HDR support in Wayland/Weston

Graeme Gill graeme2 at argyllcms.com
Thu Mar 7 20:39:43 UTC 2019

Michel Dänzer wrote:

> As of xserver 1.19, if the Xorg driver calls xf86HandleColormaps(), all
> relevant mappings (colormap, global gamma, xf86VidMode per-X-screen
> ramp, RandR per-CRTC ramp) are composed, and the result is applied to
> the hardware LUT for all CRTCs.

It's disappointing a change with such serious implications for
X11 color management was made without any consultation or even
notification to those that would be affected.

What order are all these things composed ?

	Graeme Gill.

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