmitSoundFieldBufferBD)(XrSoundFieldBD soundField, const XrAudioBufferBD* buffer);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroySoundFieldBD)(XrSoundFieldBD soundField);
+typedef XrResult (XRAPI_PTR *PFN_xrWaitAudioPeriodBD)(XrSpatialAudioRendererBD renderer, XrDuration timeout);
+typedef XrResult (XRAPI_PTR *PFN_xrEndAudioPeriodBD)(XrSpatialAudioRendererBD renderer);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateSupportedAudioSampleRateBD(
+    XrSession                                   session,
+    uint32_t                                    sampleRateCapacityInput,
+    uint32_t*                                   sampleRateCountOutput,
+    XrAudioSampleRateBD*                        sampleRates);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrQueryFramesPerBufferRangeBD(
+    XrSession                                   session,
+    XrAudioSampleRateBD                         sampleRate,
+    uint32_t*                                   min,
+    uint32_t*                                   max);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialAudioRendererBD(
+    XrSession                                   session,
+    const XrSpatialAudioRendererCreateInfoBD*   createInfo,
+    XrSpatialAudioRendererBD*                   renderer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroySpatialAudioRendererBD(
+    XrSpatialAudioRendererBD                    renderer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSoundObstacleMaterialBD(
+    XrSpatialAudioRendererBD                    renderer,
+    const XrSoundObstacleMaterialConfigBD*      config,
+    XrSoundObstacleMaterialBD*                  material);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrUpdateSoundObstacleMaterialConfigBD(
+    XrSoundObstacleMaterialBD                   material,
+    const XrSoundObstacleMaterialConfigBD*      config);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroySoundObstacleMaterialBD(
+    XrSoundObstacleMaterialBD                   material);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSoundObstacleBD(
+    XrSpatialAudioRendererBD                    renderer,
+    const XrSoundObstacleConfigBD*              config,
+    const XrSoundTriangleMeshBD*                mesh,
+    XrSoundObstacleBD*                          soundObstacle);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrUpdateSoundObstacleConfigBD(
+    XrSoundObstacleBD                           soundObstacle,
+    const XrSoundObstacleConfigBD*              config,
+    const XrSoundTriangleMeshBD*                mesh,
+    XrSoundObstacleFlagsBD                      flags);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroySoundObstacleBD(
+    XrSoundObstacleBD                           soundObstacle);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSoundObjectBD(
+    XrSpatialAudioRendererBD                    renderer,
+    const XrSoundObjectConfigBD*                config,
+    XrSoundObjectBD*                            soundObject);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrUpdateSoundObjectConfigBD(
+    XrSoundObjectBD                             soundObject,
+    const XrSoundObjectConfigBD*                config,
+    XrSoundObjectFlagsBD                        flags);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSubmitSoundObjectBufferBD(
+    XrSoundObjectBD                             soundObject,
+    const XrAudioBufferBD*                      buffer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroySoundObjectBD(
+    XrSoundObjectBD                             soundObject);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSoundFieldBD(
+    XrSpatialAudioRendererBD                    renderer,
+    const XrSoundFieldConfigBD*                 config,
+    XrSoundFieldBD*                             soundField);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrUpdateSoundFieldConfigBD(
+    XrSoundFieldBD                              soundField,
+    const XrSoundFieldConfigBD*                 config,
+    XrSoundFieldFlagsBD                         flags);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSubmitSoundFieldBufferBD(
+    XrSoundFieldBD                              soundField,
+    const XrAudioBufferBD*                      buffer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroySoundFieldBD(
+    XrSoundFieldBD                              soundField);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrWaitAudioPeriodBD(
+    XrSpatialAudioRendererBD                    renderer,
+    XrDuration                                  timeout);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEndAudioPeriodBD(
+    XrSpatialAudioRendererBD                    renderer);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_EXT_local_floor is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_local_floor 1
+#define XR_EXT_local_floor_SPEC_VERSION   1
+#define XR_EXT_LOCAL_FLOOR_EXTENSION_NAME "XR_EXT_local_floor"
+
+
+// XR_EXT_hand_tracking_data_source is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_hand_tracking_data_source 1
+#define XR_EXT_hand_tracking_data_source_SPEC_VERSION 1
+#define XR_EXT_HAND_TRACKING_DATA_SOURCE_EXTENSION_NAME "XR_EXT_hand_tracking_data_source"
+
+typedef enum XrHandTrackingDataSourceEXT {
+    XR_HAND_TRACKING_DATA_SOURCE_UNOBSTRUCTED_EXT = 1,
+    XR_HAND_TRACKING_DATA_SOURCE_CONTROLLER_EXT = 2,
+    XR_HAND_TRACKING_DATA_SOURCE_UNOBSTRUCTED_WIDE_MOTION_META = 1000695000,
+    XR_HAND_TRACKING_DATA_SOURCE_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrHandTrackingDataSourceEXT;
+// XrHandTrackingDataSourceInfoEXT extends XrHandTrackerCreateInfoEXT
+typedef struct XrHandTrackingDataSourceInfoEXT {
+    XrStructureType                 type;
+    const void* XR_MAY_ALIAS        next;
+    uint32_t                        requestedDataSourceCount;
+    XrHandTrackingDataSourceEXT*    requestedDataSources;
+} XrHandTrackingDataSourceInfoEXT;
+
+// XrHandTrackingDataSourceStateEXT extends XrHandJointLocationsEXT
+typedef struct XrHandTrackingDataSourceStateEXT {
+    XrStructureType                type;
+    void* XR_MAY_ALIAS             next;
+    XrBool32                       isActive;
+    XrHandTrackingDataSourceEXT    dataSource;
+} XrHandTrackingDataSourceStateEXT;
+
+
+
+// XR_EXT_plane_detection is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_plane_detection 1
+XR_DEFINE_HANDLE(XrPlaneDetectorEXT)
+#define XR_EXT_plane_detection_SPEC_VERSION 2
+#define XR_EXT_PLANE_DETECTION_EXTENSION_NAME "XR_EXT_plane_detection"
+
+typedef enum XrPlaneDetectorOrientationEXT {
+    XR_PLANE_DETECTOR_ORIENTATION_HORIZONTAL_UPWARD_EXT = 0,
+    XR_PLANE_DETECTOR_ORIENTATION_HORIZONTAL_DOWNWARD_EXT = 1,
+    XR_PLANE_DETECTOR_ORIENTATION_VERTICAL_EXT = 2,
+    XR_PLANE_DETECTOR_ORIENTATION_ARBITRARY_EXT = 3,
+    XR_PLANE_DETECTOR_ORIENTATION_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrPlaneDetectorOrientationEXT;
+
+typedef enum XrPlaneDetectorSemanticTypeEXT {
+    XR_PLANE_DETECTOR_SEMANTIC_TYPE_UNDEFINED_EXT = 0,
+    XR_PLANE_DETECTOR_SEMANTIC_TYPE_CEILING_EXT = 1,
+    XR_PLANE_DETECTOR_SEMANTIC_TYPE_FLOOR_EXT = 2,
+    XR_PLANE_DETECTOR_SEMANTIC_TYPE_WALL_EXT = 3,
+    XR_PLANE_DETECTOR_SEMANTIC_TYPE_PLATFORM_EXT = 4,
+    XR_PLANE_DETECTOR_SEMANTIC_TYPE_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrPlaneDetectorSemanticTypeEXT;
+
+typedef enum XrPlaneDetectionStateEXT {
+    XR_PLANE_DETECTION_STATE_NONE_EXT = 0,
+    XR_PLANE_DETECTION_STATE_PENDING_EXT = 1,
+    XR_PLANE_DETECTION_STATE_DONE_EXT = 2,
+    XR_PLANE_DETECTION_STATE_ERROR_EXT = 3,
+    XR_PLANE_DETECTION_STATE_FATAL_EXT = 4,
+    XR_PLANE_DETECTION_STATE_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrPlaneDetectionStateEXT;
+typedef XrFlags64 XrPlaneDetectionCapabilityFlagsEXT;
+
+// Flag bits for XrPlaneDetectionCapabilityFlagsEXT
+static const XrPlaneDetectionCapabilityFlagsEXT XR_PLANE_DETECTION_CAPABILITY_PLANE_DETECTION_BIT_EXT = 0x00000001;
+static const XrPlaneDetectionCapabilityFlagsEXT XR_PLANE_DETECTION_CAPABILITY_PLANE_HOLES_BIT_EXT = 0x00000002;
+static const XrPlaneDetectionCapabilityFlagsEXT XR_PLANE_DETECTION_CAPABILITY_SEMANTIC_CEILING_BIT_EXT = 0x00000004;
+static const XrPlaneDetectionCapabilityFlagsEXT XR_PLANE_DETECTION_CAPABILITY_SEMANTIC_FLOOR_BIT_EXT = 0x00000008;
+static const XrPlaneDetectionCapabilityFlagsEXT XR_PLANE_DETECTION_CAPABILITY_SEMANTIC_WALL_BIT_EXT = 0x00000010;
+static const XrPlaneDetectionCapabilityFlagsEXT XR_PLANE_DETECTION_CAPABILITY_SEMANTIC_PLATFORM_BIT_EXT = 0x00000020;
+static const XrPlaneDetectionCapabilityFlagsEXT XR_PLANE_DETECTION_CAPABILITY_ORIENTATION_BIT_EXT = 0x00000040;
+
+typedef XrFlags64 XrPlaneDetectorFlagsEXT;
+
+// Flag bits for XrPlaneDetectorFlagsEXT
+static const XrPlaneDetectorFlagsEXT XR_PLANE_DETECTOR_ENABLE_CONTOUR_BIT_EXT = 0x00000001;
+
+// XrSystemPlaneDetectionPropertiesEXT extends XrSystemProperties
+typedef struct XrSystemPlaneDetectionPropertiesEXT {
+    XrStructureType                       type;
+    void* XR_MAY_ALIAS                    next;
+    XrPlaneDetectionCapabilityFlagsEXT    supportedFeatures;
+} XrSystemPlaneDetectionPropertiesEXT;
+
+typedef struct XrPlaneDetectorCreateInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrPlaneDetectorFlagsEXT     flags;
+} XrPlaneDetectorCreateInfoEXT;
+
+typedef XrExtent3Df XrExtent3DfEXT;
+
+typedef struct XrPlaneDetectorBeginInfoEXT {
+    XrStructureType                          type;
+    const void* XR_MAY_ALIAS                 next;
+    XrSpace                                  baseSpace;
+    XrTime                                   time;
+    uint32_t                                 orientationCount;
+    const XrPlaneDetectorOrientationEXT*     orientations;
+    uint32_t                                 semanticTypeCount;
+    const XrPlaneDetectorSemanticTypeEXT*    semanticTypes;
+    uint32_t                                 maxPlanes;
+    float                                    minArea;
+    XrPosef                                  boundingBoxPose;
+    XrExtent3DfEXT                           boundingBoxExtent;
+} XrPlaneDetectorBeginInfoEXT;
+
+typedef struct XrPlaneDetectorGetInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     baseSpace;
+    XrTime                      time;
+} XrPlaneDetectorGetInfoEXT;
+
+typedef struct XrPlaneDetectorLocationEXT {
+    XrStructureType                   type;
+    void* XR_MAY_ALIAS                next;
+    uint64_t                          planeId;
+    XrSpaceLocationFlags              locationFlags;
+    XrPosef                           pose;
+    XrExtent2Df                       extents;
+    XrPlaneDetectorOrientationEXT     orientation;
+    XrPlaneDetectorSemanticTypeEXT    semanticType;
+    uint32_t                          polygonBufferCount;
+} XrPlaneDetectorLocationEXT;
+
+typedef struct XrPlaneDetectorLocationsEXT {
+    XrStructureType                type;
+    void* XR_MAY_ALIAS             next;
+    uint32_t                       planeLocationCapacityInput;
+    uint32_t                       planeLocationCountOutput;
+    XrPlaneDetectorLocationEXT*    planeLocations;
+} XrPlaneDetectorLocationsEXT;
+
+typedef struct XrPlaneDetectorPolygonBufferEXT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              vertexCapacityInput;
+    uint32_t              vertexCountOutput;
+    XrVector2f*           vertices;
+} XrPlaneDetectorPolygonBufferEXT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreatePlaneDetectorEXT)(XrSession session, const XrPlaneDetectorCreateInfoEXT* createInfo, XrPlaneDetectorEXT* planeDetector);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyPlaneDetectorEXT)(XrPlaneDetectorEXT planeDetector);
+typedef XrResult (XRAPI_PTR *PFN_xrBeginPlaneDetectionEXT)(XrPlaneDetectorEXT planeDetector, const XrPlaneDetectorBeginInfoEXT* beginInfo);
+typedef XrResult (XRAPI_PTR *PFN_xrGetPlaneDetectionStateEXT)(XrPlaneDetectorEXT planeDetector, XrPlaneDetectionStateEXT* state);
+typedef XrResult (XRAPI_PTR *PFN_xrGetPlaneDetectionsEXT)(XrPlaneDetectorEXT planeDetector, const XrPlaneDetectorGetInfoEXT* info, XrPlaneDetectorLocationsEXT* locations);
+typedef XrResult (XRAPI_PTR *PFN_xrGetPlanePolygonBufferEXT)(XrPlaneDetectorEXT planeDetector, uint64_t planeId, uint32_t polygonBufferIndex, XrPlaneDetectorPolygonBufferEXT* polygonBuffer);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreatePlaneDetectorEXT(
+    XrSession                                   session,
+    const XrPlaneDetectorCreateInfoEXT*         createInfo,
+    XrPlaneDetectorEXT*                         planeDetector);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyPlaneDetectorEXT(
+    XrPlaneDetectorEXT                          planeDetector);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrBeginPlaneDetectionEXT(
+    XrPlaneDetectorEXT                          planeDetector,
+    const XrPlaneDetectorBeginInfoEXT*          beginInfo);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetPlaneDetectionStateEXT(
+    XrPlaneDetectorEXT                          planeDetector,
+    XrPlaneDetectionStateEXT*                   state);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetPlaneDetectionsEXT(
+    XrPlaneDetectorEXT                          planeDetector,
+    const XrPlaneDetectorGetInfoEXT*            info,
+    XrPlaneDetectorLocationsEXT*                locations);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetPlanePolygonBufferEXT(
+    XrPlaneDetectorEXT                          planeDetector,
+    uint64_t                                    planeId,
+    uint32_t                                    polygonBufferIndex,
+    XrPlaneDetectorPolygonBufferEXT*            polygonBuffer);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_OPPO_controller_interaction is a preprocessor guard. Do not pass it to API calls.
+#define XR_OPPO_controller_interaction 1
+#define XR_OPPO_controller_interaction_SPEC_VERSION 1
+#define XR_OPPO_CONTROLLER_INTERACTION_EXTENSION_NAME "XR_OPPO_controller_interaction"
+
+
+// XR_ANDROID_trackables is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_trackables 1
+
+#define XR_NULL_TRACKABLE_ANDROID 0
+
+XR_DEFINE_ATOM(XrTrackableANDROID)
+XR_DEFINE_HANDLE(XrTrackableTrackerANDROID)
+#define XR_ANDROID_trackables_SPEC_VERSION 2
+#define XR_ANDROID_TRACKABLES_EXTENSION_NAME "XR_ANDROID_trackables"
+
+typedef enum XrTrackingStateANDROID {
+    XR_TRACKING_STATE_PAUSED_ANDROID = 0,
+    XR_TRACKING_STATE_STOPPED_ANDROID = 1,
+    XR_TRACKING_STATE_TRACKING_ANDROID = 2,
+    XR_TRACKING_STATE_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrTrackingStateANDROID;
+
+typedef enum XrTrackableTypeANDROID {
+    XR_TRACKABLE_TYPE_NOT_VALID_ANDROID = 0,
+    XR_TRACKABLE_TYPE_PLANE_ANDROID = 1,
+    XR_TRACKABLE_TYPE_DEPTH_ANDROID = 1000463000,
+    XR_TRACKABLE_TYPE_OBJECT_ANDROID = 1000466000,
+    XR_TRACKABLE_TYPE_MARKER_ANDROID = 1000707000,
+    XR_TRACKABLE_TYPE_QR_CODE_ANDROID = 1000708000,
+    XR_TRACKABLE_TYPE_IMAGE_ANDROID = 1000709000,
+    XR_TRACKABLE_TYPE_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrTrackableTypeANDROID;
+
+typedef enum XrPlaneTypeANDROID {
+    XR_PLANE_TYPE_HORIZONTAL_DOWNWARD_FACING_ANDROID = 0,
+    XR_PLANE_TYPE_HORIZONTAL_UPWARD_FACING_ANDROID = 1,
+    XR_PLANE_TYPE_VERTICAL_ANDROID = 2,
+    XR_PLANE_TYPE_ARBITRARY_ANDROID = 3,
+    XR_PLANE_TYPE_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrPlaneTypeANDROID;
+
+typedef enum XrPlaneLabelANDROID {
+    XR_PLANE_LABEL_UNKNOWN_ANDROID = 0,
+    XR_PLANE_LABEL_WALL_ANDROID = 1,
+    XR_PLANE_LABEL_FLOOR_ANDROID = 2,
+    XR_PLANE_LABEL_CEILING_ANDROID = 3,
+    XR_PLANE_LABEL_TABLE_ANDROID = 4,
+    XR_PLANE_LABEL_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrPlaneLabelANDROID;
+typedef struct XrTrackableTrackerCreateInfoANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrTrackableTypeANDROID      trackableType;
+} XrTrackableTrackerCreateInfoANDROID;
+
+typedef struct XrTrackableGetInfoANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrTrackableANDROID          trackable;
+    XrSpace                     baseSpace;
+    XrTime                      time;
+} XrTrackableGetInfoANDROID;
+
+typedef struct XrTrackablePlaneANDROID {
+    XrStructureType           type;
+    void* XR_MAY_ALIAS        next;
+    XrTrackingStateANDROID    trackingState;
+    XrPosef                   centerPose;
+    XrExtent2Df               extents;
+    XrPlaneTypeANDROID        planeType;
+    XrPlaneLabelANDROID       planeLabel;
+    XrTrackableANDROID        subsumedByPlane;
+    XrTime                    lastUpdatedTime;
+    uint32_t                  vertexCapacityInput;
+    uint32_t*                 vertexCountOutput;
+    XrVector2f*               vertices;
+} XrTrackablePlaneANDROID;
+
+typedef struct XrAnchorSpaceCreateInfoANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     space;
+    XrTime                      time;
+    XrPosef                     pose;
+    XrTrackableANDROID          trackable;
+} XrAnchorSpaceCreateInfoANDROID;
+
+// XrSystemTrackablesPropertiesANDROID extends XrSystemProperties
+typedef struct XrSystemTrackablesPropertiesANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrBool32                    supportsAnchor;
+    uint32_t                    maxAnchors;
+} XrSystemTrackablesPropertiesANDROID;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateSupportedTrackableTypesANDROID)(XrInstance instance, XrSystemId systemId, uint32_t trackableTypeCapacityInput, uint32_t* trackableTypeCountOutput, XrTrackableTypeANDROID* trackableTypes);
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateSupportedAnchorTrackableTypesANDROID)(XrInstance instance, XrSystemId systemId, uint32_t trackableTypeCapacityInput, uint32_t* trackableTypeCountOutput, XrTrackableTypeANDROID* trackableTypes);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateTrackableTrackerANDROID)(XrSession session, const XrTrackableTrackerCreateInfoANDROID* createInfo, XrTrackableTrackerANDROID* trackableTracker);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyTrackableTrackerANDROID)(XrTrackableTrackerANDROID trackableTracker);
+typedef XrResult (XRAPI_PTR *PFN_xrGetAllTrackablesANDROID)(XrTrackableTrackerANDROID trackableTracker, uint32_t trackableCapacityInput, uint32_t* trackableCountOutput, XrTrackableANDROID* trackables);
+typedef XrResult (XRAPI_PTR *PFN_xrGetTrackablePlaneANDROID)(XrTrackableTrackerANDROID trackableTracker, const XrTrackableGetInfoANDROID* getInfo, XrTrackablePlaneANDROID* planeOutput);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateAnchorSpaceANDROID)(XrSession session, const XrAnchorSpaceCreateInfoANDROID* createInfo, XrSpace* anchorOutput);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateSupportedTrackableTypesANDROID(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    uint32_t                                    trackableTypeCapacityInput,
+    uint32_t*                                   trackableTypeCountOutput,
+    XrTrackableTypeANDROID*                     trackableTypes);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateSupportedAnchorTrackableTypesANDROID(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    uint32_t                                    trackableTypeCapacityInput,
+    uint32_t*                                   trackableTypeCountOutput,
+    XrTrackableTypeANDROID*                     trackableTypes);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateTrackableTrackerANDROID(
+    XrSession                                   session,
+    const XrTrackableTrackerCreateInfoANDROID*  createInfo,
+    XrTrackableTrackerANDROID*                  trackableTracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyTrackableTrackerANDROID(
+    XrTrackableTrackerANDROID                   trackableTracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetAllTrackablesANDROID(
+    XrTrackableTrackerANDROID                   trackableTracker,
+    uint32_t                                    trackableCapacityInput,
+    uint32_t*                                   trackableCountOutput,
+    XrTrackableANDROID*                         trackables);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetTrackablePlaneANDROID(
+    XrTrackableTrackerANDROID                   trackableTracker,
+    const XrTrackableGetInfoANDROID*            getInfo,
+    XrTrackablePlaneANDROID*                    planeOutput);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateAnchorSpaceANDROID(
+    XrSession                                   session,
+    const XrAnchorSpaceCreateInfoANDROID*       createInfo,
+    XrSpace*                                    anchorOutput);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ANDROID_eye_tracking is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_eye_tracking 1
+XR_DEFINE_HANDLE(XrEyeTrackerANDROID)
+#define XR_EYE_MAX_ANDROID                2
+#define XR_ANDROID_eye_tracking_SPEC_VERSION 1
+#define XR_ANDROID_EYE_TRACKING_EXTENSION_NAME "XR_ANDROID_eye_tracking"
+
+typedef enum XrEyeIndexANDROID {
+    XR_EYE_INDEX_LEFT_ANDROID = 0,
+    XR_EYE_INDEX_RIGHT_ANDROID = 1,
+    XR_EYE_INDEX_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrEyeIndexANDROID;
+
+typedef enum XrEyeStateANDROID {
+    XR_EYE_STATE_INVALID_ANDROID = 0,
+    XR_EYE_STATE_GAZING_ANDROID = 1,
+    XR_EYE_STATE_SHUT_ANDROID = 2,
+    XR_EYE_STATE_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrEyeStateANDROID;
+
+typedef enum XrEyeTrackingModeANDROID {
+    XR_EYE_TRACKING_MODE_NOT_TRACKING_ANDROID = 0,
+    XR_EYE_TRACKING_MODE_RIGHT_ANDROID = 1,
+    XR_EYE_TRACKING_MODE_LEFT_ANDROID = 2,
+    XR_EYE_TRACKING_MODE_BOTH_ANDROID = 3,
+    XR_EYE_TRACKING_MODE_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrEyeTrackingModeANDROID;
+// XrSystemEyeTrackingPropertiesANDROID extends XrSystemProperties
+typedef struct XrSystemEyeTrackingPropertiesANDROID {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsEyeTracking;
+} XrSystemEyeTrackingPropertiesANDROID;
+
+typedef struct XrEyeANDROID {
+    XrEyeStateANDROID    eyeState;
+    XrPosef              eyePose;
+} XrEyeANDROID;
+
+typedef struct XrEyesANDROID {
+    XrStructureType             type;
+    void* XR_MAY_ALIAS          next;
+    XrEyeANDROID                eyes[XR_EYE_MAX_ANDROID];
+    XrEyeTrackingModeANDROID    mode;
+} XrEyesANDROID;
+
+typedef struct XrEyesGetInfoANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrTime                      time;
+    XrSpace                     baseSpace;
+} XrEyesGetInfoANDROID;
+
+typedef struct XrEyeTrackerCreateInfoANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrEyeTrackerCreateInfoANDROID;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateEyeTrackerANDROID)(XrSession session, const XrEyeTrackerCreateInfoANDROID* createInfo, XrEyeTrackerANDROID* eyeTracker);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyEyeTrackerANDROID)(XrEyeTrackerANDROID eyeTracker);
+typedef XrResult (XRAPI_PTR *PFN_xrGetFineTrackingEyesInfoANDROID)(XrEyeTrackerANDROID eyeTracker, const XrEyesGetInfoANDROID* getInfo, XrEyesANDROID* eyesOutput);
+typedef XrResult (XRAPI_PTR *PFN_xrGetCoarseTrackingEyesInfoANDROID)(XrEyeTrackerANDROID eyeTracker, const XrEyesGetInfoANDROID* getInfo, XrEyesANDROID* eyesOutput);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateEyeTrackerANDROID(
+    XrSession                                   session,
+    const XrEyeTrackerCreateInfoANDROID*        createInfo,
+    XrEyeTrackerANDROID*                        eyeTracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyEyeTrackerANDROID(
+    XrEyeTrackerANDROID                         eyeTracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetFineTrackingEyesInfoANDROID(
+    XrEyeTrackerANDROID                         eyeTracker,
+    const XrEyesGetInfoANDROID*                 getInfo,
+    XrEyesANDROID*                              eyesOutput);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetCoarseTrackingEyesInfoANDROID(
+    XrEyeTrackerANDROID                         eyeTracker,
+    const XrEyesGetInfoANDROID*                 getInfo,
+    XrEyesANDROID*                              eyesOutput);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ANDROID_device_anchor_persistence is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_device_anchor_persistence 1
+XR_DEFINE_HANDLE(XrDeviceAnchorPersistenceANDROID)
+#define XR_ANDROID_device_anchor_persistence_SPEC_VERSION 1
+#define XR_ANDROID_DEVICE_ANCHOR_PERSISTENCE_EXTENSION_NAME "XR_ANDROID_device_anchor_persistence"
+
+typedef enum XrAnchorPersistStateANDROID {
+    XR_ANCHOR_PERSIST_STATE_PERSIST_NOT_REQUESTED_ANDROID = 0,
+    XR_ANCHOR_PERSIST_STATE_PERSIST_PENDING_ANDROID = 1,
+    XR_ANCHOR_PERSIST_STATE_PERSISTED_ANDROID = 2,
+    XR_ANCHOR_PERSIST_STATE_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrAnchorPersistStateANDROID;
+typedef struct XrDeviceAnchorPersistenceCreateInfoANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrDeviceAnchorPersistenceCreateInfoANDROID;
+
+typedef struct XrPersistedAnchorSpaceCreateInfoANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrUuidEXT                   anchorId;
+} XrPersistedAnchorSpaceCreateInfoANDROID;
+
+typedef struct XrPersistedAnchorSpaceInfoANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     anchor;
+} XrPersistedAnchorSpaceInfoANDROID;
+
+// XrSystemDeviceAnchorPersistencePropertiesANDROID extends XrSystemProperties
+typedef struct XrSystemDeviceAnchorPersistencePropertiesANDROID {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsAnchorPersistence;
+} XrSystemDeviceAnchorPersistencePropertiesANDROID;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateSupportedPersistenceAnchorTypesANDROID)(XrInstance instance, XrSystemId systemId, uint32_t trackableTypeCapacityInput, uint32_t* trackableTypeCountOutput, XrTrackableTypeANDROID* trackableTypes);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateDeviceAnchorPersistenceANDROID)(XrSession session, const XrDeviceAnchorPersistenceCreateInfoANDROID* createInfo, XrDeviceAnchorPersistenceANDROID* outHandle);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyDeviceAnchorPersistenceANDROID)(XrDeviceAnchorPersistenceANDROID handle);
+typedef XrResult (XRAPI_PTR *PFN_xrPersistAnchorANDROID)(XrDeviceAnchorPersistenceANDROID handle, const XrPersistedAnchorSpaceInfoANDROID* persistedInfo, XrUuidEXT* anchorIdOutput);
+typedef XrResult (XRAPI_PTR *PFN_xrGetAnchorPersistStateANDROID)(XrDeviceAnchorPersistenceANDROID handle, const XrUuidEXT* anchorId, XrAnchorPersistStateANDROID* persistState);
+typedef XrResult (XRAPI_PTR *PFN_xrCreatePersistedAnchorSpaceANDROID)(XrDeviceAnchorPersistenceANDROID handle, const XrPersistedAnchorSpaceCreateInfoANDROID* createInfo, XrSpace* anchorOutput);
+typedef XrResult (XRAPI_PTR *PFN_xrEnumeratePersistedAnchorsANDROID)(XrDeviceAnchorPersistenceANDROID handle, uint32_t anchorIdCapacityInput, uint32_t* anchorIdCountOutput, XrUuidEXT* anchorIds);
+typedef XrResult (XRAPI_PTR *PFN_xrUnpersistAnchorANDROID)(XrDeviceAnchorPersistenceANDROID handle, const XrUuidEXT* anchorId);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateSupportedPersistenceAnchorTypesANDROID(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    uint32_t                                    trackableTypeCapacityInput,
+    uint32_t*                                   trackableTypeCountOutput,
+    XrTrackableTypeANDROID*                     trackableTypes);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateDeviceAnchorPersistenceANDROID(
+    XrSession                                   session,
+    const XrDeviceAnchorPersistenceCreateInfoANDROID* createInfo,
+    XrDeviceAnchorPersistenceANDROID*           outHandle);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyDeviceAnchorPersistenceANDROID(
+    XrDeviceAnchorPersistenceANDROID            handle);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrPersistAnchorANDROID(
+    XrDeviceAnchorPersistenceANDROID            handle,
+    const XrPersistedAnchorSpaceInfoANDROID*    persistedInfo,
+    XrUuidEXT*                                  anchorIdOutput);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetAnchorPersistStateANDROID(
+    XrDeviceAnchorPersistenceANDROID            handle,
+    const XrUuidEXT*                            anchorId,
+    XrAnchorPersistStateANDROID*                persistState);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreatePersistedAnchorSpaceANDROID(
+    XrDeviceAnchorPersistenceANDROID            handle,
+    const XrPersistedAnchorSpaceCreateInfoANDROID* createInfo,
+    XrSpace*                                    anchorOutput);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumeratePersistedAnchorsANDROID(
+    XrDeviceAnchorPersistenceANDROID            handle,
+    uint32_t                                    anchorIdCapacityInput,
+    uint32_t*                                   anchorIdCountOutput,
+    XrUuidEXT*                                  anchorIds);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrUnpersistAnchorANDROID(
+    XrDeviceAnchorPersistenceANDROID            handle,
+    const XrUuidEXT*                            anchorId);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ANDROID_face_tracking is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_face_tracking 1
+XR_DEFINE_HANDLE(XrFaceTrackerANDROID)
+#define XR_ANDROID_face_tracking_SPEC_VERSION 1
+#define XR_ANDROID_FACE_TRACKING_EXTENSION_NAME "XR_ANDROID_face_tracking"
+#define XR_FACE_PARAMETER_COUNT_ANDROID   68
+#define XR_FACE_REGION_CONFIDENCE_COUNT_ANDROID 3
+
+typedef enum XrFaceParameterIndicesANDROID {
+    XR_FACE_PARAMETER_INDICES_BROW_LOWERER_L_ANDROID = 0,
+    XR_FACE_PARAMETER_INDICES_BROW_LOWERER_R_ANDROID = 1,
+    XR_FACE_PARAMETER_INDICES_CHEEK_PUFF_L_ANDROID = 2,
+    XR_FACE_PARAMETER_INDICES_CHEEK_PUFF_R_ANDROID = 3,
+    XR_FACE_PARAMETER_INDICES_CHEEK_RAISER_L_ANDROID = 4,
+    XR_FACE_PARAMETER_INDICES_CHEEK_RAISER_R_ANDROID = 5,
+    XR_FACE_PARAMETER_INDICES_CHEEK_SUCK_L_ANDROID = 6,
+    XR_FACE_PARAMETER_INDICES_CHEEK_SUCK_R_ANDROID = 7,
+    XR_FACE_PARAMETER_INDICES_CHIN_RAISER_B_ANDROID = 8,
+    XR_FACE_PARAMETER_INDICES_CHIN_RAISER_T_ANDROID = 9,
+    XR_FACE_PARAMETER_INDICES_DIMPLER_L_ANDROID = 10,
+    XR_FACE_PARAMETER_INDICES_DIMPLER_R_ANDROID = 11,
+    XR_FACE_PARAMETER_INDICES_EYES_CLOSED_L_ANDROID = 12,
+    XR_FACE_PARAMETER_INDICES_EYES_CLOSED_R_ANDROID = 13,
+    XR_FACE_PARAMETER_INDICES_EYES_LOOK_DOWN_L_ANDROID = 14,
+    XR_FACE_PARAMETER_INDICES_EYES_LOOK_DOWN_R_ANDROID = 15,
+    XR_FACE_PARAMETER_INDICES_EYES_LOOK_LEFT_L_ANDROID = 16,
+    XR_FACE_PARAMETER_INDICES_EYES_LOOK_LEFT_R_ANDROID = 17,
+    XR_FACE_PARAMETER_INDICES_EYES_LOOK_RIGHT_L_ANDROID = 18,
+    XR_FACE_PARAMETER_INDICES_EYES_LOOK_RIGHT_R_ANDROID = 19,
+    XR_FACE_PARAMETER_INDICES_EYES_LOOK_UP_L_ANDROID = 20,
+    XR_FACE_PARAMETER_INDICES_EYES_LOOK_UP_R_ANDROID = 21,
+    XR_FACE_PARAMETER_INDICES_INNER_BROW_RAISER_L_ANDROID = 22,
+    XR_FACE_PARAMETER_INDICES_INNER_BROW_RAISER_R_ANDROID = 23,
+    XR_FACE_PARAMETER_INDICES_JAW_DROP_ANDROID = 24,
+    XR_FACE_PARAMETER_INDICES_JAW_SIDEWAYS_LEFT_ANDROID = 25,
+    XR_FACE_PARAMETER_INDICES_JAW_SIDEWAYS_RIGHT_ANDROID = 26,
+    XR_FACE_PARAMETER_INDICES_JAW_THRUST_ANDROID = 27,
+    XR_FACE_PARAMETER_INDICES_LID_TIGHTENER_L_ANDROID = 28,
+    XR_FACE_PARAMETER_INDICES_LID_TIGHTENER_R_ANDROID = 29,
+    XR_FACE_PARAMETER_INDICES_LIP_CORNER_DEPRESSOR_L_ANDROID = 30,
+    XR_FACE_PARAMETER_INDICES_LIP_CORNER_DEPRESSOR_R_ANDROID = 31,
+    XR_FACE_PARAMETER_INDICES_LIP_CORNER_PULLER_L_ANDROID = 32,
+    XR_FACE_PARAMETER_INDICES_LIP_CORNER_PULLER_R_ANDROID = 33,
+    XR_FACE_PARAMETER_INDICES_LIP_FUNNELER_LB_ANDROID = 34,
+    XR_FACE_PARAMETER_INDICES_LIP_FUNNELER_LT_ANDROID = 35,
+    XR_FACE_PARAMETER_INDICES_LIP_FUNNELER_RB_ANDROID = 36,
+    XR_FACE_PARAMETER_INDICES_LIP_FUNNELER_RT_ANDROID = 37,
+    XR_FACE_PARAMETER_INDICES_LIP_PRESSOR_L_ANDROID = 38,
+    XR_FACE_PARAMETER_INDICES_LIP_PRESSOR_R_ANDROID = 39,
+    XR_FACE_PARAMETER_INDICES_LIP_PUCKER_L_ANDROID = 40,
+    XR_FACE_PARAMETER_INDICES_LIP_PUCKER_R_ANDROID = 41,
+    XR_FACE_PARAMETER_INDICES_LIP_STRETCHER_L_ANDROID = 42,
+    XR_FACE_PARAMETER_INDICES_LIP_STRETCHER_R_ANDROID = 43,
+    XR_FACE_PARAMETER_INDICES_LIP_SUCK_LB_ANDROID = 44,
+    XR_FACE_PARAMETER_INDICES_LIP_SUCK_LT_ANDROID = 45,
+    XR_FACE_PARAMETER_INDICES_LIP_SUCK_RB_ANDROID = 46,
+    XR_FACE_PARAMETER_INDICES_LIP_SUCK_RT_ANDROID = 47,
+    XR_FACE_PARAMETER_INDICES_LIP_TIGHTENER_L_ANDROID = 48,
+    XR_FACE_PARAMETER_INDICES_LIP_TIGHTENER_R_ANDROID = 49,
+    XR_FACE_PARAMETER_INDICES_LIPS_TOWARD_ANDROID = 50,
+    XR_FACE_PARAMETER_INDICES_LOWER_LIP_DEPRESSOR_L_ANDROID = 51,
+    XR_FACE_PARAMETER_INDICES_LOWER_LIP_DEPRESSOR_R_ANDROID = 52,
+    XR_FACE_PARAMETER_INDICES_MOUTH_LEFT_ANDROID = 53,
+    XR_FACE_PARAMETER_INDICES_MOUTH_RIGHT_ANDROID = 54,
+    XR_FACE_PARAMETER_INDICES_NOSE_WRINKLER_L_ANDROID = 55,
+    XR_FACE_PARAMETER_INDICES_NOSE_WRINKLER_R_ANDROID = 56,
+    XR_FACE_PARAMETER_INDICES_OUTER_BROW_RAISER_L_ANDROID = 57,
+    XR_FACE_PARAMETER_INDICES_OUTER_BROW_RAISER_R_ANDROID = 58,
+    XR_FACE_PARAMETER_INDICES_UPPER_LID_RAISER_L_ANDROID = 59,
+    XR_FACE_PARAMETER_INDICES_UPPER_LID_RAISER_R_ANDROID = 60,
+    XR_FACE_PARAMETER_INDICES_UPPER_LIP_RAISER_L_ANDROID = 61,
+    XR_FACE_PARAMETER_INDICES_UPPER_LIP_RAISER_R_ANDROID = 62,
+    XR_FACE_PARAMETER_INDICES_TONGUE_OUT_ANDROID = 63,
+    XR_FACE_PARAMETER_INDICES_TONGUE_LEFT_ANDROID = 64,
+    XR_FACE_PARAMETER_INDICES_TONGUE_RIGHT_ANDROID = 65,
+    XR_FACE_PARAMETER_INDICES_TONGUE_UP_ANDROID = 66,
+    XR_FACE_PARAMETER_INDICES_TONGUE_DOWN_ANDROID = 67,
+    XR_FACE_PARAMETER_INDICES_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrFaceParameterIndicesANDROID;
+
+typedef enum XrFaceTrackingStateANDROID {
+    XR_FACE_TRACKING_STATE_PAUSED_ANDROID = 0,
+    XR_FACE_TRACKING_STATE_STOPPED_ANDROID = 1,
+    XR_FACE_TRACKING_STATE_TRACKING_ANDROID = 2,
+    XR_FACE_TRACKING_STATE_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrFaceTrackingStateANDROID;
+
+typedef enum XrFaceConfidenceRegionsANDROID {
+    XR_FACE_CONFIDENCE_REGIONS_LOWER_ANDROID = 0,
+    XR_FACE_CONFIDENCE_REGIONS_LEFT_UPPER_ANDROID = 1,
+    XR_FACE_CONFIDENCE_REGIONS_RIGHT_UPPER_ANDROID = 2,
+    XR_FACE_CONFIDENCE_REGIONS_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrFaceConfidenceRegionsANDROID;
+typedef struct XrFaceTrackerCreateInfoANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrFaceTrackerCreateInfoANDROID;
+
+typedef struct XrFaceStateGetInfoANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrTime                      time;
+} XrFaceStateGetInfoANDROID;
+
+typedef struct XrFaceStateANDROID {
+    XrStructureType               type;
+    void* XR_MAY_ALIAS            next;
+    uint32_t                      parametersCapacityInput;
+    uint32_t                      parametersCountOutput;
+    float*                        parameters;
+    XrFaceTrackingStateANDROID    faceTrackingState;
+    XrTime                        sampleTime;
+    XrBool32                      isValid;
+    uint32_t                      regionConfidencesCapacityInput;
+    uint32_t                      regionConfidencesCountOutput;
+    float*                        regionConfidences;
+} XrFaceStateANDROID;
+
+// XrSystemFaceTrackingPropertiesANDROID extends XrSystemProperties
+typedef struct XrSystemFaceTrackingPropertiesANDROID {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsFaceTracking;
+} XrSystemFaceTrackingPropertiesANDROID;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateFaceTrackerANDROID)(XrSession session, const XrFaceTrackerCreateInfoANDROID* createInfo, XrFaceTrackerANDROID* faceTracker);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyFaceTrackerANDROID)(XrFaceTrackerANDROID faceTracker);
+typedef XrResult (XRAPI_PTR *PFN_xrGetFaceStateANDROID)(XrFaceTrackerANDROID faceTracker, const XrFaceStateGetInfoANDROID* getInfo, XrFaceStateANDROID* faceStateOutput);
+typedef XrResult (XRAPI_PTR *PFN_xrGetFaceCalibrationStateANDROID)(XrFaceTrackerANDROID faceTracker, XrBool32* faceIsCalibratedOutput);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateFaceTrackerANDROID(
+    XrSession                                   session,
+    const XrFaceTrackerCreateInfoANDROID*       createInfo,
+    XrFaceTrackerANDROID*                       faceTracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyFaceTrackerANDROID(
+    XrFaceTrackerANDROID                        faceTracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetFaceStateANDROID(
+    XrFaceTrackerANDROID                        faceTracker,
+    const XrFaceStateGetInfoANDROID*            getInfo,
+    XrFaceStateANDROID*                         faceStateOutput);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetFaceCalibrationStateANDROID(
+    XrFaceTrackerANDROID                        faceTracker,
+    XrBool32*                                   faceIsCalibratedOutput);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ANDROID_passthrough_camera_state is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_passthrough_camera_state 1
+#define XR_ANDROID_passthrough_camera_state_SPEC_VERSION 1
+#define XR_ANDROID_PASSTHROUGH_CAMERA_STATE_EXTENSION_NAME "XR_ANDROID_passthrough_camera_state"
+
+typedef enum XrPassthroughCameraStateANDROID {
+    XR_PASSTHROUGH_CAMERA_STATE_DISABLED_ANDROID = 0,
+    XR_PASSTHROUGH_CAMERA_STATE_INITIALIZING_ANDROID = 1,
+    XR_PASSTHROUGH_CAMERA_STATE_READY_ANDROID = 2,
+    XR_PASSTHROUGH_CAMERA_STATE_ERROR_ANDROID = 3,
+    XR_PASSTHROUGH_CAMERA_STATE_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrPassthroughCameraStateANDROID;
+// XrSystemPassthroughCameraStatePropertiesANDROID extends XrSystemProperties
+typedef struct XrSystemPassthroughCameraStatePropertiesANDROID {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsPassthroughCameraState;
+} XrSystemPassthroughCameraStatePropertiesANDROID;
+
+typedef struct XrPassthroughCameraStateGetInfoANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrPassthroughCameraStateGetInfoANDROID;
+
+typedef XrResult (XRAPI_PTR *PFN_xrGetPassthroughCameraStateANDROID)(XrSession session, const XrPassthroughCameraStateGetInfoANDROID* getInfo, XrPassthroughCameraStateANDROID* cameraStateOutput);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetPassthroughCameraStateANDROID(
+    XrSession                                   session,
+    const XrPassthroughCameraStateGetInfoANDROID* getInfo,
+    XrPassthroughCameraStateANDROID*            cameraStateOutput);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ANDROID_recommended_resolution is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_recommended_resolution 1
+#define XR_ANDROID_recommended_resolution_SPEC_VERSION 1
+#define XR_ANDROID_RECOMMENDED_RESOLUTION_EXTENSION_NAME "XR_ANDROID_recommended_resolution"
+typedef struct XrEventDataRecommendedResolutionChangedANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrEventDataRecommendedResolutionChangedANDROID;
+
+
+
+// XR_ANDROID_composition_layer_passthrough_mesh is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_composition_layer_passthrough_mesh 1
+XR_DEFINE_HANDLE(XrPassthroughLayerANDROID)
+#define XR_ANDROID_composition_layer_passthrough_mesh_SPEC_VERSION 1
+#define XR_ANDROID_COMPOSITION_LAYER_PASSTHROUGH_MESH_EXTENSION_NAME "XR_ANDROID_composition_layer_passthrough_mesh"
+
+typedef enum XrWindingOrderANDROID {
+    XR_WINDING_ORDER_UNKNOWN_ANDROID = 0,
+    XR_WINDING_ORDER_CW_ANDROID = 1,
+    XR_WINDING_ORDER_CCW_ANDROID = 2,
+    XR_WINDING_ORDER_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrWindingOrderANDROID;
+typedef struct XrPassthroughLayerCreateInfoANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    vertexCapacity;
+    uint32_t                    indexCapacity;
+} XrPassthroughLayerCreateInfoANDROID;
+
+// XrPassthroughLayerMeshANDROID extends XrPassthroughLayerCreateInfoANDROID
+typedef struct XrPassthroughLayerMeshANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrWindingOrderANDROID       windingOrder;
+    uint32_t                    vertexCount;
+    const XrVector3f*           vertices;
+    uint32_t                    indexCount;
+    const uint16_t*             indices;
+} XrPassthroughLayerMeshANDROID;
+
+typedef struct XrCompositionLayerPassthroughANDROID {
+    XrStructureType              type;
+    const void* XR_MAY_ALIAS     next;
+    XrCompositionLayerFlags      layerFlags;
+    XrSpace                      space;
+    XrPosef                      pose;
+    XrVector3f                   scale;
+    float                        opacity;
+    XrPassthroughLayerANDROID    layer;
+} XrCompositionLayerPassthroughANDROID;
+
+// XrSystemPassthroughLayerPropertiesANDROID extends XrSystemProperties
+typedef struct XrSystemPassthroughLayerPropertiesANDROID {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsPassthroughLayer;
+    uint32_t              maxMeshIndexCount;
+    uint32_t              maxMeshVertexCount;
+} XrSystemPassthroughLayerPropertiesANDROID;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreatePassthroughLayerANDROID)(XrSession session, const XrPassthroughLayerCreateInfoANDROID* createInfo, XrPassthroughLayerANDROID* layer);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyPassthroughLayerANDROID)(XrPassthroughLayerANDROID layer);
+typedef XrResult (XRAPI_PTR *PFN_xrSetPassthroughLayerMeshANDROID)(XrPassthroughLayerANDROID layer, const XrPassthroughLayerMeshANDROID* mesh);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreatePassthroughLayerANDROID(
+    XrSession                                   session,
+    const XrPassthroughLayerCreateInfoANDROID*  createInfo,
+    XrPassthroughLayerANDROID*                  layer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyPassthroughLayerANDROID(
+    XrPassthroughLayerANDROID                   layer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSetPassthroughLayerMeshANDROID(
+    XrPassthroughLayerANDROID                   layer,
+    const XrPassthroughLayerMeshANDROID*        mesh);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ANDROID_raycast is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_raycast 1
+#define XR_ANDROID_raycast_SPEC_VERSION   1
+#define XR_ANDROID_RAYCAST_EXTENSION_NAME "XR_ANDROID_raycast"
+typedef struct XrRaycastInfoANDROID {
+    XrStructureType                     type;
+    const void* XR_MAY_ALIAS            next;
+    uint32_t                            maxResults;
+    uint32_t                            trackerCount;
+    const XrTrackableTrackerANDROID*    trackers;
+    XrVector3f                          origin;
+    XrVector3f                          trajectory;
+    XrSpace                             space;
+    XrTime                              time;
+} XrRaycastInfoANDROID;
+
+typedef struct XrRaycastHitResultANDROID {
+    XrTrackableTypeANDROID    type;
+    XrTrackableANDROID        trackable;
+    XrPosef                   pose;
+} XrRaycastHitResultANDROID;
+
+typedef struct XrRaycastHitResultsANDROID {
+    XrStructureType               type;
+    void* XR_MAY_ALIAS            next;
+    uint32_t                      resultsCapacityInput;
+    uint32_t                      resultsCountOutput;
+    XrRaycastHitResultANDROID*    results;
+} XrRaycastHitResultsANDROID;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateRaycastSupportedTrackableTypesANDROID)(XrInstance instance, XrSystemId systemId, uint32_t trackableTypeCapacityInput, uint32_t* trackableTypeCountOutput, XrTrackableTypeANDROID* trackableTypes);
+typedef XrResult (XRAPI_PTR *PFN_xrRaycastANDROID)(XrSession session, const XrRaycastInfoANDROID* rayInfo, XrRaycastHitResultsANDROID* results);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateRaycastSupportedTrackableTypesANDROID(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    uint32_t                                    trackableTypeCapacityInput,
+    uint32_t*                                   trackableTypeCountOutput,
+    XrTrackableTypeANDROID*                     trackableTypes);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrRaycastANDROID(
+    XrSession                                   session,
+    const XrRaycastInfoANDROID*                 rayInfo,
+    XrRaycastHitResultsANDROID*                 results);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ANDROID_performance_metrics is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_performance_metrics 1
+#define XR_ANDROID_performance_metrics_SPEC_VERSION 1
+#define XR_ANDROID_PERFORMANCE_METRICS_EXTENSION_NAME "XR_ANDROID_performance_metrics"
+
+typedef enum XrPerformanceMetricsCounterUnitANDROID {
+    XR_PERFORMANCE_METRICS_COUNTER_UNIT_GENERIC_ANDROID = 0,
+    XR_PERFORMANCE_METRICS_COUNTER_UNIT_PERCENTAGE_ANDROID = 1,
+    XR_PERFORMANCE_METRICS_COUNTER_UNIT_MILLISECONDS_ANDROID = 2,
+    XR_PERFORMANCE_METRICS_COUNTER_UNIT_BYTES_ANDROID = 3,
+    XR_PERFORMANCE_METRICS_COUNTER_UNIT_HERTZ_ANDROID = 4,
+    XR_PERFORMANCE_METRICS_COUNTER_UNIT_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrPerformanceMetricsCounterUnitANDROID;
+typedef XrFlags64 XrPerformanceMetricsCounterFlagsANDROID;
+
+// Flag bits for XrPerformanceMetricsCounterFlagsANDROID
+static const XrPerformanceMetricsCounterFlagsANDROID XR_PERFORMANCE_METRICS_COUNTER_ANY_VALUE_VALID_BIT_ANDROID = 0x00000001;
+static const XrPerformanceMetricsCounterFlagsANDROID XR_PERFORMANCE_METRICS_COUNTER_UINT_VALUE_VALID_BIT_ANDROID = 0x00000002;
+static const XrPerformanceMetricsCounterFlagsANDROID XR_PERFORMANCE_METRICS_COUNTER_FLOAT_VALUE_VALID_BIT_ANDROID = 0x00000004;
+
+typedef struct XrPerformanceMetricsStateANDROID {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              enabled;
+} XrPerformanceMetricsStateANDROID;
+
+typedef struct XrPerformanceMetricsCounterANDROID {
+    XrStructureType                            type;
+    void* XR_MAY_ALIAS                         next;
+    XrPerformanceMetricsCounterFlagsANDROID    counterFlags;
+    XrPerformanceMetricsCounterUnitANDROID     counterUnit;
+    uint32_t                                   uintValue;
+    float                                      floatValue;
+} XrPerformanceMetricsCounterANDROID;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnumeratePerformanceMetricsCounterPathsANDROID)(XrInstance instance, uint32_t counterPathCapacityInput, uint32_t* counterPathCountOutput, XrPath* counterPaths);
+typedef XrResult (XRAPI_PTR *PFN_xrSetPerformanceMetricsStateANDROID)(XrSession session, const XrPerformanceMetricsStateANDROID* state);
+typedef XrResult (XRAPI_PTR *PFN_xrGetPerformanceMetricsStateANDROID)(XrSession session, XrPerformanceMetricsStateANDROID* state);
+typedef XrResult (XRAPI_PTR *PFN_xrQueryPerformanceMetricsCounterANDROID)(XrSession session, XrPath counterPath, XrPerformanceMetricsCounterANDROID* counter);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumeratePerformanceMetricsCounterPathsANDROID(
+    XrInstance                                  instance,
+    uint32_t                                    counterPathCapacityInput,
+    uint32_t*                                   counterPathCountOutput,
+    XrPath*                                     counterPaths);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSetPerformanceMetricsStateANDROID(
+    XrSession                                   session,
+    const XrPerformanceMetricsStateANDROID*     state);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetPerformanceMetricsStateANDROID(
+    XrSession                                   session,
+    XrPerformanceMetricsStateANDROID*           state);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrQueryPerformanceMetricsCounterANDROID(
+    XrSession                                   session,
+    XrPath                                      counterPath,
+    XrPerformanceMetricsCounterANDROID*         counter);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ANDROID_trackables_object is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_trackables_object 1
+#define XR_ANDROID_trackables_object_SPEC_VERSION 2
+#define XR_ANDROID_TRACKABLES_OBJECT_EXTENSION_NAME "XR_ANDROID_trackables_object"
+
+typedef enum XrObjectLabelANDROID {
+    XR_OBJECT_LABEL_UNKNOWN_ANDROID = 0,
+    XR_OBJECT_LABEL_KEYBOARD_ANDROID = 1,
+    XR_OBJECT_LABEL_MOUSE_ANDROID = 2,
+    XR_OBJECT_LABEL_LAPTOP_ANDROID = 3,
+    XR_OBJECT_LABEL_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrObjectLabelANDROID;
+typedef struct XrTrackableObjectANDROID {
+    XrStructureType           type;
+    void* XR_MAY_ALIAS        next;
+    XrTrackingStateANDROID    trackingState;
+    XrPosef                   centerPose;
+    XrExtent3DfEXT            extents;
+    XrObjectLabelANDROID      objectLabel;
+    XrTime                    lastUpdatedTime;
+} XrTrackableObjectANDROID;
+
+// XrTrackableObjectConfigurationANDROID extends XrTrackableTrackerCreateInfoANDROID
+typedef struct XrTrackableObjectConfigurationANDROID {
+    XrStructureType                type;
+    void* XR_MAY_ALIAS             next;
+    uint32_t                       labelCount;
+    const XrObjectLabelANDROID*    activeLabels;
+} XrTrackableObjectConfigurationANDROID;
+
+typedef XrResult (XRAPI_PTR *PFN_xrGetTrackableObjectANDROID)(XrTrackableTrackerANDROID tracker, const XrTrackableGetInfoANDROID* getInfo, XrTrackableObjectANDROID* objectOutput);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetTrackableObjectANDROID(
+    XrTrackableTrackerANDROID                   tracker,
+    const XrTrackableGetInfoANDROID*            getInfo,
+    XrTrackableObjectANDROID*                   objectOutput);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ANDROID_unbounded_reference_space is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_unbounded_reference_space 1
+#define XR_ANDROID_unbounded_reference_space_SPEC_VERSION 1
+#define XR_ANDROID_UNBOUNDED_REFERENCE_SPACE_EXTENSION_NAME "XR_ANDROID_unbounded_reference_space"
+
+
+// XR_EXT_future is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_future 1
+#define XR_EXT_future_SPEC_VERSION        2
+#define XR_EXT_FUTURE_EXTENSION_NAME      "XR_EXT_future"
+#define XR_NULL_FUTURE_EXT                0
+
+typedef enum XrFutureStateEXT {
+    XR_FUTURE_STATE_PENDING_EXT = 1,
+    XR_FUTURE_STATE_READY_EXT = 2,
+    XR_FUTURE_STATE_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrFutureStateEXT;
+typedef struct XrFutureCancelInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrFutureEXT                 future;
+} XrFutureCancelInfoEXT;
+
+typedef struct XrFuturePollInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrFutureEXT                 future;
+} XrFuturePollInfoEXT;
+
+typedef struct XR_MAY_ALIAS XrFutureCompletionBaseHeaderEXT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrResult              futureResult;
+} XrFutureCompletionBaseHeaderEXT;
+
+typedef struct XrFuturePollResultEXT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrFutureStateEXT      state;
+} XrFuturePollResultEXT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrPollFutureEXT)(XrInstance instance, const XrFuturePollInfoEXT* pollInfo, XrFuturePollResultEXT* pollResult);
+typedef XrResult (XRAPI_PTR *PFN_xrCancelFutureEXT)(XrInstance instance, const XrFutureCancelInfoEXT* cancelInfo);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrPollFutureEXT(
+    XrInstance                                  instance,
+    const XrFuturePollInfoEXT*                  pollInfo,
+    XrFuturePollResultEXT*                      pollResult);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCancelFutureEXT(
+    XrInstance                                  instance,
+    const XrFutureCancelInfoEXT*                cancelInfo);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_EXT_user_presence is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_user_presence 1
+#define XR_EXT_user_presence_SPEC_VERSION 1
+#define XR_EXT_USER_PRESENCE_EXTENSION_NAME "XR_EXT_user_presence"
+typedef struct XrEventDataUserPresenceChangedEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSession                   session;
+    XrBool32                    isUserPresent;
+} XrEventDataUserPresenceChangedEXT;
+
+// XrSystemUserPresencePropertiesEXT extends XrSystemProperties
+typedef struct XrSystemUserPresencePropertiesEXT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsUserPresence;
+} XrSystemUserPresencePropertiesEXT;
+
+
+
+// XR_ML_user_calibration is a preprocessor guard. Do not pass it to API calls.
+#define XR_ML_user_calibration 1
+#define XR_ML_user_calibration_SPEC_VERSION 1
+#define XR_ML_USER_CALIBRATION_EXTENSION_NAME "XR_ML_user_calibration"
+
+typedef enum XrHeadsetFitStatusML {
+    XR_HEADSET_FIT_STATUS_UNKNOWN_ML = 0,
+    XR_HEADSET_FIT_STATUS_NOT_WORN_ML = 1,
+    XR_HEADSET_FIT_STATUS_GOOD_FIT_ML = 2,
+    XR_HEADSET_FIT_STATUS_BAD_FIT_ML = 3,
+    XR_HEADSET_FIT_STATUS_MAX_ENUM_ML = 0x7FFFFFFF
+} XrHeadsetFitStatusML;
+
+typedef enum XrEyeCalibrationStatusML {
+    XR_EYE_CALIBRATION_STATUS_UNKNOWN_ML = 0,
+    XR_EYE_CALIBRATION_STATUS_NONE_ML = 1,
+    XR_EYE_CALIBRATION_STATUS_COARSE_ML = 2,
+    XR_EYE_CALIBRATION_STATUS_FINE_ML = 3,
+    XR_EYE_CALIBRATION_STATUS_MAX_ENUM_ML = 0x7FFFFFFF
+} XrEyeCalibrationStatusML;
+typedef struct XrEventDataHeadsetFitChangedML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrHeadsetFitStatusML        status;
+    XrTime                      time;
+} XrEventDataHeadsetFitChangedML;
+
+typedef struct XrEventDataEyeCalibrationChangedML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrEyeCalibrationStatusML    status;
+} XrEventDataEyeCalibrationChangedML;
+
+typedef struct XrUserCalibrationEnableEventsInfoML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrBool32                    enabled;
+} XrUserCalibrationEnableEventsInfoML;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnableUserCalibrationEventsML)(XrInstance instance, const XrUserCalibrationEnableEventsInfoML* enableInfo);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnableUserCalibrationEventsML(
+    XrInstance                                  instance,
+    const XrUserCalibrationEnableEventsInfoML*  enableInfo);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ML_system_notifications is a preprocessor guard. Do not pass it to API calls.
+#define XR_ML_system_notifications 1
+#define XR_ML_system_notifications_SPEC_VERSION 1
+#define XR_ML_SYSTEM_NOTIFICATIONS_EXTENSION_NAME "XR_ML_system_notifications"
+typedef struct XrSystemNotificationsSetInfoML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrBool32                    suppressNotifications;
+} XrSystemNotificationsSetInfoML;
+
+typedef XrResult (XRAPI_PTR *PFN_xrSetSystemNotificationsML)(XrInstance instance, const XrSystemNotificationsSetInfoML* info);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrSetSystemNotificationsML(
+    XrInstance                                  instance,
+    const XrSystemNotificationsSetInfoML*       info);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ML_world_mesh_detection is a preprocessor guard. Do not pass it to API calls.
+#define XR_ML_world_mesh_detection 1
+XR_DEFINE_HANDLE(XrWorldMeshDetectorML)
+#define XR_ML_world_mesh_detection_SPEC_VERSION 1
+#define XR_ML_WORLD_MESH_DETECTION_EXTENSION_NAME "XR_ML_world_mesh_detection"
+
+typedef enum XrWorldMeshDetectorLodML {
+    XR_WORLD_MESH_DETECTOR_LOD_MINIMUM_ML = 0,
+    XR_WORLD_MESH_DETECTOR_LOD_MEDIUM_ML = 1,
+    XR_WORLD_MESH_DETECTOR_LOD_MAXIMUM_ML = 2,
+    XR_WORLD_MESH_DETECTOR_LOD_MAX_ENUM_ML = 0x7FFFFFFF
+} XrWorldMeshDetectorLodML;
+
+typedef enum XrWorldMeshBlockStatusML {
+    XR_WORLD_MESH_BLOCK_STATUS_NEW_ML = 0,
+    XR_WORLD_MESH_BLOCK_STATUS_UPDATED_ML = 1,
+    XR_WORLD_MESH_BLOCK_STATUS_DELETED_ML = 2,
+    XR_WORLD_MESH_BLOCK_STATUS_UNCHANGED_ML = 3,
+    XR_WORLD_MESH_BLOCK_STATUS_MAX_ENUM_ML = 0x7FFFFFFF
+} XrWorldMeshBlockStatusML;
+
+typedef enum XrWorldMeshBlockResultML {
+    XR_WORLD_MESH_BLOCK_RESULT_SUCCESS_ML = 0,
+    XR_WORLD_MESH_BLOCK_RESULT_FAILED_ML = 1,
+    XR_WORLD_MESH_BLOCK_RESULT_PENDING_ML = 2,
+    XR_WORLD_MESH_BLOCK_RESULT_PARTIAL_UPDATE_ML = 3,
+    XR_WORLD_MESH_BLOCK_RESULT_MAX_ENUM_ML = 0x7FFFFFFF
+} XrWorldMeshBlockResultML;
+typedef XrFlags64 XrWorldMeshDetectorFlagsML;
+
+// Flag bits for XrWorldMeshDetectorFlagsML
+static const XrWorldMeshDetectorFlagsML XR_WORLD_MESH_DETECTOR_POINT_CLOUD_BIT_ML = 0x00000001;
+static const XrWorldMeshDetectorFlagsML XR_WORLD_MESH_DETECTOR_COMPUTE_NORMALS_BIT_ML = 0x00000002;
+static const XrWorldMeshDetectorFlagsML XR_WORLD_MESH_DETECTOR_COMPUTE_CONFIDENCE_BIT_ML = 0x00000004;
+static const XrWorldMeshDetectorFlagsML XR_WORLD_MESH_DETECTOR_PLANARIZE_BIT_ML = 0x00000008;
+static const XrWorldMeshDetectorFlagsML XR_WORLD_MESH_DETECTOR_REMOVE_MESH_SKIRT_BIT_ML = 0x00000010;
+static const XrWorldMeshDetectorFlagsML XR_WORLD_MESH_DETECTOR_INDEX_ORDER_CW_BIT_ML = 0x00000020;
+
+typedef struct XrWorldMeshDetectorCreateInfoML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrWorldMeshDetectorCreateInfoML;
+
+typedef struct XrWorldMeshBlockStateML {
+    XrStructureType             type;
+    void* XR_MAY_ALIAS          next;
+    XrUuidEXT                   uuid;
+    XrPosef                     meshBoundingBoxCenter;
+    XrExtent3DfEXT              meshBoundingBoxExtents;
+    XrTime                      lastUpdateTime;
+    XrWorldMeshBlockStatusML    status;
+} XrWorldMeshBlockStateML;
+
+typedef struct XrWorldMeshStateRequestInfoML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     baseSpace;
+    XrTime                      time;
+    XrPosef                     boundingBoxCenter;
+    XrExtent3DfEXT              boundingBoxExtents;
+} XrWorldMeshStateRequestInfoML;
+
+typedef struct XrWorldMeshStateRequestCompletionML {
+    XrStructureType             type;
+    void* XR_MAY_ALIAS          next;
+    XrResult                    futureResult;
+    XrTime                      timestamp;
+    uint32_t                    meshBlockStateCapacityInput;
+    uint32_t                    meshBlockStateCountOutput;
+    XrWorldMeshBlockStateML*    meshBlockStates;
+} XrWorldMeshStateRequestCompletionML;
+
+typedef struct XrWorldMeshBufferRecommendedSizeInfoML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    maxBlockCount;
+} XrWorldMeshBufferRecommendedSizeInfoML;
+
+typedef struct XrWorldMeshBufferSizeML {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              size;
+} XrWorldMeshBufferSizeML;
+
+typedef struct XrWorldMeshBufferML {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              bufferSize;
+    void* XR_MAY_ALIAS    buffer;
+} XrWorldMeshBufferML;
+
+typedef struct XrWorldMeshBlockRequestML {
+    XrStructureType             type;
+    void* XR_MAY_ALIAS          next;
+    XrUuidEXT                   uuid;
+    XrWorldMeshDetectorLodML    lod;
+} XrWorldMeshBlockRequestML;
+
+typedef struct XrWorldMeshGetInfoML {
+    XrStructureType               type;
+    const void* XR_MAY_ALIAS      next;
+    XrWorldMeshDetectorFlagsML    flags;
+    float                         fillHoleLength;
+    float                         disconnectedComponentArea;
+    uint32_t                      blockCount;
+    XrWorldMeshBlockRequestML*    blocks;
+} XrWorldMeshGetInfoML;
+
+typedef struct XrWorldMeshBlockML {
+    XrStructureType               type;
+    void* XR_MAY_ALIAS            next;
+    XrUuidEXT                     uuid;
+    XrWorldMeshBlockResultML      blockResult;
+    XrWorldMeshDetectorLodML      lod;
+    XrWorldMeshDetectorFlagsML    flags;
+    uint32_t                      indexCount;
+    uint16_t*                     indexBuffer;
+    uint32_t                      vertexCount;
+    XrVector3f*                   vertexBuffer;
+    uint32_t                      normalCount;
+    XrVector3f*                   normalBuffer;
+    uint32_t                      confidenceCount;
+    float*                        confidenceBuffer;
+} XrWorldMeshBlockML;
+
+typedef struct XrWorldMeshRequestCompletionInfoML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     meshSpace;
+    XrTime                      meshSpaceLocateTime;
+} XrWorldMeshRequestCompletionInfoML;
+
+typedef struct XrWorldMeshRequestCompletionML {
+    XrStructureType        type;
+    void* XR_MAY_ALIAS     next;
+    XrResult               futureResult;
+    uint32_t               blockCount;
+    XrWorldMeshBlockML*    blocks;
+} XrWorldMeshRequestCompletionML;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateWorldMeshDetectorML)(XrSession session, const XrWorldMeshDetectorCreateInfoML* createInfo, XrWorldMeshDetectorML* detector);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyWorldMeshDetectorML)(XrWorldMeshDetectorML detector);
+typedef XrResult (XRAPI_PTR *PFN_xrRequestWorldMeshStateAsyncML)(XrWorldMeshDetectorML detector, const XrWorldMeshStateRequestInfoML* stateRequest, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrRequestWorldMeshStateCompleteML)(XrWorldMeshDetectorML detector, XrFutureEXT future, XrWorldMeshStateRequestCompletionML* completion);
+typedef XrResult (XRAPI_PTR *PFN_xrGetWorldMeshBufferRecommendSizeML)(XrWorldMeshDetectorML detector, const XrWorldMeshBufferRecommendedSizeInfoML* sizeInfo, XrWorldMeshBufferSizeML* size);
+typedef XrResult (XRAPI_PTR *PFN_xrAllocateWorldMeshBufferML)(XrWorldMeshDetectorML detector, const XrWorldMeshBufferSizeML* size, XrWorldMeshBufferML* buffer);
+typedef XrResult (XRAPI_PTR *PFN_xrFreeWorldMeshBufferML)(XrWorldMeshDetectorML detector, const XrWorldMeshBufferML* buffer);
+typedef XrResult (XRAPI_PTR *PFN_xrRequestWorldMeshAsyncML)(XrWorldMeshDetectorML detector, const XrWorldMeshGetInfoML* getInfo, XrWorldMeshBufferML* buffer, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrRequestWorldMeshCompleteML)(XrWorldMeshDetectorML detector, const XrWorldMeshRequestCompletionInfoML* completionInfo, XrFutureEXT future, XrWorldMeshRequestCompletionML* completion);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateWorldMeshDetectorML(
+    XrSession                                   session,
+    const XrWorldMeshDetectorCreateInfoML*      createInfo,
+    XrWorldMeshDetectorML*                      detector);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyWorldMeshDetectorML(
+    XrWorldMeshDetectorML                       detector);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrRequestWorldMeshStateAsyncML(
+    XrWorldMeshDetectorML                       detector,
+    const XrWorldMeshStateRequestInfoML*        stateRequest,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrRequestWorldMeshStateCompleteML(
+    XrWorldMeshDetectorML                       detector,
+    XrFutureEXT                                 future,
+    XrWorldMeshStateRequestCompletionML*        completion);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetWorldMeshBufferRecommendSizeML(
+    XrWorldMeshDetectorML                       detector,
+    const XrWorldMeshBufferRecommendedSizeInfoML* sizeInfo,
+    XrWorldMeshBufferSizeML*                    size);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrAllocateWorldMeshBufferML(
+    XrWorldMeshDetectorML                       detector,
+    const XrWorldMeshBufferSizeML*              size,
+    XrWorldMeshBufferML*                        buffer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrFreeWorldMeshBufferML(
+    XrWorldMeshDetectorML                       detector,
+    const XrWorldMeshBufferML*                  buffer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrRequestWorldMeshAsyncML(
+    XrWorldMeshDetectorML                       detector,
+    const XrWorldMeshGetInfoML*                 getInfo,
+    XrWorldMeshBufferML*                        buffer,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrRequestWorldMeshCompleteML(
+    XrWorldMeshDetectorML                       detector,
+    const XrWorldMeshRequestCompletionInfoML*   completionInfo,
+    XrFutureEXT                                 future,
+    XrWorldMeshRequestCompletionML*             completion);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ML_facial_expression is a preprocessor guard. Do not pass it to API calls.
