gallium: EXT_timer_query support.

Signed-off-by: Corbin Simpson <MostAwesomeDude@gmail.com>

11 files changed, 51 insertions, 5 deletions

diff --git a/src/gallium/drivers/cell/ppu/cell_screen.c b/src/gallium/drivers/cell/ppu/cell_screen.c
index 5af4eaa88b..750f0aa98a 100644
--- a/src/gallium/drivers/cell/ppu/cell_screen.c
+++ b/src/gallium/drivers/cell/ppu/cell_screen.c
@@ -76,6 +76,8 @@ cell_get_param(struct pipe_screen *screen, enum pipe_cap param)
       return 1;
    case PIPE_CAP_OCCLUSION_QUERY:
       return 1;
+   case PIPE_CAP_TIMER_QUERY:
+      return 0;
    case PIPE_CAP_TEXTURE_SHADOW_MAP:
       return 10;
    case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
diff --git a/src/gallium/drivers/i915/i915_screen.c b/src/gallium/drivers/i915/i915_screen.c
index d196c779e4..7cf627d975 100644
--- a/src/gallium/drivers/i915/i915_screen.c
+++ b/src/gallium/drivers/i915/i915_screen.c
@@ -113,6 +113,8 @@ i915_get_param(struct pipe_screen *screen, enum pipe_cap param)
       return 1;
    case PIPE_CAP_OCCLUSION_QUERY:
       return 0;
+   case PIPE_CAP_TIMER_QUERY:
+      return 0;
    case PIPE_CAP_TEXTURE_SHADOW_MAP:
       return 1;
    case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
diff --git a/src/gallium/drivers/i965/brw_screen.c b/src/gallium/drivers/i965/brw_screen.c
index d242691f2d..1890b640e9 100644
--- a/src/gallium/drivers/i965/brw_screen.c
+++ b/src/gallium/drivers/i965/brw_screen.c
@@ -172,6 +172,8 @@ brw_get_param(struct pipe_screen *screen, enum pipe_cap param)
       return 1;
    case PIPE_CAP_OCCLUSION_QUERY:
       return 0;
+   case PIPE_CAP_TIMER_QUERY:
+      return 0;
    case PIPE_CAP_TEXTURE_SHADOW_MAP:
       return 1;
    case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index 6ab0970998..22fbf381ae 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -105,6 +105,8 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
       return PIPE_MAX_COLOR_BUFS;
    case PIPE_CAP_OCCLUSION_QUERY:
       return 1;
+   case PIPE_CAP_TIMER_QUERY:
+      return 0;
    case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
       return 1;
    case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
diff --git a/src/gallium/drivers/nv50/nv50_screen.c b/src/gallium/drivers/nv50/nv50_screen.c
index ff3a7b2843..a0eed8c2e2 100644
--- a/src/gallium/drivers/nv50/nv50_screen.c
+++ b/src/gallium/drivers/nv50/nv50_screen.c
@@ -125,6 +125,8 @@ nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 		return 8;
 	case PIPE_CAP_OCCLUSION_QUERY:
 		return 1;
+        case PIPE_CAP_TIMER_QUERY:
+		return 0;
 	case PIPE_CAP_TEXTURE_SHADOW_MAP:
 		return 1;
 	case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
diff --git a/src/gallium/drivers/nvfx/nvfx_screen.c b/src/gallium/drivers/nvfx/nvfx_screen.c
index 6b01d868e2..a44f9e94d7 100644
--- a/src/gallium/drivers/nvfx/nvfx_screen.c
+++ b/src/gallium/drivers/nvfx/nvfx_screen.c
@@ -52,6 +52,8 @@ nvfx_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 		return screen->is_nv4x ? 4 : 2;
 	case PIPE_CAP_OCCLUSION_QUERY:
 		return 1;
+        case PIPE_CAP_TIMER_QUERY:
+		return 0;
 	case PIPE_CAP_TEXTURE_SHADOW_MAP:
 		return 1;
 	case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
index 8399f5df8e..640b3d3468 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -115,6 +115,7 @@ static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
             return 1;
 
         /* Unsupported features (boolean caps). */
+        case PIPE_CAP_TIMER_QUERY:
         case PIPE_CAP_DUAL_SOURCE_BLEND:
         case PIPE_CAP_TGSI_CONT_SUPPORTED:
         case PIPE_CAP_INDEP_BLEND_ENABLE:
diff --git a/src/gallium/drivers/softpipe/sp_query.c b/src/gallium/drivers/softpipe/sp_query.c
index 4ef5d9f7b1..b959af63af 100644
--- a/src/gallium/drivers/softpipe/sp_query.c
+++ b/src/gallium/drivers/softpipe/sp_query.c
@@ -30,6 +30,7 @@
  */
 
