public static extern PSMove_Bool psmove_position_filter_load_settings(ref PSMovePositionFilterSettings filter_settings);
public static extern void psmove_position_filter_get_settings( IntPtr position_filter, ref PSMovePositionFilterSettings filter_settings);
public static extern void psmove_position_filter_get_default_settings(ref PSMovePositionFilterSettings filter_settings);
public static extern void psmove_position_filter_init( ref PSMovePositionFilterSettings filter_settings, ref PSMove_3AxisVector position, IntPtr filter_state);
public static extern PSMove_Bool psmove_position_filter_save_settings(ref PSMovePositionFilterSettings filter_settings);