[Mesa-dev] [PATCH 10/11] [RFC] mesa/st: implement GL_AMD_performance_monitor

Samuel Pitoiset samuel.pitoiset at gmail.com
Sat Jul 5 11:49:14 PDT 2014


From: Christoph Bumiller <e0425955 at student.tuwien.ac.at>

This is based on the original patch of Christoph Bumiller.
(source: http://people.freedesktop.org/~chrisbmr/perfmon.diff)

V2: (Samuel Pitoiset)
 - Fix compilation
 - Improve the original code
 - Rewrite some parts of the original code

Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
---
 src/mesa/Makefile.sources              |   1 +
 src/mesa/state_tracker/st_cb_perfmon.c | 361 +++++++++++++++++++++++++++++++++
 src/mesa/state_tracker/st_cb_perfmon.h |  63 ++++++
 src/mesa/state_tracker/st_context.c    |   3 +
 4 files changed, 428 insertions(+)
 create mode 100644 src/mesa/state_tracker/st_cb_perfmon.c
 create mode 100644 src/mesa/state_tracker/st_cb_perfmon.h

diff --git a/src/mesa/Makefile.sources b/src/mesa/Makefile.sources
index f4904fb..0b020e2 100644
--- a/src/mesa/Makefile.sources
+++ b/src/mesa/Makefile.sources
@@ -234,6 +234,7 @@ STATETRACKER_FILES = \
 	$(SRCDIR)state_tracker/st_cb_fbo.c \
 	$(SRCDIR)state_tracker/st_cb_feedback.c \
 	$(SRCDIR)state_tracker/st_cb_msaa.c \
+	$(SRCDIR)state_tracker/st_cb_perfmon.c \
 	$(SRCDIR)state_tracker/st_cb_program.c \
 	$(SRCDIR)state_tracker/st_cb_queryobj.c \
 	$(SRCDIR)state_tracker/st_cb_rasterpos.c \
diff --git a/src/mesa/state_tracker/st_cb_perfmon.c b/src/mesa/state_tracker/st_cb_perfmon.c
new file mode 100644
index 0000000..5ec0ec8
--- /dev/null
+++ b/src/mesa/state_tracker/st_cb_perfmon.c
@@ -0,0 +1,361 @@
+/*
+ * Copyright 2014 Nouveau Project
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Christoph Bumiller
+ *          Samuel Pitoiset
+ */
+
+/**
+ * Performance monitoring counters interface to gallium.
+ */
+
+#include "st_context.h"
+#include "st_cb_perfmon.h"
+#include "st_cb_bitmap.h"
+
+#include "main/bitset.h"
+
+/* Avoid multiple definitions */
+#undef MALLOC_STRUCT
+#undef CALLOC_STRUCT
+
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+#include "pipe/p_screen.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
+
+static int
+find_query_type(struct pipe_screen *screen, const char *name)
+{
+   int num_counters;
+   int type = -1;
+   int i;
+
+   num_counters = screen->get_driver_query_info(screen, 0, NULL);
+   if (!num_counters)
+      return type;
+
+   for (i = 0; i < num_counters; i++) {
+      struct pipe_driver_query_info info;
+
+      if (!screen->get_driver_query_info(screen, i, &info))
+         continue;
+
+      if (!strncmp(info.name, name, strlen(name))) {
+         type = info.query_type;
+         break;
+      }
+   }
+   return type;
+}
+
+static void
+reinitialize_perf_monitor(struct st_perf_monitor_object *stm,
+                          struct pipe_context *pipe)
+{
+   int i;
+
+   for (i = 0; i < stm->num_queries; i++) {
+      if (stm->queries[i].pq) {
+         pipe->destroy_query(pipe, stm->queries[i].pq);
+         stm->queries[i].pq = NULL;
+      }
+   }
+   stm->num_queries = 0;
+   stm->ready = FALSE;
+}
+
+static struct gl_perf_monitor_object *
+st_NewPerfMonitor()
+{
+   struct st_perf_monitor_object *stq = ST_CALLOC_STRUCT(st_perf_monitor_object);
+   if (stq)
+      return &stq->base;
+   return NULL;
+}
+
+static void
+st_DeletePerfMonitor(struct gl_context *ctx, struct gl_perf_monitor_object *m)
+{
+   struct st_perf_monitor_object *stm = st_perf_monitor_object(m);
+   struct pipe_context *pipe = st_context(ctx)->pipe;
+
