NAME
    cgIsStateAssignment - determine if a CGstate assignment references a
    valid Cg state assignment

SYNOPSIS
      #include <Cg/cg.h>

      CGbool cgIsStateAssignment(CGstateassignment sa);

PARAMETERS
    sa      Specifies the state assignment handle to check.

DESCRIPTION
    cgIsStateAssignment returns CG_TRUE if sa references a valid state
    assignment, CG_FALSE otherwise.

ERRORS
    This function generates no errors.

