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-rw-r--r--src/mesa/drivers/dri/i965/brw_gs.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_gs.c b/src/mesa/drivers/dri/i965/brw_gs.c
index 02e6a8f984c..edb52ac44b7 100644
--- a/src/mesa/drivers/dri/i965/brw_gs.c
+++ b/src/mesa/drivers/dri/i965/brw_gs.c
@@ -37,6 +37,44 @@
#include "glsl/ir_uniform.h"
static void
+brw_gs_debug_recompile(struct brw_context *brw,
+ struct gl_shader_program *shader_prog,
+ const struct brw_gs_prog_key *key)
+{
+ struct brw_cache_item *c = NULL;
+ const struct brw_gs_prog_key *old_key = NULL;
+ bool found = false;
+
+ perf_debug("Recompiling geometry shader for program %d\n",
+ shader_prog->Name);
+
+ for (unsigned int i = 0; i < brw->cache.size; i++) {
+ for (c = brw->cache.items[i]; c; c = c->next) {
+ if (c->cache_id == BRW_CACHE_GS_PROG) {
+ old_key = c->key;
+
+ if (old_key->program_string_id == key->program_string_id)
+ break;
+ }
+ }
+ if (c)
+ break;
+ }
+
+ if (!c) {
+ perf_debug(" Didn't find previous compile in the shader cache for "
+ "debug\n");
+ return;
+ }
+
+ found |= brw_debug_recompile_sampler_key(brw, &old_key->tex, &key->tex);
+
+ if (!found) {
+ perf_debug(" Something else\n");
+ }
+}
+
+static void
assign_gs_binding_table_offsets(const struct brw_device_info *devinfo,
const struct gl_shader_program *shader_prog,
const struct gl_program *prog,
@@ -63,6 +101,9 @@ brw_codegen_gs_prog(struct brw_context *brw,
struct gl_shader *shader = prog->_LinkedShaders[MESA_SHADER_GEOMETRY];
struct brw_stage_state *stage_state = &brw->gs.base;
struct brw_gs_prog_data prog_data;
+ bool start_busy = false;
+ double start_time = 0;
+
memset(&prog_data, 0, sizeof(prog_data));
assign_gs_binding_table_offsets(brw->intelScreen->devinfo, prog,
@@ -77,6 +118,7 @@ brw_codegen_gs_prog(struct brw_context *brw,
* every uniform is a float which gets padded to the size of a vec4.
*/
struct gl_shader *gs = prog->_LinkedShaders[MESA_SHADER_GEOMETRY];
+ struct brw_shader *bgs = (struct brw_shader *) gs;
int param_count = gp->program.Base.nir->num_uniforms;
if (!compiler->scalar_stage[MESA_SHADER_GEOMETRY])
param_count *= 4;
@@ -107,6 +149,11 @@ brw_codegen_gs_prog(struct brw_context *brw,
if (INTEL_DEBUG & DEBUG_SHADER_TIME)
st_index = brw_get_shader_time_index(brw, prog, NULL, ST_GS);
+ if (unlikely(brw->perf_debug)) {
+ start_busy = brw->batch.last_bo && drm_intel_bo_busy(brw->batch.last_bo);
+ start_time = get_time();
+ }
+
void *mem_ctx = ralloc_context(NULL);
unsigned program_size;
char *error_str;
@@ -119,6 +166,17 @@ brw_codegen_gs_prog(struct brw_context *brw,
return false;
}
+ if (unlikely(brw->perf_debug)) {
+ if (bgs->compiled_once) {
+ brw_gs_debug_recompile(brw, prog, key);
+ }
+ if (start_busy && !drm_intel_bo_busy(brw->batch.last_bo)) {
+ perf_debug("GS compile took %.03f ms and stalled the GPU\n",
+ (get_time() - start_time) * 1000);
+ }
+ bgs->compiled_once = true;
+ }
+
/* Scratch space is used for register spilling */
if (prog_data.base.base.total_scratch) {
brw_get_scratch_bo(brw, &stage_state->scratch_bo,