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radv: lower adjusting gl_FragCoord.z for VRS in NIR

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fossils-db (Sienna Cichlid):
Totals from 4432 (3.29% of 134913) affected shaders:
VGPRs: 231232 -> 231880 (+0.28%)
CodeSize: 24738224 -> 24718008 (-0.08%); split: -0.08%, +0.00%
MaxWaves: 93120 -> 93000 (-0.13%)
Instrs: 4540970 -> 4541062 (+0.00%); split: -0.01%, +0.01%
Latency: 49658353 -> 49641444 (-0.03%); split: -0.05%, +0.01%
InvThroughput: 9604328 -> 9603041 (-0.01%); split: -0.02%, +0.01%
VClause: 66497 -> 66498 (+0.00%)
SClause: 209530 -> 209532 (+0.00%); split: -0.01%, +0.01%
Copies: 276135 -> 276249 (+0.04%); split: -0.14%, +0.18%
PreSGPRs: 189409 -> 189415 (+0.00%)
PreVGPRs: 207368 -> 207458 (+0.04%)

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15450>
This commit is contained in:
Samuel Pitoiset
2022-03-18 10:15:41 +01:00
parent a42b6a4d39
commit 4cfb5332d6
7 changed files with 28 additions and 57 deletions
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1
src/gallium/drivers/radeonsi/si_shader_llvm.c
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@@ -519,7 +519,6 @@ static bool si_nir_build_llvm(struct si_shader_context *ctx, struct nir_shader *
ctx->abi.clamp_shadow_reference = true;
ctx->abi.robust_buffer_access = true;
ctx->abi.convert_undef_to_zero = true;
ctx->abi.adjust_frag_coord_z = false;
ctx->abi.load_grid_size_from_user_sgpr = true;
const struct si_shader_info *info = &ctx->shader->selector->info;