On Wed, 2003-09-10 at 17:55, Alan Hourihane wrote: > On Wed, Sep 10, 2003 at 05:41:23PM +0200, Michel Dänzer wrote: > > On Wed, 2003-09-10 at 17:09, Jim Gettys wrote: > > > > > > While the X server has had the XSync extension for a long time, > > > the operating system "hooks" to allow X to synchronize with > > > external events (e.g. vertical sync, sample clock of audio > > > streams, etc) have been absent in open source systems. XSync > > > was developed in the days of engineering workstations 10 years > > > ago, and was debugged with such kernel support. > > > > FWIW, the DRM has provided synchronization to the vertical refresh for a > > while. > > Indeed. But it's presented through the OpenGL interface, whereas using > XSync would allow non-OpenGL apps to use this extension and get that > facility.
No need for OpenGL, it's simply an ioctl for the DRM device. It wonly works when the DRI is enabled obviously. -- Earthling Michel Dänzer \ Debian (powerpc), XFree86 and DRI developer Software libre enthusiast \ http://svcs.affero.net/rm.php?r=daenzer _______________________________________________ Devel mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/devel
