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Faith Ekstrand authored
We're going to want subgroup ID for SPIR-V subgroups eventually anyway. We really only want to push one and calculate the other from it. It makes a bit more sense to push the subgroup ID because it's simpler to calculate and because it's a real API thing. The only advantage to pushing the base thread ID is to avoid a single SHL in the shader. Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
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