cgGetParameterClass

> # NAME

> cgGetParameterClass - get a parameter's class

> # SYNOPSIS

>       #include <Cg/cg.h>

>       CGparameterclass cgGetParameterClass( CGparameter param );

> # PARAMETERS

> param

>   The parameter.

> # RETURN VALUES

> Returns the parameter class enumerant of param.

> Returns CG_PARAMETERCLASS_UNKNOWN if an error occurs.

> # DESCRIPTION

> cgGetParameterClass allows the application to retrieve the class of a parameter.

> The returned CGparameterclass value enumerates the high-level parameter classes:

> CG_PARAMETERCLASS_SCALAR

>   The parameter is of a scalar type, such as CG_INT, or CG_FLOAT.

> CG_PARAMETERCLASS_VECTOR

>   The parameter is of a vector type, such as CG_INT1, or CG_FLOAT4.

> CG_PARAMETERCLASS_MATRIX

>   The parameter is of a matrix type, such as CG_INT1x1, or CG_FLOAT4x4.

> CG_PARAMETERCLASS_STRUCT

>   The parameter is a struct or interface.

> CG_PARAMETERCLASS_ARRAY

>   The parameter is an array.

> CG_PARAMETERCLASS_SAMPLER

>   The parameter is a sampler.

> CG_PARAMETERCLASS_OBJECT

>   The parameter is a texture, string, or program.

> # EXAMPLES

> to-be-written

> # ERRORS

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

> # HISTORY

> cgGetParameterClass was introduced in Cg 1.4.

> # SEE ALSO

> cgGetParameterType, cgGetType, cgGetTypeString