 #include "draw/draw_context.h"
+#include "os/os_time.h"
 #include "pipe/p_defines.h"
 #include "util/u_memory.h"
 #include "sp_context.h"
@@ -37,6 +38,7 @@
 #include "sp_state.h"
 
 struct softpipe_query {
+   unsigned type;
    uint64_t start;
    uint64_t end;
 };
@@ -51,8 +53,13 @@ static struct pipe_query *
 softpipe_create_query(struct pipe_context *pipe, 
 		      unsigned type)
 {
-   assert(type == PIPE_QUERY_OCCLUSION_COUNTER);
-   return (struct pipe_query *)CALLOC_STRUCT( softpipe_query );
+   struct softpipe_query* sq;
+
+   assert(type == PIPE_QUERY_OCCLUSION_COUNTER || type == PIPE_QUERY_TIME_ELAPSED);
+   sq = CALLOC_STRUCT( softpipe_query );
+   sq->type = type;
+
+   return (struct pipe_query *)sq;
 }
 
 
@@ -69,7 +76,17 @@ softpipe_begin_query(struct pipe_context *pipe, struct pipe_query *q)
    struct softpipe_context *softpipe = softpipe_context( pipe );
    struct softpipe_query *sq = softpipe_query(q);
    
-   sq->start = softpipe->occlusion_count;
+   switch (sq->type) {
+   case PIPE_QUERY_OCCLUSION_COUNTER:
+      sq->start = softpipe->occlusion_count;
+      break;
+   case PIPE_QUERY_TIME_ELAPSED:
+      sq->start = 1000*os_time_get();
+      break;
+   default:
+      assert(0);
+      break;
+   }
    softpipe->active_query_count++;
    softpipe->dirty |= SP_NEW_QUERY;
 }
@@ -82,7 +99,17 @@ softpipe_end_query(struct pipe_context *pipe, struct pipe_query *q)
    struct softpipe_query *sq = softpipe_query(q);
 
    softpipe->active_query_count--;
-   sq->end = softpipe->occlusion_count;
+   switch (sq->type) {
+   case PIPE_QUERY_OCCLUSION_COUNTER:
+      sq->end = softpipe->occlusion_count;
+      break;
+   case PIPE_QUERY_TIME_ELAPSED:
+      sq->end = 1000*os_time_get();
+      break;
+   default:
+      assert(0);
+      break;
+   }
    softpipe->dirty |= SP_NEW_QUERY;
 }
 
diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c
index f874c3e60c..8c33efa198 100644
--- a/src/gallium/drivers/softpipe/sp_screen.c
+++ b/src/gallium/drivers/softpipe/sp_screen.c
@@ -82,6 +82,8 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
       return PIPE_MAX_COLOR_BUFS;
    case PIPE_CAP_OCCLUSION_QUERY:
       return 1;
+   case PIPE_CAP_TIMER_QUERY:
+      return 1;
    case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
       return 1;
    case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
diff --git a/src/gallium/drivers/svga/svga_screen.c b/src/gallium/drivers/svga/svga_screen.c
index 2c3c3f5220..bef22f41ae 100644
--- a/src/gallium/drivers/svga/svga_screen.c
+++ b/src/gallium/drivers/svga/svga_screen.c
@@ -134,6 +134,8 @@ svga_get_paramf(struct pipe_screen *screen, enum pipe_cap param)
       return MIN2(result.u, PIPE_MAX_COLOR_BUFS);
    case PIPE_CAP_OCCLUSION_QUERY:
       return 1;
+   case PIPE_CAP_TIMER_QUERY:
+      return 0;
    case PIPE_CAP_TEXTURE_SHADOW_MAP:
       return 1;
 
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index 2d363dd47b..29c55ff094 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -379,7 +379,8 @@ enum pipe_transfer_usage {
 #define PIPE_QUERY_OCCLUSION_COUNTER     0
 #define PIPE_QUERY_PRIMITIVES_GENERATED  1
 #define PIPE_QUERY_PRIMITIVES_EMITTED    2
-#define PIPE_QUERY_TYPES                 3
+#define PIPE_QUERY_TIME_ELAPSED          3
+#define PIPE_QUERY_TYPES                 4
 
 
 /**
@@ -423,6 +424,7 @@ enum pipe_cap {
    PIPE_CAP_POINT_SPRITE,
    PIPE_CAP_MAX_RENDER_TARGETS,
    PIPE_CAP_OCCLUSION_QUERY,
+   PIPE_CAP_TIMER_QUERY,
    PIPE_CAP_TEXTURE_SHADOW_MAP,
    PIPE_CAP_MAX_TEXTURE_2D_LEVELS,
    PIPE_CAP_MAX_TEXTURE_3D_LEVELS,