llvmpipe: Fix fence wait.

Avoids crashing when fence is NULL (LP_NUM_THREADS=0) and leaking when it is not.
2010-05-06 21:33:01 +01:00
parent c37d8259bb
commit 680071502f
1 changed files with 4 additions and 1 deletions
@@ -106,7 +106,10 @@ llvmpipe_begin_query(struct pipe_context *pipe, struct pipe_query *q)
   if (pq->binned) {
      struct pipe_fence_handle *fence;
      pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, &fence);
-      pipe->screen->fence_finish(pipe->screen, fence, 0);
+      if (fence) {
+         pipe->screen->fence_finish(pipe->screen, fence, 0);
+         pipe->screen->fence_reference(pipe->screen, &fence, NULL);
+      }
   }

   lp_setup_begin_query(llvmpipe->setup, pq);