Exemplo n.º 1
0
 public static object CallSystemFn(SystemFn fn, params object[] args)
 {
     object result = null;
     if (SteamVR.active)
     {
         result = fn(SteamVR.instance.hmd, args);
     }
     else
     {
         var error = HmdError.None;
         var pSystem = OpenVR.Init(ref error);
         if (pSystem != System.IntPtr.Zero && error == HmdError.None)
         {
             // Make sure we're using the proper version
             pSystem = OpenVR.GetGenericInterface(OpenVR.IVRSystem_Version, ref error);
             if (pSystem != System.IntPtr.Zero && error == HmdError.None)
             {
                 var system = new CVRSystem(pSystem);
                 result = fn(system, args);
             }
             OpenVR.Shutdown();
         }
     }
     return result;
 }
Exemplo n.º 2
0
 Matrix4 GetHMDMatrixProjectionEye(ref Valve.VR.CVRSystem HMD, Valve.VR.EVREye eye)
 {
     if (HMD == null)
     {
         return(new Matrix4());
     }
     Valve.VR.HmdMatrix44_t M = HMD.GetProjectionMatrix(eye, mNearClip, mFarClip);
     return(UtilOld.steamVRMatrixToMatrix4(M));
 }
Exemplo n.º 3
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 Matrix4 GetHMDMatrixPoseEye(ref Valve.VR.CVRSystem HMD, Valve.VR.EVREye eye)
 {
     if (HMD == null)
     {
         return(new Matrix4());
     }
     Valve.VR.HmdMatrix34_t M = HMD.GetEyeToHeadTransform(eye);
     return(UtilOld.steamVRMatrixToMatrix4(M).Inverted());
 }
Exemplo n.º 4
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 bool SetupStereoRenderTargets(ref Valve.VR.CVRSystem HMD)
 {
     if (HMD == null)
     {
         return(false);
     }
     HMD.GetRecommendedRenderTargetSize(ref vrRenderWidth, ref vrRenderHeight);
     CreateFrameBuffer((int)vrRenderWidth, (int)vrRenderHeight, out leftEyeDesc);
     CreateFrameBuffer((int)vrRenderWidth, (int)vrRenderHeight, out rightEyeDesc);
     return(true);
 }
Exemplo n.º 5
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 public void Clear()
 {
     this.m_pVRSystem          = null;
     this.m_pVRChaperone       = null;
     this.m_pVRChaperoneSetup  = null;
     this.m_pVRCompositor      = null;
     this.m_pVROverlay         = null;
     this.m_pVRRenderModels    = null;
     this.m_pVRExtendedDisplay = null;
     this.m_pVRSettings        = null;
     this.m_pVRApplications    = null;
 }
Exemplo n.º 6
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 public void Update(CVRSystem system, uint id)
 {
     if (id == 999)
         return;
     //is pressed
     system.GetControllerState(id, ref m_controllerState);
     //was pressed
     ulong buttonsChanged = m_previousButtons ^ m_controllerState.ulButtonPressed;
     m_buttonPressedAcc |= buttonsChanged & m_controllerState.ulButtonPressed;
     //was released
     m_buttonReleasedAcc |= buttonsChanged & ~m_controllerState.ulButtonPressed;
     m_previousButtons = m_controllerState.ulButtonPressed;
 }
Exemplo n.º 7
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        public OpenVRInputObservable(CVRSystem hmd)
        {
            this.hmd = hmd;

            var eventLauncher = new OpenVREventLauncher(hmd);

