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Add AOT compiler seeds for pixel formats and ICO, CUR, QOI codecs - #3160
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- Add ICO, CUR, and QOI encoder/decoder seeding in AotCompilerTools - Introduce SeedPixelOperations() to explicitly seed all built-in pixel format PixelOperations<T> specializations for Mono WASM AOT - Add [DynamicDependency] on Configuration constructors to keep the seed graph visible to .NET trimmers - Add AI coding guideline files (AGENTS.md, CLAUDE.md, GEMINI.md, copilot-instructions.md) - Update .gitattributes to treat .a, .dylib, and .so as binary
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Pull request overview
This PR extends ImageSharp’s ahead-of-time (AOT) “seed graph” so that Mono WASM AOT and modern .NET trimmers keep/compile the needed generic instantiations for ICO, CUR, and QOI encode/decode paths, and explicitly roots built-in PixelOperations<TPixel> specializations to address the WASM AOT hang described in #3151.
Changes:
- Add explicit AOT seeding for ICO/CUR/QOI encoders/decoders in
AotCompilerTools. - Introduce
SeedPixelOperations()and root it via[DynamicDependency]onConfigurationconstructors to keep the seed graph visible to trimmers/AOT. - Add repository-wide AI agent guideline files and update
.gitattributesto treat.a,.dylib,.soas binary.
Reviewed changes
Copilot reviewed 7 out of 7 changed files in this pull request and generated 1 comment.
Show a summary per file
| File | Description |
|---|---|
| src/ImageSharp/Configuration.cs | Adds [DynamicDependency] on constructors to keep the AOT seed graph reachable for trimming/AOT scenarios. |
| src/ImageSharp/Advanced/AotCompilerTools.cs | Adds SeedPixelOperations() and expands encoder/decoder seeding to include ICO/CUR/QOI. |
| AGENTS.md | Introduces repository-wide AI coding guidelines reference point. |
| CLAUDE.md | Points Claude Code to follow AGENTS.md. |
| GEMINI.md | Points Gemini CLI to follow AGENTS.md. |
| .github/copilot-instructions.md | Points GitHub Copilot instructions to follow AGENTS.md. |
| .gitattributes | Marks additional native library extensions as binary to avoid text diffs/eol transforms. |
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| /// <summary> | ||
| /// Seeds every bulk operation exposed by <see cref="PixelOperations{TPixel}"/>. | ||
| /// </summary> |
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Prerequisites
Description
Fixes #3151
AotCompilerToolsSeedPixelOperations()to explicitly seed all built-in pixel formatPixelOperations<T>specializations for Mono WASM AOT[DynamicDependency]on Configuration constructors to keep the seed graph visible to .NET trimmers