WebGPURenderer: GaussianBlurNode reduce overhead #27447
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Not sure why but the E2E tests now complain a diff in https://rawcdn.githack.com/aardgoose/three.js/gb/examples/webgpu_backdrop_water.html |
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It seems #27451 has the same issue. Maybe we exclude |
Agree! This way we can create a separate PR and study this problem more calmly. |
AdaRoseCannon
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Jan 15, 2024
* use two quadmeshes * add tip --------- Co-authored-by: aardgoose <[email protected]>
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The use of a single QuadMesh for both gaussian blur passes results in a single RenderObject with a SampledTexture binding that alternates between source textures and triggers creation of new BindGroups and BindGroupLayouts every frame.
Using two QuadMesh objects prevents this behaviour.