            InputEvents =
                from evt in Observable.FromEventPattern<OpenVREventArgs>(eventLauncher, nameof(eventLauncher.OpenVREvent))
                let evtType = evt.EventArgs.EventType
                let data = evt.EventArgs.EventData
                where ControllerEvents.Contains(evtType)
                where evtType == EVREventType.VREvent_ButtonPress || evtType == EVREventType.VREvent_ButtonUnpress
                select new OpenVRControllerInput(hmd, evt.EventArgs.DeviceIndex, evtType, data.controller);            
        }
Exemplo n.º 8
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 public CVRSystem VRSystem()
 {
     this.CheckClear();
     if (this.m_pVRSystem == null)
     {
         EVRInitError eVRInitError     = EVRInitError.None;
         IntPtr       genericInterface = OpenVRInterop.GetGenericInterface("FnTable:IVRSystem_011", ref eVRInitError);
         if (genericInterface != IntPtr.Zero && eVRInitError == EVRInitError.None)
         {
             this.m_pVRSystem = new CVRSystem(genericInterface);
         }
     }
     return(this.m_pVRSystem);
 }
Exemplo n.º 9
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 public VrRenderer(ref Valve.VR.CVRSystem HMD, ref Scene scene, uint mRenderWidth, uint mRenderHeight)
 {
     mHMD   = HMD;
     mScene = scene;
     SetupStereoRenderTargets(ref mHMD);
     //1344 * 1600
     vrRenderWidth  = mRenderWidth;
     vrRenderHeight = mRenderHeight;
     //ovrvision
     if (enableAR)
     {
         ovrvision_controller = new OvrvisionController(ref mHMD, ref mScene);
         ovrvision_controller.initOVrvision();
     }
 }
Exemplo n.º 10
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        private OpenVRScene(float nearClip, float farClip, CVRSystem hmd, int leftIndex, int rightIndex)
        {
            // set up the hmd
            this.hmd = hmd;

            NearClip = nearClip;
            FarClip = farClip;

            leftEyeProj = hmd.GetProjectionMatrix(EVREye.Eye_Left, nearClip, farClip, EGraphicsAPIConvention.API_OpenGL).ToGLMatrix4();
            rightEyeProj = hmd.GetProjectionMatrix(EVREye.Eye_Right, nearClip, farClip, EGraphicsAPIConvention.API_OpenGL).ToGLMatrix4();
            leftEyeView = hmd.GetEyeToHeadTransform(EVREye.Eye_Left).ToGLMatrix4().Inverted();
            rightEyeView = hmd.GetEyeToHeadTransform(EVREye.Eye_Right).ToGLMatrix4().Inverted();
            leftHandControllerIndex = leftIndex;
            rightHandControllerIndex = rightIndex;

            OpenVRInput = new OpenVRInputObservable(hmd);
        }
Exemplo n.º 11
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            public OpenVRControllerInput(CVRSystem hmd, int index, EVREventType eventType, VREvent_Controller_t contEvent)
            {
                State = eventType == EVREventType.VREvent_ButtonPress ? InputState.Start : InputState.Finish;

                // CONTROLLER KEY BINDINGS ARE HERE
                switch ((EVRButtonId)contEvent.button)
                {
                    case EVRButtonId.k_EButton_System:
                        // used by system, dont handle
                        break;
                    case EVRButtonId.k_EButton_ApplicationMenu:
                        Input = InputType.Pause;
                        break;
                    case EVRButtonId.k_EButton_Grip:
                        break;
                    case EVRButtonId.k_EButton_DPad_Left:
                        break;
                    case EVRButtonId.k_EButton_DPad_Up:
                        break;
                    case EVRButtonId.k_EButton_DPad_Right:
                        break;
                    case EVRButtonId.k_EButton_DPad_Down:
                        break;
                    case EVRButtonId.k_EButton_A:
                        break;
                    case EVRButtonId.k_EButton_Axis2:
                        break;
                    case EVRButtonId.k_EButton_Axis3:
                        break;
                    case EVRButtonId.k_EButton_Axis4:
                        break;
                    case EVRButtonId.k_EButton_SteamVR_Touchpad:
                        Input = hmd.ControllerState(index).rAxis0.y > 0 ? InputType.SpeedUp : InputType.SlowDown;
                        break;
                    case EVRButtonId.k_EButton_SteamVR_Trigger:
                        Input = InputType.PrimarySelect;
                        break;
                    case EVRButtonId.k_EButton_Max:
                        // should never fire
                        break;
                    default:
                        break;
                }
            }
Exemplo n.º 12
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        public static object CallSystemFn(SystemFn fn, params object[] args)
        {
            bool initOpenVR = (!SteamVR.active && !SteamVR.usingNativeSupport);

            if (initOpenVR)
            {
                EVRInitError error = EVRInitError.None;
                OpenVR.Init(ref error, EVRApplicationType.VRApplication_Utility);
            }

