cgGetParameterName
Keywords: cgGetParameterName, NVIDIA, NVIDIA Cg Toolkit, Cg Toolkit, Shader, Shader Programming, GPU Shader Programming, GPU Program

> ## Name

> cgGetParameterName - get a program parameter's name

> ## Synopsis

>     #include <Cg/cg.h>

>     const char * cgGetParameterName( CGparameter param );

> ## Parameters

> param
>   The program parameter.

> ## Return Values

> Returns the null-terminated name string for the parameter.

> Returns NULL if param is invalid.

> ## Description

> cgGetParameterName allows the application to retrieve the name of a parameter in a Cg program. This name can be used later to retrieve the parameter from the program using cgGetNamedParameter.

> ## Examples

> to-be-written

> ## Errors

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

> ## History

> cgGetParameterName was introduced in Cg 1.1.

> ## See Also

> cgGetNamedParameter, cgGetNextParameter, cgGetParameterType, cgGetParameterVariability, cgGetParameterDirection, cgSetParameterVariability