Re: [osg-users] Rendering on two GPUs under linux

2009-11-21 Thread Jan Ciger
Hi Roman, "Roman Grigoriev" wrote: > Hi, > Thank you guys for your replies. You see, I have to setup 3 screens - one > master screen with menues and two stereo screens for HMD (800*600) w/o > menues. So SLI is not an option for me. Also I find some troubles using > QT+osg on 3 screens under KD

Re: [osg-users] Rendering on two GPUs under linux

2009-11-20 Thread Roman Grigoriev
Hi, Thank you guys for your replies. You see, I have to setup 3 screens - one master screen with menues and two stereo screens for HMD (800*600) w/o menues. So SLI is not an option for me. Also I find some troubles using QT+osg on 3 screens under KDE. When I use only osg w/o QT all works fine ac

Re: [osg-users] Rendering on two GPUs under linux

2009-11-20 Thread Nico Kruithof
Hi, We did some tests with SLI as well, GeForce 285. We had a single screen and a way to expensive shader on a single quad. Just to be sure the CPU wasn't the bottleneck. Worked like a charm. Frame rate doubled when we enabled SLI under windows. We had to set the settings to alternate frame as the

Re: [osg-users] Rendering on two GPUs under linux

2009-11-20 Thread Jan Ciger
"Roman Grigoriev" wrote: > Hi,Robert > Thanx for you reply. But you see I'm sure that under windows it's not > possible to render on two Geforce cards and nvidia guys told me that I > need to buy Quadro. My app works fine and do some render but only one GPU > calculate graphics. And in SLI mod

Re: [osg-users] Rendering on two GPUs under linux

2009-11-20 Thread Roman Grigoriev
Hi,Robert Thanx for you reply. But you see I'm sure that under windows it's not possible to render on two Geforce cards and nvidia guys told me that I need to buy Quadro. My app works fine and do some render but only one GPU calculate graphics. And in SLI mode you have only one virtual GPU visi

Re: [osg-users] Rendering on two GPUs under linux

2009-11-20 Thread Robert Osfield
Hi Roman, The osgViewer supports two side by side graphics windows/cards by default. Just run osgviewer cow.osg and it should come up across both displays without any changes from yourself. osgViewer is designed to work seamlessly across multiple displays/graphics cards and will do everything au

[osg-users] Rendering on two GPUs under linux

2009-11-20 Thread Roman Grigoriev
Good day! I have stereo HMD with two DVI inputs and want to render left eye on GPU1 and right eye on GPU2 under linux, because on windows on geforce gtx285 cards it's not possible. Only Quadro is capable of making this due to WGL_NV_GPU_AFFINITY extension Could you please advise me how can I ma