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af6d52eec6
The current logic uses 12-bit linear light math, which is woefully insufficient and leads to nasty postarization artifacts. This patch simply switches the internal logic to 16-bit precision. This raises the memory requirement of these tables from 32 kB to 272 kB. All relevant FATE tests updated for improved accuracy. Fixes: #4829 Signed-off-by: Niklas Haas <git@haasn.dev> Sponsored-by: Sovereign Tech Fund