예제 #1
0
    // Token: 0x06005F2C RID: 24364 RVA: 0x00215578 File Offset: 0x00213978
    private IEnumerator LoadLevel()
    {
        if (this.loadingScreen != null && this.loadingScreenDistance > 0f)
        {
            SteamVR_Controller.Device hmd = SteamVR_Controller.Input(0);
            while (!hmd.hasTracking)
            {
                yield return(null);
            }
            SteamVR_Utils.RigidTransform tloading = hmd.transform;
            tloading.rot  = Quaternion.Euler(0f, tloading.rot.eulerAngles.y, 0f);
            tloading.pos += tloading.rot * new Vector3(0f, 0f, this.loadingScreenDistance);
            Transform t = (!(this.loadingScreenTransform != null)) ? base.transform : this.loadingScreenTransform;
            t.position = tloading.pos;
            t.rotation = tloading.rot;
        }
        SteamVR_LoadLevel._active = this;
        SteamVR_Events.Loading.Send(true);
        if (this.loadingScreenFadeInTime > 0f)
        {
            this.fadeRate = 1f / this.loadingScreenFadeInTime;
        }
        else
        {
            this.alpha = 1f;
        }
        CVROverlay overlay = OpenVR.Overlay;

        if (this.loadingScreen != null && overlay != null)
        {
            this.loadingScreenOverlayHandle = this.GetOverlayHandle("loadingScreen", (!(this.loadingScreenTransform != null)) ? base.transform : this.loadingScreenTransform, this.loadingScreenWidthInMeters);
            if (this.loadingScreenOverlayHandle != 0UL)
            {
                Texture_t texture_t = default(Texture_t);
                texture_t.handle      = this.loadingScreen.GetNativeTexturePtr();
                texture_t.eType       = SteamVR.instance.textureType;
                texture_t.eColorSpace = EColorSpace.Auto;
                overlay.SetOverlayTexture(this.loadingScreenOverlayHandle, ref texture_t);
            }
        }
        bool fadedForeground = false;

        SteamVR_Events.LoadingFadeOut.Send(this.fadeOutTime);
        CVRCompositor compositor = OpenVR.Compositor;

        if (compositor != null)
        {
            if (this.front != null)
            {
                SteamVR_Skybox.SetOverride(this.front, this.back, this.left, this.right, this.top, this.bottom);
                compositor.FadeGrid(this.fadeOutTime, true);
                yield return(new WaitForSeconds(this.fadeOutTime));
            }
            else if (this.backgroundColor != Color.clear)
            {
                if (this.showGrid)
                {
                    compositor.FadeToColor(0f, this.backgroundColor.r, this.backgroundColor.g, this.backgroundColor.b, this.backgroundColor.a, true);
                    compositor.FadeGrid(this.fadeOutTime, true);
                    yield return(new WaitForSeconds(this.fadeOutTime));
                }
                else
                {
                    compositor.FadeToColor(this.fadeOutTime, this.backgroundColor.r, this.backgroundColor.g, this.backgroundColor.b, this.backgroundColor.a, false);
                    yield return(new WaitForSeconds(this.fadeOutTime + 0.1f));

                    compositor.FadeGrid(0f, true);
                    fadedForeground = true;
                }
            }
        }
        SteamVR_Render.pauseRendering = true;
        while (this.alpha < 1f)
        {
            yield return(null);
        }
        base.transform.parent = null;
        UnityEngine.Object.DontDestroyOnLoad(base.gameObject);
        if (!string.IsNullOrEmpty(this.internalProcessPath))
        {
            UnityEngine.Debug.Log("Launching external application...");
            CVRApplications applications = OpenVR.Applications;
            if (applications == null)
            {
                UnityEngine.Debug.Log("Failed to get OpenVR.Applications interface!");
            }
            else
            {
                string currentDirectory = Directory.GetCurrentDirectory();
                string text             = Path.Combine(currentDirectory, this.internalProcessPath);
                UnityEngine.Debug.Log("LaunchingInternalProcess");
                UnityEngine.Debug.Log("ExternalAppPath = " + this.internalProcessPath);
                UnityEngine.Debug.Log("FullPath = " + text);
                UnityEngine.Debug.Log("ExternalAppArgs = " + this.internalProcessArgs);
                UnityEngine.Debug.Log("WorkingDirectory = " + currentDirectory);
                EVRApplicationError evrapplicationError = applications.LaunchInternalProcess(text, this.internalProcessArgs, currentDirectory);
                UnityEngine.Debug.Log("LaunchInternalProcessError: " + evrapplicationError);
                Process.GetCurrentProcess().Kill();
            }
        }
        else
        {
            LoadSceneMode mode = (!this.loadAdditive) ? LoadSceneMode.Single : LoadSceneMode.Additive;
            if (this.loadAsync)
            {
                Application.backgroundLoadingPriority = ThreadPriority.Low;
                this.async = SceneManager.LoadSceneAsync(this.levelName, mode);
                while (!this.async.isDone)
                {
                    yield return(null);
                }
            }
            else
            {
                SceneManager.LoadScene(this.levelName, mode);
            }
        }
        yield return(null);

        GC.Collect();
        yield return(null);

        Shader.WarmupAllShaders();
        yield return(new WaitForSeconds(this.postLoadSettleTime));

        SteamVR_Render.pauseRendering = false;
        if (this.loadingScreenFadeOutTime > 0f)
        {
            this.fadeRate = -1f / this.loadingScreenFadeOutTime;
        }
        else
        {
            this.alpha = 0f;
        }
        SteamVR_Events.LoadingFadeIn.Send(this.fadeInTime);
        if (compositor != null)
        {
            if (fadedForeground)
            {
                compositor.FadeGrid(0f, false);
                compositor.FadeToColor(this.fadeInTime, 0f, 0f, 0f, 0f, false);
                yield return(new WaitForSeconds(this.fadeInTime));
            }
            else
            {
                compositor.FadeGrid(this.fadeInTime, false);
                yield return(new WaitForSeconds(this.fadeInTime));

                if (this.front != null)
                {
                    SteamVR_Skybox.ClearOverride();
                }
            }
        }
        while (this.alpha > 0f)
        {
            yield return(null);
        }
        if (overlay != null)
        {
            if (this.progressBarOverlayHandle != 0UL)
            {
                overlay.HideOverlay(this.progressBarOverlayHandle);
            }
            if (this.loadingScreenOverlayHandle != 0UL)
            {
                overlay.HideOverlay(this.loadingScreenOverlayHandle);
            }
        }
        UnityEngine.Object.Destroy(base.gameObject);
        SteamVR_LoadLevel._active = null;
        SteamVR_Events.Loading.Send(false);
        yield break;
    }
예제 #2
0
        public void InitRendering(UI ui)
        {
            lock (_drawLock)
            {
                if (ui == null)
                {
                    return;
                }
                _ui          = ui;
                ResizeRedraw = true;

                var initError = EVRInitError.None;

                system = OpenVR.Init(ref initError);

                if (initError != EVRInitError.None)
                {
                    throw new Exception("Not Available");
                }

                compositor = OpenVR.Compositor;

                compositor.CompositorBringToFront();
                compositor.FadeGrid(5.0f, false);

                count = OpenVR.k_unMaxTrackedDeviceCount;

                currentPoses = new TrackedDevicePose_t[count];
                nextPoses    = new TrackedDevicePose_t[count];

                controllers                    = new List <uint>();
                controllerModels               = new RenderModel_t[count];
                controllerTextures             = new RenderModel_TextureMap_t[count];
                controllerTextureViews         = new ShaderResourceView[count];
                controllerVertexBuffers        = new SharpDX.Direct3D11.Buffer[count];
                controllerIndexBuffers         = new SharpDX.Direct3D11.Buffer[count];
                controllerVertexBufferBindings = new VertexBufferBinding[count];

                for (uint device = 0; device < count; device++)
                {
                    var deviceClass = system.GetTrackedDeviceClass(device);

                    switch (deviceClass)
                    {
                    case ETrackedDeviceClass.HMD:
                        headset = device;
                        break;

                    case ETrackedDeviceClass.Controller:
                        controllers.Add(device);
                        break;
                    }
                }

                uint width  = 0;
                uint height = 0;

                system.GetRecommendedRenderTargetSize(ref width, ref height);

                headsetSize = new Size((int)width, (int)height);
                windowSize  = new Size(UI.GameWidth, UI.GameHeight);

                leftEyeProjection  = Convert(system.GetProjectionMatrix(EVREye.Eye_Left, 0.01f, 1000.0f));
                rightEyeProjection = Convert(system.GetProjectionMatrix(EVREye.Eye_Right, 0.01f, 1000.0f));

                leftEyeView  = Convert(system.GetEyeToHeadTransform(EVREye.Eye_Left));
                rightEyeView = Convert(system.GetEyeToHeadTransform(EVREye.Eye_Right));

                foreach (var controller in controllers)
                {
                    var modelName     = new StringBuilder(255, 255);
                    var propertyError = ETrackedPropertyError.TrackedProp_Success;

                    var length = system.GetStringTrackedDeviceProperty(controller, ETrackedDeviceProperty.Prop_RenderModelName_String, modelName, 255, ref propertyError);

                    if (propertyError == ETrackedPropertyError.TrackedProp_Success)
                    {
                        var modelName2 = modelName.ToString();

                        while (true)
                        {
                            var pointer    = IntPtr.Zero;
                            var modelError = EVRRenderModelError.None;

                            modelError = OpenVR.RenderModels.LoadRenderModel_Async(modelName2, ref pointer);

                            if (modelError == EVRRenderModelError.Loading)
                            {
                                continue;
                            }

                            if (modelError == EVRRenderModelError.None)
                            {
                                var renderModel = System.Runtime.InteropServices.Marshal.PtrToStructure <RenderModel_t>(pointer);

                                controllerModels[controller] = renderModel;
                                break;
                            }
                        }

