[Intel-gfx] Zaphod mode support?

[Andrew Lutomirski]

On Wed, Oct 6, 2010 at 10:50 AM, Rasto Sramek <rsramek at inf.ethz.ch> wrote:
>> AFAICT Zaphod mode is one device but multiple X servers (presumably
>> used independently by different people).  I think very few drivers
>> support it these days.
> Well, whatever it is called, I am referring to the configuration when I
> have a single X server but multiple screens, like screen0 and screen1.
>
>> The modern approach is one "screen" divided among multiple monitors
>> using RandR.  I'm not sure what fglrx and nvidia do.
> Anything can of course use RandR, however at least nvidia drivers
> support multiple screens. Afaik intel used to support it as well.
> With nvidia one simply declares 2 monitors, and 2 screens.
>>
>> In any case, switching workspaces the way you want would be a feature
>> of the window manager or compositing manager, not the driver.  If you
>> use compiz + GNOME, try installing ccsm.  Then look in Desktop Wall /
>> Viewport Switching and change the "Multimonitor behavior" setting.
>> (If you're on Fedora and you enable compiz through desktop-effects,
>> you'll need to modify /usr/bin/compiz-gtk like this:
>
> I use fluxbox which needs screen0 and screen1. I know that awesome is
> aware of xrandr and can simulate separate screen behavior but I do not
> know of other WMs that can do so. The reason I prefer having
> multiple screens is that it is in my view a simple and correct behavior
> which has worked for years.
>

I think any modern WM should support xrandr.  Also, that way you can
drag windows from one screen to the other.

Or you could Google around for Xinerama -- that might help.

--Andy