On Thu, 20 Aug 2009 09:41:28 +0000 (GMT) Nicolas Cadio <[email protected]> wrote:
> Hello, > > I have an application which must to synchronize with the vertical > synchronisation of my display. To do this synchronization, I use a > function of GLX (glXWaitVideoSyncSGI). > > This function call the function DRM to wait the vertical > synchronization (drmWaitVBlank) and the driver (drm.ko) does a wait > on the pipe A of my Xserver. > > But my output (LVDS) of my Xserver is connected to the pipe B and so > the driver (drm.ko) does a wake up on the pipe B. > > So my applicaton is not synchronized with my display. > > I would like to know how to configure my application for it uses the > pipe B when it does a wait for the vertical synchronization. Where I > can configure my application for it uses the pipe B for the VSync ? > Is it in the xorg.conf or elsewhere? With DRI2 we don't currently have a way to do this, but we're working on adding one (along with some other sync -- Jesse Barnes, Intel Open Source Technology Center _______________________________________________ xorg mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/xorg
