private static extern void cgGLUnloadProgram(CgProgram program);
private static extern void cgGLEnableProgramProfiles(CgProgram program);
private static extern int cgGLGetProgramID(CgProgram program);
private static extern CgBool cgGLIsProgramLoaded(CgProgram program);
private static extern void cgGLBindProgram(CgProgram program);