set priority between gtk redraw and clutter redraw */
DEBUG_0("%s tex upload high prio", get_exec_time());
rc->idle_update = g_idle_add_full(CLUTTER_PRIORITY_REDRAW - 10, rc_area_changed_cb, rc, NULL);
set priority between gtk redraw and clutter redraw */
DEBUG_0("%s tex upload high prio", get_exec_time());
rc->idle_update = g_idle_add_full(CLUTTER_PRIORITY_REDRAW - 10, rc_area_changed_cb, rc, NULL);