[Mesa-dev] [PATCH 6/7] gallium: implement what's left for TIMESTAMP query

[Marek Olšák]

---
 src/gallium/include/pipe/p_defines.h    |    3 ++-
 src/mesa/state_tracker/st_cb_queryobj.c |    5 +++++
 src/mesa/state_tracker/st_extensions.c  |    7 +++++++
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/gallium/include/pipe/p_defines.h 
b/src/gallium/include/pipe/p_defines.h
index 479b26e..8d787ec 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -485,7 +485,8 @@ enum pipe_cap {
    PIPE_CAP_USER_INDEX_BUFFERS = 69,
    PIPE_CAP_USER_CONSTANT_BUFFERS = 70,
    PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT = 71,
-   PIPE_CAP_START_INSTANCE = 72
+   PIPE_CAP_START_INSTANCE = 72,
+   PIPE_CAP_QUERY_TIMESTAMP = 73
 };
 
 /**
diff --git a/src/mesa/state_tracker/st_cb_queryobj.c 
b/src/mesa/state_tracker/st_cb_queryobj.c
index b6a236e..a2a3fd7 100644
--- a/src/mesa/state_tracker/st_cb_queryobj.c
+++ b/src/mesa/state_tracker/st_cb_queryobj.c
@@ -133,6 +133,11 @@ st_EndQuery(struct gl_context *ctx, struct gl_query_object 
*q)
 
    st_flush_bitmap_cache(st_context(ctx));
 
+   if (q->Target == GL_TIMESTAMP && !stq->pq) {
+      stq->pq = pipe->create_query(pipe, PIPE_QUERY_TIMESTAMP);
+      stq->type = PIPE_QUERY_TIMESTAMP;
+   }
+
    pipe->end_query(pipe, stq->pq);
 }
 
diff --git a/src/mesa/state_tracker/st_extensions.c 
b/src/mesa/state_tracker/st_extensions.c
index dacad9b..2e006e8 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -30,6 +30,7 @@
 #include "main/context.h"
 #include "main/macros.h"
 #include "main/mfeatures.h"
+#include "main/queryobj.h"
 #include "main/version.h"
 
 #include "pipe/p_context.h"
@@ -638,4 +639,10 @@ void st_init_extensions(struct st_context *st)
 
    if (ctx->Const.MaxDualSourceDrawBuffers > 0)
       ctx->Extensions.ARB_blend_func_extended = GL_TRUE;
+
+   if (screen->get_param(screen, PIPE_CAP_TIMER_QUERY) &&
+       screen->get_param(screen, PIPE_CAP_QUERY_TIMESTAMP)) {
+      ctx->Extensions.ARB_timer_query = GL_TRUE;
+      _mesa_init_cpu_gpu_timestamp_diff(ctx);
+   }
 }
-- 
1.7.9.5

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