[DustyPorViva]

DrawingPanels are indeed a buffer so no you don't need to clear it before drawing more. Also even if Graal ran at 60fps I doubt you'd be able to achieve that with custom render engines like this... so even 60fps Graal running this would at most probably achieve 20fps.

Have you experimented with many output methods? I first tried mode7 rendering with a drawingpanel and even very small resolutions had pretty poor performance. If you haven't tried, rendering with showimgs might give better performance. However admittedly I wasn't running a render per every horizontal line(assuming that's your method). However you might be able to get away with rendering much less if you do some math with showpoly's(since you can apply textures to them).