+   reinitialize_perf_monitor(stm, pipe);
+   FREE(stm);
+}
+
+static GLboolean
+st_BeginPerfMonitor(struct gl_context *ctx, struct gl_perf_monitor_object *m)
+{
+   struct st_perf_monitor_object *stm = st_perf_monitor_object(m);
+   struct pipe_screen *screen = st_context(ctx)->pipe->screen;
+   struct pipe_context *pipe = st_context(ctx)->pipe;
+   int num_active_queries = 0;
+   int group, counter;
+   int i;
+
+   st_flush_bitmap_cache(st_context(ctx));
+
+   /* Initialize a monitor to sane starting state. */
+   reinitialize_perf_monitor(stm, pipe);
+
+   /* Check the number of active queries. */
+   for (group = 0; group < ctx->PerfMonitor.NumGroups; group++) {
+      const struct gl_perf_monitor_group *g = &ctx->PerfMonitor.Groups[group];
+      num_active_queries += m->ActiveGroups[group];
+      if (m->ActiveGroups[group] >= g->MaxActiveCounters ||
+          num_active_queries >= ST_MAX_PERFMON_QUERIES) {
+         /* Maximum number of queries reached. Cannot start the session. */
+         return false;
+      }
+   }
+
+   for (group = 0; group < ctx->PerfMonitor.NumGroups; group++) {
+      const struct gl_perf_monitor_group *g = &ctx->PerfMonitor.Groups[group];
+      for (counter = 0; counter < g->NumCounters; counter++) {
+         const struct gl_perf_monitor_counter *c = &g->Counters[counter];
+         int type;
+
+         if (!BITSET_TEST(m->ActiveCounters[group], counter))
+            continue;
+
+         type = find_query_type(screen, c->Name);
+         assert(type != -1);
+
+         stm->queries[stm->num_queries].pq = pipe->create_query(pipe, type, 0);
+         stm->queries[stm->num_queries].group_id = group;
+         stm->queries[stm->num_queries].counter_id = counter;
+         stm->num_queries++;
+      }
+   }
+
+   for (i = 0; i < stm->num_queries; i++) {
+      if (stm->queries[i].pq)
+         if (!pipe->begin_query(pipe, stm->queries[i].pq))
+            goto fail;
+   }
+   return true;
+
+fail:
+   /* Failed to start a monitoring session. */
+   reinitialize_perf_monitor(stm, pipe);
+   return false;
+}
+
+static void
+st_EndPerfMonitor(struct gl_context *ctx, struct gl_perf_monitor_object *m)
+{
+   struct st_perf_monitor_object *stm = st_perf_monitor_object(m);
+   struct pipe_context *pipe = st_context(ctx)->pipe;
+   int i;
+
+   st_flush_bitmap_cache(st_context(ctx));
+
+   for (i = 0; i < stm->num_queries; i++)
+      if (stm->queries[i].pq)
+         pipe->end_query(pipe, stm->queries[i].pq);
+}
+
+static void
+st_ResetPerfMonitor(struct gl_context *ctx, struct gl_perf_monitor_object *m)
+{
+   struct st_perf_monitor_object *stm = st_perf_monitor_object(m);
+   struct pipe_context *pipe = st_context(ctx)->pipe;
+
+   if (!m->Ended)
+      st_EndPerfMonitor(ctx, m);
+
+   reinitialize_perf_monitor(stm, pipe);
+
+   if (m->Active)
+      st_BeginPerfMonitor(ctx, m);
+}
+
+static GLboolean
+st_IsPerfMonitorResultAvailable(struct gl_context *ctx,
+                                struct gl_perf_monitor_object *m)
+{
+   struct st_perf_monitor_object *stm = st_perf_monitor_object(m);
+   struct pipe_context *pipe = st_context(ctx)->pipe;
+   int i;
+
+   if (stm->ready)
+      return stm->ready;
+
+   for (i = 0; i < stm->num_queries; i++) {
+      union pipe_query_result result;
+      if (!pipe->get_query_result(pipe, stm->queries[i].pq, TRUE, &result))
+         break;
+   }
+   stm->ready = i == stm->num_queries;
+   return stm->ready;
+}
+
+static void
+st_GetPerfMonitorResult(struct gl_context *ctx,
