That technique requires the Pro version though (render to texture). My idea for that was, to create an additional view with a layer of -1 (visible, but hidden under the default view), using view_create(). Then you could create a panel or a scren entity, or whatever on that view. Then set the view.bmap = bmap_for_entity(my, 2);. where the is, will be the skin of the entity to render to...