Add support for WGSL subgroup_uniformity and subgroup_id language extensions#8426
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| * True if the device supports the WGSL subgroup_uniformity extension, which allows | ||
| * subgroup functionality to be considered uniform in more cases during shader compilation. | ||
| * When a shader uses this feature, use an `enable` directive at the top of the WGSL shader: | ||
| * ```javascript |
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I know support for wgsl is a bit flaky in the toolchain, but I would still specify it here since it's correct and makes it clear to readers of the source that this is WGSL code (even if the TypeDoc manual fails to color code it properly).
willeastcott
approved these changes
Jan 30, 2026
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Summary
subgroup_uniformityWGSL language extension (Chrome 145+), which allows subgroup functionality to be considered uniform in more cases during shader compilationsubgroup_idWGSL language extension (Chrome 144+), which provides access tosubgroup_idandnum_subgroupsbuilt-in values in workgroupsDetails
Both features are detected via
navigator.gpu.wgslLanguageFeaturesand exposed as read-only properties onGraphicsDevice:supportsSubgroupUniformity- for the subgroup_uniformity extensionsupportsSubgroupId- for the subgroup_id extensionReferences