@Override
    public void updatePose() {
        double ftiming = ovr_GetPredictedDisplayTime(session, 0);
        ovr_GetTrackingState(session, ftiming, true, trackingState);
        ovr_GetSessionStatus(session, sessionStatus);

        input.updateControllerStates();

        headPose = trackingState.HeadPose().ThePose();
    }
Frame buffers we can draw into.
jme3-vr/src/main/java/com/jme3/input/vr/oculus/OculusVR.java