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Move GPUAdapter isFallbackAdapter attribute to GPUAdapterInfo #5099

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Merged
kainino0x merged 1 commit into from
Mar 19, 2025
Merged

Move GPUAdapter isFallbackAdapter attribute to GPUAdapterInfo #5099

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17 changes: 10 additions & 7 deletions spec/index.bs
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Original file line number Diff line number Diff line change
Expand Up @@ -1903,6 +1903,7 @@ interface GPUAdapterInfo {
readonly attribute DOMString description;
readonly attribute unsigned long subgroupMinSize;
readonly attribute unsigned long subgroupMaxSize;
readonly attribute boolean isFallbackAdapter;
};
</script>

Expand Down Expand Up @@ -1945,6 +1946,10 @@ interface GPUAdapterInfo {
::
If the {{GPUFeatureName/"subgroups"}} feature is supported, the maximum
supported [=builtin-value/subgroup size=] for the [=adapter=].

: <dfn>isFallbackAdapter</dfn>
::
Whether the [=adapter=] is a [=fallback adapter=].
</dl>

<div algorithm data-timeline=content>
Expand Down Expand Up @@ -1989,6 +1994,8 @@ interface GPUAdapterInfo {
for the property which do not distinguish different devices, but are still usable
(e.g. use the default value of 128 for all devices).

1. Set |adapterInfo|.{{GPUAdapterInfo/isFallbackAdapter}} to |adapter|.{{adapter/[[fallback]]}}.

1. Return |adapterInfo|.
</div>

Expand Down Expand Up @@ -2559,8 +2566,9 @@ enum GPUPowerPreference {
{{GPURequestAdapterOptions/forceFallbackAdapter}} is set to `false` and either no
other appropriate [=adapter=] is available or the user agent chooses to return a
[=fallback adapter=]. Developers that wish to prevent their applications from running on
[=fallback adapters=] should check the {{GPUAdapter}}.{{GPUAdapter/isFallbackAdapter}}
attribute prior to requesting a {{GPUDevice}}.
[=fallback adapters=] should check the
{{GPUAdapter/info}}.{{GPUAdapterInfo/isFallbackAdapter}} attribute prior
to requesting a {{GPUDevice}}.

: <dfn>xrCompatible</dfn>
::
Expand Down Expand Up @@ -2599,7 +2607,6 @@ interface GPUAdapter {
[SameObject] readonly attribute GPUSupportedFeatures features;
[SameObject] readonly attribute GPUSupportedLimits limits;
[SameObject] readonly attribute GPUAdapterInfo info;
readonly attribute boolean isFallbackAdapter;

Promise<GPUDevice> requestDevice(optional GPUDeviceDescriptor descriptor = {});
};
Expand Down Expand Up @@ -2636,10 +2643,6 @@ interface GPUAdapter {
</div>
</div>

: <dfn>isFallbackAdapter</dfn>
::
Returns the value of {{GPUAdapter/[[adapter]]}}.{{adapter/[[fallback]]}}.

: <dfn>\[[adapter]]</dfn>, of type [=adapter=], readonly
::
The [=adapter=] to which this {{GPUAdapter}} refers.
Expand Down