The OpenGL low-level fragment shader language specification. Includes detailed documentation on APIs and assembly instructions.

The OpenGL low-level vertex shader language specification. Includes detailed documentation on APIs and assembly instructions.

A rare collection of ARB sample code.

AMD/ATI's OpenGL SDK; includes information on ARB Fragment Program support.

A clean example of a no-frills vertex shader. demonstrates input/output semantics, application variables and state values.

An example of ARB vertex shader code generated by Shader Designer. Includes a screen shot of a metallic shader.

Examines differences in fragment shader behaviors between ATI and nVidia cards. Includes code examples, and operations to avoid for improved portability.