http://bugs.winehq.org/show_bug.cgi?id=10580
--- Comment #25 from Stefan Dösinger stefandoesinger@gmx.at 2008-05-27 03:12:22 --- Then we'd have to make sure we do not overwrite them when loading global constants, which means an additional if() for each global constant loaded. For arb shaders we could do this because it has a different set of program-only shader constants. (Or rather, ARB knows global constants, which GLSL doesn't)