Mailinglist Archive: opensuse (4634 mails)

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Re: [opensuse] Dualhead and 3D
  • From: michael norman <michaeltnorman@xxxxxxxxx>
  • Date: Mon, 18 Dec 2006 12:13:22 +0000
  • Message-id: <200612181213.22474.michaeltnorman@xxxxxxxxx>
On Monday 18 December 2006 09:33, Will Stephenson wrote:
> On Sunday 17 December 2006 14:41, michael norman wrote:
> > I have openSUSE 10.2 running in dualhead mode with an NVIDIA GeForce 6800
> > card and the latest NVIIDIA proprietary drivers. All of which works
> > fine, except for 3D games.
> >
> > I also have a W2k partition which my son uses for his games. On W2k it
> > is possible to run a game in 3D on one screen. When we try to run 3D
> > games in SUSE using Cedega we cannot achieve the same. In other words
> > what we get is the game spread across the two screens.
> >
> > I have looked at the NVIDIA server settings GUI but I can't find a
> > setting there, nor in SAX.
> >
> > My question is, is what I want to do possible in Linux ?
>
> Yes but no. The situation is, you want a big virtual Xinerama screen for
> the desktop, but a single screen when playing games. You can do this with
> two separate Xorg.confs, but at present Xorg cannot be reconfigured while
> it is running, so you would have to start X by hand with the alternate
> config. I hear Xorg are working on adding dynamic configuration at the
> moment, though.
>
> Alternatively the game could detect that it is running under Xinerama and
> only draw to half of the virtual screen, but a Windows game running in
> Xinerama is never going to do this for you.
>
> > I'd be interested if anybody on the list has achieved what I want to do,
> > if so can you give me an example Xorg conf so I can modify mine ?
>
> This is clunky but it does what you want: Back up your xinerama xorg.conf,
> then reconfigure using sax, disable dual-head and get it set up as you like
> it for games, finally move the xorg.conf created by sax to xorg.conf.games
> and restore the xinerama xorg.conf. So when you want to start a games
> session, do startx -- -config /etc/X11/xorg.conf.games :1 and you have your
> games session running in its own X server on display :1 (ctrl-alt-f8).
>
> Me, I like bzflag and sauerbraten running across both screens :).
>
> HTH
>
> Will

Will

Thanks, pretty much confirms what I had suspected to be the case.

Mike
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