[Bug 6480] Water render effects are incorrect in HL2 based games

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=6480

------- Additional Comments From [e-mail]  2006-31-12 20:53 -------
This fixes the problem with the reflection rendering in the skybox, but doesn't
have any effect on the water. It also slows rendering by about 75%, to the point
that the game is unplayable.