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Sync to VBlankSync to VBlankPosted Apr 10, 2008 14:23 UTC (Thu) by dlarrick (subscriber, #5532)In reply to: Need good FLOSS drivers for 3D cards (NVIDIA, ATI) by drag Parent article: A Linux Driver Project status report
There are actually two mechanisms to sync to VBlank under XOrg. OpenGL has the GLX_SGI_video_sync extension, and DRM has DRM_IOCTL_WAIT_VBLANK . One or both of these works on most modern hardware. Both of these are useable for video output -- MythTV, for example, will select whichever is available.
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