+#define XR_ML_facial_expression 1
+XR_DEFINE_HANDLE(XrFacialExpressionClientML)
+#define XR_ML_facial_expression_SPEC_VERSION 1
+#define XR_ML_FACIAL_EXPRESSION_EXTENSION_NAME "XR_ML_facial_expression"
+
+typedef enum XrFacialBlendShapeML {
+    XR_FACIAL_BLEND_SHAPE_BROW_LOWERER_L_ML = 0,
+    XR_FACIAL_BLEND_SHAPE_BROW_LOWERER_R_ML = 1,
+    XR_FACIAL_BLEND_SHAPE_CHEEK_RAISER_L_ML = 2,
+    XR_FACIAL_BLEND_SHAPE_CHEEK_RAISER_R_ML = 3,
+    XR_FACIAL_BLEND_SHAPE_CHIN_RAISER_ML = 4,
+    XR_FACIAL_BLEND_SHAPE_DIMPLER_L_ML = 5,
+    XR_FACIAL_BLEND_SHAPE_DIMPLER_R_ML = 6,
+    XR_FACIAL_BLEND_SHAPE_EYES_CLOSED_L_ML = 7,
+    XR_FACIAL_BLEND_SHAPE_EYES_CLOSED_R_ML = 8,
+    XR_FACIAL_BLEND_SHAPE_INNER_BROW_RAISER_L_ML = 9,
+    XR_FACIAL_BLEND_SHAPE_INNER_BROW_RAISER_R_ML = 10,
+    XR_FACIAL_BLEND_SHAPE_JAW_DROP_ML = 11,
+    XR_FACIAL_BLEND_SHAPE_LID_TIGHTENER_L_ML = 12,
+    XR_FACIAL_BLEND_SHAPE_LID_TIGHTENER_R_ML = 13,
+    XR_FACIAL_BLEND_SHAPE_LIP_CORNER_DEPRESSOR_L_ML = 14,
+    XR_FACIAL_BLEND_SHAPE_LIP_CORNER_DEPRESSOR_R_ML = 15,
+    XR_FACIAL_BLEND_SHAPE_LIP_CORNER_PULLER_L_ML = 16,
+    XR_FACIAL_BLEND_SHAPE_LIP_CORNER_PULLER_R_ML = 17,
+    XR_FACIAL_BLEND_SHAPE_LIP_FUNNELER_LB_ML = 18,
+    XR_FACIAL_BLEND_SHAPE_LIP_FUNNELER_LT_ML = 19,
+    XR_FACIAL_BLEND_SHAPE_LIP_FUNNELER_RB_ML = 20,
+    XR_FACIAL_BLEND_SHAPE_LIP_FUNNELER_RT_ML = 21,
+    XR_FACIAL_BLEND_SHAPE_LIP_PRESSOR_L_ML = 22,
+    XR_FACIAL_BLEND_SHAPE_LIP_PRESSOR_R_ML = 23,
+    XR_FACIAL_BLEND_SHAPE_LIP_PUCKER_L_ML = 24,
+    XR_FACIAL_BLEND_SHAPE_LIP_PUCKER_R_ML = 25,
+    XR_FACIAL_BLEND_SHAPE_LIP_STRETCHER_L_ML = 26,
+    XR_FACIAL_BLEND_SHAPE_LIP_STRETCHER_R_ML = 27,
+    XR_FACIAL_BLEND_SHAPE_LIP_SUCK_LB_ML = 28,
+    XR_FACIAL_BLEND_SHAPE_LIP_SUCK_LT_ML = 29,
+    XR_FACIAL_BLEND_SHAPE_LIP_SUCK_RB_ML = 30,
+    XR_FACIAL_BLEND_SHAPE_LIP_SUCK_RT_ML = 31,
+    XR_FACIAL_BLEND_SHAPE_LIP_TIGHTENER_L_ML = 32,
+    XR_FACIAL_BLEND_SHAPE_LIP_TIGHTENER_R_ML = 33,
+    XR_FACIAL_BLEND_SHAPE_LIPS_TOWARD_ML = 34,
+    XR_FACIAL_BLEND_SHAPE_LOWER_LIP_DEPRESSOR_L_ML = 35,
+    XR_FACIAL_BLEND_SHAPE_LOWER_LIP_DEPRESSOR_R_ML = 36,
+    XR_FACIAL_BLEND_SHAPE_NOSE_WRINKLER_L_ML = 37,
+    XR_FACIAL_BLEND_SHAPE_NOSE_WRINKLER_R_ML = 38,
+    XR_FACIAL_BLEND_SHAPE_OUTER_BROW_RAISER_L_ML = 39,
+    XR_FACIAL_BLEND_SHAPE_OUTER_BROW_RAISER_R_ML = 40,
+    XR_FACIAL_BLEND_SHAPE_UPPER_LID_RAISER_L_ML = 41,
+    XR_FACIAL_BLEND_SHAPE_UPPER_LID_RAISER_R_ML = 42,
+    XR_FACIAL_BLEND_SHAPE_UPPER_LIP_RAISER_L_ML = 43,
+    XR_FACIAL_BLEND_SHAPE_UPPER_LIP_RAISER_R_ML = 44,
+    XR_FACIAL_BLEND_SHAPE_TONGUE_OUT_ML = 45,
+    XR_FACIAL_BLEND_SHAPE_MAX_ENUM_ML = 0x7FFFFFFF
+} XrFacialBlendShapeML;
+typedef XrFlags64 XrFacialExpressionBlendShapePropertiesFlagsML;
+
+// Flag bits for XrFacialExpressionBlendShapePropertiesFlagsML
+static const XrFacialExpressionBlendShapePropertiesFlagsML XR_FACIAL_EXPRESSION_BLEND_SHAPE_PROPERTIES_VALID_BIT_ML = 0x00000001;
+static const XrFacialExpressionBlendShapePropertiesFlagsML XR_FACIAL_EXPRESSION_BLEND_SHAPE_PROPERTIES_TRACKED_BIT_ML = 0x00000002;
+
+// XrSystemFacialExpressionPropertiesML extends XrSystemProperties
+typedef struct XrSystemFacialExpressionPropertiesML {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsFacialExpression;
+} XrSystemFacialExpressionPropertiesML;
+
+typedef struct XrFacialExpressionClientCreateInfoML {
+    XrStructureType                type;
+    const void* XR_MAY_ALIAS       next;
+    uint32_t                       requestedCount;
+    const XrFacialBlendShapeML*    requestedFacialBlendShapes;
+} XrFacialExpressionClientCreateInfoML;
+
+typedef struct XrFacialExpressionBlendShapeGetInfoML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrFacialExpressionBlendShapeGetInfoML;
+
+typedef struct XrFacialExpressionBlendShapePropertiesML {
+    XrStructureType                                  type;
+    void* XR_MAY_ALIAS                               next;
+    XrFacialBlendShapeML                             requestedFacialBlendShape;
+    float                                            weight;
+    XrFacialExpressionBlendShapePropertiesFlagsML    flags;
+    XrTime                                           time;
+} XrFacialExpressionBlendShapePropertiesML;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateFacialExpressionClientML)(XrSession session, const XrFacialExpressionClientCreateInfoML* createInfo, XrFacialExpressionClientML* facialExpressionClient);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyFacialExpressionClientML)(XrFacialExpressionClientML facialExpressionClient);
+typedef XrResult (XRAPI_PTR *PFN_xrGetFacialExpressionBlendShapePropertiesML)(XrFacialExpressionClientML facialExpressionClient, const XrFacialExpressionBlendShapeGetInfoML* blendShapeGetInfo, uint32_t blendShapeCount, XrFacialExpressionBlendShapePropertiesML* blendShapes);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateFacialExpressionClientML(
+    XrSession                                   session,
+    const XrFacialExpressionClientCreateInfoML* createInfo,
+    XrFacialExpressionClientML*                 facialExpressionClient);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyFacialExpressionClientML(
+    XrFacialExpressionClientML                  facialExpressionClient);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetFacialExpressionBlendShapePropertiesML(
+    XrFacialExpressionClientML                  facialExpressionClient,
+    const XrFacialExpressionBlendShapeGetInfoML* blendShapeGetInfo,
+    uint32_t                                    blendShapeCount,
+    XrFacialExpressionBlendShapePropertiesML*   blendShapes);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ML_view_configuration_depth_range_change is a preprocessor guard. Do not pass it to API calls.
+#define XR_ML_view_configuration_depth_range_change 1
+#define XR_ML_view_configuration_depth_range_change_SPEC_VERSION 1
+#define XR_ML_VIEW_CONFIGURATION_DEPTH_RANGE_CHANGE_EXTENSION_NAME "XR_ML_view_configuration_depth_range_change"
+
+
+// XR_YVR_controller_interaction is a preprocessor guard. Do not pass it to API calls.
+#define XR_YVR_controller_interaction 1
+#define XR_YVR_controller_interaction_SPEC_VERSION 1
+#define XR_YVR_CONTROLLER_INTERACTION_EXTENSION_NAME "XR_YVR_controller_interaction"
+
+
+// XR_META_boundary_visibility is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_boundary_visibility 1
+#define XR_META_boundary_visibility_SPEC_VERSION 1
+#define XR_META_BOUNDARY_VISIBILITY_EXTENSION_NAME "XR_META_boundary_visibility"
+
+typedef enum XrBoundaryVisibilityMETA {
+    XR_BOUNDARY_VISIBILITY_NOT_SUPPRESSED_META = 1,
+    XR_BOUNDARY_VISIBILITY_SUPPRESSED_META = 2,
+    XR_BOUNDARY_VISIBILITY_MAX_ENUM_META = 0x7FFFFFFF
+} XrBoundaryVisibilityMETA;
+// XrSystemBoundaryVisibilityPropertiesMETA extends XrSystemProperties
+typedef struct XrSystemBoundaryVisibilityPropertiesMETA {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsBoundaryVisibility;
+} XrSystemBoundaryVisibilityPropertiesMETA;
+
+typedef struct XrEventDataBoundaryVisibilityChangedMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrBoundaryVisibilityMETA    boundaryVisibility;
+} XrEventDataBoundaryVisibilityChangedMETA;
+
+typedef XrResult (XRAPI_PTR *PFN_xrRequestBoundaryVisibilityMETA)(XrSession session, XrBoundaryVisibilityMETA boundaryVisibility);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrRequestBoundaryVisibilityMETA(
+    XrSession                                   session,
+    XrBoundaryVisibilityMETA                    boundaryVisibility);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_META_simultaneous_hands_and_controllers is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_simultaneous_hands_and_controllers 1
+#define XR_META_simultaneous_hands_and_controllers_SPEC_VERSION 1
+#define XR_META_SIMULTANEOUS_HANDS_AND_CONTROLLERS_EXTENSION_NAME "XR_META_simultaneous_hands_and_controllers"
+// XrSystemSimultaneousHandsAndControllersPropertiesMETA extends XrSystemProperties
+typedef struct XrSystemSimultaneousHandsAndControllersPropertiesMETA {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsSimultaneousHandsAndControllers;
+} XrSystemSimultaneousHandsAndControllersPropertiesMETA;
+
+typedef struct XrSimultaneousHandsAndControllersTrackingResumeInfoMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrSimultaneousHandsAndControllersTrackingResumeInfoMETA;
+
+typedef struct XrSimultaneousHandsAndControllersTrackingPauseInfoMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrSimultaneousHandsAndControllersTrackingPauseInfoMETA;
+
+typedef XrResult (XRAPI_PTR *PFN_xrResumeSimultaneousHandsAndControllersTrackingMETA)(XrSession session, const XrSimultaneousHandsAndControllersTrackingResumeInfoMETA* resumeInfo);
+typedef XrResult (XRAPI_PTR *PFN_xrPauseSimultaneousHandsAndControllersTrackingMETA)(XrSession session, const XrSimultaneousHandsAndControllersTrackingPauseInfoMETA* pauseInfo);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrResumeSimultaneousHandsAndControllersTrackingMETA(
+    XrSession                                   session,
+    const XrSimultaneousHandsAndControllersTrackingResumeInfoMETA* resumeInfo);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrPauseSimultaneousHandsAndControllersTrackingMETA(
+    XrSession                                   session,
+    const XrSimultaneousHandsAndControllersTrackingPauseInfoMETA* pauseInfo);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_META_face_tracking_visemes is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_face_tracking_visemes 1
+#define XR_FACE_TRACKING_VISEME_COUNT_META 15
+#define XR_META_face_tracking_visemes_SPEC_VERSION 1
+#define XR_META_FACE_TRACKING_VISEMES_EXTENSION_NAME "XR_META_face_tracking_visemes"
+
+typedef enum XrFaceTrackingVisemeMETA {
+    XR_FACE_TRACKING_VISEME_SIL_META = 0,
+    XR_FACE_TRACKING_VISEME_PP_META = 1,
+    XR_FACE_TRACKING_VISEME_FF_META = 2,
+    XR_FACE_TRACKING_VISEME_TH_META = 3,
+    XR_FACE_TRACKING_VISEME_DD_META = 4,
+    XR_FACE_TRACKING_VISEME_KK_META = 5,
+    XR_FACE_TRACKING_VISEME_CH_META = 6,
+    XR_FACE_TRACKING_VISEME_SS_META = 7,
+    XR_FACE_TRACKING_VISEME_NN_META = 8,
+    XR_FACE_TRACKING_VISEME_RR_META = 9,
+    XR_FACE_TRACKING_VISEME_AA_META = 10,
+    XR_FACE_TRACKING_VISEME_E_META = 11,
+    XR_FACE_TRACKING_VISEME_IH_META = 12,
+    XR_FACE_TRACKING_VISEME_OH_META = 13,
+    XR_FACE_TRACKING_VISEME_OU_META = 14,
+    XR_FACE_TRACKING_VISEME_MAX_ENUM_META = 0x7FFFFFFF
+} XrFaceTrackingVisemeMETA;
+// XrFaceTrackingVisemesMETA extends XrFaceExpressionWeights2FB
+typedef struct XrFaceTrackingVisemesMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrBool32                    isValid;
+    float                       visemes[XR_FACE_TRACKING_VISEME_COUNT_META];
+} XrFaceTrackingVisemesMETA;
+
+// XrSystemFaceTrackingVisemesPropertiesMETA extends XrSystemProperties
+typedef struct XrSystemFaceTrackingVisemesPropertiesMETA {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsVisemes;
+} XrSystemFaceTrackingVisemesPropertiesMETA;
+
+
+
+// XR_META_spatial_entity_semantic_label is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_spatial_entity_semantic_label 1
+#define XR_META_spatial_entity_semantic_label_SPEC_VERSION 1
+#define XR_META_SPATIAL_ENTITY_SEMANTIC_LABEL_EXTENSION_NAME "XR_META_spatial_entity_semantic_label"
+
+typedef enum XrSemanticLabelMETA {
+    XR_SEMANTIC_LABEL_UNKNOWN_META = 0,
+    XR_SEMANTIC_LABEL_FLOOR_META = 1,
+    XR_SEMANTIC_LABEL_CEILING_META = 2,
+    XR_SEMANTIC_LABEL_WALL_FACE_META = 3,
+    XR_SEMANTIC_LABEL_INNER_WALL_FACE_META = 4,
+    XR_SEMANTIC_LABEL_INVISIBLE_WALL_FACE_META = 5,
+    XR_SEMANTIC_LABEL_DOOR_FRAME_META = 6,
+    XR_SEMANTIC_LABEL_WINDOW_FRAME_META = 7,
+    XR_SEMANTIC_LABEL_MAX_ENUM_META = 0x7FFFFFFF
+} XrSemanticLabelMETA;
+
+
+// XR_META_spatial_entity_room_mesh is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_spatial_entity_room_mesh 1
+#define XR_META_spatial_entity_room_mesh_SPEC_VERSION 1
+#define XR_META_SPATIAL_ENTITY_ROOM_MESH_EXTENSION_NAME "XR_META_spatial_entity_room_mesh"
+typedef struct XrRoomMeshFaceMETA {
+    XrUuid                 uuid;
+    XrUuid                 parentUuid;
+    XrSemanticLabelMETA    semanticLabel;
+} XrRoomMeshFaceMETA;
+
+typedef struct XrRoomMeshFaceIndicesMETA {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              indexCapacityInput;
+    uint32_t              indexCountOutput;
+    uint32_t*             indices;
+} XrRoomMeshFaceIndicesMETA;
+
+typedef struct XrSpaceRoomMeshGetInfoMETA {
+    XrStructureType               type;
+    const void* XR_MAY_ALIAS      next;
+    uint32_t                      recognizedSemanticLabelCount;
+    const XrSemanticLabelMETA*    recognizedSemanticLabels;
+} XrSpaceRoomMeshGetInfoMETA;
+
+typedef struct XrRoomMeshMETA {
+    XrStructureType        type;
+    void* XR_MAY_ALIAS     next;
+    uint32_t               vertexCapacityInput;
+    uint32_t               vertexCountOutput;
+    XrVector3f*            vertices;
+    uint32_t               faceCapacityInput;
+    uint32_t               faceCountOutput;
+    XrRoomMeshFaceMETA*    faces;
+} XrRoomMeshMETA;
+
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpaceRoomMeshMETA)(XrSpace space, const XrSpaceRoomMeshGetInfoMETA* getInfo, XrRoomMeshMETA* roomMeshOutput);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpaceRoomMeshFaceIndicesMETA)(XrSpace space, const XrUuid* faceUuid, XrRoomMeshFaceIndicesMETA* roomMeshFaceIndicesOutput);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpaceRoomMeshMETA(
+    XrSpace                                     space,
+    const XrSpaceRoomMeshGetInfoMETA*           getInfo,
+    XrRoomMeshMETA*                             roomMeshOutput);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpaceRoomMeshFaceIndicesMETA(
+    XrSpace                                     space,
+    const XrUuid*                               faceUuid,
+    XrRoomMeshFaceIndicesMETA*                  roomMeshFaceIndicesOutput);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_EXT_composition_layer_inverted_alpha is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_composition_layer_inverted_alpha 1
+#define XR_EXT_composition_layer_inverted_alpha_SPEC_VERSION 1
+#define XR_EXT_COMPOSITION_LAYER_INVERTED_ALPHA_EXTENSION_NAME "XR_EXT_composition_layer_inverted_alpha"
+
+
+// XR_META_colocation_discovery is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_colocation_discovery 1
+#define XR_MAX_COLOCATION_DISCOVERY_BUFFER_SIZE_META 1024
+#define XR_META_colocation_discovery_SPEC_VERSION 1
+#define XR_META_COLOCATION_DISCOVERY_EXTENSION_NAME "XR_META_colocation_discovery"
+typedef struct XrColocationDiscoveryStartInfoMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrColocationDiscoveryStartInfoMETA;
+
+typedef struct XrColocationDiscoveryStopInfoMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrColocationDiscoveryStopInfoMETA;
+
+typedef struct XrColocationAdvertisementStartInfoMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    bufferSize;
+    uint8_t*                    buffer;
+} XrColocationAdvertisementStartInfoMETA;
+
+typedef struct XrColocationAdvertisementStopInfoMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrColocationAdvertisementStopInfoMETA;
+
+typedef struct XrEventDataStartColocationAdvertisementCompleteMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAsyncRequestIdFB          advertisementRequestId;
+    XrResult                    result;
+    XrUuid                      advertisementUuid;
+} XrEventDataStartColocationAdvertisementCompleteMETA;
+
+typedef struct XrEventDataStopColocationAdvertisementCompleteMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAsyncRequestIdFB          requestId;
+    XrResult                    result;
+} XrEventDataStopColocationAdvertisementCompleteMETA;
+
+typedef struct XrEventDataColocationAdvertisementCompleteMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAsyncRequestIdFB          advertisementRequestId;
+    XrResult                    result;
+} XrEventDataColocationAdvertisementCompleteMETA;
+
+typedef struct XrEventDataStartColocationDiscoveryCompleteMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAsyncRequestIdFB          discoveryRequestId;
+    XrResult                    result;
+} XrEventDataStartColocationDiscoveryCompleteMETA;
+
+typedef struct XrEventDataColocationDiscoveryResultMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAsyncRequestIdFB          discoveryRequestId;
+    XrUuid                      advertisementUuid;
+    uint32_t                    bufferSize;
+    uint8_t                     buffer[XR_MAX_COLOCATION_DISCOVERY_BUFFER_SIZE_META];
+} XrEventDataColocationDiscoveryResultMETA;
+
+typedef struct XrEventDataColocationDiscoveryCompleteMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAsyncRequestIdFB          discoveryRequestId;
+    XrResult                    result;
+} XrEventDataColocationDiscoveryCompleteMETA;
+
+typedef struct XrEventDataStopColocationDiscoveryCompleteMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrAsyncRequestIdFB          requestId;
+    XrResult                    result;
+} XrEventDataStopColocationDiscoveryCompleteMETA;
+
+// XrSystemColocationDiscoveryPropertiesMETA extends XrSystemProperties
+typedef struct XrSystemColocationDiscoveryPropertiesMETA {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsColocationDiscovery;
+} XrSystemColocationDiscoveryPropertiesMETA;
+
+typedef XrResult (XRAPI_PTR *PFN_xrStartColocationDiscoveryMETA)(XrSession session, const XrColocationDiscoveryStartInfoMETA* info, XrAsyncRequestIdFB* discoveryRequestId);
+typedef XrResult (XRAPI_PTR *PFN_xrStopColocationDiscoveryMETA)(XrSession session, const XrColocationDiscoveryStopInfoMETA* info, XrAsyncRequestIdFB* requestId);
+typedef XrResult (XRAPI_PTR *PFN_xrStartColocationAdvertisementMETA)(XrSession session, const XrColocationAdvertisementStartInfoMETA* info, XrAsyncRequestIdFB* advertisementRequestId);
+typedef XrResult (XRAPI_PTR *PFN_xrStopColocationAdvertisementMETA)(XrSession session, const XrColocationAdvertisementStopInfoMETA* info, XrAsyncRequestIdFB* requestId);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrStartColocationDiscoveryMETA(
+    XrSession                                   session,
+    const XrColocationDiscoveryStartInfoMETA*   info,
+    XrAsyncRequestIdFB*                         discoveryRequestId);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrStopColocationDiscoveryMETA(
+    XrSession                                   session,
+    const XrColocationDiscoveryStopInfoMETA*    info,
+    XrAsyncRequestIdFB*                         requestId);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrStartColocationAdvertisementMETA(
+    XrSession                                   session,
+    const XrColocationAdvertisementStartInfoMETA* info,
+    XrAsyncRequestIdFB*                         advertisementRequestId);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrStopColocationAdvertisementMETA(
+    XrSession                                   session,
+    const XrColocationAdvertisementStopInfoMETA* info,
+    XrAsyncRequestIdFB*                         requestId);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_META_spatial_entity_group_sharing is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_spatial_entity_group_sharing 1
+#define XR_META_spatial_entity_group_sharing_SPEC_VERSION 1
+#define XR_META_SPATIAL_ENTITY_GROUP_SHARING_EXTENSION_NAME "XR_META_spatial_entity_group_sharing"
+// XrSystemSpatialEntityGroupSharingPropertiesMETA extends XrSystemProperties
+typedef struct XrSystemSpatialEntityGroupSharingPropertiesMETA {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsSpatialEntityGroupSharing;
+} XrSystemSpatialEntityGroupSharingPropertiesMETA;
+
+typedef struct XrShareSpacesRecipientGroupsMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    groupCount;
+    XrUuid*                     groups;
+} XrShareSpacesRecipientGroupsMETA;
+
+// XrSpaceGroupUuidFilterInfoMETA extends XrSpaceQueryInfoBaseHeaderFB
+typedef struct XrSpaceGroupUuidFilterInfoMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrUuid                      groupUuid;
+} XrSpaceGroupUuidFilterInfoMETA;
+
+
+
+// XR_META_environment_raycast is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_environment_raycast 1
+XR_DEFINE_HANDLE(XrEnvironmentRaycasterMETA)
+#define XR_META_environment_raycast_SPEC_VERSION 1
+#define XR_META_ENVIRONMENT_RAYCAST_EXTENSION_NAME "XR_META_environment_raycast"
+
+typedef enum XrEnvironmentRaycastHitStatusMETA {
+    XR_ENVIRONMENT_RAYCAST_HIT_STATUS_HIT_META = 1,
+    XR_ENVIRONMENT_RAYCAST_HIT_STATUS_NO_HIT_META = 2,
+    XR_ENVIRONMENT_RAYCAST_HIT_STATUS_HIT_POINT_OCCLUDED_META = 3,
+    XR_ENVIRONMENT_RAYCAST_HIT_STATUS_HIT_POINT_OUTSIDE_OF_FOV_META = 4,
+    XR_ENVIRONMENT_RAYCAST_HIT_STATUS_RAY_OCCLUDED_META = 5,
+    XR_ENVIRONMENT_RAYCAST_HIT_STATUS_HIT_INVALID_ORIENTATION_META = 6,
+    XR_ENVIRONMENT_RAYCAST_HIT_STATUS_MAX_ENUM_META = 0x7FFFFFFF
+} XrEnvironmentRaycastHitStatusMETA;
+// XrSystemEnvironmentRaycastPropertiesMETA extends XrSystemProperties
+typedef struct XrSystemEnvironmentRaycastPropertiesMETA {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsEnvironmentRaycast;
+} XrSystemEnvironmentRaycastPropertiesMETA;
+
+typedef struct XrEnvironmentRaycasterCreateInfoMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrEnvironmentRaycasterCreateInfoMETA;
+
+typedef struct XrEnvironmentRaycasterCreateCompletionMETA {
+    XrStructureType               type;
+    void* XR_MAY_ALIAS            next;
+    XrResult                      futureResult;
+    XrEnvironmentRaycasterMETA    environmentRaycaster;
+} XrEnvironmentRaycasterCreateCompletionMETA;
+
+typedef struct XR_MAY_ALIAS XrEnvironmentRaycastFilterBaseHeaderMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrEnvironmentRaycastFilterBaseHeaderMETA;
+
+typedef struct XrEnvironmentRaycastHitGetInfoMETA {
+    XrStructureType                                            type;
+    const void* XR_MAY_ALIAS                                   next;
+    XrSpace                                                    baseSpace;
+    XrTime                                                     time;
+    XrVector3f                                                 origin;
+    XrVector3f                                                 direction;
+    uint32_t                                                   filterCount;
+    const XrEnvironmentRaycastFilterBaseHeaderMETA* const *    filters;
+} XrEnvironmentRaycastHitGetInfoMETA;
+
+typedef struct XrEnvironmentRaycastHitMETA {
+    XrStructureType                      type;
+    const void* XR_MAY_ALIAS             next;
+    XrEnvironmentRaycastHitStatusMETA    status;
+    XrPosef                              pose;
+} XrEnvironmentRaycastHitMETA;
+
+typedef struct XrEnvironmentRaycastFilterDistanceMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    float                       maxDistance;
+} XrEnvironmentRaycastFilterDistanceMETA;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateEnvironmentRaycasterAsyncMETA)(XrSession session, const XrEnvironmentRaycasterCreateInfoMETA* info, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateEnvironmentRaycasterCompleteMETA)(XrSession session, XrFutureEXT future, XrEnvironmentRaycasterCreateCompletionMETA* completion);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyEnvironmentRaycasterMETA)(XrEnvironmentRaycasterMETA environmentRaycaster);
+typedef XrResult (XRAPI_PTR *PFN_xrPerformEnvironmentRaycastMETA)(XrEnvironmentRaycasterMETA environmentRaycaster, const XrEnvironmentRaycastHitGetInfoMETA* info, XrEnvironmentRaycastHitMETA* hitPoint);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateEnvironmentRaycasterAsyncMETA(
+    XrSession                                   session,
+    const XrEnvironmentRaycasterCreateInfoMETA* info,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateEnvironmentRaycasterCompleteMETA(
+    XrSession                                   session,
+    XrFutureEXT                                 future,
+    XrEnvironmentRaycasterCreateCompletionMETA* completion);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyEnvironmentRaycasterMETA(
+    XrEnvironmentRaycasterMETA                  environmentRaycaster);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrPerformEnvironmentRaycastMETA(
+    XrEnvironmentRaycasterMETA                  environmentRaycaster,
+    const XrEnvironmentRaycastHitGetInfoMETA*   info,
+    XrEnvironmentRaycastHitMETA*                hitPoint);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_META_tile_properties_hint is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_tile_properties_hint 1
+#define XR_META_tile_properties_hint_SPEC_VERSION 1
+#define XR_META_TILE_PROPERTIES_HINT_EXTENSION_NAME "XR_META_tile_properties_hint"
+typedef struct XrExtent3DiMETA {
+    int32_t    width;
+    int32_t    height;
+    int32_t    depth;
+} XrExtent3DiMETA;
+
+typedef struct XrTilePropertiesMETA {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrExtent3DiMETA       tileDimensions;
+    XrExtent2Di           apronDimensions;
+    XrOffset2Di           origin;
+} XrTilePropertiesMETA;
+
+typedef struct XrTilePropertiesHintMETA {
+    XrStructureType                type;
+    void* XR_MAY_ALIAS             next;
+    uint32_t                       propertiesCount;
+    const XrTilePropertiesMETA*    properties;
+} XrTilePropertiesHintMETA;
+
+typedef XrResult (XRAPI_PTR *PFN_xrSetTilePropertiesHintMETA)(XrSession session, const XrTilePropertiesHintMETA* properties);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrSetTilePropertiesHintMETA(
+    XrSession                                   session,
+    const XrTilePropertiesHintMETA*             properties);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_META_hand_tracking_unextrapolated_poses is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_hand_tracking_unextrapolated_poses 1
+#define XR_META_hand_tracking_unextrapolated_poses_SPEC_VERSION 1
+#define XR_META_HAND_TRACKING_UNEXTRAPOLATED_POSES_EXTENSION_NAME "XR_META_hand_tracking_unextrapolated_poses"
+// XrHandTrackingUnextrapolatedPosesRequestMETA extends XrHandJointsLocateInfoEXT
+typedef struct XrHandTrackingUnextrapolatedPosesRequestMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrHandTrackingUnextrapolatedPosesRequestMETA;
+
+// XrHandTrackingUnextrapolatedPosesMETA extends XrHandJointLocationsEXT
+typedef struct XrHandTrackingUnextrapolatedPosesMETA {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrTime                captureTime;
+} XrHandTrackingUnextrapolatedPosesMETA;
+
+
+
+// XR_META_hand_tracking_frequency_hint is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_hand_tracking_frequency_hint 1
+#define XR_META_hand_tracking_frequency_hint_SPEC_VERSION 1
+#define XR_META_HAND_TRACKING_FREQUENCY_HINT_EXTENSION_NAME "XR_META_hand_tracking_frequency_hint"
+
+typedef enum XrHandTrackingFrequencyHintMETA {
+    XR_HAND_TRACKING_FREQUENCY_HINT_DEFAULT_META = 1,
+    XR_HAND_TRACKING_FREQUENCY_HINT_HIGH_META = 2,
+    XR_HAND_TRACKING_FREQUENCY_HINT_MAX_ENUM_META = 0x7FFFFFFF
+} XrHandTrackingFrequencyHintMETA;
+typedef XrResult (XRAPI_PTR *PFN_xrSetHandTrackingFrequencyHintMETA)(XrSession session, XrHandTrackingFrequencyHintMETA frequencyHint);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrSetHandTrackingFrequencyHintMETA(
+    XrSession                                   session,
+    XrHandTrackingFrequencyHintMETA             frequencyHint);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_META_hand_tracking_wide_motion_mode2 is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_hand_tracking_wide_motion_mode2 1
+#define XR_META_hand_tracking_wide_motion_mode2_SPEC_VERSION 1
+#define XR_META_HAND_TRACKING_WIDE_MOTION_MODE2_EXTENSION_NAME "XR_META_hand_tracking_wide_motion_mode2"
+
+
+// XR_ANDROID_light_estimation is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_light_estimation 1
+XR_DEFINE_HANDLE(XrLightEstimatorANDROID)
+#define XR_ANDROID_light_estimation_SPEC_VERSION 1
+#define XR_ANDROID_LIGHT_ESTIMATION_EXTENSION_NAME "XR_ANDROID_light_estimation"
+
+typedef enum XrLightEstimateStateANDROID {
+    XR_LIGHT_ESTIMATE_STATE_VALID_ANDROID = 0,
+    XR_LIGHT_ESTIMATE_STATE_INVALID_ANDROID = 1,
+    XR_LIGHT_ESTIMATE_STATE_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrLightEstimateStateANDROID;
+
+typedef enum XrSphericalHarmonicsKindANDROID {
+    XR_SPHERICAL_HARMONICS_KIND_TOTAL_ANDROID = 0,
+    XR_SPHERICAL_HARMONICS_KIND_AMBIENT_ANDROID = 1,
+    XR_SPHERICAL_HARMONICS_KIND_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrSphericalHarmonicsKindANDROID;
+// XrSystemLightEstimationPropertiesANDROID extends XrSystemProperties
+typedef struct XrSystemLightEstimationPropertiesANDROID {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsLightEstimation;
+} XrSystemLightEstimationPropertiesANDROID;
+
+typedef struct XrLightEstimatorCreateInfoANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrLightEstimatorCreateInfoANDROID;
+
+typedef struct XrLightEstimateGetInfoANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     space;
+    XrTime                      time;
+} XrLightEstimateGetInfoANDROID;
+
+typedef struct XrLightEstimateANDROID {
+    XrStructureType                type;
+    void* XR_MAY_ALIAS             next;
+    XrLightEstimateStateANDROID    state;
+    XrTime                         lastUpdatedTime;
+} XrLightEstimateANDROID;
+
+// XrDirectionalLightANDROID extends XrLightEstimateANDROID
+typedef struct XrDirectionalLightANDROID {
+    XrStructureType                type;
+    void* XR_MAY_ALIAS             next;
+    XrLightEstimateStateANDROID    state;
+    XrVector3f                     intensity;
+    XrVector3f                     direction;
+} XrDirectionalLightANDROID;
+
+// XrAmbientLightANDROID extends XrLightEstimateANDROID
+typedef struct XrAmbientLightANDROID {
+    XrStructureType                type;
+    void* XR_MAY_ALIAS             next;
+    XrLightEstimateStateANDROID    state;
+    XrVector3f                     intensity;
+    XrVector3f                     colorCorrection;
+} XrAmbientLightANDROID;
+
+// XrSphericalHarmonicsANDROID extends XrLightEstimateANDROID
+typedef struct XrSphericalHarmonicsANDROID {
+    XrStructureType                    type;
+    void* XR_MAY_ALIAS                 next;
+    XrLightEstimateStateANDROID        state;
+    XrSphericalHarmonicsKindANDROID    kind;
+    float                              coefficients[9][3];
+} XrSphericalHarmonicsANDROID;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateLightEstimatorANDROID)(XrSession session, XrLightEstimatorCreateInfoANDROID* createInfo, XrLightEstimatorANDROID* outHandle);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyLightEstimatorANDROID)(XrLightEstimatorANDROID estimator);
+typedef XrResult (XRAPI_PTR *PFN_xrGetLightEstimateANDROID)(XrLightEstimatorANDROID estimator, const XrLightEstimateGetInfoANDROID* input, XrLightEstimateANDROID* output);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateLightEstimatorANDROID(
+    XrSession                                   session,
+    XrLightEstimatorCreateInfoANDROID*          createInfo,
+    XrLightEstimatorANDROID*                    outHandle);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyLightEstimatorANDROID(
+    XrLightEstimatorANDROID                     estimator);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetLightEstimateANDROID(
+    XrLightEstimatorANDROID                     estimator,
+    const XrLightEstimateGetInfoANDROID*        input,
+    XrLightEstimateANDROID*                     output);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ANDROID_mouse_interaction is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_mouse_interaction 1
+#define XR_ANDROID_mouse_interaction_SPEC_VERSION 1
+#define XR_ANDROID_MOUSE_INTERACTION_EXTENSION_NAME "XR_ANDROID_mouse_interaction"
+
+
+// XR_ANDROID_trackables_marker is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_trackables_marker 1
+#define XR_ANDROID_trackables_marker_SPEC_VERSION 1
+#define XR_ANDROID_TRACKABLES_MARKER_EXTENSION_NAME "XR_ANDROID_trackables_marker"
+
+typedef enum XrTrackableMarkerTrackingModeANDROID {
+    XR_TRACKABLE_MARKER_TRACKING_MODE_DYNAMIC_ANDROID = 0,
+    XR_TRACKABLE_MARKER_TRACKING_MODE_STATIC_ANDROID = 1,
+    XR_TRACKABLE_MARKER_TRACKING_MODE_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrTrackableMarkerTrackingModeANDROID;
+
+typedef enum XrTrackableMarkerDictionaryANDROID {
+    XR_TRACKABLE_MARKER_DICTIONARY_ARUCO_4X4_50_ANDROID = 0,
+    XR_TRACKABLE_MARKER_DICTIONARY_ARUCO_4X4_100_ANDROID = 1,
+    XR_TRACKABLE_MARKER_DICTIONARY_ARUCO_4X4_250_ANDROID = 2,
+    XR_TRACKABLE_MARKER_DICTIONARY_ARUCO_4X4_1000_ANDROID = 3,
+    XR_TRACKABLE_MARKER_DICTIONARY_ARUCO_5X5_50_ANDROID = 4,
+    XR_TRACKABLE_MARKER_DICTIONARY_ARUCO_5X5_100_ANDROID = 5,
+    XR_TRACKABLE_MARKER_DICTIONARY_ARUCO_5X5_250_ANDROID = 6,
+    XR_TRACKABLE_MARKER_DICTIONARY_ARUCO_5X5_1000_ANDROID = 7,
+    XR_TRACKABLE_MARKER_DICTIONARY_ARUCO_6X6_50_ANDROID = 8,
+    XR_TRACKABLE_MARKER_DICTIONARY_ARUCO_6X6_100_ANDROID = 9,
+    XR_TRACKABLE_MARKER_DICTIONARY_ARUCO_6X6_250_ANDROID = 10,
+    XR_TRACKABLE_MARKER_DICTIONARY_ARUCO_6X6_1000_ANDROID = 11,
+    XR_TRACKABLE_MARKER_DICTIONARY_ARUCO_7X7_50_ANDROID = 12,
+    XR_TRACKABLE_MARKER_DICTIONARY_ARUCO_7X7_100_ANDROID = 13,
+    XR_TRACKABLE_MARKER_DICTIONARY_ARUCO_7X7_250_ANDROID = 14,
+    XR_TRACKABLE_MARKER_DICTIONARY_ARUCO_7X7_1000_ANDROID = 15,
+    XR_TRACKABLE_MARKER_DICTIONARY_APRILTAG_16H5_ANDROID = 16,
+    XR_TRACKABLE_MARKER_DICTIONARY_APRILTAG_25H9_ANDROID = 17,
+    XR_TRACKABLE_MARKER_DICTIONARY_APRILTAG_36H10_ANDROID = 18,
+    XR_TRACKABLE_MARKER_DICTIONARY_APRILTAG_36H11_ANDROID = 19,
+    XR_TRACKABLE_MARKER_DICTIONARY_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrTrackableMarkerDictionaryANDROID;
+// XrSystemMarkerTrackingPropertiesANDROID extends XrSystemProperties
+typedef struct XrSystemMarkerTrackingPropertiesANDROID {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsMarkerTracking;
+    XrBool32              supportsMarkerSizeEstimation;
+    uint16_t              maxMarkerCount;
+} XrSystemMarkerTrackingPropertiesANDROID;
+
+typedef struct XrTrackableMarkerDatabaseEntryANDROID {
+    int32_t    id;
+    float      edgeSize;
+} XrTrackableMarkerDatabaseEntryANDROID;
+
+typedef struct XrTrackableMarkerDatabaseANDROID {
+    XrTrackableMarkerDictionaryANDROID              dictionary;
+    uint32_t                                        entryCount;
+    const XrTrackableMarkerDatabaseEntryANDROID*    entries;
+} XrTrackableMarkerDatabaseANDROID;
+
+// XrTrackableMarkerConfigurationANDROID extends XrTrackableTrackerCreateInfoANDROID
+typedef struct XrTrackableMarkerConfigurationANDROID {
+    XrStructureType                            type;
+    void* XR_MAY_ALIAS                         next;
+    XrTrackableMarkerTrackingModeANDROID       trackingMode;
+    uint32_t                                   databaseCount;
+    const XrTrackableMarkerDatabaseANDROID*    databases;
+} XrTrackableMarkerConfigurationANDROID;
+
+typedef struct XrTrackableMarkerANDROID {
+    XrStructureType                       type;
+    void* XR_MAY_ALIAS                    next;
+    XrTrackingStateANDROID                trackingState;
+    XrTime                                lastUpdatedTime;
+    XrTrackableMarkerDictionaryANDROID    dictionary;
+    int32_t                               markerId;
+    XrPosef                               centerPose;
+    XrExtent2Df                           extents;
+} XrTrackableMarkerANDROID;
+
+typedef XrResult (XRAPI_PTR *PFN_xrGetTrackableMarkerANDROID)(XrTrackableTrackerANDROID tracker, const XrTrackableGetInfoANDROID* getInfo, XrTrackableMarkerANDROID* markerOutput);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetTrackableMarkerANDROID(
+    XrTrackableTrackerANDROID                   tracker,
+    const XrTrackableGetInfoANDROID*            getInfo,
+    XrTrackableMarkerANDROID*                   markerOutput);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ANDROID_trackables_qr_code is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_trackables_qr_code 1
+#define XR_ANDROID_trackables_qr_code_SPEC_VERSION 1
+#define XR_ANDROID_TRACKABLES_QR_CODE_EXTENSION_NAME "XR_ANDROID_trackables_qr_code"
+
+typedef enum XrQrCodeTrackingModeANDROID {
+    XR_QR_CODE_TRACKING_MODE_DYNAMIC_ANDROID = 0,
+    XR_QR_CODE_TRACKING_MODE_STATIC_ANDROID = 1,
+    XR_QR_CODE_TRACKING_MODE_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrQrCodeTrackingModeANDROID;
+// XrSystemQrCodeTrackingPropertiesANDROID extends XrSystemProperties
+typedef struct XrSystemQrCodeTrackingPropertiesANDROID {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsQrCodeTracking;
+    XrBool32              supportsQrCodeSizeEstimation;
+    uint16_t              maxQrCodeCount;
+} XrSystemQrCodeTrackingPropertiesANDROID;
+
+// XrTrackableQrCodeConfigurationANDROID extends XrTrackableTrackerCreateInfoANDROID
+typedef struct XrTrackableQrCodeConfigurationANDROID {
+    XrStructureType                type;
+    void* XR_MAY_ALIAS             next;
+    XrQrCodeTrackingModeANDROID    trackingMode;
+    float                          qrCodeEdgeSize;
+} XrTrackableQrCodeConfigurationANDROID;
+
+typedef struct XrTrackableQrCodeANDROID {
+    XrStructureType           type;
+    void* XR_MAY_ALIAS        next;
+    XrTrackingStateANDROID    trackingState;
+    XrTime                    lastUpdatedTime;
+    XrPosef                   centerPose;
+    XrExtent2Df               extents;
+    uint32_t                  bufferCapacityInput;
+    uint32_t                  bufferCountOutput;
+    char*                     buffer;
+} XrTrackableQrCodeANDROID;
+
+typedef XrResult (XRAPI_PTR *PFN_xrGetTrackableQrCodeANDROID)(XrTrackableTrackerANDROID tracker, const XrTrackableGetInfoANDROID* getInfo, XrTrackableQrCodeANDROID* qrCodeOutput);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetTrackableQrCodeANDROID(
+    XrTrackableTrackerANDROID                   tracker,
+    const XrTrackableGetInfoANDROID*            getInfo,
+    XrTrackableQrCodeANDROID*                   qrCodeOutput);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ANDROID_trackables_image is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_trackables_image 1
+XR_DEFINE_HANDLE(XrTrackableImageDatabaseANDROID)
+#define XR_ANDROID_trackables_image_SPEC_VERSION 1
+#define XR_ANDROID_TRACKABLES_IMAGE_EXTENSION_NAME "XR_ANDROID_trackables_image"
+
+typedef enum XrTrackableImageTrackingModeANDROID {
+    XR_TRACKABLE_IMAGE_TRACKING_MODE_DYNAMIC_ANDROID = 1,
+    XR_TRACKABLE_IMAGE_TRACKING_MODE_STATIC_ANDROID = 2,
+    XR_TRACKABLE_IMAGE_TRACKING_MODE_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrTrackableImageTrackingModeANDROID;
+
+typedef enum XrTrackableImageFormatANDROID {
+    XR_TRACKABLE_IMAGE_FORMAT_R8G8B8A8_ANDROID = 1,
+    XR_TRACKABLE_IMAGE_FORMAT_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrTrackableImageFormatANDROID;
+// XrSystemImageTrackingPropertiesANDROID extends XrSystemProperties
+typedef struct XrSystemImageTrackingPropertiesANDROID {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsImageTracking;
+    XrBool32              supportsPhysicalSizeEstimation;
+    uint32_t              maxTrackedImageCount;
+    uint32_t              maxLoadedImageCount;
+} XrSystemImageTrackingPropertiesANDROID;
+
+typedef struct XrTrackableImageDatabaseEntryANDROID {
+    XrStructureType                        type;
+    const void* XR_MAY_ALIAS               next;
+    XrTrackableImageTrackingModeANDROID    trackingMode;
+    float                                  physicalWidth;
+    uint32_t                               imageWidth;
+    uint32_t                               imageHeight;
+    XrTrackableImageFormatANDROID          format;
+    uint32_t                               bufferSize;
+    const uint8_t*                         buffer;
+} XrTrackableImageDatabaseEntryANDROID;
+
+typedef struct XrTrackableImageDatabaseCreateInfoANDROID {
+    XrStructureType                                type;
+    const void* XR_MAY_ALIAS                       next;
+    uint32_t                                       entryCount;
+    const XrTrackableImageDatabaseEntryANDROID*    entries;
+} XrTrackableImageDatabaseCreateInfoANDROID;
+
+typedef struct XrCreateTrackableImageDatabaseCompletionANDROID {
+    XrStructureType                    type;
+    void* XR_MAY_ALIAS                 next;
+    XrResult                           futureResult;
+    XrTrackableImageDatabaseANDROID    database;
+} XrCreateTrackableImageDatabaseCompletionANDROID;
+
+typedef struct XrTrackableImageConfigurationANDROID {
+    XrStructureType                           type;
+    const void* XR_MAY_ALIAS                  next;
+    uint32_t                                  databaseCount;
+    const XrTrackableImageDatabaseANDROID*    databases;
+} XrTrackableImageConfigurationANDROID;
+
+typedef struct XrTrackableImageANDROID {
+    XrStructureType                    type;
+    const void* XR_MAY_ALIAS           next;
+    XrTrackingStateANDROID             trackingState;
+    XrTime                             lastUpdatedTime;
+    XrTrackableImageDatabaseANDROID    database;
+    uint32_t                           databaseEntryIndex;
+    XrPosef                            centerPose;
+    XrExtent2Df                        extents;
+} XrTrackableImageANDROID;
+
+typedef struct XrEventDataImageTrackingLostANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrTime                      time;
+} XrEventDataImageTrackingLostANDROID;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateTrackableImageDatabaseAsyncANDROID)(XrSession session, const XrTrackableImageDatabaseCreateInfoANDROID* createInfo, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateTrackableImageDatabaseCompleteANDROID)(XrSession session, XrFutureEXT future, XrCreateTrackableImageDatabaseCompletionANDROID* completion);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyTrackableImageDatabaseANDROID)(XrTrackableImageDatabaseANDROID database);
+typedef XrResult (XRAPI_PTR *PFN_xrAddTrackableImageDatabaseANDROID)(XrTrackableTrackerANDROID tracker, XrTrackableImageDatabaseANDROID database);
+typedef XrResult (XRAPI_PTR *PFN_xrRemoveTrackableImageDatabaseANDROID)(XrTrackableTrackerANDROID tracker, XrTrackableImageDatabaseANDROID database);
+typedef XrResult (XRAPI_PTR *PFN_xrGetTrackableImageANDROID)(XrTrackableTrackerANDROID tracker, const XrTrackableGetInfoANDROID* getInfo, XrTrackableImageANDROID* trackable);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateTrackableImageDatabaseAsyncANDROID(
+    XrSession                                   session,
+    const XrTrackableImageDatabaseCreateInfoANDROID* createInfo,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateTrackableImageDatabaseCompleteANDROID(
+    XrSession                                   session,
+    XrFutureEXT                                 future,
+    XrCreateTrackableImageDatabaseCompletionANDROID* completion);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyTrackableImageDatabaseANDROID(
+    XrTrackableImageDatabaseANDROID             database);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrAddTrackableImageDatabaseANDROID(
+    XrTrackableTrackerANDROID                   tracker,
+    XrTrackableImageDatabaseANDROID             database);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrRemoveTrackableImageDatabaseANDROID(
+    XrTrackableTrackerANDROID                   tracker,
+    XrTrackableImageDatabaseANDROID             database);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetTrackableImageANDROID(
+    XrTrackableTrackerANDROID                   tracker,
+    const XrTrackableGetInfoANDROID*            getInfo,
+    XrTrackableImageANDROID*                    trackable);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ANDROID_scene_meshing is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_scene_meshing 1
+XR_DEFINE_HANDLE(XrSceneMeshingTrackerANDROID)
+XR_DEFINE_HANDLE(XrSceneMeshSnapshotANDROID)
+#define XR_ANDROID_scene_meshing_SPEC_VERSION 3
+#define XR_ANDROID_SCENE_MESHING_EXTENSION_NAME "XR_ANDROID_scene_meshing"
+
+typedef enum XrSceneMeshSemanticLabelSetANDROID {
+    XR_SCENE_MESH_SEMANTIC_LABEL_SET_NONE_ANDROID = 0,
+    XR_SCENE_MESH_SEMANTIC_LABEL_SET_DEFAULT_ANDROID = 1,
+    XR_SCENE_MESH_SEMANTIC_LABEL_SET_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrSceneMeshSemanticLabelSetANDROID;
+
+typedef enum XrSceneMeshTrackingStateANDROID {
+    XR_SCENE_MESH_TRACKING_STATE_INITIALIZING_ANDROID = 0,
+    XR_SCENE_MESH_TRACKING_STATE_TRACKING_ANDROID = 1,
+    XR_SCENE_MESH_TRACKING_STATE_WAITING_ANDROID = 2,
+    XR_SCENE_MESH_TRACKING_STATE_ERROR_ANDROID = 3,
+    XR_SCENE_MESH_TRACKING_STATE_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrSceneMeshTrackingStateANDROID;
+
+typedef enum XrSceneMeshSemanticLabelANDROID {
+    XR_SCENE_MESH_SEMANTIC_LABEL_OTHER_ANDROID = 0,
+    XR_SCENE_MESH_SEMANTIC_LABEL_FLOOR_ANDROID = 1,
+    XR_SCENE_MESH_SEMANTIC_LABEL_CEILING_ANDROID = 2,
+    XR_SCENE_MESH_SEMANTIC_LABEL_WALL_ANDROID = 3,
+    XR_SCENE_MESH_SEMANTIC_LABEL_TABLE_ANDROID = 4,
+    XR_SCENE_MESH_SEMANTIC_LABEL_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrSceneMeshSemanticLabelANDROID;
+// XrSystemSceneMeshingPropertiesANDROID extends XrSystemProperties
+typedef struct XrSystemSceneMeshingPropertiesANDROID {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsSceneMeshing;
+} XrSystemSceneMeshingPropertiesANDROID;
+
+typedef struct XrSceneMeshingTrackerCreateInfoANDROID {
+    XrStructureType                       type;
+    const void* XR_MAY_ALIAS              next;
+    XrSceneMeshSemanticLabelSetANDROID    semanticLabelSet;
+    XrBool32                              enableNormals;
+} XrSceneMeshingTrackerCreateInfoANDROID;
+
+typedef struct XrSceneMeshSnapshotCreateInfoANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     baseSpace;
+    XrTime                      time;
+    XrBoxf                      boundingBox;
+} XrSceneMeshSnapshotCreateInfoANDROID;
+
+typedef struct XrSceneMeshSnapshotCreationResultANDROID {
+    XrStructureType                    type;
+    const void* XR_MAY_ALIAS           next;
+    XrSceneMeshSnapshotANDROID         snapshot;
+    XrSceneMeshTrackingStateANDROID    trackingState;
+} XrSceneMeshSnapshotCreationResultANDROID;
+
+typedef struct XrSceneSubmeshStateANDROID {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrUuid                submeshId;
+    XrTime                lastUpdatedTime;
+    XrPosef               submeshPoseInBaseSpace;
+    XrExtent3Df           bounds;
+} XrSceneSubmeshStateANDROID;
+
+typedef struct XrSceneSubmeshDataANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrUuid                      submeshId;
+    uint32_t                    vertexCapacityInput;
+    uint32_t                    vertexCountOutput;
+    XrVector3f*                 vertexPositions;
+    XrVector3f*                 vertexNormals;
+    uint8_t*                    vertexSemantics;
+    uint32_t                    indexCapacityInput;
+    uint32_t                    indexCountOutput;
+    uint32_t*                   indices;
+} XrSceneSubmeshDataANDROID;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateSupportedSemanticLabelSetsANDROID)(XrInstance instance, XrSystemId systemId, uint32_t supportedSemanticLabelSetsInputCapacity, uint32_t* supportedSemanticLabelSetsOutputCount, XrSceneMeshSemanticLabelSetANDROID* supportedSemanticLabelSets);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSceneMeshingTrackerANDROID)(XrSession session, const XrSceneMeshingTrackerCreateInfoANDROID* createInfo, XrSceneMeshingTrackerANDROID* tracker);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroySceneMeshingTrackerANDROID)(XrSceneMeshingTrackerANDROID tracker);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSceneMeshSnapshotANDROID)(XrSceneMeshingTrackerANDROID tracker, const XrSceneMeshSnapshotCreateInfoANDROID* createInfo, XrSceneMeshSnapshotCreationResultANDROID* outSnapshotCreationResult);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroySceneMeshSnapshotANDROID)(XrSceneMeshSnapshotANDROID snapshot);
+typedef XrResult (XRAPI_PTR *PFN_xrGetAllSubmeshStatesANDROID)(XrSceneMeshSnapshotANDROID snapshot, uint32_t submeshStateCapacityInput, uint32_t* submeshStateCountOutput, XrSceneSubmeshStateANDROID* submeshStates);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSubmeshDataANDROID)(XrSceneMeshSnapshotANDROID snapshot, uint32_t submeshDataCount, XrSceneSubmeshDataANDROID* inoutSubmeshData);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateSupportedSemanticLabelSetsANDROID(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    uint32_t                                    supportedSemanticLabelSetsInputCapacity,
+    uint32_t*                                   supportedSemanticLabelSetsOutputCount,
+    XrSceneMeshSemanticLabelSetANDROID*         supportedSemanticLabelSets);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSceneMeshingTrackerANDROID(
+    XrSession                                   session,
+    const XrSceneMeshingTrackerCreateInfoANDROID* createInfo,
+    XrSceneMeshingTrackerANDROID*               tracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroySceneMeshingTrackerANDROID(
+    XrSceneMeshingTrackerANDROID                tracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSceneMeshSnapshotANDROID(
+    XrSceneMeshingTrackerANDROID                tracker,
+    const XrSceneMeshSnapshotCreateInfoANDROID* createInfo,
+    XrSceneMeshSnapshotCreationResultANDROID*   outSnapshotCreationResult);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroySceneMeshSnapshotANDROID(
+    XrSceneMeshSnapshotANDROID                  snapshot);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetAllSubmeshStatesANDROID(
+    XrSceneMeshSnapshotANDROID                  snapshot,
+    uint32_t                                    submeshStateCapacityInput,
+    uint32_t*                                   submeshStateCountOutput,
+    XrSceneSubmeshStateANDROID*                 submeshStates);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSubmeshDataANDROID(
+    XrSceneMeshSnapshotANDROID                  snapshot,
+    uint32_t                                    submeshDataCount,
+    XrSceneSubmeshDataANDROID*                  inoutSubmeshData);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_EXT_spatial_entity is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_spatial_entity 1
+
+#define XR_NULL_SPATIAL_ENTITY_ID_EXT 0
+
+
+#define XR_NULL_SPATIAL_BUFFER_ID_EXT 0
+
+XR_DEFINE_ATOM(XrSpatialEntityIdEXT)
+XR_DEFINE_ATOM(XrSpatialBufferIdEXT)
+XR_DEFINE_HANDLE(XrSpatialEntityEXT)
+XR_DEFINE_HANDLE(XrSpatialContextEXT)
+XR_DEFINE_HANDLE(XrSpatialSnapshotEXT)
+#define XR_EXT_spatial_entity_SPEC_VERSION 1
+#define XR_EXT_SPATIAL_ENTITY_EXTENSION_NAME "XR_EXT_spatial_entity"
+
+typedef enum XrSpatialCapabilityEXT {
+    XR_SPATIAL_CAPABILITY_PLANE_TRACKING_EXT = 1000741000,
+    XR_SPATIAL_CAPABILITY_MARKER_TRACKING_QR_CODE_EXT = 1000743000,
+    XR_SPATIAL_CAPABILITY_MARKER_TRACKING_MICRO_QR_CODE_EXT = 1000743001,
+    XR_SPATIAL_CAPABILITY_MARKER_TRACKING_ARUCO_MARKER_EXT = 1000743002,
+    XR_SPATIAL_CAPABILITY_MARKER_TRACKING_APRIL_TAG_EXT = 1000743003,
+    XR_SPATIAL_CAPABILITY_ANCHOR_EXT = 1000762000,
+    XR_SPATIAL_CAPABILITY_IMAGE_TRACKING_EXT = 1000782000,
+    XR_SPATIAL_CAPABILITY_OBJECT_TRACKING_ANDROID = 1000785000,
+    XR_SPATIAL_CAPABILITY_DEPTH_RAYCAST_ANDROID = 1000786000,
+    XR_SPATIAL_CAPABILITY_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrSpatialCapabilityEXT;
+
+typedef enum XrSpatialCapabilityFeatureEXT {
+    XR_SPATIAL_CAPABILITY_FEATURE_MARKER_TRACKING_FIXED_SIZE_MARKERS_EXT = 1000743000,
+    XR_SPATIAL_CAPABILITY_FEATURE_MARKER_TRACKING_STATIC_MARKERS_EXT = 1000743001,
+    XR_SPATIAL_CAPABILITY_FEATURE_SPHERE_BOUNDS_FILTER_ANDROID = 1000761000,
+    XR_SPATIAL_CAPABILITY_FEATURE_BOX_BOUNDS_FILTER_ANDROID = 1000761001,
+    XR_SPATIAL_CAPABILITY_FEATURE_FRUSTUM_BOUNDS_FILTER_ANDROID = 1000761002,
+    XR_SPATIAL_CAPABILITY_FEATURE_IMAGE_TRACKING_AUTOMATIC_SIZE_IMAGES_EXT = 1000782000,
+    XR_SPATIAL_CAPABILITY_FEATURE_IMAGE_TRACKING_STATIC_IMAGES_EXT = 1000782001,
+    XR_SPATIAL_CAPABILITY_FEATURE_IMAGE_TRACKING_FIXED_SIZE_IMAGES_EXT = 1000782002,
+    XR_SPATIAL_CAPABILITY_FEATURE_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrSpatialCapabilityFeatureEXT;
+
+typedef enum XrSpatialComponentTypeEXT {
+    XR_SPATIAL_COMPONENT_TYPE_BOUNDED_2D_EXT = 1,
+    XR_SPATIAL_COMPONENT_TYPE_BOUNDED_3D_EXT = 2,
+    XR_SPATIAL_COMPONENT_TYPE_PARENT_EXT = 3,
+    XR_SPATIAL_COMPONENT_TYPE_MESH_3D_EXT = 4,
+    XR_SPATIAL_COMPONENT_TYPE_PLANE_ALIGNMENT_EXT = 1000741000,
+    XR_SPATIAL_COMPONENT_TYPE_MESH_2D_EXT = 1000741001,
+    XR_SPATIAL_COMPONENT_TYPE_POLYGON_2D_EXT = 1000741002,
+    XR_SPATIAL_COMPONENT_TYPE_PLANE_SEMANTIC_LABEL_EXT = 1000741003,
+    XR_SPATIAL_COMPONENT_TYPE_MARKER_EXT = 1000743000,
+    XR_SPATIAL_COMPONENT_TYPE_ANCHOR_EXT = 1000762000,
+    XR_SPATIAL_COMPONENT_TYPE_PERSISTENCE_EXT = 1000763000,
+    XR_SPATIAL_COMPONENT_TYPE_IMAGE_2D_EXT = 1000782000,
+    XR_SPATIAL_COMPONENT_TYPE_OBJECT_SEMANTIC_LABEL_ANDROID = 1000785000,
+    XR_SPATIAL_COMPONENT_TYPE_RAYCAST_RESULT_ANDROID = 1000786000,
+    XR_SPATIAL_COMPONENT_TYPE_SUBSUMED_BY_ANDROID = 1000791000,
+    XR_SPATIAL_COMPONENT_TYPE_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrSpatialComponentTypeEXT;
+
+typedef enum XrSpatialEntityTrackingStateEXT {
+    XR_SPATIAL_ENTITY_TRACKING_STATE_STOPPED_EXT = 1,
+    XR_SPATIAL_ENTITY_TRACKING_STATE_PAUSED_EXT = 2,
+    XR_SPATIAL_ENTITY_TRACKING_STATE_TRACKING_EXT = 3,
+    XR_SPATIAL_ENTITY_TRACKING_STATE_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrSpatialEntityTrackingStateEXT;
+
+typedef enum XrSpatialBufferTypeEXT {
+    XR_SPATIAL_BUFFER_TYPE_UNKNOWN_EXT = 0,
+    XR_SPATIAL_BUFFER_TYPE_STRING_EXT = 1,
+    XR_SPATIAL_BUFFER_TYPE_UINT8_EXT = 2,
+    XR_SPATIAL_BUFFER_TYPE_UINT16_EXT = 3,
+    XR_SPATIAL_BUFFER_TYPE_UINT32_EXT = 4,
+    XR_SPATIAL_BUFFER_TYPE_FLOAT_EXT = 5,
+    XR_SPATIAL_BUFFER_TYPE_VECTOR2F_EXT = 6,
+    XR_SPATIAL_BUFFER_TYPE_VECTOR3F_EXT = 7,
+    XR_SPATIAL_BUFFER_TYPE_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrSpatialBufferTypeEXT;
+typedef struct XrSpatialCapabilityComponentTypesEXT {
+    XrStructureType               type;
+    void* XR_MAY_ALIAS            next;
+    uint32_t                      componentTypeCapacityInput;
+    uint32_t                      componentTypeCountOutput;
+    XrSpatialComponentTypeEXT*    componentTypes;
+} XrSpatialCapabilityComponentTypesEXT;
+
+typedef struct XR_MAY_ALIAS XrSpatialCapabilityConfigurationBaseHeaderEXT {
+    XrStructureType                     type;
+    const void* XR_MAY_ALIAS            next;
+    XrSpatialCapabilityEXT              capability;
+    uint32_t                            enabledComponentCount;
+    const XrSpatialComponentTypeEXT*    enabledComponents;
+} XrSpatialCapabilityConfigurationBaseHeaderEXT;
+
+typedef struct XrSpatialContextCreateInfoEXT {
+    XrStructureType                                                type;
+    const void* XR_MAY_ALIAS                                       next;
+    uint32_t                                                       capabilityConfigCount;
+    const XrSpatialCapabilityConfigurationBaseHeaderEXT* const*    capabilityConfigs;
+} XrSpatialContextCreateInfoEXT;
+
+typedef struct XrCreateSpatialContextCompletionEXT {
+    XrStructureType        type;
+    void* XR_MAY_ALIAS     next;
+    XrResult               futureResult;
+    XrSpatialContextEXT    spatialContext;
+} XrCreateSpatialContextCompletionEXT;
+
+typedef struct XrSpatialDiscoverySnapshotCreateInfoEXT {
+    XrStructureType                     type;
+    const void* XR_MAY_ALIAS            next;
+    uint32_t                            componentTypeCount;
+    const XrSpatialComponentTypeEXT*    componentTypes;
+} XrSpatialDiscoverySnapshotCreateInfoEXT;
+
+typedef struct XrCreateSpatialDiscoverySnapshotCompletionInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     baseSpace;
+    XrTime                      time;
+    XrFutureEXT                 future;
+} XrCreateSpatialDiscoverySnapshotCompletionInfoEXT;
+
+typedef struct XrCreateSpatialDiscoverySnapshotCompletionEXT {
+    XrStructureType         type;
+    void* XR_MAY_ALIAS      next;
+    XrResult                futureResult;
+    XrSpatialSnapshotEXT    snapshot;
+} XrCreateSpatialDiscoverySnapshotCompletionEXT;
+
+typedef struct XrSpatialComponentDataQueryConditionEXT {
+    XrStructureType                     type;
+    const void* XR_MAY_ALIAS            next;
+    uint32_t                            componentTypeCount;
+    const XrSpatialComponentTypeEXT*    componentTypes;
+} XrSpatialComponentDataQueryConditionEXT;
+
+typedef struct XrSpatialComponentDataQueryResultEXT {
+    XrStructureType                     type;
+    void* XR_MAY_ALIAS                  next;
+    uint32_t                            entityIdCapacityInput;
+    uint32_t                            entityIdCountOutput;
+    XrSpatialEntityIdEXT*               entityIds;
+    uint32_t                            entityStateCapacityInput;
+    uint32_t                            entityStateCountOutput;
+    XrSpatialEntityTrackingStateEXT*    entityStates;
+} XrSpatialComponentDataQueryResultEXT;
+
+typedef struct XrSpatialBufferEXT {
+    XrSpatialBufferIdEXT      bufferId;
+    XrSpatialBufferTypeEXT    bufferType;
+} XrSpatialBufferEXT;
+
+typedef struct XrSpatialBufferGetInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpatialBufferIdEXT        bufferId;
+} XrSpatialBufferGetInfoEXT;
+
+typedef struct XrSpatialBounded2DDataEXT {
+    XrPosef        center;
+    XrExtent2Df    extents;
+} XrSpatialBounded2DDataEXT;
+
+// XrSpatialComponentBounded2DListEXT extends XrSpatialComponentDataQueryResultEXT
+typedef struct XrSpatialComponentBounded2DListEXT {
+    XrStructureType               type;
+    void* XR_MAY_ALIAS            next;
+    uint32_t                      boundCount;
+    XrSpatialBounded2DDataEXT*    bounds;
+} XrSpatialComponentBounded2DListEXT;
+
+// XrSpatialComponentBounded3DListEXT extends XrSpatialComponentDataQueryResultEXT
+typedef struct XrSpatialComponentBounded3DListEXT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              boundCount;
+    XrBoxf*               bounds;
+} XrSpatialComponentBounded3DListEXT;
+
+// XrSpatialComponentParentListEXT extends XrSpatialComponentDataQueryResultEXT
+typedef struct XrSpatialComponentParentListEXT {
+    XrStructureType          type;
+    void* XR_MAY_ALIAS       next;
+    uint32_t                 parentCount;
+    XrSpatialEntityIdEXT*    parents;
+} XrSpatialComponentParentListEXT;
+
+typedef struct XrSpatialMeshDataEXT {
+    XrPosef               origin;
+    XrSpatialBufferEXT    vertexBuffer;
+    XrSpatialBufferEXT    indexBuffer;
+} XrSpatialMeshDataEXT;
+
+// XrSpatialComponentMesh3DListEXT extends XrSpatialComponentDataQueryResultEXT
+typedef struct XrSpatialComponentMesh3DListEXT {
+    XrStructureType          type;
+    void* XR_MAY_ALIAS       next;
+    uint32_t                 meshCount;
+    XrSpatialMeshDataEXT*    meshes;
+} XrSpatialComponentMesh3DListEXT;
+
+typedef struct XrSpatialEntityFromIdCreateInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpatialEntityIdEXT        entityId;
+} XrSpatialEntityFromIdCreateInfoEXT;
+
+typedef struct XrSpatialUpdateSnapshotCreateInfoEXT {
+    XrStructureType                     type;
+    const void* XR_MAY_ALIAS            next;
+    uint32_t                            entityCount;
+    const XrSpatialEntityEXT*           entities;
+    uint32_t                            componentTypeCount;
+    const XrSpatialComponentTypeEXT*    componentTypes;
+    XrSpace                             baseSpace;
+    XrTime                              time;
+} XrSpatialUpdateSnapshotCreateInfoEXT;
+
+typedef struct XrEventDataSpatialDiscoveryRecommendedEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpatialContextEXT         spatialContext;
+} XrEventDataSpatialDiscoveryRecommendedEXT;
+
+// XrSpatialFilterTrackingStateEXT extends XrSpatialDiscoverySnapshotCreateInfoEXT,XrSpatialComponentDataQueryConditionEXT
+typedef struct XrSpatialFilterTrackingStateEXT {
+    XrStructureType                    type;
+    const void* XR_MAY_ALIAS           next;
+    XrSpatialEntityTrackingStateEXT    trackingState;
+} XrSpatialFilterTrackingStateEXT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateSpatialCapabilitiesEXT)(XrInstance instance, XrSystemId systemId, uint32_t capabilityCapacityInput, uint32_t* capabilityCountOutput, XrSpatialCapabilityEXT* capabilities);
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateSpatialCapabilityComponentTypesEXT)(XrInstance instance, XrSystemId systemId, XrSpatialCapabilityEXT capability, XrSpatialCapabilityComponentTypesEXT* capabilityComponents);
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateSpatialCapabilityFeaturesEXT)(XrInstance instance, XrSystemId systemId, XrSpatialCapabilityEXT capability, uint32_t capabilityFeatureCapacityInput, uint32_t* capabilityFeatureCountOutput, XrSpatialCapabilityFeatureEXT* capabilityFeatures);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialContextAsyncEXT)(XrSession session, const XrSpatialContextCreateInfoEXT* createInfo, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialContextCompleteEXT)(XrSession session, XrFutureEXT future, XrCreateSpatialContextCompletionEXT* completion);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroySpatialContextEXT)(XrSpatialContextEXT spatialContext);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialDiscoverySnapshotAsyncEXT)(XrSpatialContextEXT spatialContext, const XrSpatialDiscoverySnapshotCreateInfoEXT* createInfo, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialDiscoverySnapshotCompleteEXT)(XrSpatialContextEXT spatialContext, const XrCreateSpatialDiscoverySnapshotCompletionInfoEXT* createSnapshotCompletionInfo, XrCreateSpatialDiscoverySnapshotCompletionEXT* completion);
+typedef XrResult (XRAPI_PTR *PFN_xrQuerySpatialComponentDataEXT)(XrSpatialSnapshotEXT snapshot, const XrSpatialComponentDataQueryConditionEXT* queryCondition, XrSpatialComponentDataQueryResultEXT* queryResult);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroySpatialSnapshotEXT)(XrSpatialSnapshotEXT snapshot);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialEntityFromIdEXT)(XrSpatialContextEXT spatialContext, const XrSpatialEntityFromIdCreateInfoEXT* createInfo, XrSpatialEntityEXT* spatialEntity);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroySpatialEntityEXT)(XrSpatialEntityEXT spatialEntity);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialUpdateSnapshotEXT)(XrSpatialContextEXT spatialContext, const XrSpatialUpdateSnapshotCreateInfoEXT* createInfo, XrSpatialSnapshotEXT* snapshot);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpatialBufferStringEXT)(XrSpatialSnapshotEXT snapshot, const XrSpatialBufferGetInfoEXT* info, uint32_t bufferCapacityInput, uint32_t* bufferCountOutput, char* buffer);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpatialBufferUint8EXT)(XrSpatialSnapshotEXT snapshot, const XrSpatialBufferGetInfoEXT* info, uint32_t bufferCapacityInput, uint32_t* bufferCountOutput, uint8_t* buffer);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpatialBufferUint16EXT)(XrSpatialSnapshotEXT snapshot, const XrSpatialBufferGetInfoEXT* info, uint32_t bufferCapacityInput, uint32_t* bufferCountOutput, uint16_t* buffer);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpatialBufferUint32EXT)(XrSpatialSnapshotEXT snapshot, const XrSpatialBufferGetInfoEXT* info, uint32_t bufferCapacityInput, uint32_t* bufferCountOutput, uint32_t* buffer);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpatialBufferFloatEXT)(XrSpatialSnapshotEXT snapshot, const XrSpatialBufferGetInfoEXT* info, uint32_t bufferCapacityInput, uint32_t* bufferCountOutput, float* buffer);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpatialBufferVector2fEXT)(XrSpatialSnapshotEXT snapshot, const XrSpatialBufferGetInfoEXT* info, uint32_t bufferCapacityInput, uint32_t* bufferCountOutput, XrVector2f* buffer);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpatialBufferVector3fEXT)(XrSpatialSnapshotEXT snapshot, const XrSpatialBufferGetInfoEXT* info, uint32_t bufferCapacityInput, uint32_t* bufferCountOutput, XrVector3f* buffer);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateSpatialCapabilitiesEXT(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    uint32_t                                    capabilityCapacityInput,
+    uint32_t*                                   capabilityCountOutput,
+    XrSpatialCapabilityEXT*                     capabilities);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateSpatialCapabilityComponentTypesEXT(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    XrSpatialCapabilityEXT                      capability,
+    XrSpatialCapabilityComponentTypesEXT*       capabilityComponents);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateSpatialCapabilityFeaturesEXT(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    XrSpatialCapabilityEXT                      capability,
+    uint32_t                                    capabilityFeatureCapacityInput,
+    uint32_t*                                   capabilityFeatureCountOutput,
+    XrSpatialCapabilityFeatureEXT*              capabilityFeatures);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialContextAsyncEXT(
+    XrSession                                   session,
+    const XrSpatialContextCreateInfoEXT*        createInfo,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialContextCompleteEXT(
+    XrSession                                   session,
+    XrFutureEXT                                 future,
+    XrCreateSpatialContextCompletionEXT*        completion);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroySpatialContextEXT(
+    XrSpatialContextEXT                         spatialContext);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialDiscoverySnapshotAsyncEXT(
+    XrSpatialContextEXT                         spatialContext,
+    const XrSpatialDiscoverySnapshotCreateInfoEXT* createInfo,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialDiscoverySnapshotCompleteEXT(
+    XrSpatialContextEXT                         spatialContext,
+    const XrCreateSpatialDiscoverySnapshotCompletionInfoEXT* createSnapshotCompletionInfo,
+    XrCreateSpatialDiscoverySnapshotCompletionEXT* completion);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrQuerySpatialComponentDataEXT(
+    XrSpatialSnapshotEXT                        snapshot,
+    const XrSpatialComponentDataQueryConditionEXT* queryCondition,
+    XrSpatialComponentDataQueryResultEXT*       queryResult);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroySpatialSnapshotEXT(
+    XrSpatialSnapshotEXT                        snapshot);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialEntityFromIdEXT(
+    XrSpatialContextEXT                         spatialContext,
+    const XrSpatialEntityFromIdCreateInfoEXT*   createInfo,
+    XrSpatialEntityEXT*                         spatialEntity);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroySpatialEntityEXT(
+    XrSpatialEntityEXT                          spatialEntity);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialUpdateSnapshotEXT(
+    XrSpatialContextEXT                         spatialContext,
+    const XrSpatialUpdateSnapshotCreateInfoEXT* createInfo,
+    XrSpatialSnapshotEXT*                       snapshot);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpatialBufferStringEXT(
+    XrSpatialSnapshotEXT                        snapshot,
+    const XrSpatialBufferGetInfoEXT*            info,
+    uint32_t                                    bufferCapacityInput,
+    uint32_t*                                   bufferCountOutput,
+    char*                                       buffer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpatialBufferUint8EXT(
+    XrSpatialSnapshotEXT                        snapshot,
+    const XrSpatialBufferGetInfoEXT*            info,
+    uint32_t                                    bufferCapacityInput,
+    uint32_t*                                   bufferCountOutput,
+    uint8_t*                                    buffer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpatialBufferUint16EXT(
+    XrSpatialSnapshotEXT                        snapshot,
+    const XrSpatialBufferGetInfoEXT*            info,
+    uint32_t                                    bufferCapacityInput,
+    uint32_t*                                   bufferCountOutput,
+    uint16_t*                                   buffer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpatialBufferUint32EXT(
+    XrSpatialSnapshotEXT                        snapshot,
+    const XrSpatialBufferGetInfoEXT*            info,
+    uint32_t                                    bufferCapacityInput,
+    uint32_t*                                   bufferCountOutput,
+    uint32_t*                                   buffer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpatialBufferFloatEXT(
+    XrSpatialSnapshotEXT                        snapshot,
+    const XrSpatialBufferGetInfoEXT*            info,
+    uint32_t                                    bufferCapacityInput,
+    uint32_t*                                   bufferCountOutput,
+    float*                                      buffer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpatialBufferVector2fEXT(
+    XrSpatialSnapshotEXT                        snapshot,
+    const XrSpatialBufferGetInfoEXT*            info,
+    uint32_t                                    bufferCapacityInput,
+    uint32_t*                                   bufferCountOutput,
+    XrVector2f*                                 buffer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpatialBufferVector3fEXT(
+    XrSpatialSnapshotEXT                        snapshot,
+    const XrSpatialBufferGetInfoEXT*            info,
+    uint32_t                                    bufferCapacityInput,
+    uint32_t*                                   bufferCountOutput,
+    XrVector3f*                                 buffer);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_EXT_spatial_plane_tracking is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_spatial_plane_tracking 1
+#define XR_EXT_spatial_plane_tracking_SPEC_VERSION 1
+#define XR_EXT_SPATIAL_PLANE_TRACKING_EXTENSION_NAME "XR_EXT_spatial_plane_tracking"
+
+typedef enum XrSpatialPlaneAlignmentEXT {
+    XR_SPATIAL_PLANE_ALIGNMENT_HORIZONTAL_UPWARD_EXT = 0,
+    XR_SPATIAL_PLANE_ALIGNMENT_HORIZONTAL_DOWNWARD_EXT = 1,
+    XR_SPATIAL_PLANE_ALIGNMENT_VERTICAL_EXT = 2,
+    XR_SPATIAL_PLANE_ALIGNMENT_ARBITRARY_EXT = 3,
+    XR_SPATIAL_PLANE_ALIGNMENT_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrSpatialPlaneAlignmentEXT;
+
+typedef enum XrSpatialPlaneSemanticLabelEXT {
+    XR_SPATIAL_PLANE_SEMANTIC_LABEL_UNCATEGORIZED_EXT = 1,
+    XR_SPATIAL_PLANE_SEMANTIC_LABEL_FLOOR_EXT = 2,
+    XR_SPATIAL_PLANE_SEMANTIC_LABEL_WALL_EXT = 3,
+    XR_SPATIAL_PLANE_SEMANTIC_LABEL_CEILING_EXT = 4,
+    XR_SPATIAL_PLANE_SEMANTIC_LABEL_TABLE_EXT = 5,
+    XR_SPATIAL_PLANE_SEMANTIC_LABEL_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrSpatialPlaneSemanticLabelEXT;
+typedef struct XrSpatialCapabilityConfigurationPlaneTrackingEXT {
+    XrStructureType                     type;
+    const void* XR_MAY_ALIAS            next;
+    XrSpatialCapabilityEXT              capability;
+    uint32_t                            enabledComponentCount;
+    const XrSpatialComponentTypeEXT*    enabledComponents;
+} XrSpatialCapabilityConfigurationPlaneTrackingEXT;
+
+// XrSpatialComponentPlaneAlignmentListEXT extends XrSpatialComponentDataQueryResultEXT
+typedef struct XrSpatialComponentPlaneAlignmentListEXT {
+    XrStructureType                type;
+    void* XR_MAY_ALIAS             next;
+    uint32_t                       planeAlignmentCount;
+    XrSpatialPlaneAlignmentEXT*    planeAlignments;
+} XrSpatialComponentPlaneAlignmentListEXT;
+
+// XrSpatialComponentMesh2DListEXT extends XrSpatialComponentDataQueryResultEXT
+typedef struct XrSpatialComponentMesh2DListEXT {
+    XrStructureType          type;
+    void* XR_MAY_ALIAS       next;
+    uint32_t                 meshCount;
+    XrSpatialMeshDataEXT*    meshes;
+} XrSpatialComponentMesh2DListEXT;
+
+typedef struct XrSpatialPolygon2DDataEXT {
+    XrPosef               origin;
+    XrSpatialBufferEXT    vertexBuffer;
+} XrSpatialPolygon2DDataEXT;
+
+// XrSpatialComponentPolygon2DListEXT extends XrSpatialComponentDataQueryResultEXT
+typedef struct XrSpatialComponentPolygon2DListEXT {
+    XrStructureType               type;
+    void* XR_MAY_ALIAS            next;
+    uint32_t                      polygonCount;
+    XrSpatialPolygon2DDataEXT*    polygons;
+} XrSpatialComponentPolygon2DListEXT;
+
+// XrSpatialComponentPlaneSemanticLabelListEXT extends XrSpatialComponentDataQueryResultEXT
+typedef struct XrSpatialComponentPlaneSemanticLabelListEXT {
+    XrStructureType                    type;
+    void* XR_MAY_ALIAS                 next;
+    uint32_t                           semanticLabelCount;
+    XrSpatialPlaneSemanticLabelEXT*    semanticLabels;
+} XrSpatialComponentPlaneSemanticLabelListEXT;
+
+
+
+// XR_EXT_stationary_reference_space is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_stationary_reference_space 1
+#define XR_EXT_stationary_reference_space_SPEC_VERSION 1
+#define XR_EXT_STATIONARY_REFERENCE_SPACE_EXTENSION_NAME "XR_EXT_stationary_reference_space"
+typedef struct XrStationaryReferenceSpaceGenerationIdGetInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrStationaryReferenceSpaceGenerationIdGetInfoEXT;
+
+typedef struct XrStationaryReferenceSpaceGenerationIdResultEXT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrUuid                generationId;
+} XrStationaryReferenceSpaceGenerationIdResultEXT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrGetStationaryReferenceSpaceGenerationIdEXT)(XrSession session, const XrStationaryReferenceSpaceGenerationIdGetInfoEXT* getInfo, XrStationaryReferenceSpaceGenerationIdResultEXT* generationIdResult);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetStationaryReferenceSpaceGenerationIdEXT(
+    XrSession                                   session,
+    const XrStationaryReferenceSpaceGenerationIdGetInfoEXT* getInfo,
+    XrStationaryReferenceSpaceGenerationIdResultEXT* generationIdResult);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_EXT_spatial_marker_tracking is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_spatial_marker_tracking 1
+#define XR_EXT_spatial_marker_tracking_SPEC_VERSION 1
+#define XR_EXT_SPATIAL_MARKER_TRACKING_EXTENSION_NAME "XR_EXT_spatial_marker_tracking"
+
+typedef enum XrSpatialMarkerArucoDictEXT {
+    XR_SPATIAL_MARKER_ARUCO_DICT_4X4_50_EXT = 1,
+    XR_SPATIAL_MARKER_ARUCO_DICT_4X4_100_EXT = 2,
+    XR_SPATIAL_MARKER_ARUCO_DICT_4X4_250_EXT = 3,
+    XR_SPATIAL_MARKER_ARUCO_DICT_4X4_1000_EXT = 4,
+    XR_SPATIAL_MARKER_ARUCO_DICT_5X5_50_EXT = 5,
+    XR_SPATIAL_MARKER_ARUCO_DICT_5X5_100_EXT = 6,
+    XR_SPATIAL_MARKER_ARUCO_DICT_5X5_250_EXT = 7,
+    XR_SPATIAL_MARKER_ARUCO_DICT_5X5_1000_EXT = 8,
+    XR_SPATIAL_MARKER_ARUCO_DICT_6X6_50_EXT = 9,
+    XR_SPATIAL_MARKER_ARUCO_DICT_6X6_100_EXT = 10,
+    XR_SPATIAL_MARKER_ARUCO_DICT_6X6_250_EXT = 11,
+    XR_SPATIAL_MARKER_ARUCO_DICT_6X6_1000_EXT = 12,
+    XR_SPATIAL_MARKER_ARUCO_DICT_7X7_50_EXT = 13,
+    XR_SPATIAL_MARKER_ARUCO_DICT_7X7_100_EXT = 14,
+    XR_SPATIAL_MARKER_ARUCO_DICT_7X7_250_EXT = 15,
+    XR_SPATIAL_MARKER_ARUCO_DICT_7X7_1000_EXT = 16,
+    XR_SPATIAL_MARKER_ARUCO_DICT_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrSpatialMarkerArucoDictEXT;
+
+typedef enum XrSpatialMarkerAprilTagDictEXT {
+    XR_SPATIAL_MARKER_APRIL_TAG_DICT_16H5_EXT = 1,
+    XR_SPATIAL_MARKER_APRIL_TAG_DICT_25H9_EXT = 2,
+    XR_SPATIAL_MARKER_APRIL_TAG_DICT_36H10_EXT = 3,
+    XR_SPATIAL_MARKER_APRIL_TAG_DICT_36H11_EXT = 4,
+    XR_SPATIAL_MARKER_APRIL_TAG_DICT_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrSpatialMarkerAprilTagDictEXT;
+typedef struct XrSpatialCapabilityConfigurationQrCodeEXT {
+    XrStructureType                     type;
+    const void* XR_MAY_ALIAS            next;
+    XrSpatialCapabilityEXT              capability;
+    uint32_t                            enabledComponentCount;
+    const XrSpatialComponentTypeEXT*    enabledComponents;
+} XrSpatialCapabilityConfigurationQrCodeEXT;
+
+typedef struct XrSpatialCapabilityConfigurationMicroQrCodeEXT {
+    XrStructureType                     type;
+    const void* XR_MAY_ALIAS            next;
+    XrSpatialCapabilityEXT              capability;
+    uint32_t                            enabledComponentCount;
+    const XrSpatialComponentTypeEXT*    enabledComponents;
+} XrSpatialCapabilityConfigurationMicroQrCodeEXT;
+
+typedef struct XrSpatialCapabilityConfigurationArucoMarkerEXT {
+    XrStructureType                     type;
+    const void* XR_MAY_ALIAS            next;
+    XrSpatialCapabilityEXT              capability;
+    uint32_t                            enabledComponentCount;
+    const XrSpatialComponentTypeEXT*    enabledComponents;
+    XrSpatialMarkerArucoDictEXT         arUcoDict;
+} XrSpatialCapabilityConfigurationArucoMarkerEXT;
+
+typedef struct XrSpatialCapabilityConfigurationAprilTagEXT {
+    XrStructureType                     type;
+    const void* XR_MAY_ALIAS            next;
+    XrSpatialCapabilityEXT              capability;
+    uint32_t                            enabledComponentCount;
+    const XrSpatialComponentTypeEXT*    enabledComponents;
+    XrSpatialMarkerAprilTagDictEXT      aprilDict;
+} XrSpatialCapabilityConfigurationAprilTagEXT;
+
+// XrSpatialMarkerSizeEXT extends XrSpatialCapabilityConfigurationArucoMarkerEXT,XrSpatialCapabilityConfigurationAprilTagEXT,XrSpatialCapabilityConfigurationQrCodeEXT,XrSpatialCapabilityConfigurationMicroQrCodeEXT
+typedef struct XrSpatialMarkerSizeEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    float                       markerSideLength;
+} XrSpatialMarkerSizeEXT;
+
+// XrSpatialMarkerStaticOptimizationEXT extends XrSpatialCapabilityConfigurationArucoMarkerEXT,XrSpatialCapabilityConfigurationAprilTagEXT,XrSpatialCapabilityConfigurationQrCodeEXT,XrSpatialCapabilityConfigurationMicroQrCodeEXT
+typedef struct XrSpatialMarkerStaticOptimizationEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrBool32                    optimizeForStaticMarker;
+} XrSpatialMarkerStaticOptimizationEXT;
+
+typedef struct XrSpatialMarkerDataEXT {
+    XrSpatialCapabilityEXT    capability;
+    uint32_t                  markerId;
+    XrSpatialBufferEXT        data;
+} XrSpatialMarkerDataEXT;
+
+// XrSpatialComponentMarkerListEXT extends XrSpatialComponentDataQueryResultEXT
+typedef struct XrSpatialComponentMarkerListEXT {
+    XrStructureType            type;
+    void* XR_MAY_ALIAS         next;
+    uint32_t                   markerCount;
+    XrSpatialMarkerDataEXT*    markers;
+} XrSpatialComponentMarkerListEXT;
+
+
+
+// XR_LOGITECH_mx_ink_stylus_interaction is a preprocessor guard. Do not pass it to API calls.
