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Commit 5e37a2a4 authored by Kenneth Graunke's avatar Kenneth Graunke
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i965: Skip _mesa_load_state_parameters when there are zero parameters.


Saves a tiny bit of CPU overhead.

Signed-off-by: Kenneth Graunke's avatarKenneth Graunke <kenneth@whitecape.org>
Reviewed-by: default avatarMatt Turner <mattst88@gmail.com>
Acked-by: default avatarEric Anholt <eric@anholt.net>
parent 6f737161
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......@@ -59,11 +59,6 @@ brw_upload_pull_constants(struct brw_context *brw,
int i;
uint32_t surf_index = prog_data->binding_table.pull_constants_start;
/* Updates the ParamaterValues[i] pointers for all parameters of the
* basic type of PROGRAM_STATE_VAR.
*/
_mesa_load_state_parameters(&brw->ctx, prog->Parameters);
if (!prog_data->nr_pull_params) {
if (stage_state->surf_offset[surf_index]) {
stage_state->surf_offset[surf_index] = 0;
......@@ -72,6 +67,11 @@ brw_upload_pull_constants(struct brw_context *brw,
return;
}
/* Updates the ParamaterValues[i] pointers for all parameters of the
* basic type of PROGRAM_STATE_VAR.
*/
_mesa_load_state_parameters(&brw->ctx, prog->Parameters);
/* CACHE_NEW_*_PROG | _NEW_PROGRAM_CONSTANTS */
uint32_t size = prog_data->nr_pull_params * 4;
drm_intel_bo *const_bo = NULL;
......
......@@ -58,15 +58,15 @@ gen6_upload_push_constants(struct brw_context *brw,
{
struct gl_context *ctx = &brw->ctx;
/* Updates the ParamaterValues[i] pointers for all parameters of the
* basic type of PROGRAM_STATE_VAR.
*/
/* XXX: Should this happen somewhere before to get our state flag set? */
_mesa_load_state_parameters(ctx, prog->Parameters);
if (prog_data->nr_params == 0) {
stage_state->push_const_size = 0;
} else {
/* Updates the ParamaterValues[i] pointers for all parameters of the
* basic type of PROGRAM_STATE_VAR.
*/
/* XXX: Should this happen somewhere before to get our state flag set? */
_mesa_load_state_parameters(ctx, prog->Parameters);
gl_constant_value *param;
int i;
......
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