+                        struct gl_perf_monitor_object *m,
+                        GLsizei dataSize,
+                        GLuint *data,
+                        GLint *bytesWritten)
+{
+   struct st_perf_monitor_object *stm = st_perf_monitor_object(m);
+   struct pipe_context *pipe = st_context(ctx)->pipe;
+   int i;
+
+   /* This hook should only be called when results are available. */
+   assert(m->Ended);
+
+   /* Copy data to the supplied array (data).
+    *
+    * The output data format is: <group ID, counter ID, value> for each
+    * active counter. The API allows counters to appear in any order.
+    */
+   GLsizei offset = 0;
+
+   for (i = 0; i < stm->num_queries; i++) {
+      union pipe_query_result result;
+      int group_id, counter_id;
+      GLenum type;
+
+      if (!pipe->get_query_result(pipe, stm->queries[i].pq, TRUE, &result))
+         continue;
+
+      group_id = stm->queries[i].group_id;
+      counter_id = stm->queries[i].counter_id;
+      type = ctx->PerfMonitor.Groups[group_id].Counters[counter_id].Type;
+
+      data[offset++] = group_id;
+      data[offset++] = counter_id;
+      switch (type) {
+      case GL_PERCENTAGE_AMD:
+         data[offset++] = result.u64;
+         break;
+      case GL_UNSIGNED_INT64_AMD:
+         *(uint64_t *)&data[offset] = result.u64;
+         offset += sizeof(uint64_t) / sizeof(GLuint);
+         break;
+      case GL_FLOAT:
+         *(GLfloat *)&data[offset] = result.f32;
+         offset += sizeof(GLfloat) / sizeof(GLuint);
+         break;
+      }
+   }
+
+   if (bytesWritten)
+      *bytesWritten = offset * sizeof(GLuint);
+}
+
+bool
+st_init_perfmon(struct st_context *st)
+{
+   struct gl_perf_monitor_state *perfmon = &st->ctx->PerfMonitor;
+   struct pipe_screen *screen = st->pipe->screen;
+   struct gl_perf_monitor_group *groups = NULL;
+   int num_counters, num_groups;
+   int group, counter;
+
+   if (!screen->get_driver_query_group_info) {
+      /* Drivers must implement it for AMD_performance_monitor. */
+      return false;
+   }
+
+   /* Get the total number of counters. */
+   num_counters = screen->get_driver_query_info(screen, 0, NULL);
+   if (!num_counters)
+      return false;
+
+   /* Get the number of available groups. */
+   num_groups = screen->get_driver_query_group_info(screen, 0, NULL);
+   if (num_groups)
+      groups = CALLOC(num_groups,
+                      sizeof(struct gl_perf_monitor_group));
+   if (!groups)
+      return false;
+
+   for (group = 0; group < num_groups; group++) {
+      struct gl_perf_monitor_group *g = &groups[group];
+      struct pipe_driver_query_group_info group_info;
+      struct gl_perf_monitor_counter *counters = NULL;
+
+      if (!screen->get_driver_query_group_info(screen, group, &group_info))
+         continue;
+
+      g->Name = group_info.name;
+      g->MaxActiveCounters = MIN2(group_info.max_active_queries,
+                                  ST_MAX_PERFMON_QUERIES);
+      g->NumCounters = 0;
+      g->Counters = NULL;
+
+      if (group_info.num_queries)
+         counters = CALLOC(group_info.num_queries,
+                           sizeof(struct gl_perf_monitor_group));
+      if (!counters)
+         goto fail;
+
+      for (counter = 0; counter < num_counters; counter++) {
+         struct gl_perf_monitor_counter *c = &counters[g->NumCounters];
+         struct pipe_driver_query_info info;
+
+         if (!screen->get_driver_query_info(screen, counter, &info))
+            continue;
+         if (info.group_id != group)
+            continue;
+
