You still don't understand what a dynamic portal is, what it does, or why it's distinctly more useful than compile-time portals. You are still stuck repeating

You still don't understand what a dynamic portal is, what it does, or why it's distinctly more useful than compile-time portals. You are still stuck repeating "renderer", even though rendering is still not the topic of discussion here. No amount of recursive matrix transformations will net you the gameplay design space of actual dynamic portals.