Austin Eng 3c4fddf3e3 Fix leak of Metal counter sample buffers
The blit descriptor allocation was leaking, which references the
counter sample buffer. Fix it by storing the descriptor in a
scoped NSRef

Fixed: dawn:1603
Change-Id: If40e8608db167717a4e07f3cb64a5e98402e3f1a
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/112861
Commit-Queue: Austin Eng <enga@chromium.org>
Reviewed-by: Loko Kung <lokokung@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
2022-12-06 02:25:23 +00:00
..