Hey Stefan and Mathias, Has the status of this issue changed? I am trying to use NV_gpu_affinity and am running into problems on Windows 7 x64 and wondered if you all have been able to resolve anything.
Doug On Jul 14, 2010, at 7:07 AM, Mathias Heyer wrote: > Hi! > > In my experience, NV_gpu_affinity does not work correctly on WindowsXP > either. The last working version of the drivers are Forceware 186.x All > drivers above 190.x have a “broken” NV_gpu_affinity. So you might consider > back-dating your drivers ;-) > > quoting an Nvidia engineer: > > “Sadly this is a known limitation with the new r190+ drivers. The limitation > is that since r190, using GPU affinity on a window DC doesn’t work anymore. > The solution now is to use an off screen drawable for GPU1 and then use > NV_copy_image to transfer the image data from GPU1 to GPU0. I don’t believe > this is documented anywhere either. In fact, I didn’t even know about this > limitation until today.” > … > “wglMakeCurrent() should be failing when used with a window DC. If that’s not > happening, that’s a bug.” > > > With kind regards, > > Mathias > > > From: [email protected] > [mailto:[email protected]] On Behalf Of Stefan Eilemann > Sent: Tuesday, July 13, 2010 8:48 AM > To: [email protected] > Subject: Re: [eq-dev] 2 pipe setup, for eqHello > > On Mon, Jul 12, 2010 at 9:05 PM, jingquan [via Software] > <[hidden email]> wrote: > > I moved the window around my monitors nothing renders, and the other one > > that > > draws correctly renders on all monitors, with reduced FPS on the > > non-primary > > displays. > > From that I deduct that you're on Vista or Windows 7. The GPU affinity > extension does only work for FBO's on these platforms. We're working > with nVidia on resolving this issue. > > > HTH, > > Stefan. > -- _______________________________________________ eq-dev mailing list [email protected] http://www.equalizergraphics.com/cgi-bin/mailman/listinfo/eq-dev http://www.equalizergraphics.com
