1 files changed, 86 insertions, 0 deletions
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 448946c0334..dc1b902b8a7 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -1778,6 +1778,89 @@ struct gl_transform_feedback_state
 
 
 /**
+ * A "performance monitor" as described in AMD_performance_monitor.
+ */
+struct gl_perf_monitor_object
+{
+   GLboolean Active;
+
+   /**
+    * A list of groups with currently active counters.
+    *
+    * ActiveGroups[g] == n if there are n counters active from group 'g'.
+    */
+   unsigned *ActiveGroups;
+
+   /**
+    * An array of bitsets, subscripted by group ID, then indexed by counter ID.
+    *
+    * Checking whether counter 'c' in group 'g' is active can be done via:
+    *
+    *    BITSET_TEST(ActiveCounters[g], c)
+    */
+   GLuint **ActiveCounters;
+};
+
+
+union gl_perf_monitor_counter_value
+{
+   float f;
+   uint64_t u64;
+   uint32_t u32;
+};
+
+
+struct gl_perf_monitor_counter
+{
+   /** Human readable name for the counter. */
+   const char *Name;
+
+   /**
+    * Data type of the counter.  Valid values are FLOAT, UNSIGNED_INT,
+    * UNSIGNED_INT64_AMD, and PERCENTAGE_AMD.
+    */
+   GLenum Type;
+
+   /** Minimum counter value. */
+   union gl_perf_monitor_counter_value Minimum;
+
+   /** Maximum counter value. */
+   union gl_perf_monitor_counter_value Maximum;
+};
+
+
+struct gl_perf_monitor_group
+{
+   /** Human readable name for the group. */
+   const char *Name;
+
+   /**
+    * Maximum number of counters in this group which can be active at the
+    * same time.
+    */
+   GLuint MaxActiveCounters;
+
+   /** Array of counters within this group. */
+   const struct gl_perf_monitor_counter *Counters;
+   GLuint NumCounters;
+};
+
+
+/**
+ * Context state for AMD_performance_monitor.
+ */
+struct gl_perf_monitor_state
+{
+   /** Array of performance monitor groups (indexed by group ID) */
+   const struct gl_perf_monitor_group *Groups;
+   GLuint NumGroups;
+
+   /** The table of all performance monitors. */
+   struct _mesa_HashTable *Monitors;
+};
+
+
+/**
  * Names of the various vertex/fragment program register files, etc.
  *
  * NOTE: first four tokens must fit into 2 bits (see t_vb_arbprogram.c)
@@ -3176,6 +3259,7 @@ struct gl_extensions
    GLboolean EXT_vertex_array_bgra;
    GLboolean OES_standard_derivatives;
    /* vendor extensions */
+   GLboolean AMD_performance_monitor;
    GLboolean AMD_seamless_cubemap_per_texture;
    GLboolean AMD_vertex_shader_layer;
    GLboolean APPLE_object_purgeable;
@@ -3639,6 +3723,8 @@ struct gl_context
 
    struct gl_transform_feedback_state TransformFeedback;
 
+   struct gl_perf_monitor_state PerfMonitor;
+
    struct gl_buffer_object *CopyReadBuffer; /**< GL_ARB_copy_buffer */
    struct gl_buffer_object *CopyWriteBuffer; /**< GL_ARB_copy_buffer */