🚀 go-pugleaf

Michael Harrison wrote:
> 
> I hope you'll pardon these two newbie questions, but since I'm new to
> OpenGL...
> 
> I am trying to add gamma correction to our opengl renderer and I
> haven't found a good way to do this.  For our software renderer I
> simply change the current palette but under OpenGL I'm running in
> 16bit color mode and don't actually have a palette.
> 
> I also need to add color alpha-blending (say, to make every specified
> rendered poly a little more red or green or whatever).  With a
> palette, it's simple.

Gamma correction is not an issue for OpenGL - it's a function of
your windowing system. The problem is that OpenGL only operates
in the domain of a single window - and Gamma correction must be
applied to the entire screen (with most existing hardware
implementations).


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