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, 10 insertions, 0 deletions

diff --git a/src/mesa/pipe/p_state.h b/src/mesa/pipe/p_state.h
index ccd40d39e6..b994d17ea9 100644
--- a/src/mesa/pipe/p_state.h
+++ b/src/mesa/pipe/p_state.h
@@ -381,4 +381,14 @@ struct pipe_feedback_buffer {
 };
 
 
+/**
+ * Hardware queries (occlusion, transform feedback, timing, etc)
+ */
+struct pipe_query_object {
+   uint type:3;   /**< PIPE_QUERY_x */
+   uint ready:1;  /**< is result ready? */
+   uint64 count;
+};
+
+
 #endif