func GenLists(xrange int32) uint32 {
	ret, _, _ := syscall.Syscall(gpGenLists, 1, uintptr(xrange), 0, 0)
	return (uint32)(ret)
}
func GenLists(xrange int32) uint32 {
	ret, _, _ := syscall.Syscall(gpGenLists, 1, uintptr(xrange), 0, 0)
	return (uint32)(ret)
}
// generate a contiguous set of empty display lists