http://bugs.winehq.org/show_bug.cgi?id=10423
--- Comment #2 from Stefan Dösinger stefandoesinger@gmx.at 2007-11-12 13:59:56 --- Hmm indeed, lit defines 0^0 as 1, while glsl leaves it undefined. Does it also work to test for power == 0.0 instead of src0.x?