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Add "core-features-and-limits" to spec #5147

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kainino0x merged 2 commits into from
Apr 17, 2025
Merged

Add "core-features-and-limits" to spec #5147

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Add "core-features-and-limits" to spec
kainino0x Apr 8, 2025
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kainino0x Apr 17, 2025
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23 changes: 17 additions & 6 deletions spec/index.bs
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Original file line number Diff line number Diff line change
Expand Up @@ -1375,6 +1375,7 @@ implicitly [$valid to use with|unusable$].

1. Let |features| be the [=set=] of values in
|descriptor|.{{GPUDeviceDescriptor/requiredFeatures}}.
1. [=set/Append=] {{GPUFeatureName/"core-features-and-limits"}} to |features|.
1. Let |limits| be a [=supported limits=] object with all values set to their defaults.
1. For each (|key|, |value|) pair in |descriptor|.{{GPUDeviceDescriptor/requiredLimits}}:
1. If |value| is not `undefined` and |value| is [=limit/better=] than |limits|[|key|]:
Expand Down Expand Up @@ -2332,13 +2333,15 @@ interface GPU {
1. Set |adapter| to an [=adapter=] chosen according to
the rules in [[#adapter-selection]] and the criteria in |options|,
adhering to [[#adapter-capability-guarantees]].
Initialize the properties of |adapter| according to their definitions:

The [=supported limits=] of the adapter must adhere to the requirements
defined in [[#limits]].
1. If |adapter| meets the criteria of a [=fallback adapter=] set
|adapter|.{{adapter/[[fallback]]}} to `true`.
1. Set |adapter|.{{adapter/[[xrCompatible]]}} to
|options|.{{GPURequestAdapterOptions/xrCompatible}}.
1. Set |adapter|.{{adapter/[[limits]]}} and |adapter|.{{adapter/[[features]]}}
according to the supported capabilities of the adapter.
|adapter|.{{adapter/[[features]]}} must contain {{GPUFeatureName/"core-features-and-limits"}}.
1. If |adapter| meets the criteria of a [=fallback adapter=] set
|adapter|.{{adapter/[[fallback]]}} to `true`. Otherwise, set it to `false`.
1. Set |adapter|.{{adapter/[[xrCompatible]]}} to
|options|.{{GPURequestAdapterOptions/xrCompatible}}.

Otherwise:

Expand Down Expand Up @@ -2865,6 +2868,7 @@ allows additional usages of WebGPU that would have otherwise been invalid.

<script type=idl>
enum GPUFeatureName {
"core-features-and-limits",
"depth-clip-control",
"depth32float-stencil8",
"texture-compression-bc",
Expand Down Expand Up @@ -16480,6 +16484,13 @@ typedef (sequence<GPUIntegerCoordinate> or GPUExtent3DDict) GPUExtent3D;

# Feature Index # {#feature-index}

<h3 id=core-features-and-limits data-dfn-type=enum-value data-dfn-for=GPUFeatureName>`"core-features-and-limits"`
</h3>

Allows all Core WebGPU features and limits to be used.

Note: This is currently available on all adapters and enabled automatically on all devices even if not requested.

<h3 id=depth-clip-control data-dfn-type=enum-value data-dfn-for=GPUFeatureName>`"depth-clip-control"`
<span id=dom-gpufeaturename-depth-clip-control></span>
</h3>
Expand Down