+static enum pipe_error
+malloc_buffer_validate(struct pb_buffer *buf,
+ struct pb_validate *vl,
+ unsigned flags)
+{
+ assert(0);
+ return PIPE_ERROR;
+}
+
+
+static void
+malloc_buffer_fence(struct pb_buffer *buf,
+ struct pipe_fence_handle *fence)
+{
+ assert(0);
+}
+
+