            CVRSystem system = OpenVR.System;
            object    result = (system != null) ? fn(system, args) : null;

            if (initOpenVR)
            {
                OpenVR.Shutdown();
            }

            return(result);
        }
Exemplo n.º 13
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            public OpenVREventLauncher(CVRSystem hmd)
            {
                this.hmd = hmd;

                timer = new Timer(PollEvents, null, 0, PollIntervalMilis); // automatically starts the timer
            }
Exemplo n.º 14
0
 public CVRSystem VRSystem()
 {
     this.CheckClear();
     if (this.m_pVRSystem == null)
     {
         EVRInitError eVRInitError = EVRInitError.None;
         IntPtr genericInterface = OpenVRInterop.GetGenericInterface("FnTable:IVRSystem_011", ref eVRInitError);
         if (genericInterface != IntPtr.Zero && eVRInitError == EVRInitError.None)
         {
             this.m_pVRSystem = new CVRSystem(genericInterface);
         }
     }
     return this.m_pVRSystem;
 }
Exemplo n.º 15
0
 public OvrvisionController(ref Valve.VR.CVRSystem HMD, ref Scene scene)
 {
     mHMD   = HMD;
     mScene = scene;
 }
Exemplo n.º 16
0
    private SteamVR(System.IntPtr pHmd, System.IntPtr pCompositor, System.IntPtr pOverlay)
    {
        hmd = new CVRSystem(pHmd);
        Debug.Log("Connected to " + hmd_TrackingSystemName + ":" + hmd_SerialNumber);

        compositor = new CVRCompositor(pCompositor);
        overlay = new CVROverlay(pOverlay);

        var capacity = compositor.GetLastError(null, 0);
        if (capacity > 1)
        {
            var result = new System.Text.StringBuilder((int)capacity);
            compositor.GetLastError(result, capacity);
            Debug.Log("Compositor - " + result);
        }

        // Setup render values
        uint w = 0, h = 0;
        hmd.GetRecommendedRenderTargetSize(ref w, ref h);
        sceneWidth = (float)w;
        sceneHeight = (float)h;

        float l_left = 0.0f, l_right = 0.0f, l_top = 0.0f, l_bottom = 0.0f;
        hmd.GetProjectionRaw(Hmd_Eye.Eye_Left, ref l_left, ref l_right, ref l_top, ref l_bottom);

        float r_left = 0.0f, r_right = 0.0f, r_top = 0.0f, r_bottom = 0.0f;
        hmd.GetProjectionRaw(Hmd_Eye.Eye_Right, ref r_left, ref r_right, ref r_top, ref r_bottom);

        tanHalfFov = new Vector2(
            Mathf.Max(-l_left, l_right, -r_left, r_right),
            Mathf.Max(-l_top, l_bottom, -r_top, r_bottom));

        textureBounds = new VRTextureBounds_t[2];

        textureBounds[0].uMin = 0.5f + 0.5f * l_left / tanHalfFov.x;
        textureBounds[0].uMax = 0.5f + 0.5f * l_right / tanHalfFov.x;
        textureBounds[0].vMin = 0.5f - 0.5f * l_bottom / tanHalfFov.y;
        textureBounds[0].vMax = 0.5f - 0.5f * l_top / tanHalfFov.y;

        textureBounds[1].uMin = 0.5f + 0.5f * r_left / tanHalfFov.x;
        textureBounds[1].uMax = 0.5f + 0.5f * r_right / tanHalfFov.x;
        textureBounds[1].vMin = 0.5f - 0.5f * r_bottom / tanHalfFov.y;
        textureBounds[1].vMax = 0.5f - 0.5f * r_top / tanHalfFov.y;

