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radeonsi: lower nir_load_tess_rel_patch_id_amd in abi for aco

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Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23433>
This commit is contained in:
Qiang Yu 2023-05-23 13:50:22 +08:00 • committed by Qiang Yu
parent 497d563b5e
commit 415ed0567a
1 changed files with 12 additions and 0 deletions
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12
src/gallium/drivers/radeonsi/si_nir_lower_abi.c
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@ -595,6 +595,18 @@ static bool lower_intrinsic(nir_builder *b, nir_instr *instr, struct lower_abi_s
assert(s->esgs_ring);
replacement = s->esgs_ring;
break;
case nir_intrinsic_load_tess_rel_patch_id_amd:
/* LLVM need to replace patch id arg, so have to be done in LLVM backend. */
if (!shader->use_aco)
return false;
if (stage == MESA_SHADER_TESS_CTRL) {
replacement = ac_nir_unpack_arg(b, &args->ac, args->ac.tcs_rel_ids, 0, 8);
} else {
assert(stage == MESA_SHADER_TESS_EVAL);
replacement = ac_nir_load_arg(b, &args->ac, args->ac.tes_rel_patch_id);
}
break;
default:
return false;
}