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pan/bi: Drop lower_sample_mask_writes

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pan_nir_lower_fs_outputs() already does this so there's no need to have
it in a separate pass.

Reviewed-by: Lars-Ivar Hesselberg Simonsen <lars-ivar.simonsen@arm.com>
Reviewed-by: Lorenzo Rossi <lorenzo.rossi@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40544>
This commit is contained in:
Faith Ekstrand 2026-03-19 09:15:59 -04:00 • committed by Marge Bot
parent 23e34532bd
commit 5a2b919c27
1 changed files with 0 additions and 22 deletions
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22
src/panfrost/compiler/bifrost/bifrost_compile.c
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@ -6014,25 +6014,6 @@ bi_fp32_varying_mask(nir_shader *nir)
return mask;
}
static bool
bi_lower_sample_mask_writes(nir_builder *b, nir_intrinsic_instr *intr,
void *data)
{
if (intr->intrinsic != nir_intrinsic_store_output)
return false;
assert(b->shader->info.stage == MESA_SHADER_FRAGMENT);
if (nir_intrinsic_io_semantics(intr).location != FRAG_RESULT_SAMPLE_MASK)
return false;
b->cursor = nir_before_instr(&intr->instr);
nir_def *orig = nir_load_sample_mask(b);
nir_src_rewrite(&intr->src[0], nir_iand(b, orig, intr->src[0].ssa));
return true;
}
static bool
bi_lower_load_output(nir_builder *b, nir_intrinsic_instr *intr,
UNUSED void *data)
@ -6261,9 +6242,6 @@ bifrost_postprocess_nir(nir_shader *nir, unsigned gpu_id)
nir_var_shader_in | nir_var_shader_out,
~bi_fp32_varying_mask(nir), false);
NIR_PASS(_, nir, nir_shader_intrinsics_pass, bi_lower_sample_mask_writes,
nir_metadata_control_flow, NULL);
NIR_PASS(_, nir, bifrost_nir_lower_load_output);
} else if (nir->info.stage == MESA_SHADER_VERTEX) {
NIR_PASS(_, nir, nir_lower_viewport_transform);