Am 25.07.2016 08:38 schrieb "Michel Dänzer" <<a href="mailto:michel@daenzer.net">michel@daenzer.net</a>>: > > On 13.07.2016 18:49, Rainer Hochecker wrote: > > We have been using this for years now and did not observe issues you > > mentioned. I would be surprised if a child window refreshes in a > > different rate than the main window > > The Xorg driver decides which CRTC to synchronize with based on the > window geometry. For a window with no visible geometry, it may choose a > different CRTC than for the visible output window. In the case of DRI3, > the Xorg Present extension code may even fall back to the fake CRTC in > that case, which only generates a fake vblank event once every second. > > > -- > Earthling Michel Dänzer | <a href="http://www.amd.com">http://www.amd.com</a> > Libre software enthusiast | Mesa and X developer > That means that we won't have a solution for X11 with EGL for Intel systems anymore.