[Open-graphics] Color correction

[Steve Baker]

Marcel Moreaux wrote:

> Would this be a single LUT for R, G, and B combined, or three LUTs, one
> for R, G, and B each?

You can get away with a single LUT for most kinds of displays.

> I'm not sure if three separate LUTs is required for decent color
> correction, or even useful.

There are esoteric displays for which it's useful...but if things
are tight you could dump it.

If we're using an off-the-shelf RAM-DAC chip then this stuff comes as
standard.

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