> have you tried enabling the "sync to v-blank" (or similar) in the > settings for your gfx-card? > this will prevent updating of the framebuffer while it is being drawn. Turns out I already had sync to v-blank enabled (through Compiz).
> I put the following lines in "/etc/environment" - > > CLUTTER_PAINT=disable-clipped-redraws:disable-culling > CLUTTER_VBLANK=True I tried a combination of those two solutions but still getting the same problem On 26 May 2014 13:57, Marco Donnarumma <[email protected]> wrote: > Hi Antonio, > > I had the same problem but with an Nvidia card on Mint 15 (ubuntu 13.10). > > Imho often times is not a software problem, but a firmware issue with the > vertical blank and refresh rate. > > Does it happens with movies in full screen on an external monitor? > > So not sure this below will help you, but it fixed the issue on my machine: > > I put the following lines in "/etc/environment" - > > CLUTTER_PAINT=disable-clipped-redraws:disable-culling > CLUTTER_VBLANK=True > > best, > M > > -- > Marco Donnarumma > Performer, body tinkerer, teacher and writer. > #soundandmusic #biotech #freeculture > EAVI - Goldsmiths, University of London > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > Portfolio: http://marcodonnarumma.com > Research: http://res.marcodonnarumma.com > > > On Mon, May 26, 2014 at 12:56 PM, Antonio Roberts <[email protected]> > wrote: >> >> Hi, >> >> I'm running Pd Extended 0.43.4 on Ubuntu 14.04. I've got a Dell XPS13 >> with Intel Ivybridge Mobile i7 graphics and I'm getting lots of screen >> tear/flicker when I go full screen with an external monitor attached. >> It doesn't matter if I'm full screen on the external or primary >> monitor, I still get lots of flicker. >> >> Attached is an example patch that causes this problem (contains >> flashing colours) >> >> I've noticed that if I don't go full screen (deleting border 0) then >> the flicker stops, but I then have the window borders and menu bar >> being displayed. >> >> Is this a problem with GEM? >> >> -- >> ============================ >> [email protected] >> http://www.hellocatfood.com >> ============================ >> >> _______________________________________________ >> GEM-dev mailing list >> [email protected] >> http://lists.puredata.info/listinfo/gem-dev >> > -- ============================ [email protected] http://www.hellocatfood.com ============================ _______________________________________________ GEM-dev mailing list [email protected] http://lists.puredata.info/listinfo/gem-dev
