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nir/opt_if: also rewrite uniform uses for read_invocation

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No Foz-DB changes, but maybe it matters in the future because dxil-spirv
will use read_invocation for WaveReadLaneFirst in fragment shaders.

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24618>
This commit is contained in:
Georg Lehmann 2023-08-10 21:05:32 +02:00 • committed by Marge Bot
parent ce0c70fb0c
commit 9585689839
1 changed files with 1 additions and 0 deletions
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src/compiler/nir/nir_opt_if.c
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@ -1424,6 +1424,7 @@ opt_if_rewrite_uniform_uses(nir_builder *b, nir_if *nif, nir_ssa_scalar cond, bo
continue;
nir_intrinsic_instr *intrin = nir_instr_as_intrinsic(src_uni.def->parent_instr);
if (intrin->intrinsic != nir_intrinsic_read_first_invocation &&
intrin->intrinsic != nir_intrinsic_read_invocation &&
(intrin->intrinsic != nir_intrinsic_reduce || nir_intrinsic_cluster_size(intrin)))
continue;