static void update(bNodeTree *ntree)
{
	ntree_update_reroute_nodes(ntree);
	
	if (ntree->update & NTREE_UPDATE_NODES) {
		/* clean up preview cache, in case nodes have been removed */
		BKE_node_preview_remove_unused(ntree);
	}
}
static void update(bNodeTree *ntree)
{
	ntreeSetOutput(ntree);
	
	ntree_update_reroute_nodes(ntree);
}