Gl bump
From FTE
Name: gl_bump
Default value: "0"
Cvar flags: archive renderlatch
FTEQW Builds: OpenGL Renderer Minimal GL Build Merged Build Linux Build
The basic algorithm involved requires the use of prebuilt lighting normals on a per-surface basis. See r_loadlit for an example on how to go about generating this info.
Cvar flags: Cvar_Archive Cvar_RendererLatch
Below: Bumpmapping in action (as well as shadows) on "start"
<img src="http://fteqw.sourceforge.net/pics/diffuse.jpg" alt="Bumpmapping Screenshot">