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brw/mesh: drop brw_tue_map::per_task_data_start_dw

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It's always set to a fixed value and not used in many places. Use the
value directly where it's needed.

Suggested-by: Lucas Fryzek <lfryzek@igalia.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37648>
This commit is contained in:
Iván Briano 2025-10-01 16:09:58 -07:00 • committed by Marge Bot
parent e624174134
commit ac182d6045
2 changed files with 7 additions and 11 deletions
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16
src/intel/compiler/brw_compile_mesh.cpp
View file

@ -100,6 +100,11 @@ brw_nir_lower_launch_mesh_workgroups(nir_shader *nir)
NULL);
}
/* From bspec: "It is suggested that SW reserve the 16 bytes following the
* TUE Header, and therefore start the SW-defined data structure at 32B
* alignment. This allows the TUE Header to always be written as 32 bytes
* with 32B alignment, the most optimal write performance case."
*/
#define BRW_PER_TASK_DATA_START_DW 8
static void
@ -110,17 +115,10 @@ brw_nir_lower_tue_outputs(nir_shader *nir, brw_tue_map *map)
NIR_PASS(_, nir, nir_lower_io, nir_var_shader_out,
type_size_scalar_dwords, nir_lower_io_lower_64bit_to_32);
/* From bspec: "It is suggested that SW reserve the 16 bytes following the
* TUE Header, and therefore start the SW-defined data structure at 32B
* alignment. This allows the TUE Header to always be written as 32 bytes
* with 32B alignment, the most optimal write performance case."
*/
map->per_task_data_start_dw = BRW_PER_TASK_DATA_START_DW;
/* Lowering to explicit types will start offsets from task_payload_size, so
* set it to start after the header.
*/
nir->info.task_payload_size = map->per_task_data_start_dw * 4;
nir->info.task_payload_size = BRW_PER_TASK_DATA_START_DW * 4;
NIR_PASS(_, nir, nir_lower_vars_to_explicit_types,
nir_var_mem_task_payload, shared_type_info);
NIR_PASS(_, nir, nir_lower_explicit_io,
@ -368,7 +366,7 @@ brw_compile_task(const struct brw_compiler *compiler,
/* The actual payload data starts after the TUE header and padding,
* so skip those when copying.
*/
.payload_offset_in_bytes = prog_data->map.per_task_data_start_dw * 4,
.payload_offset_in_bytes = BRW_PER_TASK_DATA_START_DW * 4,
};
NIR_PASS(_, nir, nir_lower_task_shader, lower_ts_opt);

2
src/intel/compiler/brw_compiler.h
View file

@ -1302,8 +1302,6 @@ struct brw_gs_prog_data
struct brw_tue_map {
uint32_t size_dw;
uint32_t per_task_data_start_dw;
};
struct brw_mue_map {