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feat(layers): port TextBackgroundLayer to WebGPU - #10569
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Greptile SummaryThe PR ports TextBackgroundLayer rendering to WebGPU and enables its WebGPU render coverage.
Confidence Score: 5/5The PR appears safe to merge. No blocking failure remains.
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| Filename | Overview |
|---|---|
| modules/layers/src/text-layer/text-background-layer/text-background-layer.wgsl.ts | Adds the WebGPU vertex and fragment shader implementation for text background geometry, clipping, styling, picking, and highlighting. |
| modules/layers/src/text-layer/text-background-layer/text-background-layer.ts | Registers the WGSL source and color module while grouping instance attributes for portable WebGPU resource limits. |
| modules/layers/src/text-layer/text-background-layer/text-background-layer-uniforms.ts | Adds the WGSL text-background uniform structure and binding. |
| test/render/test-cases/text-layer.spec.ts | Enables the existing TextLayer render suite for WebGPU. |
| docs/developer-guide/webgpu.md | Documents TextLayer as supported on WebGPU beginning with version 9.4. |
Flowchart
%%{init: {'theme': 'neutral'}}%%
flowchart LR
A[TextLayer properties] --> B[TextBackgroundLayer]
B --> C[Interleaved instance attributes]
C --> D[WGSL vertex shader]
D --> E[Background geometry and clipping]
E --> F[WGSL fragment shader]
F --> G[Fill, stroke, picking, and highlighting]
G --> H[WebGPU render output]
Reviews (2): Last reviewed commit: "Merge branch 'master' into x/text-bg-lay..." | Re-trigger Greptile
![greptile-apps[bot]](https://avatars.githubusercontent.com/in/867647?s=60&v=4){kind=small}
| var pixelOffset = | ||
| (attributes.positions * attributes.instanceRects.zw + attributes.instanceRects.xy) * |
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The newly introduced names xy, wh, and q obscure the meaning and units of intermediate clipping and rounded-rectangle calculations, increasing the maintenance cost of this calculation-heavy shader. Use descriptive camelCase names as required by the repository naming guidance.
Context Used: AGENTS.md (source)
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coverage: 82.131% (+0.008%) from 82.123% — x/text-bg-layer into master |
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3 participants
For #10270
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