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-rw-r--r--src/mesa/drivers/dri/i965/brw_vec4_emit.cpp3
-rw-r--r--src/mesa/drivers/dri/i965/brw_vs.c71
-rw-r--r--src/mesa/drivers/dri/i965/brw_vs.h3
3 files changed, 76 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_emit.cpp b/src/mesa/drivers/dri/i965/brw_vec4_emit.cpp
index 9e4efd0933a..0a504673a57 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_emit.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_emit.cpp
@@ -1023,6 +1023,7 @@ extern "C" {
bool
brw_vs_emit(struct gl_shader_program *prog, struct brw_vs_compile *c)
{
+ struct brw_context *brw = c->func.brw;
struct intel_context *intel = &c->func.brw->intel;
bool start_busy = false;
float start_time = 0;
@@ -1049,7 +1050,7 @@ brw_vs_emit(struct gl_shader_program *prog, struct brw_vs_compile *c)
if (unlikely(INTEL_DEBUG & DEBUG_PERF)) {
if (shader->compiled_once) {
- perf_debug("Recompiling vertex shader for program %d\n", prog->Name);
+ brw_vs_debug_recompile(brw, prog, &c->key);
}
if (start_busy && !drm_intel_bo_busy(intel->batch.last_bo)) {
perf_debug("VS compile took %.03f ms and stalled the GPU\n",
diff --git a/src/mesa/drivers/dri/i965/brw_vs.c b/src/mesa/drivers/dri/i965/brw_vs.c
index 2ad4134608c..21204372c0d 100644
--- a/src/mesa/drivers/dri/i965/brw_vs.c
+++ b/src/mesa/drivers/dri/i965/brw_vs.c
@@ -297,6 +297,77 @@ do_vs_prog(struct brw_context *brw,
return true;
}
+static bool
+key_debug(const char *name, int a, int b)
+{
+ if (a != b) {
+ perf_debug(" %s %d->%d\n", name, a, b);
+ return true;
+ }
+ return false;
+}
+
+void
+brw_vs_debug_recompile(struct brw_context *brw,
+ struct gl_shader_program *prog,
+ const struct brw_vs_prog_key *key)
+{
+ struct brw_cache_item *c = NULL;
+ const struct brw_vs_prog_key *old_key = NULL;
+ bool found = false;
+
+ perf_debug("Recompiling vertex shader for program %d\n", 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_VS_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;
+ }
+
+ for (unsigned int i = 0; i < VERT_ATTRIB_MAX; i++) {
+ found |= key_debug("GL_FIXED rescaling",
+ old_key->gl_fixed_input_size[i],
+ key->gl_fixed_input_size[i]);
+ }
+
+ found |= key_debug("user clip flags",
+ old_key->userclip_active, key->userclip_active);
+
+ found |= key_debug("user clipping planes as push constants",
+ old_key->nr_userclip_plane_consts,
+ key->nr_userclip_plane_consts);
+
+ found |= key_debug("clip distance enable",
+ old_key->uses_clip_distance, key->uses_clip_distance);
+ found |= key_debug("clip plane enable bitfield",
+ old_key->userclip_planes_enabled_gen_4_5,
+ key->userclip_planes_enabled_gen_4_5);
+ found |= key_debug("copy edgeflag",
+ old_key->copy_edgeflag, key->copy_edgeflag);
+ found |= key_debug("PointCoord replace",
+ old_key->point_coord_replace, key->point_coord_replace);
+ found |= key_debug("vertex color clamping",
+ old_key->clamp_vertex_color, key->clamp_vertex_color);
+
+ found |= brw_debug_recompile_sampler_key(&old_key->tex, &key->tex);
+
+ if (!found) {
+ perf_debug(" Something else\n");
+ }
+}
static void brw_upload_vs_prog(struct brw_context *brw)
{
diff --git a/src/mesa/drivers/dri/i965/brw_vs.h b/src/mesa/drivers/dri/i965/brw_vs.h
index 6d3b6ce1d25..a68a620b1f2 100644
--- a/src/mesa/drivers/dri/i965/brw_vs.h
+++ b/src/mesa/drivers/dri/i965/brw_vs.h
@@ -120,5 +120,8 @@ struct brw_vs_compile {
bool brw_vs_emit(struct gl_shader_program *prog, struct brw_vs_compile *c);
void brw_old_vs_emit(struct brw_vs_compile *c);
bool brw_vs_precompile(struct gl_context *ctx, struct gl_shader_program *prog);
+void brw_vs_debug_recompile(struct brw_context *brw,
+ struct gl_shader_program *prog,
+ const struct brw_vs_prog_key *key);
#endif