Hi all. The conditions for reproducing the issue: CSD + OpenGL + swrast. Notice that the GTK GL example doesn't use CSD i.e. it doesn't set a custom GtkWindow titlebar. I have attached a small test case that reproduces the issue.
** Attachment added: "testcase.c" https://bugs.launchpad.net/ubuntu/+source/gtk+3.0/+bug/1960947/+attachment/5561410/+files/testcase.c -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1960947 Title: Graphical issues for GtKGL in software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gtk+3.0/+bug/1960947/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
