[Mesa-dev] [PATCH] nvc0: expose a group of performance metrics on Fermi

[Samuel Pitoiset]

This allows to monitor those performance metrics through
GL_AMD_performance_monitor.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
---
 src/gallium/drivers/nouveau/nvc0/nvc0_query.c           | 14 +++++++++++++-
 src/gallium/drivers/nouveau/nvc0/nvc0_query.h           |  3 ++-
 src/gallium/drivers/nouveau/nvc0/nvc0_query_hw_metric.c |  2 +-
 3 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_query.c b/src/gallium/drivers/nouveau/nvc0/nvc0_query.c
index e4752e2..f539210 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_query.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_query.c
@@ -28,6 +28,7 @@
 #include "nvc0/nvc0_query.h"
 #include "nvc0/nvc0_query_sw.h"
 #include "nvc0/nvc0_query_hw.h"
+#include "nvc0/nvc0_query_hw_metric.h"
 #include "nvc0/nvc0_query_hw_sm.h"
 
 static struct pipe_query *
@@ -188,7 +189,7 @@ nvc0_screen_get_driver_query_group_info(struct pipe_screen *pscreen,
             count++;
          } else
          if (screen->base.class_3d < NVE4_3D_CLASS) {
-            count++;
+            count += 2;
          }
       }
    }
@@ -218,6 +219,17 @@ nvc0_screen_get_driver_query_group_info(struct pipe_screen *pscreen,
             return 1;
          }
       }
+   } else
+   if (id == NVC0_HW_METRIC_QUERY_GROUP) {
+      if (screen->compute) {
+         if (screen->base.class_3d < NVE4_3D_CLASS) {
+            info->name = "Performance metrics";
+            info->type = PIPE_DRIVER_QUERY_GROUP_TYPE_GPU;
+            info->max_active_queries = 1;
+            info->num_queries = NVC0_HW_METRIC_QUERY_COUNT;
+            return 1;
+         }
+      }
    }
 #ifdef NOUVEAU_ENABLE_DRIVER_STATISTICS
    else if (id == NVC0_SW_QUERY_DRV_STAT_GROUP) {
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_query.h b/src/gallium/drivers/nouveau/nvc0/nvc0_query.h
index 6883ab6..c46361c 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_query.h
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_query.h
@@ -32,7 +32,8 @@ nvc0_query(struct pipe_query *pipe)
  * Driver queries groups:
  */
 #define NVC0_HW_SM_QUERY_GROUP       0
-#define NVC0_SW_QUERY_DRV_STAT_GROUP 1
+#define NVC0_HW_METRIC_QUERY_GROUP   1
+#define NVC0_SW_QUERY_DRV_STAT_GROUP 2
 
 void nvc0_init_query_functions(struct nvc0_context *);
 
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_query_hw_metric.c b/src/gallium/drivers/nouveau/nvc0/nvc0_query_hw_metric.c
index 25aa09b..fb2806a 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_query_hw_metric.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_query_hw_metric.c
@@ -431,7 +431,7 @@ nvc0_hw_metric_get_driver_query_info(struct nvc0_screen *screen, unsigned id,
             id = nvc0_hw_metric_get_next_query_id(queries, id);
             info->name = nvc0_hw_metric_names[id];
             info->query_type = NVC0_HW_METRIC_QUERY(id);
-            info->group_id = -1;
+            info->group_id = NVC0_HW_METRIC_QUERY_GROUP;
             return 1;
          }
       }
-- 
2.5.3