+#define XR_LOGITECH_mx_ink_stylus_interaction 1
+#define XR_LOGITECH_mx_ink_stylus_interaction_SPEC_VERSION 1
+#define XR_LOGITECH_MX_INK_STYLUS_INTERACTION_EXTENSION_NAME "XR_LOGITECH_mx_ink_stylus_interaction"
+
+
+// XR_BD_dynamic_object_tracking is a preprocessor guard. Do not pass it to API calls.
+#define XR_BD_dynamic_object_tracking 1
+#define XR_BD_dynamic_object_tracking_SPEC_VERSION 1
+#define XR_BD_DYNAMIC_OBJECT_TRACKING_EXTENSION_NAME "XR_BD_dynamic_object_tracking"
+
+typedef enum XrDynamicObjectTypeBD {
+    XR_DYNAMIC_OBJECT_TYPE_UNKNOWN_BD = 0,
+    XR_DYNAMIC_OBJECT_TYPE_KEYBOARD_BD = 1000747000,
+    XR_DYNAMIC_OBJECT_TYPE_MOUSE_BD = 1000748000,
+    XR_DYNAMIC_OBJECT_TYPE_MAX_ENUM_BD = 0x7FFFFFFF
+} XrDynamicObjectTypeBD;
+// XrSystemDynamicObjectTrackingPropertiesBD extends XrSystemProperties
+typedef struct XrSystemDynamicObjectTrackingPropertiesBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsDynamicObjectTracking;
+} XrSystemDynamicObjectTrackingPropertiesBD;
+
+// XrSenseDataProviderCreateInfoDynamicObjectBD extends XrSenseDataProviderCreateInfoBD
+typedef struct XrSenseDataProviderCreateInfoDynamicObjectBD {
+    XrStructureType                 type;
+    const void* XR_MAY_ALIAS        next;
+    uint32_t                        trackingTypeCount;
+    const XrDynamicObjectTypeBD*    trackingTypes;
+} XrSenseDataProviderCreateInfoDynamicObjectBD;
+
+typedef struct XrDynamicObjectDataBD {
+    XrStructureType          type;
+    void* XR_MAY_ALIAS       next;
+    XrDynamicObjectTypeBD    objectType;
+} XrDynamicObjectDataBD;
+
+// XrSpatialEntityComponentDataDynamicObjectBD extends XrSpatialEntityComponentDataBaseHeaderBD
+typedef struct XrSpatialEntityComponentDataDynamicObjectBD {
+    XrStructureType          type;
+    void* XR_MAY_ALIAS       next;
+    XrDynamicObjectDataBD    data;
+} XrSpatialEntityComponentDataDynamicObjectBD;
+
+// XrSenseDataFilterDynamicObjectTypeBD extends XrSenseDataQueryInfoBD
+typedef struct XrSenseDataFilterDynamicObjectTypeBD {
+    XrStructureType                 type;
+    const void* XR_MAY_ALIAS        next;
+    uint32_t                        typeCount;
+    const XrDynamicObjectTypeBD*    types;
+} XrSenseDataFilterDynamicObjectTypeBD;
+
+
+
+// XR_BD_dynamic_object_keyboard is a preprocessor guard. Do not pass it to API calls.
+#define XR_BD_dynamic_object_keyboard 1
+#define XR_BD_dynamic_object_keyboard_SPEC_VERSION 1
+#define XR_BD_DYNAMIC_OBJECT_KEYBOARD_EXTENSION_NAME "XR_BD_dynamic_object_keyboard"
+// XrSystemDynamicObjectKeyboardPropertiesBD extends XrSystemProperties
+typedef struct XrSystemDynamicObjectKeyboardPropertiesBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsDynamicObjectKeyboard;
+} XrSystemDynamicObjectKeyboardPropertiesBD;
+
+
+
+// XR_BD_dynamic_object_mouse is a preprocessor guard. Do not pass it to API calls.
+#define XR_BD_dynamic_object_mouse 1
+#define XR_BD_dynamic_object_mouse_SPEC_VERSION 1
+#define XR_BD_DYNAMIC_OBJECT_MOUSE_EXTENSION_NAME "XR_BD_dynamic_object_mouse"
+// XrSystemDynamicObjectMousePropertiesBD extends XrSystemProperties
+typedef struct XrSystemDynamicObjectMousePropertiesBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsDynamicObjectMouse;
+} XrSystemDynamicObjectMousePropertiesBD;
+
+
+
+// XR_BD_camera_image is a preprocessor guard. Do not pass it to API calls.
+#define XR_BD_camera_image 1
+XR_DEFINE_ATOM(XrCameraIdBD)
+XR_DEFINE_ATOM(XrCameraImageIdBD)
+XR_DEFINE_HANDLE(XrCameraDeviceBD)
+XR_DEFINE_HANDLE(XrCameraCaptureSessionBD)
+#define XR_BD_camera_image_SPEC_VERSION   1
+#define XR_BD_CAMERA_IMAGE_EXTENSION_NAME "XR_BD_camera_image"
+
+typedef enum XrCameraPropertyTypeBD {
+    XR_CAMERA_PROPERTY_TYPE_FACING_BD = 1,
+    XR_CAMERA_PROPERTY_TYPE_POSITION_BD = 2,
+    XR_CAMERA_PROPERTY_TYPE_CAMERA_TYPE_BD = 3,
+    XR_CAMERA_PROPERTY_TYPE_MAX_ENUM_BD = 0x7FFFFFFF
+} XrCameraPropertyTypeBD;
+
+typedef enum XrCameraFacingBD {
+    XR_CAMERA_FACING_WORLD_BD = 1,
+    XR_CAMERA_FACING_MAX_ENUM_BD = 0x7FFFFFFF
+} XrCameraFacingBD;
+
+typedef enum XrCameraPositionBD {
+    XR_CAMERA_POSITION_UNSPECIFIED_BD = 1,
+    XR_CAMERA_POSITION_LEFT_BD = 2,
+    XR_CAMERA_POSITION_RIGHT_BD = 3,
+    XR_CAMERA_POSITION_MAX_ENUM_BD = 0x7FFFFFFF
+} XrCameraPositionBD;
+
+typedef enum XrCameraTypeBD {
+    XR_CAMERA_TYPE_PASSTHROUGH_COLOR_BD = 1,
+    XR_CAMERA_TYPE_MAX_ENUM_BD = 0x7FFFFFFF
+} XrCameraTypeBD;
+
+typedef enum XrCameraCapabilityTypeBD {
+    XR_CAMERA_CAPABILITY_TYPE_IMAGE_RESOLUTION_AND_FRAME_RATE_BD = 1,
+    XR_CAMERA_CAPABILITY_TYPE_IMAGE_FORMAT_BD = 2,
+    XR_CAMERA_CAPABILITY_TYPE_DATA_TRANSFER_TYPE_BD = 3,
+    XR_CAMERA_CAPABILITY_TYPE_CAMERA_MODEL_BD = 4,
+    XR_CAMERA_CAPABILITY_TYPE_MAX_ENUM_BD = 0x7FFFFFFF
+} XrCameraCapabilityTypeBD;
+
+typedef enum XrCameraDataTransferTypeBD {
+    XR_CAMERA_DATA_TRANSFER_TYPE_RAW_BUFFER_BD = 1,
+    XR_CAMERA_DATA_TRANSFER_TYPE_MAX_ENUM_BD = 0x7FFFFFFF
+} XrCameraDataTransferTypeBD;
+
+typedef enum XrCameraImageFormatBD {
+    XR_CAMERA_IMAGE_FORMAT_RGBA_8888_BD = 1,
+    XR_CAMERA_IMAGE_FORMAT_MAX_ENUM_BD = 0x7FFFFFFF
+} XrCameraImageFormatBD;
+
+typedef enum XrCameraModelBD {
+    XR_CAMERA_MODEL_PINHOLE_BD = 1,
+    XR_CAMERA_MODEL_MAX_ENUM_BD = 0x7FFFFFFF
+} XrCameraModelBD;
+typedef struct XR_MAY_ALIAS XrCameraPropertyBaseHeaderBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrCameraPropertyBaseHeaderBD;
+
+typedef struct XrCameraPropertiesBD {
+    XrStructureType                   type;
+    void* XR_MAY_ALIAS                next;
+    uint32_t                          propertyCount;
+    XrCameraPropertyBaseHeaderBD**    properties;
+} XrCameraPropertiesBD;
+
+typedef struct XR_MAY_ALIAS XrCameraCapabilityBaseHeaderBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrCameraCapabilityBaseHeaderBD;
+
+typedef struct XrCameraCapabilitiesBD {
+    XrStructureType                     type;
+    const void* XR_MAY_ALIAS            next;
+    uint32_t                            capabilityCount;
+    XrCameraCapabilityBaseHeaderBD**    capabilities;
+} XrCameraCapabilitiesBD;
+
+typedef struct XrAvailableCamerasEnumerateInfoBD {
+    XrStructureType                  type;
+    const void* XR_MAY_ALIAS         next;
+    const XrCameraPropertiesBD*      properties;
+    const XrCameraCapabilitiesBD*    capabilities;
+} XrAvailableCamerasEnumerateInfoBD;
+
+typedef struct XrAvailableCameraBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrCameraIdBD          cameraId;
+} XrAvailableCameraBD;
+
+typedef struct XrCameraPropertyTypesEnumerateInfoBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrCameraIdBD                cameraId;
+} XrCameraPropertyTypesEnumerateInfoBD;
+
+typedef struct XrCameraPropertyTypesBD {
+    XrStructureType            type;
+    void* XR_MAY_ALIAS         next;
+    uint32_t                   propertyTypeCapacityInput;
+    uint32_t                   propertyTypeCountOutput;
+    XrCameraPropertyTypeBD*    propertyTypes;
+} XrCameraPropertyTypesBD;
+
+typedef struct XrCameraPropertiesGetInfoBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrCameraIdBD                cameraId;
+} XrCameraPropertiesGetInfoBD;
+
+typedef struct XrCameraPropertyFacingBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrCameraFacingBD            facing;
+} XrCameraPropertyFacingBD;
+
+typedef struct XrCameraPropertyPositionBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrCameraPositionBD          position;
+} XrCameraPropertyPositionBD;
+
+typedef struct XrCameraPropertyCameraTypeBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrCameraTypeBD              cameraType;
+} XrCameraPropertyCameraTypeBD;
+
+typedef struct XrCameraCapabilityTypesEnumerateInfoBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrCameraIdBD                cameraId;
+} XrCameraCapabilityTypesEnumerateInfoBD;
+
+typedef struct XrCameraCapabilityTypesBD {
+    XrStructureType              type;
+    void* XR_MAY_ALIAS           next;
+    uint32_t                     capabilityTypeCapacityInput;
+    uint32_t                     capabilityTypeCountOutput;
+    XrCameraCapabilityTypeBD*    capabilityTypes;
+} XrCameraCapabilityTypesBD;
+
+typedef struct XrCameraSupportedCapabilitiesGetInfoBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrCameraIdBD                id;
+} XrCameraSupportedCapabilitiesGetInfoBD;
+
+typedef struct XR_MAY_ALIAS XrCameraSupportedCapabilityBaseHeaderBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+} XrCameraSupportedCapabilityBaseHeaderBD;
+
+typedef struct XrCameraSupportedCapabilitiesBD {
+    XrStructureType                              type;
+    void* XR_MAY_ALIAS                           next;
+    uint32_t                                     capabilityCount;
+    XrCameraSupportedCapabilityBaseHeaderBD**    capabilities;
+} XrCameraSupportedCapabilitiesBD;
+
+typedef struct XrCameraImageResolutionAndFrameRateBD {
+    XrExtent2Di    resolution;
+    uint32_t       frameRate;
+} XrCameraImageResolutionAndFrameRateBD;
+
+typedef struct XrCameraSupportedCapabilityImageResolutionAndFrameRateBD {
+    XrStructureType                           type;
+    void* XR_MAY_ALIAS                        next;
+    uint32_t                                  resolutionAndFrameRateCapacityInput;
+    uint32_t                                  resolutionAndFrameRateCountOutput;
+    XrCameraImageResolutionAndFrameRateBD*    resolutionAndFrameRates;
+} XrCameraSupportedCapabilityImageResolutionAndFrameRateBD;
+
+typedef struct XrCameraCapabilityImageResolutionAndFrameRateBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrExtent2Di                 resolution;
+    uint32_t                    frameRate;
+} XrCameraCapabilityImageResolutionAndFrameRateBD;
+
+typedef struct XrCameraSupportedCapabilityDataTransferTypeBD {
+    XrStructureType                type;
+    void* XR_MAY_ALIAS             next;
+    uint32_t                       transferTypeCapacityInput;
+    uint32_t                       transferTypeCountOutput;
+    XrCameraDataTransferTypeBD*    transferTypes;
+} XrCameraSupportedCapabilityDataTransferTypeBD;
+
+typedef struct XrCameraCapabilityDataTransferTypeBD {
+    XrStructureType               type;
+    const void* XR_MAY_ALIAS      next;
+    XrCameraDataTransferTypeBD    transferType;
+} XrCameraCapabilityDataTransferTypeBD;
+
+typedef struct XrCameraSupportedCapabilityImageFormatBD {
+    XrStructureType           type;
+    void* XR_MAY_ALIAS        next;
+    uint32_t                  formatCapacityInput;
+    uint32_t                  formatCountOutput;
+    XrCameraImageFormatBD*    formats;
+} XrCameraSupportedCapabilityImageFormatBD;
+
+typedef struct XrCameraCapabilityImageFormatBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrCameraImageFormatBD       format;
+} XrCameraCapabilityImageFormatBD;
+
+typedef struct XrCameraSupportedCapabilityCameraModelBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              modelCapacityInput;
+    uint32_t              modelCountOutput;
+    XrCameraModelBD*      models;
+} XrCameraSupportedCapabilityCameraModelBD;
+
+typedef struct XrCameraCapabilityCameraModelBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrCameraModelBD             model;
+} XrCameraCapabilityCameraModelBD;
+
+typedef struct XrCameraDeviceCreateInfoBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrCameraIdBD                cameraId;
+} XrCameraDeviceCreateInfoBD;
+
+typedef struct XrCreateCameraDeviceCompletionBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrResult              futureResult;
+    XrCameraDeviceBD      device;
+} XrCreateCameraDeviceCompletionBD;
+
+typedef struct XrCameraCaptureSessionCreateInfoBD {
+    XrStructureType                                 type;
+    const void* XR_MAY_ALIAS                        next;
+    XrCameraDeviceBD                                camera;
+    uint32_t                                        configCount;
+    const XrCameraCapabilityBaseHeaderBD* const*    configs;
+} XrCameraCaptureSessionCreateInfoBD;
+
+typedef struct XrCreateCameraCaptureSessionCompletionBD {
+    XrStructureType             type;
+    void* XR_MAY_ALIAS          next;
+    XrResult                    futureResult;
+    XrCameraCaptureSessionBD    captureSession;
+} XrCreateCameraCaptureSessionCompletionBD;
+
+// XrCameraIntrinsicsBD extends XrCameraImageDataBaseHeaderBD
+typedef struct XrCameraIntrinsicsBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrVector2f            focalLength;
+    XrVector2f            principalPoint;
+    XrVector2f            fov;
+} XrCameraIntrinsicsBD;
+
+// XrCameraExtrinsicsBD extends XrCameraImageDataBaseHeaderBD
+typedef struct XrCameraExtrinsicsBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrPosef               pose;
+} XrCameraExtrinsicsBD;
+
+typedef struct XrCameraCaptureBeginInfoBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrCameraCaptureBeginInfoBD;
+
+typedef struct XrCameraImageAcquireInfoBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrTime                      lastCaptureTime;
+} XrCameraImageAcquireInfoBD;
+
+typedef struct XrCameraImageBD {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrBool32                    available;
+    XrTime                      captureTime;
+    XrCameraImageIdBD           imageId;
+} XrCameraImageBD;
+
+typedef struct XR_MAY_ALIAS XrCameraImageDataBaseHeaderBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+} XrCameraImageDataBaseHeaderBD;
+
+typedef struct XrCameraImageDataRawBufferBD {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              width;
+    uint32_t              height;
+    uint32_t              stride;
+    uint32_t              bytesPerPixel;
+    uint32_t              pixelStride;
+    uint32_t              bufferSize;
+    uint8_t*              buffer;
+} XrCameraImageDataRawBufferBD;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateAvailableCamerasBD)(XrInstance instance, const XrAvailableCamerasEnumerateInfoBD* enumerateInfo, uint32_t cameraCapacityInput, uint32_t* cameraCountOutput, XrAvailableCameraBD* cameras);
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateCameraPropertyTypesBD)(XrInstance instance, const XrCameraPropertyTypesEnumerateInfoBD* enumerateInfo, XrCameraPropertyTypesBD* propertyTypes);
+typedef XrResult (XRAPI_PTR *PFN_xrGetCameraPropertiesBD)(XrInstance instance, const XrCameraPropertiesGetInfoBD* getInfo, XrCameraPropertiesBD* properties);
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateCameraCapabilityTypesBD)(XrInstance instance, const XrCameraCapabilityTypesEnumerateInfoBD* enumerateInfo, XrCameraCapabilityTypesBD* capabilityTypes);
+typedef XrResult (XRAPI_PTR *PFN_xrGetCameraSupportedCapabilitiesBD)(XrInstance instance, const XrCameraSupportedCapabilitiesGetInfoBD* getInfo, XrCameraSupportedCapabilitiesBD* capabilities);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateCameraDeviceAsyncBD)(XrInstance instance, const XrCameraDeviceCreateInfoBD* createInfo, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateCameraDeviceCompleteBD)(XrInstance instance, XrFutureEXT future, XrCreateCameraDeviceCompletionBD* completion);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyCameraDeviceBD)(XrCameraDeviceBD device);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateCameraCaptureSessionAsyncBD)(XrSession session, const XrCameraCaptureSessionCreateInfoBD* createInfo, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateCameraCaptureSessionCompleteBD)(XrSession session, XrFutureEXT future, XrCreateCameraCaptureSessionCompletionBD* completion);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyCameraCaptureSessionBD)(XrCameraCaptureSessionBD captureSession);
+typedef XrResult (XRAPI_PTR *PFN_xrBeginCameraCaptureBD)(XrCameraCaptureSessionBD captureSession, const XrCameraCaptureBeginInfoBD* beginInfo);
+typedef XrResult (XRAPI_PTR *PFN_xrEndCameraCaptureBD)(XrCameraCaptureSessionBD captureSession);
+typedef XrResult (XRAPI_PTR *PFN_xrAcquireCameraImageBD)(XrCameraCaptureSessionBD captureSession, const XrCameraImageAcquireInfoBD* acquireInfo, XrCameraImageBD* image);
+typedef XrResult (XRAPI_PTR *PFN_xrGetCameraImageDataBD)(XrCameraCaptureSessionBD captureSession, XrCameraImageIdBD imageId, XrCameraImageDataBaseHeaderBD* imageData);
+typedef XrResult (XRAPI_PTR *PFN_xrReleaseCameraImageBD)(XrCameraCaptureSessionBD captureSession, XrCameraImageIdBD imageId);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateAvailableCamerasBD(
+    XrInstance                                  instance,
+    const XrAvailableCamerasEnumerateInfoBD*    enumerateInfo,
+    uint32_t                                    cameraCapacityInput,
+    uint32_t*                                   cameraCountOutput,
+    XrAvailableCameraBD*                        cameras);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateCameraPropertyTypesBD(
+    XrInstance                                  instance,
+    const XrCameraPropertyTypesEnumerateInfoBD* enumerateInfo,
+    XrCameraPropertyTypesBD*                    propertyTypes);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetCameraPropertiesBD(
+    XrInstance                                  instance,
+    const XrCameraPropertiesGetInfoBD*          getInfo,
+    XrCameraPropertiesBD*                       properties);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateCameraCapabilityTypesBD(
+    XrInstance                                  instance,
+    const XrCameraCapabilityTypesEnumerateInfoBD* enumerateInfo,
+    XrCameraCapabilityTypesBD*                  capabilityTypes);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetCameraSupportedCapabilitiesBD(
+    XrInstance                                  instance,
+    const XrCameraSupportedCapabilitiesGetInfoBD* getInfo,
+    XrCameraSupportedCapabilitiesBD*            capabilities);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateCameraDeviceAsyncBD(
+    XrInstance                                  instance,
+    const XrCameraDeviceCreateInfoBD*           createInfo,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateCameraDeviceCompleteBD(
+    XrInstance                                  instance,
+    XrFutureEXT                                 future,
+    XrCreateCameraDeviceCompletionBD*           completion);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyCameraDeviceBD(
+    XrCameraDeviceBD                            device);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateCameraCaptureSessionAsyncBD(
+    XrSession                                   session,
+    const XrCameraCaptureSessionCreateInfoBD*   createInfo,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateCameraCaptureSessionCompleteBD(
+    XrSession                                   session,
+    XrFutureEXT                                 future,
+    XrCreateCameraCaptureSessionCompletionBD*   completion);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyCameraCaptureSessionBD(
+    XrCameraCaptureSessionBD                    captureSession);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrBeginCameraCaptureBD(
+    XrCameraCaptureSessionBD                    captureSession,
+    const XrCameraCaptureBeginInfoBD*           beginInfo);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEndCameraCaptureBD(
+    XrCameraCaptureSessionBD                    captureSession);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrAcquireCameraImageBD(
+    XrCameraCaptureSessionBD                    captureSession,
+    const XrCameraImageAcquireInfoBD*           acquireInfo,
+    XrCameraImageBD*                            image);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetCameraImageDataBD(
+    XrCameraCaptureSessionBD                    captureSession,
+    XrCameraImageIdBD                           imageId,
+    XrCameraImageDataBaseHeaderBD*              imageData);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrReleaseCameraImageBD(
+    XrCameraCaptureSessionBD                    captureSession,
+    XrCameraImageIdBD                           imageId);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ANDROID_spatial_discovery_bounds is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_spatial_discovery_bounds 1
+#define XR_ANDROID_spatial_discovery_bounds_SPEC_VERSION 1
+#define XR_ANDROID_SPATIAL_DISCOVERY_BOUNDS_EXTENSION_NAME "XR_ANDROID_spatial_discovery_bounds"
+// XrSpatialBoundsSpherefANDROID extends XrSpatialDiscoverySnapshotCreateInfoEXT
+typedef struct XrSpatialBoundsSpherefANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     space;
+    XrTime                      time;
+    XrSpheref                   sphere;
+} XrSpatialBoundsSpherefANDROID;
+
+// XrSpatialBoundsBoxfANDROID extends XrSpatialDiscoverySnapshotCreateInfoEXT
+typedef struct XrSpatialBoundsBoxfANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     space;
+    XrTime                      time;
+    XrBoxf                      box;
+} XrSpatialBoundsBoxfANDROID;
+
+// XrSpatialBoundsFrustumfANDROID extends XrSpatialDiscoverySnapshotCreateInfoEXT
+typedef struct XrSpatialBoundsFrustumfANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     space;
+    XrTime                      time;
+    XrFrustumf                  frustum;
+} XrSpatialBoundsFrustumfANDROID;
+
+
+
+// XR_EXT_spatial_anchor is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_spatial_anchor 1
+#define XR_EXT_spatial_anchor_SPEC_VERSION 1
+#define XR_EXT_SPATIAL_ANCHOR_EXTENSION_NAME "XR_EXT_spatial_anchor"
+typedef struct XrSpatialCapabilityConfigurationAnchorEXT {
+    XrStructureType                     type;
+    const void* XR_MAY_ALIAS            next;
+    XrSpatialCapabilityEXT              capability;
+    uint32_t                            enabledComponentCount;
+    const XrSpatialComponentTypeEXT*    enabledComponents;
+} XrSpatialCapabilityConfigurationAnchorEXT;
+
+// XrSpatialComponentAnchorListEXT extends XrSpatialComponentDataQueryResultEXT
+typedef struct XrSpatialComponentAnchorListEXT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              locationCount;
+    XrPosef*              locations;
+} XrSpatialComponentAnchorListEXT;
+
+typedef struct XrSpatialAnchorCreateInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     baseSpace;
+    XrTime                      time;
+    XrPosef                     pose;
+} XrSpatialAnchorCreateInfoEXT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialAnchorEXT)(XrSpatialContextEXT spatialContext, const XrSpatialAnchorCreateInfoEXT* createInfo, XrSpatialEntityIdEXT* anchorEntityId, XrSpatialEntityEXT* anchorEntity);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialAnchorEXT(
+    XrSpatialContextEXT                         spatialContext,
+    const XrSpatialAnchorCreateInfoEXT*         createInfo,
+    XrSpatialEntityIdEXT*                       anchorEntityId,
+    XrSpatialEntityEXT*                         anchorEntity);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_EXT_spatial_persistence is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_spatial_persistence 1
+XR_DEFINE_HANDLE(XrSpatialPersistenceContextEXT)
+#define XR_EXT_spatial_persistence_SPEC_VERSION 1
+#define XR_EXT_SPATIAL_PERSISTENCE_EXTENSION_NAME "XR_EXT_spatial_persistence"
+
+typedef enum XrSpatialPersistenceScopeEXT {
+    XR_SPATIAL_PERSISTENCE_SCOPE_SYSTEM_MANAGED_EXT = 1,
+    XR_SPATIAL_PERSISTENCE_SCOPE_LOCAL_ANCHORS_EXT = 1000781000,
+    XR_SPATIAL_PERSISTENCE_SCOPE_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrSpatialPersistenceScopeEXT;
+
+typedef enum XrSpatialPersistenceContextResultEXT {
+    XR_SPATIAL_PERSISTENCE_CONTEXT_RESULT_SUCCESS_EXT = 0,
+    XR_SPATIAL_PERSISTENCE_CONTEXT_RESULT_ENTITY_NOT_TRACKING_EXT = -1000781001,
+    XR_SPATIAL_PERSISTENCE_CONTEXT_RESULT_PERSIST_UUID_NOT_FOUND_EXT = -1000781002,
+    XR_SPATIAL_PERSISTENCE_CONTEXT_RESULT_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrSpatialPersistenceContextResultEXT;
+
+typedef enum XrSpatialPersistenceStateEXT {
+    XR_SPATIAL_PERSISTENCE_STATE_LOADED_EXT = 1,
+    XR_SPATIAL_PERSISTENCE_STATE_NOT_FOUND_EXT = 2,
+    XR_SPATIAL_PERSISTENCE_STATE_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrSpatialPersistenceStateEXT;
+typedef struct XrSpatialPersistenceContextCreateInfoEXT {
+    XrStructureType                 type;
+    const void* XR_MAY_ALIAS        next;
+    XrSpatialPersistenceScopeEXT    scope;
+} XrSpatialPersistenceContextCreateInfoEXT;
+
+typedef struct XrCreateSpatialPersistenceContextCompletionEXT {
+    XrStructureType                         type;
+    void* XR_MAY_ALIAS                      next;
+    XrResult                                futureResult;
+    XrSpatialPersistenceContextResultEXT    createResult;
+    XrSpatialPersistenceContextEXT          persistenceContext;
+} XrCreateSpatialPersistenceContextCompletionEXT;
+
+// XrSpatialContextPersistenceConfigEXT extends XrSpatialContextCreateInfoEXT
+typedef struct XrSpatialContextPersistenceConfigEXT {
+    XrStructureType                          type;
+    const void* XR_MAY_ALIAS                 next;
+    uint32_t                                 persistenceContextCount;
+    const XrSpatialPersistenceContextEXT*    persistenceContexts;
+} XrSpatialContextPersistenceConfigEXT;
+
+// XrSpatialDiscoveryPersistenceUuidFilterEXT extends XrSpatialDiscoverySnapshotCreateInfoEXT,XrSpatialComponentDataQueryConditionEXT
+typedef struct XrSpatialDiscoveryPersistenceUuidFilterEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    persistedUuidCount;
+    const XrUuid*               persistedUuids;
+} XrSpatialDiscoveryPersistenceUuidFilterEXT;
+
+typedef struct XrSpatialPersistenceDataEXT {
+    XrUuid                          persistUuid;
+    XrSpatialPersistenceStateEXT    persistState;
+} XrSpatialPersistenceDataEXT;
+
+// XrSpatialComponentPersistenceListEXT extends XrSpatialComponentDataQueryResultEXT
+typedef struct XrSpatialComponentPersistenceListEXT {
+    XrStructureType                 type;
+    void* XR_MAY_ALIAS              next;
+    uint32_t                        persistDataCount;
+    XrSpatialPersistenceDataEXT*    persistData;
+} XrSpatialComponentPersistenceListEXT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateSpatialPersistenceScopesEXT)(XrInstance instance, XrSystemId systemId, uint32_t persistenceScopeCapacityInput, uint32_t* persistenceScopeCountOutput, XrSpatialPersistenceScopeEXT* persistenceScopes);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialPersistenceContextAsyncEXT)(XrSession session, const XrSpatialPersistenceContextCreateInfoEXT* createInfo, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialPersistenceContextCompleteEXT)(XrSession session, XrFutureEXT future, XrCreateSpatialPersistenceContextCompletionEXT* completion);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroySpatialPersistenceContextEXT)(XrSpatialPersistenceContextEXT persistenceContext);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateSpatialPersistenceScopesEXT(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    uint32_t                                    persistenceScopeCapacityInput,
+    uint32_t*                                   persistenceScopeCountOutput,
+    XrSpatialPersistenceScopeEXT*               persistenceScopes);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialPersistenceContextAsyncEXT(
+    XrSession                                   session,
+    const XrSpatialPersistenceContextCreateInfoEXT* createInfo,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialPersistenceContextCompleteEXT(
+    XrSession                                   session,
+    XrFutureEXT                                 future,
+    XrCreateSpatialPersistenceContextCompletionEXT* completion);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroySpatialPersistenceContextEXT(
+    XrSpatialPersistenceContextEXT              persistenceContext);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_EXT_haptic_parametric is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_haptic_parametric 1
+
+#define XR_HAPTIC_PARAMETRIC_MAX_POINTS_TRANSIENTS_EXT 500
+
+
+#define XR_HAPTIC_PARAMETRIC_VIBRATION_EXTEND_DURATION_EXT 50000000
+
+
+#define XR_HAPTIC_PARAMETRIC_FREQUENCY_MIN_HZ_EXT 1
+
+
+#define XR_HAPTIC_PARAMETRIC_FREQUENCY_MAX_HZ_EXT 1000
+
+#define XR_EXT_haptic_parametric_SPEC_VERSION 1
+#define XR_EXT_HAPTIC_PARAMETRIC_EXTENSION_NAME "XR_EXT_haptic_parametric"
+
+typedef enum XrHapticParametricStreamFrameTypeEXT {
+    XR_HAPTIC_PARAMETRIC_STREAM_FRAME_TYPE_NONE_EXT = 0,
+    XR_HAPTIC_PARAMETRIC_STREAM_FRAME_TYPE_FIRST_FRAME_EXT = 1,
+    XR_HAPTIC_PARAMETRIC_STREAM_FRAME_TYPE_INTERMEDIATE_FRAME_EXT = 2,
+    XR_HAPTIC_PARAMETRIC_STREAM_FRAME_TYPE_LAST_FRAME_EXT = 3,
+    XR_HAPTIC_PARAMETRIC_STREAM_FRAME_TYPE_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrHapticParametricStreamFrameTypeEXT;
+typedef struct XrHapticParametricPropertiesEXT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrDuration            idealFrameSubmissionRate;
+    XrDuration            minimumFirstFrameDuration;
+    float                 minFrequencyHz;
+    float                 maxFrequencyHz;
+} XrHapticParametricPropertiesEXT;
+
+typedef struct XrHapticParametricPointEXT {
+    XrDuration    time;
+    float         value;
+} XrHapticParametricPointEXT;
+
+typedef struct XrHapticParametricTransientEXT {
+    XrDuration    time;
+    float         amplitude;
+    float         frequency;
+} XrHapticParametricTransientEXT;
+
+typedef struct XrHapticParametricVibrationEXT {
+    XrStructureType                          type;
+    const void* XR_MAY_ALIAS                 next;
+    uint32_t                                 amplitudePointCount;
+    const XrHapticParametricPointEXT*        amplitudePoints;
+    uint32_t                                 frequencyPointCount;
+    const XrHapticParametricPointEXT*        frequencyPoints;
+    uint32_t                                 transientCount;
+    const XrHapticParametricTransientEXT*    transients;
+    float                                    minFrequencyHz;
+    float                                    maxFrequencyHz;
+    XrHapticParametricStreamFrameTypeEXT     streamFrameType;
+} XrHapticParametricVibrationEXT;
+
+// XrSystemHapticParametricPropertiesEXT extends XrSystemProperties
+typedef struct XrSystemHapticParametricPropertiesEXT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsParametricHaptics;
+} XrSystemHapticParametricPropertiesEXT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrHapticParametricGetPropertiesEXT)(XrSession session, const XrHapticActionInfo* hapticActionInfo, XrHapticParametricPropertiesEXT* parametricProperties);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrHapticParametricGetPropertiesEXT(
+    XrSession                                   session,
+    const XrHapticActionInfo*                   hapticActionInfo,
+    XrHapticParametricPropertiesEXT*            parametricProperties);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_SONY_swapchain_color_space is a preprocessor guard. Do not pass it to API calls.
+#define XR_SONY_swapchain_color_space 1
+#define XR_SONY_swapchain_color_space_SPEC_VERSION 1
+#define XR_SONY_SWAPCHAIN_COLOR_SPACE_EXTENSION_NAME "XR_SONY_swapchain_color_space"
+
+typedef enum XrColorSpaceSONY {
+    XR_COLOR_SPACE_SRGB_NONLINEAR_SONY = 0,
+    XR_COLOR_SPACE_DISPLAY_P3_LINEAR_SONY = 1,
+    XR_COLOR_SPACE_DISPLAY_P3_NONLINEAR_SONY = 2,
+    XR_COLOR_SPACE_DCI_P3_LINEAR_SONY = 3,
+    XR_COLOR_SPACE_DCI_P3_NONLINEAR_SONY = 4,
+    XR_COLOR_SPACE_EXTENDED_SRGB_LINEAR_SONY = 5,
+    XR_COLOR_SPACE_BT709_LINEAR_SONY = 6,
+    XR_COLOR_SPACE_BT709_NONLINEAR_SONY = 7,
+    XR_COLOR_SPACE_BT2020_LINEAR_SONY = 8,
+    XR_COLOR_SPACE_BT2020_PQ_SONY = 9,
+    XR_COLOR_SPACE_BT2020_HLG_SONY = 10,
+    XR_COLOR_SPACE_MAX_ENUM_SONY = 0x7FFFFFFF
+} XrColorSpaceSONY;
+typedef struct XrColorSpacesEnumerateInfoSONY {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    int64_t                     format;
+} XrColorSpacesEnumerateInfoSONY;
+
+// XrSwapchainCreateInfoColorSpaceSONY extends XrSwapchainCreateInfo
+typedef struct XrSwapchainCreateInfoColorSpaceSONY {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrColorSpaceSONY            colorSpace;
+} XrSwapchainCreateInfoColorSpaceSONY;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateColorSpacesSONY)(XrSession session, const XrColorSpacesEnumerateInfoSONY* enumerateInfo, uint32_t colorSpaceCapacityInput, uint32_t* colorSpaceCountOutput, XrColorSpaceSONY* colorSpaces);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateColorSpacesSONY(
+    XrSession                                   session,
+    const XrColorSpacesEnumerateInfoSONY*       enumerateInfo,
+    uint32_t                                    colorSpaceCapacityInput,
+    uint32_t*                                   colorSpaceCountOutput,
+    XrColorSpaceSONY*                           colorSpaces);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_SONY_hdr_metadata is a preprocessor guard. Do not pass it to API calls.
+#define XR_SONY_hdr_metadata 1
+#define XR_SONY_hdr_metadata_SPEC_VERSION 1
+#define XR_SONY_HDR_METADATA_EXTENSION_NAME "XR_SONY_hdr_metadata"
+typedef struct XrXYColorSONY {
+    float    x;
+    float    y;
+} XrXYColorSONY;
+
+typedef struct XrHdrMetadataSONY {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrXYColorSONY               displayPrimaryRed;
+    XrXYColorSONY               displayPrimaryGreen;
+    XrXYColorSONY               displayPrimaryBlue;
+    XrXYColorSONY               whitePoint;
+    float                       maxLuminance;
+    float                       minLuminance;
+    float                       maxContentLightLevel;
+    float                       maxFrameAverageLightLevel;
+} XrHdrMetadataSONY;
+
+typedef XrResult (XRAPI_PTR *PFN_xrSetHdrMetadataSONY)(XrSwapchain swapchain, const XrHdrMetadataSONY* hdrMetadata);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrSetHdrMetadataSONY(
+    XrSwapchain                                 swapchain,
+    const XrHdrMetadataSONY*                    hdrMetadata);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_EXT_spatial_persistence_operations is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_spatial_persistence_operations 1
+#define XR_EXT_spatial_persistence_operations_SPEC_VERSION 1
+#define XR_EXT_SPATIAL_PERSISTENCE_OPERATIONS_EXTENSION_NAME "XR_EXT_spatial_persistence_operations"
+typedef struct XrSpatialEntityPersistInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpatialContextEXT         spatialContext;
+    XrSpatialEntityIdEXT        spatialEntityId;
+} XrSpatialEntityPersistInfoEXT;
+
+typedef struct XrPersistSpatialEntityCompletionEXT {
+    XrStructureType                         type;
+    void* XR_MAY_ALIAS                      next;
+    XrResult                                futureResult;
+    XrSpatialPersistenceContextResultEXT    persistResult;
+    XrUuid                                  persistUuid;
+} XrPersistSpatialEntityCompletionEXT;
+
+typedef struct XrSpatialEntityUnpersistInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrUuid                      persistUuid;
+} XrSpatialEntityUnpersistInfoEXT;
+
+typedef struct XrUnpersistSpatialEntityCompletionEXT {
+    XrStructureType                         type;
+    void* XR_MAY_ALIAS                      next;
+    XrResult                                futureResult;
+    XrSpatialPersistenceContextResultEXT    unpersistResult;
+} XrUnpersistSpatialEntityCompletionEXT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrPersistSpatialEntityAsyncEXT)(XrSpatialPersistenceContextEXT persistenceContext, const XrSpatialEntityPersistInfoEXT* persistInfo, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrPersistSpatialEntityCompleteEXT)(XrSpatialPersistenceContextEXT persistenceContext, XrFutureEXT future, XrPersistSpatialEntityCompletionEXT* completion);
+typedef XrResult (XRAPI_PTR *PFN_xrUnpersistSpatialEntityAsyncEXT)(XrSpatialPersistenceContextEXT persistenceContext, const XrSpatialEntityUnpersistInfoEXT* unpersistInfo, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrUnpersistSpatialEntityCompleteEXT)(XrSpatialPersistenceContextEXT persistenceContext, XrFutureEXT future, XrUnpersistSpatialEntityCompletionEXT* completion);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrPersistSpatialEntityAsyncEXT(
+    XrSpatialPersistenceContextEXT              persistenceContext,
+    const XrSpatialEntityPersistInfoEXT*        persistInfo,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrPersistSpatialEntityCompleteEXT(
+    XrSpatialPersistenceContextEXT              persistenceContext,
+    XrFutureEXT                                 future,
+    XrPersistSpatialEntityCompletionEXT*        completion);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrUnpersistSpatialEntityAsyncEXT(
+    XrSpatialPersistenceContextEXT              persistenceContext,
+    const XrSpatialEntityUnpersistInfoEXT*      unpersistInfo,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrUnpersistSpatialEntityCompleteEXT(
+    XrSpatialPersistenceContextEXT              persistenceContext,
+    XrFutureEXT                                 future,
+    XrUnpersistSpatialEntityCompletionEXT*      completion);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_EXT_spatial_image_tracking is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_spatial_image_tracking 1
+XR_DEFINE_HANDLE(XrSpatialImageTrackingDatabaseEXT)
+#define XR_EXT_spatial_image_tracking_SPEC_VERSION 1
+#define XR_EXT_SPATIAL_IMAGE_TRACKING_EXTENSION_NAME "XR_EXT_spatial_image_tracking"
+
+typedef enum XrSpatialReferenceImageFormatEXT {
+    XR_SPATIAL_REFERENCE_IMAGE_FORMAT_RGBA_8888_EXT = 1,
+    XR_SPATIAL_REFERENCE_IMAGE_FORMAT_RGB_888_EXT = 2,
+    XR_SPATIAL_REFERENCE_IMAGE_FORMAT_YUV_420_888_EXT = 3,
+    XR_SPATIAL_REFERENCE_IMAGE_FORMAT_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrSpatialReferenceImageFormatEXT;
+typedef struct XrSpatialReferenceImagePlaneEXT {
+    uint32_t          bufferSize;
+    const uint8_t*    buffer;
+    uint32_t          rowStride;
+    uint32_t          pixelStride;
+} XrSpatialReferenceImagePlaneEXT;
+
+typedef struct XrSpatialReferenceImageEXT {
+    XrStructureType                           type;
+    const void* XR_MAY_ALIAS                  next;
+    uint32_t                                  width;
+    uint32_t                                  height;
+    XrSpatialReferenceImageFormatEXT          format;
+    uint32_t                                  planeCount;
+    const XrSpatialReferenceImagePlaneEXT*    planes;
+} XrSpatialReferenceImageEXT;
+
+// XrSpatialImageStaticOptimizationEXT extends XrSpatialReferenceImageEXT,XrSpatialImageTrackingDatabaseCreateInfoEXT
+typedef struct XrSpatialImageStaticOptimizationEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrBool32                    optimizeForStaticImage;
+} XrSpatialImageStaticOptimizationEXT;
+
+// XrSpatialImageSizeEXT extends XrSpatialReferenceImageEXT,XrSpatialImageTrackingDatabaseCreateInfoEXT
+typedef struct XrSpatialImageSizeEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    float                       physicalWidth;
+} XrSpatialImageSizeEXT;
+
+typedef struct XrSpatialCapabilityConfigurationImageTrackingEXT {
+    XrStructureType                             type;
+    const void* XR_MAY_ALIAS                    next;
+    XrSpatialCapabilityEXT                      capability;
+    uint32_t                                    enabledComponentCount;
+    const XrSpatialComponentTypeEXT*            enabledComponents;
+    uint32_t                                    imageTrackingDatabaseCount;
+    const XrSpatialImageTrackingDatabaseEXT*    imageTrackingDatabases;
+} XrSpatialCapabilityConfigurationImageTrackingEXT;
+
+typedef struct XrSpatialImageTrackingDatabaseCreateInfoEXT {
+    XrStructureType                      type;
+    const void* XR_MAY_ALIAS             next;
+    uint32_t                             spatialReferenceImageCount;
+    const XrSpatialReferenceImageEXT*    spatialReferenceImages;
+} XrSpatialImageTrackingDatabaseCreateInfoEXT;
+
+typedef struct XrSpatialImage2DDataEXT {
+    XrSpatialImageTrackingDatabaseEXT    imageTrackingDatabase;
+    uint32_t                             referenceImageIndex;
+} XrSpatialImage2DDataEXT;
+
+// XrSpatialComponentImage2DListEXT extends XrSpatialComponentDataQueryResultEXT
+typedef struct XrSpatialComponentImage2DListEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    imageCount;
+    XrSpatialImage2DDataEXT*    images;
+} XrSpatialComponentImage2DListEXT;
+
+typedef struct XrCreateSpatialImageTrackingDatabaseCompletionEXT {
+    XrStructureType                      type;
+    void* XR_MAY_ALIAS                   next;
+    XrResult                             futureResult;
+    XrSpatialImageTrackingDatabaseEXT    database;
+} XrCreateSpatialImageTrackingDatabaseCompletionEXT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateSpatialReferenceImageFormatsEXT)(XrInstance instance, XrSystemId systemId, XrSpatialCapabilityEXT capability, uint32_t formatCapacityInput, uint32_t* formatCountOutput, XrSpatialReferenceImageFormatEXT* formats);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialImageTrackingDatabaseAsyncEXT)(XrSession session, const XrSpatialImageTrackingDatabaseCreateInfoEXT* createInfo, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialImageTrackingDatabaseCompleteEXT)(XrSession session, XrFutureEXT future, XrCreateSpatialImageTrackingDatabaseCompletionEXT* completion);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroySpatialImageTrackingDatabaseEXT)(XrSpatialImageTrackingDatabaseEXT database);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateSpatialReferenceImageFormatsEXT(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    XrSpatialCapabilityEXT                      capability,
+    uint32_t                                    formatCapacityInput,
+    uint32_t*                                   formatCountOutput,
+    XrSpatialReferenceImageFormatEXT*           formats);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialImageTrackingDatabaseAsyncEXT(
+    XrSession                                   session,
+    const XrSpatialImageTrackingDatabaseCreateInfoEXT* createInfo,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialImageTrackingDatabaseCompleteEXT(
+    XrSession                                   session,
+    XrFutureEXT                                 future,
+    XrCreateSpatialImageTrackingDatabaseCompletionEXT* completion);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroySpatialImageTrackingDatabaseEXT(
+    XrSpatialImageTrackingDatabaseEXT           database);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ANDROID_spatial_object_tracking is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_spatial_object_tracking 1
+#define XR_ANDROID_spatial_object_tracking_SPEC_VERSION 2
+#define XR_ANDROID_SPATIAL_OBJECT_TRACKING_EXTENSION_NAME "XR_ANDROID_spatial_object_tracking"
+
+typedef enum XrSpatialObjectSemanticLabelANDROID {
+    XR_SPATIAL_OBJECT_SEMANTIC_LABEL_UNCATEGORIZED_ANDROID = 0,
+    XR_SPATIAL_OBJECT_SEMANTIC_LABEL_KEYBOARD_ANDROID = 1,
+    XR_SPATIAL_OBJECT_SEMANTIC_LABEL_MOUSE_ANDROID = 2,
+    XR_SPATIAL_OBJECT_SEMANTIC_LABEL_LAPTOP_BASE_ANDROID = 3,
+    XR_SPATIAL_OBJECT_SEMANTIC_LABEL_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrSpatialObjectSemanticLabelANDROID;
+typedef struct XrSpatialCapabilityConfigurationObjectTrackingANDROID {
+    XrStructureType                               type;
+    const void* XR_MAY_ALIAS                      next;
+    XrSpatialCapabilityEXT                        capability;
+    uint32_t                                      enabledComponentCount;
+    const XrSpatialComponentTypeEXT*              enabledComponents;
+    uint32_t                                      activeSemanticLabelCount;
+    const XrSpatialObjectSemanticLabelANDROID*    activeSemanticLabels;
+} XrSpatialCapabilityConfigurationObjectTrackingANDROID;
+
+// XrSpatialComponentObjectSemanticLabelListANDROID extends XrSpatialComponentDataQueryResultEXT
+typedef struct XrSpatialComponentObjectSemanticLabelListANDROID {
+    XrStructureType                         type;
+    void* XR_MAY_ALIAS                      next;
+    uint32_t                                semanticLabelCount;
+    XrSpatialObjectSemanticLabelANDROID*    semanticLabels;
+} XrSpatialComponentObjectSemanticLabelListANDROID;
+
+
+
+// XR_ANDROID_spatial_discovery_raycast is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_spatial_discovery_raycast 1
+#define XR_ANDROID_spatial_discovery_raycast_SPEC_VERSION 1
+#define XR_ANDROID_SPATIAL_DISCOVERY_RAYCAST_EXTENSION_NAME "XR_ANDROID_spatial_discovery_raycast"
+typedef struct XrSpatialRaycastResultDataANDROID {
+    XrPosef    hitPose;
+    float      distanceSquared;
+} XrSpatialRaycastResultDataANDROID;
+
+typedef struct XrSpatialCapabilityConfigurationDepthRaycastANDROID {
+    XrStructureType                     type;
+    const void* XR_MAY_ALIAS            next;
+    XrSpatialCapabilityEXT              capability;
+    uint32_t                            enabledComponentCount;
+    const XrSpatialComponentTypeEXT*    enabledComponents;
+} XrSpatialCapabilityConfigurationDepthRaycastANDROID;
+
+// XrSpatialRaycastInfoANDROID extends XrSpatialDiscoverySnapshotCreateInfoEXT
+typedef struct XrSpatialRaycastInfoANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     space;
+    XrTime                      time;
+    XrVector3f                  origin;
+    XrVector3f                  direction;
+    float                       maxDistance;
+} XrSpatialRaycastInfoANDROID;
+
+// XrSpatialComponentRaycastResultListANDROID extends XrSpatialComponentDataQueryResultEXT
+typedef struct XrSpatialComponentRaycastResultListANDROID {
+    XrStructureType                       type;
+    void* XR_MAY_ALIAS                    next;
+    uint32_t                              raycastResultCount;
+    XrSpatialRaycastResultDataANDROID*    raycastResults;
+} XrSpatialComponentRaycastResultListANDROID;
+
+typedef struct XrSpatialRaycastSnapshotCreateInfoANDROID {
+    XrStructureType                       type;
+    const void* XR_MAY_ALIAS              next;
+    uint32_t                              componentTypeCount;
+    const XrSpatialComponentTypeEXT*      componentTypes;
+    const XrSpatialRaycastInfoANDROID*    raycastInfo;
+} XrSpatialRaycastSnapshotCreateInfoANDROID;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialRaycastSnapshotANDROID)(XrSpatialContextEXT spatialContext, const XrSpatialRaycastSnapshotCreateInfoANDROID* createInfo, XrSpatialSnapshotEXT* snapshot);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialRaycastSnapshotANDROID(
+    XrSpatialContextEXT                         spatialContext,
+    const XrSpatialRaycastSnapshotCreateInfoANDROID* createInfo,
+    XrSpatialSnapshotEXT*                       snapshot);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ANDROID_google_cloud_auth is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_google_cloud_auth 1
+#define XR_ANDROID_google_cloud_auth_SPEC_VERSION 1
+#define XR_ANDROID_GOOGLE_CLOUD_AUTH_EXTENSION_NAME "XR_ANDROID_google_cloud_auth"
+
+typedef enum XrGoogleCloudAuthErrorANDROID {
+    XR_GOOGLE_CLOUD_AUTH_ERROR_NONE_ANDROID = 0,
+    XR_GOOGLE_CLOUD_AUTH_ERROR_QUOTA_EXCEEDED_ANDROID = -1,
+    XR_GOOGLE_CLOUD_AUTH_ERROR_UNREACHABLE_ANDROID = -2,
+    XR_GOOGLE_CLOUD_AUTH_ERROR_ANDROID = -3,
+    XR_GOOGLE_CLOUD_AUTH_ERROR_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrGoogleCloudAuthErrorANDROID;
+typedef struct XR_MAY_ALIAS XrGoogleCloudAuthInfoBaseHeaderANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrGoogleCloudAuthInfoBaseHeaderANDROID;
+
+typedef struct XrGoogleCloudAuthInfoApiKeyANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    const char*                 apiKey;
+} XrGoogleCloudAuthInfoApiKeyANDROID;
+
+typedef struct XrGoogleCloudAuthInfoTokenANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    const char*                 authToken;
+} XrGoogleCloudAuthInfoTokenANDROID;
+
+typedef struct XrGoogleCloudAuthInfoKeylessANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrGoogleCloudAuthInfoKeylessANDROID;
+
+// XrGoogleCloudAuthErrorResultANDROID extends XrGoogleCloudAuthInfoBaseHeaderANDROID
+typedef struct XrGoogleCloudAuthErrorResultANDROID {
+    XrStructureType                  type;
+    void* XR_MAY_ALIAS               next;
+    XrGoogleCloudAuthErrorANDROID    error;
+} XrGoogleCloudAuthErrorResultANDROID;
+
+typedef XrResult (XRAPI_PTR *PFN_xrSetGoogleCloudAuthAsyncANDROID)(XrSession session, const XrGoogleCloudAuthInfoBaseHeaderANDROID* authInfo, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrSetGoogleCloudAuthCompleteANDROID)(XrSession session, XrFutureEXT future, XrFutureCompletionEXT* completion);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrSetGoogleCloudAuthAsyncANDROID(
+    XrSession                                   session,
+    const XrGoogleCloudAuthInfoBaseHeaderANDROID* authInfo,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrSetGoogleCloudAuthCompleteANDROID(
+    XrSession                                   session,
+    XrFutureEXT                                 future,
+    XrFutureCompletionEXT*                      completion);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ANDROID_geospatial is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_geospatial 1
+XR_DEFINE_HANDLE(XrGeospatialTrackerANDROID)
+#define XR_ANDROID_geospatial_SPEC_VERSION 1
+#define XR_ANDROID_GEOSPATIAL_EXTENSION_NAME "XR_ANDROID_geospatial"
+
+typedef enum XrGeospatialTrackerStateANDROID {
+    XR_GEOSPATIAL_TRACKER_STATE_STOPPED_ANDROID = 0,
+    XR_GEOSPATIAL_TRACKER_STATE_RUNNING_ANDROID = 1,
+    XR_GEOSPATIAL_TRACKER_STATE_INITIALIZATION_FAILED_ANDROID = 2,
+    XR_GEOSPATIAL_TRACKER_STATE_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrGeospatialTrackerStateANDROID;
+
+typedef enum XrVPSAvailabilityANDROID {
+    XR_VPS_AVAILABILITY_UNAVAILABLE_ANDROID = 1,
+    XR_VPS_AVAILABILITY_AVAILABLE_ANDROID = 2,
+    XR_VPSAVAILABILITY_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrVPSAvailabilityANDROID;
+typedef XrFlags64 XrGeospatialPoseFlagsANDROID;
+
+// Flag bits for XrGeospatialPoseFlagsANDROID
+static const XrGeospatialPoseFlagsANDROID XR_GEOSPATIAL_POSE_ORIENTATION_VALID_BIT_ANDROID = 0x00000001;
+static const XrGeospatialPoseFlagsANDROID XR_GEOSPATIAL_POSE_POSITION_VALID_BIT_ANDROID = 0x00000002;
+
+typedef struct XrGeospatialPoseANDROID {
+    XrQuaternionf    eastUpSouthOrientation;
+    double           latitude;
+    double           longitude;
+    double           altitude;
+} XrGeospatialPoseANDROID;
+
+// XrSystemGeospatialPropertiesANDROID extends XrSystemProperties
+typedef struct XrSystemGeospatialPropertiesANDROID {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsGeospatial;
+} XrSystemGeospatialPropertiesANDROID;
+
+typedef struct XrGeospatialTrackerCreateInfoANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrGeospatialTrackerCreateInfoANDROID;
+
+typedef struct XrEventDataGeospatialTrackerStateChangedANDROID {
+    XrStructureType                    type;
+    const void* XR_MAY_ALIAS           next;
+    XrGeospatialTrackerANDROID         geospatialTracker;
+    XrGeospatialTrackerStateANDROID    state;
+    XrResult                           initializationResult;
+    XrTime                             time;
+} XrEventDataGeospatialTrackerStateChangedANDROID;
+
+typedef struct XrGeospatialPoseFromPoseLocateInfoANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     space;
+    XrTime                      time;
+    XrPosef                     pose;
+} XrGeospatialPoseFromPoseLocateInfoANDROID;
+
+typedef struct XrGeospatialPoseResultANDROID {
+    XrStructureType                 type;
+    void* XR_MAY_ALIAS              next;
+    XrGeospatialPoseFlagsANDROID    poseFlags;
+    XrGeospatialPoseANDROID         geospatialPose;
+    double                          horizontalAccuracy;
+    double                          verticalAccuracy;
+    double                          orientationYawAccuracy;
+} XrGeospatialPoseResultANDROID;
+
+typedef struct XrGeospatialPoseLocateInfoANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     space;
+    XrTime                      time;
+    XrGeospatialPoseANDROID     geospatialPose;
+} XrGeospatialPoseLocateInfoANDROID;
+
+typedef struct XrVPSAvailabilityCheckCompletionANDROID {
+    XrStructureType             type;
+    void* XR_MAY_ALIAS          next;
+    XrResult                    futureResult;
+    XrVPSAvailabilityANDROID    availability;
+} XrVPSAvailabilityCheckCompletionANDROID;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateGeospatialTrackerANDROID)(XrSession session, const XrGeospatialTrackerCreateInfoANDROID* createInfo, XrGeospatialTrackerANDROID* geospatialTrackerOutput);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroyGeospatialTrackerANDROID)(XrGeospatialTrackerANDROID geospatialTracker);
+typedef XrResult (XRAPI_PTR *PFN_xrLocateGeospatialPoseFromPoseANDROID)(XrGeospatialTrackerANDROID geospatialTracker, const XrGeospatialPoseFromPoseLocateInfoANDROID* locateInfo, XrGeospatialPoseResultANDROID* geospatialPoseResult);
+typedef XrResult (XRAPI_PTR *PFN_xrLocateGeospatialPoseANDROID)(XrGeospatialTrackerANDROID geospatialTracker, const XrGeospatialPoseLocateInfoANDROID* locateInfo, XrSpaceLocation* location);
+typedef XrResult (XRAPI_PTR *PFN_xrCheckVpsAvailabilityAsyncANDROID)(XrSession session, double latitude, double longitude, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrCheckVpsAvailabilityCompleteANDROID)(XrSession session, XrFutureEXT future, XrVPSAvailabilityCheckCompletionANDROID* completion);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateGeospatialTrackerANDROID(
+    XrSession                                   session,
+    const XrGeospatialTrackerCreateInfoANDROID* createInfo,
+    XrGeospatialTrackerANDROID*                 geospatialTrackerOutput);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroyGeospatialTrackerANDROID(
+    XrGeospatialTrackerANDROID                  geospatialTracker);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrLocateGeospatialPoseFromPoseANDROID(
+    XrGeospatialTrackerANDROID                  geospatialTracker,
+    const XrGeospatialPoseFromPoseLocateInfoANDROID* locateInfo,
+    XrGeospatialPoseResultANDROID*              geospatialPoseResult);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrLocateGeospatialPoseANDROID(
+    XrGeospatialTrackerANDROID                  geospatialTracker,
+    const XrGeospatialPoseLocateInfoANDROID*    locateInfo,
+    XrSpaceLocation*                            location);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCheckVpsAvailabilityAsyncANDROID(
+    XrSession                                   session,
+    double                                      latitude,
+    double                                      longitude,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCheckVpsAvailabilityCompleteANDROID(
+    XrSession                                   session,
+    XrFutureEXT                                 future,
+    XrVPSAvailabilityCheckCompletionANDROID*    completion);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ANDROID_spatial_entity_bound_anchor is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_spatial_entity_bound_anchor 1
+#define XR_ANDROID_spatial_entity_bound_anchor_SPEC_VERSION 2
+#define XR_ANDROID_SPATIAL_ENTITY_BOUND_ANCHOR_EXTENSION_NAME "XR_ANDROID_spatial_entity_bound_anchor"
+// XrSpatialAnchorParentANDROID extends XrSpatialAnchorCreateInfoEXT
+typedef struct XrSpatialAnchorParentANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpatialEntityIdEXT        parentId;
+} XrSpatialAnchorParentANDROID;
+
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateSpatialAnchorAttachableComponentsANDROID)(XrInstance instance, XrSystemId systemId, uint32_t attachableComponentCapacityInput, uint32_t* attachableComponentCountOutput, XrSpatialComponentTypeEXT* attachableComponents);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateSpatialAnchorAttachableComponentsANDROID(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    uint32_t                                    attachableComponentCapacityInput,
+    uint32_t*                                   attachableComponentCountOutput,
+    XrSpatialComponentTypeEXT*                  attachableComponents);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ANDROID_spatial_component_subsumed_by is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_spatial_component_subsumed_by 1
+#define XR_ANDROID_spatial_component_subsumed_by_SPEC_VERSION 1
+#define XR_ANDROID_SPATIAL_COMPONENT_SUBSUMED_BY_EXTENSION_NAME "XR_ANDROID_spatial_component_subsumed_by"
+// XrSpatialDiscoveryUniqueEntitiesFilterANDROID extends XrSpatialDiscoverySnapshotCreateInfoEXT
+typedef struct XrSpatialDiscoveryUniqueEntitiesFilterANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrSpatialDiscoveryUniqueEntitiesFilterANDROID;
+
+// XrSpatialComponentSubsumedByListANDROID extends XrSpatialComponentDataQueryResultEXT
+typedef struct XrSpatialComponentSubsumedByListANDROID {
+    XrStructureType          type;
+    void* XR_MAY_ALIAS       next;
+    uint32_t                 subsumedUniqueIdCount;
+    XrSpatialEntityIdEXT*    subsumedUniqueIds;
+} XrSpatialComponentSubsumedByListANDROID;
+
+
+
+// XR_ANDROID_spatial_anchor_space is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_spatial_anchor_space 1
+#define XR_ANDROID_spatial_anchor_space_SPEC_VERSION 1
+#define XR_ANDROID_SPATIAL_ANCHOR_SPACE_EXTENSION_NAME "XR_ANDROID_spatial_anchor_space"
+typedef struct XrSpatialAnchorSpaceFromIdCreateInfoANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpatialEntityIdEXT        anchorEntityId;
+} XrSpatialAnchorSpaceFromIdCreateInfoANDROID;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialAnchorSpaceANDROID)(XrSession session, XrSpatialContextEXT spatialContext, const XrSpatialAnchorCreateInfoEXT* createInfo, XrSpatialEntityIdEXT* anchorEntityId, XrSpace* anchorSpace);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialAnchorSpaceFromIdANDROID)(XrSession session, XrSpatialContextEXT spatialContext, const XrSpatialAnchorSpaceFromIdCreateInfoANDROID* createInfo, XrSpace* anchorSpace);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialAnchorSpaceANDROID(
+    XrSession                                   session,
+    XrSpatialContextEXT                         spatialContext,
+    const XrSpatialAnchorCreateInfoEXT*         createInfo,
+    XrSpatialEntityIdEXT*                       anchorEntityId,
+    XrSpace*                                    anchorSpace);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialAnchorSpaceFromIdANDROID(
+    XrSession                                   session,
+    XrSpatialContextEXT                         spatialContext,
+    const XrSpatialAnchorSpaceFromIdCreateInfoANDROID* createInfo,
+    XrSpace*                                    anchorSpace);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_ANDROID_geospatial_anchor is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_geospatial_anchor 1
+#define XR_ANDROID_geospatial_anchor_SPEC_VERSION 1
+#define XR_ANDROID_GEOSPATIAL_ANCHOR_EXTENSION_NAME "XR_ANDROID_geospatial_anchor"
+
+typedef enum XrSurfaceAnchorTypeANDROID {
+    XR_SURFACE_ANCHOR_TYPE_TERRAIN_ANDROID = 1,
+    XR_SURFACE_ANCHOR_TYPE_ROOFTOP_ANDROID = 2,
+    XR_SURFACE_ANCHOR_TYPE_MAX_ENUM_ANDROID = 0x7FFFFFFF
+} XrSurfaceAnchorTypeANDROID;
+// XrSystemGeospatialAnchorPropertiesANDROID extends XrSystemProperties
+typedef struct XrSystemGeospatialAnchorPropertiesANDROID {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              maxSurfaceAnchorCount;
+} XrSystemGeospatialAnchorPropertiesANDROID;
+
+// XrGeospatialTrackerAnchorTrackingInfoANDROID extends XrGeospatialTrackerCreateInfoANDROID
+typedef struct XrGeospatialTrackerAnchorTrackingInfoANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrBool32                    shouldTrackPlanes;
+} XrGeospatialTrackerAnchorTrackingInfoANDROID;
+
+typedef struct XrGeospatialAnchorCreateInfoANDROID {
+    XrStructureType               type;
+    const void* XR_MAY_ALIAS      next;
+    XrGeospatialTrackerANDROID    geospatialTracker;
+    XrGeospatialPoseANDROID       geospatialPose;
+} XrGeospatialAnchorCreateInfoANDROID;
+
+typedef struct XrSurfaceAnchorCreateInfoANDROID {
+    XrStructureType               type;
+    const void* XR_MAY_ALIAS      next;
+    XrGeospatialTrackerANDROID    geospatialTracker;
+    XrSurfaceAnchorTypeANDROID    surfaceAnchorType;
+    XrQuaternionf                 eastUpSouthOrientation;
+    double                        latitude;
+    double                        longitude;
+    double                        altitudeRelativeToSurface;
+} XrSurfaceAnchorCreateInfoANDROID;
+
+typedef struct XrSurfaceAnchorCreateCompletionANDROID {
+    XrStructureType         type;
+    void* XR_MAY_ALIAS      next;
+    XrResult                futureResult;
+    XrSpatialEntityIdEXT    anchorEntityId;
+} XrSurfaceAnchorCreateCompletionANDROID;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateGeospatialAnchorANDROID)(XrSpatialContextEXT spatialContext, const XrGeospatialAnchorCreateInfoANDROID* createInfo, XrSpatialEntityIdEXT* anchorEntityId);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSurfaceAnchorAsyncANDROID)(XrSpatialContextEXT spatialContext, const XrSurfaceAnchorCreateInfoANDROID* createInfo, XrFutureEXT* future);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSurfaceAnchorCompleteANDROID)(XrSpatialContextEXT spatialContext, XrFutureEXT future, XrSurfaceAnchorCreateCompletionANDROID* completion);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateGeospatialAnchorANDROID(
