hasAlpha for alpha video (.webm) does not work in WebGPU

Bugs
1

in WebGL, transparent area of video (.webm) becomes transparent by videoTexture.hasAlpha=true;

but in WebGPU, it does not work (transparent area become black)

here is playground link

2

Welcome aboard!

It’s a bug in Dawn or Chromium, I have created an issue for it:

https://bugs.chromium.org/p/dawn/issues/detail?id=1952

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