+ if (lpr->dt == NULL)
+ return FALSE;
+
+ {
+ void *map = winsys->displaytarget_map(winsys, lpr->dt,
+ PIPE_TRANSFER_WRITE);
+
+ if (map)
+ memset(map, 0, height * lpr->row_stride[0]);
+
+ winsys->displaytarget_unmap(winsys, lpr->dt);
+ }
+
+ return TRUE;