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Old 19 January 2018, 09:22   #57
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Join Date: Feb 2010
Location: Espoo / Finland
Posts: 473
Originally Posted by LaBodilsen View Post
But i'm not particular fond of the mipmap artifacts, as it really degrades the visual quality.
I agree that the visual quality is degraded, but would it really matter during gameplay?

Would it make much of a performance difference if the mipmaping was done differently. Instead of upscaling the smaller levels, then down scale to the next mipmap level, and then compensate the performance loss by using longwords where possible.
It would add 4 cycles to every pixel drawn with downscaling instead of upscaling, so the best case scenarios (when the walls are smaller and have less pixels to draw) would take a hit, but the worst case (when drawing full height strips) would remain the same. Mipmapping could also be added as an option in a game, so the player could choose between slightly better framerate or more precision.
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