[SDL] alpha and gamma
slouken at devolution.com
Tue Jan 25 09:37:03 PST 2005
> The SDL function for adjusting gamma is rather useless
> for fixing this, for two reasons:
> 1. it doesn't work with all video drivers
> 2. for good looks, gamma==1.0 needs at least 10 bits/channel
SDL just plugs into the underlying video API for gamma settings.
> Gamma adjustment using a 12-bit lookup table seems to
> go pretty fast, even when using floating point for the
> linear data.
> So... how about having SDL handle this stuff better?
Do you have a proposed patch?
-Sam Lantinga, Software Engineer, Blizzard Entertainment
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