                        while (true)
                        {
                            var pointer      = IntPtr.Zero;
                            var textureError = EVRRenderModelError.None;

                            textureError = OpenVR.RenderModels.LoadTexture_Async(controllerModels[controller].diffuseTextureId, ref pointer);

                            if (textureError == EVRRenderModelError.Loading)
                            {
                                continue;
                            }

                            if (textureError == EVRRenderModelError.None)
                            {
                                var texture = System.Runtime.InteropServices.Marshal.PtrToStructure <RenderModel_TextureMap_t>(pointer);

                                controllerTextures[controller] = texture;
                                break;
                            }
                        }
                    }
                }

                int adapterIndex = 0;

                system.GetDXGIOutputInfo(ref adapterIndex);

                using (var factory = new SharpDX.DXGI.Factory4())
                {
                    var adapter = factory.GetAdapter(adapterIndex);

                    var swapChainDescription = new SwapChainDescription
                    {
                        BufferCount     = 1,
                        Flags           = SwapChainFlags.None,
                        IsWindowed      = true,
                        ModeDescription = new ModeDescription
                        {
                            Format      = Format.B8G8R8A8_UNorm,
                            Width       = windowSize.Width,
                            Height      = windowSize.Height,
                            RefreshRate = new Rational(60, 1)
                        },
                        OutputHandle      = this.Handle,
                        SampleDescription = new SampleDescription(1, 0),
                        SwapEffect        = SwapEffect.Discard,
                        Usage             = Usage.RenderTargetOutput
                    };

                    SharpDX.Direct3D11.Device.CreateWithSwapChain(adapter, DeviceCreationFlags.None, swapChainDescription, out device, out swapChain);

                    factory.MakeWindowAssociation(this.Handle, WindowAssociationFlags.None);

                    context = device.ImmediateContext;

                    using (var backBuffer = swapChain.GetBackBuffer <Texture2D>(0))
                        backBufferView = new RenderTargetView(device, backBuffer);

                    var depthBufferDescription = new Texture2DDescription
                    {
                        Format            = Format.D16_UNorm,
                        ArraySize         = 1,
                        MipLevels         = 1,
                        Width             = windowSize.Width,
                        Height            = windowSize.Height,
                        SampleDescription = new SampleDescription(1, 0),
                        Usage             = ResourceUsage.Default,
                        BindFlags         = BindFlags.DepthStencil,
                        CpuAccessFlags    = CpuAccessFlags.None,
                        OptionFlags       = ResourceOptionFlags.None
                    };

                    using (var depthBuffer = new Texture2D(device, depthBufferDescription))
                        depthStencilView = new DepthStencilView(device, depthBuffer);

                    // Create Eye Textures
                    var eyeTextureDescription = new Texture2DDescription
                    {
                        ArraySize         = 1,
                        BindFlags         = BindFlags.RenderTarget,
                        CpuAccessFlags    = CpuAccessFlags.None,
                        Format            = Format.B8G8R8A8_UNorm,
                        Width             = headsetSize.Width,
                        Height            = headsetSize.Height,
                        MipLevels         = 1,
                        OptionFlags       = ResourceOptionFlags.None,
                        SampleDescription = new SampleDescription(1, 0),
                        Usage             = ResourceUsage.Default
                    };

                    leftEyeTexture  = new Texture2D(device, eyeTextureDescription);
                    rightEyeTexture = new Texture2D(device, eyeTextureDescription);

                    leftEyeTextureView  = new RenderTargetView(device, leftEyeTexture);
                    rightEyeTextureView = new RenderTargetView(device, rightEyeTexture);

                    // Create Eye Depth Buffer
                    eyeTextureDescription.BindFlags = BindFlags.DepthStencil;
                    eyeTextureDescription.Format    = Format.D32_Float;

                    eyeDepth     = new Texture2D(device, eyeTextureDescription);
                    eyeDepthView = new DepthStencilView(device, eyeDepth);

                    Shapes.Cube.Load(device);
                    Shapes.Sphere.Load(device);
                    Shaders.Normal.Load(device);
                    Shaders.NormalTexture.Load(device);

                    // Load Controller Models
                    foreach (var controller in controllers)
                    {
                        var model = controllerModels[controller];

                        controllerVertexBuffers[controller] = new SharpDX.Direct3D11.Buffer(device, model.rVertexData, new BufferDescription
                        {
                            BindFlags   = BindFlags.VertexBuffer,
                            SizeInBytes = (int)model.unVertexCount * 32
                        });

                        controllerVertexBufferBindings[controller] = new VertexBufferBinding(controllerVertexBuffers[controller], 32, 0);

                        controllerIndexBuffers[controller] = new SharpDX.Direct3D11.Buffer(device, model.rIndexData, new BufferDescription
                        {
                            BindFlags   = BindFlags.IndexBuffer,
                            SizeInBytes = (int)model.unTriangleCount * 3 * 2
                        });

                        var texture = controllerTextures[controller];

                        using (var texture2d = new Texture2D(device, new Texture2DDescription
                        {
                            ArraySize = 1,
                            BindFlags = BindFlags.ShaderResource,
                            Format = Format.R8G8B8A8_UNorm,
                            Width = texture.unWidth,
                            Height = texture.unHeight,
                            MipLevels = 1,
                            SampleDescription = new SampleDescription(1, 0)
                        }, new DataRectangle(texture.rubTextureMapData, texture.unWidth * 4)))
                            controllerTextureViews[controller] = new ShaderResourceView(device, texture2d);
                    }

                    shaderParameterBuffer = new SharpDX.Direct3D11.Buffer(device, Utilities.SizeOf <Shaders.Parameters>(), ResourceUsage.Default, BindFlags.ConstantBuffer, CpuAccessFlags.None, ResourceOptionFlags.None, 0);

                    var rasterizerStateDescription = RasterizerStateDescription.Default();
                    //rasterizerStateDescription.FillMode = FillMode.Wireframe;
                    rasterizerStateDescription.IsFrontCounterClockwise = true;
                    //rasterizerStateDescription.CullMode = CullMode.None;

                    rasterizerState = new RasterizerState(device, rasterizerStateDescription);

                    var blendStateDescription = BlendStateDescription.Default();

                    blendStateDescription.RenderTarget[0].BlendOperation   = BlendOperation.Add;
                    blendStateDescription.RenderTarget[0].SourceBlend      = BlendOption.SourceAlpha;
                    blendStateDescription.RenderTarget[0].DestinationBlend = BlendOption.InverseSourceAlpha;

                    blendStateDescription.RenderTarget[0].IsBlendEnabled = false;

                    blendState = new BlendState(device, blendStateDescription);

                    var depthStateDescription = DepthStencilStateDescription.Default();

                    depthStateDescription.DepthComparison  = Comparison.LessEqual;
                    depthStateDescription.IsDepthEnabled   = true;
                    depthStateDescription.IsStencilEnabled = false;

                    depthStencilState = new DepthStencilState(device, depthStateDescription);

                    var samplerStateDescription = SamplerStateDescription.Default();

                    samplerStateDescription.Filter   = Filter.MinMagMipLinear;
                    samplerStateDescription.AddressU = TextureAddressMode.Wrap;
                    samplerStateDescription.AddressV = TextureAddressMode.Wrap;

                    samplerState = new SamplerState(device, samplerStateDescription);

                    startTime = DateTime.Now;
                    frame     = 0;
                    //windowSize = ClientSize;

                    backgroundColor = new RawColor4(0.1f, 0.1f, 0.1f, 1);

                    head = Matrix.Identity;

                    _ui.ready = true;
                }
            }
        }
예제 #3
0
        internal static void Enable()
        {
            var initError = EVRInitError.None;

            System = OpenVR.Init(ref initError);

            if (initError != EVRInitError.None)
            {
                return;
            }

            Compositor = OpenVR.Compositor;

            Compositor.CompositorBringToFront();
            Compositor.FadeGrid(5.0f, false);

            var count = OpenVR.k_unMaxTrackedDeviceCount;

            CurrentPoses = new TrackedDevicePose_t[count];
            NextPoses    = new TrackedDevicePose_t[count];

            Controllers                    = new List <uint>();
            ControllerModels               = new RenderModel_t[count];
            ControllerTextures             = new RenderModel_TextureMap_t[count];
            ControllerTextureViews         = new ShaderResourceView[count];
            ControllerVertexBuffers        = new SharpDX.Direct3D11.Buffer[count];
            ControllerIndexBuffers         = new SharpDX.Direct3D11.Buffer[count];
            ControllerVertexBufferBindings = new VertexBufferBinding[count];
            ControllerEmitters             = new Emitter[count];
            ControllerVoices               = new SourceVoice[count];

            for (uint device = 0; device < count; device++)
            {
                var deviceClass = System.GetTrackedDeviceClass(device);

                switch (deviceClass)
                {
                case ETrackedDeviceClass.HMD:
                    Headset = device;
                    break;

                case ETrackedDeviceClass.Controller:
                    Controllers.Add(device);
                    break;
                }
            }

            uint width  = 0;
            uint height = 0;

            System.GetRecommendedRenderTargetSize(ref width, ref height);

            headsetSize = new Size((int)width, (int)height);
            windowSize  = new Size(960, 540);

            var leftEyeProjection  = Convert(System.GetProjectionMatrix(EVREye.Eye_Left, 0.01f, 1000.0f));
            var rightEyeProjection = Convert(System.GetProjectionMatrix(EVREye.Eye_Right, 0.01f, 1000.0f));

            var leftEyeView  = Convert(System.GetEyeToHeadTransform(EVREye.Eye_Left));
            var rightEyeView = Convert(System.GetEyeToHeadTransform(EVREye.Eye_Right));

            foreach (var controller in Controllers)
            {
                var modelName     = new StringBuilder(255, 255);
                var propertyError = ETrackedPropertyError.TrackedProp_Success;

                var length = System.GetStringTrackedDeviceProperty(controller, ETrackedDeviceProperty.Prop_RenderModelName_String, modelName, 255, ref propertyError);

                if (propertyError == ETrackedPropertyError.TrackedProp_Success)
                {
                    var modelName2 = modelName.ToString();

                    while (true)
                    {
                        var pointer    = IntPtr.Zero;
                        var modelError = EVRRenderModelError.None;

