[vtkusers] VTK on two graphics cards?

David Gobbi david.gobbi at gmail.com
Thu Nov 18 13:36:33 EST 2010


For NVidia cards, all you have to do is set up TwinView in a
side-by-side configuration.  Use nvidia-settings to do this (you can
run it from the command-line or select it from the menu).

For other cards, you might be out of luck.  You can use Xinerama to
make your linux desktop span both monitors, but hardware OpenGL
acceleration might not work in this configuration.  You might have to
use non-accelerated OpenGL instead, and the way this is done will vary
from system to system (on Ubuntu 10.04 the non-accelerated OpenGL is
kept in /usr/lib/mesa).

  David

On Thu, Nov 18, 2010 at 10:25 AM, Samson Timoner <Samson at bwh.harvard.edu> wrote:
> I'm wondering what VTK's support is for a two graphics card setup. I have a
> two graphics card system on linux, each with one monitor.
>
> Can I open a single VTK OpenGL render window across both monitors?
>
> Thanks,
>
>  -- Samson
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