Mirror/portal view should be rendered to separate texture so it can be reused and some effects can be applied (normal mapping, blur, etc).
Portal rendering can be used not only for true portals (like in Portal game), bu also to emulate blurry transparent glasses.
Mirror/portal view should be rendered to separate texture so it can be reused and some effects can be applied (normal mapping, blur, etc). Portal rendering can be used not only for true portals (like in Portal game), bu also to emulate blurry transparent glasses.