void ED_view3d_quadview_update(struct ScrArea *sa, struct ARegion *ar, short do_clip);
int ED_view3d_lock(struct RegionView3D *rv3d);
+unsigned int ED_view3d_datamask(struct Scene *scene, struct View3D *v3d);
unsigned int ED_viewedit_datamask(struct bScreen *screen);
#endif /* ED_VIEW3D_H */