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Add extension subgroup-size-control #5578

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Add extension subgroup-size-control #5578

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f17c4e8
Add extension `subgroup-size-control`
Jiawei-Shao Feb 27, 2026
a6d6e7a
Move `subgroup-size-control` and `subgroup_size` to the last
Jiawei-Shao Feb 27, 2026
5f91fdd
Fix a typo
Jiawei-Shao Feb 27, 2026
7837e6d
Simply some statements
Jiawei-Shao Feb 27, 2026
d38045f
Fix build error
Jiawei-Shao Feb 27, 2026
502846a
More fixes
Jiawei-Shao Feb 27, 2026
7aaed3a
More fix
Jiawei-Shao Feb 27, 2026
0243e09
More fix
Jiawei-Shao Feb 27, 2026
85d7d06
More fix
Jiawei-Shao Feb 27, 2026
39d36da
Address reviewer's comments
Jiawei-Shao Mar 4, 2026
0d7ecc5
Merge branch 'main' into add-subgroup-size-control
Jiawei-Shao Mar 12, 2026
a36b76f
Update correspondence reference
Jiawei-Shao Mar 12, 2026
a78a7e3
Fix build error
Jiawei-Shao Mar 12, 2026
a02d357
More fix
Jiawei-Shao Mar 12, 2026
07a258e
Merge branch 'main' into add-subgroup-size-control
Jiawei-Shao Mar 17, 2026
22e75bf
Merge branch 'main' into add-subgroup-size-control
Jiawei-Shao Mar 30, 2026
61f89aa
Address reviewer's comments and remove all the added attributes
Jiawei-Shao Apr 9, 2026
c870637
Update `correspondence/index.bs`
Jiawei-Shao Apr 9, 2026
07934d0
Address reviewer's comments
Jiawei-Shao Apr 16, 2026
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Move subgroup-size-control and subgroup_size to the last
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@Jiawei-Shao
Jiawei-Shao committed Feb 27, 2026
commit a6d6e7a9c989ceb21c1dd0d9aad26ce2641bec12
2 changes: 1 addition & 1 deletion spec/index.bs
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Expand Up @@ -3087,11 +3087,11 @@ enum GPUFeatureName {
"clip-distances",
"dual-source-blending",
"subgroups",
"subgroup-size-control",
"texture-formats-tier1",
"texture-formats-tier2",
"primitive-index",
"texture-component-swizzle",
"subgroup-size-control",
};
</script>

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6 changes: 3 additions & 3 deletions wgsl/index.bs
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Expand Up @@ -1400,9 +1400,9 @@ The [=syntax/attribute=] names are:
* <a for=attribute lt=blend_src>`'blend_src'`</a>
* <a for=attribute lt=must_use>`'must_use'`</a>
* <a for=attribute lt=size>`'size'`</a>
* <a for=attribute lt=subgroup_size>`'subgroup_size'`</a>
* <a for=attribute lt=vertex>`'vertex'`</a>
* <a for=attribute lt=workgroup_size>`'workgroup_size'`</a>
* <a for=attribute lt=subgroup_size>`'subgroup_size'`</a>

### Built-in Value Names ### {#builtin-value-names}

Expand Down Expand Up @@ -8478,8 +8478,8 @@ The [=return type=], if specified, [=shader-creation error|must=] be [=construct

WGSL defines the following attributes that can be applied to function declarations:
* the [=shader stage attributes=]: [=attribute/vertex=], [=attribute/fragment=], and [=attribute/compute=]
* [=attribute/subgroup_size=]
* [=attribute/workgroup_size=]
* [=attribute/subgroup_size=]

WGSL defines the following attributes that can be applied to function
parameters and return types:
Expand Down Expand Up @@ -9379,8 +9379,8 @@ It will stabilize in a finite number of steps.

WGSL defines the following attributes that can be applied to entry point declarations:
* the [=shader stage attributes=]: [=attribute/vertex=], [=attribute/fragment=], and [=attribute/compute=]
* [=attribute/subgroup_size=]
* [=attribute/workgroup_size=]
* [=attribute/subgroup_size=]

<div class='example wgsl global-scope' heading='workgroup_size Attribute'>
<xmp highlight=wgsl>
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