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17fcb19425
In `naga:🔙hlsl`:
- Generate calls to `Interlocked{op}64` when necessary. not
`Interlocked{op}`.
- Make atomic operations that do not produce a value emit their
operands properly.
In the Naga snapshot tests:
- Adapt `atomicOps-int64-min-max.wgsl` to include cases that
cover non-trivial atomic operation operand emitting.
In `wgpu_hal::vulkan::adapter`:
- When retrieving physical device features, be sure to include
the `PhysicalDeviceShaderAtomicInt64Features` extending struct
in the chain whenever the `VK_KHR_shader_atomic_int64` extension
is available.
- Request both `shader_{buffer,shared}_int64_atomics` in the
`PhysicalDeviceShaderAtomicInt64Features` extending struct when either of
`wgpu_types::Features::SHADER_INT64_ATOMIC_{ALL_OPS,MIN_MAX}` is requested.
---------
Co-authored-by: Jim Blandy <jimb@red-bean.com>
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