        Unity.SetSubmitParams(textureBounds[0], textureBounds[1], VRSubmitFlags_t.Submit_Default);

        // Grow the recommended size to account for the overlapping fov
        sceneWidth = sceneWidth / Mathf.Max(textureBounds[0].uMax - textureBounds[0].uMin, textureBounds[1].uMax - textureBounds[1].uMin);
        sceneHeight = sceneHeight / Mathf.Max(textureBounds[0].vMax - textureBounds[0].vMin, textureBounds[1].vMax - textureBounds[1].vMin);

        aspect = tanHalfFov.x / tanHalfFov.y;
        fieldOfView = 2.0f * Mathf.Atan(tanHalfFov.y) * Mathf.Rad2Deg;

        eyes = new SteamVR_Utils.RigidTransform[] {
            new SteamVR_Utils.RigidTransform(hmd.GetEyeToHeadTransform(Hmd_Eye.Eye_Left)),
            new SteamVR_Utils.RigidTransform(hmd.GetEyeToHeadTransform(Hmd_Eye.Eye_Right)) };

        if (SystemInfo.graphicsDeviceVersion.StartsWith("OpenGL"))
            graphicsAPI = GraphicsAPIConvention.API_OpenGL;
        else
            graphicsAPI = GraphicsAPIConvention.API_DirectX;

        SteamVR_Utils.Event.Listen("initializing", OnInitializing);
        SteamVR_Utils.Event.Listen("calibrating", OnCalibrating);
        SteamVR_Utils.Event.Listen("out_of_range", OnOutOfRange);
        SteamVR_Utils.Event.Listen("device_connected", OnDeviceConnected);
        SteamVR_Utils.Event.Listen("new_poses", OnNewPoses);
    }
Exemplo n.º 17
0
 public Scene(ref Rhino.RhinoDoc doc, ref Valve.VR.CVRSystem hmd)
 {
     rhinoDoc = doc;
     mHMD     = hmd;
 }
Exemplo n.º 18
0
		public CVRSystem VRSystem()
		{
			CheckClear();
			if (m_pVRSystem == null)
			{
				var eError = EVRInitError.None;
				var pInterface = OpenVRInterop.GetGenericInterface(FnTable_Prefix+IVRSystem_Version, ref eError);
				if (pInterface != IntPtr.Zero && eError == EVRInitError.None)
					m_pVRSystem = new CVRSystem(pInterface);
			}
			return m_pVRSystem;
		}
Exemplo n.º 19
0
        public MyOpenVR()
        {
            if (true)
            {
                m_viewHMD = Matrix.Identity;
                m_headsetPosD = MatrixD.Identity;
                m_c1pos = Matrix.Identity;
                m_c2pos = Matrix.Identity;

                //IntPtr Handle = MyRender11.LoadLibrary(@"D:\KeenSWH.VR\Sandbox\Sources\SpaceEngineers\bin\x64\Debug\Bin64\openvr_api.dll");
                //IntPtr Handle = LoadLibrary(@"C:\Program Files (x86)\Steam\SteamApps\common\SteamVR\bin\win64\openvr_api.dll");
                IntPtr Handle = LoadLibrary(@"openvr_api.dll");
                //IntPtr Handle = MyRender11.LoadLibrary(@"c:\Program Files (x86)\Steam\bin\openvr_api.dll");//err code 193 -  not a valid Win32 application
                //Assembly.LoadFile(@"D:\KeenSWH\Sandbox\Sources\SpaceEngineers\bin\x64\Debug\Bin64\openvr_api.dll");
                if (Handle == IntPtr.Zero)
                {
                    int errorCode = Marshal.GetLastWin32Error();
                    throw new Exception(string.Format("Failed to load library (ErrorCode: {0})", errorCode));
                }

