Maybe waiting for the next CVS snapshot will solve my problem. Here's what I found out about this issue:
https://bugs.freedesktop.org/show_bug.cgi?id=8010 According to that page it should be fixed in mesa as of 20060826. -- OpenGL viewport cut-off with 915gm graphics https://launchpad.net/bugs/43052 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
