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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>
80 lines
3.2 KiB
Bash
Executable File
80 lines
3.2 KiB
Bash
Executable File
#!/bin/bash
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# Linux-side (x64 host): cross-compile arm64 Chromium with the Linux OpenXR CLs
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# (8441736 + 8132979, bug 506004811) so WebXR immersive-vr works on the Frame.
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# Needs ~90 GB free, no sudo. Takes hours; run it detached, e.g. on buildhost:
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# scp scripts/build-chromium-xr.sh buildhost:chromium-xr/build.sh
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# ssh buildhost 'cd ~/chromium-xr && tmux new -d -s chromium-xr "./build.sh > build.log 2>&1"'
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# Progress: ~/chromium-xr/stage. Output: ~/chromium-xr/chromium-xr-arm64.tar.xz,
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# which scripts/chromium-xr.sh install copies to the Frame.
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# Re-running resumes: existing checkout and out/XR are reused.
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set -euo pipefail
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W=~/chromium-xr
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cd "$W"
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stage(){ echo "$(date -Is) $*" | tee -a "$W/stage"; }
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# Returns non-zero below 12 GB free; set -e turns that into an exit at top level.
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guard(){ avail=$(df --output=avail -BG "$W" | tail -n 1 | tr -dc 0-9); if [ "$avail" -lt 12 ]; then stage "ABORT: only ${avail}G free for $W"; return 3; fi; }
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[ -d depot_tools ] || git clone -q https://chromium.googlesource.com/chromium/tools/depot_tools.git
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export PATH="$W/depot_tools:$PATH" DEPOT_TOOLS_UPDATE=1 DEPOT_TOOLS_METRICS=0
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CL_REF=refs/changes/79/8132979/44
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if [ ! -f .gclient ]; then
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cat > .gclient <<'G'
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solutions = [{ "name": "src", "url": "https://chromium.googlesource.com/chromium/src.git",
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"managed": False, "custom_deps": {}, "custom_vars": { "checkout_nacl": False } }]
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target_os = ["linux"]
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target_cpu = ["arm64"]
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G
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fi
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# Keyed on a real commit, so an interrupted first fetch is retried on re-run.
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if ! git -C src rev-parse -q --verify HEAD >/dev/null 2>&1; then
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stage "clone src at $CL_REF"
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mkdir -p src
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[ -d src/.git ] || git -C src init -q
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git -C src remote get-url origin >/dev/null 2>&1 || git -C src remote add origin https://chromium.googlesource.com/chromium/src.git
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git -C src fetch -q --depth=1 origin "$CL_REF"
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git -C src checkout -q FETCH_HEAD
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fi
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guard
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stage "src at $(git -C src log -1 --format='%h %s')"
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stage "gclient sync"
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gclient sync --nohooks --no-history -D --shallow --revision "src@$(git -C src rev-parse HEAD)" -j 8
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guard
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stage "runhooks"
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gclient runhooks
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src/build/linux/sysroot_scripts/install-sysroot.py --arch=arm64
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guard
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cd src
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mkdir -p out/XR
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cat > out/XR/args.gn <<'A'
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target_os = "linux"
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target_cpu = "arm64"
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is_debug = false
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is_official_build = false
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is_component_build = false
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dcheck_always_on = false
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symbol_level = 0
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blink_symbol_level = 0
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v8_symbol_level = 0
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proprietary_codecs = true
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ffmpeg_branding = "Chrome"
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use_remoteexec = false
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use_siso = true
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treat_warnings_as_errors = false
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A
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stage "gn gen"
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gn gen out/XR
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gn args out/XR --list=enable_openxr --short | tee -a "$W/stage"
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stage "build"
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( while sleep 600; do guard || { pkill -u "$(id -u)" -f "siso|ninja"; exit 3; }; done ) &
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GUARD=$!
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trap 'kill $GUARD 2>/dev/null || true' EXIT
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autoninja -C out/XR chrome chrome_sandbox chrome_crashpad_handler
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stage "package"
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cd out/XR
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files=(chrome chrome_sandbox chrome_crashpad_handler *.pak *.bin icudtl.dat locales)
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# GPU libraries aren't produced by every config; pack the ones that exist.
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for f in libEGL.so libGLESv2.so libvk_swiftshader.so libvulkan.so.1 vk_swiftshader_icd.json; do
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[ -e "$f" ] && files+=("$f")
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done
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tar -cJf "$W/chromium-xr-arm64.tar.xz" "${files[@]}"
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stage "DONE $(ls -la $W/chromium-xr-arm64.tar.xz)"
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