wined3d: Add support for GL_ARB_timer_query extension.

dlls/wined3d/directx.c

@@ -139,6 +139,7 @@ static const struct wined3d_extension_map gl_extension_map[] =
     {"GL_ARB_texture_non_power_of_two",     ARB_TEXTURE_NON_POWER_OF_TWO  },
     {"GL_ARB_texture_rectangle",            ARB_TEXTURE_RECTANGLE         },
     {"GL_ARB_texture_rg",                   ARB_TEXTURE_RG                },
+    {"GL_ARB_timer_query",                  ARB_TIMER_QUERY               },
     {"GL_ARB_vertex_array_bgra",            ARB_VERTEX_ARRAY_BGRA         },
     {"GL_ARB_vertex_blend",                 ARB_VERTEX_BLEND              },
     {"GL_ARB_vertex_buffer_object",         ARB_VERTEX_BUFFER_OBJECT      },
@@ -2968,6 +2969,15 @@ static BOOL wined3d_adapter_init_gl_caps(struct wined3d_adapter *adapter)
         if (!counter_bits)
             gl_info->supported[ARB_OCCLUSION_QUERY] = FALSE;
     }
+    if (gl_info->supported[ARB_TIMER_QUERY])
+    {
+        GLint counter_bits;
+
+        GL_EXTCALL(glGetQueryivARB(GL_TIMESTAMP, GL_QUERY_COUNTER_BITS_ARB, &counter_bits));
+        TRACE("Timestamp query counter has %d bits.\n", counter_bits);
+        if (!counter_bits)
+            gl_info->supported[ARB_TIMER_QUERY] = FALSE;
+    }
     if (!gl_info->supported[ATI_TEXTURE_MIRROR_ONCE] && gl_info->supported[EXT_TEXTURE_MIRROR_CLAMP])
     {
         TRACE(" IMPLIED: ATI_texture_mirror_once support (by EXT_texture_mirror_clamp).\n");

dlls/wined3d/wined3d_gl.h

@@ -89,6 +89,7 @@ enum wined3d_gl_extension
     ARB_TEXTURE_NON_POWER_OF_TWO,
     ARB_TEXTURE_RECTANGLE,
     ARB_TEXTURE_RG,
+    ARB_TIMER_QUERY,
     ARB_VERTEX_ARRAY_BGRA,
     ARB_VERTEX_BLEND,
     ARB_VERTEX_BUFFER_OBJECT,
@@ -321,6 +322,9 @@ enum wined3d_gl_extension
     USE_GL_FUNC(glCompressedTexSubImage2DARB) \
     USE_GL_FUNC(glCompressedTexSubImage3DARB) \
     USE_GL_FUNC(glGetCompressedTexImageARB) \
+    /* GL_ARB_timer_query */ \
+    USE_GL_FUNC(glQueryCounter) \
+    USE_GL_FUNC(glGetQueryObjectui64v) \
     /* GL_ARB_vertex_blend */ \
     USE_GL_FUNC(glVertexBlendARB) \
     USE_GL_FUNC(glWeightPointerARB) \