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Keenuts
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[SPIR-V][Feature Request] Implement GatherRaw in the SPIR-V backend
[SPIR-V][Feature Request][SM6.7] Implement GatherRaw in the SPIR-V backend
May 13, 2024
I don't think this can be implemented in a straight forward way. The problem is that the new instruction retrieves "a single value that represents a raw, bitwise copy of all of the element’s channels without any conversion of texture contents." As far a I can tell, no existing Vulkan instruction will do that.
Shader Model 6.7 added Raw Gather Methods which are currently unimplemented in the SPIR-V backend.
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