Hi, Exactly as Farshid Said I have modified PreparePixelFormatSpecification function in GraphicsWindowWin32.cpp to test the workaround. Interestingly PreparePixelFormatSpecification has a input allowSwapExchangeARB parameter as if someone had similar problem before. But this parameter is used when function is called but not influenced directly by GraphicContext::Traits. In my opinion the best option would be expose Swap method in the GraphicContext::Traits.
I may try to come up with a patch on monday. Anyone to beat me on this ;-) ? Wojtek From: Farshid Lashkari Sent: Friday, September 24, 2010 6:40 PM To: OpenSceneGraph Users Subject: Re: [osg-users] Workaround for nVidia + fullscreen + Windows 7 Hi Robert, On Fri, Sep 24, 2010 at 9:28 AM, Robert Osfield <robert.osfi...@gmail.com> wrote: Did you modify the OSG to achieve this? If so could you post the changes. Perhaps this could be made as an runtime option in osgViewer. My application handles all the windowing code itself, so I didn't need to make any changes to OSG. I noticed that GraphicsWindowWin32.cpp hard codes the swap method to WGL_SWAP_EXCHANGE_ARB. To apply this workaround the users would just need to change this to WGL_SWAP_COPY_ARB and recompile. Having this configurable would be ideal, however I'm not very familiar with osgViewer, so I'm probably not the best person to make this change, otherwise I would have already submitted a patch ;) Cheers, Farshid -------------------------------------------------------------------------------- _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
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