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Record verified W0 export output (300 DPI JPEG)

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3dtours
2026-09-17 16:58:48 +07:00
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WEB_PLAN.md
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@@ -157,6 +157,8 @@ Cùng pipeline trên surface WebGL (`spike/gpu.html`, headless Chromium, ANGLE/S
- tone / clarity / blur pass: **0.1–1ms** (submit bất đồng bộ).
- **JPEG q95: 205ms @12MP, 54ms @2048, 14ms @1024**; decode 12MP 280ms.
Đầu ra kiểm chứng trên ảnh 12MP (raster CPU, `spike/w0.ts`): 3 file JPEG 4.1–5.1MB, JFIF `units=1 x=300 y=300` (DPI 300 đúng), byte-mean ~125 → **ảnh không trắng, pipeline chạy hết chuỗi**.
→ Chốt: engine **bắt buộc** chạy trên WebGL surface (`MakeWebGLCanvasSurface`), raster chỉ là fallback cho test Node. Preview ~2048px, full-res khi export.
Các API khác đã xác nhận có trong CanvasKit: `MakeCompose`, `MakeBlur`, `MakeRadialGradient`, `RuntimeEffect.Make`, `makeShaderWithChildren`, `MakeSurface`, `Font`, `TypefaceFontProvider`, `MakeOffscreen`, `MakeWebGLCanvasSurface`.