cgGLGetTextureEnum

> # NAME

> cgGLGetTextureEnum - get the OpenGL enumerant for the texture unit associated with a parameter

> # SYNOPSIS

>       #include <Cg/cgGL.h>

>       GLenum cgGLGetTextureEnum( CGparameter param );

> # PARAMETERS

> param

>   The texture parameter for which the OpenGL texture unit enumerant will be retrieved.

> # RETURN VALUES

> Returns a GLenum of the form GL_TEXTURE#_ARB.

> Returns GL_INVALID_OPERATION if an error occurs.

> # DESCRIPTION

> cgGLGetTextureEnum returns the OpenGL enumerant for the texture unit assigned to param. The enumerant has the form GL_TEXTURE#_ARB where # is the texture unit number.

> # EXAMPLES

> to-be-written

> # ERRORS

> CG_INVALID_PARAM_HANDLE_ERROR is generated if param is not a valid parameter.

> CG_INVALID_PARAMETER_ERROR is generated if param is not a texture parameter or if the operation fails for any other reason.

> # HISTORY

> cgGLGetTextureEnum was introduced in Cg 1.1.

> # SEE ALSO

> cgGLSetTextureParameter