NAME
    cgGetParameterBufferIndex - get buffer index by parameter

SYNOPSIS
      #include <Cg/cg.h>

      int cgGetParameterBufferIndex( CGparameter param );

PARAMETERS
    param   The parameter for which the associated buffer index will be
            retrieved.

RETURN VALUES
    Returns the index for the buffer to which param belongs.

    Returns -1 if param does not belong to a buffer or an error occurs.

DESCRIPTION
    cgGetParameterBufferIndex returns the index for the buffer to which a
    parameter belongs. If param does not belong to a buffer, then -1 is
    returned.

EXAMPLES
    int index = cgGetParameterBufferIndex( myParam );

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

HISTORY
    cgGetParameterBufferIndex was introduced in Cg 2.0.

SEE ALSO
    cgSetProgramBuffer, cgGetParameterBufferOffset,
    cgGetParameterResourceSize

