Change mapAsync to also early-reject if already mapped (#4787)

kainino0x · web-flow · commit edfffd9ea6f6 · 2024-08-29T10:58:55.000-07:00
Not just if already _pending_ mapping.
diff --git a/spec/index.bs b/spec/index.bs
@@ -3521,7 +3521,7 @@ The {{GPUMapMode}} flags determine how a {{GPUBuffer}} is mapped when calling
                 [=Content timeline=] steps:
 
                 1. Let <var data-timeline=content>contentTimeline</var> be the current [=Content timeline=].
-                1. If |this|.{{GPUBuffer/[[pending_map]]}} is not `null`:
+                1. If |this|.{{GPUBuffer/mapState}} is not {{GPUBufferMapState/"unmapped"}}:
                     1. Issue the |early-reject steps| on the [=Device timeline=] of
                         |this|.{{GPUObjectBase/[[device]]}}.
                     1. Return [=a promise rejected with=] {{OperationError}}.
