[RFC wayland-protocols] Add the color-management protocol

[Carsten Haitzler (The Rasterman)]

On Tue, 20 Dec 2016 18:25:40 +1100 Graeme Gill <graeme2 at argyllcms.com> said:

> Carsten Haitzler (The Rasterman) wrote:
> 
> > what if the display can do different color profiles for different regions?
> > my example is yuv colorspace. 601 vs 709 etc. actually can be assigned per
> > hw plane... they are different colorspaces ... :)
> 
> It isn't a different color space though, just a different color encoding,
> since the primaries haven't changed.
> 
> Analogous examples: XYZ and Yxy space. XYZ and L*a*b* space. RGB and LCH.

it's a different mapping of byte1, byte2, byte3 within a pixel to different r,g
and b points in the visible spectrum. :)

-- 
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The Rasterman (Carsten Haitzler)    raster at rasterman.com