                EVRInitError error = EVRInitError.None;
                IntPtr ptr = OpenVR.Init(ref error, EVRApplicationType.VRApplication_Scene);
                if (error == EVRInitError.None)
                {
                    m_vrSystem = new CVRSystem(ptr);

                    uint sizeX=0,sizeY=0;
                    m_vrSystem.GetRecommendedRenderTargetSize(ref sizeX, ref sizeY);

                    m_vrSystem.SetDisplayVisibility(true);

                    ETrackedPropertyError pError=0;
                    m_ipd_2=0.5f*m_vrSystem.GetFloatTrackedDeviceProperty(0,ETrackedDeviceProperty.Prop_UserIpdMeters_Float,ref pError);
                    SetIPD(m_ipd_2*2);

                    IntPtr pointer = OpenVR.GetGenericInterface(OpenVR.IVRCompositor_Version, ref error);
                    if (error == EVRInitError.None)
                    {
                        m_vrCompositor = new CVRCompositor(pointer);
                        m_vrCompositor.CompositorBringToFront();
                        m_vrCompositor.ShowMirrorWindow();
                        m_openVR = this;
                    }
                    else
                    {
                        var errString = OpenVR.GetStringForHmdError(error);
                        Log.WriteLineAndConsole(errString);
                        Debug.Fail("No compositor interface");
                        throw new Exception(errString);
                    }
                }
                else
                {
                    var errString = OpenVR.GetStringForHmdError(error);
                    Log.WriteLineAndConsole(errString);
                    //Debug.Fail("OpenVR init failed");
                    throw new Exception(errString);
                }
                InitOverlays();
            }
        }
Exemplo n.º 20
0
 public void Clear()
 {
     m_pVRSystem = null;
     m_pVRChaperone = null;
     m_pVRChaperoneSetup = null;
     m_pVRCompositor = null;
     m_pVROverlay = null;
     m_pVRRenderModels = null;
     m_pVRExtendedDisplay = null;
     m_pVRSettings = null;
     m_pVRApplications = null;
 }
Exemplo n.º 21
0
        private void Update()
        {
            if (!SteamVR.active)
            {
                return;
            }
            this.UpdatePoses();
            CVRSystem system = OpenVR.System;