+         c->Name = info.name;
+         if (info.is_float) {
+            c->Minimum.f = info.min_value.f;
+            c->Maximum.f = info.max_value.f;
+            c->Type = GL_FLOAT;
+         } else {
+            c->Minimum.u64 = info.min_value.ui;
+            c->Maximum.u64 = info.max_value.ui;
+            c->Type = GL_UNSIGNED_INT64_AMD;
+         }
+         if (info.is_percentage)
+            c->Type = GL_PERCENTAGE_AMD;
+
+         g->NumCounters++;
+      }
+      g->Counters = counters;
+   }
+
+   perfmon->NumGroups = num_groups;
+   perfmon->Groups = groups;
+   return true;
+
+fail:
+   for (group = 0; group < num_groups; group++)
+      FREE((struct gl_perf_monitor_counter *)groups[group].Counters);
+   FREE(groups);
+   return false;
+}
+
+void st_init_perfmon_functions(struct dd_function_table *functions)
+{
+   functions->NewPerfMonitor = st_NewPerfMonitor;
+   functions->DeletePerfMonitor = st_DeletePerfMonitor;
+   functions->BeginPerfMonitor = st_BeginPerfMonitor;
+   functions->EndPerfMonitor = st_EndPerfMonitor;
+   functions->ResetPerfMonitor = st_ResetPerfMonitor;
+   functions->IsPerfMonitorResultAvailable = st_IsPerfMonitorResultAvailable;
+   functions->GetPerfMonitorResult = st_GetPerfMonitorResult;
+}
diff --git a/src/mesa/state_tracker/st_cb_perfmon.h b/src/mesa/state_tracker/st_cb_perfmon.h
new file mode 100644
index 0000000..95c2fce
--- /dev/null
+++ b/src/mesa/state_tracker/st_cb_perfmon.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2014 Nouveau Project
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Christoph Bumiller
+ *          Samuel Pitoiset
+ */
+
+#ifndef ST_CB_PERFMON_H
+#define ST_CB_PERFMON_H
+
+#include "main/mtypes.h"
+
+#define ST_MAX_PERFMON_QUERIES 8
+
+/**
+ * Subclass of gl_perf_monitor_object
+ */
+struct st_perf_monitor_object
+{
+   struct gl_perf_monitor_object base;
+   unsigned num_queries;
+   struct {
+      struct pipe_query *pq;
+      int group_id;
+      int counter_id;
+   } queries[ST_MAX_PERFMON_QUERIES];
+   bool ready;
+};
+
+/**
+ * Cast wrapper
+ */
+static INLINE struct st_perf_monitor_object *
+st_perf_monitor_object(struct gl_perf_monitor_object *q)
+{
+   return (struct st_perf_monitor_object *)q;
+}
+
+bool
+st_init_perfmon(struct st_context *st);
+
+extern void
+st_init_perfmon_functions(struct dd_function_table *functions);
+
+#endif
diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
index c7f3ec6..8aa2d6f 100644
--- a/src/mesa/state_tracker/st_context.c
+++ b/src/mesa/state_tracker/st_context.c
@@ -51,6 +51,7 @@
 #include "st_cb_fbo.h"
 #include "st_cb_feedback.h"
 #include "st_cb_msaa.h"
+#include "st_cb_perfmon.h"
 #include "st_cb_program.h"
 #include "st_cb_queryobj.h"
 #include "st_cb_readpixels.h"
@@ -152,6 +153,7 @@ st_create_context_priv( struct gl_context *ctx, struct pipe_context *pipe,
    st_init_bitmap(st);
    st_init_clear(st);
    st_init_draw( st );
+   st_init_perfmon(st);
 
    /* Choose texture target for glDrawPixels, glBitmap, renderbuffers */
    if (pipe->screen->get_param(pipe->screen, PIPE_CAP_NPOT_TEXTURES))
@@ -363,6 +365,7 @@ void st_init_driver_functions(struct dd_function_table *functions)
    st_init_fbo_functions(functions);
    st_init_feedback_functions(functions);
    st_init_msaa_functions(functions);
+   st_init_perfmon_functions(functions);
    st_init_program_functions(functions);
    st_init_query_functions(functions);
    st_init_cond_render_functions(functions);
-- 
2.0.0



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