Hi all, First of all, here are the setups I currently use : - 1x GeForce 8600 GTS with 2 monitors - 2x GeForce 8900 GT with 2 monitors (one on each card) The whole installed with Windows XP, the latest OSG version and the latest NVidia drivers.
My application use the two screens (a part of the scene is shared by each screen), and I am facing some crashes on the rendering part. Currently if the two rendering threads (I am in DrawThreadPerContext mode) try to compile a display list at the same time, or try to upload a texture to the graphic card, it fails. To avoid it, I need to put mutexes to protect from doing such operations at the same time (it fails with the 2 setups I use). If I use the DrawThreadPerContext mode with only one monitor (but still 2 windows with different contexts), it works without problems. Anyone has already seen such a problem ? Or anyone has some success with multi-monitor on WinXP and NVidia cards ? -- Serge Lages http://www.tharsis-software.com
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