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-rw-r--r--src/amd/common/ac_nir_to_llvm.c13
-rw-r--r--src/amd/common/ac_shader_info.c3
-rw-r--r--src/amd/common/ac_shader_info.h3
3 files changed, 14 insertions, 5 deletions
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 31b772f5669..f8543563293 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -604,7 +604,8 @@ static void create_function(struct nir_to_llvm_context *ctx)
switch (ctx->stage) {
case MESA_SHADER_COMPUTE:
- arg_types[arg_idx++] = LLVMVectorType(ctx->i32, 3); /* grid size */
+ if (ctx->shader_info->info.cs.grid_components_used)
+ arg_types[arg_idx++] = LLVMVectorType(ctx->i32, ctx->shader_info->info.cs.grid_components_used); /* grid size */
user_sgpr_count = arg_idx;
arg_types[arg_idx++] = LLVMVectorType(ctx->i32, 3);
arg_types[arg_idx++] = ctx->i32;
@@ -762,10 +763,12 @@ static void create_function(struct nir_to_llvm_context *ctx)
switch (ctx->stage) {
case MESA_SHADER_COMPUTE:
- set_userdata_location_shader(ctx, AC_UD_CS_GRID_SIZE, user_sgpr_idx, 3);
- user_sgpr_idx += 3;
- ctx->num_work_groups =
- LLVMGetParam(ctx->main_function, arg_idx++);
+ if (ctx->shader_info->info.cs.grid_components_used) {
+ set_userdata_location_shader(ctx, AC_UD_CS_GRID_SIZE, user_sgpr_idx, ctx->shader_info->info.cs.grid_components_used);
+ user_sgpr_idx += ctx->shader_info->info.cs.grid_components_used;
+ ctx->num_work_groups =
+ LLVMGetParam(ctx->main_function, arg_idx++);
+ }
ctx->workgroup_ids =
LLVMGetParam(ctx->main_function, arg_idx++);
ctx->tg_size =
diff --git a/src/amd/common/ac_shader_info.c b/src/amd/common/ac_shader_info.c
index 6ad562505cf..ef3692563b2 100644
--- a/src/amd/common/ac_shader_info.c
+++ b/src/amd/common/ac_shader_info.c
@@ -33,6 +33,9 @@ gather_intrinsic_info(nir_intrinsic_instr *instr, struct ac_shader_info *info)
case nir_intrinsic_load_draw_id:
info->vs.needs_draw_id = true;
break;
+ case nir_intrinsic_load_num_work_groups:
+ info->cs.grid_components_used = instr->num_components;
+ break;
default:
break;
}
diff --git a/src/amd/common/ac_shader_info.h b/src/amd/common/ac_shader_info.h
index 7e2b6c885a6..ed97d06d56b 100644
--- a/src/amd/common/ac_shader_info.h
+++ b/src/amd/common/ac_shader_info.h
@@ -35,6 +35,9 @@ struct ac_shader_info {
struct {
bool needs_sample_positions;
} ps;
+ struct {
+ uint8_t grid_components_used;
+ } cs;
};
void