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radeonsi: use nir_opt_uniform_subgroup

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Acked-by: Marek Olšák <marek.olsak@amd.com>
Acked-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38902>
This commit is contained in:
Georg Lehmann 2025-12-11 11:03:12 +01:00 • committed by Marge Bot
parent ec81337d8d
commit 81245e262f
1 changed files with 8 additions and 0 deletions
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8
src/gallium/drivers/radeonsi/si_shader.c
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@ -985,6 +985,14 @@ static void run_late_optimization_and_lowering_passes(struct si_nir_shader_ctx *
if (nir->info.use_aco_amd)
progress |= ac_nir_optimize_uniform_atomics(nir);
NIR_PASS(progress, nir, nir_opt_uniform_subgroup,
&(struct nir_lower_subgroups_options){
.subgroup_size = shader->wave_size,
.ballot_bit_size = shader->wave_size,
.ballot_components = 1,
.lower_ballot_bit_count_to_mbcnt_amd = true,
});
NIR_PASS(progress, nir, si_nir_lower_abi, shader, &ctx->args);
/* Global access lowering must be called after lowering ABI which emits regular load_global intrinsics. */
NIR_PASS(progress, nir, ac_nir_lower_global_access);