[Bug 17832] FEAR 1.08: Pixelshader compilation fails with ARB backend

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=17832





--- Comment #1 from Tobias Jakobi <liquid.acid at gmx.net>  2009-03-28 15:28:41 ---
I have to state that this doesn't look like a regression bug.

I was also telling nonsense on IRC. I can't reproduce this problem with HL2,
the only application I can trigger the bug is FEAR at the moment.

The source of the problem is this original D3D asm line:
rcp r0.w, t1.w

That's from a ps_2_0 program, it's converted to "RCP R0.w, A1.w".

According to stefand this has to do with aliasing of the Ax registers.


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