func IsVertexArray(array uint32) bool {
	ret, _, _ := syscall.Syscall(gpIsVertexArray, 1, uintptr(array), 0, 0)
	return ret != 0
}
func IsVertexArray(array uint32) bool {
	ret, _, _ := syscall.Syscall(gpIsVertexArray, 1, uintptr(array), 0, 0)
	return ret != 0
}
// determine if a name corresponds to a vertex array object