                        modelError = OpenVR.RenderModels.LoadRenderModel_Async(modelName2, ref pointer);

                        if (modelError == EVRRenderModelError.Loading)
                        {
                            continue;
                        }

                        if (modelError == EVRRenderModelError.None)
                        {
                            var renderModel = global::System.Runtime.InteropServices.Marshal.PtrToStructure <RenderModel_t>(pointer);

                            ControllerModels[controller] = renderModel;
                            break;
                        }
                    }

                    while (true)
                    {
                        var pointer      = IntPtr.Zero;
                        var textureError = EVRRenderModelError.None;

                        textureError = OpenVR.RenderModels.LoadTexture_Async(ControllerModels[controller].diffuseTextureId, ref pointer);

                        if (textureError == EVRRenderModelError.Loading)
                        {
                            continue;
                        }

                        if (textureError == EVRRenderModelError.None)
                        {
                            var texture = global::System.Runtime.InteropServices.Marshal.PtrToStructure <RenderModel_TextureMap_t>(pointer);

                            ControllerTextures[controller] = texture;
                            break;
                        }
                    }
                }
            }

            int adapterIndex = 0;

            System.GetDXGIOutputInfo(ref adapterIndex);

            Thread = new Thread(Run);
            Thread.Start();
        }
예제 #4
0
        static void Main()
        {
            var initError = EVRInitError.None;

            system = OpenVR.Init(ref initError);

            if (initError != EVRInitError.None)
            {
                return;
            }

            compositor = OpenVR.Compositor;

            compositor.CompositorBringToFront();
            compositor.FadeGrid(5.0f, false);

            count = OpenVR.k_unMaxTrackedDeviceCount;

            currentPoses = new TrackedDevicePose_t[count];
            nextPoses    = new TrackedDevicePose_t[count];

            controllers                    = new List <uint>();
            controllerModels               = new RenderModel_t[count];
            controllerTextures             = new RenderModel_TextureMap_t[count];
            controllerTextureViews         = new ShaderResourceView[count];
            controllerVertexBuffers        = new SharpDX.Direct3D11.Buffer[count];
            controllerIndexBuffers         = new SharpDX.Direct3D11.Buffer[count];
            controllerVertexBufferBindings = new VertexBufferBinding[count];

            for (uint device = 0; device < count; device++)
            {
                var deviceClass = system.GetTrackedDeviceClass(device);

                switch (deviceClass)
                {
                case ETrackedDeviceClass.HMD:
                    headset = device;
                    break;

                case ETrackedDeviceClass.Controller:
                    controllers.Add(device);
                    break;
                }
            }

            uint width  = 0;
            uint height = 0;

            system.GetRecommendedRenderTargetSize(ref width, ref height);

            headsetSize = new Size((int)width, (int)height);
            windowSize  = new Size(960, 540);

            var leftEyeProjection  = Convert(system.GetProjectionMatrix(EVREye.Eye_Left, 0.01f, 1000.0f));
            var rightEyeProjection = Convert(system.GetProjectionMatrix(EVREye.Eye_Right, 0.01f, 1000.0f));

            var leftEyeView  = Convert(system.GetEyeToHeadTransform(EVREye.Eye_Left));
            var rightEyeView = Convert(system.GetEyeToHeadTransform(EVREye.Eye_Right));

            foreach (var controller in controllers)
            {
                var modelName     = new StringBuilder(255, 255);
                var propertyError = ETrackedPropertyError.TrackedProp_Success;

                var length = system.GetStringTrackedDeviceProperty(controller, ETrackedDeviceProperty.Prop_RenderModelName_String, modelName, 255, ref propertyError);

                if (propertyError == ETrackedPropertyError.TrackedProp_Success)
                {
                    var modelName2 = modelName.ToString();

                    while (true)
                    {
                        var pointer    = IntPtr.Zero;
                        var modelError = EVRRenderModelError.None;

                        modelError = OpenVR.RenderModels.LoadRenderModel_Async(modelName2, ref pointer);

                        if (modelError == EVRRenderModelError.Loading)
                        {
                            continue;
                        }

                        if (modelError == EVRRenderModelError.None)
                        {
                            var renderModel = System.Runtime.InteropServices.Marshal.PtrToStructure <RenderModel_t>(pointer);

                            controllerModels[controller] = renderModel;
                            break;
                        }
                    }

                    while (true)
                    {
                        var pointer      = IntPtr.Zero;
                        var textureError = EVRRenderModelError.None;

                        textureError = OpenVR.RenderModels.LoadTexture_Async(controllerModels[controller].diffuseTextureId, ref pointer);

                        if (textureError == EVRRenderModelError.Loading)
                        {
                            continue;
                        }

                        if (textureError == EVRRenderModelError.None)
                        {
                            var texture = System.Runtime.InteropServices.Marshal.PtrToStructure <RenderModel_TextureMap_t>(pointer);

                            controllerTextures[controller] = texture;
                            break;
                        }
                    }
                }
            }

            int adapterIndex = 0;

            system.GetDXGIOutputInfo(ref adapterIndex);

            using (var form = new Form())
                using (var factory = new Factory4())
                {
                    form.ClientSize = windowSize;

                    var adapter = factory.GetAdapter(adapterIndex);

                    var swapChainDescription = new SwapChainDescription
                    {
                        BufferCount     = 1,
                        Flags           = SwapChainFlags.None,
                        IsWindowed      = true,
                        ModeDescription = new ModeDescription
                        {
                            Format      = Format.B8G8R8A8_UNorm,
                            Width       = form.ClientSize.Width,
                            Height      = form.ClientSize.Height,
                            RefreshRate = new Rational(60, 1)
                        },
                        OutputHandle      = form.Handle,
                        SampleDescription = new SampleDescription(1, 0),
                        SwapEffect        = SwapEffect.Discard,
                        Usage             = Usage.RenderTargetOutput
                    };

                    SharpDX.Direct3D11.Device.CreateWithSwapChain(adapter, DeviceCreationFlags.None, swapChainDescription, out device, out swapChain);

                    factory.MakeWindowAssociation(form.Handle, WindowAssociationFlags.None);

                    context = device.ImmediateContext;

                    using (var backBuffer = swapChain.GetBackBuffer <Texture2D>(0))
                        backBufferView = new RenderTargetView(device, backBuffer);

                    var depthBufferDescription = new Texture2DDescription
                    {
                        Format            = Format.D16_UNorm,
                        ArraySize         = 1,
                        MipLevels         = 1,
                        Width             = form.ClientSize.Width,
                        Height            = form.ClientSize.Height,
                        SampleDescription = new SampleDescription(1, 0),
                        Usage             = ResourceUsage.Default,
                        BindFlags         = BindFlags.DepthStencil,
                        CpuAccessFlags    = CpuAccessFlags.None,
                        OptionFlags       = ResourceOptionFlags.None
                    };

                    using (var depthBuffer = new Texture2D(device, depthBufferDescription))
                        depthStencilView = new DepthStencilView(device, depthBuffer);

                    // Create Eye Textures
                    var eyeTextureDescription = new Texture2DDescription
                    {
                        ArraySize         = 1,
                        BindFlags         = BindFlags.RenderTarget,
                        CpuAccessFlags    = CpuAccessFlags.None,
                        Format            = Format.B8G8R8A8_UNorm,
                        Width             = headsetSize.Width,
                        Height            = headsetSize.Height,
                        MipLevels         = 1,
                        OptionFlags       = ResourceOptionFlags.None,
                        SampleDescription = new SampleDescription(1, 0),
                        Usage             = ResourceUsage.Default
                    };

                    var leftEyeTexture  = new Texture2D(device, eyeTextureDescription);
                    var rightEyeTexture = new Texture2D(device, eyeTextureDescription);

                    var leftEyeTextureView  = new RenderTargetView(device, leftEyeTexture);
                    var rightEyeTextureView = new RenderTargetView(device, rightEyeTexture);

                    // Create Eye Depth Buffer
                    eyeTextureDescription.BindFlags = BindFlags.DepthStencil;
                    eyeTextureDescription.Format    = Format.D32_Float;

                    var eyeDepth     = new Texture2D(device, eyeTextureDescription);
                    var eyeDepthView = new DepthStencilView(device, eyeDepth);

                    Shapes.Cube.Load(device);
                    Shapes.Sphere.Load(device);
                    Shaders.Position.Load(device);
                    Shaders.Normal.Load(device);
                    Shaders.NormalTexture.Load(device);

                    // Load Controller Models
                    foreach (var controller in controllers)
                    {
                        var model = controllerModels[controller];

                        controllerVertexBuffers[controller] = new SharpDX.Direct3D11.Buffer(device, model.rVertexData, new BufferDescription
                        {
                            BindFlags   = BindFlags.VertexBuffer,
                            SizeInBytes = (int)model.unVertexCount * 32
                        });

                        controllerVertexBufferBindings[controller] = new VertexBufferBinding(controllerVertexBuffers[controller], 32, 0);

                        controllerIndexBuffers[controller] = new SharpDX.Direct3D11.Buffer(device, model.rIndexData, new BufferDescription
                        {
                            BindFlags   = BindFlags.IndexBuffer,
                            SizeInBytes = (int)model.unTriangleCount * 3 * 2
                        });

                        var texture = controllerTextures[controller];

