http://bugs.winehq.org/show_bug.cgi?id=17528
--- Comment #8 from Stefan Dösinger stefandoesinger@gmx.at 2009-02-28 08:06:52 --- Actually, it might also be worthwile to report a bug to mesa. The driver might as well recognize that it is loading 0.0 two times and optimize one of the uses away and save the constant.