Optimize double alpha blending for 1/0 textures #6072
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If the blend is 2*a / 1-a, and the alpha is either 1 or 0, we can still use color doubling instead. Fixes hrydgard#3379 (Persona 2.)
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Just for the record, this one was at least partly my idea ;) |
hrydgard
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May 11, 2014
Optimize double alpha blending for 1/0 textures
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Or more like entirely. (although, I did make it collect "simple alpha" with the hopes we could use it for something like this... finally paid off.) -[Unknown] |
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If the blend is 2*a / 1-a, and the alpha is either 1 or 0, we can still use color doubling instead. Fixes #3379 (Persona 2.)
Without the performance hit of #6070.
-[Unknown]