http://home.tange.dk/~tange/igs-scroll.html
http://www.complang.tuwien.ac.at/skral/download/eyefriendly_xfree86/eyefriendly_xfree86-1.0.2/README
http://www.arava.co.il/matan/svgalib/
http://www.xfree86.org/~alanh/
[01:12pm] <anholt> Currently, users can enable vsync syncing by setting LIBGL_SYNC_REFRESH environment
          variable.  This works for mga, r128, radeon, r200.

