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Discussed at the [2020-11-30 meeting](https://docs.google.com/document/d/1z56cKIC5nmOkiHqXUEftdJIQV9m1q6SDlgEzRfFrxag/edit).
https://github.com/gpuweb/gpuweb/pull/1238 has highlighted the desire co…
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Looking at the WebGPU spec, I could not find any command for memory barriers, i.e. to specify that side effects on storage buffers from a previous draw of dispatch compute must be visible in the next…
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The section "Matrix Access Expression" mentions `OpCompositeExtract`, but that instruction only accepts literal indices, not expressions, so it's not sufficient to do the job described. The reference …
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`MediaStreamTrackProcessor` [appears to expect](https://w3c.github.io/mediacapture-transform/#video-processing) _consumers_ to call `VideoFrame.close()` manually. Unfortunately, this:
1. Assumes a s…
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PTAL, this is basically #49 but as an investigation, and with additional alternatives.
Our thoughts on this proposals are the following:
- Buffer mapping 1: our preferred solution, but a bit co…
Kangz updated
3 years ago
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It's often useful to process video frames using the GPU, and a lot of the times video frames come out of the encoder in the form of planar formats. Common ones (at least that I know about) are YUV 420…
Kangz updated
3 years ago
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From #1475 there is handling of custom `out` for glsl 300. Our shaders from https://github.com/hms-dbmi/viv are having an unneeded `out vec4 fragmentColor;` added even though we have `out vec4 …
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Demo [video](https://www.loom.com/share/f6efbd3de0ed42c185ae6c434b4fb5c8)
You can see in this video, the sheep models just float from one location to the next without any sort of walking animation.…
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Render targets / Render passes
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Things overlooked: programmable sample position, layered rendering.
Basically:
- All APIs require the sample count and formats of the …
Kangz updated
3 years ago
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Posting here for criticism and comments. Once discussions have settled we could put this doc under and investigation/ directory in this repo.
# SPIR-V robust resource access
Corentin Wallez, Dav…
Kangz updated
3 years ago