+    XrSpatialContextEXT                         spatialContext,
+    const XrGeospatialAnchorCreateInfoANDROID*  createInfo,
+    XrSpatialEntityIdEXT*                       anchorEntityId);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSurfaceAnchorAsyncANDROID(
+    XrSpatialContextEXT                         spatialContext,
+    const XrSurfaceAnchorCreateInfoANDROID*     createInfo,
+    XrFutureEXT*                                future);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSurfaceAnchorCompleteANDROID(
+    XrSpatialContextEXT                         spatialContext,
+    XrFutureEXT                                 future,
+    XrSurfaceAnchorCreateCompletionANDROID*     completion);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_EXT_spatial_container is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_spatial_container 1
+XR_DEFINE_HANDLE(XrSpatialContainerEXT)
+#define XR_EXT_spatial_container_SPEC_VERSION 1
+#define XR_EXT_SPATIAL_CONTAINER_EXTENSION_NAME "XR_EXT_spatial_container"
+
+typedef enum XrSpatialContainerGraphicsPresentationEXT {
+    XR_SPATIAL_CONTAINER_GRAPHICS_PRESENTATION_SELF_RENDERING_EXT = 1000813000,
+    XR_SPATIAL_CONTAINER_GRAPHICS_PRESENTATION_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrSpatialContainerGraphicsPresentationEXT;
+
+typedef enum XrSpatialContainerBoundsModeEXT {
+    XR_SPATIAL_CONTAINER_BOUNDS_MODE_BOUNDED_EXT = 1,
+    XR_SPATIAL_CONTAINER_BOUNDS_MODE_IMMERSIVE_EXT = 2,
+    XR_SPATIAL_CONTAINER_BOUNDS_MODE_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrSpatialContainerBoundsModeEXT;
+
+typedef enum XrSpatialContainerVolumeClippingEXT {
+    XR_SPATIAL_CONTAINER_VOLUME_CLIPPING_NONE_EXT = 0,
+    XR_SPATIAL_CONTAINER_VOLUME_CLIPPING_STRICT_EXT = 1,
+    XR_SPATIAL_CONTAINER_VOLUME_CLIPPING_MAX_ENUM_EXT = 0x7FFFFFFF
+} XrSpatialContainerVolumeClippingEXT;
+// XrSessionCreateInfoSpatialContainersEXT extends XrSessionCreateInfo
+typedef struct XrSessionCreateInfoSpatialContainersEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrSessionCreateInfoSpatialContainersEXT;
+
+typedef struct XrSpatialContainerCreateInfoEXT {
+    XrStructureType                              type;
+    const void* XR_MAY_ALIAS                     next;
+    XrSpatialContainerGraphicsPresentationEXT    graphicsPresentation;
+    XrExtent3Df                                  suggestedBounds;
+} XrSpatialContainerCreateInfoEXT;
+
+typedef struct XrSpatialContainerSpaceCreateInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpatialContainerEXT       spatialContainer;
+} XrSpatialContainerSpaceCreateInfoEXT;
+
+typedef struct XrEventDataSpatialContainerClosedEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpatialContainerEXT       spatialContainer;
+} XrEventDataSpatialContainerClosedEXT;
+
+// XrSystemSpatialContainerPropertiesEXT extends XrSystemProperties
+typedef struct XrSystemSpatialContainerPropertiesEXT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              maxSpatialContainerCount;
+    XrBool32              supportsBounded;
+    XrBool32              supportsImmersive;
+} XrSystemSpatialContainerPropertiesEXT;
+
+typedef struct XrSpatialContainerBoundsEXT {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrExtent3Df           bounds;
+    XrBool32              infiniteBounds;
+} XrSpatialContainerBoundsEXT;
+
+typedef struct XrEventDataSpatialContainerBoundsChangedEXT {
+    XrStructureType                    type;
+    const void* XR_MAY_ALIAS           next;
+    XrSpatialContainerEXT              spatialContainer;
+    XrExtent3Df                        bounds;
+    XrBool32                           infiniteBounds;
+    XrSpatialContainerBoundsModeEXT    boundsMode;
+} XrEventDataSpatialContainerBoundsChangedEXT;
+
+typedef struct XrSpatialContainerBoundsGetInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrSpatialContainerBoundsGetInfoEXT;
+
+typedef struct XrSpatialContainerStateGetInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+} XrSpatialContainerStateGetInfoEXT;
+
+typedef struct XrSpatialContainerVisibleRequestInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrBool32                    visible;
+} XrSpatialContainerVisibleRequestInfoEXT;
+
+typedef struct XrEventDataSpatialContainerVisibleChangedEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpatialContainerEXT       spatialContainer;
+    XrBool32                    visible;
+} XrEventDataSpatialContainerVisibleChangedEXT;
+
+typedef struct XrEventDataSpatialContainerVisibleRequestDeniedEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpatialContainerEXT       spatialContainer;
+} XrEventDataSpatialContainerVisibleRequestDeniedEXT;
+
+typedef struct XrEventDataSpatialContainerInteractableChangedEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpatialContainerEXT       spatialContainer;
+    XrBool32                    interactable;
+} XrEventDataSpatialContainerInteractableChangedEXT;
+
+typedef struct XrSpatialContainerBoundsModeRequestInfoEXT {
+    XrStructureType                    type;
+    const void* XR_MAY_ALIAS           next;
+    XrSpatialContainerBoundsModeEXT    boundsMode;
+} XrSpatialContainerBoundsModeRequestInfoEXT;
+
+typedef struct XrEventDataSpatialContainerBoundsModeRequestDeniedEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpatialContainerEXT       spatialContainer;
+} XrEventDataSpatialContainerBoundsModeRequestDeniedEXT;
+
+typedef struct XrSpatialContainerStateEXT {
+    XrStructureType                    type;
+    void* XR_MAY_ALIAS                 next;
+    XrBool32                           visible;
+    XrBool32                           interactable;
+    XrSpatialContainerBoundsModeEXT    boundsMode;
+} XrSpatialContainerStateEXT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialContainerEXT)(XrSession session, const XrSpatialContainerCreateInfoEXT* createInfo, XrSpatialContainerEXT* spatialContainer);
+typedef XrResult (XRAPI_PTR *PFN_xrDestroySpatialContainerEXT)(XrSpatialContainerEXT spatialContainer);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialContainerSpaceEXT)(XrSession session, const XrSpatialContainerSpaceCreateInfoEXT* createInfo, XrSpace* space);
+typedef XrResult (XRAPI_PTR *PFN_xrRequestSpatialContainerVisibleEXT)(XrSpatialContainerEXT spatialContainer, const XrSpatialContainerVisibleRequestInfoEXT* info);
+typedef XrResult (XRAPI_PTR *PFN_xrRequestSpatialContainerBoundsModeEXT)(XrSpatialContainerEXT spatialContainer, const XrSpatialContainerBoundsModeRequestInfoEXT* info);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpatialContainerBoundsEXT)(XrSpatialContainerEXT spatialContainer, const XrSpatialContainerBoundsGetInfoEXT* getInfo, XrSpatialContainerBoundsEXT* bounds);
+typedef XrResult (XRAPI_PTR *PFN_xrGetSpatialContainerStateEXT)(XrSpatialContainerEXT spatialContainer, const XrSpatialContainerStateGetInfoEXT* getInfo, XrSpatialContainerStateEXT* state);
+typedef XrResult (XRAPI_PTR *PFN_xrEnumerateSupportedSpatialContainerGraphicsPresentationsEXT)(XrInstance instance, XrSystemId systemId, uint32_t graphicsPresentationCapacityInput, uint32_t* graphicsPresentationCountOutput, XrSpatialContainerGraphicsPresentationEXT* graphicsPresentations);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialContainerEXT(
+    XrSession                                   session,
+    const XrSpatialContainerCreateInfoEXT*      createInfo,
+    XrSpatialContainerEXT*                      spatialContainer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrDestroySpatialContainerEXT(
+    XrSpatialContainerEXT                       spatialContainer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialContainerSpaceEXT(
+    XrSession                                   session,
+    const XrSpatialContainerSpaceCreateInfoEXT* createInfo,
+    XrSpace*                                    space);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrRequestSpatialContainerVisibleEXT(
+    XrSpatialContainerEXT                       spatialContainer,
+    const XrSpatialContainerVisibleRequestInfoEXT* info);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrRequestSpatialContainerBoundsModeEXT(
+    XrSpatialContainerEXT                       spatialContainer,
+    const XrSpatialContainerBoundsModeRequestInfoEXT* info);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpatialContainerBoundsEXT(
+    XrSpatialContainerEXT                       spatialContainer,
+    const XrSpatialContainerBoundsGetInfoEXT*   getInfo,
+    XrSpatialContainerBoundsEXT*                bounds);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetSpatialContainerStateEXT(
+    XrSpatialContainerEXT                       spatialContainer,
+    const XrSpatialContainerStateGetInfoEXT*    getInfo,
+    XrSpatialContainerStateEXT*                 state);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEnumerateSupportedSpatialContainerGraphicsPresentationsEXT(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    uint32_t                                    graphicsPresentationCapacityInput,
+    uint32_t*                                   graphicsPresentationCountOutput,
+    XrSpatialContainerGraphicsPresentationEXT*  graphicsPresentations);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_EXT_spatial_container_self_rendering is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_spatial_container_self_rendering 1
+#define XR_EXT_spatial_container_self_rendering_SPEC_VERSION 1
+#define XR_EXT_SPATIAL_CONTAINER_SELF_RENDERING_EXTENSION_NAME "XR_EXT_spatial_container_self_rendering"
+typedef struct XrSpatialContainerViewLocateInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrViewConfigurationType     viewConfigurationType;
+    XrSpace                     space;
+    XrSpatialContainerEXT       spatialContainer;
+} XrSpatialContainerViewLocateInfoEXT;
+
+typedef struct XrSpatialContainerViewsLocateInfoEXT {
+    XrStructureType                               type;
+    const void* XR_MAY_ALIAS                      next;
+    XrTime                                        displayTime;
+    uint32_t                                      viewLocateInfoCount;
+    const XrSpatialContainerViewLocateInfoEXT*    viewLocateInfos;
+} XrSpatialContainerViewsLocateInfoEXT;
+
+typedef struct XrSpatialContainerViewStateEXT {
+    XrStructureType            type;
+    void* XR_MAY_ALIAS         next;
+    XrViewStateFlags           viewStateFlags;
+    XrViewConfigurationType    viewConfigurationType;
+    XrBool32                   shouldSubmitLayers;
+    XrExtent2Di                recommendedImageExtent;
+} XrSpatialContainerViewStateEXT;
+
+typedef struct XrSpatialContainerLayerEXT {
+    XrStructureType                               type;
+    const void* XR_MAY_ALIAS                      next;
+    XrSpatialContainerEXT                         spatialContainer;
+    XrBool32                                      retainPreviousSubmission;
+    uint32_t                                      layerCount;
+    const XrCompositionLayerBaseHeader* const*    layers;
+} XrSpatialContainerLayerEXT;
+
+// XrSpatialContainerLayerFrameEndInfoEXT extends XrFrameEndInfo
+typedef struct XrSpatialContainerLayerFrameEndInfoEXT {
+    XrStructureType                      type;
+    const void* XR_MAY_ALIAS             next;
+    uint32_t                             containerLayerCount;
+    const XrSpatialContainerLayerEXT*    containerLayers;
+} XrSpatialContainerLayerFrameEndInfoEXT;
+
+typedef struct XrSpatialContainerBeginInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpatialContainerEXT       spatialContainer;
+    XrViewConfigurationType     primaryViewConfigurationType;
+} XrSpatialContainerBeginInfoEXT;
+
+typedef struct XrSpatialContainerEndInfoEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpatialContainerEXT       spatialContainer;
+} XrSpatialContainerEndInfoEXT;
+
+// XrSpatialContainerCompositionLayerViewConfigurationEXT extends XrCompositionLayerProjection
+typedef struct XrSpatialContainerCompositionLayerViewConfigurationEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrViewConfigurationType     viewConfigurationType;
+} XrSpatialContainerCompositionLayerViewConfigurationEXT;
+
+// XrSpatialContainerLayerVolumeClippingEXT extends XrSpatialContainerLayerEXT
+typedef struct XrSpatialContainerLayerVolumeClippingEXT {
+    XrStructureType                        type;
+    const void* XR_MAY_ALIAS               next;
+    XrSpatialContainerVolumeClippingEXT    volumeClipping;
+} XrSpatialContainerLayerVolumeClippingEXT;
+
+typedef XrResult (XRAPI_PTR *PFN_xrBeginSpatialContainerRenderingEXT)(XrSession session, const XrSpatialContainerBeginInfoEXT* beginInfo);
+typedef XrResult (XRAPI_PTR *PFN_xrEndSpatialContainerRenderingEXT)(XrSession session, const XrSpatialContainerEndInfoEXT* endInfo);
+typedef XrResult (XRAPI_PTR *PFN_xrLocateSpatialContainerViewsEXT)(XrSession session, const XrSpatialContainerViewsLocateInfoEXT* locateInfo, uint32_t viewStateCount, XrSpatialContainerViewStateEXT* viewStates, uint32_t viewCount, XrView* views);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrBeginSpatialContainerRenderingEXT(
+    XrSession                                   session,
+    const XrSpatialContainerBeginInfoEXT*       beginInfo);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrEndSpatialContainerRenderingEXT(
+    XrSession                                   session,
+    const XrSpatialContainerEndInfoEXT*         endInfo);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrLocateSpatialContainerViewsEXT(
+    XrSession                                   session,
+    const XrSpatialContainerViewsLocateInfoEXT* locateInfo,
+    uint32_t                                    viewStateCount,
+    XrSpatialContainerViewStateEXT*             viewStates,
+    uint32_t                                    viewCount,
+    XrView*                                     views);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+
+
+// XR_EXT_interaction_profile_battery_state_display is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_interaction_profile_battery_state_display 1
+#define XR_EXT_interaction_profile_battery_state_display_SPEC_VERSION 1
+#define XR_EXT_INTERACTION_PROFILE_BATTERY_STATE_DISPLAY_EXTENSION_NAME "XR_EXT_interaction_profile_battery_state_display"
+typedef XrFlags64 XrBatteryStateDisplayStateFlagsEXT;
+
+// Flag bits for XrBatteryStateDisplayStateFlagsEXT
+static const XrBatteryStateDisplayStateFlagsEXT XR_BATTERY_STATE_DISPLAY_STATE_VALID_BIT_EXT = 0x00000001;
+static const XrBatteryStateDisplayStateFlagsEXT XR_BATTERY_STATE_DISPLAY_STATE_CHARGING_BIT_EXT = 0x00000002;
+static const XrBatteryStateDisplayStateFlagsEXT XR_BATTERY_STATE_DISPLAY_STATE_PLUGGED_IN_BIT_EXT = 0x00000004;
+static const XrBatteryStateDisplayStateFlagsEXT XR_BATTERY_STATE_DISPLAY_STATE_NO_BATTERY_BIT_EXT = 0x00000008;
+
+// XrBatteryStateDisplayEXT extends XrInteractionProfileState
+typedef struct XrBatteryStateDisplayEXT {
+    XrStructureType                       type;
+    void* XR_MAY_ALIAS                    next;
+    XrBatteryStateDisplayStateFlagsEXT    stateFlags;
+    float                                 batteryLevel;
+} XrBatteryStateDisplayEXT;
+
+
+
+// XR_EXT_loader_init_properties is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_loader_init_properties 1
+#define XR_EXT_loader_init_properties_SPEC_VERSION 1
+#define XR_EXT_LOADER_INIT_PROPERTIES_EXTENSION_NAME "XR_EXT_loader_init_properties"
+typedef struct XrLoaderInitPropertyValueEXT {
+    const char*    name;
+    const char*    value;
+} XrLoaderInitPropertyValueEXT;
+
+// XrLoaderInitInfoPropertiesEXT extends XrLoaderInitInfoBaseHeaderKHR
+typedef struct XrLoaderInitInfoPropertiesEXT {
+    XrStructureType                        type;
+    const void* XR_MAY_ALIAS               next;
+    uint32_t                               propertyValueCount;
+    const XrLoaderInitPropertyValueEXT*    propertyValues;
+} XrLoaderInitInfoPropertiesEXT;
+
+
+
+// XR_EXT_view_configuration_views_change is a preprocessor guard. Do not pass it to API calls.
+#define XR_EXT_view_configuration_views_change 1
+#define XR_EXT_view_configuration_views_change_SPEC_VERSION 1
+#define XR_EXT_VIEW_CONFIGURATION_VIEWS_CHANGE_EXTENSION_NAME "XR_EXT_view_configuration_views_change"
+typedef struct XrEventDataViewConfigurationViewsChangedEXT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSystemId                  systemId;
+    XrViewConfigurationType     viewConfigurationType;
+} XrEventDataViewConfigurationViewsChangedEXT;
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/frame/openxr-compat/vendor/openxr/openxr_platform.h b/frame/openxr-compat/vendor/openxr/openxr_platform.h
new file mode 100644
index 0000000..9de27ad
--- /dev/null
+++ b/frame/openxr-compat/vendor/openxr/openxr_platform.h
@@ -0,0 +1,819 @@
+#ifndef OPENXR_PLATFORM_H_
+#define OPENXR_PLATFORM_H_ 1
+
+/*
+** Copyright 2017-2026 The Khronos Group Inc.
+**
+** SPDX-License-Identifier: Apache-2.0 OR MIT
+*/
+
+/*
+** This header is generated from the Khronos OpenXR XML API Registry.
+**
+*/
+
+#include "openxr.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#ifdef XR_USE_PLATFORM_ANDROID
+
+// XR_KHR_android_thread_settings is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_android_thread_settings 1
+#define XR_KHR_android_thread_settings_SPEC_VERSION 6
+#define XR_KHR_ANDROID_THREAD_SETTINGS_EXTENSION_NAME "XR_KHR_android_thread_settings"
+
+typedef enum XrAndroidThreadTypeKHR {
+    XR_ANDROID_THREAD_TYPE_APPLICATION_MAIN_KHR = 1,
+    XR_ANDROID_THREAD_TYPE_APPLICATION_WORKER_KHR = 2,
+    XR_ANDROID_THREAD_TYPE_RENDERER_MAIN_KHR = 3,
+    XR_ANDROID_THREAD_TYPE_RENDERER_WORKER_KHR = 4,
+    XR_ANDROID_THREAD_TYPE_MAX_ENUM_KHR = 0x7FFFFFFF
+} XrAndroidThreadTypeKHR;
+typedef XrResult (XRAPI_PTR *PFN_xrSetAndroidApplicationThreadKHR)(XrSession session, XrAndroidThreadTypeKHR threadType, uint32_t threadId);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrSetAndroidApplicationThreadKHR(
+    XrSession                                   session,
+    XrAndroidThreadTypeKHR                      threadType,
+    uint32_t                                    threadId);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+#endif /* XR_USE_PLATFORM_ANDROID */
+
+#ifdef XR_USE_PLATFORM_ANDROID
+
+// XR_KHR_android_surface_swapchain is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_android_surface_swapchain 1
+#define XR_KHR_android_surface_swapchain_SPEC_VERSION 4
+#define XR_KHR_ANDROID_SURFACE_SWAPCHAIN_EXTENSION_NAME "XR_KHR_android_surface_swapchain"
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSwapchainAndroidSurfaceKHR)(XrSession session, const XrSwapchainCreateInfo* info, XrSwapchain* swapchain, jobject* surface);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSwapchainAndroidSurfaceKHR(
+    XrSession                                   session,
+    const XrSwapchainCreateInfo*                info,
+    XrSwapchain*                                swapchain,
+    jobject*                                    surface);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+#endif /* XR_USE_PLATFORM_ANDROID */
+
+#ifdef XR_USE_PLATFORM_ANDROID
+
+// XR_KHR_android_create_instance is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_android_create_instance 1
+#define XR_KHR_android_create_instance_SPEC_VERSION 3
+#define XR_KHR_ANDROID_CREATE_INSTANCE_EXTENSION_NAME "XR_KHR_android_create_instance"
+// XrInstanceCreateInfoAndroidKHR extends XrInstanceCreateInfo
+typedef struct XrInstanceCreateInfoAndroidKHR {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    void* XR_MAY_ALIAS          applicationVM;
+    void* XR_MAY_ALIAS          applicationActivity;
+} XrInstanceCreateInfoAndroidKHR;
+
+#endif /* XR_USE_PLATFORM_ANDROID */
+
+#ifdef XR_USE_GRAPHICS_API_VULKAN
+
+// XR_KHR_vulkan_swapchain_format_list is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_vulkan_swapchain_format_list 1
+#define XR_KHR_vulkan_swapchain_format_list_SPEC_VERSION 5
+#define XR_KHR_VULKAN_SWAPCHAIN_FORMAT_LIST_EXTENSION_NAME "XR_KHR_vulkan_swapchain_format_list"
+// XrVulkanSwapchainFormatListCreateInfoKHR extends XrSwapchainCreateInfo
+typedef struct XrVulkanSwapchainFormatListCreateInfoKHR {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    uint32_t                    viewFormatCount;
+    const VkFormat*             viewFormats;
+} XrVulkanSwapchainFormatListCreateInfoKHR;
+
+#endif /* XR_USE_GRAPHICS_API_VULKAN */
+
+#ifdef XR_USE_GRAPHICS_API_OPENGL
+
+// XR_KHR_opengl_enable is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_opengl_enable 1
+#define XR_KHR_opengl_enable_SPEC_VERSION 12
+#define XR_KHR_OPENGL_ENABLE_EXTENSION_NAME "XR_KHR_opengl_enable"
+#ifdef XR_USE_PLATFORM_WIN32
+// XrGraphicsBindingOpenGLWin32KHR extends XrSessionCreateInfo
+typedef struct XrGraphicsBindingOpenGLWin32KHR {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    HDC                         hDC;
+    HGLRC                       hGLRC;
+} XrGraphicsBindingOpenGLWin32KHR;
+#endif // XR_USE_PLATFORM_WIN32
+
+#ifdef XR_USE_PLATFORM_XLIB
+// XrGraphicsBindingOpenGLXlibKHR extends XrSessionCreateInfo
+typedef struct XrGraphicsBindingOpenGLXlibKHR {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    Display*                    xDisplay;
+    uint32_t                    visualid;
+    GLXFBConfig                 glxFBConfig;
+    GLXDrawable                 glxDrawable;
+    GLXContext                  glxContext;
+} XrGraphicsBindingOpenGLXlibKHR;
+#endif // XR_USE_PLATFORM_XLIB
+
+#ifdef XR_USE_PLATFORM_XCB
+// XrGraphicsBindingOpenGLXcbKHR extends XrSessionCreateInfo
+typedef struct XrGraphicsBindingOpenGLXcbKHR {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    xcb_connection_t*           connection;
+    uint32_t                    screenNumber;
+    xcb_glx_fbconfig_t          fbconfigid;
+    xcb_visualid_t              visualid;
+    xcb_glx_drawable_t          glxDrawable;
+    xcb_glx_context_t           glxContext;
+} XrGraphicsBindingOpenGLXcbKHR;
+#endif // XR_USE_PLATFORM_XCB
+
+#ifdef XR_USE_PLATFORM_WAYLAND
+// XrGraphicsBindingOpenGLWaylandKHR extends XrSessionCreateInfo
+typedef struct XrGraphicsBindingOpenGLWaylandKHR {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    struct wl_display*          display;
+} XrGraphicsBindingOpenGLWaylandKHR;
+#endif // XR_USE_PLATFORM_WAYLAND
+
+typedef struct XrSwapchainImageOpenGLKHR {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              image;
+} XrSwapchainImageOpenGLKHR;
+
+typedef struct XrGraphicsRequirementsOpenGLKHR {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrVersion             minApiVersionSupported;
+    XrVersion             maxApiVersionSupported;
+} XrGraphicsRequirementsOpenGLKHR;
+
+typedef XrResult (XRAPI_PTR *PFN_xrGetOpenGLGraphicsRequirementsKHR)(XrInstance instance, XrSystemId systemId, XrGraphicsRequirementsOpenGLKHR* graphicsRequirements);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetOpenGLGraphicsRequirementsKHR(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    XrGraphicsRequirementsOpenGLKHR*            graphicsRequirements);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+#endif /* XR_USE_GRAPHICS_API_OPENGL */
+
+#ifdef XR_USE_GRAPHICS_API_OPENGL_ES
+
+// XR_KHR_opengl_es_enable is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_opengl_es_enable 1
+#define XR_KHR_opengl_es_enable_SPEC_VERSION 10
+#define XR_KHR_OPENGL_ES_ENABLE_EXTENSION_NAME "XR_KHR_opengl_es_enable"
+#ifdef XR_USE_PLATFORM_ANDROID
+// XrGraphicsBindingOpenGLESAndroidKHR extends XrSessionCreateInfo
+typedef struct XrGraphicsBindingOpenGLESAndroidKHR {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    EGLDisplay                  display;
+    EGLConfig                   config;
+    EGLContext                  context;
+} XrGraphicsBindingOpenGLESAndroidKHR;
+#endif // XR_USE_PLATFORM_ANDROID
+
+typedef struct XrSwapchainImageOpenGLESKHR {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              image;
+} XrSwapchainImageOpenGLESKHR;
+
+typedef struct XrGraphicsRequirementsOpenGLESKHR {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrVersion             minApiVersionSupported;
+    XrVersion             maxApiVersionSupported;
+} XrGraphicsRequirementsOpenGLESKHR;
+
+typedef XrResult (XRAPI_PTR *PFN_xrGetOpenGLESGraphicsRequirementsKHR)(XrInstance instance, XrSystemId systemId, XrGraphicsRequirementsOpenGLESKHR* graphicsRequirements);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetOpenGLESGraphicsRequirementsKHR(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    XrGraphicsRequirementsOpenGLESKHR*          graphicsRequirements);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+#endif /* XR_USE_GRAPHICS_API_OPENGL_ES */
+
+#ifdef XR_USE_GRAPHICS_API_VULKAN
+
+// XR_KHR_vulkan_enable is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_vulkan_enable 1
+#define XR_KHR_vulkan_enable_SPEC_VERSION 10
+#define XR_KHR_VULKAN_ENABLE_EXTENSION_NAME "XR_KHR_vulkan_enable"
+// XrGraphicsBindingVulkanKHR extends XrSessionCreateInfo
+typedef struct XrGraphicsBindingVulkanKHR {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    VkInstance                  instance;
+    VkPhysicalDevice            physicalDevice;
+    VkDevice                    device;
+    uint32_t                    queueFamilyIndex;
+    uint32_t                    queueIndex;
+} XrGraphicsBindingVulkanKHR;
+
+typedef struct XrSwapchainImageVulkanKHR {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    VkImage               image;
+} XrSwapchainImageVulkanKHR;
+
+typedef struct XrGraphicsRequirementsVulkanKHR {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrVersion             minApiVersionSupported;
+    XrVersion             maxApiVersionSupported;
+} XrGraphicsRequirementsVulkanKHR;
+
+typedef XrResult (XRAPI_PTR *PFN_xrGetVulkanInstanceExtensionsKHR)(XrInstance instance, XrSystemId systemId, uint32_t bufferCapacityInput, uint32_t* bufferCountOutput, char* buffer);
+typedef XrResult (XRAPI_PTR *PFN_xrGetVulkanDeviceExtensionsKHR)(XrInstance instance, XrSystemId systemId, uint32_t bufferCapacityInput, uint32_t* bufferCountOutput, char* buffer);
+typedef XrResult (XRAPI_PTR *PFN_xrGetVulkanGraphicsDeviceKHR)(XrInstance instance, XrSystemId systemId, VkInstance vkInstance, VkPhysicalDevice* vkPhysicalDevice);
+typedef XrResult (XRAPI_PTR *PFN_xrGetVulkanGraphicsRequirementsKHR)(XrInstance instance, XrSystemId systemId, XrGraphicsRequirementsVulkanKHR* graphicsRequirements);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetVulkanInstanceExtensionsKHR(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    uint32_t                                    bufferCapacityInput,
+    uint32_t*                                   bufferCountOutput,
+    char*                                       buffer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetVulkanDeviceExtensionsKHR(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    uint32_t                                    bufferCapacityInput,
+    uint32_t*                                   bufferCountOutput,
+    char*                                       buffer);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetVulkanGraphicsDeviceKHR(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    VkInstance                                  vkInstance,
+    VkPhysicalDevice*                           vkPhysicalDevice);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetVulkanGraphicsRequirementsKHR(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    XrGraphicsRequirementsVulkanKHR*            graphicsRequirements);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+#endif /* XR_USE_GRAPHICS_API_VULKAN */
+
+#ifdef XR_USE_GRAPHICS_API_D3D11
+
+// XR_KHR_D3D11_enable is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_D3D11_enable 1
+#define XR_KHR_D3D11_enable_SPEC_VERSION  11
+#define XR_KHR_D3D11_ENABLE_EXTENSION_NAME "XR_KHR_D3D11_enable"
+// XrGraphicsBindingD3D11KHR extends XrSessionCreateInfo
+typedef struct XrGraphicsBindingD3D11KHR {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    ID3D11Device*               device;
+} XrGraphicsBindingD3D11KHR;
+
+typedef struct XrSwapchainImageD3D11KHR {
+     XrStructureType      type;
+    void* XR_MAY_ALIAS    next;
+    ID3D11Texture2D*      texture;
+} XrSwapchainImageD3D11KHR;
+
+typedef struct XrGraphicsRequirementsD3D11KHR {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    LUID                  adapterLuid;
+    D3D_FEATURE_LEVEL     minFeatureLevel;
+} XrGraphicsRequirementsD3D11KHR;
+
+typedef XrResult (XRAPI_PTR *PFN_xrGetD3D11GraphicsRequirementsKHR)(XrInstance instance, XrSystemId systemId, XrGraphicsRequirementsD3D11KHR* graphicsRequirements);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetD3D11GraphicsRequirementsKHR(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    XrGraphicsRequirementsD3D11KHR*             graphicsRequirements);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+#endif /* XR_USE_GRAPHICS_API_D3D11 */
+
+#ifdef XR_USE_GRAPHICS_API_D3D12
+
+// XR_KHR_D3D12_enable is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_D3D12_enable 1
+#define XR_KHR_D3D12_enable_SPEC_VERSION  11
+#define XR_KHR_D3D12_ENABLE_EXTENSION_NAME "XR_KHR_D3D12_enable"
+// XrGraphicsBindingD3D12KHR extends XrSessionCreateInfo
+typedef struct XrGraphicsBindingD3D12KHR {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    ID3D12Device*               device;
+    ID3D12CommandQueue*         queue;
+} XrGraphicsBindingD3D12KHR;
+
+typedef struct XrSwapchainImageD3D12KHR {
+     XrStructureType      type;
+    void* XR_MAY_ALIAS    next;
+    ID3D12Resource*       texture;
+} XrSwapchainImageD3D12KHR;
+
+typedef struct XrGraphicsRequirementsD3D12KHR {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    LUID                  adapterLuid;
+    D3D_FEATURE_LEVEL     minFeatureLevel;
+} XrGraphicsRequirementsD3D12KHR;
+
+typedef XrResult (XRAPI_PTR *PFN_xrGetD3D12GraphicsRequirementsKHR)(XrInstance instance, XrSystemId systemId, XrGraphicsRequirementsD3D12KHR* graphicsRequirements);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetD3D12GraphicsRequirementsKHR(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    XrGraphicsRequirementsD3D12KHR*             graphicsRequirements);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+#endif /* XR_USE_GRAPHICS_API_D3D12 */
+
+#ifdef XR_USE_GRAPHICS_API_METAL
+
+// XR_KHR_metal_enable is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_metal_enable 1
+#define XR_KHR_metal_enable_SPEC_VERSION  3
+#define XR_KHR_METAL_ENABLE_EXTENSION_NAME "XR_KHR_metal_enable"
+// XrGraphicsBindingMetalKHR extends XrSessionCreateInfo
+typedef struct XrGraphicsBindingMetalKHR {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    void* XR_MAY_ALIAS          commandQueue;
+} XrGraphicsBindingMetalKHR;
+
+typedef struct XrSwapchainImageMetalKHR {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    void* XR_MAY_ALIAS    texture;
+} XrSwapchainImageMetalKHR;
+
+typedef struct XrGraphicsRequirementsMetalKHR {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    void* XR_MAY_ALIAS    metalDevice;
+} XrGraphicsRequirementsMetalKHR;
+
+typedef XrResult (XRAPI_PTR *PFN_xrGetMetalGraphicsRequirementsKHR)(XrInstance instance, XrSystemId systemId, XrGraphicsRequirementsMetalKHR* graphicsRequirements);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetMetalGraphicsRequirementsKHR(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    XrGraphicsRequirementsMetalKHR*             graphicsRequirements);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+#endif /* XR_USE_GRAPHICS_API_METAL */
+
+#ifdef XR_USE_PLATFORM_WIN32
+
+// XR_KHR_win32_convert_performance_counter_time is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_win32_convert_performance_counter_time 1
+#define XR_KHR_win32_convert_performance_counter_time_SPEC_VERSION 1
+#define XR_KHR_WIN32_CONVERT_PERFORMANCE_COUNTER_TIME_EXTENSION_NAME "XR_KHR_win32_convert_performance_counter_time"
+typedef XrResult (XRAPI_PTR *PFN_xrConvertWin32PerformanceCounterToTimeKHR)(XrInstance instance, const LARGE_INTEGER* performanceCounter, XrTime* time);
+typedef XrResult (XRAPI_PTR *PFN_xrConvertTimeToWin32PerformanceCounterKHR)(XrInstance instance, XrTime time, LARGE_INTEGER* performanceCounter);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrConvertWin32PerformanceCounterToTimeKHR(
+    XrInstance                                  instance,
+    const LARGE_INTEGER*                        performanceCounter,
+    XrTime*                                     time);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrConvertTimeToWin32PerformanceCounterKHR(
+    XrInstance                                  instance,
+    XrTime                                      time,
+    LARGE_INTEGER*                              performanceCounter);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+#endif /* XR_USE_PLATFORM_WIN32 */
+
+#ifdef XR_USE_TIMESPEC
+
+// XR_KHR_convert_timespec_time is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_convert_timespec_time 1
+#define XR_KHR_convert_timespec_time_SPEC_VERSION 1
+#define XR_KHR_CONVERT_TIMESPEC_TIME_EXTENSION_NAME "XR_KHR_convert_timespec_time"
+typedef XrResult (XRAPI_PTR *PFN_xrConvertTimespecTimeToTimeKHR)(XrInstance instance, const struct timespec* timespecTime, XrTime* time);
+typedef XrResult (XRAPI_PTR *PFN_xrConvertTimeToTimespecTimeKHR)(XrInstance instance, XrTime time, struct timespec* timespecTime);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrConvertTimespecTimeToTimeKHR(
+    XrInstance                                  instance,
+    const struct timespec*                      timespecTime,
+    XrTime*                                     time);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrConvertTimeToTimespecTimeKHR(
+    XrInstance                                  instance,
+    XrTime                                      time,
+    struct timespec*                            timespecTime);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+#endif /* XR_USE_TIMESPEC */
+
+#ifdef XR_USE_PLATFORM_ANDROID
+
+// XR_KHR_loader_init_android is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_loader_init_android 1
+#define XR_KHR_loader_init_android_SPEC_VERSION 1
+#define XR_KHR_LOADER_INIT_ANDROID_EXTENSION_NAME "XR_KHR_loader_init_android"
+typedef struct XrLoaderInitInfoAndroidKHR {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    void* XR_MAY_ALIAS          applicationVM;
+    void* XR_MAY_ALIAS          applicationContext;
+} XrLoaderInitInfoAndroidKHR;
+
+#endif /* XR_USE_PLATFORM_ANDROID */
+
+#ifdef XR_USE_GRAPHICS_API_VULKAN
+
+// XR_KHR_vulkan_enable2 is a preprocessor guard. Do not pass it to API calls.
+#define XR_KHR_vulkan_enable2 1
+#define XR_KHR_vulkan_enable2_SPEC_VERSION 4
+#define XR_KHR_VULKAN_ENABLE2_EXTENSION_NAME "XR_KHR_vulkan_enable2"
+typedef XrFlags64 XrVulkanInstanceCreateFlagsKHR;
+
+// Flag bits for XrVulkanInstanceCreateFlagsKHR
+
+typedef XrFlags64 XrVulkanDeviceCreateFlagsKHR;
+
+// Flag bits for XrVulkanDeviceCreateFlagsKHR
+
+typedef struct XrVulkanInstanceCreateInfoKHR {
+    XrStructureType                   type;
+    const void* XR_MAY_ALIAS          next;
+    XrSystemId                        systemId;
+    XrVulkanInstanceCreateFlagsKHR    createFlags;
+    PFN_vkGetInstanceProcAddr         pfnGetInstanceProcAddr;
+    const VkInstanceCreateInfo*       vulkanCreateInfo;
+    const VkAllocationCallbacks*      vulkanAllocator;
+} XrVulkanInstanceCreateInfoKHR;
+
+typedef struct XrVulkanDeviceCreateInfoKHR {
+    XrStructureType                 type;
+    const void* XR_MAY_ALIAS        next;
+    XrSystemId                      systemId;
+    XrVulkanDeviceCreateFlagsKHR    createFlags;
+    PFN_vkGetInstanceProcAddr       pfnGetInstanceProcAddr;
+    VkPhysicalDevice                vulkanPhysicalDevice;
+    const VkDeviceCreateInfo*       vulkanCreateInfo;
+    const VkAllocationCallbacks*    vulkanAllocator;
+} XrVulkanDeviceCreateInfoKHR;
+
+typedef XrGraphicsBindingVulkanKHR XrGraphicsBindingVulkan2KHR;
+
+typedef struct XrVulkanGraphicsDeviceGetInfoKHR {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSystemId                  systemId;
+    VkInstance                  vulkanInstance;
+} XrVulkanGraphicsDeviceGetInfoKHR;
+
+typedef XrSwapchainImageVulkanKHR XrSwapchainImageVulkan2KHR;
+
+typedef XrGraphicsRequirementsVulkanKHR XrGraphicsRequirementsVulkan2KHR;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateVulkanInstanceKHR)(XrInstance instance, const XrVulkanInstanceCreateInfoKHR* createInfo, VkInstance* vulkanInstance, VkResult* vulkanResult);
+typedef XrResult (XRAPI_PTR *PFN_xrCreateVulkanDeviceKHR)(XrInstance instance, const XrVulkanDeviceCreateInfoKHR* createInfo, VkDevice* vulkanDevice, VkResult* vulkanResult);
+typedef XrResult (XRAPI_PTR *PFN_xrGetVulkanGraphicsDevice2KHR)(XrInstance instance, const XrVulkanGraphicsDeviceGetInfoKHR* getInfo, VkPhysicalDevice* vulkanPhysicalDevice);
+typedef XrResult (XRAPI_PTR *PFN_xrGetVulkanGraphicsRequirements2KHR)(XrInstance instance, XrSystemId systemId, XrGraphicsRequirementsVulkanKHR* graphicsRequirements);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateVulkanInstanceKHR(
+    XrInstance                                  instance,
+    const XrVulkanInstanceCreateInfoKHR*        createInfo,
+    VkInstance*                                 vulkanInstance,
+    VkResult*                                   vulkanResult);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateVulkanDeviceKHR(
+    XrInstance                                  instance,
+    const XrVulkanDeviceCreateInfoKHR*          createInfo,
+    VkDevice*                                   vulkanDevice,
+    VkResult*                                   vulkanResult);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetVulkanGraphicsDevice2KHR(
+    XrInstance                                  instance,
+    const XrVulkanGraphicsDeviceGetInfoKHR*     getInfo,
+    VkPhysicalDevice*                           vulkanPhysicalDevice);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetVulkanGraphicsRequirements2KHR(
+    XrInstance                                  instance,
+    XrSystemId                                  systemId,
+    XrGraphicsRequirementsVulkanKHR*            graphicsRequirements);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+#endif /* XR_USE_GRAPHICS_API_VULKAN */
+
+#ifdef XR_USE_PLATFORM_EGL
+
+// XR_MNDX_egl_enable is a preprocessor guard. Do not pass it to API calls.
+#define XR_MNDX_egl_enable 1
+#define XR_MNDX_egl_enable_SPEC_VERSION   2
+#define XR_MNDX_EGL_ENABLE_EXTENSION_NAME "XR_MNDX_egl_enable"
+typedef PFN_xrVoidFunction (*PFN_xrEglGetProcAddressMNDX)(const char *name);
+// XrGraphicsBindingEGLMNDX extends XrSessionCreateInfo
+typedef struct XrGraphicsBindingEGLMNDX {
+    XrStructureType                type;
+    const void* XR_MAY_ALIAS       next;
+    PFN_xrEglGetProcAddressMNDX    getProcAddress;
+    EGLDisplay                     display;
+    EGLConfig                      config;
+    EGLContext                     context;
+} XrGraphicsBindingEGLMNDX;
+
+#endif /* XR_USE_PLATFORM_EGL */
+
+#ifdef XR_USE_PLATFORM_WIN32
+
+// XR_MSFT_perception_anchor_interop is a preprocessor guard. Do not pass it to API calls.
+#define XR_MSFT_perception_anchor_interop 1
+#define XR_MSFT_perception_anchor_interop_SPEC_VERSION 1
+#define XR_MSFT_PERCEPTION_ANCHOR_INTEROP_EXTENSION_NAME "XR_MSFT_perception_anchor_interop"
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpatialAnchorFromPerceptionAnchorMSFT)(XrSession session, IUnknown* perceptionAnchor, XrSpatialAnchorMSFT* anchor);
+typedef XrResult (XRAPI_PTR *PFN_xrTryGetPerceptionAnchorFromSpatialAnchorMSFT)(XrSession session, XrSpatialAnchorMSFT anchor, IUnknown** perceptionAnchor);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpatialAnchorFromPerceptionAnchorMSFT(
+    XrSession                                   session,
+    IUnknown*                                   perceptionAnchor,
+    XrSpatialAnchorMSFT*                        anchor);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrTryGetPerceptionAnchorFromSpatialAnchorMSFT(
+    XrSession                                   session,
+    XrSpatialAnchorMSFT                         anchor,
+    IUnknown**                                  perceptionAnchor);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+#endif /* XR_USE_PLATFORM_WIN32 */
+
+#ifdef XR_USE_PLATFORM_WIN32
+
+// XR_MSFT_holographic_window_attachment is a preprocessor guard. Do not pass it to API calls.
+#define XR_MSFT_holographic_window_attachment 1
+#define XR_MSFT_holographic_window_attachment_SPEC_VERSION 1
+#define XR_MSFT_HOLOGRAPHIC_WINDOW_ATTACHMENT_EXTENSION_NAME "XR_MSFT_holographic_window_attachment"
+#ifdef XR_USE_PLATFORM_WIN32
+// XrHolographicWindowAttachmentMSFT extends XrSessionCreateInfo
+typedef struct XrHolographicWindowAttachmentMSFT {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    IUnknown*                   holographicSpace;
+    IUnknown*                   coreWindow;
+} XrHolographicWindowAttachmentMSFT;
+#endif // XR_USE_PLATFORM_WIN32
+
+#endif /* XR_USE_PLATFORM_WIN32 */
+
+#ifdef XR_USE_PLATFORM_ANDROID
+
+// XR_FB_android_surface_swapchain_create is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_android_surface_swapchain_create 1
+#define XR_FB_android_surface_swapchain_create_SPEC_VERSION 1
+#define XR_FB_ANDROID_SURFACE_SWAPCHAIN_CREATE_EXTENSION_NAME "XR_FB_android_surface_swapchain_create"
+typedef XrFlags64 XrAndroidSurfaceSwapchainFlagsFB;
+
+// Flag bits for XrAndroidSurfaceSwapchainFlagsFB
+static const XrAndroidSurfaceSwapchainFlagsFB XR_ANDROID_SURFACE_SWAPCHAIN_SYNCHRONOUS_BIT_FB = 0x00000001;
+static const XrAndroidSurfaceSwapchainFlagsFB XR_ANDROID_SURFACE_SWAPCHAIN_USE_TIMESTAMPS_BIT_FB = 0x00000002;
+
+#ifdef XR_USE_PLATFORM_ANDROID
+// XrAndroidSurfaceSwapchainCreateInfoFB extends XrSwapchainCreateInfo
+typedef struct XrAndroidSurfaceSwapchainCreateInfoFB {
+    XrStructureType                     type;
+    const void* XR_MAY_ALIAS            next;
+    XrAndroidSurfaceSwapchainFlagsFB    createFlags;
+} XrAndroidSurfaceSwapchainCreateInfoFB;
+#endif // XR_USE_PLATFORM_ANDROID
+
+#endif /* XR_USE_PLATFORM_ANDROID */
+
+#ifdef XR_USE_PLATFORM_ML
+
+// XR_ML_compat is a preprocessor guard. Do not pass it to API calls.
+#define XR_ML_compat 1
+#define XR_ML_compat_SPEC_VERSION         1
+#define XR_ML_COMPAT_EXTENSION_NAME       "XR_ML_compat"
+typedef struct XrCoordinateSpaceCreateInfoML {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    MLCoordinateFrameUID        cfuid;
+    XrPosef                     poseInCoordinateSpace;
+} XrCoordinateSpaceCreateInfoML;
+
+typedef XrResult (XRAPI_PTR *PFN_xrCreateSpaceFromCoordinateFrameUIDML)(XrSession session, const XrCoordinateSpaceCreateInfoML *createInfo, XrSpace* space);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrCreateSpaceFromCoordinateFrameUIDML(
+    XrSession                                   session,
+    const XrCoordinateSpaceCreateInfoML *       createInfo,
+    XrSpace*                                    space);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+#endif /* XR_USE_PLATFORM_ML */
+
+#ifdef XR_USE_PLATFORM_WIN32
+
+// XR_OCULUS_audio_device_guid is a preprocessor guard. Do not pass it to API calls.
+#define XR_OCULUS_audio_device_guid 1
+#define XR_OCULUS_audio_device_guid_SPEC_VERSION 1
+#define XR_OCULUS_AUDIO_DEVICE_GUID_EXTENSION_NAME "XR_OCULUS_audio_device_guid"
+#define XR_MAX_AUDIO_DEVICE_STR_SIZE_OCULUS 128
+typedef XrResult (XRAPI_PTR *PFN_xrGetAudioOutputDeviceGuidOculus)(XrInstance instance, wchar_t buffer[XR_MAX_AUDIO_DEVICE_STR_SIZE_OCULUS]);
+typedef XrResult (XRAPI_PTR *PFN_xrGetAudioInputDeviceGuidOculus)(XrInstance instance, wchar_t buffer[XR_MAX_AUDIO_DEVICE_STR_SIZE_OCULUS]);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrGetAudioOutputDeviceGuidOculus(
+    XrInstance                                  instance,
+    wchar_t                                     buffer[XR_MAX_AUDIO_DEVICE_STR_SIZE_OCULUS]);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrGetAudioInputDeviceGuidOculus(
+    XrInstance                                  instance,
+    wchar_t                                     buffer[XR_MAX_AUDIO_DEVICE_STR_SIZE_OCULUS]);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+#endif /* XR_USE_PLATFORM_WIN32 */
+
+#ifdef XR_USE_GRAPHICS_API_VULKAN
+
+// XR_FB_foveation_vulkan is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_foveation_vulkan 1
+#define XR_FB_foveation_vulkan_SPEC_VERSION 1
+#define XR_FB_FOVEATION_VULKAN_EXTENSION_NAME "XR_FB_foveation_vulkan"
+// XrSwapchainImageFoveationVulkanFB extends XrSwapchainImageVulkanKHR
+typedef struct XrSwapchainImageFoveationVulkanFB {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    VkImage               image;
+    uint32_t              width;
+    uint32_t              height;
+} XrSwapchainImageFoveationVulkanFB;
+
+#endif /* XR_USE_GRAPHICS_API_VULKAN */
+
+#ifdef XR_USE_PLATFORM_ANDROID
+
+// XR_FB_swapchain_update_state_android_surface is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_swapchain_update_state_android_surface 1
+#define XR_FB_swapchain_update_state_android_surface_SPEC_VERSION 1
+#define XR_FB_SWAPCHAIN_UPDATE_STATE_ANDROID_SURFACE_EXTENSION_NAME "XR_FB_swapchain_update_state_android_surface"
+#ifdef XR_USE_PLATFORM_ANDROID
+typedef struct XrSwapchainStateAndroidSurfaceDimensionsFB {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    uint32_t              width;
+    uint32_t              height;
+} XrSwapchainStateAndroidSurfaceDimensionsFB;
+#endif // XR_USE_PLATFORM_ANDROID
+
+#endif /* XR_USE_PLATFORM_ANDROID */
+
+#ifdef XR_USE_GRAPHICS_API_OPENGL_ES
+
+// XR_FB_swapchain_update_state_opengl_es is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_swapchain_update_state_opengl_es 1
+#define XR_FB_swapchain_update_state_opengl_es_SPEC_VERSION 1
+#define XR_FB_SWAPCHAIN_UPDATE_STATE_OPENGL_ES_EXTENSION_NAME "XR_FB_swapchain_update_state_opengl_es"
+#ifdef XR_USE_GRAPHICS_API_OPENGL_ES
+typedef struct XrSwapchainStateSamplerOpenGLESFB {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    EGLenum               minFilter;
+    EGLenum               magFilter;
+    EGLenum               wrapModeS;
+    EGLenum               wrapModeT;
+    EGLenum               swizzleRed;
+    EGLenum               swizzleGreen;
+    EGLenum               swizzleBlue;
+    EGLenum               swizzleAlpha;
+    float                 maxAnisotropy;
+    XrColor4f             borderColor;
+} XrSwapchainStateSamplerOpenGLESFB;
+#endif // XR_USE_GRAPHICS_API_OPENGL_ES
+
+#endif /* XR_USE_GRAPHICS_API_OPENGL_ES */
+
+#ifdef XR_USE_GRAPHICS_API_VULKAN
+
+// XR_FB_swapchain_update_state_vulkan is a preprocessor guard. Do not pass it to API calls.
+#define XR_FB_swapchain_update_state_vulkan 1
+#define XR_FB_swapchain_update_state_vulkan_SPEC_VERSION 1
+#define XR_FB_SWAPCHAIN_UPDATE_STATE_VULKAN_EXTENSION_NAME "XR_FB_swapchain_update_state_vulkan"
+#ifdef XR_USE_GRAPHICS_API_VULKAN
+typedef struct XrSwapchainStateSamplerVulkanFB {
+    XrStructureType         type;
+    void* XR_MAY_ALIAS      next;
+    VkFilter                minFilter;
+    VkFilter                magFilter;
+    VkSamplerMipmapMode     mipmapMode;
+    VkSamplerAddressMode    wrapModeS;
+    VkSamplerAddressMode    wrapModeT;
+    VkComponentSwizzle      swizzleRed;
+    VkComponentSwizzle      swizzleGreen;
+    VkComponentSwizzle      swizzleBlue;
+    VkComponentSwizzle      swizzleAlpha;
+    float                   maxAnisotropy;
+    XrColor4f               borderColor;
+} XrSwapchainStateSamplerVulkanFB;
+#endif // XR_USE_GRAPHICS_API_VULKAN
+
+#endif /* XR_USE_GRAPHICS_API_VULKAN */
+
+#ifdef XR_USE_GRAPHICS_API_VULKAN
+
+// XR_META_vulkan_swapchain_create_info is a preprocessor guard. Do not pass it to API calls.
+#define XR_META_vulkan_swapchain_create_info 1
+#define XR_META_vulkan_swapchain_create_info_SPEC_VERSION 1
+#define XR_META_VULKAN_SWAPCHAIN_CREATE_INFO_EXTENSION_NAME "XR_META_vulkan_swapchain_create_info"
+// XrVulkanSwapchainCreateInfoMETA extends XrSwapchainCreateInfo
+typedef struct XrVulkanSwapchainCreateInfoMETA {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    VkImageCreateFlags          additionalCreateFlags;
+    VkImageUsageFlags           additionalUsageFlags;
+} XrVulkanSwapchainCreateInfoMETA;
+
+#endif /* XR_USE_GRAPHICS_API_VULKAN */
+
+#ifdef XR_USE_PLATFORM_ANDROID
+
+// XR_ANDROID_anchor_sharing_export is a preprocessor guard. Do not pass it to API calls.
+#define XR_ANDROID_anchor_sharing_export 1
+#define XR_ANDROID_anchor_sharing_export_SPEC_VERSION 1
+#define XR_ANDROID_ANCHOR_SHARING_EXPORT_EXTENSION_NAME "XR_ANDROID_anchor_sharing_export"
+typedef struct XrAnchorSharingInfoANDROID {
+    XrStructureType             type;
+    const void* XR_MAY_ALIAS    next;
+    XrSpace                     anchor;
+} XrAnchorSharingInfoANDROID;
+
+typedef struct XrAnchorSharingTokenANDROID {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    struct AIBinder*      token;
+} XrAnchorSharingTokenANDROID;
+
+// XrSystemAnchorSharingExportPropertiesANDROID extends XrSystemProperties
+typedef struct XrSystemAnchorSharingExportPropertiesANDROID {
+    XrStructureType       type;
+    void* XR_MAY_ALIAS    next;
+    XrBool32              supportsAnchorSharingExport;
+} XrSystemAnchorSharingExportPropertiesANDROID;
+
+typedef XrResult (XRAPI_PTR *PFN_xrShareAnchorANDROID)(XrSession session, const XrAnchorSharingInfoANDROID* sharingInfo, XrAnchorSharingTokenANDROID* anchorToken);
+typedef XrResult (XRAPI_PTR *PFN_xrUnshareAnchorANDROID)(XrSession session, XrSpace anchor);
+
+#ifndef XR_NO_PROTOTYPES
+#ifdef XR_EXTENSION_PROTOTYPES
+XRAPI_ATTR XrResult XRAPI_CALL xrShareAnchorANDROID(
+    XrSession                                   session,
+    const XrAnchorSharingInfoANDROID*           sharingInfo,
+    XrAnchorSharingTokenANDROID*                anchorToken);
+
+XRAPI_ATTR XrResult XRAPI_CALL xrUnshareAnchorANDROID(
+    XrSession                                   session,
+    XrSpace                                     anchor);
+#endif /* XR_EXTENSION_PROTOTYPES */
+#endif /* !XR_NO_PROTOTYPES */
+#endif /* XR_USE_PLATFORM_ANDROID */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/frame/openxr-compat/vendor/openxr/openxr_platform_defines.h b/frame/openxr-compat/vendor/openxr/openxr_platform_defines.h
new file mode 100644
index 0000000..79c5b2c
--- /dev/null
+++ b/frame/openxr-compat/vendor/openxr/openxr_platform_defines.h
@@ -0,0 +1,114 @@
+/*
+** Copyright (c) 2017-2026 The Khronos Group Inc.
+**
+** SPDX-License-Identifier: Apache-2.0 OR MIT
+*/
+
+#ifndef OPENXR_PLATFORM_DEFINES_H_
+#define OPENXR_PLATFORM_DEFINES_H_ 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Platform-specific calling convention macros.
+ *
+ * Platforms should define these so that OpenXR clients call OpenXR functions
+ * with the same calling conventions that the OpenXR implementation expects.
+ *
+ * XRAPI_ATTR - Placed before the return type in function declarations.
+ *              Useful for C++11 and GCC/Clang-style function attribute syntax.
+ * XRAPI_CALL - Placed after the return type in function declarations.
+ *              Useful for MSVC-style calling convention syntax.
+ * XRAPI_PTR  - Placed between the '(' and '*' in function pointer types.
+ *
+ * Function declaration:  XRAPI_ATTR void XRAPI_CALL xrFunction(void);
+ * Function pointer type: typedef void (XRAPI_PTR *PFN_xrFunction)(void);
+ */
+#if defined(_WIN32)
+#define XRAPI_ATTR
+// On Windows, functions use the stdcall convention
+#define XRAPI_CALL __stdcall
+#define XRAPI_PTR XRAPI_CALL
+#elif defined(__ANDROID__) && defined(__ARM_ARCH) && __ARM_ARCH < 7
+#error "API not supported for the 'armeabi' NDK ABI"
+#elif defined(__ANDROID__) && defined(__ARM_ARCH) && __ARM_ARCH >= 7 && defined(__ARM_32BIT_STATE)
+// On Android 32-bit ARM targets, functions use the "hardfloat"
+// calling convention, i.e. float parameters are passed in registers. This
+// is true even if the rest of the application passes floats on the stack,
+// as it does by default when compiling for the armeabi-v7a NDK ABI.
+#define XRAPI_ATTR __attribute__((pcs("aapcs-vfp")))
+#define XRAPI_CALL
+#define XRAPI_PTR XRAPI_ATTR
+#else
+// On other platforms, use the default calling convention
+#define XRAPI_ATTR
+#define XRAPI_CALL
+#define XRAPI_PTR
+#endif
+
+#include <stddef.h>
+
+#if !defined(XR_NO_STDINT_H)
+#if defined(_MSC_VER) && (_MSC_VER < 1600)
+typedef signed __int8 int8_t;
+typedef unsigned __int8 uint8_t;
+typedef signed __int16 int16_t;
+typedef unsigned __int16 uint16_t;
+typedef signed __int32 int32_t;
+typedef unsigned __int32 uint32_t;
+typedef signed __int64 int64_t;
+typedef unsigned __int64 uint64_t;
+#else
+#include <stdint.h>
+#endif
+#endif  // !defined( XR_NO_STDINT_H )
+
+// XR_PTR_SIZE (in bytes)
+#if (defined(__LP64__) || defined(_WIN64) || (defined(__x86_64__) && !defined(__ILP32__) ) || defined(_M_X64) || defined(__ia64) || defined(_M_IA64) || defined(__aarch64__) || defined(__powerpc64__))
+#define XR_PTR_SIZE 8
+#else
+#define XR_PTR_SIZE 4
+#endif
+
+// Needed so we can use clang __has_feature portably.
+#if !defined(XR_COMPILER_HAS_FEATURE)
+#if defined(__clang__)
+#define XR_COMPILER_HAS_FEATURE(x) __has_feature(x)
+#else
+#define XR_COMPILER_HAS_FEATURE(x) 0
+#endif
+#endif
+
+// Identifies if the current compiler has C++11 support enabled.
+// Does not by itself identify if any given C++11 feature is present.
+#if !defined(XR_CPP11_ENABLED) && defined(__cplusplus)
+#if defined(__GNUC__) && defined(__GXX_EXPERIMENTAL_CXX0X__)
+#define XR_CPP11_ENABLED 1
+#elif defined(_MSC_VER) && (_MSC_VER >= 1600)
+#define XR_CPP11_ENABLED 1
+#elif (__cplusplus >= 201103L) // 201103 is the first C++11 version.
+#define XR_CPP11_ENABLED 1
+#endif
+#endif
+
+// Identifies if the current compiler supports C++11 nullptr.
+#if !defined(XR_CPP_NULLPTR_SUPPORTED)
+#if defined(XR_CPP11_ENABLED) &&                                              \
+    ((defined(__clang__) && XR_COMPILER_HAS_FEATURE(cxx_nullptr)) ||          \
+     (defined(__GNUC__) && (((__GNUC__ * 1000) + __GNUC_MINOR__) >= 4006)) || \
+     (defined(_MSC_VER) && (_MSC_VER >= 1600)) ||                             \
+     (defined(__EDG_VERSION__) && (__EDG_VERSION__ >= 403)))
+#define XR_CPP_NULLPTR_SUPPORTED 1
+#endif
+#endif
+
+#if !defined(XR_CPP_NULLPTR_SUPPORTED)
+#define XR_CPP_NULLPTR_SUPPORTED 0
+#endif  // !defined(XR_CPP_NULLPTR_SUPPORTED)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/mac/frame-mac-view/Sources/CGVirtualDisplay.h b/mac/frame-mac-view/Sources/CGVirtualDisplay.h
new file mode 100644
index 0000000..f67f628
--- /dev/null
+++ b/mac/frame-mac-view/Sources/CGVirtualDisplay.h
@@ -0,0 +1,28 @@
+// Private CoreGraphics classes for virtual displays (as used by DeskPad,
+// BetterDisplay and quest-display). Not in any SDK; see
+// docs/mac-window-separation.md.
+#import <Foundation/Foundation.h>
+#import <CoreGraphics/CoreGraphics.h>
+@interface CGVirtualDisplayDescriptor : NSObject
+@property (retain, nonatomic) dispatch_queue_t queue;
+@property (retain, nonatomic) NSString *name;
+@property (nonatomic) unsigned int maxPixelsHigh;
+@property (nonatomic) unsigned int maxPixelsWide;
+@property (nonatomic) CGSize sizeInMillimeters;
+@property (nonatomic) unsigned int serialNum;
+@property (nonatomic) unsigned int productID;
+@property (nonatomic) unsigned int vendorID;
+@property (copy, nonatomic) void (^terminationHandler)(id, id);
+@end
+@interface CGVirtualDisplayMode : NSObject
+- (instancetype)initWithWidth:(unsigned int)width height:(unsigned int)height refreshRate:(double)refreshRate;
+@end
+@interface CGVirtualDisplaySettings : NSObject
+@property (retain, nonatomic) NSArray *modes;
+@property (nonatomic) unsigned int hiDPI;
+@end
+@interface CGVirtualDisplay : NSObject
+@property (readonly, nonatomic) unsigned int displayID;
+- (instancetype)initWithDescriptor:(CGVirtualDisplayDescriptor *)descriptor;
+- (BOOL)applySettings:(CGVirtualDisplaySettings *)settings;
+@end
diff --git a/mac/frame-mac-view/Sources/Capture.swift b/mac/frame-mac-view/Sources/Capture.swift
new file mode 100644
index 0000000..dcf3b3b
--- /dev/null
+++ b/mac/frame-mac-view/Sources/Capture.swift
@@ -0,0 +1,414 @@
+// Where pictures come from: one Mac window or one display (ScreenCaptureKit),
+// or a generated test pattern that needs no permissions and shows the input
+// the viewer sends, for checking the whole path without touching the Mac.
+import AppKit
+import CoreMedia
+import CoreVideo
+import Foundation
+import ScreenCaptureKit
+
+enum Source: Equatable {
+    case window(CGWindowID)
+    case display(CGDirectDisplayID)
+    case separate(CGWindowID)  // the window on a display of its own
+    case test
+
+    init?(_ s: String) {
+        let parts = s.split(separator: ":", maxSplits: 1).map(String.init)
+        switch (parts.first, parts.count > 1 ? UInt32(parts[1]) : nil) {
+        case ("window", let id?): self = .window(id)
+        case ("display", let id?): self = .display(id)
+        case ("separate", let id?): self = .separate(id)
+        case ("test", _): self = .test
+        default: return nil
+        }
+    }
+
+    var key: String {
+        switch self {
+        case .window(let id): return "window:\(id)"
+        case .display(let id): return "display:\(id)"
+        case .separate(let id): return "separate:\(id)"
+        case .test: return "test"
+        }
+    }
+}
+
+/// Size to capture at: the source's pixel size, shrunk to fit a box whose
+/// long side is `maxLong` (default 1920), even numbers for the encoder.
+func fitSize(width: Double, height: Double, maxLong: Int) -> (Int, Int) {
+    let scale = min(1, Double(maxLong) / max(width, height, 1))
+    let w = max(16, Int((width * scale / 2).rounded()) * 2), h = max(16, Int((height * scale / 2).rounded()) * 2)
+    return (w, h)
+}
+
+/// What CGWindowList says about a window right now (no permission needed for
+/// bounds; titles need Screen Recording).
+struct WindowInfo {
+    let id: CGWindowID
+    let pid: pid_t
+    let app: String
+    let title: String
+    let bounds: CGRect
+    let layer: Int
+    let onScreen: Bool
+
+    static func all(onScreenOnly: Bool = true) -> [WindowInfo] {
+        let opts: CGWindowListOption = onScreenOnly ? [.optionOnScreenOnly, .excludeDesktopElements] : [.excludeDesktopElements]
+        let list = CGWindowListCopyWindowInfo(opts, kCGNullWindowID) as? [[CFString: Any]] ?? []
+        return list.compactMap(WindowInfo.init)
+    }
+
+    static func find(_ id: CGWindowID) -> WindowInfo? {
+        let list = CGWindowListCopyWindowInfo(.optionIncludingWindow, id) as? [[CFString: Any]] ?? []
+        return list.compactMap(WindowInfo.init).first { $0.id == id }
+    }
+
+    init?(_ d: [CFString: Any]) {
+        guard let id = d[kCGWindowNumber] as? CGWindowID, let pid = d[kCGWindowOwnerPID] as? pid_t,
+              let b = d[kCGWindowBounds] as? [String: Any], let rect = CGRect(dictionaryRepresentation: b as CFDictionary)
+        else { return nil }
+        self.id = id
+        self.pid = pid
+        app = d[kCGWindowOwnerName] as? String ?? ""
+        title = d[kCGWindowName] as? String ?? ""
+        bounds = rect
+        layer = d[kCGWindowLayer] as? Int ?? 0
+        onScreen = d[kCGWindowIsOnscreen] as? Bool ?? false
+    }
+}
+
+protocol CaptureSource: AnyObject {
+    /// The picture, its presentation time, and when the Mac composited it (µs, host clock).
+    var onFrame: ((CVPixelBuffer, CMTime, Int64) -> Void)? { get set }
+    var onEnded: ((String) -> Void)? { get set }
+    var onChange: (() -> Void)? { get set }  // title or size changed
+    /// True once the window or display is gone for good.
+    var gone: Bool { get }
+    /// Points on the Mac's global display space that the picture covers.
+    var frameRect: CGRect { get }
+    var title: String { get }
+    var app: String { get }
+    var pid: pid_t? { get }
+    func start(maxLong: Int, fps: Int, completion: @escaping (String?) -> Void)
+    /// A smaller or larger picture from now on (the long side, in pixels).
+    func setMaxLong(_ maxLong: Int)
+    func stop()
+    func pointer(x: Double, y: Double, text: String?)  // for the test pattern
+}
+
+extension CaptureSource {
+    func pointer(x: Double, y: Double, text: String?) {}
+}
+
+/// ScreenCaptureKit, for a window or a display.
+final class SCKSource: NSObject, CaptureSource, SCStreamOutput, SCStreamDelegate {
+    let source: Source
+    var onFrame: ((CVPixelBuffer, CMTime, Int64) -> Void)?
+    var onEnded: ((String) -> Void)?
+    private(set) var frameRect = CGRect.zero
+    private(set) var title = ""
+    private(set) var app = ""
+    private(set) var pid: pid_t?
+    private var stream: SCStream?
+    private var config = SCStreamConfiguration()
+    private var maxLong = 1920
+    private var scale = 2.0
+    private var poll: DispatchSourceTimer?
+    private let queue = DispatchQueue(label: "frame-mac-view.capture", qos: .userInteractive)
+    /// Set by stop(), on `queue`; a start still enumerating windows checks it
+    /// before it starts capturing, so a viewer that left early leaves nothing on.
+    private var cancelled = false
+    /// The window or display no longer exists, so retrying can't help.
+    private(set) var gone = false
+    var onChange: (() -> Void)?  // title or size changed
+    /// For a display: capture only this part of it (display points, top-left
+    /// origin). Set before start().
