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webgl2 particles demo doesn't animate #26137

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jdm opened this issue Apr 7, 2020 · 0 comments
Closed

webgl2 particles demo doesn't animate #26137

jdm opened this issue Apr 7, 2020 · 0 comments

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@jdm
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@jdm jdm commented Apr 7, 2020

http://toji.github.io/webgl2-particles-2/

Run with --pref dom.webgl2.enabled

@jdm jdm added the A-content/webgl label Apr 7, 2020
@jdm jdm mentioned this issue Apr 8, 2020
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bors-servo added a commit that referenced this issue Apr 8, 2020
Fix webgl transform feedback

This allows https://www.joshmatthews.net/webxr-particles/ to run in Servo. This change corresponds with the following spec text:
```
GL_INVALID_OPERATION is generated by glBeginTransformFeedback if no binding points would be used, either because no program object is active of because the active program object has specified no varying variables to record.
```

---
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix #26137
- [x] There are tests for these changes
bors-servo added a commit that referenced this issue Apr 15, 2020
Fix webgl transform feedback

This allows https://www.joshmatthews.net/webxr-particles/ to run in Servo. This change corresponds with the following spec text:
```
GL_INVALID_OPERATION is generated by glBeginTransformFeedback if no binding points would be used, either because no program object is active of because the active program object has specified no varying variables to record.
```

---
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix #26137
- [x] There are tests for these changes
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