Don't use a callback to return backend instance handles. #2991
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jimblandy
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cwfitzgerald
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Aug 28, 2022
Change `Instance::as_hal<A>` to simply return an `Option<&A::Instance>`, rather than passing it to a callback. We're just borrowing a reference to some `wgpu_hal::Api::Instance` owned by the `wgpu_core::instance::Instance`, so there's no special scoping or locking magic required here.
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Change
Instance::as_hal<A>to simply return anOption<&A::Instance>, rather than passing it to a callback. We'rejust borrowing a reference to some
wgpu_hal::Api::Instanceowned bythe
wgpu_core::instance::Instance, so there's no special scoping orlocking magic required here.
Checklist
cargo clippy.RUSTFLAGS=--cfg=web_sys_unstable_apis cargo clippy --target wasm32-unknown-unknownif applicable.Connections
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