cgSetParameterValuefr

> # NAME

> cgSetParameterValuefr - set the value of any numeric parameter

> # SYNOPSIS

>       #include <Cg/cg.h>

>       void cgSetParameterValuefr( CGparameter param,
>                                   int nelements,
>                                   const float * v );

> # PARAMETERS

> param

>   The program parameter whose value will be set.

> nelements

>   The number of elements in array v.

> v

>   Source buffer from which the parameter values will be read.

> # RETURN VALUES

> None.

> # DESCRIPTION

> cgSetParameterValuefr allows the application to set the value of any numeric parameter or parameter array.

> The given parameter must be a scalar, vector, matrix, or a (possibly multidimensional) array of scalars, vectors, or matrices.

> Any matrices referenced by param to be initialized in row-major order.

> If v is smaller than the total number of values in the given source parameter, CG_NOT_ENOUGH_DATA_ERROR is generated.

> The total number of values in a parameter, ntotal, may be computed as follow:

>         int nrows = cgGetParameterRows(param);
>         int ncols = cgGetParameterColumns(param);
>         int asize = cgGetArrayTotalSize(param);
>         int ntotal = nrows*ncols;
>         if (asize > 0) ntotal *= asize;

> # 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 a varying input to a fragment program.

> CG_INVALID_POINTER_ERROR is generated if v is NULL.

> CG_NOT_ENOUGH_DATA_ERROR is generated if nelements is less than the total size of param.

> CG_NON_NUMERIC_PARAMETER_ERROR is generated if param is of a non-numeric type.

> # HISTORY

> cgSetParameterValuefr was introduced in Cg 1.4.

> # SEE ALSO

> cgSetParameterValue, cgGetParameterRows, cgGetParameterColumns, cgGetArrayTotalSize, cgGetParameterValue