feat(compositor): port the native compositor to Linux (Vulkan backend) - #183

Draft

EtienneLescot wants to merge 138 commits into

feat/d3d-warp-fallbackfrom

feat/linux-compositor-port

Commits on Jul 28, 2026

fix(ai-edition): floor Anthropic-wire maxTokens at 16k for unknown models (#181)
EtienneLescot
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fix(topbar): project rename in the v4 header (#180)
EtienneLescot
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chore: remove + skip button in the chat panel
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chore: drop the now-unused aiEdition.runTimelineOperation IPC plumbing
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refactor: extract useSequentialTimelineOps hook from NewEditorShell
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fix(ci): make useSequentialTimelineOps.test pass tsconfig.test.json, satisfy biome

Mavis
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feat(chat): stream reasoning trace into the chat panel
EtienneLescot
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fix(export): keep the caption background plate through the native bridge
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fix(compositor): stop the colour parser panicking on non-ASCII, and follow CSS arity
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fix(preview): stop drawing captions twice in the preview
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docs(captions): fold the two render paths into the one that survived
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fix(compositor): let zooms overflow the preview padding
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fix(compositor): don't let the screen shadow/roundness follow the zoom overflow

Mavis
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fix(compositor): make the zoom-frame growth continuous instead of binary

Mavis
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fix(compositor): split the zoom between the box and the source cut
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fix(compositor): hand the whole zoom to the box, not a share of it
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Commits on Jul 29, 2026

Commits on Jul 30, 2026

perf(preview): chemin rapide de seek — ne plus jeter l'état du décodeur pour rien
EtienneLescot
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fix(preview): le <video> ne dicte plus la position de la timeline à l'arrêt
EtienneLescot
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perf(preview): livrer la frame sans la copier
EtienneLescot
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chore(perf): sonde de fluidité de l'UI, segmentée par état
EtienneLescot
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perf(timeline): ne plus re-rendre la timeline à chaque événement souris pendant un scrub
EtienneLescot
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Revert "perf(timeline): ne plus re-rendre la timeline à chaque événement souris pendant un scrub"
EtienneLescot
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chore(perf): la sonde sépare les mesures d'avant et d'après un franchissement de clip
EtienneLescot
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perf(preview): ne plus rouvrir les décodeurs quand seul le segment change
EtienneLescot
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fix(preview): vider le cache de SRV quand un jeu de décodeurs est fermé
EtienneLescot
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fix(preview): repli sûr quand le repositionnement échoue, et ne plus relire le curseur pour rien
EtienneLescot
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chore(perf): la sonde distingue le scrub timeline du scrub barre de progression
EtienneLescot
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perf(transport): coalescer le drag de la barre de progression en rAF
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perf(transport): écrire le curseur de la barre directement dans le DOM pendant un drag
EtienneLescot
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feat(compositor): fail legibly when D3D11 init fails, instead of falling back to WARP
EtienneLescot
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docs(compositor): correct the WGC rationale -- capture is not mandatory
EtienneLescot
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feat(compositor): add a CPU backend -- WARP render + software decode, iso output
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feat(compositor): select the CPU backend automatically, and tell the user
EtienneLescot
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feat(compositor): let the CPU backend reach the export encoder
EtienneLescot
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fix(compositor): CPU backend reach on the GIF-refactored pipeline

openscreen-bot
authored and
EtienneLescot
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feat(compositor): scaffold macOS Metal+VideoToolbox port

openscreen-bot
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EtienneLescot
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feat(compositor): mac_frames.rs — software decode → NV12 → CVPixelBuffer upload

openscreen-bot
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feat(compositor): add d3d_macos, text_macos, wrapper_macos — backend stubs

openscreen-bot
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feat(compositor): compositor_macos — Compositor skeleton, CVMetalTextureCache seam, dual-format dispatch

openscreen-bot
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feat(compositor): shaders.metal — MSL port of all 9 shader entry points

openscreen-bot
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feat(compositor): pipeline_macos — VideoToolbox hwaccel decode + dual-format seam

openscreen-bot
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fix(compositor/build.rs): discover macOS SDK via xcrun on macOS

openscreen-bot
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fix(ci): indent the build: job so the macOS job parses

openscreen-bot
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feat(compositor): compositor_macos engine — render targets, MSL pipeline, first-pass compose_frame

openscreen-bot
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feat(compositor): pipeline_macos::Decoder — seek / next / cur_time_sec / fps / available_duration

openscreen-bot
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feat(compositor): pipeline_macos::VideoEncoder — h264_videotoolbox + libopenh264

