|07-28-03, 09:58 PM||#1|
Join Date: Jul 2003
Dual monitor with stereo?
I'm a VR researcher/developer. Our particular "Wedge" system uses two walls in active stereo, so we need a 3D graphics system which can do two screens both with hardware accelerated OpenGL and quad buffered stereo. Right now it runs off either an SGI Onyx or a PC with a Wildcat graphics card.
The nVidia Quadro4s are advertised as handling two screens and with quad buffered stereo, standard emitter. So I convinced my boss to buy a Quadro4 750 to try out.
The README for the latest nVidia driver says that stereo over TwinView requires both monitors to have identical multimode timing rates. After futzing around with the XF86Config-4 file I eventually got that going, only to see in the log file:
> Onboard stereo requested (DIN connector)
> NVIDIA(0): Stereo is not available in TwinView
If I disconnect the second monitor, stereo does work.
According to the README, if I disable TwinView, hardware accelerated rendering is only possible on the first screen.
Neither of these is any use whatsoever.
So, have I just forgotten something in the configuration? Would trading up to a different model card work? Or do I paint "SUCKER" across my forehead and buy a Wildcat?
Dept Computer Science
Australian National University
|07-29-03, 12:50 PM||#2|
Join Date: Oct 2002
Location: silicon valley
I used to drive a Heisenberg, but whenever I'd glance at the speedometer, I'd get lost.
Last edited by ricercar; 07-29-03 at 12:53 PM.
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