@Override
    public void create(boolean waitFor) {
        if (created.get()) {
            logger.warning("create() called when display is already created!");
            return;
        }

        new Thread(this, THREAD_NAME).start();
        if (waitFor) waitFor(true);
    }
@param width The required display width
@param height The required display height
@param bpp The required bits per pixel. If -1 is passed it will return
          whatever bpp is found
@param freq The required frequency, if -1 is passed it will return
            whatever frequency is found
@return The {@link DisplayMode} matches with specified settings or
        return null if no matching display mode is found
jme3-lwjgl/src/main/java/com/jme3/system/lwjgl/LwjglDisplay.java