internal static extern void VR_IVRCompositor_SetTrackingSpace(IntPtr instancePtr, ETrackingUniverseOrigin eOrigin);

	public override bool PollNextEventWithPose(ETrackingUniverseOrigin eOrigin,ref VREvent_t pEvent,ref TrackedDevicePose_t pTrackedDevicePose)
	{
		CheckIfUsable();
		bool result = VRNativeEntrypoints.VR_IVRSystem_PollNextEventWithPose(m_pVRSystem,eOrigin,ref pEvent,ref pTrackedDevicePose);
		return result;
	}

	public override void SetKeyboardTransformAbsolute(ETrackingUniverseOrigin eTrackingOrigin,ref HmdMatrix34_t pmatTrackingOriginToKeyboardTransform)
	{
		CheckIfUsable();
		VRNativeEntrypoints.VR_IVROverlay_SetKeyboardTransformAbsolute(m_pVROverlay,eTrackingOrigin,ref pmatTrackingOriginToKeyboardTransform);
	}

	public abstract EVROverlayError GetOverlayTransformAbsolute(ulong ulOverlayHandle,ref ETrackingUniverseOrigin peTrackingOrigin,ref HmdMatrix34_t pmatTrackingOriginToOverlayTransform);

	internal static extern bool VR_IVRSystem_GetControllerStateWithPose(IntPtr instancePtr, ETrackingUniverseOrigin eOrigin, uint unControllerDeviceIndex, ref VRControllerState_t pControllerState, ref TrackedDevicePose_t pTrackedDevicePose);

	public abstract void GetDeviceToAbsoluteTrackingPose(ETrackingUniverseOrigin eOrigin,float fPredictedSecondsToPhotonsFromNow,TrackedDevicePose_t [] pTrackedDevicePoseArray);

	public abstract bool GetControllerStateWithPose(ETrackingUniverseOrigin eOrigin,uint unControllerDeviceIndex,ref VRControllerState_t pControllerState,ref TrackedDevicePose_t pTrackedDevicePose);

	public bool PollNextEventWithPose(ETrackingUniverseOrigin eOrigin,ref VREvent_t pEvent,uint uncbVREvent,ref TrackedDevicePose_t pTrackedDevicePose)
	{
		bool result = FnTable.PollNextEventWithPose(eOrigin,ref pEvent,uncbVREvent,ref pTrackedDevicePose);
		return result;
	}

	public bool GetControllerStateWithPose(ETrackingUniverseOrigin eOrigin,uint unControllerDeviceIndex,ref VRControllerState_t pControllerState,ref TrackedDevicePose_t pTrackedDevicePose)
	{
		bool result = FnTable.GetControllerStateWithPose(eOrigin,unControllerDeviceIndex,ref pControllerState,ref pTrackedDevicePose);
		return result;
	}

	public void GetDeviceToAbsoluteTrackingPose(ETrackingUniverseOrigin eOrigin,float fPredictedSecondsToPhotonsFromNow,TrackedDevicePose_t [] pTrackedDevicePoseArray)
	{
		FnTable.GetDeviceToAbsoluteTrackingPose(eOrigin,fPredictedSecondsToPhotonsFromNow,pTrackedDevicePoseArray,(uint) pTrackedDevicePoseArray.Length);
	}

	public abstract EVROverlayError GetTransformForOverlayCoordinates(ulong ulOverlayHandle,ETrackingUniverseOrigin eTrackingOrigin,HmdVector2_t coordinatesInOverlay,ref HmdMatrix34_t pmatTransform);

	internal static extern void VR_IVROverlay_SetKeyboardTransformAbsolute(IntPtr instancePtr, ETrackingUniverseOrigin eTrackingOrigin, ref HmdMatrix34_t pmatTrackingOriginToKeyboardTransform);

	internal static extern EVROverlayError VR_IVROverlay_GetTransformForOverlayCoordinates(IntPtr instancePtr, ulong ulOverlayHandle, ETrackingUniverseOrigin eTrackingOrigin, HmdVector2_t coordinatesInOverlay, ref HmdMatrix34_t pmatTransform);

	internal static extern EVROverlayError VR_IVROverlay_GetOverlayTransformAbsolute(IntPtr instancePtr, ulong ulOverlayHandle, ref ETrackingUniverseOrigin peTrackingOrigin, ref HmdMatrix34_t pmatTrackingOriginToOverlayTransform);

	public void SetTrackingSpace(ETrackingUniverseOrigin eOrigin)
	{
		FnTable.SetTrackingSpace(eOrigin);
	}

	internal static extern void VR_IVRSystem_GetDeviceToAbsoluteTrackingPose(IntPtr instancePtr, ETrackingUniverseOrigin eOrigin, float fPredictedSecondsToPhotonsFromNow,  [In, Out] TrackedDevicePose_t[] pTrackedDevicePoseArray, uint unTrackedDevicePoseArrayCount);

	public EVROverlayError GetOverlayTransformAbsolute(ulong ulOverlayHandle,ref ETrackingUniverseOrigin peTrackingOrigin,ref HmdMatrix34_t pmatTrackingOriginToOverlayTransform)
	{
		EVROverlayError result = FnTable.GetOverlayTransformAbsolute(ulOverlayHandle,ref peTrackingOrigin,ref pmatTrackingOriginToOverlayTransform);
		return result;
	}

	public EVROverlayError GetTransformForOverlayCoordinates(ulong ulOverlayHandle,ETrackingUniverseOrigin eTrackingOrigin,HmdVector2_t coordinatesInOverlay,ref HmdMatrix34_t pmatTransform)
	{
		EVROverlayError result = FnTable.GetTransformForOverlayCoordinates(ulOverlayHandle,eTrackingOrigin,coordinatesInOverlay,ref pmatTransform);
		return result;
	}

	public abstract void SetTrackingSpace(ETrackingUniverseOrigin eOrigin);

	public void SetKeyboardTransformAbsolute(ETrackingUniverseOrigin eTrackingOrigin,ref HmdMatrix34_t pmatTrackingOriginToKeyboardTransform)
	{
		FnTable.SetKeyboardTransformAbsolute(eTrackingOrigin,ref pmatTrackingOriginToKeyboardTransform);
	}