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

[Graeme Gill]

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.

Graeme Gill.