+    var crop: CGRect?
+
+    init(_ source: Source) { self.source = source }
+
+    /// What's captured, in global points: the display, or the cropped part of it.
+    private func displayRect(_ id: CGDirectDisplayID) -> CGRect {
+        let b = CGDisplayBounds(id)
+        guard let c = crop else { return b }
+        return c.offsetBy(dx: b.minX, dy: b.minY).intersection(b)
+    }
+
+    func start(maxLong: Int, fps: Int, completion: @escaping (String?) -> Void) {
+        self.maxLong = maxLong
+        SCShareableContent.getExcludingDesktopWindows(true, onScreenWindowsOnly: false) { [self] content, error in
+            queue.async { self.begin(content, error, fps: fps, completion: completion) }
+        }
+    }
+
+    private func begin(_ content: SCShareableContent?, _ error: Error?, fps: Int, completion: @escaping (String?) -> Void) {
+        if cancelled { return }
+        guard let content else {
+            return completion("Screen Recording isn't allowed for Frame Control (\(error?.localizedDescription ?? "no content"))")
+        }
+        let filter: SCContentFilter
+        switch source {
+        case .window(let id):
+            guard let w = content.windows.first(where: { $0.windowID == id }) else {
+                gone = true
+                return completion("that window has closed")
+            }
+            filter = SCContentFilter(desktopIndependentWindow: w)
+            title = w.title ?? ""
+            app = w.owningApplication?.applicationName ?? ""
+            pid = w.owningApplication?.processID
+            frameRect = w.frame
+        case .display(let id):
+            guard let d = content.displays.first(where: { $0.displayID == id }) else {
+                gone = true
+                return completion("that display isn't connected")
+            }
+            filter = SCContentFilter(display: d, excludingWindows: [])
+            title = displayName(id)
+            app = "Mac"
+            frameRect = displayRect(id)
+            if crop != nil { config.sourceRect = frameRect.offsetBy(dx: -CGDisplayBounds(id).minX, dy: -CGDisplayBounds(id).minY) }
+        case .test, .separate:
+            return completion("not a ScreenCaptureKit source")
+        }
+        scale = Double(filter.pointPixelScale)
+        // A display's own mode knows best: ScreenCaptureKit can still say 1
+        // for a virtual display that has only just switched to HiDPI.
+        if case .display(let id) = source, let mode = CGDisplayCopyDisplayMode(id), mode.width > 0 {
+            scale = max(scale, Double(mode.pixelWidth) / Double(mode.width))
+        }
+        let (w, h) = fitSize(width: frameRect.width * scale, height: frameRect.height * scale, maxLong: maxLong)
+        config.width = w
+        config.height = h
+        config.minimumFrameInterval = CMTime(value: 1, timescale: CMTimeScale(fps))
+        config.pixelFormat = kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange
+        config.colorMatrix = CGDisplayStream.yCbCrMatrix_ITU_R_709_2
+        config.colorSpaceName = CGColorSpace.sRGB
+        config.showsCursor = true
+        config.queueDepth = 5
+        config.scalesToFit = true
+        config.preservesAspectRatio = true
+        config.capturesAudio = false
+        let stream = SCStream(filter: filter, configuration: config, delegate: self)
+        do {
+            try stream.addStreamOutput(self, type: .screen, sampleHandlerQueue: queue)
+        } catch {
+            return completion("couldn't capture: \(error.localizedDescription)")
+        }
+        self.stream = stream
+        stream.startCapture { error in
+            self.queue.async {
+                if self.cancelled {
+                    stream.stopCapture { _ in }
+                    return
+                }
+                if let error { return completion("couldn't capture: \(error.localizedDescription)") }
+                self.startPolling()
+                completion(nil)
+            }
+        }
+    }
+
+    func stop() {
+        queue.async {
+            self.cancelled = true
+            self.poll?.cancel()
+            self.poll = nil
+            self.stream?.stopCapture { _ in }
+            self.stream = nil
+        }
+    }
+
+    /// Windows move, resize, retitle and close, and displays change mode;
+    /// ScreenCaptureKit doesn't say.
+    private func startPolling() {
+        if case .display(let id) = source { return pollDisplay(id) }
+        guard case .window(let id) = source else { return }
+        let t = DispatchSource.makeTimerSource(queue: queue)
+        t.schedule(deadline: .now() + 1, repeating: 1)
+        t.setEventHandler { [weak self] in
+            guard let self else { return }
+            guard let info = WindowInfo.find(id) else {
+                self.stop()
+                self.onEnded?("the window closed")
+                return
+            }
+            var changed = false
+            if !info.title.isEmpty, info.title != self.title { self.title = info.title; changed = true }
+            let old = self.frameRect
+            self.frameRect = info.bounds
+            if abs(old.width - info.bounds.width) > 1 || abs(old.height - info.bounds.height) > 1 {
+                let (w, h) = fitSize(width: info.bounds.width * self.scale, height: info.bounds.height * self.scale, maxLong: self.maxLong)
+                self.config.width = w
+                self.config.height = h
+                self.stream?.updateConfiguration(self.config) { _ in }
+                changed = true
+            }
+            if changed { self.onChange?() }
+        }
+        t.resume()
+        poll = t
+    }
+
+    func setMaxLong(_ n: Int) {
+        queue.async {
+            self.maxLong = n
+            guard self.stream != nil else { return }
+            let (w, h) = fitSize(width: self.frameRect.width * self.scale, height: self.frameRect.height * self.scale, maxLong: n)
+            guard w != self.config.width || h != self.config.height else { return }
+            self.config.width = w
+            self.config.height = h
+            self.stream?.updateConfiguration(self.config) { _ in }
+        }
+    }
+
+    private func pollDisplay(_ id: CGDirectDisplayID) {
+        let t = DispatchSource.makeTimerSource(queue: queue)
+        t.schedule(deadline: .now() + 0.5, repeating: 1)
+        t.setEventHandler { [weak self] in
+            guard let self, let mode = CGDisplayCopyDisplayMode(id), mode.width > 0 else { return }
+            let bounds = self.displayRect(id), scale = Double(mode.pixelWidth) / Double(mode.width)
+            let (w, h) = fitSize(width: bounds.width * scale, height: bounds.height * scale, maxLong: self.maxLong)
+            self.frameRect = bounds
+            guard w != self.config.width || h != self.config.height else { return }
+            self.scale = scale
+            self.config.width = w
+            self.config.height = h
+            self.stream?.updateConfiguration(self.config) { _ in }
+            self.onChange?()
+        }
+        t.resume()
+        poll = t
+    }
+
+    func stream(_ stream: SCStream, didOutputSampleBuffer sample: CMSampleBuffer, of type: SCStreamOutputType) {
+        guard type == .screen, sample.isValid, let pb = CMSampleBufferGetImageBuffer(sample) else { return }
+        // Only complete frames carry new pixels; idle and blank ones don't.
+        let info = (CMSampleBufferGetSampleAttachmentsArray(sample, createIfNecessary: false) as? [[SCStreamFrameInfo: Any]])?.first
+        if let raw = info?[.status] as? Int, let status = SCFrameStatus(rawValue: raw), status != .complete {
+            return
+        }
+        let pts = CMSampleBufferGetPresentationTimeStamp(sample)
+        // When WindowServer composited it: the moment it showed on the Mac.
+        let shown = (info?[.displayTime] as? UInt64).map(hostUs) ?? hostUs(pts)
+        onFrame?(pb, pts, shown)
+    }
+
+    func stream(_ stream: SCStream, didStopWithError error: Error) {
+        onEnded?("capture stopped: \(error.localizedDescription)")
+    }
+}
+
+func displayName(_ id: CGDirectDisplayID) -> String {
+    for screen in NSScreen.screens {
+        if (screen.deviceDescription[NSDeviceDescriptionKey("NSScreenNumber")] as? NSNumber)?.uint32Value == id {
+            return screen.localizedName
+        }
+    }
+    return "Display \(id)"
+}
+
+/// A moving test card: bars, a clock and a frame counter, plus a dot where the
+/// viewer's pointer is and the last key it sent, so input can be checked too.
+final class TestSource: CaptureSource {
+    var onFrame: ((CVPixelBuffer, CMTime, Int64) -> Void)?
+    var onEnded: ((String) -> Void)?
+    var onChange: (() -> Void)?
+    let gone = false
+    let frameRect = CGRect(x: 0, y: 0, width: 1280, height: 720)
+    let title = "Test pattern"
+    let app = "Frame Control"
+    let pid: pid_t? = nil
+    private var timer: DispatchSourceTimer?
+    private var pool: CVPixelBufferPool?
+    private var n = 0
+    private var dot: (Double, Double)?
+    private var lastText = "Point or type in the headset"
+    private let queue = DispatchQueue(label: "frame-mac-view.test")
+    private var size = (1280, 720)
+
+    func start(maxLong: Int, fps: Int, completion: @escaping (String?) -> Void) {
+        size = fitSize(width: 1280, height: 720, maxLong: maxLong)
+        makePool()
+        let t = DispatchSource.makeTimerSource(queue: queue)
+        t.schedule(deadline: .now(), repeating: 1.0 / Double(fps))
+        t.setEventHandler { [weak self] in self?.draw() }
+        t.resume()
+        timer = t
+        completion(nil)
+    }
+
+    func stop() {
+        timer?.cancel()
+        timer = nil
+    }
+
+    func setMaxLong(_ n: Int) {
+        queue.async {
+            self.size = fitSize(width: 1280, height: 720, maxLong: n)
+            self.makePool()
+        }
+    }
+
+    private func makePool() {
+        let attrs: [CFString: Any] = [kCVPixelBufferPixelFormatTypeKey: kCVPixelFormatType_32BGRA,
+                                      kCVPixelBufferWidthKey: size.0, kCVPixelBufferHeightKey: size.1,
+                                      kCVPixelBufferIOSurfacePropertiesKey: [:] as CFDictionary]
+        pool = nil
+        CVPixelBufferPoolCreate(nil, nil, attrs as CFDictionary, &pool)
+    }
+
+    func pointer(x: Double, y: Double, text: String?) {
+        queue.async {
+            if x >= 0 { self.dot = (x, y) }
+            if let text { self.lastText = text }
+        }
+    }
+
+    private func draw() {
+        guard let pool else { return }
+        var out: CVPixelBuffer?
+        CVPixelBufferPoolCreatePixelBuffer(nil, pool, &out)
+        guard let pb = out else { return }
+        CVPixelBufferLockBaseAddress(pb, [])
+        defer { CVPixelBufferUnlockBaseAddress(pb, []) }
+        let (w, h) = size
+        guard let ctx = CGContext(data: CVPixelBufferGetBaseAddress(pb), width: w, height: h, bitsPerComponent: 8,
+                                  bytesPerRow: CVPixelBufferGetBytesPerRow(pb), space: CGColorSpace(name: CGColorSpace.sRGB)!,
+                                  bitmapInfo: CGImageAlphaInfo.premultipliedFirst.rawValue | CGBitmapInfo.byteOrder32Little.rawValue)
+        else { return }
+        let colors: [(CGFloat, CGFloat, CGFloat)] = [(0.75, 0.75, 0.75), (0.75, 0.75, 0), (0, 0.75, 0.75), (0, 0.75, 0),
+                                                     (0.75, 0, 0.75), (0.75, 0, 0), (0, 0, 0.75)]
+        let bw = CGFloat(w) / CGFloat(colors.count)
+        for (i, c) in colors.enumerated() {
+            ctx.setFillColor(red: c.0, green: c.1, blue: c.2, alpha: 1)
+            ctx.fill(CGRect(x: CGFloat(i) * bw, y: CGFloat(h) * 0.35, width: bw + 1, height: CGFloat(h) * 0.65))
+        }
+        ctx.setFillColor(red: 0.08, green: 0.09, blue: 0.11, alpha: 1)
+        ctx.fill(CGRect(x: 0, y: 0, width: w, height: Int(Double(h) * 0.35)))
+        // A bar sweeping once a second shows motion and dropped frames.
+        let x = CGFloat(n % 60) / 60 * CGFloat(w)
+        ctx.setFillColor(red: 1, green: 1, blue: 1, alpha: 1)
+        ctx.fill(CGRect(x: x, y: CGFloat(h) * 0.35, width: max(4, CGFloat(w) / 120), height: CGFloat(h) * 0.65))
+        let f = DateFormatter()
+        f.dateFormat = "HH:mm:ss.SSS"
+        let label = "Frame Control test pattern  \(f.string(from: Date()))  frame \(n)\n\(lastText)"
+        let text = NSAttributedString(string: label, attributes: [
+            .font: NSFont.monospacedSystemFont(ofSize: CGFloat(h) / 24, weight: .medium),
+            .foregroundColor: NSColor.white,
+        ])
+        let ns = NSGraphicsContext(cgContext: ctx, flipped: false)
+        NSGraphicsContext.saveGraphicsState()
+        NSGraphicsContext.current = ns
+        text.draw(at: CGPoint(x: CGFloat(w) * 0.03, y: CGFloat(h) * 0.08))
+        NSGraphicsContext.restoreGraphicsState()
+        if let (px, py) = dot {
+            let r = CGFloat(h) / 40
+            ctx.setFillColor(red: 1, green: 0.2, blue: 0.2, alpha: 1)
+            ctx.fillEllipse(in: CGRect(x: CGFloat(px) * CGFloat(w) - r, y: (1 - CGFloat(py)) * CGFloat(h) - r, width: 2 * r, height: 2 * r))
+        }
+        n += 1
+        onFrame?(pb, CMClockGetTime(CMClockGetHostTimeClock()), nowUs())
+    }
+}
diff --git a/mac/frame-mac-view/Sources/Controller.swift b/mac/frame-mac-view/Sources/Controller.swift
new file mode 100644
index 0000000..2cb4b3b
--- /dev/null
+++ b/mac/frame-mac-view/Sources/Controller.swift
@@ -0,0 +1,234 @@
+// Adapts each stream to its network, latency first. The viewer acknowledges
+// every frame as it arrives ("rx"); from those acks the controller knows how
+// long frames take to get through and how fast the link delivers them.
+//
+// - The gate: a new frame is sent only while the oldest unacknowledged one is
+//   younger than the path's usual round trip plus a little slack. So frames
+//   never queue up in SSH, TCP or the Wi-Fi driver; while the link is stuck
+//   the newest picture waits and goes out as soon as it moves again.
+// - The bitrate: when frames start queueing (the round trip grows) or the
+//   gate has to hold frames back, it drops to a bit under what the link
+//   actually delivered; once things are clear it probes up again slowly, never
+//   above the quality setting's bitrate (the ceiling).
+// - The tier: as the bitrate falls, fewer frames per second (60, 45, 30), then
+//   a smaller picture (75%, then 50% of the panel's pixels).
+// See docs/mac-in-headset.md ("Adapting to the network"). Thread-safe.
+import Foundation
+
+final class RateController {
+    struct Tier: Equatable {
+        let fps: Int
+        let scale: Double  // of the picture's long side
+    }
+
+    static let tiers = [Tier(fps: 60, scale: 1), Tier(fps: 45, scale: 1), Tier(fps: 30, scale: 1),
+                        Tier(fps: 30, scale: 0.75), Tier(fps: 30, scale: 0.5)]
+    /// A tier is used while the target bitrate is at least this share of the ceiling.
+    static let floors = [0.45, 0.28, 0.16, 0.08, 0]
+    static let enabled = ProcessInfo.processInfo.environment["FRAME_MAC_VIEW_ADAPT"] != "0"
+
+    let maxFps: Int
+    private let lock = NSLock()
+    private var ceiling = 0  // bits/s at full size and frame rate
+    private(set) var target = 0
+    private(set) var tier = 0
+    private var unacked: [(seq: UInt32, sent: Int64, bytes: Int)] = []
+    /// Round trips (send -> ack arrives here), for the baseline: the lowest
+    /// in the last 10 s is the path without any queue.
+    private var rtts: [(t: Int64, v: Int64)] = []
+    private var acked: [(t: Int64, bytes: Int)] = []  // the last second
+    private var sentLog: [(t: Int64, bytes: Int)] = []
+    private var captures: [Int64] = []  // the last second
+    private var frameBytes = 0  // average recent frame, kept while the gate holds everything back
+    private var held = 0  // frames the gate held back since the last update
+    private var lastSignal = false
+    private var sawAck = false
+    private var lastDecrease: Int64 = 0
+    private var lastIncrease: Int64 = 0
+    private var belowSince: Int64 = 0, aboveSince: Int64 = 0
+    /// What changed, for the timeline: (time, event).
+    private(set) var events: [(Int64, String)] = []
+
+    init(maxFps: Int) { self.maxFps = maxFps }
+
+    private func locked<T>(_ f: () -> T) -> T { lock.lock(); defer { lock.unlock() }; return f() }
+
+    /// The quality setting's bitrate at full size; the first call also starts there.
+    func setCeiling(_ bps: Int) {
+        locked {
+            if target == 0 || target > bps { target = bps }
+            ceiling = bps
+        }
+    }
+
+    var fps: Int { locked { fpsLocked } }
+    private var fpsLocked: Int { min(maxFps, RateController.tiers[tier].fps) }
+    var scale: Double { locked { RateController.tiers[tier].scale } }
+    var baseRtt: Int64 { locked { baseline() } }
+
+    private func baseline() -> Int64 { rtts.map(\.v).min() ?? 0 }
+
+    /// How late a frame may be before the gate holds the next one: one frame
+    /// interval, plus room for the jitter this link normally has (1.5 times
+    /// its recent spread), so ordinary Wi-Fi jitter doesn't cost frames but a
+    /// real queue does. Updated in update().
+    private var slack: Int64 = 40_000
+
+    /// Whether a frame may be sent now without queueing behind earlier ones.
+    /// `counts`: a held frame is a sign of congestion (not when merely
+    /// re-checking whether a held frame can go yet).
+    func maySend(now: Int64, counts: Bool = true) -> Bool {
+        locked {
+            guard RateController.enabled, sawAck else { return true }  // not heard from the viewer yet
+            // Unacknowledged for 2 s: gone with a reconnection, not in a queue.
+            unacked.removeAll { now - $0.sent > 2_000_000 }
+            guard let oldest = unacked.first else { return true }
+            // Age is what bounds latency. The count only stops a burst, and it
+            // allows a full round trip of frames, so a long but clear path
+            // (100 ms away) still gets every frame.
+            let interval = Int64(1_000_000 / max(1, fpsLocked))
+            let window = max(3, Int((baseline() + slack) / interval) + 1)
+            if unacked.count < window, now - oldest.sent <= baseline() + slack { return true }
+            if counts { held += 1 }
+            return false
+        }
+    }
+
+    /// A picture was captured (sent or not): with the frame sizes, what this
+    /// stream would send if the link allowed.
+    func captured(at t: Int64) {
+        locked {
+            captures.append(t)
+            if captures.count > 256 { captures.removeFirst(captures.count - 256) }
+        }
+    }
+
+    func sent(seq: UInt32, bytes: Int, at t: Int64) {
+        locked {
+            // Bounded even if the viewer never acknowledges (an old viewer, or
+            // the controller is off).
+            unacked.append((seq, t, bytes))
+            if unacked.count > 512 { unacked.removeFirst(unacked.count - 512) }
+            sentLog.append((t, bytes))
+            if sentLog.count > 1024 { sentLog.removeFirst(sentLog.count - 1024) }
+        }
+    }
+
+    /// The viewer has frame `seq`. Returns true if that may let a held frame go.
+    func acked(seq: UInt32, at now: Int64) -> Bool {
+        locked {
+            sawAck = true
+            guard let i = unacked.firstIndex(where: { $0.seq == seq }) else { return false }
+            let f = unacked[i]
+            unacked.removeSubrange(0...i)  // TCP delivers in order: earlier ones arrived too
+            rtts.append((now, now - f.sent))
+            acked.append((now, f.bytes))
+            return true
+        }
+    }
+
+    /// Called every 100 ms. Returns the new bitrate target, or nil if the
+    /// controller is off.
+    func update(now: Int64) -> Int? {
+        locked {
+            rtts.removeAll { now - $0.t > 10_000_000 }
+            acked.removeAll { now - $0.t > 500_000 }
+            sentLog.removeAll { now - $0.t > 500_000 }
+            unacked.removeAll { now - $0.sent > 2_000_000 }
+            captures.removeAll { now - $0 > 1_000_000 }
+            guard RateController.enabled, ceiling > 0 else { return nil }
+            let base = baseline()
+            let spread = rtts.filter { now - $0.t < 2_000_000 }.map(\.v).sorted()
+            let jitter = spread.isEmpty ? 0 : spread[spread.count * 9 / 10] - base
+            let interval = Int64(1_000_000 / max(1, fpsLocked))
+            slack = interval + min(max(jitter * 3 / 2, 25_000), 80_000)
+            let recent = rtts.filter { now - $0.t < 300_000 }.map(\.v).sorted()
+            let queueing = recent.isEmpty ? 0 : recent[recent.count / 2] - base
+            let oldestAge = unacked.first.map { now - $0.sent } ?? 0
+            let stuck = oldestAge > base + 100_000
+            let delivered = acked.reduce(0) { $0 + $1.bytes } * 16  // bits/s over the last half second
+            let sending = sentLog.reduce(0) { $0 + $1.bytes } * 16
+            // Demand: captures per second (up to the tier's rate) times the
+            // average frame. A test card or a mostly still window wants far
+            // less than its budget; when the link hiccups, cutting its bitrate
+            // can't help, and it would only look link-limited afterwards.
+            if !sentLog.isEmpty { frameBytes = sentLog.reduce(0) { $0 + $1.bytes } / sentLog.count }
+            let demand = min(captures.count, fpsLocked) * frameBytes * 8
+            // Delay alone isn't our queue: Wi-Fi jitters by itself. It only
+            // counts while this stream uses a good part of its budget (so its
+            // own data could be what's queueing). Frames the gate had to hold,
+            // or one stuck in flight, show demand the link isn't carrying
+            // whatever was sent (the gate itself keeps what's sent low).
+            let busy = sending >= target / 2
+            // Twice in a row (200 ms), so one late ack doesn't count.
+            let signal = (busy && queueing > 40_000) || held >= 3 || stuck
+            let congested = signal && lastSignal
+            lastSignal = signal
+            let heldNow = held
+            held = 0
+            let floorBps = 300_000
+            if congested, now - lastDecrease > 300_000 {
+                // Down to a bit under what got through: at least a fifth off, at
+                // most half (a stall delivers nothing, but the link is still there).
+                let measured = Int(Double(delivered) * 0.9)
+                var next = max(floorBps, min(target * 4 / 5, max(measured, target / 2)))
+                // App-limited (it wants about half its budget or less): never
+                // below twice what it wants, however many cuts in a row. The
+                // extra quarter is hysteresis, so frame sizes wobbling at the
+                // floor don't switch the protection off.
+                if demand > 0, demand * 2 <= target * 5 / 4 { next = max(next, min(target, demand * 2)) }
+                target = next
+                lastDecrease = now
+                events.append((now, "down to \(target / 1000) kbit/s: queue \(queueing / 1000) ms, held \(heldNow), "
+                                    + "oldest \(oldestAge / 1000) ms, base \(base / 1000) ms, sent \(sending / 1000) got \(delivered / 1000) "
+                                    + "wants \(demand / 1000)"))
+            } else if !congested, now - lastDecrease > 1_000_000, now - lastIncrease > 250_000, target < ceiling,
+                      sending > target * 6 / 10 || now - lastDecrease > 3_000_000 {
+                // Clear for a second and using what it has: probe up.
+                target = min(ceiling, Int(Double(target) * 1.1) + 50_000)
+                lastIncrease = now
+            }
+            // Fewer frames or pixels only help a stream that fills its budget;
+            // a small one (a still window, a test card) keeps its tier.
+            retier(now: now, linkLimited: sending >= target * 7 / 10)
+            if events.count > 200 { events.removeFirst(events.count - 200) }
+            return target
+        }
+    }
+
+    /// Steps down quickly, straight to the tier the bitrate supports, and back
+    /// up one tier at a time only when there's clearly room (hysteresis).
+    private func retier(now: Int64, linkLimited: Bool) {
+        let share = Double(target) / Double(max(ceiling, 1))
+        if tier < RateController.tiers.count - 1, share < RateController.floors[tier], linkLimited {
+            if belowSince == 0 { belowSince = now }
+            if now - belowSince > 500_000 {
+                tier = RateController.floors.firstIndex { share >= $0 } ?? RateController.tiers.count - 1
+                belowSince = 0
+                events.append((now, "tier \(tier)"))
+            }
+        } else {
+            belowSince = 0
+        }
+        if tier > 0, share > RateController.floors[tier - 1] * 1.25 {
+            if aboveSince == 0 { aboveSince = now }
+            if now - aboveSince > 2_000_000 {
+                tier -= 1
+                aboveSince = 0
+                events.append((now, "tier \(tier)"))
+            }
+        } else {
+            aboveSince = 0
+        }
+    }
+
+    func state() -> [String: Any] {
+        locked {
+            ["target": target, "ceiling": ceiling, "tier": tier, "fps": min(maxFps, RateController.tiers[tier].fps),
+             "scale": RateController.tiers[tier].scale, "baseRtt": Double(baseline()) / 1000,
+             "inFlight": unacked.count, "slack": Double(slack) / 1000, "adapt": RateController.enabled]
+        }
+    }
+
+    func eventList() -> [[String: Any]] { locked { events.map { ["t": $0.0, "e": $0.1] } } }
+}
diff --git a/mac/frame-mac-view/Sources/Encoder.swift b/mac/frame-mac-view/Sources/Encoder.swift
new file mode 100644
index 0000000..d3b507a
--- /dev/null
+++ b/mac/frame-mac-view/Sources/Encoder.swift
@@ -0,0 +1,217 @@
+// VideoToolbox encoding: H.264 for the normal path (hardware, low-latency rate
+// control, no B-frames, Annex B output that WebCodecs takes without a
+// description), or JPEG stills for viewers that can't decode H.264.
+import CoreMedia
+import Foundation
+import VideoToolbox
+
+enum Codec: String {
+    case h264, jpeg
+}
+
+final class Encoder {
+    let codec: Codec
+    let fps: Int
+    let bitsPerPixel: Double
+    private(set) var width = 0
+    private(set) var height = 0
+    private var session: VTCompressionSession?
+    private var forceKey = true
+    private var lastPts = CMTime.invalid
+    private var lastGiven = CMTime.invalid
+    /// Bits per second to aim for; nil means from the size, frame rate and
+    /// bits per pixel. Changing it takes effect on the next frame.
+    private var target: Int?
+    private(set) var bitrate = 0
+    /// Called on VideoToolbox's thread with one access unit (or JPEG) per
+    /// frame, and the sequence number it was submitted with.
+    var onFrame: ((Data, Bool, CMTime, UInt32) -> Void)?
+    var onError: ((String) -> Void)?
+    /// Called once per frame handed to VideoToolbox, however it went.
+    var onDone: ((UInt32) -> Void)?
+    /// Experiment switches (FRAME_MAC_VIEW_ENCODER, comma-separated), so a
+    /// benchmark can compare them without a rebuild.
+    static let options = Set((ProcessInfo.processInfo.environment["FRAME_MAC_VIEW_ENCODER"] ?? "")
+        .split(separator: ",").map(String.init))
+
+    init(codec: Codec, fps: Int, bitsPerPixel: Double) {
+        self.codec = codec
+        self.fps = fps
+        self.bitsPerPixel = bitsPerPixel
+    }
+
+    /// The bitrate the size and quality setting would give.
+    func defaultBitrate(width w: Int, height h: Int) -> Int {
+        Int(min(max(Double(w * h * fps) * bitsPerPixel, 2_000_000), 60_000_000))
+    }
+
+    /// Live, without a new keyframe. Call on the encoding queue.
+    func setBitrate(_ bps: Int?) {
+        target = bps
+        guard codec == .h264, let s = session else { return }
+        let b = bps ?? defaultBitrate(width: width, height: height)
+        guard b != bitrate else { return }
+        bitrate = b
+        VTSessionSetProperty(s, key: kVTCompressionPropertyKey_AverageBitRate, value: b as CFTypeRef)
+        // A hard ceiling too: no more than 200 ms' worth of bits in any 200 ms,
+        // so a keyframe can't hold the link for long.
+        if Encoder.options.contains("cap") {
+            VTSessionSetProperty(s, key: kVTCompressionPropertyKey_DataRateLimits,
+                                 value: [b / 8 / 5, 0.2] as CFArray)
+        }
+    }
+
+    deinit { invalidate() }
+
+    func requestKeyFrame() { forceKey = true }
+
+    func invalidate() {
+        if let s = session {
+            VTCompressionSessionCompleteFrames(s, untilPresentationTimeStamp: .invalid)
+            VTCompressionSessionInvalidate(s)
+        }
+        session = nil
+    }
+
+    private func makeSession(width w: Int, height h: Int) -> Bool {
+        invalidate()
+        var spec: [CFString: Any] = [:]
+        if codec == .h264 { spec[kVTVideoEncoderSpecification_EnableLowLatencyRateControl] = true }
+        if Encoder.options.contains("hw") { spec[kVTVideoEncoderSpecification_RequireHardwareAcceleratedVideoEncoder] = true }
+        var s: VTCompressionSession?
+        let type = codec == .h264 ? kCMVideoCodecType_H264 : kCMVideoCodecType_JPEG
+        func create(_ spec: [CFString: Any]) -> OSStatus {
+            VTCompressionSessionCreate(allocator: nil, width: Int32(w), height: Int32(h), codecType: type,
+                                       encoderSpecification: spec as CFDictionary, imageBufferAttributes: nil,
+                                       compressedDataAllocator: nil, outputCallback: nil, refcon: nil,
+                                       compressionSessionOut: &s)
+        }
+        var err = create(spec)
+        // Low-latency rate control needs Apple's hardware encoder; without it
+        // (some VMs), plain real-time encoding still works.
+        if err != noErr, !spec.isEmpty { err = create([:]) }
+        guard err == noErr, let s else {
+            onError?("couldn't start the \(codec.rawValue) encoder (VideoToolbox \(err))")
+            return false
+        }
+        func set(_ key: CFString, _ value: Any) { VTSessionSetProperty(s, key: key, value: value as CFTypeRef) }
+        set(kVTCompressionPropertyKey_RealTime, true)
+        set(kVTCompressionPropertyKey_ColorPrimaries, kCVImageBufferColorPrimaries_ITU_R_709_2)
+        set(kVTCompressionPropertyKey_TransferFunction, kCVImageBufferTransferFunction_ITU_R_709_2)
+        set(kVTCompressionPropertyKey_YCbCrMatrix, kCVImageBufferYCbCrMatrix_ITU_R_709_2)
+        if codec == .h264 {
+            set(kVTCompressionPropertyKey_ProfileLevel, kVTProfileLevel_H264_ConstrainedHigh_AutoLevel)
+            set(kVTCompressionPropertyKey_AllowFrameReordering, false)
+            set(kVTCompressionPropertyKey_ExpectedFrameRate, fps)
+            if Encoder.options.contains("nodelay") { set(kVTCompressionPropertyKey_MaxFrameDelayCount, 0) }
+            if Encoder.options.contains("speed") { set(kVTCompressionPropertyKey_PrioritizeEncodingSpeedOverQuality, true) }
+            // A keyframe every 10 s at most, so a viewer that lost one recovers
+            // even if it never asks. Viewers ask for one when they start.
+            set(kVTCompressionPropertyKey_MaxKeyFrameIntervalDuration, 10)
+        } else {
+            set(kVTCompressionPropertyKey_Quality, 0.8)
+        }
+        VTCompressionSessionPrepareToEncodeFrames(s)
+        session = s
+        lastPts = .invalid
+        lastGiven = .invalid
+        width = w
+        height = h
+        forceKey = true
+        bitrate = 0
+        setBitrate(target)
+        return true
+    }
+
+    /// False if the frame never reached VideoToolbox (then onDone won't come).
+    @discardableResult
+    func encode(_ pb: CVPixelBuffer, pts given: CMTime, seq: UInt32) -> Bool {
+        // The encoder's own timeline: strictly increasing (a resent picture
+        // stamped "now" can be followed by a capture stamped a moment earlier),
+        // and never more than two frames on from the last one. Rate control
+        // budgets bits by elapsed time, so after a pause (the link held frames
+        // back, or nothing changed) one frame would otherwise get a quarter
+        // second's worth of bits: 200 KB that then hold a slow link for half a second.
+        let w = CVPixelBufferGetWidth(pb), h = CVPixelBufferGetHeight(pb)
+        if session == nil || w != width || h != height {
+            guard makeSession(width: w, height: h) else { return false }  // a new timeline too
+        }
+        guard let s = session else { return false }
+        var pts = given
+        if lastPts.isValid, lastGiven.isValid {
+            let gap = CMTimeSubtract(given, lastGiven)
+            let most = CMTime(value: 2, timescale: CMTimeScale(fps))
+            let step = CMTimeCompare(gap, most) > 0 ? most : gap
+            pts = CMTimeAdd(lastPts, CMTimeMaximum(step, CMTime(value: 1, timescale: 1_000_000)))
+        }
+        lastGiven = given
+        var props: CFDictionary?
+        if forceKey {
+            props = [kVTEncodeFrameOptionKey_ForceKeyFrame: true] as CFDictionary
+            forceKey = false
+        }
+        let codec = self.codec
+        lastPts = pts
+        let status = VTCompressionSessionEncodeFrame(s, imageBuffer: pb, presentationTimeStamp: pts, duration: .invalid,
+                                                     frameProperties: props, infoFlagsOut: nil) { [weak self] status, _, sample in
+            guard let self else { return }
+            defer { self.onDone?(seq) }
+            guard status == noErr, let sample else { return }
+            if codec == .jpeg {
+                if let data = Self.bytes(sample) { self.onFrame?(data, true, pts, seq) }
+            } else if let (data, key) = Self.annexB(sample) {
+                self.onFrame?(data, key, pts, seq)
+            }
+        }
+        if status != noErr { forceKey = true }
+        return status == noErr
+    }
+
+    private static func bytes(_ sample: CMSampleBuffer) -> Data? {
+        guard let block = CMSampleBufferGetDataBuffer(sample) else { return nil }
+        var length = 0
+        var ptr: UnsafeMutablePointer<CChar>?
+        guard CMBlockBufferGetDataPointer(block, atOffset: 0, lengthAtOffsetOut: nil, totalLengthOut: &length,
+                                          dataPointerOut: &ptr) == noErr, let ptr else { return nil }
+        return Data(bytes: ptr, count: length)
+    }
+
+    /// AVCC sample -> Annex B access unit, with SPS and PPS before keyframes.
+    static func annexB(_ sample: CMSampleBuffer) -> (Data, Bool)? {
+        guard let avcc = bytes(sample) else { return nil }
+        var key = true
+        if let atts = CMSampleBufferGetSampleAttachmentsArray(sample, createIfNecessary: false) as? [[CFString: Any]],
+           let first = atts.first, first[kCMSampleAttachmentKey_NotSync] as? Bool == true {
+            key = false
+        }
+        let start: [UInt8] = [0, 0, 0, 1]
+        var out = Data()
+        if key, let fmt = CMSampleBufferGetFormatDescription(sample) {
+            var count = 0
+            CMVideoFormatDescriptionGetH264ParameterSetAtIndex(fmt, parameterSetIndex: 0, parameterSetPointerOut: nil,
+                                                               parameterSetSizeOut: nil, parameterSetCountOut: &count,
+                                                               nalUnitHeaderLengthOut: nil)
+            for i in 0..<count {
+                var p: UnsafePointer<UInt8>?
+                var n = 0
+                if CMVideoFormatDescriptionGetH264ParameterSetAtIndex(fmt, parameterSetIndex: i, parameterSetPointerOut: &p,
+                                                                      parameterSetSizeOut: &n, parameterSetCountOut: nil,
+                                                                      nalUnitHeaderLengthOut: nil) == noErr, let p {
+                    out.append(contentsOf: start)
+                    out.append(p, count: n)
+                }
+            }
+        }
+        let bytes = [UInt8](avcc)
+        var i = 0
+        while i + 4 <= bytes.count {
+            let n = Int(bytes[i]) << 24 | Int(bytes[i + 1]) << 16 | Int(bytes[i + 2]) << 8 | Int(bytes[i + 3])
+            i += 4
+            guard n > 0, i + n <= bytes.count else { break }
+            out.append(contentsOf: start)
+            out.append(contentsOf: bytes[i..<(i + n)])
+            i += n
+        }
+        return (out, key)
+    }
+}
diff --git a/mac/frame-mac-view/Sources/Input.swift b/mac/frame-mac-view/Sources/Input.swift
new file mode 100644
index 0000000..0f51efc
--- /dev/null
+++ b/mac/frame-mac-view/Sources/Input.swift
@@ -0,0 +1,168 @@
+// Turns the viewer's pointer and key events into real Mac input. Needs the
+// Accessibility permission ("control your computer"); without it macOS drops
+// the events silently, so the agent reports the permission to the viewer.
+import AppKit
+import ApplicationServices
+import Foundation
+
+@_silgen_name("_AXUIElementGetWindow")
+private func _AXUIElementGetWindow(_ element: AXUIElement, _ id: UnsafeMutablePointer<CGWindowID>) -> AXError
+
+enum Input {
+    static let source = CGEventSource(stateID: .hidSystemState)
+    /// What each viewer (session id) is holding down, so one panel closing
+    /// lets go of its own keys and buttons and nobody else's. Main thread.
+    private static var buttonsHeld: [Int: Set<Int>] = [:]
+    private static var keysHeld: [Int: Set<CGKeyCode>] = [:]
+
+    private static var lastDown: (time: TimeInterval, point: CGPoint, button: Int, count: Int)?
+
+    static var allowed: Bool { AXIsProcessTrusted() }
+
+    /// Brings a window to the front so a click lands on it, not on whatever
+    /// covers it, and typing goes to it.
+    static func focus(window id: CGWindowID, pid: pid_t) {
+        if frontWindow() == id { return }
+        let app = AXUIElementCreateApplication(pid)
+        var value: CFTypeRef?
+        if AXUIElementCopyAttributeValue(app, kAXWindowsAttribute as CFString, &value) == .success,
+           let windows = value as? [AXUIElement] {
+            for w in windows {
+                var wid: CGWindowID = 0
+                if _AXUIElementGetWindow(w, &wid) == .success, wid == id {
+                    AXUIElementPerformAction(w, kAXRaiseAction as CFString)
+                    AXUIElementSetAttributeValue(w, kAXMainAttribute as CFString, kCFBooleanTrue)
+                    break
+                }
+            }
+        }
+        AXUIElementSetAttributeValue(app, kAXFrontmostAttribute as CFString, kCFBooleanTrue)
+        NSRunningApplication(processIdentifier: pid)?.activate()
+    }
+
+    static func frontWindow() -> CGWindowID? {
+        WindowInfo.all().first { $0.layer == 0 }?.id
+    }
+
+    /// `button` uses the browser's numbering: 0 left, 1 middle, 2 right.
+    static func mouse(_ kind: String, button: Int, at p: CGPoint, owner: Int) {
+        let b: CGMouseButton = button == 2 ? .right : button == 1 ? .center : .left
+        let type: CGEventType
+        switch kind {
+        case "down":
+            type = b == .left ? .leftMouseDown : b == .right ? .rightMouseDown : .otherMouseDown
+            buttonsHeld[owner, default: []].insert(button)
+        case "up":
+            type = b == .left ? .leftMouseUp : b == .right ? .rightMouseUp : .otherMouseUp
+            buttonsHeld[owner]?.remove(button)
+            // Another viewer still holding it keeps it down.
+            if buttonsHeld.values.contains(where: { $0.contains(button) }) { return }
+        default:  // a drag is whatever this viewer is holding
+            let mine = buttonsHeld[owner] ?? []
+            if mine.contains(0) { type = .leftMouseDragged }
+            else if mine.contains(2) { type = .rightMouseDragged }
+            else if mine.contains(1) { type = .otherMouseDragged }
+            else { type = .mouseMoved }
+        }
+        let mine = buttonsHeld[owner] ?? []
+        let held: CGMouseButton = mine.contains(0) ? .left : mine.contains(2) ? .right : mine.contains(1) ? .center : .left
+        guard let e = CGEvent(mouseEventSource: source, mouseType: type, mouseCursorPosition: p,
+                              mouseButton: kind == "move" ? held : b) else { return }
+        if kind == "down" || kind == "up" {
+            let now = ProcessInfo.processInfo.systemUptime
+            var count = 1
+            if kind == "down" {
+                if let l = lastDown, l.button == button, now - l.time < NSEvent.doubleClickInterval,
+                   abs(l.point.x - p.x) < 5, abs(l.point.y - p.y) < 5 { count = l.count + 1 }
+                lastDown = (now, p, button, count)
+            } else if let l = lastDown, l.button == button {
+                count = l.count
+            }
+            e.setIntegerValueField(.mouseEventClickState, value: Int64(count))
+        }
+        e.post(tap: .cghidEventTap)
+    }
+
+    static func scroll(dx: Double, dy: Double, at p: CGPoint, owner: Int) {
+        mouse("move", button: 0, at: p, owner: owner)
+        // Browsers report pixels with +y meaning "scroll down"; macOS's +y is up.
+        guard let e = CGEvent(scrollWheelEvent2Source: source, units: .pixel, wheelCount: 2,
+                              wheel1: Int32(-dy.rounded()), wheel2: Int32(-dx.rounded()), wheel3: 0) else { return }
+        e.location = p
+        e.post(tap: .cghidEventTap)
+    }
+
+    /// Lets go of every button and key this viewer is holding down, so a
+    /// dropped connection can't leave, say, Shift or ⌘ stuck on.
+    static func releaseAll(owner: Int) {
+        let p = CGEvent(source: nil)?.location ?? .zero
+        let buttons = buttonsHeld.removeValue(forKey: owner) ?? []
+        let keys = keysHeld.removeValue(forKey: owner) ?? []
+        // Only what no other viewer is still holding.
+        for b in buttons where !buttonsHeld.values.contains(where: { $0.contains(b) }) {
+            let type: CGEventType = b == 2 ? .rightMouseUp : b == 1 ? .otherMouseUp : .leftMouseUp
+            CGEvent(mouseEventSource: source, mouseType: type, mouseCursorPosition: p,
+                    mouseButton: b == 2 ? .right : b == 1 ? .center : .left)?.post(tap: .cghidEventTap)
+        }
+        for k in keys where !keysHeld.values.contains(where: { $0.contains(k) }) {
+            CGEvent(keyboardEventSource: source, virtualKey: k, keyDown: false)?.post(tap: .cghidEventTap)
+        }
+    }
+
+    static func key(code: String, key: String, down: Bool, mods: [String], owner: Int) {
+        var flags = CGEventFlags()
+        if mods.contains("shift") { flags.insert(.maskShift) }
+        if mods.contains("ctrl") { flags.insert(.maskControl) }
+        if mods.contains("alt") { flags.insert(.maskAlternate) }
+        if mods.contains("meta") { flags.insert(.maskCommand) }
+        if let vk = keyCodes[code] {
+            guard let e = CGEvent(keyboardEventSource: source, virtualKey: vk, keyDown: down) else { return }
+            if down {
+                keysHeld[owner, default: []].insert(vk)
+            } else {
+                keysHeld[owner]?.remove(vk)
+                if keysHeld.values.contains(where: { $0.contains(vk) }) { return }  // still held elsewhere
+            }
+            e.flags = flags
+            e.post(tap: .cghidEventTap)
+        } else if down, !key.isEmpty, key.count <= 4, key.unicodeScalars.allSatisfy({ $0.value >= 0x20 }) {
+            // A key the table doesn't know (a non-US layout, the headset's
+            // on-screen keyboard): type its character instead.
+            text(key)
+        }
+    }
+
+    static func text(_ s: String) {
+        let units = Array(s.utf16)
+        for chunk in stride(from: 0, to: units.count, by: 16) {
+            let part = Array(units[chunk..<min(chunk + 16, units.count)])
+            for down in [true, false] {
+                guard let e = CGEvent(keyboardEventSource: source, virtualKey: 0, keyDown: down) else { continue }
+                e.keyboardSetUnicodeString(stringLength: part.count, unicodeString: part)
+                e.post(tap: .cghidEventTap)
+            }
+        }
+    }
+
+    /// DOM KeyboardEvent.code -> macOS virtual key code (ANSI positions).
+    static let keyCodes: [String: CGKeyCode] = [
+        "KeyA": 0x00, "KeyS": 0x01, "KeyD": 0x02, "KeyF": 0x03, "KeyH": 0x04, "KeyG": 0x05, "KeyZ": 0x06, "KeyX": 0x07,
+        "KeyC": 0x08, "KeyV": 0x09, "IntlBackslash": 0x0A, "KeyB": 0x0B, "KeyQ": 0x0C, "KeyW": 0x0D, "KeyE": 0x0E,
+        "KeyR": 0x0F, "KeyY": 0x10, "KeyT": 0x11, "Digit1": 0x12, "Digit2": 0x13, "Digit3": 0x14, "Digit4": 0x15,
+        "Digit6": 0x16, "Digit5": 0x17, "Equal": 0x18, "Digit9": 0x19, "Digit7": 0x1A, "Minus": 0x1B, "Digit8": 0x1C,
+        "Digit0": 0x1D, "BracketRight": 0x1E, "KeyO": 0x1F, "KeyU": 0x20, "BracketLeft": 0x21, "KeyI": 0x22,
+        "KeyP": 0x23, "Enter": 0x24, "KeyL": 0x25, "KeyJ": 0x26, "Quote": 0x27, "KeyK": 0x28, "Semicolon": 0x29,
+        "Backslash": 0x2A, "Comma": 0x2B, "Slash": 0x2C, "KeyN": 0x2D, "KeyM": 0x2E, "Period": 0x2F, "Tab": 0x30,
+        "Space": 0x31, "Backquote": 0x32, "Backspace": 0x33, "Escape": 0x35, "MetaRight": 0x36, "MetaLeft": 0x37,
+        "ShiftLeft": 0x38, "CapsLock": 0x39, "AltLeft": 0x3A, "ControlLeft": 0x3B, "ShiftRight": 0x3C,
+        "AltRight": 0x3D, "ControlRight": 0x3E, "F17": 0x40, "NumpadDecimal": 0x41, "NumpadMultiply": 0x43,
+        "NumpadAdd": 0x45, "NumLock": 0x47, "NumpadDivide": 0x4B, "NumpadEnter": 0x4C, "NumpadSubtract": 0x4E,
+        "F18": 0x4F, "F19": 0x50, "NumpadEqual": 0x51, "Numpad0": 0x52, "Numpad1": 0x53, "Numpad2": 0x54,
+        "Numpad3": 0x55, "Numpad4": 0x56, "Numpad5": 0x57, "Numpad6": 0x58, "Numpad7": 0x59, "F20": 0x5A,
+        "Numpad8": 0x5B, "Numpad9": 0x5C, "F5": 0x60, "F6": 0x61, "F7": 0x62, "F3": 0x63, "F8": 0x64, "F9": 0x65,
+        "F11": 0x67, "F13": 0x69, "F16": 0x6A, "F14": 0x6B, "F10": 0x6D, "ContextMenu": 0x6E, "F12": 0x6F,
+        "F15": 0x71, "Insert": 0x72, "Help": 0x72, "Home": 0x73, "PageUp": 0x74, "Delete": 0x75, "F4": 0x76,
+        "End": 0x77, "F2": 0x78, "PageDown": 0x79, "F1": 0x7A, "ArrowLeft": 0x7B, "ArrowRight": 0x7C,
+        "ArrowDown": 0x7D, "ArrowUp": 0x7E, "OSLeft": 0x37, "OSRight": 0x36,
+    ]
+}
diff --git a/mac/frame-mac-view/Sources/Separate.swift b/mac/frame-mac-view/Sources/Separate.swift
new file mode 100644
index 0000000..72c02be
--- /dev/null
+++ b/mac/frame-mac-view/Sources/Separate.swift
@@ -0,0 +1,295 @@
+// "Separate" mode: a streamed window gets a virtual display of its own. The
+// window is moved onto it and sized to fill it, and the whole display is
+// captured, so its menus, sheets, popovers and tooltips come along, nothing
+// can cover it, and clicks land on it without raising anything. On stop the
+// window goes back where it was. See docs/mac-window-separation.md.
+import AppKit
+import ApplicationServices
+import CoreMedia
+import Foundation
+
+@_silgen_name("_AXUIElementGetWindow")
+private func axWindowID(_ element: AXUIElement, _ id: UnsafeMutablePointer<CGWindowID>) -> AXError
+
+/// One of our virtual displays, HiDPI (2 pixels per point). Main thread only.
+final class VirtualDisplay {
+    static let vendor: UInt32 = 0xF0C0
+    /// How often macOS composites our displays (FRAME_MAC_VIEW_VD_HZ to experiment).
+    static let refreshRate = Double(ProcessInfo.processInfo.environment["FRAME_MAC_VIEW_VD_HZ"] ?? "") ?? 60
+    private var display: CGVirtualDisplay?
+    let id: CGDirectDisplayID
+    /// Removal is deferred while the Mac's screen sleeps, and an identity
+    /// can't be reused until it's gone, so each display gets a fresh serial.
+    private static var serial = (UInt32(truncatingIfNeeded: ProcessInfo.processInfo.processIdentifier) & 0xFFFF) << 12
+
+    init?(name: String, width: Int, height: Int) {
+        var made: CGVirtualDisplay?
+        for _ in 0..<8 where made == nil {
+            VirtualDisplay.serial &+= 1
+            let d = CGVirtualDisplayDescriptor()
+            d.queue = DispatchQueue.main
+            d.name = name
+            d.maxPixelsWide = UInt32(2 * width)
+            d.maxPixelsHigh = UInt32(2 * height)
+            d.sizeInMillimeters = CGSize(width: Double(width) * 0.2646, height: Double(height) * 0.2646)
+            d.vendorID = VirtualDisplay.vendor
+            d.productID = 0x5E9A
+            d.serialNum = VirtualDisplay.serial
+            d.terminationHandler = { _, _ in }
+            guard let vd = CGVirtualDisplay(descriptor: d) else { continue }
+            let s = CGVirtualDisplaySettings()
+            s.hiDPI = 1
+            let hz = VirtualDisplay.refreshRate
+            s.modes = [CGVirtualDisplayMode(width: UInt32(2 * width), height: UInt32(2 * height), refreshRate: hz)!,
+                       CGVirtualDisplayMode(width: UInt32(width), height: UInt32(height), refreshRate: hz)!]
+            if vd.apply(s), vd.displayID != 0 { made = vd }
+        }
+        guard let made else { return nil }
+        display = made
+        id = made.displayID
+        // Pick the HiDPI mode: `width` points drawn with twice the pixels.
+        let modes = (CGDisplayCopyAllDisplayModes(id, [kCGDisplayShowDuplicateLowResolutionModes: true] as CFDictionary)
+            as? [CGDisplayMode]) ?? []
+        if let hidpi = modes.first(where: {
+            $0.width == width && $0.height == height && $0.pixelWidth == 2 * width && $0.refreshRate == VirtualDisplay.refreshRate
+        }) ?? modes.first(where: { $0.width == width && $0.height == height && $0.pixelWidth == 2 * width }) {
+            var cfg: CGDisplayConfigRef?
+            CGBeginDisplayConfiguration(&cfg)
+            CGConfigureDisplayWithDisplayMode(cfg, id, hidpi, nil)
+            CGCompleteDisplayConfiguration(cfg, .forSession)
+        }
+    }
+
+    var bounds: CGRect { CGDisplayBounds(id) }
+
+    var isHiDPI: Bool { CGDisplayCopyDisplayMode(id).map { $0.pixelWidth > $0.width } ?? false }
+
+    var screen: NSScreen? {
+        NSScreen.screens.first {
+            ($0.deviceDescription[NSDeviceDescriptionKey("NSScreenNumber")] as? NSNumber)?.uint32Value == id
+        }
+    }
+
+    /// Where a window may go, in global (top-left origin) points: the display
+    /// minus its menu bar and anything else macOS reserves there.
+    var usableRect: CGRect {
+        let b = bounds
+        guard let s = screen else { return b }
+        let top = s.frame.maxY - s.visibleFrame.maxY, bottom = s.visibleFrame.minY - s.frame.minY
+        let left = s.visibleFrame.minX - s.frame.minX, right = s.frame.maxX - s.visibleFrame.maxX
+        return CGRect(x: b.minX + left, y: b.minY + top, width: b.width - left - right, height: b.height - top - bottom)
+    }
+
+    func release() { display = nil }
+
+    static func isOurs(_ id: CGDirectDisplayID) -> Bool { CGDisplayVendorNumber(id) == vendor }
+}
+
+/// A window through the Accessibility API.
+struct AXWindow {
+    let element: AXUIElement
+
+    init?(windowID: CGWindowID, pid: pid_t) {
+        let app = AXUIElementCreateApplication(pid)
+        var value: CFTypeRef?
+        guard AXUIElementCopyAttributeValue(app, kAXWindowsAttribute as CFString, &value) == .success,
+              let windows = value as? [AXUIElement] else { return nil }
+        guard let match = windows.first(where: { w in
+            var id: CGWindowID = 0
+            return axWindowID(w, &id) == .success && id == windowID
+        }) else { return nil }
+        element = match
+    }
+
+    var frame: CGRect? {
+        var p: CFTypeRef?, s: CFTypeRef?
+        guard AXUIElementCopyAttributeValue(element, kAXPositionAttribute as CFString, &p) == .success,
+              AXUIElementCopyAttributeValue(element, kAXSizeAttribute as CFString, &s) == .success else { return nil }
+        var point = CGPoint.zero, size = CGSize.zero
+        AXValueGetValue(p as! AXValue, .cgPoint, &point)
+        AXValueGetValue(s as! AXValue, .cgSize, &size)
+        return CGRect(origin: point, size: size)
+    }
+
+    var isFullScreen: Bool {
+        var v: CFTypeRef?
+        return AXUIElementCopyAttributeValue(element, "AXFullScreen" as CFString, &v) == .success && (v as? Bool) == true
+    }
+
+    /// Moving to another display: position first (so the size fits there),
+    /// then size, then position again in case the size change moved it.
+    func setFrame(_ r: CGRect) {
+        var origin = r.origin, size = r.size
+        let pos = AXValueCreate(.cgPoint, &origin)!, sz = AXValueCreate(.cgSize, &size)!
+        AXUIElementSetAttributeValue(element, kAXPositionAttribute as CFString, pos)
+        AXUIElementSetAttributeValue(element, kAXSizeAttribute as CFString, sz)
+        AXUIElementSetAttributeValue(element, kAXPositionAttribute as CFString, pos)
+    }
+}
+
+/// A window on a display of its own, captured as that display.
+final class SeparateSource: CaptureSource {
+    let windowID: CGWindowID
+    var onFrame: ((CVPixelBuffer, CMTime, Int64) -> Void)?
+    var onEnded: ((String) -> Void)?
+    var onChange: (() -> Void)?
+    private(set) var title = ""
+    private(set) var app = ""
+    private(set) var pid: pid_t?
+    private(set) var gone = false
+    private var display: VirtualDisplay?
+    private var inner: SCKSource?
+    private var window: AXWindow?
+    private var original: CGRect?
+    private var crop: CGRect?  // display points, when only part of the display is captured
+    private var poll: DispatchSourceTimer?
+    private var stopped = false
+    private let queue = DispatchQueue(label: "frame-mac-view.separate")
+
+    init(windowID: CGWindowID) { self.windowID = windowID }
+
+    var frameRect: CGRect { inner?.frameRect ?? .zero }
+    var displayID: CGDirectDisplayID? { display?.id }
+
+    func start(maxLong: Int, fps: Int, completion: @escaping (String?) -> Void) {
+        guard AXIsProcessTrusted() else {
+            return completion("Separate windows need the Accessibility permission (to move the window)")
+        }
+        guard let info = WindowInfo.find(windowID) else {
+            gone = true
+            return completion("that window has closed")
+        }
+        title = info.title
+        app = info.app
+        pid = info.pid
+        DispatchQueue.main.async { [self] in
+            guard !stopped else { return }
+            guard let w = AXWindow(windowID: windowID, pid: info.pid), let frame = w.frame else {
+                return completion("couldn't reach that window through Accessibility")
+            }
+            if w.isFullScreen { return completion("take the window out of full screen first") }
+            // A display the window's size, plus room for the menu bar, in
+            // points; within what a panel can show sharply.
+            let width = min(max(Int(frame.width.rounded()), 640), 2560) / 2 * 2
+            let height = min(max(Int(frame.height.rounded()) + 40, 480), 1600) / 2 * 2
+            guard let vd = VirtualDisplay(name: app.isEmpty ? "Frame Control" : "\(app) (Frame)", width: width, height: height) else {
+                return completion("macOS wouldn't create a display for this window")
+            }
+            display = vd
+            window = w
+            original = frame
+            // The new screen shows up in NSScreen a moment later; its menu bar
+            // decides where the window can go.
+            placeWindow(attempt: 0, maxLong: maxLong, fps: fps, completion: completion)
+        }
+    }
+
+    private func placeWindow(attempt: Int, maxLong: Int, fps: Int, completion: @escaping (String?) -> Void) {
+        guard !stopped, let vd = display, let w = window else { return }
+        // Wait for the screen to appear, and for its HiDPI mode, so the
+        // first frames are captured sharp.
+        if vd.screen == nil || !vd.isHiDPI, attempt < 30 {
+            DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
+                self.placeWindow(attempt: attempt + 1, maxLong: maxLong, fps: fps, completion: completion)
+            }
+            return
+        }
+        let target = vd.usableRect
+        w.setFrame(target)
+        guard let now = w.frame, vd.bounds.intersects(now) else {
+            restore()
+            return completion("macOS didn't let the window move to its own display (Stage Manager can prevent this)")
+        }
+        let sck = SCKSource(.display(vd.id))
+        // A window that keeps its own size (Calculator, some dialogs) sits in
+        // the display's top-left corner: send only that corner, menu bar
+        // included, with room around it for menus, not a panel of wallpaper.
+        let b = vd.bounds
+        if now.width < target.width - 8 || now.height < target.height - 8 {
+            let w = min(b.width, max(now.maxX - b.minX, 480)), h = min(b.height, max(now.maxY - b.minY, 360))
+            crop = CGRect(x: 0, y: 0, width: (w / 2).rounded(.up) * 2, height: (h / 2).rounded(.up) * 2)
+            sck.crop = crop
+        }
+        sck.onFrame = { [weak self] pb, pts, shown in self?.onFrame?(pb, pts, shown) }
+        sck.onEnded = { [weak self] reason in self?.onEnded?(reason) }
+        inner = sck
+        sck.start(maxLong: maxLong, fps: fps) { [weak self] error in
+            // Back on main, where stop() runs too, so a viewer that left during
+            // startup can't leave a capture running.
+            DispatchQueue.main.async {
+                guard let self, !self.stopped else { return sck.stop() }
+                if let error {
+                    self.restore()
+                    return completion(error)
+                }
+                self.startPolling()
+                completion(nil)
+            }
+        }
+    }
+
+    /// The window can close or be retitled; ScreenCaptureKit won't say.
+    private func startPolling() {
+        let t = DispatchSource.makeTimerSource(queue: queue)
+        t.schedule(deadline: .now() + 1, repeating: 1)
+        t.setEventHandler { [weak self] in
+            guard let self else { return }
+            guard let info = WindowInfo.find(self.windowID) else {
+                self.gone = true
+                self.onEnded?("the window closed")
+                return
+            }
+            if !info.title.isEmpty, info.title != self.title {
+                self.title = info.title
+                self.onChange?()
+            }
+            // Displays added at the same moment can rearrange each other, and
+            // someone may drag the window away: put it back on its display.
+            if !info.bounds.isEmpty {
+                DispatchQueue.main.async { self.keepOnDisplay(info.bounds) }
+            }
+        }
+        t.resume()
+        poll = t
+    }
+
+    private func keepOnDisplay(_ now: CGRect) {
+        guard !stopped, let vd = display, let w = window else { return }
+        let b = vd.bounds
+        if let c = crop {
+            // Only part of the display is sent: the window must stay inside it.
+            guard !c.offsetBy(dx: b.minX, dy: b.minY).insetBy(dx: -2, dy: -2).contains(now) else { return }
+        } else {
+            guard !b.contains(CGPoint(x: now.midX, y: now.minY + 10)) else { return }
+        }
+        let target = vd.usableRect
+        w.setFrame(CGRect(origin: target.origin, size: now.size.width < target.width - 8 ? now.size : target.size))
+    }
+
+    /// Lifecycle state (stopped, inner, poll, window, display) is only touched on main.
+    func stop() {
+        DispatchQueue.main.async { [self] in
+            stopped = true
+            poll?.cancel()
+            poll = nil
+            inner?.stop()
+            restore()
+        }
+    }
+
+    /// Puts the window back where it was, then removes the display. In that
+    /// order: removing a display first would let macOS pick where it goes.
+    private func restore() {
+        if let w = window, let r = original, WindowInfo.find(windowID) != nil { w.setFrame(r) }
+        window = nil
+        original = nil
+        let vd = display
+        display = nil
+        // Give WindowServer a moment to move the window before the display goes.
+        DispatchQueue.main.asyncAfter(deadline: .now() + 0.3) { vd?.release() }
+    }
+
+    func setMaxLong(_ n: Int) { DispatchQueue.main.async { self.inner?.setMaxLong(n) } }
+
+    func pointer(x: Double, y: Double, text: String?) {}
+}
diff --git a/mac/frame-mac-view/Sources/Server.swift b/mac/frame-mac-view/Sources/Server.swift
new file mode 100644
index 0000000..11c58dc
--- /dev/null
+++ b/mac/frame-mac-view/Sources/Server.swift
@@ -0,0 +1,269 @@
+// A small HTTP/1.1 + WebSocket server on Network.framework, loopback only.
+// Enough for the agent's JSON endpoints, the viewer page and one WebSocket per
+// stream; not a general web server.
+import CryptoKit
+import Foundation
+import Network
+
+struct Request {
+    let method: String
+    let path: String
+    let query: [String: String]
+    let headers: [String: String]  // lower-cased names
+}
+
+final class Server {
+    let queue = DispatchQueue(label: "frame-mac-view.server")
+    private let listener: NWListener
+    private let handle: (Request, HTTPConnection) -> Void
+
+    init(port: UInt16, handle: @escaping (Request, HTTPConnection) -> Void) throws {
+        let tcp = NWProtocolTCP.Options()
+        tcp.noDelay = true
+        let params = NWParameters(tls: nil, tcp: tcp)
+        // Port 0 lets the system pick; `port` then says which.
+        params.requiredLocalEndpoint = .hostPort(host: "127.0.0.1", port: NWEndpoint.Port(rawValue: port) ?? .any)
+        params.allowLocalEndpointReuse = true
+        listener = try NWListener(using: params)
+        self.handle = handle
+    }
+
+    var port: UInt16? { listener.port?.rawValue }
+
+    func start(ready: @escaping (Error?) -> Void) {
+        listener.stateUpdateHandler = { state in
+            switch state {
+            case .ready: ready(nil)
+            case .failed(let e): ready(e)
+            default: break
+            }
+        }
+        listener.newConnectionHandler = { [weak self] conn in
+            guard let self else { return }
+            HTTPConnection(conn, queue: self.queue, handle: self.handle).start()
+        }
+        listener.start(queue: queue)
+    }
+}
+
+final class HTTPConnection {
+    let conn: NWConnection
+    let queue: DispatchQueue
+    private let handle: (Request, HTTPConnection) -> Void
+    private var buffer = Data()
+    private var retained: HTTPConnection?  // alive until the response is sent
+
+    init(_ conn: NWConnection, queue: DispatchQueue, handle: @escaping (Request, HTTPConnection) -> Void) {
+        self.conn = conn
+        self.queue = queue
+        self.handle = handle
+    }
+
+    func start() {
+        retained = self
+        conn.start(queue: queue)
+        readHead()
+    }
+
+    private func readHead() {
+        conn.receive(minimumIncompleteLength: 1, maximumLength: 16384) { [self] data, _, done, error in
+            if let data { buffer.append(data) }
+            if let end = buffer.range(of: Data("\r\n\r\n".utf8)) {
+                guard let req = Self.parse(buffer[..<end.lowerBound]) else { return respond(400, text: "bad request") }
+                handle(req, self)
+            } else if error != nil || done || buffer.count > 16384 {
+                close()
+            } else {
+                readHead()
+            }
+        }
+    }
+
+    static func parse(_ head: Data) -> Request? {
+        guard let text = String(data: head, encoding: .utf8) else { return nil }
+        let lines = text.components(separatedBy: "\r\n")
+        let parts = lines[0].split(separator: " ")
+        guard parts.count >= 2, let url = URLComponents(string: String(parts[1])) else { return nil }
+        var headers: [String: String] = [:]
+        for line in lines.dropFirst() {
+            guard let colon = line.firstIndex(of: ":") else { continue }
+            headers[line[..<colon].lowercased()] = line[line.index(after: colon)...].trimmingCharacters(in: .whitespaces)
+        }
+        var query: [String: String] = [:]
+        for item in url.queryItems ?? [] { query[item.name] = item.value ?? "" }
+        return Request(method: String(parts[0]), path: url.path, query: query, headers: headers)
+    }
+
+    func respond(_ status: Int, body: Data, type: String) {
+        let reason = [200: "OK", 400: "Bad Request", 403: "Forbidden", 404: "Not Found", 409: "Conflict", 500: "Internal Server Error"][status] ?? "Error"
+        var head = "HTTP/1.1 \(status) \(reason)\r\nContent-Type: \(type)\r\nContent-Length: \(body.count)\r\n"
+        head += "Cache-Control: no-store\r\nConnection: close\r\n\r\n"
+        conn.send(content: Data(head.utf8) + body, isComplete: true, completion: .contentProcessed { [self] _ in close() })
+    }
+
+    func respond(_ status: Int, text: String) {
+        respond(status, body: Data(text.utf8), type: "text/plain; charset=utf-8")
+    }
+
+    func respond(_ status: Int = 200, json: Any) {
+        let body = (try? JSONSerialization.data(withJSONObject: json, options: [.sortedKeys])) ?? Data("{}".utf8)
+        respond(status, body: body, type: "application/json")
+    }
+
+    func close() {
+        conn.cancel()
+        retained = nil
+    }
+
+    /// Completes the WebSocket handshake and hands the connection over.
+    func upgrade(_ req: Request) -> WebSocket? {
+        guard req.headers["upgrade"]?.lowercased() == "websocket", let key = req.headers["sec-websocket-key"] else {
+            respond(400, text: "expected a WebSocket upgrade")
+            return nil
+        }
+        let accept = Data(Insecure.SHA1.hash(data: Data((key + "258EAFA5-E914-47DA-95CA-C5AB0DC85B11").utf8))).base64EncodedString()
+        let head = "HTTP/1.1 101 Switching Protocols\r\nUpgrade: websocket\r\nConnection: Upgrade\r\nSec-WebSocket-Accept: \(accept)\r\n\r\n"
+        conn.send(content: Data(head.utf8), completion: .contentProcessed { _ in })
+        let ws = WebSocket(conn, queue: queue)
+        retained = nil
+        return ws
+    }
+}
+
+/// Server side of RFC 6455. Sends are counted until the network stack has
+/// taken them, so the stream can skip frames instead of queueing seconds of
+/// video on a slow link.
+final class WebSocket {
+    static let maxMessage: UInt64 = 1 << 20
+    let conn: NWConnection
+    let queue: DispatchQueue
+    var onText: ((String) -> Void)?
+    var onClose: (() -> Void)?
+    private var buffer = Data()
+    private var fragments = Data()
+    private var fragmentOpcode: UInt8 = 0
+    private var closed = false
+    private var retained: WebSocket?
+    private let lock = NSLock()
+    private var _pending = 0
+    var onDrain: (() -> Void)?
+
+    /// Bytes handed to the connection that it hasn't sent yet. Any thread.
+    var pendingBytes: Int { lock.lock(); defer { lock.unlock() }; return _pending }
+
+    init(_ conn: NWConnection, queue: DispatchQueue) {
+        self.conn = conn
+        self.queue = queue
+    }
+
+    func start() {
+        retained = self
+        read()
+    }
+
+    func sendText(_ s: String) { send(opcode: 1, Data(s.utf8)) }
+    func sendJSON(_ obj: Any) {
+        if let d = try? JSONSerialization.data(withJSONObject: obj), let s = String(data: d, encoding: .utf8) { sendText(s) }
+    }
+    /// `taken` runs once the network stack has taken the whole frame.
+    func sendBinary(_ d: Data, taken: (() -> Void)? = nil) { send(opcode: 2, d, taken: taken) }
+
+    func send(opcode: UInt8, _ payload: Data, taken: (() -> Void)? = nil) {
+        var frame = Data([0x80 | opcode])
+        let n = payload.count
+        if n < 126 {
+            frame.append(UInt8(n))
+        } else if n < 65536 {
+            frame.append(126)
+            frame.append(contentsOf: [UInt8(n >> 8), UInt8(n & 0xff)])
+        } else {
+            frame.append(127)
+            for shift in stride(from: 56, through: 0, by: -8) { frame.append(UInt8((UInt64(n) >> UInt64(shift)) & 0xff)) }
+        }
+        frame.append(payload)
+        let size = frame.count
+        lock.lock(); _pending += size; lock.unlock()
+        conn.send(content: frame, completion: .contentProcessed { [weak self] _ in
+            guard let self else { return }
+            self.lock.lock(); self._pending -= size; self.lock.unlock()
+            taken?()
+            self.onDrain?()
+        })
+    }
+
+    func close() {
+        guard !closed else { return }
+        closed = true
+        send(opcode: 8, Data([0x03, 0xe8]))  // 1000, normal closure
+        conn.send(content: nil, isComplete: true, completion: .contentProcessed { [weak self] _ in self?.conn.cancel() })
+        finish()
+    }
+
+    private func finish() {
+        let cb = onClose
+        onClose = nil
+        onText = nil
+        onDrain = nil
+        cb?()
+        retained = nil
+    }
+
+    private func read() {
+        conn.receive(minimumIncompleteLength: 1, maximumLength: 65536) { [weak self] data, _, done, error in
+            guard let self, !self.closed else { return }
+            if let data { self.buffer.append(data) }
+            self.parse()
+            if error != nil || done {
+                self.closed = true
+                self.conn.cancel()
+                self.finish()
+            } else if !self.closed {
+                self.read()
+            }
+        }
+    }
+
+    private func parse() {
+        while buffer.count >= 2 {
+            let b = [UInt8](buffer.prefix(14))
+            let fin = b[0] & 0x80 != 0, opcode = b[0] & 0x0f, masked = b[1] & 0x80 != 0
+            // Lengths are unsigned and clients only send small control
+            // messages, so anything big (or a 64-bit length with the top bit
+            // set) is refused before it's turned into an Int.
+            var len64 = UInt64(b[1] & 0x7f), off = 2
+            if len64 == 126 {
+                guard b.count >= 4 else { return }
+                len64 = UInt64(b[2]) << 8 | UInt64(b[3]); off = 4
+            } else if len64 == 127 {
+                guard b.count >= 10 else { return }
+                len64 = 0
+                for i in 2..<10 { len64 = len64 << 8 | UInt64(b[i]) }
+                off = 10
+            }
+            guard len64 <= WebSocket.maxMessage else { return close() }
+            let len = Int(len64)
+            let maskOff = off
+            if masked { off += 4 }
+            guard buffer.count >= off + len else { return }
+            let start = buffer.startIndex
+            var payload = Data(buffer[(start + off)..<(start + off + len)])
+            if masked {
+                let mask = [UInt8](buffer[(start + maskOff)..<(start + maskOff + 4)])
+                payload.withUnsafeMutableBytes { p in
+                    for i in 0..<len { p[i] ^= mask[i & 3] }
+                }
+            }
+            buffer.removeFirst(off + len)
+            switch opcode {
+            case 0, 1, 2:
+                if opcode != 0 { fragmentOpcode = opcode; fragments = Data() }
+                guard fragments.count + payload.count <= Int(WebSocket.maxMessage) else { return close() }
+                fragments.append(payload)
+                if fin, fragmentOpcode == 1, let s = String(data: fragments, encoding: .utf8) { onText?(s) }
+            case 8: close(); return
+            case 9: send(opcode: 10, payload)
+            default: break
+            }
+        }
+    }
+}
diff --git a/mac/frame-mac-view/Sources/Stats.swift b/mac/frame-mac-view/Sources/Stats.swift
new file mode 100644
index 0000000..be7d2cb
--- /dev/null
+++ b/mac/frame-mac-view/Sources/Stats.swift
@@ -0,0 +1,180 @@
+// Per-frame timing, so every change to the stream can be judged by numbers.
+// All times are the agent's host clock in microseconds (the clock
+// ScreenCaptureKit stamps frames with). The viewer syncs to it over the
+// WebSocket and reports when each frame arrived, decoded and was drawn.
