VUF_DISPLAY
if ((views[i].flags & VUF_DISPLAY) &&
views[i].flags &= ~VUF_DISPLAY;
vu->flags |= VUF_DISPLAY;
if (vu->flags & VUF_DISPLAY) {
vu->flags &= ~VUF_DISPLAY;
if (vu->flags & VUF_DISPLAY) {
vu->flags &= ~(VUF_ADDED|VUF_DISPLAY);
if (views[i].flags & VUF_DISPLAY) {
views[i].flags &= ~VUF_DISPLAY;
vu->flags |= VUF_DISPLAY;
if (vu->flags & VUF_DISPLAY) {
vu->flags &= ~VUF_DISPLAY;
if (vu->flags & VUF_DISPLAY) {
vu->flags &= ~(VUF_ADDED|VUF_DISPLAY);