Hi Thanks for the tips, always helpful.
Reporting back: I changed OS from 10.8 to 10.6. installed Quartz 4.0 and the GPU is performing ok now. All 5 monitors work as they should. I have 2x5770 ati Radeon GPU and 2 x DVI, 2 x Mini DisplayPort to DVI (dual kink) 1x mini Display Port to VGA.(for desktop) The issue I am facing now is that i can´t set the full screen window to cover all the monitors at once. If I stretch the viewer window in all 4 monitors it shows the image ok across al 4 monitors. When I click on full screen the viewer only goes into one monitor. I have 4 videos playing in parallel at 19-27 fps. I am planing to wrap the QC composition in an Xcode app with the QCFullScreen App from Kineme (always thankfull). My question: Is there a way to make (force) the window with the QC viewer go across the 4 monitors? The total resolution I am using in the 4 monitors is 3072x 1360 (3x 768 x1360). I found this app <http://www.msavisuals.com/msa-qt-player/> by Memo Akten but I can´t figure out the code so I can use it with Quartz Composer instead of Quick Time. I am still not good with cocoa..just copy an paste. THanks for the advice. I honestly would not have learned all this in Mexico with out the help of all the people who shares their knowledge. To you all I cheer. Sincerely Mario On Tue, Oct 2, 2012 at 4:21 AM, Achim Breidenbach <ac...@boinx.com> wrote: > Hello Mario, > > I think what you are seeing is normal behavior because you have two > graphic cards involved in your setup. > > The rendering can only happen in one GPU and usually if a second graphics > cards is involved the final window contented is (partly) moved from one > graphics card to the other. If the window moves over to the second graphics > card, the application is responsible for moving resources (like OpenGL > textures) to the other GPU in order to run on that GPU too. > > I am not sure about QuartzComposer, but it could be that QC only uses the > graphics card where the main menu bar is located and never let you change > that when running (also not moving window content partly to the other > graphics card) > > QC Visualizer is an app for running the same composition file on two > different computers synchronized via the network. I think this won't help > you too. I guess if you are authoring in QuartzComposer Editor you are > bound to two screens. As fare as I know for playback on more than two > screens, you have to have multiple computers running QC Visualizer. > > best, > > Achim Breidenbach > Boinx Software Ltd. > > > > > > This email sent to ac...@boinx.com > >
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