On Fri, May 04, 2012 at 07:56:08 +0200, tino.keitel+xorg at tikei.de wrote: > On Thu, May 03, 2012 at 16:32:47 -0400, Chun-Yu Shei wrote: > > On 05/03/2012 03:51 PM, tino.keitel+xorg at tikei.de wrote: > > >On Thu, May 03, 2012 at 21:46:37 +0200, Daniel Vetter wrote: > > >>On Thu, May 03, 2012 at 09:34:28PM +0200, Tino Keitel wrote: > > >>>On Thu, May 03, 2012 at 20:43:01 +0200, Daniel Vetter wrote: > > >>> > > >>>[...] > > >>> > > >>>>The only way to get tear-free screen updates on snb is with pageflips, > > >>>>which requires a opengl compositor > > >>> > > >>>Thanks. What do you mean with "opengl compositor"? Isn't the Gnome3 > > >>>desktop providing this? > > >> > > >>Well, it needs to do vsync'ed updates, and to work correctly, the client > > > > > >Is this in the dri config file? > > > > I've had tear-free video (finally!) in GNOME 3 for a while now, > > using the following in my ~/.xsession (and launching that from GDM > > instead of GNOME directly): > > > > CLUTTER_PAINT=disable-clipped-redraws:disable-culling > > /etc/X11/Sessions/Gnome > > Thanks, I'll try that. When I goggled for that, I also found people > using CLUTTER_VBLANK=True. Thanks a lot, the CLUTTER_PAINT setting did the trick. The CLUTTER_VBLANK line had no effect. Regards, Tino
