41007cdc7d
It is possible in SPIR-V to declare multiple specialization constants with the same constant ID. The most common cause of this in GLSL is defining a spec constant, then declaring the workgroup size to use that spec constant by its ID. But, MSL forbids defining multiple function constants with the same function constant ID. So, we must only emit one definition of the actual function constant (with the `[[function_constant(id)]]` attribute); but we can point the other variables at this one definition. Fixes three tests in the Vulkan CTS under `dEQP-VK.compute.basic.max_local_size_*`. |
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