                        using (var texture2d = new Texture2D(device, new Texture2DDescription
                        {
                            ArraySize = 1,
                            BindFlags = BindFlags.ShaderResource,
                            Format = Format.R8G8B8A8_UNorm,
                            Width = texture.unWidth,
                            Height = texture.unHeight,
                            MipLevels = 1,
                            SampleDescription = new SampleDescription(1, 0)
                        }, new DataRectangle(texture.rubTextureMapData, texture.unWidth * 4)))
                            controllerTextureViews[controller] = new ShaderResourceView(device, texture2d);
                    }

                    worldViewProjectionBuffer = new SharpDX.Direct3D11.Buffer(device, Utilities.SizeOf <Matrix>(), ResourceUsage.Default, BindFlags.ConstantBuffer, CpuAccessFlags.None, ResourceOptionFlags.None, 0);

                    var rasterizerStateDescription = RasterizerStateDescription.Default();
                    //rasterizerStateDescription.FillMode = FillMode.Wireframe;
                    rasterizerStateDescription.IsFrontCounterClockwise = true;
                    //rasterizerStateDescription.CullMode = CullMode.None;

                    rasterizerState = new RasterizerState(device, rasterizerStateDescription);

                    var blendStateDescription = BlendStateDescription.Default();

                    blendStateDescription.RenderTarget[0].BlendOperation   = BlendOperation.Add;
                    blendStateDescription.RenderTarget[0].SourceBlend      = BlendOption.SourceAlpha;
                    blendStateDescription.RenderTarget[0].DestinationBlend = BlendOption.InverseSourceAlpha;

                    blendStateDescription.RenderTarget[0].IsBlendEnabled = false;

                    blendState = new BlendState(device, blendStateDescription);

                    var depthStateDescription = DepthStencilStateDescription.Default();

                    depthStateDescription.DepthComparison  = Comparison.LessEqual;
                    depthStateDescription.IsDepthEnabled   = true;
                    depthStateDescription.IsStencilEnabled = false;

                    depthStencilState = new DepthStencilState(device, depthStateDescription);

                    var samplerStateDescription = SamplerStateDescription.Default();

                    samplerStateDescription.Filter   = Filter.MinMagMipLinear;
                    samplerStateDescription.AddressU = TextureAddressMode.Wrap;
                    samplerStateDescription.AddressV = TextureAddressMode.Wrap;

                    samplerState = new SamplerState(device, samplerStateDescription);

                    startTime  = DateTime.Now;
                    frame      = 0;
                    windowSize = form.ClientSize;

                    backgroundColor = new RawColor4(0.1f, 0.1f, 0.1f, 1);

                    var vrEvent   = new VREvent_t();
                    var eventSize = (uint)Utilities.SizeOf <VREvent_t>();

                    head = Matrix.Identity;

                    // Initialize Audio
                    var audioSamples = 1024;

                    var audioDevices = DirectSoundCapture.GetDevices();

                    //var audioCapture = new DirectSoundCapture(devices.OrderByDescending(d => d.Description.Contains("Mic")).First().DriverGuid);
                    var audioCapture = new DirectSoundCapture(audioDevices.OrderByDescending(d => d.Description.Contains("Mix")).First().DriverGuid);

                    var audioFormat = new WaveFormat();
                    var audioLength = audioFormat.ConvertLatencyToByteSize(24);

                    var audioData     = new byte[audioLength];
                    var audioPosition = 0;

                    var leftWaveForm  = new float[1024 * 8];
                    var rightWaveForm = new float[1024 * 8];

                    for (var sample = 0; sample < 1024; sample++)
                    {
                        leftWaveForm[(sample * 8) + 0]  = -1.0f + ((float)sample / 512.0f);
                        rightWaveForm[(sample * 8) + 0] = -1.0f + ((float)sample / 512.0f);
                    }

                    var audioBuffer = new CaptureBuffer(audioCapture, new CaptureBufferDescription
                    {
                        BufferBytes = audioLength,
                        Format      = audioFormat
                    });

                    audioBuffer.Start(true);

                    var waveFormBufferDescription = new BufferDescription
                    {
                        BindFlags      = BindFlags.VertexBuffer,
                        SizeInBytes    = leftWaveForm.Length * sizeof(float),
                        CpuAccessFlags = CpuAccessFlags.Write,
                        Usage          = ResourceUsage.Dynamic
                    };

                    var leftWaveFormVertexBuffer  = SharpDX.Direct3D11.Buffer.Create(device, leftWaveForm, waveFormBufferDescription);
                    var rightWaveFormVertexBuffer = SharpDX.Direct3D11.Buffer.Create(device, rightWaveForm, waveFormBufferDescription);

                    var leftWaveFormVertexBufferBinding  = new VertexBufferBinding(leftWaveFormVertexBuffer, 8 * sizeof(float), 0);
                    var rightWaveFormVertexBufferBinding = new VertexBufferBinding(rightWaveFormVertexBuffer, 8 * sizeof(float), 0);

                    RenderLoop.Run(form, () =>
                    {
                        if (audioBuffer.CurrentCapturePosition != audioBuffer.CurrentRealPosition)
                        {
                            audioBuffer.Read(audioData, 0, audioData.Length, 0, LockFlags.None);

                            for (var sample = 0; sample < 1024; sample++)
                            {
                                leftWaveForm[(sample * 8) + 1]  = -BitConverter.ToInt16(audioData, sample * 4) / (float)short.MinValue;
                                rightWaveForm[(sample * 8) + 1] = -BitConverter.ToInt16(audioData, (sample * 4) + 2) / (float)short.MinValue;
                            }

                            DataStream stream;

                            context.MapSubresource(leftWaveFormVertexBuffer, 0, MapMode.WriteDiscard, SharpDX.Direct3D11.MapFlags.None, out stream);

                            stream.WriteRange(leftWaveForm);

                            context.UnmapSubresource(leftWaveFormVertexBuffer, 0);

                            stream.Dispose();

                            context.MapSubresource(rightWaveFormVertexBuffer, 0, MapMode.WriteDiscard, SharpDX.Direct3D11.MapFlags.None, out stream);

                            stream.WriteRange(rightWaveForm);

                            context.UnmapSubresource(rightWaveFormVertexBuffer, 0);

                            stream.Dispose();
                        }

                        audioPosition += 8;

                        if (audioPosition >= leftWaveForm.Length)
                        {
                            audioPosition = 0;
                        }

                        while (system.PollNextEvent(ref vrEvent, eventSize))
                        {
                            switch ((EVREventType)vrEvent.eventType)
                            {
                            case EVREventType.VREvent_TrackedDeviceActivated:
                                var controller = vrEvent.trackedDeviceIndex;

                                controllers.Add(controller);

                                var modelName     = new StringBuilder(255, 255);
                                var propertyError = ETrackedPropertyError.TrackedProp_Success;

                                var length = system.GetStringTrackedDeviceProperty(controller, ETrackedDeviceProperty.Prop_RenderModelName_String, modelName, 255, ref propertyError);

                                if (propertyError == ETrackedPropertyError.TrackedProp_Success)
                                {
                                    var modelName2 = modelName.ToString();

                                    while (true)
                                    {
                                        var pointer    = IntPtr.Zero;
                                        var modelError = EVRRenderModelError.None;

                                        modelError = OpenVR.RenderModels.LoadRenderModel_Async(modelName2, ref pointer);

                                        if (modelError == EVRRenderModelError.Loading)
                                        {
                                            continue;
                                        }

                                        if (modelError == EVRRenderModelError.None)
                                        {
                                            var renderModel = System.Runtime.InteropServices.Marshal.PtrToStructure <RenderModel_t>(pointer);

                                            controllerModels[controller] = renderModel;

                                            // Load Controller Model
                                            var model = controllerModels[controller];

                                            controllerVertexBuffers[controller] = new SharpDX.Direct3D11.Buffer(device, model.rVertexData, new BufferDescription
                                            {
                                                BindFlags   = BindFlags.VertexBuffer,
                                                SizeInBytes = (int)model.unVertexCount * 32
                                            });

                                            controllerVertexBufferBindings[controller] = new VertexBufferBinding(controllerVertexBuffers[controller], 32, 0);

                                            controllerIndexBuffers[controller] = new SharpDX.Direct3D11.Buffer(device, model.rIndexData, new BufferDescription
                                            {
                                                BindFlags   = BindFlags.IndexBuffer,
                                                SizeInBytes = (int)model.unTriangleCount * 3 * 2
                                            });

                                            break;
                                        }
                                    }

                                    while (true)
                                    {
                                        var pointer      = IntPtr.Zero;
                                        var textureError = EVRRenderModelError.None;

                                        textureError = OpenVR.RenderModels.LoadTexture_Async(controllerModels[controller].diffuseTextureId, ref pointer);

                                        if (textureError == EVRRenderModelError.Loading)
                                        {
                                            continue;
                                        }

                                        if (textureError == EVRRenderModelError.None)
                                        {
                                            var textureMap = System.Runtime.InteropServices.Marshal.PtrToStructure <RenderModel_TextureMap_t>(pointer);

                                            controllerTextures[controller] = textureMap;

                                            using (var texture2d = new Texture2D(device, new Texture2DDescription
                                            {
                                                ArraySize = 1,
                                                BindFlags = BindFlags.ShaderResource,
                                                Format = Format.R8G8B8A8_UNorm,
                                                Width = textureMap.unWidth,
                                                Height = textureMap.unHeight,
                                                MipLevels = 1,
                                                SampleDescription = new SampleDescription(1, 0)
                                            }, new DataRectangle(textureMap.rubTextureMapData, textureMap.unWidth * 4)))
                                                controllerTextureViews[controller] = new ShaderResourceView(device, texture2d);

                                            break;
                                        }
                                    }
                                }
                                break;

                            case EVREventType.VREvent_TrackedDeviceDeactivated:
                                controllers.RemoveAll(c => c == vrEvent.trackedDeviceIndex);
                                break;

                            default:
                                System.Diagnostics.Debug.WriteLine((EVREventType)vrEvent.eventType);
                                break;
                            }
                        }

                        if (form.ClientSize != windowSize)
                        {
                            Utilities.Dispose(ref backBufferView);

