I've moved some old tearing bugs in here since I now understand it's just a bug in the Xorg modesetting driver, which is the one that most machines use:
https://gitlab.freedesktop.org/xorg/xserver/issues/244 ** Summary changed: - Fullscreen windows (like Totem) are tearing in gnome-shell Xorg sessions + Fullscreen windows (like Totem) are tearing in Xorg sessions ** Summary changed: - Fullscreen windows (like Totem) are tearing in Xorg sessions + Fullscreen windows are tearing in Xorg sessions -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1754284 Title: Fullscreen windows are tearing in Xorg sessions To manage notifications about this bug go to: https://bugs.launchpad.net/xorg-server/+bug/1754284/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs