gallium: EXT_timer_query support.

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

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:

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:

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:

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:

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:

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:

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:

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);
+   struct softpipe_query* sq;
-   return (struct pipe_query *)CALLOC_STRUCT( softpipe_query );
+
+   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);
    
+   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--;
+   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;
 }
 

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:

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;
 

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,

src/mesa/state_tracker/st_cb_queryobj.c

@@ -94,6 +94,9 @@ st_BeginQuery(GLcontext *ctx, struct gl_query_object *q)
    case GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN:
       type = PIPE_QUERY_PRIMITIVES_EMITTED;
       break;
+   case GL_TIME_ELAPSED_EXT:
+      type = PIPE_QUERY_TIME_ELAPSED;
+      break;
    default:
       assert(0 && "unexpected query target in st_BeginQuery()");
       return;

src/mesa/state_tracker/st_extensions.c

@@ -296,6 +296,9 @@ void st_init_extensions(struct st_context *st)
    if (screen->get_param(screen, PIPE_CAP_OCCLUSION_QUERY)) {
       ctx->Extensions.ARB_occlusion_query = GL_TRUE;
    }
+   if (screen->get_param(screen, PIPE_CAP_TIMER_QUERY)) {
+     ctx->Extensions.EXT_timer_query = GL_TRUE;
+   }
 
    if (screen->get_param(screen, PIPE_CAP_TEXTURE_SHADOW_MAP)) {
       ctx->Extensions.ARB_depth_texture = GL_TRUE;