KhronosGroup / KhronosGroup/WebGL
OffscreenCanvas context loss tests implicitly rely on OES_texture_float
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Description
In https://crbug.com/396176034 it was discovered that the OffscreenCanvas context lost/restored tests implicitly rely on the OES_texture_float extension in https://github.com/KhronosGroup/WebGL/blob/main/sdk/tests/js/tests/canvas-tests-utils.js#L783 . There are some Android devices which don't support that extension and fail the context lost/restored tests for that reason. To decouple these, the OffscreenCanvas tests should be rewritten to check the behavior of a different extension before and after context loss and restoration.
Contributor 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.
Research direction
Start with tests/js/tests/canvas-tests-utils.js around line 783 and locate the OffscreenCanvas context lost/restored tests. Check how they currently depend on OES_texture_float, then update the tests to check a different extension before and after loss and restoration. Done means the tests no longer require OES_texture_float and can run on Android devices without that extension.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript
- Domain
- computer-graphics, testing
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 48/100