                            if (form.ClientSize.Width != 0 && form.ClientSize.Height != 0)
                            {
                                swapChain.ResizeBuffers(1, form.ClientSize.Width, form.ClientSize.Height, Format.B8G8R8A8_UNorm, SwapChainFlags.None);

                                using (var backBuffer = swapChain.GetBackBuffer <Texture2D>(0))
                                    backBufferView = new RenderTargetView(device, backBuffer);
                            }

                            windowSize = form.ClientSize;
                        }

                        // Update Device Tracking
                        compositor.WaitGetPoses(currentPoses, nextPoses);

                        if (currentPoses[headset].bPoseIsValid)
                        {
                            Convert(ref currentPoses[headset].mDeviceToAbsoluteTracking, ref head);
                        }

                        foreach (var controller in controllers)
                        {
                            var controllerMatrix = Matrix.Identity;

                            Convert(ref currentPoses[controller].mDeviceToAbsoluteTracking, ref controllerMatrix);
                        }

                        // Render Left Eye
                        context.Rasterizer.SetViewport(0, 0, headsetSize.Width, headsetSize.Height);
                        context.OutputMerger.SetTargets(eyeDepthView, leftEyeTextureView);
                        context.OutputMerger.SetDepthStencilState(depthStencilState);

                        context.ClearRenderTargetView(leftEyeTextureView, backgroundColor);
                        context.ClearDepthStencilView(eyeDepthView, DepthStencilClearFlags.Depth, 1.0f, 0);

                        Shaders.Normal.Apply(context);

                        context.Rasterizer.State = rasterizerState;

                        context.OutputMerger.SetBlendState(blendState);
                        context.OutputMerger.SetDepthStencilState(depthStencilState);

                        context.PixelShader.SetSampler(0, samplerState);

                        var ratio = (float)headsetSize.Width / (float)headsetSize.Height;

                        var projection = leftEyeProjection;
                        var view       = Matrix.Invert(leftEyeView * head);
                        var world      = Matrix.Scaling(1.0f + (Math.Abs(leftWaveForm[audioPosition + 1]) * 0.1f)) * Matrix.Translation(0, 1.0f, 0);

                        worldViewProjection = world * view * projection;

                        context.UpdateSubresource(ref worldViewProjection, worldViewProjectionBuffer);

                        context.VertexShader.SetConstantBuffer(0, worldViewProjectionBuffer);

                        //Shapes.Cube.Begin(context);
                        //Shapes.Cube.Draw(context);

                        Shapes.Sphere.Begin(context);
                        Shapes.Sphere.Draw(context);

                        // Draw Controllers
                        context.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;

                        Shaders.NormalTexture.Apply(context);

                        context.PixelShader.SetSampler(0, samplerState);

                        foreach (var controller in controllers)
                        {
                            context.InputAssembler.SetVertexBuffers(0, controllerVertexBufferBindings[controller]);
                            context.InputAssembler.SetIndexBuffer(controllerIndexBuffers[controller], Format.R16_UInt, 0);

                            context.PixelShader.SetShaderResource(0, controllerTextureViews[controller]);

                            Convert(ref currentPoses[controller].mDeviceToAbsoluteTracking, ref world);

                            world = Matrix.Scaling(1.0f + (Math.Abs(leftWaveForm[audioPosition + 1]) * 0.5f)) * world;

                            worldViewProjection = world * view * projection;

                            context.UpdateSubresource(ref worldViewProjection, worldViewProjectionBuffer);

                            context.VertexShader.SetConstantBuffer(0, worldViewProjectionBuffer);

                            context.DrawIndexed((int)controllerModels[controller].unTriangleCount * 3 * 4, 0, 0);
                        }

                        // Draw Waveforms
                        Shaders.Position.Apply(context);

                        world = Matrix.Scaling(100, 2.5f, 1) * Matrix.Translation(0, 1, 1);

                        worldViewProjection = world * view * projection;

                        context.UpdateSubresource(ref worldViewProjection, worldViewProjectionBuffer);

                        context.InputAssembler.PrimitiveTopology = PrimitiveTopology.LineStrip;

                        context.InputAssembler.SetVertexBuffers(0, leftWaveFormVertexBufferBinding);

                        context.Draw(1024, 0);

                        world = Matrix.Scaling(100, 2.5f, 1) * Matrix.Translation(0, 1, -1);

                        worldViewProjection = world * view * projection;

                        context.UpdateSubresource(ref worldViewProjection, worldViewProjectionBuffer);

                        context.InputAssembler.SetVertexBuffers(0, rightWaveFormVertexBufferBinding);

                        context.Draw(1024, 0);

                        // Present Left Eye
                        var texture = new Texture_t
                        {
                            eType       = ETextureType.DirectX,
                            eColorSpace = EColorSpace.Gamma,
                            handle      = leftEyeTextureView.Resource.NativePointer
                        };

                        var bounds = new VRTextureBounds_t
                        {
                            uMin = 0.0f,
                            uMax = 1.0f,
                            vMin = 0.0f,
                            vMax = 1.0f,
                        };

                        var submitError = compositor.Submit(EVREye.Eye_Left, ref texture, ref bounds, EVRSubmitFlags.Submit_Default);

                        if (submitError != EVRCompositorError.None)
                        {
                            System.Diagnostics.Debug.WriteLine(submitError);
                        }

                        // Render Right Eye
                        context.Rasterizer.SetViewport(0, 0, headsetSize.Width, headsetSize.Height);
                        context.OutputMerger.SetTargets(eyeDepthView, rightEyeTextureView);
                        context.OutputMerger.SetDepthStencilState(depthStencilState);

                        context.ClearRenderTargetView(rightEyeTextureView, backgroundColor);
                        context.ClearDepthStencilView(eyeDepthView, DepthStencilClearFlags.Depth, 1.0f, 0);

                        Shaders.Normal.Apply(context);

                        context.Rasterizer.State = rasterizerState;

                        context.OutputMerger.SetBlendState(blendState);
                        context.OutputMerger.SetDepthStencilState(depthStencilState);

                        context.PixelShader.SetSampler(0, samplerState);

                        projection = rightEyeProjection;
                        view       = Matrix.Invert(rightEyeView * head);
                        world      = Matrix.Scaling(1.0f + (Math.Abs(leftWaveForm[audioPosition + 1]) * 0.1f)) * Matrix.Translation(0, 1.0f, 0);

                        worldViewProjection = world * view * projection;

                        context.UpdateSubresource(ref worldViewProjection, worldViewProjectionBuffer);

                        context.VertexShader.SetConstantBuffer(0, worldViewProjectionBuffer);

                        //Shapes.Cube.Begin(context);
                        //Shapes.Cube.Draw(context);

                        Shapes.Sphere.Begin(context);
                        Shapes.Sphere.Draw(context);

                        // Draw Controllers
                        context.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;

                        Shaders.NormalTexture.Apply(context);

                        context.PixelShader.SetSampler(0, samplerState);

                        foreach (var controller in controllers)
                        {
                            context.InputAssembler.SetVertexBuffers(0, controllerVertexBufferBindings[controller]);
                            context.InputAssembler.SetIndexBuffer(controllerIndexBuffers[controller], Format.R16_UInt, 0);

                            context.PixelShader.SetShaderResource(0, controllerTextureViews[controller]);

                            Convert(ref currentPoses[controller].mDeviceToAbsoluteTracking, ref world);

                            world = Matrix.Scaling(1.0f + (Math.Abs(leftWaveForm[audioPosition + 1]) * 0.5f)) * world;

                            worldViewProjection = world * view * projection;

                            context.UpdateSubresource(ref worldViewProjection, worldViewProjectionBuffer);

                            context.VertexShader.SetConstantBuffer(0, worldViewProjectionBuffer);

                            context.DrawIndexed((int)controllerModels[controller].unTriangleCount * 3 * 4, 0, 0);
                        }

                        // Draw Waveforms
                        Shaders.Position.Apply(context);

                        world = Matrix.Scaling(100, 2.5f, 1) * Matrix.Translation(0, 1, 1);

                        worldViewProjection = world * view * projection;

                        context.UpdateSubresource(ref worldViewProjection, worldViewProjectionBuffer);

                        context.InputAssembler.PrimitiveTopology = PrimitiveTopology.LineStrip;

                        context.InputAssembler.SetVertexBuffers(0, leftWaveFormVertexBufferBinding);

                        context.Draw(1024, 0);

                        world = Matrix.Scaling(100, 2.5f, 1) * Matrix.Translation(0, 1, -1);

                        worldViewProjection = world * view * projection;

                        context.UpdateSubresource(ref worldViewProjection, worldViewProjectionBuffer);

                        context.InputAssembler.SetVertexBuffers(0, rightWaveFormVertexBufferBinding);

                        context.Draw(1024, 0);

                        // Present Right Eye
                        texture.handle = rightEyeTextureView.Resource.NativePointer;

                        submitError = compositor.Submit(EVREye.Eye_Right, ref texture, ref bounds, EVRSubmitFlags.Submit_Default);

                        if (submitError != EVRCompositorError.None)
                        {
                            System.Diagnostics.Debug.WriteLine(submitError);
                        }

                        // Render Window
                        context.Rasterizer.SetViewport(0, 0, windowSize.Width, windowSize.Height);

                        context.OutputMerger.SetTargets(depthStencilView, backBufferView);
                        context.OutputMerger.SetDepthStencilState(depthStencilState);

                        context.ClearRenderTargetView(backBufferView, backgroundColor);
                        context.ClearDepthStencilView(depthStencilView, DepthStencilClearFlags.Depth, 1.0f, 0);

                        Shaders.Normal.Apply(context);

                        context.Rasterizer.State = rasterizerState;

                        context.OutputMerger.SetBlendState(blendState);
                        context.OutputMerger.SetDepthStencilState(depthStencilState);

                        context.PixelShader.SetSampler(0, samplerState);

                        ratio = (float)form.ClientSize.Width / (float)form.ClientSize.Height;

