It seems that [third_party\rust\metal](https://searchfox.org/mozilla-central/source/third_party/rust/metal) does not have enough api binding for mac iosurface
Bug 1708023 Comment 3 Edit History
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It seems that [third_party\rust\metal](https://searchfox.org/mozilla-central/source/third_party/rust/metal) does not have enough api binding for mac iosurface.