Graphics: CPU fallback for unsupported compressed texture formats
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Assessment
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Newbie friendliness
- 42/100
Research direction
Start with Texture.cs:90-91, where unsupported sampling formats currently throw, then inspect the dependency #31 and platform roadmap #100 for constraints on the fallback. Add a test that forces an unsupported format and confirm the scene renders after BCn, ASTC, or ETC2 data is decoded to RGBA8 on the CPU; ensure the fallback logs once.
Written by the indexing model from the issue text.
Description
Current State
Texture.cs:90-91 throws when the device cannot sample a format (BC on mobile, ASTC on some emulators).
Tasks
- Log once, then decode BCn/ASTC/ETC2 to RGBA8 on the CPU
- Test forcing an unsupported format
Acceptance Criteria
- Test passes; scenes render instead of failing
Related
- Android plan task D2 · seniority Mid · mergeable now (.NET 10)
- Depends on: #31
- Platform roadmap: #100
- Dominant language
- C#
- Stars
- 1
- Forks
- 1
- Avg merge
- 1h 48m
- Merged PRs (30d)
- 30
Getting set up
- No Dockerfile or Docker Compose file
- Has a pull request template
- Read the contributing guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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