softpipe: make sure that invalid calls to sosettargets don't crash us

2010-06-08 16:18:38 -04:00
parent 8744c36ea4
commit 38b13459be
1 changed files with 7 additions and 0 deletions
@@ -96,6 +96,13 @@ softpipe_set_stream_output_buffers(struct pipe_context *pipe,
      void *mapped;
      struct softpipe_resource *res = softpipe_resource(buffers[i]);

+      if (!res) {
+         /* the whole call is invalid, bail out */
+         softpipe->so_target.num_buffers = 0;
+         draw_set_mapped_so_buffers(softpipe->draw, map_buffers, 0);
+         return;
+      }
+
      softpipe->so_target.buffer[i] = res;
      softpipe->so_target.offset[i] = offsets[i];
      softpipe->so_target.so_count[i] = 0;