5 Commits

Author	SHA1	Message	Date
gramps	d35823a4a9	feat(ux)+fix(rings): release counter #N in the wordmark; all shared-frame rings 4->8 (#11) ... Roll-forward of today-slices 6fd1d9c onto the slice-8 base, two-loop hunk dropped. Release counter (per-build GUID read as noise; +1 per commit from git rev-list, baseline 241 -> #13, generated by GenerateBuildStamp; GUID demotes to startup.log). Tests pinned to Label/#N >= 13; wordmark display test asserts the Label. Flash fix (take 14 finding): consumer holds must never outlive depth x source period — 4 slots at high refresh lap ~27ms vs a <=50ms compositor read, so a recycled slot flashed its new frame over the lagged old one. All shared rings 4->8 (OBS/overlay precedent for ring discipline). Camera producer now rotates an 8-deep ring + Epoch instead of a fresh ~3.7MB array per device frame (110-220MB/s LOH churn); WebView2 capture reuses a canvas scratch + 8-deep output ring + a reused WriteableBitmap instead of two fresh arrays + a fresh bitmap per 10Hz tick. Paste cache stays identity-keyed (Epoch).	2026-09-05 14:31:03 -07:00
gramps	432adfdaef	perf(render): take-4 slice 2 — IsOpaque memcpy, integer bilinear, pump scratch pool ... Take 4: pacing held (sync perfect) but avg render stayed 58.9ms — 2M managed row-walk iterations + a fresh 8.3MB buffer every tick (LOH churn into GC stalls inside the render measurement). - VideoFrame.IsOpaque: producer-contract flag (screen capture + webcam — DWM/MF fill alpha 255; media/chat/web/static NOT flagged). Full-cover aligned opaque backdrop = ONE Buffer.BlockCopy; black pre-fill skipped when it covers. - General BlitContent: integer 8.8 fixed-point bilinear + blend, row invariants hoisted, no per-pixel division/Math.Round. Within ±1 of the float reference (pixel tests allow ±2). Research per derivative-work rule: libyuv row/scale kernels (chromium.googlesource.com/libyuv/libyuv). - FramePump scratch pool (max 4, length-keyed, owned-by-reference): release strictly AFTER SubmitFrameAsync returns (stdin write copies); Contains-guard makes the transition Cut alias safe. - Removed the dead per-tick fromScene render + fromSceneProvider seam — BlendFrame consumes TransitionService.FromFrame captured at Start; the pump's render fed nothing. MainViewModel call site updated (signature). Bugs caught by the pixel probes pre-ship (recorded MyMistakes): first Bilinear double-shifted both stages (solid-255 sampled to ~1 -> general path drew nothing); sentinel 0xAB collided with an x+y pixel. FakeEncoder snapshots submitted frames (mirrors real copy semantics under recycling). ONE integration test: Pump_Pools_ScratchBuffers_Across_Frames_Without_ Stale_Pixels (alternating backdrops + repeated backing identity). Direct pin: Composite_OpaqueFullCover_Backdrop_CopiesEveryPixel_Into_Scratch. Clean build 0 warnings; 59/59 per-class + RealApp boot-smoke. take 5 verdict: expect avg render <= ~10ms, ~300/300 frames. Docs same commit: ai.md pipeline section, TASKS.md TASK 18, HANDOFF rewritten (Unit B spec + settled decisions queued).	2026-09-04 09:35:59 -07:00
gramps	60259c08c2	Fix CameraStreamState.Failed compile error (19041 projection omits enum member names — compare by int); fix first-frame proof test (no dispatcher = no bitmap, assert LatestFrame instead)	2026-08-12 07:11:54 -07:00
gramps	b64830ed11	Webcam grab: SharedReadOnly mode, VideoPreview/VideoRecord source fallback, name the blocking app in the error (NVIDIA Broadcast finding)	2026-08-06 14:42:54 -07:00
gramps	98cdc4b3f4	TASK 3 milestone 1: webcam capture (MediaCapture CPU-first, CameraManager refcount, picker, clip/mirror, schema v2, tests)	2026-08-06 14:35:34 -07:00