Xgl and Xinerama

[Filip Nylund]

On 3/9/06, David Reveman <davidr at novell.com> wrote:
>
> On Tue, 2006-03-07 at 11:17 +0000, Colin Guthrie wrote:
> > Jürg Billeter wrote:
> > > It probably won't get to CVS. The plan is to let compiz handle
> multiple
> > > screens instead of one screen with Xinerama as compositing managers
> can
> > > do everything they want with these screens, according to David.
> >
> > OK I guess that makes sense. I guess the nVidia driver will need
> > updating to handle this (I believe there is a problem with GLX on
> > multiple screen mode vs. TwinView mode in that you can only use it on
> > the first screen).
>
> Xgl don't need this. In the Xglx case, Xorg can run in TwinView mode and
> Xgl can create multiple screens on this single TwinView screen.
>
> >
> > How does it handle the case where lots of applications are compiled with
> > Xinerama support and they suddenly can't do what they were designed to
> > do? I know the compositing mgr can do clever things with the multiple
> > screens in terms of layout and other gubbins, but surely the
> > functionality built into 100s of applications will then be lost?? Would
> > a psuedo Xinerama plugin be created to emulate what the apps expect but
> > on a multi-screen backend?
>
> I don't think there's that many apps that are xinerama aware. Except for
> the window manager, most apps will work just fine without the xinerama
> info available. Some xinerama compatibility thing could be created if
> necessary.
>
> -David


Any chance we'll see twinview/xinerama support in compiz anytime soon?

-Filip


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