411 REFERENCE · Wikibooks
Cg Programming/Cg Toolkit
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Nvidia's Cg Toolkit is a legacy C API for developing graphics applications with Cg shaders in OpenGL and Direct3D. Implementations are available for Windows, MacOS X, and Linux, and come with numerous examples of Cg shaders.