                        projection = Matrix.PerspectiveFovRH(3.14f / 3.0f, ratio, 0.01f, 1000);
                        view       = Matrix.Invert(head);
                        world      = Matrix.Scaling(1.0f + (Math.Abs(leftWaveForm[audioPosition + 1]) * 0.1f)) * Matrix.Translation(0, 1.0f, 0);

                        worldViewProjection = world * view * projection;

                        context.UpdateSubresource(ref worldViewProjection, worldViewProjectionBuffer);

                        context.VertexShader.SetConstantBuffer(0, worldViewProjectionBuffer);

                        //Shapes.Cube.Begin(context);
                        //Shapes.Cube.Draw(context);

                        Shapes.Sphere.Begin(context);
                        Shapes.Sphere.Draw(context);

                        // Draw Controllers
                        context.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;

                        Shaders.NormalTexture.Apply(context);

                        context.PixelShader.SetSampler(0, samplerState);

                        foreach (var controller in controllers)
                        {
                            context.InputAssembler.SetVertexBuffers(0, controllerVertexBufferBindings[controller]);
                            context.InputAssembler.SetIndexBuffer(controllerIndexBuffers[controller], Format.R16_UInt, 0);

                            Convert(ref currentPoses[controller].mDeviceToAbsoluteTracking, ref world);

                            world = Matrix.Scaling(1.0f + (Math.Abs(leftWaveForm[audioPosition + 1]) * 0.5f)) * world;

                            worldViewProjection = world * view * projection;

                            context.UpdateSubresource(ref worldViewProjection, worldViewProjectionBuffer);

                            context.VertexShader.SetConstantBuffer(0, worldViewProjectionBuffer);

                            context.DrawIndexed((int)controllerModels[controller].unTriangleCount * 3 * 4, 0, 0);
                        }

                        // Draw Waveforms
                        Shaders.Position.Apply(context);

                        world = Matrix.Scaling(100, 2.5f, 1) * Matrix.Translation(0, 1, 1);

                        worldViewProjection = world * view * projection;

                        context.UpdateSubresource(ref worldViewProjection, worldViewProjectionBuffer);

                        context.InputAssembler.PrimitiveTopology = PrimitiveTopology.LineStrip;

                        context.InputAssembler.SetVertexBuffers(0, leftWaveFormVertexBufferBinding);

                        context.Draw(1024, 0);

                        world = Matrix.Scaling(100, 2.5f, 1) * Matrix.Translation(0, 1, -1);

                        worldViewProjection = world * view * projection;

                        context.UpdateSubresource(ref worldViewProjection, worldViewProjectionBuffer);

                        context.InputAssembler.SetVertexBuffers(0, rightWaveFormVertexBufferBinding);

                        context.Draw(1024, 0);

                        // Show Backbuffer
                        swapChain.Present(0, PresentFlags.None);
                    });
                }
        }
예제 #5
0
        static void Main()
        {
            var initError = EVRInitError.None;

            system = OpenVR.Init(ref initError);

            if (initError != EVRInitError.None)
            {
                return;
            }

            compositor = OpenVR.Compositor;

            compositor.CompositorBringToFront();
            compositor.FadeGrid(5.0f, false);

            count = OpenVR.k_unMaxTrackedDeviceCount;

            currentPoses = new TrackedDevicePose_t[count];
            nextPoses    = new TrackedDevicePose_t[count];

            controllers                    = new List <uint>();
            controllerModels               = new RenderModel_t[count];
            controllerTextures             = new RenderModel_TextureMap_t[count];
            controllerTextureViews         = new ShaderResourceView[count];
            controllerVertexBuffers        = new SharpDX.Direct3D11.Buffer[count];
            controllerIndexBuffers         = new SharpDX.Direct3D11.Buffer[count];
            controllerVertexBufferBindings = new VertexBufferBinding[count];
            controllerEmitters             = new Emitter[count];
            controllerVoices               = new SourceVoice[count];

            for (uint device = 0; device < count; device++)
            {
                var deviceClass = system.GetTrackedDeviceClass(device);

                switch (deviceClass)
                {
                case ETrackedDeviceClass.HMD:
                    headset = device;
                    break;

                case ETrackedDeviceClass.Controller:
                    controllers.Add(device);
                    break;
                }
            }

            uint width  = 0;
            uint height = 0;

            system.GetRecommendedRenderTargetSize(ref width, ref height);

            headsetSize = new Size((int)width, (int)height);
            windowSize  = new Size(960, 540);

            var leftEyeProjection  = Convert(system.GetProjectionMatrix(EVREye.Eye_Left, 0.01f, 1000.0f));
            var rightEyeProjection = Convert(system.GetProjectionMatrix(EVREye.Eye_Right, 0.01f, 1000.0f));

            var leftEyeView  = Convert(system.GetEyeToHeadTransform(EVREye.Eye_Left));
            var rightEyeView = Convert(system.GetEyeToHeadTransform(EVREye.Eye_Right));

            foreach (var controller in controllers)
            {
                var modelName     = new StringBuilder(255, 255);
                var propertyError = ETrackedPropertyError.TrackedProp_Success;

                var length = system.GetStringTrackedDeviceProperty(controller, ETrackedDeviceProperty.Prop_RenderModelName_String, modelName, 255, ref propertyError);

                if (propertyError == ETrackedPropertyError.TrackedProp_Success)
                {
                    var modelName2 = modelName.ToString();

                    while (true)
                    {
                        var pointer    = IntPtr.Zero;
                        var modelError = EVRRenderModelError.None;

                        modelError = OpenVR.RenderModels.LoadRenderModel_Async(modelName2, ref pointer);

                        if (modelError == EVRRenderModelError.Loading)
                        {
                            continue;
                        }

                        if (modelError == EVRRenderModelError.None)
                        {
                            var renderModel = System.Runtime.InteropServices.Marshal.PtrToStructure <RenderModel_t>(pointer);

                            controllerModels[controller] = renderModel;
                            break;
                        }
                    }

                    while (true)
                    {
                        var pointer      = IntPtr.Zero;
                        var textureError = EVRRenderModelError.None;

                        textureError = OpenVR.RenderModels.LoadTexture_Async(controllerModels[controller].diffuseTextureId, ref pointer);

                        if (textureError == EVRRenderModelError.Loading)
                        {
                            continue;
                        }

                        if (textureError == EVRRenderModelError.None)
                        {
                            var texture = System.Runtime.InteropServices.Marshal.PtrToStructure <RenderModel_TextureMap_t>(pointer);

                            controllerTextures[controller] = texture;
                            break;
                        }
                    }
                }
            }

            int adapterIndex = 0;

            system.GetDXGIOutputInfo(ref adapterIndex);

            using (var form = new Form())
                using (var factory = new Factory4())
                {
                    form.ClientSize = windowSize;

                    var adapter = factory.GetAdapter(adapterIndex);

                    var swapChainDescription = new SwapChainDescription
                    {
                        BufferCount     = 1,
                        Flags           = SwapChainFlags.None,
                        IsWindowed      = true,
                        ModeDescription = new ModeDescription
                        {
                            Format      = Format.B8G8R8A8_UNorm,
                            Width       = form.ClientSize.Width,
                            Height      = form.ClientSize.Height,
                            RefreshRate = new Rational(60, 1)
                        },
                        OutputHandle      = form.Handle,
                        SampleDescription = new SampleDescription(1, 0),
                        SwapEffect        = SwapEffect.Discard,
                        Usage             = Usage.RenderTargetOutput
                    };

                    SharpDX.Direct3D11.Device.CreateWithSwapChain(adapter, DeviceCreationFlags.None, swapChainDescription, out device, out swapChain);

                    factory.MakeWindowAssociation(form.Handle, WindowAssociationFlags.None);

                    context = device.ImmediateContext;

                    using (var backBuffer = swapChain.GetBackBuffer <Texture2D>(0))
                        backBufferView = new RenderTargetView(device, backBuffer);

                    var depthBufferDescription = new Texture2DDescription
                    {
                        Format            = Format.D16_UNorm,
                        ArraySize         = 1,
                        MipLevels         = 1,
                        Width             = form.ClientSize.Width,
                        Height            = form.ClientSize.Height,
                        SampleDescription = new SampleDescription(1, 0),
                        Usage             = ResourceUsage.Default,
                        BindFlags         = BindFlags.DepthStencil,
                        CpuAccessFlags    = CpuAccessFlags.None,
                        OptionFlags       = ResourceOptionFlags.None
                    };

                    using (var depthBuffer = new Texture2D(device, depthBufferDescription))
                        depthStencilView = new DepthStencilView(device, depthBuffer);

                    // Create Eye Textures
                    var eyeTextureDescription = new Texture2DDescription
                    {
                        ArraySize         = 1,
                        BindFlags         = BindFlags.RenderTarget,
                        CpuAccessFlags    = CpuAccessFlags.None,
                        Format            = Format.B8G8R8A8_UNorm,
                        Width             = headsetSize.Width,
                        Height            = headsetSize.Height,
                        MipLevels         = 1,
                        OptionFlags       = ResourceOptionFlags.None,
                        SampleDescription = new SampleDescription(1, 0),
                        Usage             = ResourceUsage.Default
                    };

                    var leftEyeTexture  = new Texture2D(device, eyeTextureDescription);
                    var rightEyeTexture = new Texture2D(device, eyeTextureDescription);

                    var leftEyeTextureView  = new RenderTargetView(device, leftEyeTexture);
                    var rightEyeTextureView = new RenderTargetView(device, rightEyeTexture);

                    // Create Eye Depth Buffer
                    eyeTextureDescription.BindFlags = BindFlags.DepthStencil;
                    eyeTextureDescription.Format    = Format.D32_Float;

                    var eyeDepth     = new Texture2D(device, eyeTextureDescription);
                    var eyeDepthView = new DepthStencilView(device, eyeDepth);

