ALLEGRO 5 FullScreen

if( wsk_menu->getNewScreen() )
{
    wsk_menu->setScreen(); //wsk_menu->getNewScreen()=0;
    al_destroy_display( display );
    if( wsk_menu->Full() ) al_set_new_display_flags( ALLEGRO_FULLSCREEN );
   
    if( !wsk_menu->Full() ) al_set_new_display_flags( ALLEGRO_NOFRAME );
   
    ALLEGRO_DISPLAY * display = al_create_display( video_x, video_y );
    if( !al_init() ) {
        fprintf( stderr, "failed to initialize allegro!\n" );
        return - 1;
    }
    if( !display ) {
        fprintf( stderr, "failed to create display!\n" );
        return - 1;
    }
    al_hide_mouse_cursor( display );
}