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authorFrancisco Jerez <[email protected]>2020-01-04 16:16:24 -0800
committerFrancisco Jerez <[email protected]>2020-02-14 14:31:49 -0800
commit8d3b86e34a7b0f77613c7f5669891e54d76f0cbf (patch)
tree9be8a8bc1d12f5084df7c66b51660eda136a599a /docs/sourcedocs.html
parent04c7d3d4b19610cae8250102fefd0012b7233d9e (diff)
intel/fs/gen7+: Implement discard/demote for SIMD32 programs.
At this point this simply involves fixing the initialization of the sample mask flag register to take the right dispatch mask from the thread payload, and fixing sample_mask_reg() to return f1.1 for the second half of a SIMD32 thread. This improves Manhattan 3.1 performance by 2.4%±0.31% (N>40) on my ICL with SIMD32 enabled relative to falling back to SIMD16 for the shaders that use discard. Reviewed-by: Kenneth Graunke <[email protected]>
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