[RFC wayland-protocols] Color management protocol

[Carsten Haitzler (The Rasterman)]

On Fri, 09 Dec 2016 14:06:46 +0100 Niels Ole Salscheider
<niels_ole at salscheider-online.de> said:

> Am Freitag, 9. Dezember 2016, 12:02:07 CET schrieb Carsten Haitzler:
> > On Thu, 8 Dec 2016 17:32:37 +1100 Graeme Gill <graeme2 at argyllcms.com> said:
> > > Carsten Haitzler (The Rasterman) wrote:
> > > > i'm curious... is the intent to make it requird that all compositors
> > > > support color management (and thus have to support all the possible
> > > > colorspaces> 
> > > > defined)... or are we going to go the path of:
> > > I'd be happy if there was support for core color management (i.e.
> > > application color management), before adding layers that depend on the
> > > core.
> > 
> > but is the intent that compositors MUST support color management and
> > applications will fail entirely or fail to display even partly correctly if
> > compositor doesnt support color management or doesnt support the color
> > profile/space requested by the client? or will it be expected that apps need
> > to always be able to convert to sRGB for compatibility and then have added
> > colorspace capabilities if it's supported? what is the intent?
> 
> We can't make support for this protocol mandatory because color correction 
> might be too much overhead for compositors for embedded devices.

well graeme disagrees and effectively thinks it should be. :)

> But I would say that every compositor that does some sort of color correction 
> should also implement the color management protocol.
> If the protocol is not supported by the compositor you would assume that you 
> have to output the colors in the device color space (or just ignore it if you 
> do not care about accurate colors).
> _______________________________________________
> wayland-devel mailing list
> wayland-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/wayland-devel


-- 
------------- Codito, ergo sum - "I code, therefore I am" --------------
The Rasterman (Carsten Haitzler)    raster at rasterman.com