1 files changed, 6 insertions, 4 deletions
diff --git a/third_party/rust/wgpu-core/src/track/metadata.rs b/third_party/rust/wgpu-core/src/track/metadata.rs
index 3e71e0e084..d6e8d6f906 100644
--- a/third_party/rust/wgpu-core/src/track/metadata.rs
+++ b/third_party/rust/wgpu-core/src/track/metadata.rs
@@ -87,16 +87,18 @@ impl<T: Resource> ResourceMetadata<T> {
     /// Add the resource with the given index, epoch, and reference count to the
     /// set.
     ///
+    /// Returns a reference to the newly inserted resource.
+    /// (This allows avoiding a clone/reference count increase in many cases.)
+    ///
     /// # Safety
     ///
     /// The given `index` must be in bounds for this `ResourceMetadata`'s
     /// existing tables. See `tracker_assert_in_bounds`.
     #[inline(always)]
-    pub(super) unsafe fn insert(&mut self, index: usize, resource: Arc<T>) {
+    pub(super) unsafe fn insert(&mut self, index: usize, resource: Arc<T>) -> &Arc<T> {
         self.owned.set(index, true);
-        unsafe {
-            *self.resources.get_unchecked_mut(index) = Some(resource);
-        }
+        let resource_dst = unsafe { self.resources.get_unchecked_mut(index) };
+        resource_dst.insert(resource)
     }
 
     /// Get the resource with the given index.