Move GPUAdapter isFallbackAdapter attribute to GPUAdapterInfo

beaufortfrancois · beaufortfrancois · commit 1f640d2b2f9e · 2025-03-12T13:38:29.000+01:00
diff --git a/spec/index.bs b/spec/index.bs
@@ -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>
 
@@ -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>
@@ -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>
 
@@ -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>
     ::
@@ -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 = {});
 };
@@ -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.
