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Old 10 January 2018, 16:48   #24
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Join Date: Feb 2010
Location: Espoo / Finland
Posts: 522
Originally Posted by LaBodilsen View Post
Could this benefit from using double buffering on the Chunky buffer, so you don't have to wait for C2P and Buffer Clear, But instead do the wall drawing while the Blitter is working (preferably using a blitter interrupt), or is the chipmem bandwidth already saturated enough as it is, to not really make that much of a difference in performance?

Or do you want to use that "Blitter time" to do other stuff like raycasting?
I would at least use the time allowed by the the blitter clearing of the buffer for raycasting.

I also had a stab at chb's double pixel rendering, and the results are very promising. The best case didn't improve much (due to the extra blitter pass), but now the stream runs almost entirely in two frames, worst case being maybe 2.05-2.1 frames.
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