func CreateShader(xtype uint32) uint32 {
	ret, _, _ := syscall.Syscall(gpCreateShader, 1, uintptr(xtype), 0, 0)
	return (uint32)(ret)
}
func CreateShader(xtype uint32) uint32 {
	ret, _, _ := syscall.Syscall(gpCreateShader, 1, uintptr(xtype), 0, 0)
	return (uint32)(ret)
}
// Creates a shader object