                    Shapes.Cube.Load(device);
                    Shapes.Sphere.Load(device);
                    Shaders.Load(device);

                    // Load Controller Models
                    foreach (var controller in controllers)
                    {
                        var model = controllerModels[controller];

                        controllerVertexBuffers[controller] = new SharpDX.Direct3D11.Buffer(device, model.rVertexData, new BufferDescription
                        {
                            BindFlags   = BindFlags.VertexBuffer,
                            SizeInBytes = (int)model.unVertexCount * 32
                        });

                        controllerVertexBufferBindings[controller] = new VertexBufferBinding(controllerVertexBuffers[controller], 32, 0);

                        controllerIndexBuffers[controller] = new SharpDX.Direct3D11.Buffer(device, model.rIndexData, new BufferDescription
                        {
                            BindFlags   = BindFlags.IndexBuffer,
                            SizeInBytes = (int)model.unTriangleCount * 3 * 2
                        });

                        var texture = controllerTextures[controller];

                        using (var texture2d = new Texture2D(device, new Texture2DDescription
                        {
                            ArraySize = 1,
                            BindFlags = BindFlags.ShaderResource,
                            Format = Format.R8G8B8A8_UNorm,
                            Width = texture.unWidth,
                            Height = texture.unHeight,
                            MipLevels = 1,
                            SampleDescription = new SampleDescription(1, 0)
                        }, new DataRectangle(texture.rubTextureMapData, texture.unWidth * 4)))
                            controllerTextureViews[controller] = new ShaderResourceView(device, texture2d);
                    }

                    var controllerVertexShaderByteCode = SharpDX.D3DCompiler.ShaderBytecode.Compile(Properties.Resources.NormalTextureShader, "VS", "vs_5_0");
                    controllerVertexShader = new VertexShader(device, controllerVertexShaderByteCode);
                    controllerPixelShader  = new PixelShader(device, SharpDX.D3DCompiler.ShaderBytecode.Compile(Properties.Resources.NormalTextureShader, "PS", "ps_5_0"));

                    var controllerLayout = new InputLayout(device, SharpDX.D3DCompiler.ShaderSignature.GetInputSignature(controllerVertexShaderByteCode), new InputElement[]
                    {
                        new InputElement("POSITION", 0, Format.R32G32B32_Float, 0, 0),
                        new InputElement("NORMAL", 0, Format.R32G32B32_Float, 12, 0),
                        new InputElement("TEXCOORD", 0, Format.R32G32_Float, 24, 0)
                    });

                    worldViewProjectionBuffer = new SharpDX.Direct3D11.Buffer(device, Utilities.SizeOf <Matrix>(), ResourceUsage.Default, BindFlags.ConstantBuffer, CpuAccessFlags.None, ResourceOptionFlags.None, 0);

                    var rasterizerStateDescription = RasterizerStateDescription.Default();
                    //rasterizerStateDescription.FillMode = FillMode.Wireframe;
                    rasterizerStateDescription.IsFrontCounterClockwise = true;
                    //rasterizerStateDescription.CullMode = CullMode.None;

                    rasterizerState = new RasterizerState(device, rasterizerStateDescription);

                    var blendStateDescription = BlendStateDescription.Default();

                    blendStateDescription.RenderTarget[0].BlendOperation   = BlendOperation.Add;
                    blendStateDescription.RenderTarget[0].SourceBlend      = BlendOption.SourceAlpha;
                    blendStateDescription.RenderTarget[0].DestinationBlend = BlendOption.InverseSourceAlpha;

                    blendStateDescription.RenderTarget[0].IsBlendEnabled = false;

                    blendState = new BlendState(device, blendStateDescription);

                    var depthStateDescription = DepthStencilStateDescription.Default();

                    depthStateDescription.DepthComparison  = Comparison.LessEqual;
                    depthStateDescription.IsDepthEnabled   = true;
                    depthStateDescription.IsStencilEnabled = false;

                    depthStencilState = new DepthStencilState(device, depthStateDescription);

                    var samplerStateDescription = SamplerStateDescription.Default();

                    samplerStateDescription.Filter   = Filter.MinMagMipLinear;
                    samplerStateDescription.AddressU = TextureAddressMode.Wrap;
                    samplerStateDescription.AddressV = TextureAddressMode.Wrap;

                    samplerState = new SamplerState(device, samplerStateDescription);

                    startTime  = DateTime.Now;
                    frame      = 0;
                    windowSize = form.ClientSize;

                    backgroundColor = new RawColor4(0.1f, 0.1f, 0.1f, 1);

                    var vrEvent   = new VREvent_t();
                    var eventSize = (uint)Utilities.SizeOf <VREvent_t>();

                    head = Matrix.Identity;

                    // Initialize Audio
                    audio = new XAudio2();
                    var voice = new MasteringVoice(audio);
                    audio3d = new X3DAudio(Speakers.Stereo);

                    foreach (var controller in controllers)
                    {
                        controllerEmitters[controller] = new Emitter
                        {
                            ChannelCount        = 1,
                            CurveDistanceScaler = 0.15f,
                            OrientFront         = Vector3.ForwardLH,
                            OrientTop           = Vector3.Up,
                            Position            = new Vector3(0, 0, 1000),
                            //Velocity = Vector3.Zero
                        };
                    }

                    listener = new Listener
                    {
                        OrientFront = Vector3.ForwardLH,
                        OrientTop   = Vector3.Up,
                        Position    = new Vector3(0, 0, 1000)
                    };

                    var audioFormat = new WaveFormat(44100, 32, 1);
                    //var audioSource = new SourceVoice(audio, audioFormat);
                    var audioBufferSize = audioFormat.ConvertLatencyToByteSize(1000);
                    var audioStream     = new DataStream(audioBufferSize, true, true);
                    var audioSamples    = audioBufferSize / audioFormat.BlockAlign;

                    var random = new Random();

                    for (var sample = 0; sample < audioSamples; sample++)
                    {
                        audioStream.Write((float)random.NextFloat(-1, 1));
                    }

                    audioStream.Position = 0;

                    var audioBuffer = new AudioBuffer
                    {
                        Stream     = audioStream,
                        AudioBytes = audioBufferSize,
                        LoopCount  = 255
                    };

                    var audioSettings = new DspSettings(1, 2);

                    foreach (var controller in controllers)
                    {
                        var audioSource = new SourceVoice(audio, audioFormat);

                        audioSource.SubmitSourceBuffer(audioBuffer, null);

                        audio3d.Calculate(listener, controllerEmitters[controller], CalculateFlags.Matrix, audioSettings);

                        audioSource.SetOutputMatrix(1, 2, audioSettings.MatrixCoefficients);

                        audioSource.Start();

                        controllerVoices[controller] = audioSource;
                    }

                    RenderLoop.Run(form, () =>
                    {
                        while (system.PollNextEvent(ref vrEvent, eventSize))
                        {
                            switch ((EVREventType)vrEvent.eventType)
                            {
                            case EVREventType.VREvent_TrackedDeviceActivated:
                                var controller = vrEvent.trackedDeviceIndex;

                                controllers.Add(controller);

                                var modelName     = new StringBuilder(255, 255);
                                var propertyError = ETrackedPropertyError.TrackedProp_Success;

                                var length = system.GetStringTrackedDeviceProperty(controller, ETrackedDeviceProperty.Prop_RenderModelName_String, modelName, 255, ref propertyError);

                                if (propertyError == ETrackedPropertyError.TrackedProp_Success)
                                {
                                    var modelName2 = modelName.ToString();

                                    while (true)
                                    {
                                        var pointer    = IntPtr.Zero;
                                        var modelError = EVRRenderModelError.None;

                                        modelError = OpenVR.RenderModels.LoadRenderModel_Async(modelName2, ref pointer);

                                        if (modelError == EVRRenderModelError.Loading)
                                        {
                                            continue;
                                        }

                                        if (modelError == EVRRenderModelError.None)
                                        {
                                            var renderModel = System.Runtime.InteropServices.Marshal.PtrToStructure <RenderModel_t>(pointer);

                                            controllerModels[controller] = renderModel;

                                            // Load Controller Model
                                            var model = controllerModels[controller];

                                            controllerVertexBuffers[controller] = new SharpDX.Direct3D11.Buffer(device, model.rVertexData, new BufferDescription
                                            {
                                                BindFlags   = BindFlags.VertexBuffer,
                                                SizeInBytes = (int)model.unVertexCount * 32
                                            });

                                            controllerVertexBufferBindings[controller] = new VertexBufferBinding(controllerVertexBuffers[controller], 32, 0);

                                            controllerIndexBuffers[controller] = new SharpDX.Direct3D11.Buffer(device, model.rIndexData, new BufferDescription
                                            {
                                                BindFlags   = BindFlags.IndexBuffer,
                                                SizeInBytes = (int)model.unTriangleCount * 3 * 2
                                            });

                                            break;
                                        }
                                    }

                                    while (true)
                                    {
                                        var pointer      = IntPtr.Zero;
                                        var textureError = EVRRenderModelError.None;

                                        textureError = OpenVR.RenderModels.LoadTexture_Async(controllerModels[controller].diffuseTextureId, ref pointer);

                                        if (textureError == EVRRenderModelError.Loading)
                                        {
                                            continue;
                                        }

                                        if (textureError == EVRRenderModelError.None)
                                        {
                                            var textureMap = System.Runtime.InteropServices.Marshal.PtrToStructure <RenderModel_TextureMap_t>(pointer);

                                            controllerTextures[controller] = textureMap;

                                            using (var texture2d = new Texture2D(device, new Texture2DDescription
                                            {
                                                ArraySize = 1,
                                                BindFlags = BindFlags.ShaderResource,
                                                Format = Format.R8G8B8A8_UNorm,
                                                Width = textureMap.unWidth,
                                                Height = textureMap.unHeight,
                                                MipLevels = 1,
                                                SampleDescription = new SampleDescription(1, 0)
                                            }, new DataRectangle(textureMap.rubTextureMapData, textureMap.unWidth * 4)))
                                                controllerTextureViews[controller] = new ShaderResourceView(device, texture2d);

