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iris: lower load_num_workgroups

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Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38735>
This commit is contained in:
Lionel Landwerlin
2025-12-01 10:14:00 +02:00
committed by Marge Bot
parent 5bf3546cc6
commit e12e7e117c
1 changed files with 16 additions and 1 deletions
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src/gallium/drivers/iris/iris_program.c
+16 -1
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@@ -1520,7 +1520,7 @@ iris_setup_binding_table(const struct intel_device_info *devinfo,
nir_builder b = nir_builder_create(impl);
nir_foreach_block (block, impl) {
nir_foreach_instr (instr, block) {
nir_foreach_instr_safe (instr, block) {
if (instr->type == nir_instr_type_tex) {
nir_tex_instr *tex = nir_instr_as_tex(instr);
if (tex->texture_index < 64) {
@@ -1583,6 +1583,21 @@ iris_setup_binding_table(const struct intel_device_info *devinfo,
IRIS_SURFACE_GROUP_SSBO);
break;
case nir_intrinsic_load_num_workgroups:
b.cursor = nir_before_instr(instr);
nir_def_replace(
&intrin->def,
nir_load_ubo(&b,
intrin->def.num_components,
intrin->def.bit_size,
nir_imm_int(&b, bt->offsets[
IRIS_SURFACE_GROUP_CS_WORK_GROUPS]),
nir_imm_int(&b, 0),
.range_base = 0,
.range = intrin->def.num_components *
intrin->def.bit_size / 8));
break;
default:
break;
}