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For now, only mark the 4x8BitPacked variants as accelerated. Applications are unlikely to use the "add with saturate" opcodes from VK_INTEL_shader_integer_functions2, so, technically, all of the AccumulatingSaturating variants "[provide] a performance advantage over user-provided code composed from elementary instructions..." on all Intel platforms. If we encounter an application that cares, we can do things differently then. Ditto for the non-packed 8Bit, 4-element vector variants. v2: Don't memset props as this also zeros sType and pNext. Noticed by Georg Lehmann in !12617. Reviewed-by: Jason Ekstrand <jason@jlekstrand.net> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12624> |
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