+import CoreMedia
+import Foundation
+
+private let timebase: mach_timebase_info_data_t = {
+    var t = mach_timebase_info_data_t()
+    mach_timebase_info(&t)
+    return t
+}()
+
+/// Now on the host clock, in microseconds.
+func nowUs() -> Int64 { hostUs(mach_absolute_time()) }
+
+/// A mach_absolute_time value (as in SCStreamFrameInfo.displayTime) in microseconds.
+func hostUs(_ ticks: UInt64) -> Int64 { Int64(ticks / 1000 * UInt64(timebase.numer) / UInt64(timebase.denom)) }
+
+/// A host-clock CMTime (ScreenCaptureKit's presentation times) in microseconds.
+func hostUs(_ t: CMTime) -> Int64 { t.isValid ? Int64(CMTimeGetSeconds(t) * 1_000_000) : nowUs() }
+
+/// One frame's journey. Zero means "didn't happen" or "not reported yet".
+struct FrameRecord {
+    var seq: UInt32 = 0
+    var key = false
+    var bytes = 0
+    var width = 0, height = 0
+    var capture: Int64 = 0  // the Mac composited it (display time)
+    var arrived: Int64 = 0  // ScreenCaptureKit handed it to us
+    var encodeStart: Int64 = 0
+    var encodeEnd: Int64 = 0
+    var sent: Int64 = 0  // handed to the WebSocket
+    var wire: Int64 = 0  // the socket took it
+    var received: Int64 = 0  // viewer, agent clock
+    var decoded: Int64 = 0
+    var drawn: Int64 = 0
+    var vsync: Int64 = 0  // the viewer's next animation frame after drawing it
+    var echo: UInt32 = 0  // the first frame after input `echo`
+    var tier = 0
+    var bitrate = 0
+
+    var json: [String: Any] {
+        ["s": seq, "k": key ? 1 : 0, "b": bytes, "w": width, "h": height, "cap": capture, "arr": arrived,
+         "e0": encodeStart, "e1": encodeEnd, "snd": sent, "wire": wire, "rx": received, "dec": decoded,
+         "drw": drawn, "vs": vsync, "echo": echo, "tier": tier, "br": bitrate]
+    }
+}
+
+/// One input event from the viewer and what came of it.
+struct InputRecord {
+    var id: UInt32
+    var kind: String
+    var viewer: Int64  // the viewer's event time, agent clock
+    var injected: Int64 = 0  // posted as a CGEvent
+    var frame: UInt32 = 0  // first frame captured after it (0: none yet)
+    var capture: Int64 = 0
+
+    var json: [String: Any] {
+        ["id": id, "kind": kind, "tv": viewer, "inj": injected, "frame": frame, "cap": capture]
+    }
+}
+
+func percentile(_ sorted: [Double], _ p: Double) -> Double? {
+    guard !sorted.isEmpty else { return nil }
+    let i = min(sorted.count - 1, max(0, Int((p * Double(sorted.count - 1)).rounded())))
+    return sorted[i]
+}
+
+/// Frames and inputs of one stream, kept for the last few thousand frames.
+/// Any thread.
+final class StreamStats {
+    static let capacity = 4096
+    private let lock = NSLock()
+    private var frames = [FrameRecord?](repeating: nil, count: StreamStats.capacity)
+    private var inputs: [UInt32: InputRecord] = [:]
+    private var inputOrder: [UInt32] = []
+    private(set) var nextSeq: UInt32 = 1
+    var captured = 0  // frames ScreenCaptureKit delivered
+    var skipped = 0  // held back from encoding (link, encoder, pacing or gate busy); only the newest may go later
+    var viewerDropped = 0  // not shown by the viewer (behind, or waiting for a keyframe)
+    var rtt: Double = 0  // ms, the viewer's best recent ping
+    var clockSynced = false
+    var decoder = ""  // what the viewer reports about its decoder
+
+    func withLock<T>(_ f: () -> T) -> T { lock.lock(); defer { lock.unlock() }; return f() }
+
+    func newFrame(_ r: FrameRecord) -> UInt32 {
+        withLock {
+            var r = r
+            r.seq = nextSeq
+            nextSeq &+= 1
+            frames[Int(r.seq) % StreamStats.capacity] = r
+            return r.seq
+        }
+    }
+
+    func update(_ seq: UInt32, _ f: (inout FrameRecord) -> Void) {
+        withLock {
+            let i = Int(seq) % StreamStats.capacity
+            guard var r = frames[i], r.seq == seq else { return }
+            f(&r)
+            frames[i] = r
+        }
+    }
+
+    func frame(_ seq: UInt32) -> FrameRecord? {
+        withLock {
+            let r = frames[Int(seq) % StreamStats.capacity]
+            return r?.seq == seq ? r : nil
+        }
+    }
+
+    func addInput(_ r: InputRecord) {
+        withLock {
+            inputs[r.id] = r
+            inputOrder.append(r.id)
+            if inputOrder.count > 512 { inputs[inputOrder.removeFirst()] = nil }
+        }
+    }
+
+    func updateInput(_ id: UInt32, _ f: (inout InputRecord) -> Void) {
+        withLock { if var r = inputs[id] { f(&r); inputs[id] = r } }
+    }
+
+    /// Frames with seq > `since` that were sent at least `settle` µs ago, so
+    /// the viewer has had time to report on them.
+    func settled(since: UInt32, settle: Int64 = 1_500_000) -> [FrameRecord] {
+        let cutoff = nowUs() - settle
+        return withLock {
+            frames.compactMap { $0 }.filter { $0.seq > since && $0.sent > 0 && $0.sent < cutoff }.sorted { $0.seq < $1.seq }
+        }
+    }
+
+    func inputList() -> [InputRecord] { withLock { inputOrder.compactMap { inputs[$0] } } }
+
+    /// Percentiles over the last `window` µs, for /status and the overlay.
+    func summary(window: Int64 = 2_000_000) -> [String: Any] {
+        let now = nowUs(), from = now - window
+        let recent = withLock { frames.compactMap { $0 }.filter { $0.sent > from } }
+        func ms(_ pick: (FrameRecord) -> (Int64, Int64)) -> [String: Double] {
+            let v = recent.compactMap { r -> Double? in
+                let (a, b) = pick(r)
+                return a > 0 && b > 0 ? Double(b - a) / 1000 : nil
+            }.sorted()
+            guard !v.isEmpty else { return [:] }
+            return ["p50": (percentile(v, 0.5)! * 10).rounded() / 10, "p95": (percentile(v, 0.95)! * 10).rounded() / 10]
+        }
+        let secs = Double(window) / 1_000_000
+        let shown = recent.filter { $0.vsync > 0 }.count
+        let bytes = recent.reduce(0) { $0 + $1.bytes }
+        var s: [String: Any] = [
+            "capture": ms { ($0.capture, $0.arrived) },
+            "queue": ms { ($0.arrived, $0.encodeStart) },
+            "encode": ms { ($0.encodeStart, $0.encodeEnd) },
+            "network": ms { ($0.encodeEnd, $0.received) },
+            "decode": ms { ($0.received, $0.decoded) },
+            "draw": ms { ($0.decoded, $0.vsync) },
+            "total": ms { ($0.capture, $0.vsync) },
+            "fps": (Double(shown) / secs * 10).rounded() / 10,
+            "sentFps": (Double(recent.count) / secs * 10).rounded() / 10,
+            "mbps": (Double(bytes * 8) / secs / 1e5).rounded() / 10,
+            "rtt": (rtt * 10).rounded() / 10,
+            "synced": clockSynced,
+        ]
+        withLock {
+            s["captured"] = captured
+            s["skipped"] = skipped
+            s["dropped"] = viewerDropped
+            s["decoder"] = decoder
+            let done = inputOrder.suffix(20).compactMap { inputs[$0] }.compactMap { i -> Double? in
+                guard i.frame != 0, let f = frames[Int(i.frame) % StreamStats.capacity], f.seq == i.frame, f.vsync > 0
+                else { return nil }
+                return Double(f.vsync - i.viewer) / 1000
+            }.sorted()
+            if !done.isEmpty { s["input"] = ["p50": percentile(done, 0.5)!, "n": done.count] }
+        }
+        return s
+    }
+}
diff --git a/mac/frame-mac-view/Sources/main.swift b/mac/frame-mac-view/Sources/main.swift
new file mode 100644
index 0000000..5eb0f70
--- /dev/null
+++ b/mac/frame-mac-view/Sources/main.swift
@@ -0,0 +1,755 @@
+// frame-mac-view: streams Mac windows or displays to viewers on the Steam
+// Frame and plays their pointer and key input back on the Mac.
+//
+//   frame-mac-view serve --port 47811 --page ui/mac-view.html   (token in FRAME_MAC_VIEW_TOKEN)
+//   frame-mac-view windows | displays | permissions              (JSON on stdout)
+//   frame-mac-view request-permissions                           (shows macOS's prompts)
+//
+// It listens on 127.0.0.1 only. Frame Control reaches it from the Frame
+// through an SSH reverse tunnel, and every request must carry the token.
+//
+// HTTP. Frame Control's key (?k=, from FRAME_MAC_VIEW_TOKEN) never leaves the
+// Mac; the Frame gets a single-use ticket per viewer instead.
+//   GET  /ping, /view                     open: tunnel check, viewer page
+//   GET  /stream?src=...&t=TICKET|r=KEY   WebSocket (&codec=h264|jpeg&max=&fps=&bpp=)
+//   GET  /status, /windows, /displays     ?k=: permissions, streams, sources
+//   POST /ticket?src=...                  ?k=: a ticket for one viewer of src
+//   POST /close[?src=...]                 ?k=: end those streams, close their windows
+//   POST /permissions                     ?k=: show macOS's permission prompts
+//   GET  /stats[?id=&since=]              ?k=: per-frame timing records (for benchmarks)
+//   POST /bench?src=&action=...           ?k=: ask viewers of src to type, click or show their overlay
+// src is window:<CGWindowID>, display:<CGDirectDisplayID> or test.
+import AppKit
+import ApplicationServices
+import Foundation
+import IOKit.pwr_mgt
+import ScreenCaptureKit
+import Security
+
+let version = "1"
+
+func windowsJSON() -> [[String: Any]] {
+    let me = ProcessInfo.processInfo.processIdentifier
+    let skip: Set<String> = ["Window Server", "Dock", "Control Centre", "Control Center", "Notification Centre",
+                             "Notification Center", "Spotlight", "SystemUIServer", "Wallpaper", "WindowManager"]
+    return WindowInfo.all().filter {
+        $0.layer == 0 && $0.pid != me && !skip.contains($0.app) && $0.bounds.width >= 120 && $0.bounds.height >= 80
+    }.map {
+        ["id": $0.id, "src": "window:\($0.id)", "pid": $0.pid, "app": $0.app, "title": $0.title,
+         "w": Int($0.bounds.width), "h": Int($0.bounds.height)]
+    }
+}
+
+func displaysJSON() -> [[String: Any]] {
+    var ids = [CGDirectDisplayID](repeating: 0, count: 16)
+    var n: UInt32 = 0
+    // Online, not active: a display that's asleep is still one you can stream.
+    CGGetOnlineDisplayList(16, &ids, &n)
+    return ids.prefix(Int(n)).filter {
+        CGDisplayMirrorsDisplay($0) == kCGNullDirectDisplay && !VirtualDisplay.isOurs($0)  // not a separated window's
+    }.map { id in
+        let b = CGDisplayBounds(id)
+        return ["id": id, "src": "display:\(id)", "name": displayName(id), "w": Int(b.width), "h": Int(b.height),
+                "main": CGDisplayIsMain(id) != 0]
+    }
+}
+
+func permissionsJSON() -> [String: Any] {
+    ["screen": CGPreflightScreenCaptureAccess(), "accessibility": AXIsProcessTrusted()]
+}
+
+func printJSON(_ obj: Any) {
+    let d = (try? JSONSerialization.data(withJSONObject: obj, options: [.sortedKeys, .prettyPrinted])) ?? Data()
+    FileHandle.standardOutput.write(d + Data("\n".utf8))
+}
+
+/// A number from a JSON message, whatever its JSON type.
+func num(_ v: Any?) -> Double? { (v as? NSNumber)?.doubleValue }
+
+/// One viewer watching one source.
+final class Session {
+    let id: Int
+    let source: Source
+    let capture: CaptureSource
+    let encoder: Encoder
+    let ws: WebSocket
+    let codec: Codec
+    let reconnectKey: String
+    let stats = StreamStats()
+    let controller: RateController
+    private var appliedScale = 1.0
+    private var lastSubmit: Int64 = 0
+    private var paceScheduled = false
+    private let lock = NSLock()
+    /// A captured picture waiting to be encoded (or the last one encoded).
+    private struct Picture {
+        let pb: CVPixelBuffer
+        let pts: CMTime
+        let capture: Int64
+        let arrived: Int64
+        var echo: UInt32  // the input this picture is the first reply to
+    }
+    private var last: Picture?
+    private var skipped = false
+    private var stopped = false
+    private var inFlight = 0
+    /// Input posted to the Mac whose effect hasn't been captured yet: the
+    /// next picture composited after `after` is tagged with it.
+    private var pendingEcho: (id: UInt32, after: Int64)?
+    private var statsTimer: DispatchSourceTimer?
+    /// Frames already queued for the network; beyond this, or with two frames
+    /// already in the encoder, new frames are skipped (before encoding, so no
+    /// reference frame goes missing) and the newest picture is sent once
+    /// things catch up. Only that newest picture is kept meanwhile.
+    let maxPending: Int
+    static let maxInFlight = 2
+    var onEnd: ((Session) -> Void)?
+    var onAck: (() -> Void)?
+    var onFinished: ((String) -> Void)?
+    private let encodeQueue = DispatchQueue(label: "frame-mac-view.encode", qos: .userInteractive)
+
+    init(id: Int, source: Source, capture: CaptureSource, ws: WebSocket, codec: Codec, fps: Int, bitsPerPixel: Double,
+         reconnectKey: String) {
+        self.id = id
+        self.source = source
+        self.capture = capture
+        self.ws = ws
+        self.codec = codec
+        self.reconnectKey = reconnectKey
+        encoder = Encoder(codec: codec, fps: fps, bitsPerPixel: bitsPerPixel)
+        controller = RateController(maxFps: fps)
+        maxPending = codec == .jpeg ? 3 << 20 : 1 << 20
+    }
+
+    /// Frames come faster than the current tier's frame rate: this one waits,
+    /// and goes when its turn comes (unless a newer one replaces it).
+    /// Call with `lock` held.
+    private func paced(now: Int64) -> Bool {
+        let fps = controller.fps
+        guard fps < controller.maxFps, lastSubmit > 0 else { return false }
+        let interval = Int64(1_000_000 / fps), due = lastSubmit + interval * 9 / 10
+        guard now < due else { return false }
+        if !paceScheduled {
+            paceScheduled = true
+            encodeQueue.asyncAfter(deadline: .now() + .microseconds(Int(due - now))) { [weak self] in
+                guard let self else { return }
+                self.lock.lock(); self.paceScheduled = false; self.lock.unlock()
+                self.resendIfRoom()
+            }
+        }
+        return true
+    }
+
+    /// Encodes `pb` unless the link or the encoder is busy, in which case it
+    /// becomes the picture to send next.
+    private func offer(_ pb: CVPixelBuffer, pts: CMTime, capture shown: Int64) {
+        let arrived = nowUs()
+        stats.withLock { stats.captured += 1 }
+        controller.captured(at: arrived)
+        lock.lock()
+        // A reply to input stays with whichever picture ends up being sent.
+        var echo = skipped ? last?.echo ?? 0 : 0
+        if let p = pendingEcho, shown >= p.after {
+            echo = p.id
+            pendingEcho = nil
+        }
+        let picture = Picture(pb: pb, pts: pts, capture: shown, arrived: arrived, echo: echo)
+        last = picture
+        let busy = stopped || ws.pendingBytes > maxPending || inFlight >= Session.maxInFlight
+            || paced(now: arrived) || !controller.maySend(now: arrived)
+        if busy { skipped = true } else { inFlight += 1; last?.echo = 0; lastSubmit = arrived }
+        lock.unlock()
+        if busy { stats.withLock { stats.skipped += 1 } } else { submit(picture) }
+    }
+
+    private func submit(_ p: Picture) {
+        encodeQueue.async {
+            var r = FrameRecord()
+            r.capture = p.capture
+            r.arrived = p.arrived
+            r.echo = p.echo
+            r.bitrate = self.encoder.bitrate
+            r.tier = self.controller.tier
+            r.encodeStart = nowUs()
+            let seq = self.stats.newFrame(r)
+            if p.echo != 0 { self.stats.updateInput(p.echo) { $0.frame = seq; $0.capture = p.capture } }
+            if !self.encoder.encode(p.pb, pts: p.pts, seq: seq) { self.finished() }
+        }
+    }
+
+    /// An encode finished (or failed): send the newest skipped picture if
+    /// there's room now.
+    private func finished() {
+        lock.lock()
+        inFlight = max(0, inFlight - 1)
+        lock.unlock()
+        resendIfRoom()
+    }
+
+    private func resendIfRoom() {
+        lock.lock()
+        var next: Picture?
+        let now = nowUs()
+        if !stopped, skipped, ws.pendingBytes <= maxPending / 2, inFlight < Session.maxInFlight, let l = last,
+           !paced(now: now), controller.maySend(now: now, counts: false) {
+            next = l
+            skipped = false
+            inFlight += 1
+            last?.echo = 0
+            lastSubmit = now
+        }
+        lock.unlock()
+        // Stamped now: VideoToolbox needs increasing times, and the capture
+        // time stays in the record, so the wait counts as latency.
+        if let p = next {
+            submit(Picture(pb: p.pb, pts: CMClockGetTime(CMClockGetHostTimeClock()), capture: p.capture,
+                           arrived: p.arrived, echo: p.echo))
+        }
+    }
+
+    func start(maxLong: Int, fps: Int) {
+        encoder.onFrame = { [weak self] data, key, pts, seq in
+            guard let self else { return }
+            let t = nowUs()
+            // The quality setting's bitrate, at full size, is the most it gets.
+            if self.appliedScale == 1 {
+                self.controller.setCeiling(self.encoder.defaultBitrate(width: self.encoder.width, height: self.encoder.height))
+            }
+            self.controller.sent(seq: seq, bytes: data.count + 17, at: t)
+            var echo: UInt32 = 0
+            let (w, h) = (self.encoder.width, self.encoder.height)
+            self.stats.update(seq) {
+                $0.encodeEnd = t
+                $0.sent = t
+                $0.bytes = data.count
+                $0.key = key
+                $0.width = w
+                $0.height = h
+                echo = $0.echo
+            }
+            // Header: flags (1 = keyframe), pts µs, sequence number, and the
+            // input this frame is the first reply to; all big-endian.
+            var msg = Data(capacity: data.count + 17)
+            msg.append(key ? 1 : 0)
+            var us = UInt64(max(0, CMTimeGetSeconds(pts)) * 1_000_000).bigEndian
+            msg.append(Data(bytes: &us, count: 8))
+            var s = seq.bigEndian, e = echo.bigEndian
+            msg.append(Data(bytes: &s, count: 4))
+            msg.append(Data(bytes: &e, count: 4))
+            msg.append(data)
+            let stats = self.stats
+            self.ws.sendBinary(msg) { stats.update(seq) { $0.wire = nowUs() } }
+        }
+        encoder.onDone = { [weak self] _ in self?.finished() }
+        encoder.onError = { [weak self] message in self?.ws.sendJSON(["t": "error", "message": message]) }
+        capture.onFrame = { [weak self] pb, pts, shown in self?.offer(pb, pts: pts, capture: shown) }
+        capture.onEnded = { [weak self] reason in
+            guard let self else { return }
+            self.ws.sendJSON(["t": "closed", "reason": reason])
+            self.onFinished?(self.source.key)
+            self.end()
+        }
+        ws.onDrain = { [weak self] in self?.resendIfRoom() }
+        ws.onText = { [weak self] text in self?.handle(text) }
+        ws.onClose = { [weak self] in self?.end() }
+        ws.start()
+        // Reconnect with this (kept in the page's memory, never on a command line).
+        ws.sendJSON(["t": "hello", "r": reconnectKey])
+        capture.onChange = { [weak self] in self?.sendInfo() }
+        // The numbers, for the viewer's overlay.
+        // Adapt ten times a second; the numbers go to the viewer once a second.
+        let t = DispatchSource.makeTimerSource(queue: encodeQueue)
+        t.schedule(deadline: .now() + 0.1, repeating: 0.1)
+        var ticks = 0
+        t.setEventHandler { [weak self] in
+            guard let self, !self.isStopped else { return }
+            self.adapt(maxLong: maxLong)
+            ticks += 1
+            guard ticks % 10 == 0 else { return }
+            var s = self.stats.summary()
+            s.merge(self.controller.state()) { a, _ in a }
+            s["t"] = "stats"
+            s["bitrate"] = self.encoder.bitrate
+            s["size"] = "\(self.encoder.width)×\(self.encoder.height)"
+            self.ws.sendJSON(s)
+        }
+        t.resume()
+        statsTimer = t
+        capture.start(maxLong: maxLong, fps: fps) { [weak self] error in
+            guard let self else { return }
+            if let error {
+                if self.capture.gone {
+                    // Final, like a window closing mid-stream: the viewer closes
+                    // and its key is revoked, rather than retrying for ever.
+                    self.ws.sendJSON(["t": "closed", "reason": error])
+                    self.onFinished?(self.source.key)
+                } else {
+                    self.ws.sendJSON(["t": "error", "message": error])
+                }
+                self.end()
+                return
+            }
+            self.sendInfo()
+        }
+    }
+
+    /// Applies the controller's bitrate and tier. On the encoding queue.
+    private func adapt(maxLong: Int) {
+        guard let bps = controller.update(now: nowUs()) else { return }
+        encoder.setBitrate(bps)
+        let scale = controller.scale
+        if scale != appliedScale {
+            appliedScale = scale
+            capture.setMaxLong(max(320, Int(Double(maxLong) * scale)))
+        }
+        resendIfRoom()  // a lower tier may let a held frame go now
+    }
+
+    /// While someone is typing or clicking, the viewer sends a tiny message this
+    /// often (ms, 0 = off), so the Frame's Wi-Fi doesn't doze between the input
+    /// and the frame that answers it (power saving is on there).
+    static let warmMs = Int(ProcessInfo.processInfo.environment["FRAME_MAC_VIEW_WARM"] ?? "") ?? 0
+
+    func sendInfo() {
+        ws.sendJSON(["t": "info", "src": source.key, "title": capture.title, "app": capture.app, "codec": codec.rawValue,
+                     "input": source == .test || Input.allowed, "warm": Session.warmMs,
+                     "aspect": Double(capture.frameRect.width / max(capture.frameRect.height, 1))])
+    }
+
+    var isStopped: Bool { lock.lock(); defer { lock.unlock() }; return stopped }
+
+    func end() {
+        lock.lock()
+        let was = stopped
+        stopped = true
+        last = nil
+        lock.unlock()
+        guard !was else { return }
+        statsTimer?.cancel()
+        capture.stop()
+        encodeQueue.async { self.encoder.invalidate() }
+        let owner = id
+        DispatchQueue.main.async { Input.releaseAll(owner: owner) }
+        ws.close()
+        onEnd?(self)
+    }
+
+    /// A point in the picture (0...1 each way) -> Mac global coordinates.
+    private func point(_ x: Double, _ y: Double) -> CGPoint {
+        let r = capture.frameRect
+        return CGPoint(x: r.minX + min(max(x, 0), 1) * r.width, y: r.minY + min(max(y, 0), 1) * r.height)
+    }
+
+    /// Input with an id (from the viewer) has been posted: the next picture
+    /// the Mac composites is its first chance to show.
+    private func injected(_ m: [String: Any], kind: String) {
+        guard let iid = (m["i"] as? NSNumber)?.uint32Value, iid != 0 else { return }
+        let now = nowUs()
+        stats.addInput(InputRecord(id: iid, kind: kind, viewer: Int64(num(m["tv"]) ?? 0), injected: now))
+        lock.lock(); pendingEcho = (iid, now); lock.unlock()
+    }
+
+    /// Timing reports from the viewer, in the agent's clock.
+    private func report(_ t: String, _ m: [String: Any]) -> Bool {
+        switch t {
+        case "ping":
+            ws.sendJSON(["t": "pong", "c": m["c"] ?? 0, "a": nowUs()])
+        case "rx":
+            guard let s = (m["s"] as? NSNumber)?.uint32Value else { break }
+            if let r = num(m["r"]) { stats.update(s) { $0.received = Int64(r) } }
+            if controller.acked(seq: s, at: nowUs()) { resendIfRoom() }
+        case "fd":
+            for f in m["f"] as? [[NSNumber]] ?? [] where f.count >= 4 {
+                stats.update(f[0].uint32Value) {
+                    $0.decoded = f[1].int64Value
+                    $0.drawn = f[2].int64Value
+                    $0.vsync = f[3].int64Value
+                }
+            }
+            let dropped = Int(num(m["drop"]) ?? 0)
+            stats.withLock { stats.viewerDropped += dropped }
+        case "w":
+            break  // keep-warm filler, see sendInfo
+        case "clock":
+            stats.withLock {
+                stats.rtt = num(m["rtt"]) ?? 0
+                stats.clockSynced = true
+                if let d = m["dec"] as? String { stats.decoder = d }
+            }
+        default:
+            return false
+        }
+        return true
+    }
+
+    /// Asks the viewer to do something for a benchmark (type, click, show its overlay).
+    func bench(_ m: [String: Any]) { ws.sendJSON(m.merging(["t": "bench"]) { a, _ in a }) }
+
+    private func handle(_ text: String) {
+        guard !isStopped, let d = text.data(using: .utf8),
+              let m = try? JSONSerialization.jsonObject(with: d) as? [String: Any], let t = m["t"] as? String else { return }
+        if report(t, m) { return }
+        let x = m["x"] as? Double ?? -1, y = m["y"] as? Double ?? -1
+        if t == "ack" {
+            onAck?()
+            onAck = nil
+            return
+        }
+        if t == "key-frame" {
+            encodeQueue.async { self.encoder.requestKeyFrame() }  // before the resend, same queue
+            lock.lock(); skipped = last != nil; lock.unlock()
+            resendIfRoom()
+            return
+        }
+        if source == .test {
+            let desc: String?
+            switch t {
+            case "m": desc = (m["e"] as? String) == "move" ? nil : "mouse \(m["e"] ?? "") button \(m["b"] ?? 0)"
+            case "wheel": desc = "wheel \(m["dx"] ?? 0), \(m["dy"] ?? 0)"
+            case "k": desc = (m["e"] as? String) == "down" ? "key \(m["code"] ?? "") \"\(m["key"] ?? "")\"" : nil
+            case "text": desc = "text \"\(m["s"] ?? "")\""
+            default: desc = nil
+            }
+            capture.pointer(x: x, y: y, text: desc)
+            if desc != nil { injected(m, kind: t) }
+            return
+        }
+        DispatchQueue.main.async { [self] in
+            guard !isStopped else { return }  // Stop revokes input at once
+            switch t {
+            case "m":
+                let kind = m["e"] as? String ?? "move", b = m["b"] as? Int ?? 0
+                let p = point(x, y)
+                if kind == "down", case .window(let wid) = source, let pid = capture.pid {
+                    Input.focus(window: wid, pid: pid)
+                }
+                Input.mouse(kind, button: b, at: p, owner: id)
+                if kind == "down" { injected(m, kind: "click") }
+            case "wheel":
+                Input.scroll(dx: m["dx"] as? Double ?? 0, dy: m["dy"] as? Double ?? 0, at: point(x, y), owner: id)
+                injected(m, kind: "wheel")
+            case "k":
+                let down = (m["e"] as? String) == "down"
+                Input.key(code: m["code"] as? String ?? "", key: m["key"] as? String ?? "",
+                          down: down, mods: m["mods"] as? [String] ?? [], owner: id)
+                if down { injected(m, kind: "key") }
+            case "text":
+                if let s = m["s"] as? String, s.count <= 4096 { Input.text(s); injected(m, kind: "text") }
+            case "release":
+                Input.releaseAll(owner: id)
+            case "focus":
+                if case .window(let wid) = source, let pid = capture.pid { Input.focus(window: wid, pid: pid) }
+            default: break
+            }
+        }
+    }
+}
+
+func randomKey() -> String {
+    var bytes = [UInt8](repeating: 0, count: 24)
+    _ = SecRandomCopyBytes(kSecRandomDefault, bytes.count, &bytes)
+    return Data(bytes).base64EncodedString().replacingOccurrences(of: "+", with: "-")
+        .replacingOccurrences(of: "/", with: "_").replacingOccurrences(of: "=", with: "")
+}
+
+func sameSecret(_ a: String, _ b: String) -> Bool {
+    guard !a.isEmpty, a.utf8.count == b.utf8.count else { return false }
+    return zip(a.utf8, b.utf8).reduce(0, { $0 | ($1.0 ^ $1.1) }) == 0
+}
+
+final class Agent {
+    /// Frame Control's own key. It stays on the Mac: the Frame only ever sees
+    /// single-use tickets and per-stream reconnect keys, both tied to one source.
+    let token: String
+    let page: URL?
+    var sessions: [Int: Session] = [:] { didSet { keepDisplayAwake(!sessions.isEmpty) } }
+    var nextId = 1
+    let lock = NSLock()
+    private var assertion: IOPMAssertionID = 0
+    /// ticket -> (source, expiry, reconnect key once redeemed). A ticket opens
+    /// one viewer within a minute; it may be redeemed again, for the same key,
+    /// only until that viewer confirms it has the key ("ack").
+    private var tickets: [String: (src: String, expiry: Date, key: String?)] = [:]
+    /// reconnect key -> source, until Stop for that source.
+    private var reconnectKeys: [String: String] = [:]
+    /// Sources that ended for good (the window closed), for Frame Control.
+    private var finished = Set<String>()
+
+    /// Ends every stream, then exits once separated windows are back on the
+    /// Mac's own screens (they're moved back, then their displays go 0.3 s later).
+    /// Idempotent: SIGTERM and the parent going away can both call it, and a
+    /// session already ended by /close may still be putting its window back.
+    private var quitting = false
+    func quit() {
+        lock.lock()
+        let all = Array(sessions.values), again = quitting
+        quitting = true
+        lock.unlock()
+        guard !again else { return }
+        for s in all { s.ws.sendJSON(["t": "close"]); s.end() }
+        DispatchQueue.main.asyncAfter(deadline: .now() + 0.8) { exit(0) }
+    }
+
+    /// While anyone watches, keep the Mac's display on: a sleeping display
+    /// stops being drawn, so there'd be nothing to capture (and it would lock).
+    private func keepDisplayAwake(_ on: Bool) {
+        if on, assertion == 0 {
+            IOPMAssertionCreateWithName(kIOPMAssertionTypePreventUserIdleDisplaySleep as CFString,
+                                        IOPMAssertionLevel(kIOPMAssertionLevelOn),
+                                        "Frame Control is showing this Mac in a Steam Frame" as CFString, &assertion)
+        } else if !on, assertion != 0 {
+            IOPMAssertionRelease(assertion)
+            assertion = 0
+        }
+    }
+
+    init(token: String, page: URL?) {
+        self.token = token
+        self.page = page
+    }
+
+    /// Whether this request may open a stream of `src`: Frame Control's key,
+    /// an unused ticket for that source, or a live reconnect key for it.
+    private func mayStream(_ req: Request, src: String) -> String? {
+        lock.lock()
+        defer { lock.unlock() }
+        let now = Date()
+        tickets = tickets.filter { $0.value.expiry > now }
+        if sameSecret(req.query["k"] ?? "", token) { return randomKey() }
+        if let t = req.query["t"], let entry = tickets[t], entry.src == src {
+            // A retry before the viewer got its key gets the same key back.
+            let key = entry.key ?? randomKey()
+            tickets[t] = (src, entry.expiry, key)
+            reconnectKeys[key] = src
+            return key
+        }
+        if let r = req.query["r"], reconnectKeys[r] == src { return r }
+        return nil
+    }
+
+    /// The viewer has its reconnect key, so the ticket that led to it can't
+    /// be used again (also when the ack comes over a reconnection).
+    func acknowledged(key: String) {
+        lock.lock(); tickets = tickets.filter { $0.value.key != key }; lock.unlock()
+    }
+
+    func handle(_ req: Request, _ c: HTTPConnection) {
+        // Open to anything that reaches the port: a liveness check for the
+        // tunnel, and the viewer page, which holds no secrets.
+        switch (req.method, req.path) {
+        case ("GET", "/ping"): return c.respond(200, text: "frame-mac-view")
+        case ("GET", "/view"):
+            guard let page, let body = try? Data(contentsOf: page) else { return c.respond(404, text: "no viewer page") }
+            return c.respond(200, body: body, type: "text/html; charset=utf-8")
+        case ("GET", "/stream"):
+            guard let src = Source(req.query["src"] ?? "") else { return c.respond(400, text: "bad src") }
+            guard let key = mayStream(req, src: src.key) else { return c.respond(403, text: "forbidden") }
+            return stream(req, c, src: src, key: key)
+        default: break
+        }
+        guard sameSecret(req.query["k"] ?? req.headers["x-token"] ?? "", token) else {
+            return c.respond(403, text: "forbidden")
+        }
+        switch (req.method, req.path) {
+        case ("GET", "/status"):
+            lock.lock()
+            let list = sessions.values.map { s -> [String: Any] in
+                var e: [String: Any] = ["id": s.id, "src": s.source.key, "title": s.capture.title, "app": s.capture.app,
+                                        "stats": s.stats.summary(), "bitrate": s.encoder.bitrate,
+                                        "controller": s.controller.state()]
+                if let d = (s.capture as? SeparateSource)?.displayID { e["display"] = d }
+                return e
+            }
+            lock.unlock()
+            var s = permissionsJSON()
+            s["version"] = version
+            s["streams"] = list
+            lock.lock(); s["finished"] = Array(finished); lock.unlock()
+            c.respond(json: s)
+        case ("GET", "/windows"):
+            c.respond(json: ["windows": windowsJSON(), "screen": CGPreflightScreenCaptureAccess()])
+        case ("GET", "/displays"):
+            c.respond(json: ["displays": displaysJSON()])
+        case ("POST", "/ticket"):
+            guard let src = Source(req.query["src"] ?? "") else { return c.respond(400, text: "bad src") }
+            let t = randomKey()
+            lock.lock()
+            tickets[t] = (src.key, Date().addingTimeInterval(60), nil)
+            finished.remove(src.key)
+            lock.unlock()
+            c.respond(json: ["ticket": t])
+        case ("POST", "/close"):
+            // Tell viewers to close their windows, but don't rely on them:
+            // the sessions end here and can't reconnect.
+            let src = req.query["src"]
+            lock.lock()
+            let matching = sessions.values.filter { src == nil || $0.source.key == src }
+            reconnectKeys = reconnectKeys.filter { src != nil && $0.value != src }
+            tickets = tickets.filter { src != nil && $0.value.src != src }  // not yet used ones too
+            lock.unlock()
+            for s in matching { s.ws.sendJSON(["t": "close"]) }
+            DispatchQueue.global().asyncAfter(deadline: .now() + 0.3) { for s in matching { s.end() } }
+            c.respond(json: ["closed": matching.count])
+        case ("GET", "/stats"):
+            // Frames the viewer has had time to report on, oldest first.
+            let since = UInt32(req.query["since"] ?? "") ?? 0
+            let settle = Int64(req.query["settle"] ?? "") ?? 1_500_000
+            lock.lock()
+            let list = sessions.values.filter { req.query["id"] == nil || "\($0.id)" == req.query["id"] }
+            lock.unlock()
+            c.respond(json: ["now": nowUs(), "streams": list.map { s -> [String: Any] in
+                ["id": s.id, "src": s.source.key, "frames": s.stats.settled(since: since, settle: settle).map(\.json),
+                 "inputs": s.stats.inputList().map(\.json), "summary": s.stats.summary(),
+                 "captured": s.stats.withLock { s.stats.captured }, "controller": s.controller.state(),
+                 "events": s.controller.eventList()]
+            }])
+        case ("POST", "/bench"):
+            lock.lock()
+            let list = sessions.values.filter { $0.source.key == req.query["src"] }
+            lock.unlock()
+            var m: [String: Any] = [:]
+            for (k, v) in req.query where k != "k" && k != "src" { m[k] = Double(v) ?? v as Any }
+            for s in list { s.bench(m) }
+            c.respond(json: ["sent": list.count])
+        case ("GET", "/snapshot"):
+            // One JPEG of a display (for checks and thumbnails): ?display=ID
+            guard let id = UInt32(req.query["display"] ?? "") else { return c.respond(400, text: "display=ID") }
+            snapshot(display: id) { data, error in
+                if let data { c.respond(200, body: data, type: "image/jpeg") } else { c.respond(500, text: error ?? "failed") }
+            }
+        case ("POST", "/permissions"):
+            DispatchQueue.main.async { requestPermissions() }
+            c.respond(json: permissionsJSON())
+        default:
+            c.respond(404, text: "not found")
+        }
+    }
+
+    private func stream(_ req: Request, _ c: HTTPConnection, src: Source, key: String) {
+        let codec = Codec(rawValue: req.query["codec"] ?? "h264") ?? .h264
+        let maxLong = min(max(Int(req.query["max"] ?? "") ?? 1920, 320), 3840)
+        let fps = min(max(Int(req.query["fps"] ?? "") ?? 60, 5), 120)
+        let bpp = min(max(Double(req.query["bpp"] ?? "") ?? 0.1, 0.02), 0.5)
+        guard let ws = c.upgrade(req) else { return }
+        let capture: CaptureSource
+        switch src {
+        case .test: capture = TestSource()
+        case .separate(let id): capture = SeparateSource(windowID: id)
+        default: capture = SCKSource(src)
+        }
+        lock.lock()
+        // One live viewer per key: a reconnection (or a second use of an
+        // unacknowledged ticket) replaces the one before.
+        let replaced = sessions.values.filter { $0.reconnectKey == key }
+        let session = Session(id: nextId, source: src, capture: capture, ws: ws, codec: codec, fps: fps,
+                              bitsPerPixel: bpp, reconnectKey: key)
+        nextId += 1
+        sessions[session.id] = session
+        lock.unlock()
+        for old in replaced { old.end() }
+        session.onEnd = { [weak self] s in
+            guard let self else { return }
+            self.lock.lock(); self.sessions[s.id] = nil; self.lock.unlock()
+        }
+        // The source is gone (its window closed): its viewers can't come back.
+        session.onFinished = { [weak self] src in
+            guard let self else { return }
+            self.lock.lock()
+            self.finished.insert(src)
+            self.reconnectKeys = self.reconnectKeys.filter { $0.value != src }
+            self.lock.unlock()
+        }
+        session.onAck = { [weak self] in self?.acknowledged(key: key) }
+        session.start(maxLong: maxLong, fps: fps)
+    }
+}
+
+func snapshot(display id: CGDirectDisplayID, completion: @escaping (Data?, String?) -> Void) {
+    SCShareableContent.getExcludingDesktopWindows(false, onScreenWindowsOnly: true) { content, error in
+        guard let d = content?.displays.first(where: { $0.displayID == id }) else {
+            return completion(nil, error?.localizedDescription ?? "no such display")
+        }
+        let filter = SCContentFilter(display: d, excludingWindows: [])
+        let cfg = SCStreamConfiguration()
+        cfg.width = Int(Double(d.width) * Double(filter.pointPixelScale))
+        cfg.height = Int(Double(d.height) * Double(filter.pointPixelScale))
+        cfg.showsCursor = true
+        SCScreenshotManager.captureImage(contentFilter: filter, configuration: cfg) { image, error in
+            guard let image else { return completion(nil, error?.localizedDescription ?? "no image") }
+            let rep = NSBitmapImageRep(cgImage: image)
+            completion(rep.representation(using: .jpeg, properties: [.compressionFactor: 0.85]), nil)
+        }
+    }
+}
+
+func requestPermissions() {
+    if !CGPreflightScreenCaptureAccess() { CGRequestScreenCaptureAccess() }
+    if !AXIsProcessTrusted() {
+        AXIsProcessTrustedWithOptions([kAXTrustedCheckOptionPrompt.takeUnretainedValue() as String: true] as CFDictionary)
+    }
+}
+
+func argument(_ name: String, in args: [String]) -> String? {
+    guard let i = args.firstIndex(of: name), i + 1 < args.count else { return nil }
+    return args[i + 1]
+}
+
+let args = Array(CommandLine.arguments.dropFirst())
+switch args.first {
+case "windows":
+    printJSON(["windows": windowsJSON(), "screen": CGPreflightScreenCaptureAccess()])
+case "displays":
+    printJSON(["displays": displaysJSON()])
+case "permissions":
+    printJSON(permissionsJSON())
+case "request-permissions":
+    requestPermissions()
+    printJSON(permissionsJSON())
+case "serve":
+    let port = UInt16(argument("--port", in: args) ?? "") ?? 0
+    let token = ProcessInfo.processInfo.environment["FRAME_MAC_VIEW_TOKEN"] ?? ""
+    guard !token.isEmpty else {
+        FileHandle.standardError.write(Data("frame-mac-view: set FRAME_MAC_VIEW_TOKEN\n".utf8))
+        exit(2)
+    }
+    let page = argument("--page", in: args).map { URL(fileURLWithPath: $0) }
+    let agent = Agent(token: token, page: page)
+    // Quit when the parent goes away (it holds our stdin open), or on SIGTERM,
+    // but first end every stream, so separated windows go back where they
+    // were before their displays disappear.
+    if args.contains("--exit-on-eof") {
+        DispatchQueue.global().async {
+            while FileHandle.standardInput.availableData.count > 0 {}
+            agent.quit()
+        }
+    }
+    signal(SIGTERM, SIG_IGN)
+    let sigterm = DispatchSource.makeSignalSource(signal: SIGTERM, queue: .main)
+    sigterm.setEventHandler { agent.quit() }
+    sigterm.resume()
+    let server: Server
+    do {
+        server = try Server(port: port) { req, c in agent.handle(req, c) }
+    } catch {
+        FileHandle.standardError.write(Data("frame-mac-view: \(error)\n".utf8))
+        exit(1)
+    }
+    server.start { [server] error in
+        if let error {
+            FileHandle.standardError.write(Data("frame-mac-view: can't listen on 127.0.0.1:\(port): \(error)\n".utf8))
+            exit(1)
+        }
+        print("frame-mac-view listening on 127.0.0.1:\(server.port ?? port)")
+        fflush(stdout)
+    }
+    // A real (background, no Dock icon) AppKit event loop, not just a run
+    // loop: without it this process never hears that displays were added or
+    // changed mode, so NSScreen and CGDisplayCopyDisplayMode stay stale for
+    // the displays Separate mode creates.
+    let app = NSApplication.shared
+    app.setActivationPolicy(.prohibited)
+    withExtendedLifetime((server, sigterm)) { app.run() }
+default:
+    FileHandle.standardError.write(Data("usage: frame-mac-view serve|windows|displays|permissions|request-permissions\n".utf8))
+    exit(2)
+}
diff --git a/mac/frame-mac-view/build.sh b/mac/frame-mac-view/build.sh
new file mode 100755
index 0000000..f391a58
--- /dev/null
+++ b/mac/frame-mac-view/build.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+# Builds the Mac streaming agent into mac/bin/frame-mac-view (arm64, macOS 14+).
+# Frame Control runs it for "Mac in the headset"; the Electron app bundles it.
+set -eu
+here=$(cd "$(dirname "$0")" && pwd)
+out=${1:-$here/../bin/frame-mac-view}
+mkdir -p "$(dirname "$out")"
+xcrun swiftc -O -swift-version 5 -target arm64-apple-macos14.0 \
+  -import-objc-header "$here/Sources/CGVirtualDisplay.h" \
+  -o "$out" "$here"/Sources/*.swift
+echo "built $out"
diff --git a/mac/frame-mac-view/lab.sh b/mac/frame-mac-view/lab.sh
new file mode 100755
index 0000000..11440d4
--- /dev/null
+++ b/mac/frame-mac-view/lab.sh
@@ -0,0 +1,50 @@
+#!/bin/sh
+# Wraps the agent in "Frame Mac View Lab.app" for testing from a terminal or
+# an agent session: macOS then asks for Screen Recording and Accessibility
+# for this app rather than for the terminal. Signed with an Apple Development
+# identity if there is one, so the permissions survive rebuilds.
+#   mac/frame-mac-view/lab.sh            build the app into mac/bin/
+#   mac/frame-mac-view/lab.sh serve      also start it (token, port and log in ~/Library/Caches/frame-mac-view-lab,
+#                                        readable only by you: the token opens every window and injects input)
+#   mac/frame-mac-view/lab.sh serve-only restart it without rebuilding
+set -eu
+here=$(cd "$(dirname "$0")" && pwd)
+app="$here/../bin/Frame Mac View Lab.app"
+if [ "${1:-}" != serve-only ]; then
+  mkdir -p "$app/Contents/MacOS"
+  sh "$here/build.sh" "$app/Contents/MacOS/frame-mac-view" >/dev/null
+  cat > "$app/Contents/Info.plist" <<PLIST
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0"><dict>
+<key>CFBundleIdentifier</key><string>com.saphid.frame-mac-view-lab</string>
+<key>CFBundleExecutable</key><string>frame-mac-view</string>
+<key>CFBundleName</key><string>Frame Mac View Lab</string>
+<key>CFBundlePackageType</key><string>APPL</string>
+<key>CFBundleShortVersionString</key><string>1</string>
+<key>LSUIElement</key><true/>
+<key>NSScreenCaptureUsageDescription</key><string>Tests streaming Mac windows into the Steam Frame.</string>
+</dict></plist>
+PLIST
+  id=$(security find-identity -v -p codesigning 2>/dev/null | awk '/Apple Development/ {print $2; exit}')
+  codesign -f -s "${id:--}" "$app" >/dev/null 2>&1
+  echo "built $app (signed ${id:-ad hoc})"
+fi
+if [ "${1:-}" = serve ] || [ "${1:-}" = serve-only ]; then
+  pkill -f "Frame Mac View Lab.app/Contents/MacOS/frame-mac-view" 2>/dev/null || true
+  dir="$HOME/Library/Caches/frame-mac-view-lab"
+  mkdir -p "$dir" && chmod 700 "$dir"
+  umask 077
+  token=$(openssl rand -hex 16)
+  rm -f "$dir/token" "$dir/port" "$dir/log"
+  echo "$token" > "$dir/token"
+  : > "$dir/log"
+  # Experiment switches pass through: FRAME_MAC_VIEW_ENCODER (Encoder.swift),
+  # _VD_HZ (Separate.swift), _ADAPT (Controller.swift), _WARM (main.swift).
+  open -n "$app" --env "FRAME_MAC_VIEW_TOKEN=$token" --env "FRAME_MAC_VIEW_ENCODER=${FRAME_MAC_VIEW_ENCODER:-}" --env "FRAME_MAC_VIEW_VD_HZ=${FRAME_MAC_VIEW_VD_HZ:-}" \
+    --env "FRAME_MAC_VIEW_ADAPT=${FRAME_MAC_VIEW_ADAPT:-}" --env "FRAME_MAC_VIEW_WARM=${FRAME_MAC_VIEW_WARM:-}" --stdout "$dir/log" --stderr "$dir/log" \
+    --args serve --port 0 --page "$here/../../ui/mac-view.html"
+  for _ in 1 2 3 4 5 6 7 8 9 10; do grep -q listening "$dir/log" && break; sleep 0.3; done
+  sed -n 's/.*127\.0\.0\.1:\([0-9]*\).*/\1/p' "$dir/log" | head -n 1 > "$dir/port"
+  echo "lab on 127.0.0.1:$(cat "$dir/port")"
+fi
diff --git a/scripts/macview-bench.py b/scripts/macview-bench.py
new file mode 100755
index 0000000..cffa8b5
--- /dev/null
+++ b/scripts/macview-bench.py
@@ -0,0 +1,847 @@
+#!/usr/bin/env python3
+"""Benchmark "Mac in the headset" on the real Frame, so every change to the
+stream is judged by numbers (docs/mac-in-headset.md, "Measuring").
+
+  scripts/macview-bench.py run [--scenario test,scroll,type] [--net 8] [--label x]
+  scripts/macview-bench.py compare bench/results/A.json bench/results/B.json
+  scripts/macview-bench.py ab --arm off:FRAME_MAC_VIEW_ADAPT=0 --arm on: --repeat 3 --scenario scroll
+
+`run` uses the lab agent (mac/frame-mac-view/lab.sh serve), which has
+Screen Recording and Accessibility. It opens a viewer on the Frame the way
+Frame Control does, drives a fixed scenario, and reads the agent's per-frame
+records: when the Mac composited each frame, when it was encoded and sent,
+and when the viewer received, decoded and drew it (the viewer's clock is
+synced to the Mac's). "content" is Mac composited -> drawn in the viewer;
+what the Frame's compositor adds after that is reported ("present",
+"fps_shown") but not graded, because an unworn Frame throttles panels to
+36 fps (15 in standby) after a few seconds whatever they draw. It writes a summary to bench/results/ and exits 1 if a
+target is missed ("bad"), or if --baseline is given and a key number got
+more than 10% worse.
+
+Wi-Fi changes from minute to minute, so single runs taken at different times
+can differ by more than a change does. `ab` restarts the lab agent with each
+arm's settings (environment variables read by the agent), runs the arms
+interleaved, and prints each metric's median and range per arm.
+
+Nobody needs to wear the headset. The scroll and type scenarios open a
+throwaway Chrome window (its own profile in /tmp) on the Mac.
+
+Network conditions come from a relay on the Mac between the agent and the
+tunnel, so they need no sudo:
+  --net 8                8 Mbit/s the whole run
+  --net 50@0,8@10,50@20  50 Mbit/s, 8 from 10 s, back to 50 from 20 s
+  --delay 30             30 ms more one-way delay
+The relay holds at most --buffer ms of data at the current rate (default
+250 ms, like a bloated Wi-Fi queue), then pushes back on the agent.
+
+Stdlib only.
+"""
+import argparse
+import asyncio
+import datetime
+import json
+import os
+import platform
+import re
+import statistics
+import subprocess
+import sys
+import threading
+import time
+import urllib.request
+from pathlib import Path
+from urllib.parse import quote, urlencode  # %20, not +: the agent's URLComponents keeps +
+
+ROOT = Path(__file__).resolve().parent.parent
+sys.path.insert(0, str(ROOT / "ui"))
+import frame_macview  # noqa: E402
+
+RESULTS = ROOT / "bench" / "results"
+PAGES = ROOT / "bench" / "pages"
+CHROME = "/Applications/Google Chrome.app/Contents/MacOS/Google Chrome"
+CHROME_PROFILE = "/tmp/fmv-bench-chrome"
+LAB_DIR = Path.home() / "Library" / "Caches" / "frame-mac-view-lab"  # lab.sh serve
+
+# The acceptance bar (the handoff's targets): (feels local, acceptable) per
+# metric; worse than acceptable is "bad". Latencies in ms.
+TARGETS = {
+    "content_p50": (25, 60), "content_p95": (40, 100),
+    "input_p50": (50, 100), "input_p95": (70, 150),
+    "fps": (58, 45),  # higher is better
+    "late_pct": (1, 5), "stall_max": (100, 250),
+    "adapt_s": (1, 3),
+}
+HIGHER_IS_BETTER = {"fps"}
+# Content that changes every frame, so fps and stalls mean something.
+MOVING = {"test", "scroll"}
+
+
+def ms(a, b):
+    return (b - a) / 1000 if a and b else None
+
+
+def pct(values, p):
+    v = sorted(x for x in values if x is not None)
+    if not v:
+        return None
+    return round(v[min(len(v) - 1, max(0, round(p * (len(v) - 1))))], 1)
+
+
+def dist(values):
+    v = [x for x in values if x is not None]
+    return {"p50": pct(v, 0.5), "p95": pct(v, 0.95), "p99": pct(v, 0.99), "n": len(v)} if v else {"n": 0}
+
+
+# ---- the network relay ----
+
+class Relay:
+    """Agent <-> tunnel, shaping the agent-to-Frame direction: a bottleneck
+    of `rate` Mbit/s with a queue of `buffer_ms`, plus `delay` ms each way."""
+
+    def __init__(self, target_port, schedule, delay_ms=0, buffer_ms=250):
+        self.target_port = target_port
+        self.schedule = schedule  # [(seconds from start, Mbit/s or None)]
+        self.delay = delay_ms / 1000
+        self.buffer_ms = buffer_ms
+        self.rate = schedule[0][1] if schedule else None
+        self.next_free = 0.0
+        self.port = None
+        self.loop = asyncio.new_event_loop()
+        # Connections reset when a run tears the tunnel down; that's expected.
+        self.loop.set_exception_handler(lambda loop, ctx: None if isinstance(ctx.get("exception"), ConnectionError)
+                                        else loop.default_exception_handler(ctx))
+        self.started = None
+        self.queued_max = 0
+
+    def start(self):
+        ready = threading.Event()
+
+        def run():
+            asyncio.set_event_loop(self.loop)
+            server = self.loop.run_until_complete(asyncio.start_server(self._client, "127.0.0.1", 0))
+            self.port = server.sockets[0].getsockname()[1]
+            ready.set()
+            self.loop.run_forever()
+
+        threading.Thread(target=run, daemon=True).start()
+        ready.wait(5)
+
+    def begin(self):
+        """Start the schedule's clock (when the measured part begins)."""
+        self.started = time.monotonic()
+        for at, rate in self.schedule:
+            self.loop.call_soon_threadsafe(self.loop.call_later, at, self._set_rate, rate)
+
+    def _set_rate(self, rate):
+        self.rate = rate
+
+    def rate_at(self, t):
+        r = None
+        for at, rate in self.schedule:
+            if t >= at:
+                r = rate
+        return r
+
+    async def _client(self, reader, writer):
+        try:
+            up_r, up_w = await asyncio.open_connection("127.0.0.1", self.target_port)
+        except OSError:
+            writer.close()
+            return
+        await asyncio.gather(self._shaped(up_r, writer), self._plain(reader, up_w), return_exceptions=True)
+        for w in (writer, up_w):
+            w.close()
+
+    async def _plain(self, reader, writer):  # Frame -> agent: delay only
+        if not self.delay:
+            while data := await reader.read(65536):
+                writer.write(data)
+                await writer.drain()
+            writer.close()
+            return
+        # Each chunk leaves `delay` after it arrived, while reading goes on:
+        # a delay line, not a pause (which would add up behind a busy stream).
+        queue = asyncio.Queue()
+
+        async def send():
+            while (item := await queue.get())[1] is not None:
+                wait = item[0] - self.loop.time()
+                if wait > 0:
+                    await asyncio.sleep(wait)
+                writer.write(item[1])
+                await writer.drain()
+            writer.close()
+
+        async def pump():
+            try:
+                while data := await reader.read(65536):
+                    await queue.put((self.loop.time() + self.delay, data))
+            finally:  # EOF or a reset: either way the sender finishes and closes
+                queue.put_nowait((0, None))
+
+        sender, pumper = asyncio.ensure_future(send()), asyncio.ensure_future(pump())
+        done, _ = await asyncio.wait({sender, pumper}, return_when=asyncio.FIRST_COMPLETED)
+        if sender in done:  # the agent's side went away: stop reading, so the connection closes
+            pumper.cancel()
+            writer.close()
+            return
+        await sender  # the viewer's side ended: deliver what's queued first
+
+    async def _shaped(self, reader, writer):  # agent -> Frame
+        queue = asyncio.Queue()
+        state = {"bytes": 0}
+        room = asyncio.Event()
+        room.set()
+
+        async def send():
+            while True:
+                at, data = await queue.get()
+                if data is None:
+                    return
+                wait = at - self.loop.time()
+                if wait > 0:
+                    await asyncio.sleep(wait)
+                writer.write(data)
+                await writer.drain()
+                state["bytes"] -= len(data)
+                room.set()
+
+        sender = asyncio.ensure_future(send())
+        while data := await reader.read(16384):
+            now = self.loop.time()
+            depart = now
+            if self.rate:
+                depart = max(now, self.next_free) + len(data) * 8 / (self.rate * 1e6)
+                self.next_free = depart
+            state["bytes"] += len(data)
+            self.queued_max = max(self.queued_max, state["bytes"])
+            await queue.put((depart + self.delay, data))
+            # A full queue pushes back, as a real bottleneck's buffer does.
+            while self.rate and state["bytes"] > self.rate * 1e6 / 8 * self.buffer_ms / 1000:
+                room.clear()
+                await room.wait()
+        await queue.put((0, None))
+        await sender
+
+
+# ---- the lab agent, through Frame Control's own code ----
+
+class LabView(frame_macview.MacView):
+    """MacView against the already-running lab agent, with the tunnel
+    pointing at `tunnel_port` (the relay, or the agent itself)."""
+
+    def __init__(self, tunnel_ssh, run, frame, agent_port, token, tunnel_port):
+        super().__init__(tunnel_ssh, run, frame)
+        self.agent_port = agent_port
+        self.token = token
+        self.port = tunnel_port
+
+        class Alive:
+            def poll(self):
+                return None
+
+        self.agent = Alive()
+
+    def ensure_agent(self):
+        pass
+
+    def call(self, path, method="GET", **query):
+        url = f"http://127.0.0.1:{self.agent_port}{path}?{urlencode({**query, 'k': self.token}, quote_via=quote)}"
+        req = urllib.request.Request(url, method=method, data=b"" if method == "POST" else None)
+        with urllib.request.urlopen(req, timeout=15) as r:
+            return json.load(r)
+
+
+def ssh_runner(base):
+    def run(remote, stdin=None, timeout=30):
+        r = subprocess.run([*base, remote], input=stdin, capture_output=True, text=True, timeout=timeout)
+        if r.returncode:
+            e = RuntimeError((r.stderr or r.stdout).strip())
+            e.stdout = r.stdout
+            raise e
+        return r.stdout
+    return run
+
+
+# ---- CPU on both ends ----
+
+FRAME_CPU = r"""
+hz=$(getconf CLK_TCK)
+while :; do
+  t=$(date +%s.%N)
+  for g in viewer:frame-control/mac-view tailscaled:tailscaled sshd:'^sshd' gamescope:'^gamescope'; do
+    name=${g%%:*} pat=${g#*:} sum=0
+    for p in $(pgrep -f "$pat"); do
+      s=$(awk '{print $14+$15}' /proc/$p/stat 2>/dev/null) && sum=$((sum + s))
+    done
+    echo "$t $name $sum $hz"
+  done
+  echo "$t total $(awk '/^cpu /{print $2+$3+$4+$6+$7+$8}' /proc/stat) $hz"
+  sleep 2
+done
+"""
+
+
+class CpuSampler:
+    def __init__(self, frame_ssh, agent_pid):
+        self.agent_pid = agent_pid
+        self.mac = []  # (t, cpu seconds)
+        self.frame = {}  # name -> [(t, ticks, hz)]
+        self.proc = subprocess.Popen([*frame_ssh, "bash -s"], stdin=subprocess.PIPE, stdout=subprocess.PIPE,
+                                     stderr=subprocess.DEVNULL, text=True)
+        self.proc.stdin.write(FRAME_CPU)
+        self.proc.stdin.close()
+        threading.Thread(target=self._read, daemon=True).start()
+        self.stop_flag = False
+        threading.Thread(target=self._mac, daemon=True).start()
+
+    def _read(self):
+        for line in self.proc.stdout:
+            parts = line.split()
+            if len(parts) == 4:
+                self.frame.setdefault(parts[1], []).append((float(parts[0]), int(parts[2]), int(parts[3])))
+
+    def _mac(self):
+        while not self.stop_flag:
+            out = subprocess.run(["ps", "-o", "cputime=", "-p", str(self.agent_pid)], capture_output=True,
+                                 text=True).stdout.strip()
+            m = re.match(r"(?:(\d+):)?(\d+):(\d+(?:\.\d+)?)", out)
+            if m:
+                h, mnt, s = m.groups()
+                self.mac.append((time.monotonic(), int(h or 0) * 3600 + int(mnt) * 60 + float(s)))
+            time.sleep(2)
+
+    def stop(self):
+        self.stop_flag = True
+        self.proc.terminate()
+
+    def summary(self):
+        def rate(samples):
+            if len(samples) < 2:
+                return None
+            (t0, a0, *h0), (t1, a1, *_) = samples[0], samples[-1]
+            hz = h0[0] if h0 else 1
+            return round((a1 - a0) / hz / (t1 - t0) * 100, 1)
+        out = {"mac_agent_pct": rate(self.mac)}
+        for name, s in self.frame.items():
+            out[f"frame_{name}_pct"] = rate(s)
+        if "frame_total_pct" in out and out["frame_total_pct"] is not None:
+            out["frame_total_pct"] = round(out["frame_total_pct"] / 8, 1)  # 8 cores -> share of the whole
+        return out
+
+
+# ---- scenarios ----
+
+def chrome_window(page, size=(1280, 820)):
+    """Opens a page in a throwaway Chrome app window; returns (proc, title)."""
+    if not Path(CHROME).exists():
+        raise SystemExit("Google Chrome is needed for the scroll and type scenarios.")
+    proc = subprocess.Popen([CHROME, f"--user-data-dir={CHROME_PROFILE}", "--no-first-run",
+                             "--no-default-browser-check", f"--window-size={size[0]},{size[1]}",
+                             "--window-position=80,80", f"--app=file://{PAGES / page}"],
+                            stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+    return proc
+
+
+def find_window(mv, title, timeout=15):
+    end = time.time() + timeout
+    while time.time() < end:
+        for w in mv.call("/windows").get("windows", []):
+            if title in (w.get("title") or ""):
+                return w
+        time.sleep(0.5)
+    raise SystemExit(f"window {title!r} didn't appear")
+
+
+def git(*a):
+    return subprocess.run(["git", *a], cwd=ROOT, capture_output=True, text=True).stdout.strip()
+
+
+def parse_schedule(net):
+    if not net or net == "none":
+        return []
+    out = []
+    for part in net.split(","):
+        rate, _, at = part.partition("@")
+        out.append((float(at or 0), None if rate in ("", "none", "0") else float(rate)))
+    return sorted(out)
+
+
+def run_scenario(args, scenario, agent_port, token, frame_ssh):
+    schedule = parse_schedule(args.net)
+    relay = None
+    tunnel_port = agent_port
+    if schedule or args.delay:
+        relay = Relay(agent_port, schedule, args.delay, args.buffer)
+        relay.start()
+        tunnel_port = relay.port
+    tunnel_ssh = list(frame_ssh[:-1]) + args.ssh_opt
+    mv = LabView(tunnel_ssh, ssh_runner(frame_ssh), frame_ssh[-1], agent_port, token, tunnel_port)
+    mv.prefer_usb = args.usb  # otherwise the path is --host's (or ssh's default)
+    if args.browser_flag is not None:
+        mv.browser_flags = [f for f in args.browser_flag if f]
+    chrome = None
+    src = "test"
+    try:
+        if scenario in ("scroll", "type"):
+            chrome = chrome_window(f"{scenario}.html")
+            w = find_window(mv, f"fmv-bench {scenario}")
+            src = f"{args.mode}:{w['id']}"
+        t = time.time()
+        shown = mv.show(src, args.quality, 1280, 820)
+        show_s = round(time.time() - t, 2)
+        # Wait for frames, then measure from a clean start.
+        stream = None
+        end = time.time() + 20
+        while time.time() < end and not stream:
+            for s in mv.call("/status").get("streams", []):
+                if s["src"] == src and s.get("stats", {}).get("fps", 0) > 0:
+                    stream = s
+            time.sleep(0.5)
+        if not stream:
+            raise SystemExit(f"{scenario}: no frames reached the viewer within 20 s")
+        time.sleep(args.warmup)
+        first = mv.call("/stats", id=stream["id"], settle=0)["streams"][0]
+        since = max([f["s"] for f in first["frames"]] or [0])
+        captured_before = first["captured"]
+        start_mac_us = mv.call("/stats", id=stream["id"])["now"]
+        agent_pid = int(subprocess.run(["pgrep", "-f", "Frame Mac View Lab.app/Contents/MacOS/frame-mac-view"],
+                                       capture_output=True, text=True).stdout.split()[0])
+        cpu = CpuSampler(frame_ssh, agent_pid)
+        if relay:
+            relay.begin()
+        expected = 0  # input events the harness asked the viewer for
+        if scenario == "type":
+            mv.call("/bench", method="POST", src=src, action="click", x=0.5, y=0.3)
+            time.sleep(0.5)
+            # Steady typing, then slow typing that lets the link go idle.
+            fast = "the quick brown fox jumps over the lazy dog "
+            n_fast = max(10, int((args.duration * 0.6) / 0.2))
+            mv.call("/bench", method="POST", src=src, action="type", text=(fast * (n_fast // len(fast) + 1))[:n_fast],
+                    interval=200)
+            expected += n_fast
+            time.sleep(n_fast * 0.2 + 0.5)
+            slow_n = max(3, int(args.duration * 0.4 / 1.5))
+            mv.call("/bench", method="POST", src=src, action="type", text=("idle typing test " * (slow_n // 17 + 1))[:slow_n],
+                    interval=1500)
+            expected += slow_n
+            time.sleep(slow_n * 1.5 + 0.5)
+        else:
+            # Clicks on the test pattern measure the input path; the scroll
+            # page just scrolls.
+            end = time.time() + args.duration
+            while time.time() < end:
+                if scenario == "test":
+                    mv.call("/bench", method="POST", src=src, action="click", x=0.3, y=0.5)
+                    expected += 1
+                time.sleep(0.5)
+        at_end = mv.call("/stats", id=stream["id"], since=2**32 - 1)
+        end_mac_us = at_end["now"]
+        captured_end = at_end["streams"][0]["captured"] if at_end["streams"] else None
+        time.sleep(2)  # let the viewer report the last frames
+        streams = mv.call("/stats", id=stream["id"], since=since)["streams"]
+        if not streams:
+            raise SystemExit(f"{scenario}: the stream ended during the run (did the Frame go to sleep?)")
+        data = streams[0]
+        cpu.stop()
+        if args.raw:
+            Path(f"{args.raw}-{scenario}.json").write_text(json.dumps(data))
+        result = summarize(scenario, data, start_mac_us, end_mac_us, args, relay, schedule, expected)
+        result["controller"] = data.get("controller", {})
+        result["events"] = [{"t": round((e["t"] - start_mac_us) / 1e6, 2), "e": e["e"]}
+                            for e in data.get("events", []) if e["t"] >= start_mac_us]
+        result["captured"] = (captured_end if captured_end is not None else data["captured"]) - captured_before
+        result["source_fps"] = round(result["captured"] / max(result["duration_s"], 1), 1)
+        result["cpu"] = cpu.summary()
+        result["viewer"] = data["summary"].get("decoder", "")
+        result["show_s"] = show_s
+        result["panel"] = shown.get("panel")
+        result["src"] = src
+        result["route"] = mv.route
+        return result
+    finally:
+        try:
+            mv.stop(src)
+        except Exception:  # noqa: BLE001 - best effort
+            pass
+        mv.closing = True  # or its supervisor reopens the tunnel
+        if mv.tunnel and mv.tunnel.poll() is None:
+            mv.tunnel.terminate()
+            mv.tunnel.wait(5)
+        if relay:
+            relay.loop.call_soon_threadsafe(relay.loop.stop)
+        if chrome:
+            chrome.terminate()
+        time.sleep(3)  # Stop ends the Frame's viewer browser 2 s later
+
+
+def composited(f):
+    """When the Mac had the frame: its display time, or when ScreenCaptureKit
+    handed it over if that was earlier (display time can be a few ms ahead of
+    delivery, which would make latency look lower than it is)."""
+    return min(f["cap"], f["arr"]) if f["arr"] else f["cap"]
+
+
+def summarize(scenario, data, start_us, end_us, args, relay, schedule, expected=0):
+    frames = [f for f in data["frames"] if start_us <= f["cap"] <= end_us]
+    inputs = [i for i in data["inputs"] if i["tv"] and i["tv"] >= start_us]
+    by_seq = {f["s"]: f for f in data["frames"]}
+    drawn = [f for f in frames if f["drw"]]
+    shown = [f for f in frames if f["vs"]]
+    # The whole measured interval, so a stall at either end still counts.
+    duration = (end_us - start_us) / 1e6
+    stages = {
+        "capture": [ms(f["cap"], f["arr"]) for f in frames],
+        "queue": [ms(f["arr"], f["e0"]) for f in frames],
+        "encode": [ms(f["e0"], f["e1"]) for f in frames],
+        "socket": [ms(f["snd"], f["wire"]) for f in frames],
+        "network": [ms(f["e1"], f["rx"]) for f in frames],
+        "decode": [ms(f["rx"], f["dec"]) for f in frames],
+        "draw": [ms(f["dec"], f["drw"]) for f in frames],
+        # Waiting for the browser's next frame: set by the Frame's compositor,
+        # which throttles panels nobody is looking at (see "Measuring").
+        "present": [ms(f["drw"], f["vs"]) for f in frames],
+        "content": [ms(composited(f), f["drw"]) for f in frames],
+        "content_shown": [ms(composited(f), f["vs"]) for f in frames],
+    }
+    out = {"scenario": scenario, "frames_sent": len(frames), "frames_drawn": len(drawn),
+           "frames_shown": len(shown), "duration_s": round(duration, 1)}
+    out["stages_ms"] = {k: dist(v) for k, v in stages.items()}
+    # Smoothness: gaps between frames reaching the viewer's canvas.
+    # Smoothness counts only what was drawn inside the interval; a frame
+    # captured just before the end but drawn after it still counts for latency.
+    dr = [start_us] + sorted(f["drw"] for f in drawn if f["drw"] <= end_us) + [end_us]
+    gaps = [(b - a) / 1000 for a, b in zip(dr, dr[1:]) if b > a]
+    target_fps = frame_macview.QUALITY[args.quality]["fps"]
+    out["fps"] = round(sum(f["drw"] <= end_us for f in drawn) / duration, 1) if duration else 0
+    out["fps_shown"] = round(sum(0 < f["vs"] <= end_us for f in shown) / duration, 1) if duration else 0
+    out["late_pct"] = round(100 * sum(g > 1.5 * 1000 / target_fps for g in gaps) / len(gaps), 2) if gaps else None
+    out["stall_max"] = round(max(gaps), 1) if gaps else None
+    out["stalls_over_100ms"] = sum(g > 100 for g in gaps)
+    out["mbps"] = round(sum(f["b"] for f in frames) * 8 / duration / 1e6, 2) if duration else 0
+    out["keyframes"] = sum(f["k"] for f in frames)
+    out["size"] = f"{frames[-1]['w']}x{frames[-1]['h']}" if frames else ""
+    out["captured"] = data.get("captured")
+    out["viewer_never_drawn"] = len(frames) - len(drawn)
+    # Input: the viewer's event -> the first frame after it drawn (and shown).
+    lat, lat_shown = [], []
+    parts = {"uplink": [], "mac": [], "back": []}
+    for i in inputs:
+        f = by_seq.get(i["frame"])
+        if f and f["drw"]:
+            lat.append(ms(i["tv"], f["drw"]))
+            lat_shown.append(ms(i["tv"], f["vs"]))
+            parts["uplink"].append(ms(i["tv"], i["inj"]))
+            parts["mac"].append(ms(i["inj"], composited(f)))
+            parts["back"].append(ms(composited(f), f["drw"]))
+    out["input_ms"] = dist(lat)
+    out["input_shown_ms"] = dist(lat_shown)
+    out["input_parts_ms"] = {k: dist(v) for k, v in parts.items()}
+    out["inputs"] = {"asked": expected, "sent": len(inputs), "seen": len(lat)}
+    # A per-second timeline, for adaptation.
+    timeline = []
+    t0 = start_us
+    for sec in range(int(duration) + 1):
+        a, b = t0 + sec * 1_000_000, t0 + (sec + 1) * 1_000_000
+        fs = [f for f in frames if a <= f["cap"] < b]
+        if not fs:
+            continue
+        timeline.append({
+            "t": sec, "fps": sum(1 for f in fs if f["drw"]), "mbps": round(sum(f["b"] for f in fs) * 8 / 1e6, 2),
+            "content_p50": pct([ms(composited(f), f["drw"]) for f in fs], 0.5),
+            "content_p95": pct([ms(composited(f), f["drw"]) for f in fs], 0.95),
+            "bitrate": fs[-1].get("br"), "tier": fs[-1].get("tier"), "w": fs[-1]["w"],
+            "net": relay.rate_at(sec) if relay else None,
+        })
+    out["timeline"] = timeline
+    out["adapt"] = adaptation(timeline, schedule, duration)
+    out["content_p50"] = out["stages_ms"]["content"].get("p50")
+    out["content_p95"] = out["stages_ms"]["content"].get("p95")
+    out["input_p50"] = out["input_ms"].get("p50")
+    out["input_p95"] = out["input_ms"].get("p95")
+    out["grades"] = grade(out, scenario, args.quality)
+    return out
+
+
+def adaptation(timeline, schedule, duration=float("inf")):
+    """After each drop in the link's rate: how long until latency was within
+    bounds again and stayed there for 3 s. The bound is the acceptable p95
+    (100 ms), or 1.5 times the p95 before the drop if that was higher: on a
+    slower link each frame takes longer to send, so latency can't return to
+    what it was on the fast one."""
