[RFC wayland-protocols] Color management protocol

[Graeme Gill]

Pekka Paalanen wrote:

> I also forgot to mention that surfaces with the cms_calibration_surface
> role, when actually presented, would also guarantee that nothing else
> will be shown on that specific output, screen saving will not activate,
> etc. anything that might hamper calibration will not happen.

That's all good - but aren't these the sorts of controls
that other applications need too ?
Slide show or Video player apps need to prevent screensaving,
modal dialogs need to be able to pop to the top of
the window stack etc.

Graeme Gill.