DTest2 Sep24 Patch
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by Jaakko Kernen <jkeranen@raven-games.com>
9/24/2000

NEW FEATURES
- No dynamic lights on sky polygons.
- dlBlend mode zero.
- D3D back in business.
- Fog affects the sky sphere.
- Support for the new glBSP vertex format.

NOTES
dlBlend mode zero now works, but it has its problems. Compared to dlBlend 1,
you'll notice a lot more gaps between polygons, which often leads into ugly
glitches like white pixels of the sky being visible in polygon seams. I know
how to fix this but unfortunately the solution I've come up with requires
a bit of serious thinking and a lot of work.

The D3D renderer is working again, and at least on my video card is roughly 
as fast as the OpenGL one.

The new cvar "r_skydist" can be used to control how much fog affects the 
sky. Smaller values result in less fogginess.
