http://bugs.winehq.org/show_bug.cgi?id=7644
--- Comment #25 from Stefan Dösinger stefandoesinger@gmx.at 2007-10-30 17:54:31 ---
Okay; it must be implemented in the driver for windows because HL2 works just fine there and doesn't experience any of these artifacts.
Yes, the hardware has limited support for programmable fragment processing. Enough for ps_1_4 I think, but not enough for GL_ARB_fragment_program. Obviously the Windows driver implements pixel shaders, but the windows driver does not map to opengl. Just for us it is a very unfortunate situation.
I should mention that I'm using the free radeon driver right now; perhaps I should test with the fglrx driver and see if that is any better.
No, this won't help. It doesn't have GL_ARB_fragment_program either, the card just can't do that.
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