+    steps = []
+    for n, ((at, rate), (_, before)) in enumerate(zip(schedule[1:], schedule)):
+        # Settling must happen while this rate lasts, not after the link recovers.
+        until = min(schedule[n + 2][0] if n + 2 < len(schedule) else float("inf"), duration)  # or the run ends
+        if before is not None and (rate is None or rate >= before):
+            continue
+        pre = [s["content_p95"] for s in timeline if at - 4 <= s["t"] < at and s["content_p95"]]
+        base = max(float(TARGETS["content_p95"][1]), 1.5 * statistics.median(pre) if pre else 0)
+        after = [s for s in timeline if s["t"] >= at]
+        worst = max([s["content_p95"] or 0 for s in after[:10]] or [0])
+        settled = None
+        for i, s in enumerate(after):
+            window = after[i:i + 3]
+            # Three populated seconds in a row: a second with no frames at all
+            # is a stall, not a pass.
+            if (len(window) == 3 and [w["t"] for w in window] == [s["t"], s["t"] + 1, s["t"] + 2] and s["t"] + 3 <= until
+                    and all((w["content_p95"] or 1e9) <= base for w in window)):
+                settled = s["t"] - at
+                break
+        steps.append({"at": at, "to_mbit": rate, "p95_bound": round(base, 1), "worst_p95": worst,
+                      "settled_s": settled})
+    return steps
+
+
+def grade(out, scenario, quality="balanced"):
+    g = {}
+    checks = ["content_p50", "content_p95"]
+    asked = max(out["inputs"].get("asked", 0), out["inputs"]["sent"])
+    if asked:
+        checks += ["input_p50", "input_p95"]
+        # Input that never reaches the Mac, or never shows up on screen, is a
+        # failure, not a gap in the data.
+        seen = out["inputs"]["seen"] / asked
+        g["input_replies"] = "local" if seen >= 0.95 else "acceptable" if seen >= 0.8 else "bad"
+    if scenario in MOVING:
+        checks += ["fps", "late_pct", "stall_max"]
+    for k in checks:
+        v = out.get(k)
+        if v is None:
+            g[k] = "missing"
+            continue
+        good, ok = TARGETS[k]
+        if k == "fps":  # the targets are for 60 fps; Light and Compatible ask for fewer
+            want = frame_macview.QUALITY[quality]["fps"]
+            good, ok = good * want / 60, ok * want / 60
+        if k in HIGHER_IS_BETTER:
+            g[k] = "local" if v >= good else "acceptable" if v >= ok else "bad"
+        else:
+            g[k] = "local" if v <= good else "acceptable" if v <= ok else "bad"
+    for step in out["adapt"]:
+        s = step["settled_s"]
+        good, ok = TARGETS["adapt_s"]
+        g[f"adapt@{step['at']:g}s"] = "bad" if s is None or s > ok else "local" if s <= good else "acceptable"
+    return g
+
+
+# ---- compare ----
+
+KEYS = [("content_p50", "content p50 ms"), ("content_p95", "content p95 ms"), ("input_p50", "input p50 ms"),
+        ("input_p95", "input p95 ms"), ("fps", "fps"), ("late_pct", "late %"), ("stall_max", "max gap ms"),
+        ("fps_shown", "fps shown"), ("mbps", "Mbit/s")]
+STAGE_KEYS = ["capture", "queue", "encode", "socket", "network", "decode", "draw", "present"]
+
+
+def load(path):
+    return json.loads(Path(path).read_text())
+
+
+def compare(a, b, threshold=0.10):
+    """Prints before/after per scenario; returns the regressions."""
+    regressions = []
+    print(f"A: {a['label']} ({a['commit']}, {a['date']})\nB: {b['label']} ({b['commit']}, {b['date']})")
+    for sc in b["scenarios"]:
+        ra = next((x for x in a["scenarios"] if x["scenario"] == sc["scenario"]), None)
+        if not ra:
+            continue
+        print(f"\n{sc['scenario']:<10} {'A':>10} {'B':>10} {'change':>9}")
+        rows = [(k, n, ra.get(k), sc.get(k)) for k, n in KEYS]
+        rows += [(f"stage.{s}", f"  {s} p50", ra["stages_ms"].get(s, {}).get("p50"), sc["stages_ms"].get(s, {}).get("p50"))
+                 for s in STAGE_KEYS]
+        for k, name, va, vb in rows:
+            change = ""
+            if isinstance(va, (int, float)) and isinstance(vb, (int, float)) and va:
+                d = (vb - va) / abs(va)
+                change = f"{d:+.0%}"
+                worse = d < -threshold if k == "fps" else d > threshold
+                if worse and k in ("content_p50", "content_p95", "input_p50", "input_p95", "fps") and abs(vb - va) > 2:
+                    regressions.append(f"{sc['scenario']} {name}: {va} -> {vb}")
+                    change += " worse"
+            print(f"{name:<18} {fmt(va):>10} {fmt(vb):>10} {change:>9}")
+    return regressions
+
+
+def fmt(v):
+    return "–" if v is None else f"{v:g}" if isinstance(v, (int, float)) else str(v)
+
+
+# ---- main ----
+
+def add_run_args(r):
+    r.add_argument("--scenario", default="test,scroll,type")
+    r.add_argument("--duration", type=float, default=20)
+    r.add_argument("--warmup", type=float, default=3)
+    r.add_argument("--quality", default="balanced", choices=list(frame_macview.QUALITY))
+    r.add_argument("--mode", default="separate", choices=["separate", "window"], help="how Mac windows are shown")
+    r.add_argument("--net", default="", help="Mbit/s, or a schedule like 50@0,8@10,50@20")
+    r.add_argument("--delay", type=float, default=0, help="extra one-way delay, ms")
+    r.add_argument("--buffer", type=float, default=250, help="bottleneck queue, ms at the current rate")
+    r.add_argument("--frame", default="frame", help="ssh host of the Frame")
+    r.add_argument("--host", default="", help="connect to this address instead (e.g. the Frame's LAN IP)")
+    r.add_argument("--usb", action="store_true", help="use the Frame's USB-C network when plugged in, as Frame Control does")
+    r.add_argument("--ssh-opt", action="append", default=[], help="extra ssh option for the tunnel, e.g. -oIPQoS=ef")
+    r.add_argument("--browser-flag", action="append", default=None,
+                   help="Chromium flag for the viewer (replaces Frame Control's defaults; '' for none)")
+    r.add_argument("--label", default="")
+    r.add_argument("--out", default="")
+    r.add_argument("--raw", default="", help="also write the agent's raw records here")
+
+
+def lab_agent():
+    try:
+        agent_port = int((LAB_DIR / "port").read_text())
+        token = (LAB_DIR / "token").read_text().strip()
+        urllib.request.urlopen(f"http://127.0.0.1:{agent_port}/ping", timeout=3)
+        return agent_port, token
+    except (OSError, ValueError):
+        raise SystemExit("Start the lab agent first: mac/frame-mac-view/lab.sh serve")
+
+
+def restart_lab(env):
+    """The lab agent again, without rebuilding, with these experiment switches."""
+    subprocess.run(["sh", str(ROOT / "mac" / "frame-mac-view" / "lab.sh"), "serve-only"],
+                   env={**os.environ, **env}, check=True, capture_output=True)
+    time.sleep(1)
+
+
+def frame_ssh_for(args):
+    frame_ssh = ["ssh", "-o", "BatchMode=yes"]
+    if args.host:
+        # Another address for the same Frame: its host key must still match.
+        alias = next((line.split()[1] for line in subprocess.run(["ssh", "-G", args.frame], capture_output=True,
+                      text=True).stdout.splitlines() if line.startswith("hostname ")), args.frame)
+        frame_ssh += ["-o", f"HostName={args.host}", "-o", f"HostKeyAlias={alias}"]
+    frame_ssh.append(args.frame)
+    return frame_ssh
+
+
+def run_suite(args, frame_ssh, quiet=False):
+    agent_port, token = lab_agent()
+    results = []
+    for sc in args.scenario.split(","):
+        if not quiet:
+            print(f"-- {sc} ...", flush=True)
+        res = run_scenario(args, sc, agent_port, token, frame_ssh)
+        if not quiet:
+            print(f"   content p50/p95 {res['content_p50']}/{res['content_p95']} ms, input p50/p95 "
+                  f"{res['input_p50']}/{res['input_p95']} ms, {res['fps']} fps (shown {res['fps_shown']}), "
+                  f"late {res['late_pct']}%, max gap {res['stall_max']} ms, {res['mbps']} Mbit/s, {res['size']}",
+                  flush=True)
+            print(f"   stages p50: " + ", ".join(f"{k} {v.get('p50')}" for k, v in res["stages_ms"].items()), flush=True)
+            print(f"   grades: {res['grades']}  cpu: {res['cpu']}\n   viewer: {res['viewer']}", flush=True)
+            for e in res["events"][:12]:
+                print(f"   {e['t']:6.2f}s {e['e']}", flush=True)
+        results.append(res)
+    return results
+
+
+def document(args, frame_ssh, results, **extra):
+    build = subprocess.run([*frame_ssh, "grep -m1 BUILD_ID /etc/os-release"], capture_output=True, text=True).stdout
+    # Whether the headset is in standby (it throttles panels even harder then).
+    standby = subprocess.run([*frame_ssh, "grep -h standby ~/.local/share/Steam/logs/vrserver.txt | tail -n 1"],
+                             capture_output=True, text=True).stdout.strip()
+    commit = git("rev-parse", "--short", "HEAD") + ("+dirty" if git("status", "--porcelain", "--", "mac", "ui") else "")
+    return {
+        "label": args.label or args.cmd, "date": datetime.datetime.now().isoformat(timespec="seconds"), "commit": commit,
+        "config": {"quality": args.quality, "mode": args.mode, "net": args.net or "none", "delay_ms": args.delay,
+                   "buffer_ms": args.buffer, "host": args.host or args.frame, "usb": args.usb, "ssh_opts": args.ssh_opt,
+                   "encoder": os.environ.get("FRAME_MAC_VIEW_ENCODER", ""), "duration_s": args.duration,
+                   "browser_flags": args.browser_flag if args.browser_flag is not None else frame_macview.BROWSER_FLAGS},
+        "frame_build": build.strip().partition("=")[2], "mac": platform.mac_ver()[0], "headset": standby[-40:],
+        "scenarios": results, **extra,
+    }
+
+
+def write(doc, args):
+    RESULTS.mkdir(parents=True, exist_ok=True)
+    name = f"{doc['date'][:10]}-{doc['commit'].replace('+', '-')}-{re.sub(r'[^a-zA-Z0-9_.-]+', '-', doc['label'])}.json"
+    out = Path(args.out) if args.out else RESULTS / name
+    out.write_text(json.dumps(doc, indent=1))
+    print(f"wrote {out}")
+    return out
+
+
+AB_KEYS = ["content_p50", "content_p95", "input_p50", "input_p95", "fps", "late_pct", "stall_max", "mbps"]
+
+
+def ab(args, frame_ssh):
+    """Arms interleaved (A B, B A, ...) so a Wi-Fi link that changes over
+    minutes affects both alike; medians and ranges per arm."""
+    arms = []
+    for a in args.arm:
+        name, _, envs = a.partition(":")
+        arms.append((name, dict(e.split("=", 1) for e in envs.split(",") if e)))
+    runs = {name: [] for name, _ in arms}
+    for rep in range(args.repeat):
+        for name, env in (arms if rep % 2 == 0 else arms[::-1]):
+            print(f"-- repeat {rep + 1}, arm {name} {env}", flush=True)
+            restart_lab(env)
+            runs[name].append(run_suite(args, frame_ssh, quiet=True))
+    table = {}
+    for sc in args.scenario.split(","):
+        print(f"\n{sc:<14}" + "".join(f"{name:>26}" for name, _ in arms))
+        for k in AB_KEYS:
+            row = []
+            for name, _ in arms:
+                vals = [r[k] for suite in runs[name] for r in suite if r["scenario"] == sc and r.get(k) is not None]
+                table.setdefault(sc, {}).setdefault(k, {})[name] = vals
+                row.append(f"{statistics.median(vals):g} ({min(vals):g}-{max(vals):g})" if vals else "–")
+            print(f"{k:<14}" + "".join(f"{c:>26}" for c in row))
+    restart_lab({})  # back to the defaults
+    return runs, table
+
+
+def main():
+    p = argparse.ArgumentParser(description=__doc__, formatter_class=argparse.RawDescriptionHelpFormatter)
+    sub = p.add_subparsers(dest="cmd", required=True)
+    r = sub.add_parser("run")
+    add_run_args(r)
+    r.add_argument("--baseline", default="", help="fail on >10%% regressions against this result")
+    a = sub.add_parser("ab", help="compare lab-agent settings, interleaved: --arm name:ENV=V,ENV2=V ...")
+    add_run_args(a)
+    a.add_argument("--arm", action="append", required=True)
+    a.add_argument("--repeat", type=int, default=3)
+    c = sub.add_parser("compare")
+    c.add_argument("a")
+    c.add_argument("b")
+    args = p.parse_args()
+    # The agent keeps the last 4096 frames (Stats.swift) and results are read
+    # at the end: at 60 fps that's 68 s, less warm-up and the reporting wait.
+    if args.cmd != "compare" and args.host and args.usb:
+        p.error("--host and --usb pick the path two ways; use one")
+    if args.cmd != "compare" and args.warmup + args.duration > 60:
+        p.error("--warmup plus --duration can be at most 60 s (the agent keeps 4096 frames)")
+
+    if args.cmd == "compare":
+        regs = compare(load(args.a), load(args.b))
+        if regs:
+            print("\nworse:\n  " + "\n  ".join(regs))
+        sys.exit(1 if regs else 0)
+
+    lab_agent()
+    frame_ssh = frame_ssh_for(args)
+    # Keep the Mac's screen awake: virtual displays aren't removed while it sleeps.
+    runs = 1 if args.cmd == "run" else args.repeat * len(args.arm)
+    awake = subprocess.Popen(["caffeinate", "-d", "-u", "-t", str(int(runs * (args.duration * 4 + 60) + 120))])
+    try:
+        if args.cmd == "ab":
+            arm_runs, table = ab(args, frame_ssh)
+            write(document(args, frame_ssh, [], arms=args.arm, runs=arm_runs, table=table), args)
+            return
+        results = run_suite(args, frame_ssh)
+    finally:
+        awake.terminate()
+    doc = document(args, frame_ssh, results)
+    write(doc, args)
+    bad = [f"{r['scenario']} {k}" for r in results for k, v in r["grades"].items() if v in ("bad", "missing")]
+    regs = compare(load(args.baseline), doc) if args.baseline else []
+    if bad:
+        print("missed targets: " + ", ".join(bad))
+    if regs:
+        print("worse than baseline:\n  " + "\n  ".join(regs))
+    sys.exit(1 if bad or regs else 0)
+
+
+if __name__ == "__main__":
+    main()
diff --git a/tests/test_frame_apk_vr.py b/tests/test_frame_apk_vr.py
new file mode 100644
index 0000000..49a56ca
--- /dev/null
+++ b/tests/test_frame_apk_vr.py
@@ -0,0 +1,297 @@
+"""Local-only VR manifest, raw ZIP and independent signature checks."""
+import io
+import os
+from pathlib import Path
+import struct
+import subprocess
+import sys
+import tempfile
+import unittest
+from unittest.mock import patch
+import zipfile
+
+sys.path.insert(0, str(Path(__file__).resolve().parents[1] / 'ui'))
+import frame_apk
+import frame_apk_vr as vr
+import frame_apk_sign as signing
+import frame_android
+from test_frame_apk import pool
+
+
+DEFAULT = 'android.intent.category.DEFAULT'
+
+
+def manifest(utf8=False, launcher=False, category=None, samsung=False, split=False, alias=False, splash=False):
+    strings = ['manifest', 'package', 'org.test.vr', 'application', 'activity', 'intent-filter',
+               'action', 'category', 'name', vr.MAIN, category or next(iter(sorted(vr.VR))),
+               vr.LAUNCHER, 'http://schemas.android.com/apk/res/android', 'meta-data', 'value',
+               'com.samsung.android.vr.application.mode', 'vr_only', 'activity-alias', DEFAULT, next(iter(sorted(vr.VR))), 'targetActivity', '.Splash', '.Game']
+    def start(tag, attrs=()):
+        body = struct.pack('<IIHHHHHH', 0xffffffff, strings.index(tag), 20, 20, len(attrs), 0, 0, 0)
+        for name, value in attrs:
+            ns = 0xffffffff if name == 'package' else 12
+            body += struct.pack('<IIIHBBI', ns, strings.index(name), strings.index(value), 8, 0, 3, strings.index(value))
+        return struct.pack('<HHIII', 0x102, 16, 16 + len(body), 1, 0xffffffff) + body
+    def end(tag):
+        return struct.pack('<HHIIIII', 0x103, 16, 24, 1, 0xffffffff, 0xffffffff, strings.index(tag))
+    def leaf(tag, attrs):
+        return start(tag, attrs) + end(tag)
+    b = pool(strings, utf8) + start('manifest', [('package', 'org.test.vr')]) + start('application')
+    if samsung:
+        b += leaf('meta-data', [('name', strings[15]), ('value', 'vr_only')])
+    if splash:  # a helper activity with its own MAIN filter, ahead of the game's
+        b += start('activity', [('name', '.Splash')]) + start('intent-filter') + leaf('action', [('name', vr.MAIN)])
+        b += leaf('category', [('name', DEFAULT)]) + end('intent-filter') + end('activity')
+    b += start('activity', [('name', '.Game')] if splash else []) + start('intent-filter') + leaf('action', [('name', vr.MAIN)])
+    b += leaf('category', [('name', strings[10])])
+    if split:
+        b += end('intent-filter') + start('intent-filter')
+    if launcher:
+        b += leaf('category', [('name', vr.LAUNCHER)])
+    b += end('intent-filter') + end('activity')
+    if alias:  # Godot 4: LAUNCHER only on an alias of the activity ('vr' or 'flat')
+        b += start('activity-alias', [('targetActivity', '.Game')] if splash else []) + start('intent-filter') + leaf('action', [('name', vr.MAIN)])
+        if alias == 'vr':
+            b += leaf('category', [('name', next(iter(sorted(vr.VR))))])
+        b += leaf('category', [('name', vr.LAUNCHER)])
+        b += end('intent-filter') + end('activity-alias')
+    b += end('application') + end('manifest')
+    return struct.pack('<HHI', 3, 8, len(b) + 8) + b
+
+
+class VRTests(unittest.TestCase):
+    @classmethod
+    def setUpClass(cls):
+        cls.tmp = tempfile.TemporaryDirectory()
+        cls.keypath = Path(cls.tmp.name) / 'key.json'
+        cls.key = signing.signing_key(cls.keypath)
+
+    @classmethod
+    def tearDownClass(cls):
+        cls.tmp.cleanup()
+
+    def test_manifest_patch(self):
+        for utf8 in (False, True):
+            for category in vr.VR:
+                original = manifest(utf8, category=category)
+                result = vr.add_launcher_category(original)
+                info, filters = vr.inspect(result)
+                self.assertTrue(info['launchable'])
+                self.assertTrue(info['vr'])
+                self.assertIn(vr.LAUNCHER, filters[0]['categories'])
+                self.assertEqual(struct.unpack_from('<I', result, 4)[0], len(result))
+                self.assertEqual(vr.add_launcher_category(result), result)
+                self.assertEqual(vr.add_launcher_category(manifest(utf8, True)), manifest(utf8, True))
+
+    def test_filter_boundaries(self):
+        self.assertFalse(vr.inspect(manifest(launcher=True, split=True))[0]['launchable'])
+        self.assertTrue(vr.inspect(vr.add_launcher_category(manifest(launcher=True, split=True)))[0]['launchable'])
+
+    def test_alias_launcher_is_not_enough(self):
+        # (manifest, still VR after patching)
+        cases = [(manifest(alias='vr'), True),                    # Godot 4 VR export
+                 (manifest(alias='vr', category=DEFAULT), True),  # VR category only on the alias
+                 (manifest(alias='flat', category=DEFAULT), False)]  # Godot 4 flat export
+        for original, is_vr in cases:
+            info, filters = vr.inspect(original)
+            self.assertFalse(info['launchable'])
+            self.assertTrue(info['repairable'])
+            self.assertEqual(len(filters), 1)
+            self.assertFalse(filters[0]['alias'])
+            result = vr.add_launcher_category(original)
+            info, _ = vr.inspect(result)
+            self.assertTrue(info['launchable'])
+            self.assertFalse(info['repairable'])
+            self.assertEqual(info['vr'], is_vr)
+
+    def test_alias_target_activity_is_patched(self):
+        original = manifest(alias='flat', category=DEFAULT, splash=True)
+        info, filters = vr.inspect(original)
+        self.assertTrue(info['repairable'])
+        self.assertEqual(filters[0]['activity'], 'org.test.vr.Game')
+        owner, launchers = None, []
+        for tag, attrs in frame_apk.manifest_elements(vr.add_launcher_category(original)):
+            if tag in ('activity', 'activity-alias'):
+                owner = (tag, attrs.get('name', (0, 0, None))[2])
+            if tag == 'category' and attrs['name'][2] == vr.LAUNCHER:
+                launchers.append(owner)
+        self.assertEqual(launchers, [('activity', '.Game'), ('activity-alias', None)])
+
+    def test_alias_with_launchable_activity_is_left_alone(self):
+        original = manifest(launcher=True, alias='vr')
+        info, _ = vr.inspect(original)
+        self.assertTrue(info['launchable'])
+        self.assertFalse(info['repairable'])
+        self.assertEqual(vr.add_launcher_category(original), original)
+
+    def test_patch_alias_apk(self):
+        with tempfile.TemporaryDirectory() as d:
+            src, dst = Path(d) / 'in.apk', Path(d) / 'out.apk'
+            with zipfile.ZipFile(src, 'w') as z:
+                z.writestr('AndroidManifest.xml', manifest(alias='flat', category=DEFAULT))
+            with patch.object(signing, 'signing_key', return_value=self.key):
+                result = frame_android.patch(src, dst)
+            self.assertEqual(result['patched'], ['launcher'])
+            self.assertTrue(frame_apk.apk_info(dst)['launchable'])
+            self.assertTrue(signing.verify(dst))
+
+    def test_styled_pool(self):
+        for utf8 in (False, True):
+            p = bytearray(pool(['styled'], utf8))
+            old_start = struct.unpack_from('<I', p, 20)[0]
+            p[old_start:old_start] = struct.pack('<I', 0)
+            style_start = len(p)
+            p += struct.pack('<III', 0, 0, 2) + b'\xff' * 12
+            struct.pack_into('<I', p, 4, len(p))
+            struct.pack_into('<I', p, 16, (0x100 if utf8 else 0) | 1)
+            struct.pack_into('<I', p, 12, 1)
+            struct.pack_into('<II', p, 20, old_start + 4, style_start)
+            result, idx = vr._append_string(bytes(p), vr.LAUNCHER)
+            self.assertEqual(frame_apk._string_pool(result, 0), ['styled', vr.LAUNCHER])
+            new_style = struct.unpack_from('<I', result, 24)[0]
+            self.assertEqual(result[new_style:], p[style_start:])
+            self.assertEqual(len(result) % 4, 0)
+
+    def test_detection(self):
+        names = {'lib/arm64-v8a/' + n for n in ('libvrapi.so', 'libopenxr_loader.so', 'libovrplatformloader.so')}
+        info = vr.detection(manifest(category='android.intent.category.LAUNCHER'), names)
+        self.assertTrue(info['vr'])
+        self.assertTrue(info['launchable'])
+        self.assertEqual(len(info['vr_issues']), 3)
+        self.assertFalse(vr.detection(manifest(category=vr.LAUNCHER), set())['vr'])
+        self.assertTrue(vr.detection(manifest(category=vr.LAUNCHER, samsung=True), set())['vr'])
+
+    def test_key_cache(self):
+        with patch.object(signing, '_prime', side_effect=AssertionError('regenerated')):
+            self.assertEqual(signing.signing_key(self.keypath), self.key)
+        if os.name != 'nt':
+            self.assertEqual(self.keypath.stat().st_mode & 0o777, 0o600)
+
+    def test_repack_sign_tamper(self):
+        with tempfile.TemporaryDirectory() as d:
+            src, dst = Path(d) / 'in.apk', Path(d) / 'out.apk'
+            with zipfile.ZipFile(src, 'w') as z:
+                z.writestr('AndroidManifest.xml', manifest(), compress_type=8)
+                z.writestr('classes.dex', b'compress me' * 10000, compress_type=8)
+                z.writestr('resources.arsc', b'1234')
+                z.writestr('lib/arm64-v8a/libx.so', b'ELF' * 500000)
+                z.writestr('META-INF/OLD.RSA', b'old')
+                z.writestr('META-INF/MANIFEST.MF', b'old')
+            with patch.object(signing, 'signing_key', return_value=self.key):
+                result = frame_android.patch(src, dst, {'assets/layer.json': b'{}', 'lib/arm64-v8a/liblayer.so': b'layer'})
+            self.assertEqual(result['patched'], ['launcher'])
+            self.assertTrue(frame_apk.apk_info(dst)['launchable'])
+            self.assertTrue(signing.verify(dst))
+            def compressed(path, info):
+                data = path.read_bytes()
+                nl, el = struct.unpack_from('<HH', data, info.header_offset + 26)
+                start = info.header_offset + 30 + nl + el
+                return data[start:start + info.compress_size], start
+            with zipfile.ZipFile(src) as a, zipfile.ZipFile(dst) as b:
+                self.assertNotIn('META-INF/OLD.RSA', b.namelist())
+                self.assertNotIn('META-INF/MANIFEST.MF', b.namelist())
+                for i in b.infolist():
+                    raw, start = compressed(dst, i)
+                    if i.compress_type == 0:
+                        self.assertEqual(start % (16384 if i.filename.endswith('.so') else 4), 0)
+                    if i.filename in ('classes.dex', 'resources.arsc', 'lib/arm64-v8a/libx.so'):
+                        self.assertEqual(raw, compressed(src, a.getinfo(i.filename))[0])
+                _, off = compressed(dst, b.getinfo('resources.arsc'))
+            original = dst.read_bytes()
+            data = bytearray(original)
+            eo, cd = signing._eocd(data)
+            size = struct.unpack_from('<Q', data, cd - 24)[0]
+            block_start = cd - size - 8
+            value = data[block_start + 20:cd - 24]
+            signer = signing._parts(signing._parts(value)[0])[0]
+            signed, signatures, pub = signing._parts(signer)
+            signature = signing._parts(signing._parts(signatures)[0][4:])[0]
+            sig_offset = data.index(signature, block_start)
+            data[sig_offset] ^= 1
+            dst.write_bytes(data)
+            with self.assertRaisesRegex(ValueError, 'RSA signature'):
+                signing.verify(dst)
+            data = bytearray(original)
+            data[off] ^= 1
+            dst.write_bytes(data)
+            with self.assertRaisesRegex(ValueError, 'digest'):
+                signing.verify(dst)
+
+    @unittest.skipUnless(Path('/usr/bin/openssl').exists(), 'openssl absent')
+    def test_openssl(self):
+        with tempfile.TemporaryDirectory() as d:
+            d = Path(d)
+            (d / 'cert.der').write_bytes(signing.certificate(self.key))
+            (d / 'message').write_bytes(b'independent signature check')
+            (d / 'signature').write_bytes(signing.rsa_sign(b'independent signature check', self.key))
+            def run(*args):
+                return subprocess.run(['/usr/bin/openssl', *args], check=True, capture_output=True).stdout
+            run('x509', '-inform', 'DER', '-in', str(d / 'cert.der'), '-out', str(d / 'cert.pem'))
+            run('verify', '-check_ss_sig', '-CAfile', str(d / 'cert.pem'), str(d / 'cert.pem'))
+            (d / 'pub.pem').write_bytes(run('x509', '-in', str(d / 'cert.pem'), '-pubkey', '-noout'))
+            output = run('dgst', '-sha256', '-verify', str(d / 'pub.pem'), '-signature', str(d / 'signature'), str(d / 'message'))
+            self.assertIn(b'Verified OK', output)
+
+    def test_install_auto_and_override(self):
+        base = {'package': 'org.test.vr', 'label': 'VR', 'abis': [], 'min_sdk': None,
+                'vr': True, 'vr_activity': True, 'launchable': False, 'repairable': True}
+        with patch.object(frame_android, 'apk_info', return_value=base), \
+                patch.object(frame_android, 'xr_compat_files', return_value={}), \
+                patch.object(frame_android, 'patch', return_value={'patched': ['launcher']}) as repair, \
+                patch.object(frame_android, '_install', return_value={}) as install:
+            frame_android.install('original.apk')
+            repair.assert_called_once()
+            self.assertFalse(install.call_args.args[3])
+            self.assertEqual(install.call_args.args[1]['patched'], ['launcher'])
+            frame_android.install('original.apk', flatscreen=True)
+            self.assertTrue(install.call_args.args[3])
+
+    def test_xr_compat_layer(self):
+        with tempfile.TemporaryDirectory() as d:
+            apk = Path(d) / 'a.apk'
+            with zipfile.ZipFile(apk, 'w') as z:
+                z.writestr('lib/arm64-v8a/libopenxr_loader.so', b'')
+            add = frame_android.xr_compat_files(str(apk))
+            self.assertEqual(set(add), set(frame_android.XR_COMPAT_FILES))
+            self.assertIn(b'XR_APILAYER_FRAME_compat', add['assets/openxr/1/api_layers/implicit.d/XrApiLayer_FRAME_compat.json'])
+            self.assertTrue(add['lib/arm64-v8a/libXrApiLayer_FRAME_compat.so'].startswith(b'\x7fELF'))
+            with zipfile.ZipFile(apk, 'a') as z:  # already injected: nothing more to add
+                z.writestr('lib/arm64-v8a/libXrApiLayer_FRAME_compat.so', b'')
+            self.assertEqual(frame_android.xr_compat_files(str(apk)), {})
+            flat = Path(d) / 'flat.apk'
+            with zipfile.ZipFile(flat, 'w') as z:
+                z.writestr('classes.dex', b'')
+            self.assertEqual(frame_android.xr_compat_files(str(flat)), {})
+
+    def test_xr_compat_layer_missing(self):
+        with tempfile.TemporaryDirectory() as d:
+            apk = Path(d) / 'a.apk'
+            with zipfile.ZipFile(apk, 'w') as z:
+                z.writestr('lib/arm64-v8a/libopenxr_loader.so', b'')
+            with patch.object(frame_android, 'XR_COMPAT', d):
+                with self.assertRaisesRegex(frame_android.FrameError, 'build.sh'):
+                    frame_android.xr_compat_files(str(apk))
+
+    def test_patch_rejects_corrupt_manifest_cleanly(self):
+        with patch.object(frame_android, 'apk_info', side_effect=struct.error('bad')):
+            with self.assertRaises(frame_android.FrameError):
+                frame_android.patch('x.apk', 'y.apk')
+
+    def test_install_adds_layer_to_vr_apps(self):
+        base = {'package': 'org.test.vr', 'label': 'VR', 'abis': [], 'min_sdk': None,
+                'vr': True, 'vr_activity': True, 'launchable': True, 'repairable': False}
+        layer = {'x': b''}
+        with patch.object(frame_android, 'apk_info', return_value=dict(base)), \
+                patch.object(frame_android, 'xr_compat_files', return_value=layer), \
+                patch.object(frame_android, 'patch', return_value={'patched': ['openxr-compat']}) as repair, \
+                patch.object(frame_android, '_install', return_value={}) as install:
+            frame_android.install('game.apk')
+            self.assertIs(repair.call_args.args[2], layer)
+            self.assertEqual(install.call_args.args[1]['patched'], ['openxr-compat'])
+            repair.reset_mock()
+            frame_android.install('game.apk', xr_compat=False)  # launchable, no layer: install as is
+            repair.assert_not_called()
+
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/tests/test_macview.py b/tests/test_macview.py
new file mode 100644
index 0000000..9739add
--- /dev/null
+++ b/tests/test_macview.py
@@ -0,0 +1,421 @@
+"""Mac in the headset (ui/frame_macview.py and the frame-mac-view agent).
+
+The Python checks run anywhere. On macOS the agent is built and driven over
+HTTP and WebSocket with its test pattern, which needs no Screen Recording
+permission: status, the token, the viewer page, H.264 keyframes, pointer
+input reaching the source, and closing.
+
+Run: python3 -m unittest discover -s tests
+"""
+import base64
+import http.client
+import json
+import os
+import shutil
+import socket
+import struct
+import subprocess
+import sys
+import tempfile
+import time
+import threading
+import unittest
+from unittest import mock
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parent.parent
+sys.path.insert(0, str(ROOT / "ui"))
+
+import frame_macview  # noqa: E402
+
+
+class Helpers(unittest.TestCase):
+    def test_panel_id_is_stable_and_in_range(self):
+        a = frame_macview.panel_id("window:123")
+        self.assertEqual(a, frame_macview.panel_id("window:123"))
+        self.assertNotEqual(a, frame_macview.panel_id("window:124"))
+        self.assertTrue(2_001_000_000 <= a < 2_002_000_000)
+
+    def test_fit_keeps_aspect_inside_the_panel(self):
+        self.assertEqual(frame_macview.fit(2560, 1440), (1920, 1080))
+        w, h = frame_macview.fit(800, 1600)
+        self.assertEqual(h, 1080)
+        self.assertAlmostEqual(w / h, 0.5, places=2)
+
+    @unittest.skipUnless(shutil.which("bash"), "needs bash")
+    @unittest.skipIf(os.name == "nt", "Windows' bash.exe is WSL's launcher, and runners have no distribution")
+    def test_launch_script_parses(self):
+        r = subprocess.run(["bash", "-n"], input=frame_macview.LAUNCH, text=True, capture_output=True)
+        self.assertEqual(r.returncode, 0, r.stderr)
+
+    def test_show_checks_the_source_before_anything_else(self):
+        mv = frame_macview.MacView(["ssh"], lambda *a, **k: self.fail("no ssh"), "frame")
+        with self.assertRaises(frame_macview.MacViewError):
+            mv.show("rm -rf /")
+
+    def test_missing_browser_is_explained(self):
+        calls = []
+
+        def run(remote, stdin=None, timeout=30):
+            calls.append(remote)
+            e = RuntimeError("exit 3")
+            e.stdout = "NO_BROWSER\n"
+            raise e
+
+        mv = frame_macview.MacView(["ssh"], run, "frame")
+        mv.call = lambda path, **kw: {"screen": True, "ticket": "tk"}
+        mv.ensure_tunnel = lambda **kw: None
+        mv.remote_port = 47900
+        with self.assertRaises(frame_macview.MacViewError) as cm:
+            mv.show("window:5")
+        self.assertIn("Chromium", str(cm.exception))
+        self.assertTrue(calls[0].startswith("bash -s -- "))
+
+    def test_separate_windows_need_accessibility(self):
+        mv = frame_macview.MacView(["ssh"], lambda *a, **k: self.fail("no ssh"), "frame")
+        mv.call = lambda path, **kw: {"screen": True, "accessibility": False}
+        with self.assertRaises(frame_macview.MacViewError) as cm:
+            mv.show("separate:42")
+        self.assertIn("Accessibility", str(cm.exception))
+
+    def test_screen_permission_is_checked_before_the_headset(self):
+        mv = frame_macview.MacView(["ssh"], lambda *a, **k: self.fail("no ssh"), "frame")
+        mv.call = lambda path, **kw: {"screen": False}
+        with self.assertRaises(frame_macview.MacViewError) as cm:
+            mv.show("display:1")
+        self.assertIn("Screen Recording", str(cm.exception))
+
+    def test_stop_all_ends_the_viewer_browser_unless_shown_again(self):
+        calls = []
+        mv = frame_macview.MacView(["ssh"], lambda remote, **kw: calls.append(remote) or "", "frame")
+        mv.agent = mock.Mock(poll=lambda: None)
+        mv.call = lambda path, **kw: {"closed": 1}
+        mv.shown = {"window:5"}
+        with mock.patch.object(frame_macview.time, "sleep"):
+            gen = mv.shows
+            mv.shown.clear()
+            mv._end_viewer_browser(gen)
+            self.assertEqual(len(calls), 1)
+            self.assertIn("pkill -f '[f]rame-control/mac-view", calls[0])
+            mv.shows += 1  # Show pressed during the wait: leave the new viewer alone
+            mv._end_viewer_browser(gen)
+            self.assertEqual(len(calls), 1)
+            mv.launching = 1  # a Show replacing its own stream is still launching
+            mv._end_viewer_browser(mv.shows)
+            self.assertEqual(len(calls), 1)
+        # A Show waits while the cleanup checks and runs pkill.
+        mv.launching = 0
+        in_pkill, release, entered = threading.Event(), threading.Event(), threading.Event()
+
+        def blocking_pkill(remote, **kw):
+            in_pkill.set()
+            release.wait(5)
+        mv.run = blocking_pkill
+        mv._show = lambda *a: entered.set() or "shown"
+        with mock.patch.object(frame_macview.time, "sleep"):
+            cleanup = threading.Thread(target=mv._end_viewer_browser, args=(mv.shows,))
+            cleanup.start()
+            self.assertTrue(in_pkill.wait(2))
+            shower = threading.Thread(target=mv.show, args=("window:5",))
+            shower.start()
+            self.assertFalse(entered.wait(0.3), "Show started while the cleanup held the lock")
+            release.set()
+            self.assertTrue(entered.wait(2))
+            cleanup.join()
+            shower.join()
+
+    def test_tunnel_prefers_the_usb_c_network_when_plugged_in(self):
+        mv = frame_macview.MacView(["ssh"], lambda remote, **kw: "13: usb0 inet 10.86.200.233/29 scope global", "frame")
+        ssh_g = mock.Mock(stdout="user steamos\nhostname frame.example.ts.net\n")
+        with mock.patch.object(frame_macview.socket, "create_connection") as conn, \
+                mock.patch.object(frame_macview.subprocess, "run", return_value=ssh_g):
+            self.assertEqual(mv._usb_route(), ["-o", "HostName=10.86.200.233", "-o", "HostKeyAlias=frame.example.ts.net"])
+            conn.assert_called_once_with(("10.86.200.233", 22), timeout=1)
+            ssh_g.stdout = "hostname frame.example.ts.net\nhostkeyalias paired-frame\n"  # a configured alias wins
+            conn.side_effect = None
+            self.assertIn("HostKeyAlias=paired-frame", mv._usb_route())
+            conn.side_effect = OSError("unplugged")
+            self.assertEqual(mv._usb_route(), [])
+        mv.run = lambda remote, **kw: ""  # no usb0
+        self.assertEqual(mv._usb_route(), [])
+        mv.prefer_usb = False
+        mv.run = lambda remote, **kw: self.fail("no ssh when USB is off")
+        self.assertEqual(mv._usb_route(), [])
+
+    def test_a_failed_usb_tunnel_falls_back_to_the_network(self):
+        mv = frame_macview.MacView(["ssh"], lambda *a, **k: "", "frame")
+        mv._usb_route = lambda: ["-o", "HostName=10.86.200.233"]
+        tried = []
+
+        def attempt(via, ports):
+            tried.append(list(via))
+            mv._last_tunnel_error = "Connection refused"
+            return not via  # USB fails, the normal path works
+        mv._open_tunnel = attempt
+        mv.tunnel_up = lambda: False
+        mv.ensure_tunnel()
+        self.assertEqual(tried, [["-o", "HostName=10.86.200.233"], []])
+        self.assertEqual(mv.route, "network")
+
+
+class WS:
+    """A minimal WebSocket client (masked frames out, plain frames in)."""
+
+    def __init__(self, port, path):
+        self.s = socket.create_connection(("127.0.0.1", port), timeout=10)
+        key = base64.b64encode(os.urandom(16)).decode()
+        self.s.sendall(f"GET {path} HTTP/1.1\r\nHost: x\r\nUpgrade: websocket\r\nConnection: Upgrade\r\n"
+                       f"Sec-WebSocket-Key: {key}\r\nSec-WebSocket-Version: 13\r\n\r\n".encode())
+        head = b""
+        while b"\r\n\r\n" not in head:
+            head += self.s.recv(1)
+        self.status = int(head.split()[1])
+        self.buf = b""
+
+    def _read(self, n):
+        while len(self.buf) < n:
+            chunk = self.s.recv(65536)
+            if not chunk:
+                raise EOFError
+            self.buf += chunk
+        out, self.buf = self.buf[:n], self.buf[n:]
+        return out
+
+    def recv(self):
+        b0, b1 = self._read(2)
+        n = b1 & 0x7F
+        if n == 126:
+            n = struct.unpack(">H", self._read(2))[0]
+        elif n == 127:
+            n = struct.unpack(">Q", self._read(8))[0]
+        return b0 & 0x0F, self._read(n)
+
+    def send_text(self, text):
+        data, mask = text.encode(), os.urandom(4)
+        head = bytes([0x81, 0x80 | len(data)]) if len(data) < 126 else bytes([0x81, 0xFE]) + struct.pack(">H", len(data))
+        self.s.sendall(head + mask + bytes(c ^ mask[i % 4] for i, c in enumerate(data)))
+
+    def close(self):
+        self.s.close()
+
+
+@unittest.skipUnless(sys.platform == "darwin" and shutil.which("xcrun"), "the agent is macOS-only")
+class Agent(unittest.TestCase):
+    @classmethod
+    def setUpClass(cls):
+        cls.tmp = tempfile.mkdtemp()
+        cls.bin = Path(cls.tmp) / "frame-mac-view"
+        r = subprocess.run(["/bin/sh", str(ROOT / "mac" / "frame-mac-view" / "build.sh"), str(cls.bin)],
+                           capture_output=True, text=True, timeout=600)
+        if r.returncode:  # a real failure on a Mac with Xcode: don't hide it as a skip
+            raise AssertionError("agent didn't build:\n" + (r.stderr or r.stdout)[-2000:])
+        cls.token = "t0ken-" + os.urandom(6).hex()
+        cls.proc = subprocess.Popen([str(cls.bin), "serve", "--port", "0", "--page", str(ROOT / "ui" / "mac-view.html"),
+                                     "--exit-on-eof"], env={**os.environ, "FRAME_MAC_VIEW_TOKEN": cls.token},
+                                    stdin=subprocess.PIPE, stdout=subprocess.PIPE, text=True)
+        line = cls.proc.stdout.readline()
+        cls.port = int(line.rsplit(":", 1)[1])
+
+    @classmethod
+    def tearDownClass(cls):
+        cls.proc.stdin.close()  # --exit-on-eof
+        cls.proc.stdout.close()
+        try:
+            cls.proc.wait(5)
+        except subprocess.TimeoutExpired:
+            cls.proc.kill()
+        shutil.rmtree(cls.tmp, ignore_errors=True)
+
+    def get(self, path, method="GET"):
+        c = http.client.HTTPConnection("127.0.0.1", self.port, timeout=10)
+        c.request(method, path)
+        r = c.getresponse()
+        return r.status, r.read()
+
+    def test_token_is_required(self):
+        self.assertEqual(self.get("/status")[0], 403)
+        self.assertEqual(self.get("/status?k=wrong")[0], 403)
+        status, body = self.get(f"/status?k={self.token}")
+        self.assertEqual(status, 200)
+        self.assertIn("screen", json.loads(body))
+
+    def test_serves_the_viewer_page(self):
+        status, body = self.get(f"/view?k={self.token}&src=test")
+        self.assertEqual(status, 200)
+        self.assertIn(b"VideoDecoder", body)
+
+    def test_snapshot_needs_the_key(self):
+        self.assertEqual(self.get("/snapshot?display=1")[0], 403)
+
+    def test_separate_without_accessibility_explains(self):
+        if json.loads(self.get(f"/status?k={self.token}")[1])["accessibility"]:
+            self.skipTest("this Mac allows Accessibility here")
+        ws = WS(self.port, f"/stream?k={self.token}&src=separate:1")
+        self.assertEqual(ws.status, 101)
+        for _ in range(5):
+            op, data = ws.recv()
+            msg = json.loads(data) if op == 1 else {}
+            if msg.get("t") in ("error", "closed"):
+                break
+        self.assertIn("Accessibility", msg.get("message", msg.get("reason", "")))
+        ws.close()
+
+    def test_lists_displays(self):
+        status, body = self.get(f"/displays?k={self.token}")
+        self.assertEqual(status, 200)
+        self.assertIsInstance(json.loads(body)["displays"], list)
+
+    def ticket(self, src):
+        status, body = self.get(f"/ticket?k={self.token}&src={src}", method="POST")
+        self.assertEqual(status, 200)
+        return json.loads(body)["ticket"]
+
+    def test_ping_and_page_are_open_but_streams_are_not(self):
+        self.assertEqual(self.get("/ping"), (200, b"frame-mac-view"))
+        self.assertEqual(WS(self.port, "/stream?src=test").status, 403)
+        self.assertEqual(self.get("/ticket?src=test", method="POST")[0], 403)
+
+    def test_tickets_are_single_use_and_tied_to_one_source(self):
+        t = self.ticket("test")
+        self.assertEqual(WS(self.port, f"/stream?src=display:1&t={t}").status, 403)  # wrong source
+        ws = WS(self.port, f"/stream?src=test&t={t}")
+        self.assertEqual(ws.status, 101)
+        hello = json.loads(ws.recv()[1])
+        self.assertEqual(hello["t"], "hello")
+        # Until the viewer acknowledges, a retry (the hello got lost) gets the
+        # same key, and replaces the first viewer rather than adding one.
+        retry = WS(self.port, f"/stream?src=test&t={t}")
+        self.assertEqual(retry.status, 101)
+        self.assertEqual(json.loads(retry.recv()[1])["r"], hello["r"])
+        time.sleep(0.3)
+        _, body = self.get(f"/status?k={self.token}")
+        self.assertEqual(len(json.loads(body)["streams"]), 1)
+        ws.close()
+        ws = retry
+        ws.send_text(json.dumps({"t": "ack"}))
+        time.sleep(0.3)
+        self.assertEqual(WS(self.port, f"/stream?src=test&t={t}").status, 403)  # spent
+        again = WS(self.port, f"/stream?src=test&r={hello['r']}")  # the viewer reconnecting
+        self.assertEqual(again.status, 101)
+        again.close()
+        ws.close()
+        # Stop revokes the reconnect key.
+        self.get(f"/close?k={self.token}&src=test", method="POST")
+        self.assertEqual(WS(self.port, f"/stream?src=test&r={hello['r']}").status, 403)
+
+    def test_stop_revokes_tickets_not_yet_used(self):
+        t = self.ticket("test")
+        self.get(f"/close?k={self.token}&src=test", method="POST")
+        self.assertEqual(WS(self.port, f"/stream?src=test&t={t}").status, 403)
+
+    def test_bad_frame_lengths_close_the_socket_not_the_agent(self):
+        ws = WS(self.port, f"/stream?src=test&t={self.ticket('test')}")
+        self.assertEqual(ws.status, 101)
+        # A masked frame claiming 2^63 bytes.
+        ws.s.sendall(bytes([0x81, 0xFF]) + struct.pack(">Q", 1 << 63) + os.urandom(4))
+        with self.assertRaises((EOFError, OSError)):
+            for _ in range(1000):
+                ws.recv()
+        ws.close()
+        self.assertEqual(self.get(f"/status?k={self.token}")[0], 200)
+
+    def test_stream_input_and_close(self):
+        ws = WS(self.port, f"/stream?k={self.token}&src=test&codec=h264&fps=30&max=640")
+        self.assertEqual(ws.status, 101)
+        info = None
+        key = None
+        for _ in range(200):
+            op, data = ws.recv()
+            if op == 1:
+                msg = json.loads(data)
+                if msg["t"] == "hello":
+                    continue
+                if msg["t"] == "error":
+                    self.skipTest("no H.264 encoder here: " + msg["message"])
+                if msg["t"] == "info":
+                    info = msg
+            elif op == 2 and data[0] == 1:
+                key = data
+            if info and key:
+                break
+        self.assertEqual(info["src"], "test")
+        self.assertTrue(info["input"])
+        # A keyframe: flags, 8-byte timestamp, sequence number, input echoed,
+        # then Annex B with the SPS first.
+        self.assertEqual(key[17:21], b"\x00\x00\x00\x01")
+        self.assertEqual(key[21] & 0x1F, 7)  # NAL type 7, SPS
+        ws.send_text(json.dumps({"t": "m", "e": "down", "b": 0, "x": 0.5, "y": 0.5}))
+        ws.send_text(json.dumps({"t": "key-frame"}))
+        got_key = False
+        for _ in range(200):
+            op, data = ws.recv()
+            if op == 2 and data[0] == 1:
+                got_key = True
+                break
+        self.assertTrue(got_key, "no keyframe after asking for one")
+        _, body = self.get(f"/status?k={self.token}")
+        self.assertEqual([s["src"] for s in json.loads(body)["streams"]], ["test"])
+        status, body = self.get(f"/close?k={self.token}", method="POST")
+        self.assertEqual(json.loads(body)["closed"], 1)
+        for _ in range(400):
+            op, data = ws.recv()
+            if op == 1 and json.loads(data)["t"] == "close":
+                break
+        self.assertEqual(json.loads(data)["t"], "close")
+        # Without the viewer doing anything, the agent ends the stream itself.
+        time.sleep(1)
+        _, body = self.get(f"/status?k={self.token}")
+        self.assertEqual(json.loads(body)["streams"], [])
+        ws.close()
+
+    def test_timing_reports_and_input_echo(self):
+        # What a viewer does: sync clocks, report each frame, stamp input.
+        ws = WS(self.port, f"/stream?k={self.token}&src=test&codec=h264&fps=30&max=640")
+        self.assertEqual(ws.status, 101)
+        ws.send_text(json.dumps({"t": "w"}))  # keep-warm filler: ignored
+        ws.send_text(json.dumps({"t": "ping", "c": 1.5}))
+        pong, echoed, seqs, info = None, None, [], None
+        clicked = False
+        deadline = time.time() + 10
+        while time.time() < deadline and not (pong and echoed):
+            op, data = ws.recv()
+            if op == 1:
+                msg = json.loads(data)
+                if msg["t"] == "error":
+                    self.skipTest("no H.264 encoder here: " + msg["message"])
+                if msg["t"] == "pong":
+                    pong = msg
+                if msg["t"] == "info":
+                    info = msg
+            elif op == 2:
+                seq, echo = struct.unpack(">II", data[9:17])
+                seqs.append(seq)
+                now = pong["a"] if pong else 0
+                ws.send_text(json.dumps({"t": "rx", "s": seq, "r": now}))
+                ws.send_text(json.dumps({"t": "fd", "f": [[seq, now + 1, now + 2, now + 3]], "drop": 0}))
+                if echo == 7:
+                    echoed = seq
+                if len(seqs) == 3 and not clicked:
+                    ws.send_text(json.dumps({"t": "m", "e": "down", "b": 0, "x": 0.5, "y": 0.5, "i": 7, "tv": now}))
+                    clicked = True
+        self.assertEqual(pong["c"], 1.5)
+        self.assertGreater(pong["a"], 0)
+        self.assertEqual(seqs[:3], sorted(seqs[:3]))
+        self.assertIsNotNone(echoed, "no frame was tagged as the first reply to the click")
+        time.sleep(1.7)  # frames are reported once the viewer has had time
+        stream = json.loads(self.get(f"/stats?k={self.token}")[1])["streams"][0]
+        first = stream["frames"][0]
+        self.assertGreater(first["e1"], first["e0"])
+        self.assertGreaterEqual(first["e0"], first["cap"])
+        self.assertEqual(first["vs"] - first["rx"], 3)
+        self.assertEqual([i["frame"] for i in stream["inputs"] if i["id"] == 7], [echoed])
+        self.assertIn("total", stream["summary"])
+        self.assertEqual(info["warm"], 0)  # off unless FRAME_MAC_VIEW_WARM is set
+        live = json.loads(self.get(f"/status?k={self.token}")[1])["streams"][0]
+        self.assertEqual(live["controller"]["tier"], 0)
+        self.assertIn("fps", live["stats"])
+        ws.close()
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/ui/apk_sources/__init__.py b/ui/apk_sources/__init__.py
new file mode 100644
index 0000000..88df1f4
--- /dev/null
+++ b/ui/apk_sources/__init__.py
@@ -0,0 +1,45 @@
+"""APK sources: every place Frame Control can find and download APKs.
+
+One module per source kind in this package. Each module exposes the same small
+interface so ``search.py`` can query them all and show where every result came
+from. Python stdlib only; must run on Python 3.9.
+
+Module interface
+----------------
+KIND = 'sidequest'            # stable id of the source kind
+def sources() -> list[dict]   # configured sources of this kind (a kind can have
+                              # several, e.g. one per F-Droid-format repo)
+def search(source, query, limit=50) -> list[dict]   # Entry dicts, best first
+def details(source, entry_id) -> dict               # Entry with 'versions'
+def download(source, entry_id, version_code=None) -> dict
+    # {'apk': local path, 'obb': [paths], 'sha256': hex or None, 'verified': bool}
+    # Raise SourceError with a user-readable message on failure.
+
+Source dict
+-----------
+{'id': 'sidequest', 'kind': KIND, 'name': 'SideQuest', 'url': 'https://...',
+ 'builtin': True, 'enabled': True, 'trust': 'official' | 'community' | 'user'}
+
+Entry dict (missing facts are None, never guessed)
+----------
+{'source': source id, 'id': source-local id, 'package': 'org.example.app' or None,
+ 'name': str, 'summary': str, 'icon': url or None, 'page': url or None,
+ 'version': '1.2', 'version_code': 12, 'min_sdk': 24, 'abis': ['arm64-v8a'],
+ 'vr': True/False/None, 'size': bytes, 'free': True, 'license': 'GPL-3.0' or None,
+ 'updated': 'YYYY-MM-DD', 'downloadable': bool,   # False = open page only
+ 'versions': [ {version, version_code, min_sdk, size, updated}, ... ]}  # details() only
+
+Rules
+-----
+- Only sources that distribute APKs with the developer's consent: free listings,
+  never paid apps re-hosted, no licence or entitlement workarounds.
+- Honour each site's terms and robots rules; if automated download isn't allowed,
+  return entries with 'downloadable': False and a 'page' link instead.
+- Cache indexes under frame_host.cache_dir('apk-sources'); send a clear
+  User-Agent ('FrameControl/<version>'); keep requests modest.
+- Tests use recorded fixtures, never the network.
+"""
+
+
+class SourceError(Exception):
+    """User-readable failure from a source (network, format, verification)."""
diff --git a/ui/frame_android.py b/ui/frame_android.py
index 1d96b5c..d3a3a4e 100644
--- a/ui/frame_android.py
+++ b/ui/frame_android.py
@@ -6,12 +6,18 @@ apps, the lepton-show-flatscreen marker; plus a non-Steam shortcut, so it shows
 in the Steam library and gets its own SteamVR panel. Nothing goes through
 Lepton Development, which wipes its apps on exit. See docs/apks.md.
 
-Python stdlib only. CLI: python3 ui/frame_android.py {info APK|versions APK-or-PKG|install APK|list|launch PKG|stop PKG|remove PKG|probe PKG}
+Python stdlib only. CLI: python3 ui/frame_android.py
+  install APK [--vr|--flat] [--no-xr-compat] | info APK | versions APK-or-PKG
+  patch SRC DST [--add NAME=PATH ...] | list | launch PKG | stop PKG | remove PKG | probe PKG
 """
-import json, os, re, shlex, shutil, subprocess, sys, threading, time, zlib
+import json, os, re, shlex, shutil, struct, subprocess, sys, threading, time, zlib
 
 import frame_apk
 import frame_host
+import tempfile
+import zipfile
+from frame_apk_vr import add_launcher_category
+from frame_apk_sign import repack
 
 ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 FRAME = os.environ.get('FRAME_ALIAS', 'frame')
@@ -20,6 +26,13 @@ COMPAT = '.local/share/Steam/steamapps/compatdata'
 SHADERS = '.local/share/Steam/steamapps/shadercache'
 LAUNCHER = os.path.join(ROOT, 'frame', 'android', 'lepton-app.sh')
 SHORTCUTS = os.path.join(ROOT, 'frame', 'android', 'steam_shortcuts.py')
+# OpenXR API layer that lets OpenXR 1.1 apps run on SteamVR's 1.0-only Android
+# runtime (frame/openxr-compat, docs/vr-apks.md). Injected into VR APKs.
+XR_COMPAT = os.path.join(ROOT, 'frame', 'openxr-compat')
+XR_COMPAT_FILES = {
+    'assets/openxr/1/api_layers/implicit.d/XrApiLayer_FRAME_compat.json': 'XrApiLayer_FRAME_compat.json',
+    'lib/arm64-v8a/libXrApiLayer_FRAME_compat.so': 'prebuilt/arm64-v8a/libXrApiLayer_FRAME_compat.so',
+}
 PKG_RE = re.compile(r'^[A-Za-z][\w]*(\.[A-Za-z_][\w]*)+$')
 SSH_OPTS = ['-o', 'BatchMode=yes', '-o', 'ConnectTimeout=8']
 
@@ -65,6 +78,22 @@ def apk_info(path):
         raise FrameError(f'{os.path.basename(path)}: {e}')
 
 
+def xr_compat_files(apk_path):
+    """The layer's files to add, or {} if the APK has no OpenXR loader or already has the layer."""
+    with zipfile.ZipFile(apk_path) as z:
+        names = set(z.namelist())
+    if 'lib/arm64-v8a/libopenxr_loader.so' not in names or names & set(XR_COMPAT_FILES):
+        return {}
+    add = {}
+    for entry, rel in XR_COMPAT_FILES.items():
+        try:
+            with open(os.path.join(XR_COMPAT, rel), 'rb') as f:
+                add[entry] = f.read()
+        except OSError:
+            raise FrameError("the OpenXR compatibility layer isn't built; run frame/openxr-compat/build.sh")
+    return add
+
+
 def check_installable(info):
     if info['min_sdk'] and info['min_sdk'] > 30:
         raise FrameError(f"{info['label']} needs Android API {info['min_sdk']}; Lepton is Android 11 (API 30)")
@@ -111,7 +140,7 @@ def _write_meta(d, meta):
 install_hooks = []
 
 
-def install(apk_path, flatscreen=True, name=None, source=None, icon_png=None):
+def install(apk_path, flatscreen=None, name=None, source=None, icon_png=None, xr_compat=None):
     start, info = time.time(), None
     try:
         info = apk_info(apk_path)
@@ -121,8 +150,20 @@ def install(apk_path, flatscreen=True, name=None, source=None, icon_png=None):
         pkg = info['package']
         if not PKG_RE.match(pkg):
             raise FrameError(f'unexpected package name {pkg!r}')
+        if flatscreen is None:
+            flatscreen = not info['vr']
+        # VR apps get the OpenXR compatibility layer unless told otherwise; it only
+        # changes calls SteamVR would otherwise reject.
+        add = xr_compat_files(apk_path) if (info['vr'] if xr_compat is None else xr_compat) else {}
         with _install_lock:
-            meta = _install(apk_path, info, pkg, flatscreen, name, source)
+            if add or info['repairable']:
+                with tempfile.TemporaryDirectory(prefix='frame-vr-') as tmp:
+                    patched = os.path.join(tmp, 'app.apk')
+                    info['patched'] = patch(apk_path, patched, add)['patched']
+                    info['launchable'] = True
+                    meta = _install(patched, info, pkg, flatscreen, name, source or os.path.basename(apk_path))
+            else:
+                meta = _install(apk_path, info, pkg, flatscreen, name, source)
     except FrameError as e:
         _after_install(info, None, e, start)
         raise
@@ -163,6 +204,8 @@ def _install(apk_path, info, pkg, flatscreen, name, source):
                 raise FrameError(f'Steam did not return a shortcut id (got {reply[:80]!r})')
         meta = {'package': pkg, 'label': name or info['label'], 'version': info['version'],
                 'instance': iid, 'shortcut': shortcut, 'game_id': game_id(shortcut),
+                'vr': info.get('vr', False), 'vr_issues': info.get('vr_issues', []),
+                'launchable': info.get('launchable', False), 'patched': info.get('patched', []),
                 'flatscreen': flatscreen, 'installed': time.strftime('%Y-%m-%dT%H:%M:%S'),
                 'source': source or os.path.basename(apk_path)}
         _write_meta(d, meta)
@@ -293,19 +336,59 @@ def probe(pkg, wait=20):
             'container_up': ctr in running_instances()}
 
 
+def patch(src, dst, add=None):
+    try:
+        info = apk_info(src)
+        with zipfile.ZipFile(src) as z:
+            original = frame_apk._read(z, 'AndroidManifest.xml', frame_apk.MAX_MANIFEST)
+        manifest = add_launcher_category(original) if info['repairable'] else original
+        if not info['launchable'] and not info['repairable']:
+            raise FrameError('APK has no MAIN/LAUNCHER activity that Frame Control can patch')
+        repack(src, dst, replace={'AndroidManifest.xml': manifest}, add=add)
+        result = apk_info(dst)
+        result.pop('icon_png', None)
+        result['patched'] = (['launcher'] if manifest != original else []) + \
+            (['openxr-compat'] if add and set(XR_COMPAT_FILES) <= set(add) else [])
+        return result
+    except (OSError, ValueError, IndexError, struct.error, zipfile.BadZipFile, frame_apk.ApkError) as e:
+        raise FrameError(str(e)) from e
+
+
 def main():
     cmd, *args = sys.argv[1:] or ['help']
     try:
         if cmd in ('info', 'versions'):
             import frame_apk_versions
             if cmd == 'info':
-                print(frame_apk_versions.describe(apk_info(args[0])))
+                info = apk_info(args[0])
+                print(frame_apk_versions.describe(info))
+                fix = '; Frame Control adds the LAUNCHER entry Lepton needs' if info.get('repairable') else ''
+                if info.get('vr') or fix:
+                    print(('VR app' if info.get('vr') else 'Android app') + fix)
+                for note in info.get('vr_issues', []):
+                    print(note)
                 return
             info = apk_info(args[0]) if os.path.isfile(args[0]) or args[0].lower().endswith('.apk') else None
             r = frame_apk_versions.alternatives(
                 info['package'] if info else args[0], info.get('version_code') if info else None)
         elif cmd == 'install':
-            r = install(args[0], flatscreen='--vr' not in args)
+            r = install(args[0], flatscreen=False if '--vr' in args else True if '--flat' in args else None,
+                        xr_compat=False if '--no-xr-compat' in args else None)
+        elif cmd == 'patch':
+            import argparse
+            parser = argparse.ArgumentParser(description='Patch and v2-sign an APK locally')
+            parser.add_argument('src')
+            parser.add_argument('dst')
+            parser.add_argument('--add', action='append', default=[], metavar='NAME=PATH')
+            opts = parser.parse_args(args)
+            additions = {}
+            for item in opts.add:
+                if '=' not in item:
+                    raise FrameError('--add requires NAME=PATH')
+                entry, path = item.split('=', 1)
+                with open(path, 'rb') as f:
+                    additions[entry] = f.read()
+            r = patch(opts.src, opts.dst, additions)
         elif cmd == 'list':
             r = list_apps()
         elif cmd in ('launch', 'stop', 'probe'):
@@ -314,7 +397,7 @@ def main():
             r = remove(args[0], keep_data='--keep-data' in args)
         else:
             sys.exit(__doc__)
-    except FrameError as e:
+    except (FrameError, OSError) as e:
         sys.exit(f'error: {e}')
     print(json.dumps(r, indent=1))
 
diff --git a/ui/frame_apk.py b/ui/frame_apk.py
index d96f95b..7b7a9ff 100644
--- a/ui/frame_apk.py
+++ b/ui/frame_apk.py
@@ -10,7 +10,8 @@ import zipfile
 
 # android: attribute resource ids; names can be stripped by shrinkers, ids can't.
 ATTR = {0x01010001: 'label', 0x01010002: 'icon', 0x01010003: 'name',
-        0x0101021b: 'versionCode', 0x0101021c: 'versionName', 0x0101020c: 'minSdkVersion'}
+        0x01010024: 'value', 0x0101021b: 'versionCode', 0x0101021c: 'versionName', 0x0101020c: 'minSdkVersion',
+        0x01010202: 'targetActivity'}
 T_REF, T_STRING, T_INT_DEC, T_INT_HEX = 0x01, 0x03, 0x10, 0x11
 # APKs can come from websites (install links), so nothing read from one may be
 # unbounded. zipfile stops at a member's declared size, so checking it is enough.
@@ -215,8 +216,11 @@ def apk_info(path):
         if 'AndroidManifest.xml' not in names:
             raise ApkError('not an APK: no AndroidManifest.xml')
         try:
-            elements = manifest_elements(_read(z, 'AndroidManifest.xml', MAX_MANIFEST))
+            manifest_data = _read(z, 'AndroidManifest.xml', MAX_MANIFEST)
+            elements = manifest_elements(manifest_data)
             res = Resources(_read(z, 'resources.arsc', MAX_ARSC) if 'resources.arsc' in names else b'')
+            from frame_apk_vr import detection
+            vr_info = detection(manifest_data, names)
         except (struct.error, IndexError, zipfile.BadZipFile) as e:
             raise ApkError(f'could not read the APK manifest: {e}')
         tags = {}
@@ -236,6 +240,7 @@ def apk_info(path):
             'min_sdk': min_sdk[1] if min_sdk and min_sdk[0] in (T_INT_DEC, T_INT_HEX) else None,
             'icon_png': None,
         }
+        info.update(vr_info)
         try:
             info['icon_png'] = _icon_png(z, names, _icons(app.get('icon'), res))
         except Exception:  # noqa: BLE001 - any unreadable icon just means no icon
diff --git a/ui/frame_apk_sign.py b/ui/frame_apk_sign.py
new file mode 100644
index 0000000..68580c5
--- /dev/null
+++ b/ui/frame_apk_sign.py
@@ -0,0 +1,361 @@
+"""Lossless ZIP repacking and APK v2 RSA/SHA-256 signing, Python 3.9 stdlib.
+
+Spec: https://source.android.com/docs/security/features/apksigning/v2
+Sections: APK Signing Block; APK Signature Scheme v2 Block; Integrity-protected
+contents; Verification. No verity algorithm is used, so no verity padding.
+"""
+import hashlib
+import io
+import json
+import math
+import os
+from pathlib import Path
+import re
+import secrets
+import struct
+import tempfile
+import zipfile
+import zlib
+
+import frame_host
+
+MAGIC = b'APK Sig Block 42'
+V2 = 0x7109871a
+ALG = 0x0103
+SHA256_DER = bytes.fromhex('3031300d060960864801650304020105000420')
+
+
+def u32(n):
+    return struct.pack('<I', n)
+
+
+def lp(b):
+    return u32(len(b)) + b
+
+
+def der(tag, b):
+    n = len(b)
+    length = bytes([n]) if n < 128 else bytes([128 + (n.bit_length() + 7) // 8]) + n.to_bytes((n.bit_length() + 7) // 8, 'big')
+    return bytes([tag]) + length + b
+
+
+def integer(n):
+    b = n.to_bytes((n.bit_length() + 7) // 8 or 1, 'big')
+    return der(2, (b'\0' if b[0] & 128 else b'') + b)
+
+
+def sequence(*items):
+    return der(0x30, b''.join(items))
+
+
+RSA_ALG = bytes.fromhex('300d06092a864886f70d0101010500')
+CERT_ALG = bytes.fromhex('300d06092a864886f70d01010b0500')
+
+
+def public_key(key):
+    return sequence(RSA_ALG, der(3, b'\0' + sequence(integer(key['n']), integer(key['e']))))
+
+
+def encoded_hash(data, size):
+    digest = SHA256_DER + hashlib.sha256(data).digest()
+    return b'\0\1' + b'\xff' * (size - len(digest) - 3) + b'\0' + digest
+
+
+def rsa_sign(data, key):
+    size = (key['n'].bit_length() + 7) // 8
+    return pow(int.from_bytes(encoded_hash(data, size), 'big'), key['d'], key['n']).to_bytes(size, 'big')
+
+
+def rsa_verify(data, sig, n, e):
+    size = (n.bit_length() + 7) // 8
+    if len(sig) != size or int.from_bytes(sig, 'big') >= n:
+        raise ValueError('invalid RSA signature size/value')
+    actual = pow(int.from_bytes(sig, 'big'), e, n).to_bytes(size, 'big')
+    if actual != encoded_hash(data, size):
+        raise ValueError('RSA signature mismatch')
+
+
+def certificate(key):
+    name = sequence(der(0x31, sequence(bytes.fromhex('0603550403'), der(12, b'Frame Control APK signer'))))
+    validity = sequence(der(0x17, b'200101000000Z'), der(0x18, b'21200101000000Z'))
+    tbs = sequence(der(0xa0, integer(2)), integer(1), CERT_ALG, name, validity, name, public_key(key))
+    return sequence(tbs, CERT_ALG, der(3, b'\0' + rsa_sign(tbs, key)))
+
+
+def _prime(bits):
+    small = (3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47)
+    while True:
+        n = secrets.randbits(bits) | (3 << (bits - 2)) | 1
+        if any(n % p == 0 for p in small) or (n - 1) % 65537 == 0:
+            continue
+        d, s = n - 1, 0
+        while d % 2 == 0:
+            d //= 2
+            s += 1
+        for _ in range(40):  # Miller-Rabin error bound <= 2^-80
+            x = pow(secrets.randbelow(n - 3) + 2, d, n)
+            if x in (1, n - 1):
+                continue
+            for _ in range(s - 1):
+                x = pow(x, 2, n)
+                if x == n - 1:
+                    break
+            else:
+                break
+        else:
+            return n
+
+
+def signing_key(path=None):
+    """Persistent identity in app data, never an evictable cache. Atomic publication.
+
+    Hard-linking a fully written private temp file prevents concurrent first-use
+    callers from selecting different identities or reading a partial key.
+    """
+    path = Path(path) if path is not None else frame_host.data_dir('apk-signing-key.json')
+    if not path.exists():
+        p, q = _prime(1024), _prime(1024)
+        while q == p:
+            q = _prime(1024)
+        key = {'n': p * q, 'e': 65537, 'd': pow(65537, -1, math.lcm(p - 1, q - 1))}
+        path.parent.mkdir(parents=True, exist_ok=True)
+        fd, tmp = tempfile.mkstemp(prefix='.apk-key-', dir=str(path.parent))
+        try:
+            with os.fdopen(fd, 'w') as f:
+                json.dump(key, f)
+                f.flush()
+                os.fsync(f.fileno())
+            try:
+                os.link(tmp, path)  # never replaces a key another process wrote first
+            except FileExistsError:
+                pass
+            except OSError:  # no hard links (FAT/exFAT): plain rename
+                if not path.exists():
+                    os.replace(tmp, path)
+        finally:
+            if os.path.exists(tmp):
+                os.unlink(tmp)
+    os.chmod(path, 0o600)  # Windows ignores this; the per-user app-data folder is the protection there
+    key = json.loads(path.read_text())
+    if key['n'].bit_length() != 2048 or key['e'] != 65537:
+        raise ValueError(f'invalid cached APK signing key; delete {path} to make a new one '
+                         '(re-signed apps then need reinstalling)')
+    rsa_verify(b'key check', rsa_sign(b'key check', key), key['n'], key['e'])
+    return key
+
+
+def _eocd(data):
+    # ZIP comments can contain the EOCD signature; accept only an exact EOF fit.
