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pco: add write memory check before processing nir

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Signed-off-by: Simon Perretta <simon.perretta@imgtec.com>
Acked-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36412>
This commit is contained in:
Simon Perretta 2025-05-29 18:19:07 +01:00 • committed by Marge Bot
parent 75cea0ceee
commit e3195c5a70
1 changed files with 11 additions and 0 deletions
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11
src/imagination/pco/pco_nir.c
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@ -462,6 +462,14 @@ static void pco_nir_opt(pco_ctx *ctx, nir_shader *nir)
} while (progress);
}
static bool check_mem_writes(nir_builder *b,
nir_intrinsic_instr *intr,
UNUSED void *cb_data)
{
b->shader->info.writes_memory |= nir_intrinsic_writes_external_memory(intr);
return false;
}
/**
* \brief Runs pre-processing passes on a NIR shader.
*
@ -470,6 +478,9 @@ static void pco_nir_opt(pco_ctx *ctx, nir_shader *nir)
*/
void pco_preprocess_nir(pco_ctx *ctx, nir_shader *nir)
{
if (nir->info.stage == MESA_SHADER_FRAGMENT)
nir_shader_intrinsics_pass(nir, check_mem_writes, nir_metadata_all, NULL);
if (nir->info.stage == MESA_SHADER_COMPUTE)
NIR_PASS(_, nir, pco_nir_compute_instance_check);