openscreen-bot
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feat(compositor): pipeline_macos::run_composited_multi — multi-clip export

openscreen-bot
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feat(compositor): text_metal — CoreText/CoreGraphics text rasterizer

openscreen-bot
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fix(compositor): dedup `pub mod live` and `pub mod pipeline` in lib.rs

openscreen-bot
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fix(compositor/build.rs): reach the macOS ffmpeg and libclang at all

sepion02
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fix(compositor): AVERROR(EAGAIN) is -35 on macOS, not -11

sepion02
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refactor(compositor): move the timeline walk out of the Windows pipeline

sepion02
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fix(compositor): port shaders.metal to MSL that actually compiles

sepion02
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feat(compositor): make the Metal engine produce a frame

sepion02
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fix(compositor): rewrite text_macos.rs on the CoreText C API

sepion02
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fix(app): open the HUD without waiting for the microphone prompt

sepion02
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fix(compositor-view): actually find the addon, unpackaged and packaged

sepion02
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build(mac): add the macOS compositor addon build script

sepion02
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ci(macos): run the compositor tests, not just a type-check

sepion02
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fix(build,test): unblock tsc, and stop assuming an x64 host

sepion02
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docs(compositor): repoint the module map at the per-platform files

sepion02
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ci(windows): cargo check the compositor on every PR

sepion02
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refactor(compositor): move the pure geometry into frame_geometry

sepion02
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refactor(compositor): one LayerCB, one LiveParams, for both backends

sepion02
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refactor(compositor): compose_frame's geometry becomes plan_frame

sepion02
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fix(build/mac): install the addon by rename, not by overwriting it

sepion02
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fix(compositor): three MSL modes that were mis-ported from HLSL

sepion02
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feat(compositor): draw the layers on Metal, not just the video

sepion02
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feat(compositor): render the cursor on Metal, trail included

sepion02
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feat(compositor): wire the dual-Kawase background blur on Metal

sepion02
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fix(compositor): the shadow fix landed in dead code, and two more divergences

sepion02
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feat(compositor): render the 3D tilt on Metal — and unbreak modes 8, 12, 7

sepion02
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fix(compositor): the three annotation modes were each a different shader

sepion02
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feat(compositor): draw annotations on Metal, and call the CoreText rasterizer

sepion02
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feat(compositor): macOS export encodes — first MP4 out of the Metal engine

sepion02
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test(compositor): pin the iso-render claim to a number

sepion02
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feat(compositor): mux audio into the macOS export

sepion02
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fix(compositor): the annotation blur sampled mip 0 and so blurred nothing

sepion02
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fix(compositor): text annotations were rendered upside down

sepion02
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perf(compositor): 2.4x on macOS export — VideoToolbox was the slow path

sepion02
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perf(compositor): render NV12 straight into the encoder's CVPixelBuffer

sepion02
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build(mac): ship the ffmpeg dylibs, and vendor them LGPL by construction

sepion02
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fix(compositor): mac was missing clear_srv_cache after the rebase onto v1.8.0

sepion02
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feat(compositor): re-express the Linux port on the v1.8.0 cross-backend architecture
EtienneLescot
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feat(compositor): draw text annotations in compositor_linux (WGSL mode 11)
EtienneLescot
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feat(compositor): draw the webcam PiP in compositor_linux compose_frame
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feat(compositor): background blur (dual-Kawase) in compositor_linux
EtienneLescot
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feat(compositor): themed cursor sprite (mode 7) in compositor_linux
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feat(compositor): Linux video export (WP6) — software encode + MP4 mux
EtienneLescot
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feat(compositor): mux AAC audio in Linux export (WP6)
EtienneLescot
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feat(compositor): image background (WGSL mode 6 wallpaper) in compositor_linux
EtienneLescot
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fix(hud): -0 out of Math.round crashed the main process on Wayland

sepion02
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claude
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fix(hud): the drag region sat on the window root, not the grab handle

sepion02
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claude
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build(vite): stop watching the vendored ffmpeg tree

sepion02
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claude
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style(compositor): repair the mojibake and CRLF in the Linux sources

sepion02
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claude
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fix(compositor): indexing the array twice made naga emit invalid SPIR-V

sepion02
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claude
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build(linux): build the native compositor addon

sepion02
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claude
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fix(compositor): the addon bound to Chromium's ffmpeg, not ours

sepion02
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claude
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Revert "fix(compositor): the addon bound to Chromium's ffmpeg, not ours"
sepion02
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fix(compositor): rename the ffmpeg symbols so Chromium's cannot win

sepion02
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claude
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Commits on Jul 31, 2026