[Openicc] ICC Profiles In X Specification

[Hal V. Engel]

On Sunday 07 October 2007 10:56:38 Kai-Uwe Behrmann wrote:
> Am 07.10.07, 19:11 +0200 schrieb Sven Neumann:
> > On Sun, 2007-10-07 at 18:57 +0200, Kai-Uwe Behrmann wrote:
> > > > On Sun, 2007-10-07 at 15:58 +0200, Kai-Uwe Behrmann wrote:
> > > > > 3 dual head configurations are possible:
> > > > > o two screens
> > > > > o one screen with Xinerama
> > > > > o one screen without Xinerama
> >
> > As explained in
> > http://en.wikipedia.org/wiki/Xinerama#Dual_display_X_without_Xinerama
> > running a dual-head X server without Xinerama means using multiple
> > screens. The third configuration you listed above simply does not exist.
> > If you disable Xinerama, then you get one screen per physical device.
>
> The wiki you mentioned is wrong or outdated.
>
> Look for example at Twinview:
> http://wiki.linuxquestions.org/wiki/Using_multiple_monitors_with_XFree86
>
>
> kind regards
> Kai-Uwe Behrmann

Also randr 1.2 makes Xinerama obsolete and drivers that use randr 1.2 and 
later are a different from 1.2 setups in some ways but I don;t think they are 
any different in the context we are discussing.  randr 1.2 is more like 
Twinview than Xinerama in that you can change your display resolution on the 
fly.  But unlike Twinview with randr 1.2 complyent drivers you can apply 
calibration to the video card gamma tables of the individual displays.

In addition, Twinview is propritory to Nvidia and it appears that Nvidia will 
be making Twinview fully randr 1.2 compatible at some point. 

Hal