+    for at in range(len(data) - 22, max(-1, len(data) - 65558), -1):
+        if data[at:at + 4] == b'PK\5\6' and at + 22 + struct.unpack_from('<H', data, at + 20)[0] == len(data):
+            disk, cd_disk, count_disk, count, size, cd = struct.unpack_from('<HHHHII', data, at + 4)
+            if disk or cd_disk or count_disk != count or count == 65535 or cd + size != at:
+                raise ValueError('multi-disk/ZIP64 or invalid APK directory')
+            return at, cd
+    raise ValueError('missing ZIP end record')
+
+
+def content_digest(sections):
+    chunks = []
+    for section in sections:
+        for off in range(0, len(section), 1024 * 1024):
+            part = section[off:off + 1024 * 1024]
+            chunks.append(hashlib.sha256(b'\xa5' + u32(len(part)) + part).digest())
+    return hashlib.sha256(b'\x5a' + u32(len(chunks)) + b''.join(chunks)).digest()
+
+
+def sign_apk(data, key):
+    eo, cd = _eocd(data)
+    digest = content_digest((memoryview(data)[:cd], memoryview(data)[cd:eo], data[eo:]))
+    signed = lp(lp(u32(ALG) + lp(digest))) + lp(lp(certificate(key))) + lp(b'')
+    signer = lp(signed) + lp(lp(u32(ALG) + lp(rsa_sign(signed, key)))) + lp(public_key(key))
+    value = lp(lp(signer))
+    pair = struct.pack('<Q', 4 + len(value)) + u32(V2) + value
+    size = len(pair) + 24
+    block = struct.pack('<Q', size) + pair + struct.pack('<Q', size) + MAGIC
+    end = bytearray(data[eo:])
+    struct.pack_into('<I', end, 16, cd + len(block))
+    return data[:cd] + block + data[cd:eo] + end
+
+
+def _parts(data):
+    result, off = [], 0
+    while off < len(data):
+        if off + 4 > len(data):
+            raise ValueError('truncated length prefix')
+        size = struct.unpack_from('<I', data, off)[0]
+        off += 4
+        if off + size > len(data):
+            raise ValueError('length prefix outside block')
+        result.append(data[off:off + size])
+        off += size
+    return result
+
+
+def _der_parts(data):
+    result, off = [], 0
+    while off < len(data):
+        start = off
+        tag, size = data[off:off + 2]
+        off += 2
+        if size & 128:
+            count = size & 127
+            if not count or count > 4:
+                raise ValueError('invalid DER length')
+            size = int.from_bytes(data[off:off + count], 'big')
+            off += count
+        if off + size > len(data):
+            raise ValueError('truncated DER')
+        result.append((tag, data[off:off + size], data[start:off + size]))
+        off += size
+    return result
+
+
+def _cert_key(cert):
+    outer = _der_parts(cert)
+    if len(outer) != 1 or outer[0][0] != 0x30:
+        raise ValueError('invalid certificate')
+    fields = _der_parts(outer[0][1])
+    tbs = _der_parts(fields[0][1])
+    spki = tbs[6 if tbs[0][0] == 0xa0 else 5][2]
+    pub = _der_parts(_der_parts(spki)[0][1])
+    if pub[0][2] != RSA_ALG or pub[1][1][:1] != b'\0':
+        raise ValueError('certificate is not RSA')
+    numbers = _der_parts(_der_parts(pub[1][1][1:])[0][1])
+    n, e = [int.from_bytes(item[1], 'big') for item in numbers]
+    return n, e, spki
+
+
+def verify(path):
+    """Verify this v2-only format; return True or raise ValueError on corruption.
+
+    A valid signature establishes integrity, not trust in the APK publisher.
+    """
+    data = Path(path).read_bytes()
+    try:
+        eo, cd = _eocd(data)
+        if data[cd - 16:cd] != MAGIC:
+            raise ValueError('no APK signing block')
+        size = struct.unpack_from('<Q', data, cd - 24)[0]
+        start = cd - size - 8
+        if start < 0 or struct.unpack_from('<Q', data, start)[0] != size:
+            raise ValueError('invalid signing block size')
+        off, values = start + 8, []
+        while off < cd - 24:
+            length = struct.unpack_from('<Q', data, off)[0]
+            if length < 4 or off + 8 + length > cd - 24:
+                raise ValueError('invalid signing pair')
+            ident = struct.unpack_from('<I', data, off + 8)[0]
+            if ident == V2:
+                values.append(data[off + 12:off + 8 + length])
+            off += 8 + length
+        if off != cd - 24 or len(values) != 1:
+            raise ValueError('missing or duplicate v2 signer block')
+        end = bytearray(data[eo:])
+        struct.pack_into('<I', end, 16, start)
+        digest = content_digest((memoryview(data)[:start], memoryview(data)[cd:eo], end))
+        wrappers = _parts(values[0])
+        if len(wrappers) != 1:
+            raise ValueError('invalid signers sequence')
+        signers = _parts(wrappers[0])
+        if not signers:
+            raise ValueError('no signers')
+        for signer in signers:
+            signed, signatures, pub = _parts(signer)
+            digests, certs, attrs = _parts(signed)
+            cert = _parts(certs)[0]
+            n, e, cert_pub = _cert_key(cert)
+            if cert_pub != pub:
+                raise ValueError('public key differs from certificate')
+            sigs, digs = _parts(signatures), _parts(digests)
+            if len(sigs) != 1 or len(digs) != 1 or sigs[0][:4] != u32(ALG) or digs[0][:4] != u32(ALG):
+                raise ValueError('unsupported signature algorithm')
+            if _parts(digs[0][4:]) != [digest]:
+                raise ValueError('APK content digest mismatch')
+            sig = _parts(sigs[0][4:])
+            if len(sig) != 1:
+                raise ValueError('invalid signature sequence')
+            rsa_verify(signed, sig[0], n, e)
+        return True
+    except (IndexError, struct.error, OverflowError) as exc:
+        raise ValueError('malformed APK signature: ' + str(exc)) from exc
+
+
+def repack(src, dst, replace=None, add=None, sign=True):
+    """Copy raw compressed members; reconstruct ZIP headers without descriptors.
+
+    Reject ZIP64/encrypted archives. Output is atomically replaced after signing.
+    """
+    replace, add = dict(replace or {}), dict(add or {})
+    central, output = [], io.BytesIO()
+    with open(src, 'rb') as raw, zipfile.ZipFile(raw) as archive:
+        names = archive.namelist()
+        if len(set(names)) != len(names):
+            raise ValueError('duplicate ZIP member names')
+        if set(replace) - set(names) or set(add) & set(names) or set(add) & set(replace):
+            raise ValueError('replace must exist and add must be new')
+        items = archive.infolist() + [zipfile.ZipInfo(name) for name in add]
+        for info in items:
+            name = info.filename
+            if re.match(r'^META-INF/(?:[^/]+\.(?:SF|RSA|EC|DSA)|MANIFEST\.MF)$', name, re.I):
+                continue
+            if info.flag_bits & 1 or info.compress_type not in (0, 8):
+                raise ValueError('unsupported ZIP encryption/compression')
+            method = info.compress_type
+            content = add.get(name) if name in add else replace.get(name)
+            if content is None:
+                raw.seek(info.header_offset)
+                header = raw.read(30)
+                if header[:4] != b'PK\3\4':
+                    raise ValueError('invalid local ZIP header')
+                nl, el = struct.unpack_from('<HH', header, 26)
+                raw.seek(nl + el, 1)
+                compressed = raw.read(info.compress_size)
+                crc, usize = info.CRC, info.file_size
+                if len(compressed) != info.compress_size:
+                    raise ValueError('truncated ZIP member')
+            else:
+                crc, usize = zlib.crc32(content), len(content)
+                if method == 8:
+                    compressor = zlib.compressobj(6, zlib.DEFLATED, -15)
+                    compressed = compressor.compress(content) + compressor.flush()
+                else:
+                    compressed = content
+            encoded = name.encode('utf-8')
+            offset = output.tell()
+            align = 16384 if name.endswith('.so') else 4
+            needs_alignment = method == 0 or name.endswith('.so')
+            padding = (-(offset + 30 + len(encoded) + 6) % align) if needs_alignment else 0
+            # Android zipalign extra: alignment (uint16), then padding bytes.
+            extra = struct.pack('<HHH', 0xd935, padding + 2, align) + bytes(padding) if needs_alignment else b''
+            dt = info.date_time
+            dos_time = (dt[3] << 11) | (dt[4] << 5) | (dt[5] // 2)
+            dos_date = ((dt[0] - 1980) << 9) | (dt[1] << 5) | dt[2]
+            csize = len(compressed)
+            if max(offset, csize, usize) >= 0xffffffff:
+                raise ValueError('ZIP64 APKs are unsupported')
+            output.write(struct.pack('<IHHHHHIIIHH', 0x04034b50, 20, 0x800, method, dos_time, dos_date,
+                                     crc, csize, usize, len(encoded), len(extra)) + encoded + extra + compressed)
+            central.append(struct.pack('<IHHHHHHIIIHHHHHII', 0x02014b50, 0x314, 20, 0x800, method,
+                                       dos_time, dos_date, crc, csize, usize, len(encoded), 0, len(info.comment),
+                                       0, info.internal_attr, info.external_attr, offset) + encoded + info.comment)
+        cd = output.tell()
+        directory = b''.join(central)
+        if len(central) >= 65535 or cd + len(directory) >= 0xffffffff:
+            raise ValueError('ZIP64 APKs are unsupported')
+        output.write(directory)
+        output.write(struct.pack('<IHHHHIIH', 0x06054b50, 0, 0, len(central), len(central), len(directory), cd, len(archive.comment)) + archive.comment)
+    data = output.getvalue()
+    if sign:
+        data = sign_apk(data, signing_key())
+    dst = Path(dst)
+    fd, tmp = tempfile.mkstemp(prefix='.apk-', dir=str(dst.parent))
+    try:
+        with os.fdopen(fd, 'wb') as f:
+            f.write(data)
+        if sign:
+            verify(tmp)
+        os.replace(tmp, dst)
+    finally:
+        if os.path.exists(tmp):
+            os.unlink(tmp)
diff --git a/ui/frame_apk_vr.py b/ui/frame_apk_vr.py
new file mode 100644
index 0000000..013fd55
--- /dev/null
+++ b/ui/frame_apk_vr.py
@@ -0,0 +1,128 @@
+"""Binary-manifest VR inspection and minimal launcher repair (stdlib only)."""
+import struct
+import frame_apk
+
+MAIN = 'android.intent.action.MAIN'
+LAUNCHER = 'android.intent.category.LAUNCHER'
+VR = {'com.oculus.intent.category.VR', 'org.khronos.openxr.intent.category.IMMERSIVE_HMD'}
+
+
+def inspect(data):
+    elements = iter(frame_apk.manifest_elements(data))
+    stack, filters, samsung = [], [], False
+    current, owner, package = None, None, ''
+    for kind, hs, off, size in frame_apk._chunks(data, 8, len(data)):
+        if kind == 0x0102:
+            tag, attrs = next(elements)
+            value = attrs.get('name', (None, None, None))[2]
+            if tag == 'manifest':
+                package = attrs.get('package', (None, None, None))[2] or ''
+            if tag in ('activity', 'activity-alias'):
+                owner = attrs.get('targetActivity', (None, None, None))[2] if tag == 'activity-alias' else value
+                if owner and '.' not in owner:  # PackageParser.buildClassName: bare names are relative too
+                    owner = '.' + owner
+                owner = package + owner if owner and owner.startswith('.') else owner
+            if tag == 'intent-filter' and stack and stack[-1] in ('activity', 'activity-alias'):
+                current = {'actions': set(), 'categories': set(), 'templates': [], 'alias': stack[-1] == 'activity-alias', 'activity': owner}
+            if current is not None and stack and stack[-1] == 'intent-filter':
+                if tag == 'action':
+                    current['actions'].add(value)
+                if tag == 'category':
+                    current['categories'].add(value)
+                    current['templates'].append((off, size, hs))
+            if tag == 'meta-data' and stack and stack[-1] == 'application':
+                samsung |= value == 'com.samsung.android.vr.application.mode' and attrs.get('value', (0, 0, None))[2] == 'vr_only'
+            stack.append(tag)
+        elif kind == 0x0103 and stack:
+            tag = stack.pop()
+            if tag == 'intent-filter' and current is not None:
+                current['end'] = off
+                filters.append(current)
+                current = None
+    mains = [f for f in filters if MAIN in f['actions']]
+    vr_filters = [f for f in mains if VR & f['categories']]
+    # Lepton's apk-info-extractor ignores <activity-alias>; Godot 4 puts LAUNCHER only there.
+    real = [f for f in mains if not f['alias']]
+    targets = [f for f in real if VR & f['categories']]
+    if not targets and any(LAUNCHER in f['categories'] or VR & f['categories'] for f in mains if f['alias']):
+        aimed = {f['activity'] for f in mains if f['alias'] and (LAUNCHER in f['categories'] or VR & f['categories'])}
+        targets = [f for f in real if f['templates']]  # the patch copies an existing <category>
+        targets = [f for f in targets if f['activity'] in aimed] or targets
+    launchable = any(LAUNCHER in f['categories'] for f in real)
+    return {'launchable': launchable, 'repairable': not launchable and bool(targets),
+            'vr_activity': bool(vr_filters), 'vr': bool(vr_filters) or samsung}, targets
+
+
+def _append_string(chunk, text):
+    _, hs, size, count, styles, flags, start, style_start = struct.unpack_from('<HHIIIIII', chunk)
+    strings_end = style_start or size
+    encoded = text.encode('utf-8' if flags & 0x100 else 'utf-16-le')
+    # LAUNCHER is short enough for both single-unit length encodings.
+    new = (bytes([len(text), len(encoded)]) + encoded + b'\0' if flags & 0x100
+           else struct.pack('<H', len(text)) + encoded + b'\0\0')
+    string_data = chunk[start:strings_end] + new
+    string_data += bytes(-len(string_data) % 4)
+    header = bytearray(chunk[:hs])
+    new_start = start + 4
+    new_styles = new_start + len(string_data) if style_start else 0
+    body = (chunk[hs:hs + count * 4] + struct.pack('<I', strings_end - start)
+            + chunk[hs + count * 4:start] + string_data + (chunk[style_start:] if style_start else b''))
+    struct.pack_into('<IIIII', header, 8, count + 1, styles, flags & ~1, new_start, new_styles)
+    struct.pack_into('<I', header, 4, len(header) + len(body))
+    return bytes(header) + body, count
+
+
+def add_launcher_category(axml_bytes):
+    info, filters = inspect(axml_bytes)
+    if info['launchable']:
+        return axml_bytes
+    if not filters:
+        raise frame_apk.ApkError('no activity with a MAIN intent filter that Frame Control can patch')
+    target = filters[0]
+    chunks = list(frame_apk._chunks(axml_bytes, 8, len(axml_bytes)))
+    pool = next(c for c in chunks if c[0] == 1)
+    _, _, po, ps = pool
+    new_pool, index = _append_string(axml_bytes[po:po + ps], LAUNCHER)
+    off, size, hs = target['templates'][0]
+    start = bytearray(axml_bytes[off:off + size])
+    attr_start, attr_size, count = struct.unpack_from('<HHH', start, hs + 8)
+    strings = frame_apk._string_pool(axml_bytes, po)
+    resmap = []
+    for kind, header_size, offset, chunk_size in chunks:
+        if kind == 0x180:
+            resmap = struct.unpack_from('<%dI' % ((chunk_size - header_size) // 4),
+                                        axml_bytes, offset + header_size)
+    for i in range(count):
+        a = hs + attr_start + i * attr_size
+        name = struct.unpack_from('<I', start, a + 4)[0]
+        if (name < len(resmap) and resmap[name] == 0x01010003) or strings[name] == 'name':
+            struct.pack_into('<I', start, a + 8, index)
+            struct.pack_into('<HBBI', start, a + 12, 8, 0, 3, index)
+            break
+    else:
+        raise frame_apk.ApkError('category has no name attribute')
+    end = struct.pack('<HHI', 0x0103, hs, hs + 8) + start[8:hs] + start[hs:hs + 8]
+    result = bytearray(axml_bytes[:8])
+    for _, _, off, size in chunks:
+        if off == target['end']:
+            result += start + end
+        result += new_pool if off == po else axml_bytes[off:off + size]
+    struct.pack_into('<I', result, 4, len(result))
+    result = bytes(result)
+    if not inspect(result)[0]['launchable']:
+        raise frame_apk.ApkError('launcher repair failed verification')
+    return result
+
+
+def detection(data, names):
+    info, _ = inspect(data)
+    issues = []
+    if 'lib/arm64-v8a/libvrapi.so' in names:
+        issues.append("Uses Meta's legacy VrApi, which the Frame doesn't have; it won't run.")
+    if any(n.endswith('/libovrplatformloader.so') for n in names):
+        issues.append("Uses Meta's platform SDK; if it checks your Quest store licence it will quit.")
+    if 'lib/arm64-v8a/libopenxr_loader.so' in names:
+        info['vr'] = True
+        issues.append('Uses OpenXR (good).')
+    info['vr_issues'] = issues
+    return info
diff --git a/ui/frame_macview.py b/ui/frame_macview.py
new file mode 100644
index 0000000..b89cf88
--- /dev/null
+++ b/ui/frame_macview.py
@@ -0,0 +1,456 @@
+"""Mac in the headset: stream Mac windows or displays into the Steam Frame as
+panels you can place anywhere, with the laser, wheel and keys driving the Mac.
+
+Runs on the Mac, inside Frame Control's server. The pieces:
+
+- mac/bin/frame-mac-view (Swift, built from mac/frame-mac-view): captures with
+  ScreenCaptureKit, encodes with VideoToolbox, serves ui/mac-view.html and one
+  WebSocket per stream on 127.0.0.1, and plays input back with CGEvent.
+- An `ssh -R` tunnel, so the Frame reaches the agent on its own 127.0.0.1.
+  Every request carries a random token, so other programs on the Frame
+  (Android apps included) can't watch or drive the Mac.
+- A Chromium app window on the Frame per stream, on gamescope's X display
+  with its own STEAM_GAME id, which makes it its own SteamVR panel (see
+  docs/panels.md). Chromium XR (~/chromium-xr) is preferred because it's
+  built with H.264; Flathub Chromium is the fallback.
+
+Stdlib only. MacView gets a plain ssh argv for the tunnel (its own
+connection) and the server's `run(remote, stdin=, timeout=)` for commands.
+"""
+import json
+import os
+import re
+import secrets
+import shutil
+import socket
+import subprocess
+import sys
+import threading
+import time
+import urllib.error
+import urllib.request
+import zlib
+from pathlib import Path
+from urllib.parse import quote, urlencode  # %20, not +: the agent's URLComponents keeps +
+
+HERE = Path(__file__).resolve().parent
+ROOT = HERE.parent
+PAGE = HERE / "mac-view.html"
+SOURCES = ROOT / "mac" / "frame-mac-view"
+AGENT = Path(os.environ.get("FRAME_MAC_VIEW") or ROOT / "mac" / "bin" / "frame-mac-view")
+REMOTE_PORTS = range(47900, 47920)
+SUPPORTED = sys.platform == "darwin"
+
+# Stream settings by name: long side in pixels, frames per second, H.264 bits
+# per pixel per frame, codec. JPEG is for a Frame browser without H.264.
+QUALITY = {
+    "sharp": {"max": 2560, "fps": 60, "bpp": 0.14, "codec": "h264"},
+    "balanced": {"max": 1920, "fps": 60, "bpp": 0.1, "codec": "h264"},
+    "light": {"max": 1280, "fps": 30, "bpp": 0.08, "codec": "h264"},
+    "compatible": {"max": 1280, "fps": 20, "bpp": 0.1, "codec": "jpeg"},
+}
+# Extra Chromium flags for viewers (see docs/mac-in-headset.md, "Measuring").
+BROWSER_FLAGS = []
+# Viewer windows are fitted inside a panel's size. gamescope made a 1280x720
+# request 1920x1080 anyway (verified 2026-09-28, build 20260925.6191901).
+PANEL_BOX = (1920, 1080)
+
+# Opens one viewer on gamescope's X display and gives its window its own panel
+# id. Args: appid url width height tag [browser flags...]. The page puts "[tag]" in its title at
+# once, which is how its X window is found (Chromium may hand the URL to an
+# instance that's already running, so there's no process to follow).
+LAUNCH = r"""set -u
+appid=$1 url=$2 w=$3 h=$4 tag=$5
+shift 5
+export DISPLAY=:0 LC_ALL=C.UTF-8
+unset WAYLAND_DISPLAY
+if ! xprop -root GAMESCOPE_FOCUSABLE_WINDOWS >/dev/null 2>&1; then
+  echo "The headset isn't showing anything (gamescope's display :0 isn't up). Wake it and try again." >&2
+  exit 2
+fi
+common=(--ozone-platform=x11 --force-device-scale-factor=1 --no-first-run --no-default-browser-check
+  --password-store=basic --disable-session-crashed-bubble --noerrdialogs --disable-infobars
+  --disable-features=Translate,MediaRouter --autoplay-policy=no-user-gesture-required
+  "--window-size=$w,$h" "$@" "--app=$url")
+if [ -x "$HOME/chromium-xr/chrome" ]; then
+  cmd=("$HOME/chromium-xr/chrome" "--user-data-dir=$HOME/.local/share/frame-control/mac-view" "${common[@]}")
+elif flatpak info org.chromium.Chromium >/dev/null 2>&1; then
+  cmd=(flatpak run org.chromium.Chromium
+    "--user-data-dir=$HOME/.var/app/org.chromium.Chromium/data/frame-mac-view" "${common[@]}")
+else
+  echo "NO_BROWSER"
+  exit 3
+fi
+log=/tmp/frame-mac-view.log
+setsid nohup "${cmd[@]}" >>"$log" 2>&1 </dev/null &
+for _ in $(seq 1 60); do
+  sleep 0.5
+  # xprop, not xwininfo: in a C locale xwininfo can't print a non-ASCII title
+  # at all, while xprop escapes those bytes and leaves the ASCII tag readable.
+  for win in $(xwininfo -root -children 2>/dev/null | awk '/^ +0x/ {print $1}'); do
+    xprop -id "$win" _NET_WM_NAME WM_NAME 2>/dev/null | grep -qF "[$tag]" || continue
+    if xprop -id "$win" -f STEAM_GAME 32c -set STEAM_GAME "$appid" 2>/dev/null; then
+      echo "panel valve.steam.desktopgame.$appid window $win"
+      exit 0
+    fi
+  done
+done
+echo "The viewer started, but its window didn't appear within 30 s. Chromium's log:" >&2
+tail -n 15 "$log" >&2
+exit 1
+"""
+
+
+class MacViewError(Exception):
+    pass
+
+
+def panel_id(src):
+    """A stable panel id per source, in the range panel-on-frame.sh uses."""
+    return 2_001_000_000 + zlib.crc32(f"mac:{src}".encode()) % 1_000_000
+
+
+def fit(w, h, box=PANEL_BOX):
+    s = min(box[0] / max(w, 1), box[1] / max(h, 1))
+    return max(320, round(w * s)), max(200, round(h * s))
+
+
+class MacView:
+    def __init__(self, tunnel_ssh, run, frame, track=None):
+        self.tunnel_ssh = list(tunnel_ssh)
+        self.run = run
+        self.frame = frame
+        self.track = track or (lambda proc: None)  # the server ends these on exit
+        self.lock = threading.Lock()
+        self.token = secrets.token_urlsafe(24)
+        self.agent = None
+        self.port = None
+        self.tunnel = None
+        self.remote_port = None
+        self.supervisor = None
+        self.closing = False
+        self.shows = 0  # counts Show presses, so a late cleanup can't close a new viewer
+        self.launching = 0  # Shows in progress (one may be replacing its own stream)
+        # Held by a Show while it counts itself in, and by the cleanup for its
+        # check and its pkill together, so a Show can't start in between.
+        self.viewer_lock = threading.Lock()
+        # Use the Frame's USB-C network when it's plugged into this Mac (see
+        # _usb_route); FRAME_MACVIEW_USB=0 turns that off.
+        self.prefer_usb = os.environ.get("FRAME_MACVIEW_USB") != "0"
+        self.route = "network"
+        self.shown = set()  # sources with a viewer out there, connected or retrying
+        self.browser_flags = list(BROWSER_FLAGS)
+
+    # ---- the agent on this Mac ----
+
+    def unavailable(self):
+        """Why this can't work here, or None."""
+        if not SUPPORTED:
+            return "Streaming your computer into the headset needs macOS."
+        if not AGENT.exists() and not (SOURCES.exists() and shutil.which("xcrun")):
+            return "The Mac streaming helper is missing from this copy of Frame Control."
+        return None
+
+    def build(self):
+        if AGENT.exists() and not self._stale():
+            return
+        if not (SOURCES / "build.sh").exists():
+            if AGENT.exists():
+                return
+            raise MacViewError("The Mac streaming helper is missing.")
+        r = subprocess.run(["/bin/sh", str(SOURCES / "build.sh"), str(AGENT)], capture_output=True, text=True,
+                           stdin=subprocess.DEVNULL, timeout=600)
+        if r.returncode != 0:
+            raise MacViewError("Couldn't build the Mac streaming helper: " + (r.stderr or r.stdout).strip()[-400:])
+
+    def _stale(self):
+        try:
+            built = AGENT.stat().st_mtime
+            return any(p.stat().st_mtime > built for p in (SOURCES / "Sources").glob("*.swift"))
+        except OSError:
+            return False
+
+    def ensure_agent(self):
+        with self.lock:
+            if self.agent and self.agent.poll() is None:
+                return
+            reason = self.unavailable()
+            if reason:
+                raise MacViewError(reason)
+            self.build()
+            env = {**os.environ, "FRAME_MAC_VIEW_TOKEN": self.token}
+            # The same port as before when restarting, so a running tunnel still
+            # fits; otherwise (or if it's gone) whatever the system gives.
+            for port in dict.fromkeys([self.port or 0, 0]):
+                self.agent = subprocess.Popen([str(AGENT), "serve", "--port", str(port), "--page", str(PAGE),
+                                               "--exit-on-eof"], env=env, stdin=subprocess.PIPE,
+                                              stdout=subprocess.PIPE, stderr=subprocess.STDOUT, text=True)
+                line = self.agent.stdout.readline()
+                m = re.search(r"listening on 127\.0\.0\.1:(\d+)", line)
+                if m:
+                    break
+                self.agent.kill()
+            else:
+                raise MacViewError(f"The Mac streaming helper didn't start: {line.strip() or 'no output'}")
+            if self.port != int(m.group(1)):
+                self._drop_tunnel()
+            self.port = int(m.group(1))
+            self.track(self.agent)
+            threading.Thread(target=self.agent.stdout.read, daemon=True).start()  # drain
+
+    def call(self, path, method="GET", **query):
+        """A request to the agent; starts it if needed."""
+        self.ensure_agent()
+        url = f"http://127.0.0.1:{self.port}{path}?{urlencode({**query, 'k': self.token}, quote_via=quote)}"
+        req = urllib.request.Request(url, method=method, data=b"" if method == "POST" else None)
+        try:
+            with urllib.request.urlopen(req, timeout=10) as r:
+                return json.load(r)
+        except (urllib.error.URLError, OSError, ValueError) as e:
+            raise MacViewError(f"The Mac streaming helper didn't answer: {e}")
+
+    # ---- the tunnel from the Frame ----
+
+    def _drop_tunnel(self):
+        if self.tunnel and self.tunnel.poll() is None:
+            self.tunnel.terminate()
+        self.tunnel = None
+
+    def tunnel_up(self):
+        return self.tunnel is not None and self.tunnel.poll() is None
+
+    def ensure_tunnel(self, allow_new_port=False):
+        """Open the tunnel, on the port viewers already use if there is one.
+        A new port only when nobody is watching, since viewers can't move."""
+        with self.lock:
+            if self.tunnel_up():
+                return
+            last = ""
+            ports = [self.remote_port] if self.remote_port else list(REMOTE_PORTS)
+            if self.remote_port and allow_new_port:
+                ports += [p for p in REMOTE_PORTS if p != self.remote_port]
+            usb = self._usb_route()
+            # USB-C first when it's there; if that fails (unplugged just now,
+            # something else at that address), the normal path.
+            for via in ([usb, []] if usb else [[]]):
+                self.route = "usb" if via else "network"
+                if self._open_tunnel(via, ports):
+                    return
+                last = self._last_tunnel_error
+            raise MacViewError(f"Couldn't open a tunnel from {self.frame} to this Mac: {last or 'no answer through it'}")
+
+    def _open_tunnel(self, via, ports):
+        """Tries the ports on one route; True once the tunnel answers. With self.lock held."""
+        last = ""
+        for port in ports:
+            proc = subprocess.Popen([*self.tunnel_ssh, *via, "-o", "ExitOnForwardFailure=yes",
+                                     "-o", "ServerAliveInterval=5", "-o", "ServerAliveCountMax=3", "-N",
+                                     "-R", f"127.0.0.1:{port}:127.0.0.1:{self.port}", self.frame],
+                                    stdin=subprocess.DEVNULL, stdout=subprocess.DEVNULL,
+                                    stderr=subprocess.PIPE, text=True)
+            # A taken port makes ssh exit once it's connected; a working
+            # tunnel answers the agent's status from the Frame's side.
+            ok = False
+            for _ in range(15):
+                time.sleep(0.4)
+                if proc.poll() is not None:
+                    break
+                if self._probe(port):
+                    ok = True
+                    break
+            if ok:
+                self.tunnel, self.remote_port = proc, port
+                self.track(proc)
+                self._supervise()
+                return True
+            if proc.poll() is None:
+                proc.terminate()
+                proc.wait()
+            last = (proc.stderr.read() or "").strip()
+            if "forward" not in last.lower():
+                break  # not a port clash: the Frame is unreachable this way
+        self._last_tunnel_error = last
+        return False
+
+    def _usb_route(self):
+        """ssh options to reach the Frame over its USB-C network, or [].
+
+        Plugged into a Mac, the Frame is a USB network device (macOS lists it
+        as "Steam Frame"): the Frame's usb0 answers at about 1 ms, with none
+        of Wi-Fi's stalls. Measured 2026-09-28: content latency 7 ms instead
+        of 10, click to screen 17 ms instead of 27 (docs/mac-in-headset.md).
+        The host key is the same, so it's checked against the usual name."""
+        if not self.prefer_usb:
+            return []
+        try:
+            out = self.run("ip -4 -o addr show usb0 2>/dev/null", timeout=8)
+        except Exception:
+            return []
+        m = re.search(r"inet (\d+\.\d+\.\d+\.\d+)/", out or "")
+        if not m:
+            return []
+        ip = m.group(1)
+        try:
+            socket.create_connection((ip, 22), timeout=1).close()
+        except OSError:
+            return []  # not plugged into this Mac
+        alias = self.frame
+        try:
+            cfg = subprocess.run(["ssh", "-G", self.frame], capture_output=True, text=True, timeout=5).stdout
+            opts = dict(line.split(None, 1) for line in cfg.splitlines() if " " in line)
+            alias = opts.get("hostkeyalias") or opts.get("hostname") or alias  # a configured alias wins
+        except (OSError, subprocess.SubprocessError):
+            pass
+        return ["-o", f"HostName={ip}", "-o", f"HostKeyAlias={alias}"]
+
+    def _supervise(self):
+        """Reopen the tunnel on the same port after the headset sleeps or the
+        network drops, so viewers that are retrying find the Mac again."""
+        if self.supervisor and self.supervisor.is_alive():
+            return
+
+        def loop():
+            while not self.closing:
+                time.sleep(5)
+                if self.closing or self.tunnel_up() or not (self.agent and self.agent.poll() is None):
+                    continue
+                try:
+                    self.ensure_tunnel()
+                except MacViewError:
+                    pass  # still unreachable; try again shortly
+
+        self.supervisor = threading.Thread(target=loop, daemon=True)
+        self.supervisor.start()
+
+    def _probe(self, port):
+        """Whether the Frame reaches the agent through the tunnel on `port`."""
+        # /ping needs no key, so none appears on the Frame's command lines.
+        cmd = f"curl -s -m 2 'http://127.0.0.1:{port}/ping'"
+        try:
+            return self.run(cmd, timeout=8).strip() == "frame-mac-view"
+        except Exception:  # noqa: BLE001 - the server's Failure, timeouts: all mean "not yet"
+            return False
+
+    # ---- viewers on the Frame ----
+
+    def show(self, src, quality="balanced", width=None, height=None):
+        with self.viewer_lock:
+            self.launching += 1
+        try:
+            return self._show(src, quality, width, height)
+        finally:
+            with self.viewer_lock:
+                self.launching -= 1
+
+    def _show(self, src, quality, width, height):
+        if src != "test" and not src.startswith(("window:", "display:", "separate:")):
+            raise MacViewError("Pick a window or display to show.")
+        self.shows += 1
+        q = QUALITY.get(quality) or QUALITY["balanced"]
+        state = self.call("/status")
+        if src != "test" and not state.get("screen"):
+            raise MacViewError("Frame Control needs Screen Recording permission first (Allow… under Mac in the headset).")
+        if src.startswith("separate:") and not state.get("accessibility"):
+            raise MacViewError("A window on its own display needs the Accessibility permission too, to move it "
+                               "(Allow… under Mac in the headset).")
+        self.shown -= set(state.get("finished", []))  # their Mac windows closed
+        if src in self.shown or any(st.get("src") == src for st in state.get("streams", [])):
+            # Showing it again replaces the old viewer, connected or not: this
+            # revokes its keys so it can't come back alongside the new one.
+            self.stop(src)
+        # Viewers that lost the tunnel keep retrying its old port, even though
+        # the agent no longer counts them, so only move when none are out there.
+        others = self.shown - {src}
+        self.ensure_tunnel(allow_new_port=not others)
+        appid = panel_id(src)
+        # Unique per launch, so a new window is never confused with an old one.
+        tag = "fc" + secrets.token_hex(4)
+        # A single-use ticket for this source, not Frame Control's key: the URL
+        # is visible in the Frame's process list.
+        ticket = self.call("/ticket", method="POST", src=src)["ticket"]
+        params = {"src": src, "t": ticket, "tag": tag, "codec": q["codec"], "max": q["max"], "fps": q["fps"],
+                  "bpp": q["bpp"]}
+        url = f"http://127.0.0.1:{self.remote_port}/view?{urlencode(params)}"
+        w, h = fit(width or 1280, height or 720)
+        args = " ".join(_quote(str(a)) for a in (appid, url, w, h, tag, *self.browser_flags))
+        try:
+            out = self.run("bash -s -- " + args, stdin=LAUNCH, timeout=60)
+        except Exception as e:  # noqa: BLE001 - the server's Failure carries the Frame's words
+            if "NO_BROWSER" in (getattr(e, "stdout", "") or ""):
+                raise MacViewError("The Frame needs a browser for this: install Chromium (Tools → Linux apps, "
+                                   "org.chromium.Chromium) or Chromium XR.")
+            raise MacViewError(str(e))
+        self.shown.add(src)
+        return {"panel": f"valve.steam.desktopgame.{appid}", "src": src, "detail": out.strip()}
+
+    def stop(self, src=None):
+        if src:
+            self.shown.discard(src)
+        else:
+            self.shown.clear()
+        if not (self.agent and self.agent.poll() is None):
+            return {"closed": 0}
+        out = self.call("/close", method="POST", **({"src": src} if src else {}))
+        if not self.shown:
+            threading.Thread(target=self._end_viewer_browser, args=(self.shows,), daemon=True).start()
+        return out
+
+    def _end_viewer_browser(self, shows):
+        """Chromium on the Frame outlives its last viewer window (verified
+        2026-09-28), so once nothing is shown, end it. It runs with a profile
+        of its own, so nothing else is touched."""
+        time.sleep(2)  # the viewers close their windows first
+        with self.viewer_lock:
+            if self.shown or self.shows != shows or self.launching:
+                return
+            try:
+                self.run("pkill -f '[f]rame-control/mac-view|[d]ata/frame-mac-view' || true", timeout=10)
+            except Exception:
+                pass
+
+    def state(self):
+        reason = self.unavailable()
+        if reason:
+            return {"available": False, "reason": reason}
+        status = self.call("/status")
+        windows = self.call("/windows").get("windows", []) if status.get("screen") else []
+        displays = self.call("/displays").get("displays", [])
+        return {"available": True, "screen": status.get("screen", False),
+                "accessibility": status.get("accessibility", False), "streams": status.get("streams", []),
+                "windows": windows, "displays": displays, "tunnel": self.tunnel_up(),
+                "route": self.route}
+
+    def restart_agent(self):
+        """Only if it's missing a permission: a running stream would stop."""
+        with self.lock:
+            if not (self.agent and self.agent.poll() is None):
+                return
+        status = self.call("/status")
+        if status.get("screen") and status.get("accessibility"):
+            return
+        with self.lock:
+            self.agent.terminate()
+            self.agent.wait(5)
+
+    def request_permissions(self):
+        return self.call("/permissions", method="POST")
+
+    def shutdown(self):
+        self.closing = True
+        try:
+            self.stop()
+        except MacViewError:
+            pass
+        for proc in (self.tunnel, self.agent):
+            if proc and proc.poll() is None:
+                proc.terminate()
+        # The helper puts separated windows back before it exits (about 1 s).
+        if self.agent:
+            try:
+                self.agent.wait(3)
+            except subprocess.TimeoutExpired:
+                self.agent.kill()
+
+
+def _quote(s):
+    return "'" + s.replace("'", "'\\''") + "'"
diff --git a/ui/index.html b/ui/index.html
index 2837eb6..708cc19 100644
--- a/ui/index.html
+++ b/ui/index.html
@@ -329,6 +329,13 @@
   .game-card .bar > i { display: block; height: 100%; background: var(--action); }
   .f-0 { color: var(--muted); }
   /* ---- Android display ---- */
+  #mvQuality { background: rgba(0,0,0,.28); color: var(--text); border: 1px solid transparent; border-radius: 3px; padding: 4px 6px; font: inherit; font-size: 12px; }
+  .mv-windows { max-height: 420px; overflow-y: auto; }
+  .mv-perm { background: rgba(255,190,60,.08); border: 1px solid rgba(255,190,60,.25); border-radius: 4px; padding: 10px 12px; margin-bottom: 12px; font-size: 13px; }
+  .mv-perm .row { margin-top: 8px; }
+  .mv-live { color: var(--green, #7fd67f); font-size: 12px; }
+  .mv-opt { display: block; font-size: 13px; margin: 0 0 12px; }
+  .mv-opt .sub { display: block; margin-left: 22px; font-size: 12px; }
   .disp select { width: 100%; background: rgba(0,0,0,.28); color: var(--text); border: 1px solid transparent; border-radius: 3px;
                  padding: 8px 10px; font: inherit; font-size: 13px; }
   .disp select:focus { outline: none; border-color: var(--blue); }
@@ -641,6 +648,12 @@
         <span class="desk-only">You can also drop files anywhere in this window.</span>
         <input type="file" id="fileInput" multiple hidden>
       </div>
+      <label class="sub" for="apkDisplay">Android display</label>
+      <select id="apkDisplay" aria-label="Android app display mode">
+        <option value="auto">Automatic (detect VR)</option>
+        <option value="flat">Flat screen</option>
+        <option value="vr">VR app</option>
+      </select>
       <div class="progress" id="prog"><i></i></div>
       <div class="shelf-head" style="margin-top:18px"><h2>Clipboard</h2></div>
       <textarea id="clipText" placeholder="Text to put on the Frame's clipboard…"></textarea>
@@ -708,6 +721,27 @@
       </div>
     </section>
 
+    <section class="panel" id="macview" hidden>
+      <div class="shelf-head"><h2>Mac in the headset</h2><span class="count" id="mvCount"></span><span class="spacer"></span>
+        <select id="mvQuality" title="Picture quality and bandwidth">
+          <option value="sharp">Sharp</option><option value="balanced" selected>Balanced</option>
+          <option value="light">Light</option><option value="compatible">Compatible (JPEG)</option>
+        </select>
+        <button class="small" id="mvRefresh">Refresh</button></div>
+      <label class="mv-opt"><input type="checkbox" id="mvSeparate" checked> Give each window its own display
+        <span class="sub">its menus and sheets come along, nothing covers it, and it goes back when you stop</span></label>
+      <div class="mv-perm" id="mvPerm" hidden></div>
+      <div class="list" id="mvDisplays"></div>
+      <div class="shelf-head" style="margin-top:16px"><h2>Windows</h2><span class="count" id="mvWinCount"></span></div>
+      <div class="list mv-windows" id="mvWindows"><div class="sub">Loading…</div></div>
+      <div class="row" style="margin-top:12px">
+        <button class="small" data-mv="show" data-src="test" data-title="Test pattern">Test pattern</button>
+        <button class="small danger" data-mv="stopall">Stop all</button>
+      </div>
+      <div class="hint">Each window or screen becomes its own panel in the headset. Place it with the SteamVR dashboard
+        (Float in World, Move, Size). Point and click with the laser, scroll with the thumbstick, and type on the Mac's keyboard.</div>
+    </section>
+
     <section class="panel" id="privacy">
       <div class="shelf-head"><h2>Privacy &amp; updates</h2><span class="spacer"></span><span class="sub" id="appVersion"></span></div>
       <label class="popt"><input type="checkbox" id="tUsage"><b>Anonymous usage statistics</b>
@@ -1520,6 +1554,7 @@ function upload(file, mode) {
     xhr.setRequestHeader("X-Frame-UI", UI_KEY);
     xhr.setRequestHeader("X-Filename", encodeURIComponent(file.name));
     xhr.setRequestHeader("X-Mode", mode);
+    if (mode === "apk") xhr.setRequestHeader("X-APK-Display", $("apkDisplay").value);
     const bar = $("prog").firstElementChild;
     $("prog").style.display = "block"; bar.style.width = "0";
     xhr.upload.onprogress = e => { if (e.lengthComputable) bar.style.width = (100 * e.loaded / e.total) + "%"; };
@@ -2313,10 +2348,85 @@ $("shotsRefresh").onclick = loadShots;
 $("shotsSaveNew").onclick = e => saveShots(shots.list.filter(s => !s.saved), e.currentTarget);
 $("shotsFolder").onclick = e => act($("shotsFolder").textContent, () => api("/api/open", { what: "shots" }), e.currentTarget);
 
+// ---- Mac in the headset: windows and displays as panels (ui/frame_macview.py) ----
+let mvSeq = 0, mvTimer = 0;
+// streaming: the src it's shown as (a window may be "separate:<id>"), or "".
+// How a live stream is doing: frames shown, Mac-to-headset delay, bitrate, and
+// whether the network made it step down (fewer frames, then fewer pixels).
+function mvHealth(st) {
+  if (!st) return "";
+  const x = st.stats || {}, c = st.controller || {}, bits = [];
+  if (x.fps) bits.push(`${Math.round(x.fps)} fps`);
+  if (x.total && x.total.p50 != null) bits.push(`${Math.round(x.total.p50)} ms`);
+  if (x.mbps) bits.push(`${x.mbps} Mbit/s`);
+  if (c.tier > 0) bits.push(`weak link: ${c.fps} fps${c.scale < 1 ? `, ${Math.round(c.scale * 100)}% size` : ""}`);
+  return bits.length ? " · " + esc(bits.join(" · ")) : "";
+}
+function mvRow(src, title, sub, w, h, streaming, st) {
+  return `<div class="item"><div class="grow"><div class="t">${esc(title)}</div>
+      <div class="s">${esc(sub)}${streaming ? ' · <span class="mv-live">in the headset</span>' + mvHealth(st) : ""}</div></div>
+    ${streaming ? `<button class="small" data-mv="stop" data-src="${esc(streaming)}">Stop</button>`
+                : `<button class="small action" data-mv="show" data-src="${esc(src)}" data-title="${esc(title)}" data-w="${w}" data-h="${h}">Show</button>`}
+  </div>`;
+}
+async function loadMacView(restart) {
+  const seq = ++mvSeq;
+  let s, err;
+  try { s = await api("/api/macview" + (restart ? "?restart=1" : "")); } catch (e) { err = e; }
+  if (seq !== mvSeq) return;
+  const box = $("macview");
+  if (err) { box.hidden = false; return failed($("mvWindows"), err); }
+  if (!s.available) { box.hidden = true; return; }
+  box.hidden = false;
+  const live = new Set((s.streams || []).map(x => x.src));
+  const byStream = src => (s.streams || []).find(x => x.src === src);
+  $("mvCount").textContent = live.size ? `${live.size} showing${s.route === "usb" ? " · over USB-C" : ""}` : "";
+  const perm = [];
+  if (!s.screen) perm.push(`Frame Control needs <b>Screen Recording</b> permission to show your windows.`);
+  if (!s.accessibility) perm.push(`Allow <b>Accessibility</b> too, so clicks and keys from the headset reach the Mac.`);
+  $("mvPerm").hidden = !perm.length;
+  $("mvPerm").innerHTML = perm.join(" ") + `<div class="row"><button class="small action" data-mv="perm">Allow…</button>
+    <span class="sub">Then press Refresh. macOS may ask you to reopen Frame Control.</span></div>`;
+  const liveAs = src => live.has(src) ? src : src.startsWith("window:") && live.has("separate:" + src.slice(7)) ? "separate:" + src.slice(7) : "";
+  $("mvDisplays").innerHTML = (s.displays || []).map(d =>
+    mvRow(d.src, `Whole screen: ${d.name}`, `${d.w}×${d.h}${d.main ? " · main display" : ""}`, d.w, d.h, liveAs(d.src), byStream(liveAs(d.src)))).join("");
+  const wins = s.windows || [];
+  $("mvWinCount").textContent = wins.length ? `${wins.length}` : "";
+  $("mvWindows").innerHTML = !s.screen ? `<div class="sub">Windows appear here once Screen Recording is allowed.</div>`
+    : wins.length ? wins.map(w => mvRow(w.src, w.title || w.app, `${w.title ? w.app + " · " : ""}${w.w}×${w.h}`, w.w, w.h, liveAs(w.src), byStream(liveAs(w.src)))).join("")
+    : `<div class="sub">No windows open on this Mac's current desktop.</div>`;
+  // Keep the numbers fresh while something is in the headset and the card is on screen.
+  clearTimeout(mvTimer);
+  const tick = () => { mvTimer = document.hidden || !box.offsetParent ? setTimeout(tick, 3000) : (loadMacView(), 0); };
+  if (live.size) mvTimer = setTimeout(tick, 3000);
+}
+$("mvRefresh").onclick = () => loadMacView(true);
+$("mvSeparate").checked = localStorage.getItem("mvSeparate") !== "0";
+$("mvSeparate").onchange = e => localStorage.setItem("mvSeparate", e.target.checked ? "1" : "0");
+$("macview").onclick = async e => {
+  const b = e.target.closest("[data-mv]"); if (!b) return;
+  const src = b.dataset.src;
+  if (b.dataset.mv === "show") {
+    const as = $("mvSeparate").checked && src.startsWith("window:") ? "separate:" + src.slice(7) : src;
+    await act(`Show ${b.dataset.title} in the headset`, async () => {
+      const r = await api("/api/macview", { action: "show", src: as, quality: $("mvQuality").value,
+                                            w: +b.dataset.w || undefined, h: +b.dataset.h || undefined });
+      return { message: `${b.dataset.title} is a panel in the headset now. Float it with the SteamVR dashboard.`, ...r };
+    }, b);
+  } else if (b.dataset.mv === "stop") {
+    await act("Stop showing it", () => api("/api/macview", { action: "stop", src }), b);
+  } else if (b.dataset.mv === "stopall") {
+    await act("Stop everything in the headset", () => api("/api/macview", { action: "stop" }), b);
+  } else if (b.dataset.mv === "perm") {
+    await act("Ask macOS for permission", () => api("/api/macview", { action: "permissions" }), b);
+  }
+  setTimeout(loadMacView, 800);
+};
+
 // ---- pages: #home, #games, #android, #tools (older section links still work) ----
 const PAGES = ["home", "games", "android", "tools"];
 const SECTION_PAGE = { view: "home", device: "home", shots: "home", library: "games", sideloaded: "games", getgames: "games",
-                       display: "android", transfer: "tools", apps: "tools", power: "tools", privacy: "tools" };
+                       display: "android", transfer: "tools", apps: "tools", power: "tools", macview: "tools", privacy: "tools" };
 let page = "home";
 function showPage() {
   const id = location.hash.slice(1);
@@ -2328,6 +2438,7 @@ function showPage() {
   document.title = page === "home" ? "Frame Control" : `${page[0].toUpperCase() + page.slice(1)} · Frame Control`;
   const section = !PAGES.includes(id) && id && $(id);
   if (section) section.scrollIntoView(); else window.scrollTo(0, 0);
+  if (page === "tools") loadMacView();
 }
 window.addEventListener("hashchange", showPage);
 // While a text field has focus, phones hide the bottom tab bar (see body.typing in the CSS).
diff --git a/ui/mac-view.html b/ui/mac-view.html
new file mode 100644
index 0000000..4d639f4
--- /dev/null
+++ b/ui/mac-view.html
@@ -0,0 +1,398 @@
+<!doctype html>
+<!-- Frame Control: one Mac window (or display) inside the Steam Frame.
+     Served by the Mac's frame-mac-view agent through an SSH tunnel and opened
+     on the Frame as its own Chromium app window, which gamescope turns into a
+     SteamVR panel. Video arrives over a WebSocket (H.264 Annex B for
+     WebCodecs, or JPEG); pointer, wheel and keys go back the same way. -->
+<html lang="en">
+<head>
+<meta charset="utf-8">
+<meta name="viewport" content="width=device-width, initial-scale=1">
+<title>Mac</title>
+<style>
+  html, body { margin: 0; height: 100%; background: #000; overflow: hidden; cursor: default; }
+  canvas { position: fixed; inset: 0; width: 100%; height: 100%; object-fit: contain; image-rendering: auto; }
+  #note { position: fixed; left: 50%; top: 16px; transform: translateX(-50%); max-width: 80%;
+          font: 15px/1.4 system-ui, sans-serif; color: #eee; background: rgba(20,22,26,.88);
+          padding: 8px 14px; border-radius: 10px; pointer-events: none; transition: opacity .4s; }
+  #note[hidden] { display: block; opacity: 0; }
+  #hud { position: fixed; left: 8px; top: 8px; font: 12px/1.35 ui-monospace, monospace; color: #dfe;
+         background: rgba(0,0,0,.72); padding: 6px 9px; border-radius: 6px; pointer-events: none; white-space: pre; }
+</style>
+</head>
+<body>
+<canvas id="c" width="16" height="9"></canvas>
+<div id="note">Connecting to the Mac…</div>
+<div id="hud" hidden></div>
+<script>
+"use strict";
+const q = new URLSearchParams(location.search);
+// t: a single-use ticket from Frame Control. After the first connection the
+// Mac sends a reconnect key, kept only in memory.
+const src = q.get("src") || "test", ticket = q.get("t") || "", tag = q.get("tag") || "";
+let reconnectKey = "";
+const c = document.getElementById("c"), ctx = c.getContext("2d", { alpha: false, desynchronized: true });
+const note = document.getElementById("note");
+// Counters for Frame Control's tests (read over DevTools).
+const stats = window.stats = { frames: 0, keyFrames: 0, bytes: 0, dropped: 0, codec: "", errors: [], info: null };
+
+// ---- timing: the Mac measures each frame's journey on its own clock ----
+// Clock sync, NTP-style: the Mac's time minus ours, from the ping with the
+// shortest round trip lately (the least queueing, so the least error).
+const clock = { off: null, rtt: 0, samples: [], reported: 0 };
+function toMac(ms) { return clock.off === null ? null : Math.round(ms * 1000 + clock.off); }
+function onPong(m) {
+  const now = performance.now(), rtt = now - m.c;
+  clock.samples.push({ rtt, off: m.a - (m.c + now) / 2 * 1000 });
+  if (clock.samples.length > 16) clock.samples.shift();
+  const best = clock.samples.reduce((a, b) => (b.rtt < a.rtt ? b : a));
+  clock.off = best.off;
+  clock.rtt = best.rtt;
+  if (now - clock.reported > 1000) {
+    clock.reported = now;
+    send({ t: "clock", rtt: +best.rtt.toFixed(2), dec: `${decoderInfo}; ${glInfo}; raf ${rafHz} Hz` });
+  }
+}
+let pingTimer = 0;
+function startPings() {
+  clearInterval(pingTimer);
+  clock.samples = [];
+  for (let i = 0; i < 10; i++) setTimeout(() => send({ t: "ping", c: performance.now() }), i * 40);
+  pingTimer = setInterval(() => send({ t: "ping", c: performance.now() }), 1000);
+}
+// Decoded, drawn and next-animation-frame times go back in batches.
+let reports = [], dropsToReport = 0, shownPending = null, rafQueued = false;
+setInterval(() => {
+  if (!reports.length && !dropsToReport) return;
+  send({ t: "fd", f: reports, drop: dropsToReport });
+  reports = [];
+  dropsToReport = 0;
+}, 250);
+function dropped() { stats.dropped++; dropsToReport++; }
+// A drawn frame is on screen from the next animation frame, unless another
+// replaces it first (then it was never seen).
+function shown(seq, decodedAt, drawnAt) {
+  if (shownPending) reports.push([shownPending.seq, toMac(shownPending.dec), toMac(shownPending.drawn), 0]);
+  shownPending = { seq, dec: decodedAt, drawn: drawnAt };
+  if (rafQueued) return;
+  rafQueued = true;
+  requestAnimationFrame(() => {
+    rafQueued = false;
+    const p = shownPending, now = performance.now();
+    shownPending = null;
+    if (p && clock.off !== null) reports.push([p.seq, toMac(p.dec), toMac(p.drawn), toMac(now)]);
+  });
+}
+let decoderInfo = "";
+// What this browser draws with, and how often it gives an animation frame
+// when nothing else is going on (both only for the numbers).
+let glInfo = "", rafHz = 0;
+try {
+  const gl = document.createElement("canvas").getContext("webgl");
+  const ext = gl && gl.getExtension("WEBGL_debug_renderer_info");
+  glInfo = ext ? gl.getParameter(ext.UNMASKED_RENDERER_WEBGL) : gl ? "webgl" : "no webgl";
+} catch (e) { glInfo = "?"; }
+(function measureRaf() {
+  let n = 0, t0 = 0;
+  const tick = t => {
+    if (!t0) t0 = t;
+    if (t - t0 < 1000) { n++; return requestAnimationFrame(tick); }
+    rafHz = Math.round(n * 1000 / (t - t0));
+  };
+  requestAnimationFrame(tick);
+})();
+const hud = document.getElementById("hud");
+function showHud(on) { hud.hidden = !on; }
+function ms(o) { return o && o.p50 !== undefined ? `${o.p50}/${o.p95}` : "–"; }
+function onStats(m) {
+  if (hud.hidden) return;
+  hud.textContent = `${m.size}  ${m.fps} fps shown (${m.sentFps} sent)  ${m.mbps} Mbit/s` +
+    (m.bitrate ? ` of ${(m.bitrate / 1e6).toFixed(1)}` : "") + (m.tier !== undefined ? `  tier ${m.tier}` : "") +
+    `\nlatency p50/p95 ms  total ${ms(m.total)}\n  capture ${ms(m.capture)}  queue ${ms(m.queue)}  encode ${ms(m.encode)}` +
+    `\n  network ${ms(m.network)}  decode ${ms(m.decode)}  draw ${ms(m.draw)}` +
+    `\ninput→shown p50 ${m.input ? m.input.p50.toFixed(0) + " ms" : "–"}  rtt ${m.rtt} ms` +
+    `\nskipped ${m.skipped}/${m.captured}  dropped ${m.dropped}  ${decoderInfo}`;
+}
+showHud(q.get("stats") === "1");
+// Frame Control finds this window on the Frame by the tag in its title.
+document.title = tag ? `Mac [${tag}]` : "Mac";
+let failedStarts = 0;
+let ws = null, dec = null, codecString = "", needKey = true, closing = false, retry = 0, noteTimer = 0, lastError = "";
+
+function show(text, ms) {
+  note.textContent = text;
+  note.hidden = false;
+  clearTimeout(noteTimer);
+  if (ms) noteTimer = setTimeout(() => { note.hidden = true; }, ms);
+}
+
+function send(obj) { if (ws && ws.readyState === 1) ws.send(JSON.stringify(obj)); }
+let lastKeyAsk = 0;
+function askKeyFrame() {
+  const now = performance.now();
+  if (now - lastKeyAsk < 500) return;
+  lastKeyAsk = now;
+  send({ t: "key-frame" });
+}
+
+let hideNoteOnFrame = true;  // "Connecting…"/"Reconnecting…" go once video flows again
+function drawFrame(img, w, h, seq, decodedAt) {
+  if (c.width !== w || c.height !== h) { c.width = w; c.height = h; }
+  ctx.drawImage(img, 0, 0);
+  shown(seq, decodedAt, performance.now());
+  stats.frames++;
+  if (hideNoteOnFrame) { hideNoteOnFrame = false; note.hidden = true; }
+}
+
+// ---- H.264 ----
+function startCode(b, i) { return b[i] === 0 && b[i + 1] === 0 && (b[i + 2] === 1 || (b[i + 2] === 0 && b[i + 3] === 1)); }
+function spsCodec(au) {
+  for (let i = 0; i + 7 < au.length; i++) {
+    if (!startCode(au, i)) continue;
+    const n = au[i + 2] === 1 ? i + 3 : i + 4;
+    if ((au[n] & 0x1f) === 7) return "avc1." + [au[n + 1], au[n + 2], au[n + 3]].map(b => b.toString(16).padStart(2, "0")).join("");
+    i = n;
+  }
+  return "";
+}
+function makeDecoder() {
+  if (dec) try { dec.close(); } catch (e) {}
+  codecString = "";
+  dec = new VideoDecoder({
+    // The chunk's timestamp is the Mac's sequence number, to match reports up.
+    output: frame => { drawFrame(frame, frame.displayWidth, frame.displayHeight, frame.timestamp, performance.now()); frame.close(); },
+    error: e => {
+      stats.errors.push(String(e.message || e));
+      needKey = true;
+      makeDecoder();
+      askKeyFrame();
+    },
+  });
+}
+function onH264(isKey, seq, au) {
+  if (isKey) {
+    const cs = spsCodec(au);
+    if (cs && (cs !== codecString || dec.state !== "configured")) {
+      if (dec.state === "closed") makeDecoder();
+      dec.configure({ codec: cs, optimizeForLatency: true, hardwareAcceleration: "no-preference" });
+      codecString = stats.codec = cs;
+    }
+    stats.keyFrames++;
+  }
+  if (dec.state !== "configured" || (needKey && !isKey)) { dropped(); askKeyFrame(); return; }
+  // Far behind: skip to the next keyframe rather than show old pictures late.
+  // A few queued frames are fine: decoding catches up faster than a keyframe
+  // crosses a slow link, and only the newest decoded frame gets drawn.
+  if (!isKey && dec.decodeQueueSize > 10) { needKey = true; dropped(); askKeyFrame(); return; }
+  needKey = false;
+  dec.decode(new EncodedVideoChunk({ type: isKey ? "key" : "delta", timestamp: seq, data: au }));
+}
+
+// ---- JPEG ----
+let jpegBusy = false;
+function onJPEG(seq, data) {
+  if (jpegBusy) { dropped(); return; }
+  jpegBusy = true;
+  createImageBitmap(new Blob([data], { type: "image/jpeg" })).then(bmp => {
+    drawFrame(bmp, bmp.width, bmp.height, seq, performance.now());
+    bmp.close();
+  }).catch(e => stats.errors.push(String(e))).finally(() => { jpegBusy = false; });
+}
+
+async function pickCodec() {
+  const want = q.get("codec");
+  if (want === "jpeg") return "jpeg";
+  if (!("VideoDecoder" in window)) return "jpeg";
+  try {
+    const r = await VideoDecoder.isConfigSupported({ codec: "avc1.640028", optimizeForLatency: true });
+    if (!r.supported) return "jpeg";
+    // Whether this browser has a hardware H.264 decoder (for the numbers).
+    const hw = await VideoDecoder.isConfigSupported({ codec: "avc1.640028", hardwareAcceleration: "prefer-hardware" })
+      .catch(() => ({ supported: false }));
+    decoderInfo = hw.supported ? "h264 hardware" : "h264 software";
+    return "h264";
+  } catch (e) { return "jpeg"; }
+}
+
+async function connect() {
+  const codec = await pickCodec();
+  stats.codec = codec;
+  if (codec === "h264") makeDecoder();
+  needKey = true;
+  const p = new URLSearchParams({ src, codec, max: q.get("max") || "1920", fps: q.get("fps") || "60" });
+  if (reconnectKey) p.set("r", reconnectKey); else p.set("t", ticket);
+  if (q.get("bpp")) p.set("bpp", q.get("bpp"));
+  ws = new WebSocket(`ws://${location.host}/stream?${p}`);
+  ws.binaryType = "arraybuffer";
+  ws.onopen = () => { retry = 0; lastError = ""; startPings(); };
+  ws.onmessage = ev => {
+    if (typeof ev.data === "string") return control(JSON.parse(ev.data));
+    const now = performance.now(), b = new Uint8Array(ev.data);
+    stats.bytes += b.length;
+    if (b.length < 18) return;
+    // flags (1 = keyframe), pts µs, sequence number, input echoed; big-endian.
+    const v = new DataView(ev.data), isKey = (b[0] & 1) === 1, seq = v.getUint32(9);
+    send({ t: "rx", s: seq, r: toMac(now) });
+    const payload = b.subarray(17);
+    if (codec === "h264") onH264(isKey, seq, payload); else onJPEG(seq, payload);
+  };
+  ws.onclose = () => {
+    ws = null;
+    clearInterval(pingTimer);
+    if (closing) return;
+    // Refused before ever getting a key: the ticket expired or was revoked,
+    // and retrying can't help.
+    if (!reconnectKey && ++failedStarts >= 3) {
+      show("This view has expired. Press Show in Frame Control on the Mac to open it again.");
+      return;
+    }
+    hideNoteOnFrame = true;
+    // The Mac may be asleep or the tunnel restarting: keep trying.
+    retry = Math.min(retry + 1, 6);
+    // Keep the Mac's reason (a missing permission, a closed window) on screen.
+    show(lastError ? `${lastError} Retrying…` : "Lost the Mac. Reconnecting…");
+    setTimeout(connect, 500 * 2 ** retry);
+  };
+}
+
+function control(m) {
+  if (m.t === "pong") return onPong(m);
+  if (m.t === "stats") return onStats(m);
+  if (m.t === "bench") return bench(m);
+  if (m.t === "hello") {
+    reconnectKey = m.r;
+    send({ t: "ack" });  // the ticket is spent only now
+  } else if (m.t === "info") {
+    stats.info = m;
+    warmMs = Math.max(0, +m.warm || 0);
+    const name = m.title && m.app && m.title !== m.app ? `${m.title} — ${m.app}` : (m.title || m.app || "Mac");
+    document.title = tag ? `${name} [${tag}]` : name;
+    if (!m.input) {
+      hideNoteOnFrame = false;  // a warning, not a connection notice: let it stay its 8 s
+      show("Clicks and keys need Accessibility permission on the Mac (Frame Control asks for it).", 8000);
+    }
+  } else if (m.t === "error") {
+    stats.errors.push(m.message);
+    lastError = m.message.replace(/\.?$/, ".");
+    show(m.message);
+  } else if (m.t === "close" || m.t === "closed") {
+    closing = true;
+    if (ws) ws.close();
+    show(m.reason ? `Stopped: ${m.reason}.` : "Stopped.");
+    window.close();
+  }
+}
+
+// ---- input ----
+// Where the picture sits inside the window (object-fit: contain letterboxes it).
+function toPicture(e) {
+  const r = c.getBoundingClientRect(), s = Math.min(r.width / c.width, r.height / c.height);
+  const w = c.width * s, h = c.height * s, left = r.left + (r.width - w) / 2, top = r.top + (r.height - h) / 2;
+  const x = (e.clientX - left) / w, y = (e.clientY - top) / h;
+  return { x, y, inside: x >= 0 && x <= 1 && y >= 0 && y <= 1 };
+}
+// Discrete input carries an id and when it happened (the Mac's clock), so
+// the Mac can tag the first frame that could show its effect.
+let inputId = 0;
+// Keep the Frame's Wi-Fi awake for a few seconds after input, when the agent asks.
+let warmMs = 0, warmUntil = 0, warmTimer = 0;
+function keepWarm() {
+  if (!warmMs) return;
+  warmUntil = performance.now() + 5000;
+  if (warmTimer) return;
+  warmTimer = setInterval(() => {
+    if (performance.now() > warmUntil) { clearInterval(warmTimer); warmTimer = 0; return; }
+    send({ t: "w" });
+  }, warmMs);
+}
+function stamp(m, e) {
+  keepWarm();
+  m.i = ++inputId;
+  m.tv = toMac(e && e.timeStamp ? e.timeStamp : performance.now());
+  return m;
+}
+// Moves go at most every 8 ms, on a timer rather than the next animation frame:
+// the Frame throttles a panel's animation frames to 15-36 Hz when it thinks
+// nobody is looking, which would hold a move back by up to 60 ms.
+let pendingMove = null, moveQueued = false, lastMove = 0;
+function flushMove() {
+  moveQueued = false;
+  if (pendingMove) { send(pendingMove); lastMove = performance.now(); }
+  pendingMove = null;
+}
+addEventListener("pointermove", e => {
+  const p = toPicture(e);
+  if (!p.inside && !e.buttons) return;
+  pendingMove = { t: "m", e: "move", x: p.x, y: p.y };
+  if (moveQueued) return;
+  const wait = lastMove + 8 - performance.now();
+  if (wait <= 0) return flushMove();
+  moveQueued = true;
+  setTimeout(flushMove, wait);
+});
+addEventListener("pointerdown", e => {
+  const p = toPicture(e);
+  if (!p.inside) return;
+  if (e.pointerId !== undefined) try { c.setPointerCapture(e.pointerId); } catch (err) {}
+  pendingMove = null;
+  send(stamp({ t: "m", e: "down", b: e.button < 0 ? 0 : e.button, x: p.x, y: p.y }, e));
+  e.preventDefault();
+});
+addEventListener("pointerup", e => {
+  const p = toPicture(e);
+  send({ t: "m", e: "up", b: e.button < 0 ? 0 : e.button, x: p.x, y: p.y });
+});
+// Let go of any held button where the pointer is on the Mac, not at a corner.
+addEventListener("pointercancel", () => send({ t: "release" }));
+addEventListener("contextmenu", e => e.preventDefault());
+addEventListener("wheel", e => {
+  const p = toPicture(e), unit = e.deltaMode === 1 ? 16 : e.deltaMode === 2 ? innerHeight : 1;
+  send(stamp({ t: "wheel", dx: e.deltaX * unit, dy: e.deltaY * unit, x: p.x, y: p.y }, e));
+  e.preventDefault();
+}, { passive: false });
+function mods(e) {
+  return ["shift", "ctrl", "alt", "meta"].filter(m => e[m + "Key"]);
+}
+function onKey(e, down) {
+  // Ctrl+Alt+Shift+S shows the numbers; it isn't sent to the Mac.
+  if (e.code === "KeyS" && e.ctrlKey && e.altKey && e.shiftKey) {
+    if (down) showHud(hud.hidden);
+    return e.preventDefault();
+  }
+  const m = { t: "k", e: down ? "down" : "up", code: e.code, key: e.key, mods: mods(e) };
+  send(down ? stamp(m, e) : m);
+  e.preventDefault();
+}
+
+// ---- benchmarks: the Mac asks the viewer to act as if someone did ----
+function keyCode(ch) {
+  if (/[a-z]/i.test(ch)) return "Key" + ch.toUpperCase();
+  if (/[0-9]/.test(ch)) return "Digit" + ch;
+  return { " ": "Space", "\n": "Enter", ".": "Period", ",": "Comma" }[ch] || "";
+}
+function bench(m) {
+  if (m.action === "overlay") return showHud(m.on !== 0 && m.on !== "0");
+  if (m.action === "click") {
+    const at = { x: +m.x || 0.5, y: +m.y || 0.5 };
+    send(stamp({ t: "m", e: "down", b: 0, ...at }));
+    setTimeout(() => send({ t: "m", e: "up", b: 0, ...at }), 40);
+  } else if (m.action === "type") {
+    const text = String(m.text || ""), gap = +m.interval || 150;
+    [...text].forEach((ch, n) => setTimeout(() => {
+      const code = keyCode(ch);
+      if (!code) return send(stamp({ t: "text", s: ch }));
+      const mods = ch !== ch.toLowerCase() ? ["shift"] : [];
+      send(stamp({ t: "k", e: "down", code, key: ch, mods }));
+      setTimeout(() => send({ t: "k", e: "up", code, key: ch, mods }), 30);
+    }, n * gap));
+  }
+}
+addEventListener("keydown", e => onKey(e, true));
+addEventListener("keyup", e => onKey(e, false));
+addEventListener("blur", () => send({ t: "release" }));
+
+show("Connecting to the Mac…");
+connect();
+</script>
+</body>
+</html>
diff --git a/ui/server.py b/ui/server.py
index c6c3a33..0f662b4 100755
--- a/ui/server.py
+++ b/ui/server.py
@@ -43,6 +43,7 @@ import frame_android  # noqa: E402
 import frame_apk_versions  # noqa: E402
 import frame_catalog  # noqa: E402
 import frame_host  # noqa: E402
+import frame_macview  # noqa: E402
 import frame_media  # noqa: E402
 import frame_report  # noqa: E402
 import frame_store  # noqa: E402
@@ -1358,6 +1359,46 @@ def push_media(path):
             "id": token + "/" + name}
 
 
+# ---- Mac in the headset (frame_macview.py) ----------------------------------
+
+# The tunnel gets its own connection: the shared master's options would win
+# over anything added after them.
+macview = frame_macview.MacView(["ssh", "-o", "BatchMode=yes", "-o", "ConnectTimeout=8"],
+                                lambda remote, stdin=None, timeout=30: ssh(remote, stdin=stdin, timeout=timeout),
+                                FRAME, track=_live_tunnels.add)
+
+
+def macview_state(query=None):
+    if LOCAL:
+        return {"available": False, "reason": "Runs on your computer, not the headset."}
+    try:
+        # Refresh restarts the helper, which picks up a permission just granted.
+        if (query or {}).get("restart") == ["1"]:
+            macview.restart_agent()
+        return macview.state()
+    except frame_macview.MacViewError as e:
+        raise Failure(str(e), 500)
+
+
+def macview_action(body):
+    """{action: show|stop|permissions, src, quality, w, h}."""
+    if LOCAL:
+        raise Failure("Runs on your computer, not the headset.", 400)
+    action = body.get("action")
+    try:
+        if action == "show":
+            w, h = body.get("w"), body.get("h")
+            return macview.show(str(body.get("src") or ""), str(body.get("quality") or "balanced"),
+                                int(w) if w else None, int(h) if h else None)
+        if action == "stop":
+            return macview.stop(body.get("src") or None)
+        if action == "permissions":
+            return macview.request_permissions()
+    except frame_macview.MacViewError as e:
+        raise Failure(str(e), 502)
+    raise Failure("unknown action", 400)
+
+
 # ---- Report a problem (frame_report.py) --------------------------------------
 
 def report_preview(body):
@@ -1390,7 +1431,7 @@ POST = {"/api/media": media, "/api/agent/call": agent_call, "/api/agent/approval
         "/api/webinstall/check": webinstall_check, "/api/webinstall/start": webinstall_start,
         "/api/webinstall/cancel": webinstall_cancel,
         "/api/telemetry": frame_telemetry.update_settings, "/api/telemetry/event": frame_telemetry.page_event,
-        "/api/report/preview": report_preview, "/api/report": report_send}
+        "/api/report/preview": report_preview, "/api/report": report_send, "/api/macview": macview_action}
 
 
 # ---- HTTP ------------------------------------------------------------------
@@ -1526,6 +1567,8 @@ class Handler(BaseHTTPRequestHandler):
                                 "shared": frame_catalog.compat_db.shared()})
             elif path == "/api/android/catalog":
                 self.send_json({"apps": frame_catalog.catalog()})
+            elif path == "/api/macview":
+                self.send_json(macview_state(parse_qs(url.query)))
             elif path == "/api/telemetry":
                 self.send_json(frame_telemetry.state())
             elif path == "/api/computer/state":
@@ -1708,10 +1751,16 @@ class Handler(BaseHTTPRequestHandler):
                     raise Failure(str(e), 400, {"package": info["package"], "version_code": info.get("version_code"), "blocker": str(e)})
                 ensure_master()
                 try:
-                    m = frame_android.install(str(dest), source=name)
+                    display = self.headers.get("X-APK-Display", "auto")
+                    if display not in ("auto", "flat", "vr"):
+                        raise frame_android.FrameError("invalid APK display mode")
+                    m = frame_android.install(str(dest), source=name,
+                                              flatscreen=None if display == "auto" else display == "flat")
                 except frame_android.FrameError as e:
                     raise Failure(str(e), 400)
-                return {"message": f"Installed {m['label']} as its own app in the Steam library", "app": m}
+                kind = "VR app" if not m['flatscreen'] else "app"
+                notes = " ".join(m.get("vr_issues", []))
+                return {"message": f"Installed {m['label']} as its own {kind} in the Steam library. {notes}".strip(), "app": m}
             return {"message": push_file(dest)}
         finally:
             if not keep:
@@ -1756,6 +1805,7 @@ def main():
         if not frame_host.WINDOWS:
             signal.signal(signal.SIGTERM, signal.SIG_IGN)
         webinstall_shutdown()
+        macview.shutdown()  # close the headset's viewers before the agent goes
         # The master was started with -N, so it stays up until told to exit.
         if CONTROL:
             subprocess.run([*MUX, "-O", "exit", FRAME], capture_output=True, stdin=subprocess.DEVNULL)