            if (system != null)
            {
                VREvent_t vrevent_t   = default(VREvent_t);
                uint      uncbVREvent = (uint)Marshal.SizeOf(typeof(VREvent_t));
                int       num         = 0;
                while (num < 64 && system.PollNextEvent(ref vrevent_t, uncbVREvent))
                {
                    EVREventType eventType = (EVREventType)vrevent_t.eventType;
                    if (eventType <= EVREventType.VREvent_InputFocusReleased)
                    {
                        if (eventType != EVREventType.VREvent_InputFocusCaptured)
                        {
                            if (eventType != EVREventType.VREvent_InputFocusReleased)
                            {
                                goto IL_CA;
                            }
                            if (vrevent_t.data.process.pid == 0u)
                            {
                                SteamVR_Events.InputFocus.Send(true);
                            }
                        }
                        else if (vrevent_t.data.process.oldPid == 0u)
                        {
                            SteamVR_Events.InputFocus.Send(false);
                        }
                    }
                    else if (eventType != EVREventType.VREvent_HideRenderModels)
                    {
                        if (eventType != EVREventType.VREvent_ShowRenderModels)
                        {
                            goto IL_CA;
                        }
                        SteamVR_Events.HideRenderModels.Send(false);
                    }
                    else
                    {
                        SteamVR_Events.HideRenderModels.Send(true);
                    }
IL_C4:
                    num++;
                    continue;
IL_CA:
                    SteamVR_Events.System((EVREventType)vrevent_t.eventType).Send(vrevent_t);
                    goto IL_C4;
                }
            }
            Application.targetFrameRate     = -1;
            Application.runInBackground     = true;
            QualitySettings.maxQueuedFrames = -1;
            QualitySettings.vSyncCount      = 0;
            if (SteamVR.settings.lockPhysicsUpdateRateToRenderFrequency && Time.timeScale > 0f)
            {
                SteamVR instance = SteamVR.instance;
                if (instance != null)
                {
                    Time.fixedDeltaTime = Time.timeScale / instance.hmd_DisplayFrequency;
                }
            }
        }
Exemplo n.º 22
0
 private static SteamVR CreateInstance()
 {
     SteamVR.initializedState = SteamVR.InitializedStates.Initializing;
     try
     {
         EVRInitError evrinitError = EVRInitError.None;
         OpenVR.GetGenericInterface("IVRCompositor_022", ref evrinitError);
         OpenVR.Init(ref evrinitError, EVRApplicationType.VRApplication_Scene, "");
         CVRSystem           system              = OpenVR.System;
         string              manifestFile        = SteamVR.GetManifestFile();
         EVRApplicationError evrapplicationError = OpenVR.Applications.AddApplicationManifest(manifestFile, true);
         if (evrapplicationError != EVRApplicationError.None)
         {
             UnityEngine.Debug.LogError("<b>[SteamVR_Standalone]</b> Error adding vr manifest file: " + evrapplicationError.ToString());
         }
         int id = Process.GetCurrentProcess().Id;
         OpenVR.Applications.IdentifyApplication((uint)id, SteamVR_Settings.instance.editorAppKey);
         UnityEngine.Debug.Log("Is HMD here? " + OpenVR.IsHmdPresent().ToString());
         if (evrinitError != EVRInitError.None)
         {
             SteamVR.initializedState = SteamVR.InitializedStates.InitializeFailure;
             SteamVR.ReportError(evrinitError);
             SteamVR.ReportGeneralErrors();
             SteamVR_Events.Initializing.Send(false);
             return(null);
         }
         OpenVR.GetGenericInterface("IVROverlay_021", ref evrinitError);
         if (evrinitError != EVRInitError.None)
         {
             SteamVR.initializedState = SteamVR.InitializedStates.InitializeFailure;
             SteamVR.ReportError(evrinitError);
             SteamVR_Events.Initializing.Send(false);
             return(null);
         }
         OpenVR.GetGenericInterface("IVRInput_007", ref evrinitError);
         if (evrinitError != EVRInitError.None)
         {
             SteamVR.initializedState = SteamVR.InitializedStates.InitializeFailure;
             SteamVR.ReportError(evrinitError);
             SteamVR_Events.Initializing.Send(false);
             return(null);
         }
         SteamVR.settings = SteamVR_Settings.instance;
         if (Application.isEditor)
         {
             SteamVR.IdentifyEditorApplication(true);
         }
         SteamVR_Input.IdentifyActionsFile(true);
         if (SteamVR_Settings.instance.inputUpdateMode != SteamVR_UpdateModes.Nothing || SteamVR_Settings.instance.poseUpdateMode != SteamVR_UpdateModes.Nothing)
         {
             SteamVR_Input.Initialize(false);
         }
     }
     catch (Exception arg)
     {
         UnityEngine.Debug.LogError("<b>[SteamVR_Standalone]</b> " + arg);
         SteamVR_Events.Initializing.Send(false);
         return(null);
     }
     SteamVR._enabled         = true;
     SteamVR.initializedState = SteamVR.InitializedStates.InitializeSuccess;
     SteamVR_Events.Initializing.Send(true);
     return(new SteamVR());
 }
Exemplo n.º 23
0
    private SteamVR(System.IntPtr pHmd, System.IntPtr pCompositor)
    {
        hmd = new CVRSystem(pHmd);
        Debug.Log("Connected to " + hmd_TrackingSystemName + ":" + hmd_SerialNumber);

        compositor = new CVRCompositor(pCompositor);

