@Override
    public void initialize() {
        logger.config("Initializing VR view manager.");

        if (environment != null){
          initTextureSubmitStructs();
          setupCamerasAndViews();
          setupVRScene();
          moveScreenProcessingToEyes();

          if( environment.hasTraditionalGUIOverlay() ) {
            environment.getVRMouseManager().initialize();

            // update the pose to position the gui correctly on start
            update(0f);
            environment.getVRGUIManager().positionGui();
          }

          logger.config("Initialized VR view manager [SUCCESS]");

        } else {
          throw new IllegalStateException("This VR view manager is not attached to any VR environment.");
        }
    }
Initialize the system binds of the textures.
jme3-vr/src/main/java/com/jme3/input/vr/openvr/OpenVRViewManager.java