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https://github.com/saphid/frame-control.git
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saphidandClaude Opus 5.5
8b7c46a63a
Flathub Chromium can't enter immersive WebXR on Linux because upstream only wires the OpenXR device on Windows. Document why, and add scripts to cross-compile arm64 Chromium with the unmerged Linux OpenXR CLs and to install, launch and check it on the Frame. The first build is still running; immersive-vr support is unverified. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
98 lines
3.9 KiB
Bash
Executable File
98 lines
3.9 KiB
Bash
Executable File
#!/usr/bin/env zsh
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# Mac-side: install and launch the WebXR-enabled Chromium build on the Frame.
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#
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# Flathub Chromium can't enter immersive WebXR on Linux: upstream only wires
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# the OpenXR device on Windows (see docs/webxr-chromium.md). This deploys an
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# arm64 build with the Linux OpenXR CLs, made on a Linux host by
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# scripts/build-chromium-xr.sh, into ~/chromium-xr on the Frame (not a
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# Flatpak, so SteamVR's sockets and the XR sandbox work unmodified).
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#
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# Usage:
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# scripts/chromium-xr.sh install [TARBALL] # default: fetch from $BUILD_HOST
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# scripts/chromium-xr.sh launch [URL] # opens in the headset desktop
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# scripts/chromium-xr.sh check # isSessionSupported via DevTools
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set -euo pipefail
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FRAME_ALIAS=${FRAME_ALIAS:-frame}
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BUILD_HOST=${BUILD_HOST:-buildhost}
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BUILD_TARBALL=${BUILD_TARBALL:-chromium-xr/chromium-xr-arm64.tar.xz}
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DEVTOOLS_PORT=${DEVTOOLS_PORT:-9223}
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here=${0:A:h}
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case "${1:-}" in
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install)
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tarball=${2:-}
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if [[ -z "$tarball" ]]; then
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tmp=$(mktemp -d)
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trap 'rm -rf "$tmp"' EXIT
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tarball=$tmp/chromium-xr-arm64.tar.xz
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scp -q "$BUILD_HOST:$BUILD_TARBALL" "$tarball"
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fi
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ssh "$FRAME_ALIAS" 'rm -rf ~/chromium-xr.new && mkdir -p ~/chromium-xr.new'
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ssh "$FRAME_ALIAS" 'tar -xJf - -C ~/chromium-xr.new' < "$tarball"
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# Check the new build runs before replacing the old one.
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ssh "$FRAME_ALIAS" '~/chromium-xr.new/chrome --version && rm -rf ~/chromium-xr && mv ~/chromium-xr.new ~/chromium-xr'
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;;
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launch)
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# run-on-frame starts in $HOME on the Frame, so the profile path is relative.
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exec "$here/run-on-frame.sh" -- '~/chromium-xr/chrome' \
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--user-data-dir=.config/chromium-xr \
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--enable-features=OpenXR \
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--remote-debugging-port="$DEVTOOLS_PORT" \
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"${2:-https://immersive-web.github.io/webxr-samples/}"
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;;
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check)
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# DevTools listens on the Frame's loopback only; evaluate there.
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ssh "$FRAME_ALIAS" python3 - "$DEVTOOLS_PORT" <<'EOF'
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import json, sys, urllib.request, base64, os, socket, struct
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port = int(sys.argv[1])
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tabs = json.load(urllib.request.urlopen(f"http://127.0.0.1:{port}/json", timeout=10))
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page = next((t for t in tabs if t["type"] == "page"), None)
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if page is None:
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sys.exit("no open page: run 'chromium-xr.sh launch' first")
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path = page["webSocketDebuggerUrl"].split(f":{port}", 1)[1]
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s = socket.create_connection(("127.0.0.1", port), timeout=30)
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key = base64.b64encode(os.urandom(16)).decode()
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s.sendall(f"GET {path} HTTP/1.1\r\nHost: 127.0.0.1\r\nUpgrade: websocket\r\n"
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f"Connection: Upgrade\r\nSec-WebSocket-Key: {key}\r\n"
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"Sec-WebSocket-Version: 13\r\n\r\n".encode())
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s.recv(4096)
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msg = json.dumps({"id": 1, "method": "Runtime.evaluate", "params": {
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"expression": "navigator.xr ? navigator.xr.isSessionSupported('immersive-vr') : 'no navigator.xr'",
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"awaitPromise": True}}).encode()
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mask = os.urandom(4)
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hdr = bytes([0x81]) + (bytes([0x80 | len(msg)]) if len(msg) < 126
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else bytes([0x80 | 126]) + struct.pack(">H", len(msg)))
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s.sendall(hdr + mask + bytes(b ^ mask[i % 4] for i, b in enumerate(msg)))
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buf = b""
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reply = None
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while reply is None:
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chunk = s.recv(65536)
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if not chunk:
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sys.exit("DevTools closed the connection")
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buf += chunk
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# Consume every complete frame already buffered before reading again.
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while len(buf) >= 2:
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n = buf[1] & 0x7F
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off = 2
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if n == 126:
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if len(buf) < 4:
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break
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n, off = struct.unpack(">H", buf[2:4])[0], 4
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elif n == 127:
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if len(buf) < 10:
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break
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n, off = struct.unpack(">Q", buf[2:10])[0], 10
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if len(buf) < off + n:
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break
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frame, buf = buf[off:off + n], buf[off + n:]
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msg = json.loads(frame)
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if msg.get("id") == 1:
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reply = msg
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break
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print("immersive-vr supported:", reply["result"]["result"].get("value"))
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EOF
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;;
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*) sed -n '2,13p' "$0"; exit 2 ;;
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esac
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