[Bug 20469] Dragon Age: Origins: Texture glitches (textures frequently switching from visible to black)

http://bugs.winehq.org/show_bug.cgi?id=20469

--- Comment #6 from Henri Verbeet   2009-11-06 16:04:11 ---
The problem is a bit more generic than that, if any of left/right, top/bottom
or near/far are equal or close enough together an invalid projection matrix is
generated. The code in question is a bit of a hack in itself though, so maybe
it's ok to just use -1.0 and 1.0 when minZ and maxZ are equal.