[Webkit-unassigned] [Bug 256721] New: Initial WGSL support for texture_external
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Fri May 12 10:45:19 PDT 2023
https://bugs.webkit.org/show_bug.cgi?id=256721
Bug ID: 256721
Summary: Initial WGSL support for texture_external
Product: WebKit
Version: WebKit Nightly Build
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: WebGPU
Assignee: webkit-unassigned at lists.webkit.org
Reporter: mwyrzykowski at apple.com
WGSL support for texture_external: https://gpuweb.github.io/gpuweb/wgsl/#external-texture-type
In order to support this, use of "texture_external nameForT" will likely need to generate the following information in the argument buffer at a minimum:
texture2d<half> nameForT_FirstPlane;
texture2d<half> nameForT_SecondPlane;
float3x3 nameForT_UVRemapMatrix;
float4x3 nameForT_ColorSpaceConversionMatrix;
texture_external can only be used with textureLoad or textureSampleBaseClampToEdge. I will write up separate issues for those.
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