Wiki | Accurate per-pixel sphere mapping with normal map influence Using lambert diffuse model and phong highlight specular. |
Wiki | PerPixel Lighting A simple, everytime accurate per-pixel cg shader for Ogre, right out of box |
Wiki | PerPixel Lighting II Multipass and One-pass per-pixel lighting shaders |
Wiki | PerPixel Lighting With Offset(Parallax) Mapping Shader in the Per-Pixel Lighting series |