        var device = new UnityGraphicsDevice();
        GetUnityGraphicsDevice(ref device);
        switch (device.type)
        {
            case GfxDeviceRenderer.kGfxRendererD3D11:
                compositor.SetGraphicsDevice(Compositor_DeviceType.D3D11, device.ptr);
                break;
            case GfxDeviceRenderer.kGfxRendererOpenGL:
                compositor.SetGraphicsDevice(Compositor_DeviceType.OpenGL, device.ptr);
                break;
            default:
                throw new System.Exception("Unsupported device type.");
        }

        var capacity = compositor.GetLastError(null, 0);
        if (capacity > 1)
        {
            var result = new System.Text.StringBuilder((int)capacity);
            compositor.GetLastError(result, capacity);
            Debug.Log("Compositor - " + result);
        }

        // Register for a callback if our graphics device goes away, so we can properly clean up.
        var resetDelegate = new UnityResetDelegate(SteamVR.SafeDispose);
        callbackHandle = GCHandle.Alloc(resetDelegate);
        SetUnityResetCallback(Marshal.GetFunctionPointerForDelegate(resetDelegate));

        // Hook up the render thread present event just in case we wind up needing to use this.
        var error = HmdError.None;
        SetUnityRenderCallback(OpenVR.GetGenericInterface(IVRHmdDistortPresent_Version, ref error));

        // Setup render values
        uint w = 0, h = 0;
        hmd.GetRecommendedRenderTargetSize(ref w, ref h);
        sceneWidth = (float)w;
        sceneHeight = (float)h;

        float l_left = 0.0f, l_right = 0.0f, l_top = 0.0f, l_bottom = 0.0f;
        hmd.GetProjectionRaw(Hmd_Eye.Eye_Left, ref l_left, ref l_right, ref l_top, ref l_bottom);

        float r_left = 0.0f, r_right = 0.0f, r_top = 0.0f, r_bottom = 0.0f;
        hmd.GetProjectionRaw(Hmd_Eye.Eye_Right, ref r_left, ref r_right, ref r_top, ref r_bottom);

        tanHalfFov = new Vector2(
            Mathf.Max(-l_left, l_right, -r_left, r_right),
            Mathf.Max(-l_top, l_bottom, -r_top, r_bottom));

        textureBounds = new Compositor_TextureBounds[2];

        textureBounds[0].uMin = 0.5f + 0.5f * l_left / tanHalfFov.x;
        textureBounds[0].uMax = 0.5f + 0.5f * l_right / tanHalfFov.x;
        textureBounds[0].vMin = 0.5f + 0.5f * l_bottom / tanHalfFov.y;
        textureBounds[0].vMax = 0.5f + 0.5f * l_top / tanHalfFov.y;

        textureBounds[1].uMin = 0.5f + 0.5f * r_left / tanHalfFov.x;
        textureBounds[1].uMax = 0.5f + 0.5f * r_right / tanHalfFov.x;
        textureBounds[1].vMin = 0.5f + 0.5f * r_bottom / tanHalfFov.y;
        textureBounds[1].vMax = 0.5f + 0.5f * r_top / tanHalfFov.y;

        aspect = tanHalfFov.x / tanHalfFov.y;
        fieldOfView = 2.0f * Mathf.Atan(tanHalfFov.y) * Mathf.Rad2Deg;

        eyes = new SteamVR_Utils.RigidTransform[] {
            new SteamVR_Utils.RigidTransform(hmd.GetEyeToHeadTransform(Hmd_Eye.Eye_Left)),
            new SteamVR_Utils.RigidTransform(hmd.GetEyeToHeadTransform(Hmd_Eye.Eye_Right)) };

        SteamVR_Utils.Event.Listen("initializing", OnInitializing);
        SteamVR_Utils.Event.Listen("calibrating", OnCalibrating);
        SteamVR_Utils.Event.Listen("out_of_range", OnOutOfRange);
        SteamVR_Utils.Event.Listen("device_connected", OnDeviceConnected);
        SteamVR_Utils.Event.Listen("new_poses", OnNewPoses);
    }