OpenGL
Jump to navigation
Jump to search
OpenGL is a 3D graphics API, which is used by the hardware renderers of 
GoldSrc and 
id Tech 2, as well as some 
Source 2 games. The 
Linux and 
macOS versions of 
Source can use the special-purpose togl to wrap DirectX API calls to OpenGL (although togl is limited to Shader Model 2).
