Implement query object interface.

This replaces the temporary occlusion counter functions we had before.
Added new ctx->Driver.WaitQuery() function which should block until the result is ready.
Sketch out some code for vertex transformation feedback counters.

1 files changed, 5 insertions, 4 deletions

diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 0a64e0c58c..514170dbcf 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -2085,10 +2085,11 @@ struct gl_ati_fragment_shader_state
  */
 struct gl_query_object
 {
-   GLuint Id;
-   GLuint64EXT Result; /* the counter */
-   GLboolean Active;   /* inside Begin/EndQuery */
-   GLboolean Ready;    /* result is ready */
+   GLenum Target;      /**< The query target, when active */
+   GLuint Id;          /**< hash table ID/name */
+   GLuint64EXT Result; /**< the counter */
+   GLboolean Active;   /**< inside Begin/EndQuery */
+   GLboolean Ready;    /**< result is ready? */
 };