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ARB
- ARB Fragment Program Specification
The OpenGL low-level fragment shader language specification. Includes detailed documentation on APIs and assembly instructions.
- ARB Vertex Program Specification
The OpenGL low-level vertex shader language specification. Includes detailed documentation on APIs and assembly instructions.
- ATI Fragment Program Info
AMD/ATI's OpenGL SDK; includes information on ARB Fragment Program support.
- Basic Vertex Shader
A clean example of a no-frills vertex shader. demonstrates input/output semantics, application variables and state values.
- Fragment Programs-ATI R3xx vs NVidia NV34
Examines differences in fragment shader behaviors between ATI and nVidia cards. Includes code examples, and operations to avoid for improved portability.
- Low Level Shaders
A rare collection of ARB sample code.
- OpenGL ARB Vertex Program
Cass Everitt's presentation on GL_ARB_vertex_program. Overiew of OpenGL shader pipeline, vertex attributes, registers, constants, variable types, input/output semantics, list of ARB instructions and example ARB code [PDF]
- Shader Designer - Vertex Shader Example
An example of ARB vertex shader code generated by Shader Designer. Includes a screen shot of a metalic shader.