                                            break;
                                        }
                                    }

                                    controllerEmitters[controller] = new Emitter
                                    {
                                        ChannelCount        = 1,
                                        CurveDistanceScaler = 0.15f,
                                        OrientFront         = Vector3.ForwardLH,
                                        OrientTop           = Vector3.Up,
                                        Position            = new Vector3(0, 0, 1000),
                                        //Velocity = Vector3.Zero
                                    };

                                    var audioSource = new SourceVoice(audio, audioFormat);

                                    audioSource.SubmitSourceBuffer(audioBuffer, null);

                                    audio3d.Calculate(listener, controllerEmitters[controller], CalculateFlags.Matrix, audioSettings);

                                    audioSource.SetOutputMatrix(1, 2, audioSettings.MatrixCoefficients);

                                    audioSource.Start();

                                    controllerVoices[controller] = audioSource;
                                }
                                break;

                            case EVREventType.VREvent_TrackedDeviceDeactivated:
                                controllers.RemoveAll(c => c == vrEvent.trackedDeviceIndex);
                                break;

                            default:
                                System.Diagnostics.Debug.WriteLine((EVREventType)vrEvent.eventType);
                                break;
                            }
                        }

                        if (form.ClientSize != windowSize)
                        {
                            Utilities.Dispose(ref backBufferView);

                            if (form.ClientSize.Width != 0 && form.ClientSize.Height != 0)
                            {
                                swapChain.ResizeBuffers(1, form.ClientSize.Width, form.ClientSize.Height, Format.B8G8R8A8_UNorm, SwapChainFlags.None);

                                using (var backBuffer = swapChain.GetBackBuffer <Texture2D>(0))
                                    backBufferView = new RenderTargetView(device, backBuffer);
                            }

                            windowSize = form.ClientSize;
                        }

                        // Update Device Tracking
                        compositor.WaitGetPoses(currentPoses, nextPoses);

                        if (currentPoses[headset].bPoseIsValid)
                        {
                            Convert(ref currentPoses[headset].mDeviceToAbsoluteTracking, ref head);

                            // Update Audio Listener
                            listener.Position    = head.TranslationVector * new Vector3(1, 1, -1);
                            listener.OrientFront = head.Forward * new Vector3(1, 1, -1);
                            listener.OrientTop   = head.Up * new Vector3(1, 1, -1);
                        }

                        foreach (var controller in controllers)
                        {
                            var controllerMatrix = Matrix.Identity;

                            Convert(ref currentPoses[controller].mDeviceToAbsoluteTracking, ref controllerMatrix);

                            var position = controllerMatrix.TranslationVector * new Vector3(1, 1, -1);

                            controllerEmitters[controller].Position = position;

                            audio3d.Calculate(listener, controllerEmitters[controller], CalculateFlags.Matrix, audioSettings);

                            controllerVoices[controller].SetOutputMatrix(1, 2, audioSettings.MatrixCoefficients);
                        }

                        // Render Left Eye
                        context.Rasterizer.SetViewport(0, 0, headsetSize.Width, headsetSize.Height);
                        context.OutputMerger.SetTargets(eyeDepthView, leftEyeTextureView);
                        context.OutputMerger.SetDepthStencilState(depthStencilState);

                        context.ClearRenderTargetView(leftEyeTextureView, backgroundColor);
                        context.ClearDepthStencilView(eyeDepthView, DepthStencilClearFlags.Depth, 1.0f, 0);

                        Shaders.Apply(context);

                        context.Rasterizer.State = rasterizerState;

                        context.OutputMerger.SetBlendState(blendState);
                        context.OutputMerger.SetDepthStencilState(depthStencilState);

                        context.PixelShader.SetSampler(0, samplerState);

                        var ratio = (float)headsetSize.Width / (float)headsetSize.Height;

                        var projection = leftEyeProjection;
                        var view       = Matrix.Invert(leftEyeView * head);
                        var world      = Matrix.Scaling(0.5f) * Matrix.Translation(0, 1.0f, 0);

                        worldViewProjection = world * view * projection;

                        context.UpdateSubresource(ref worldViewProjection, worldViewProjectionBuffer);

                        context.VertexShader.SetConstantBuffer(0, worldViewProjectionBuffer);

                        //Shapes.Cube.Begin(context);
                        //Shapes.Cube.Draw(context);

                        Shapes.Sphere.Begin(context);
                        Shapes.Sphere.Draw(context);

                        // Draw Controllers
                        context.InputAssembler.InputLayout       = controllerLayout;
                        context.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;

                        context.VertexShader.Set(controllerVertexShader);
                        context.PixelShader.Set(controllerPixelShader);
                        context.GeometryShader.Set(null);
                        context.DomainShader.Set(null);
                        context.HullShader.Set(null);

                        context.PixelShader.SetSampler(0, samplerState);

                        foreach (var controller in controllers)
                        {
                            context.InputAssembler.SetVertexBuffers(0, controllerVertexBufferBindings[controller]);
                            context.InputAssembler.SetIndexBuffer(controllerIndexBuffers[controller], Format.R16_UInt, 0);

                            context.PixelShader.SetShaderResource(0, controllerTextureViews[controller]);

                            Convert(ref currentPoses[controller].mDeviceToAbsoluteTracking, ref world);

                            worldViewProjection = world * view * projection;

                            context.UpdateSubresource(ref worldViewProjection, worldViewProjectionBuffer);

                            context.VertexShader.SetConstantBuffer(0, worldViewProjectionBuffer);

                            context.DrawIndexed((int)controllerModels[controller].unTriangleCount * 3 * 4, 0, 0);
                        }

                        var texture = new Texture_t
                        {
                            eType       = ETextureType.DirectX,
                            eColorSpace = EColorSpace.Gamma,
                            handle      = leftEyeTextureView.Resource.NativePointer
                        };

                        var bounds = new VRTextureBounds_t
                        {
                            uMin = 0.0f,
                            uMax = 1.0f,
                            vMin = 0.0f,
                            vMax = 1.0f,
                        };

                        var submitError = compositor.Submit(EVREye.Eye_Left, ref texture, ref bounds, EVRSubmitFlags.Submit_Default);

                        if (submitError != EVRCompositorError.None)
                        {
                            System.Diagnostics.Debug.WriteLine(submitError);
                        }

                        // Render Right Eye
                        context.Rasterizer.SetViewport(0, 0, headsetSize.Width, headsetSize.Height);
                        context.OutputMerger.SetTargets(eyeDepthView, rightEyeTextureView);
                        context.OutputMerger.SetDepthStencilState(depthStencilState);

                        context.ClearRenderTargetView(rightEyeTextureView, backgroundColor);
                        context.ClearDepthStencilView(eyeDepthView, DepthStencilClearFlags.Depth, 1.0f, 0);

                        Shaders.Apply(context);

                        context.Rasterizer.State = rasterizerState;

                        context.OutputMerger.SetBlendState(blendState);
                        context.OutputMerger.SetDepthStencilState(depthStencilState);

                        context.PixelShader.SetSampler(0, samplerState);

                        projection = rightEyeProjection;
                        view       = Matrix.Invert(rightEyeView * head);
                        world      = Matrix.Scaling(0.5f) * Matrix.Translation(0, 1.0f, 0);

                        worldViewProjection = world * view * projection;

                        context.UpdateSubresource(ref worldViewProjection, worldViewProjectionBuffer);

                        context.VertexShader.SetConstantBuffer(0, worldViewProjectionBuffer);

                        //Shapes.Cube.Begin(context);
                        //Shapes.Cube.Draw(context);

                        Shapes.Sphere.Begin(context);
                        Shapes.Sphere.Draw(context);

                        // Draw Controllers
                        context.InputAssembler.InputLayout       = controllerLayout;
                        context.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;

                        context.VertexShader.Set(controllerVertexShader);
                        context.PixelShader.Set(controllerPixelShader);
                        context.GeometryShader.Set(null);
                        context.DomainShader.Set(null);
                        context.HullShader.Set(null);

                        context.PixelShader.SetSampler(0, samplerState);

                        foreach (var controller in controllers)
                        {
                            context.InputAssembler.SetVertexBuffers(0, controllerVertexBufferBindings[controller]);
                            context.InputAssembler.SetIndexBuffer(controllerIndexBuffers[controller], Format.R16_UInt, 0);

                            context.PixelShader.SetShaderResource(0, controllerTextureViews[controller]);

                            Convert(ref currentPoses[controller].mDeviceToAbsoluteTracking, ref world);

                            worldViewProjection = world * view * projection;

                            context.UpdateSubresource(ref worldViewProjection, worldViewProjectionBuffer);

                            context.VertexShader.SetConstantBuffer(0, worldViewProjectionBuffer);

                            context.DrawIndexed((int)controllerModels[controller].unTriangleCount * 3 * 4, 0, 0);
                        }

                        texture.handle = rightEyeTextureView.Resource.NativePointer;

                        submitError = compositor.Submit(EVREye.Eye_Right, ref texture, ref bounds, EVRSubmitFlags.Submit_Default);

                        if (submitError != EVRCompositorError.None)
                        {
                            System.Diagnostics.Debug.WriteLine(submitError);
                        }

                        // Render Window
                        context.Rasterizer.SetViewport(0, 0, windowSize.Width, windowSize.Height);

                        context.OutputMerger.SetTargets(depthStencilView, backBufferView);
                        context.OutputMerger.SetDepthStencilState(depthStencilState);

                        context.ClearRenderTargetView(backBufferView, backgroundColor);
                        context.ClearDepthStencilView(depthStencilView, DepthStencilClearFlags.Depth, 1.0f, 0);

                        Shaders.Apply(context);

                        context.Rasterizer.State = rasterizerState;

                        context.OutputMerger.SetBlendState(blendState);
                        context.OutputMerger.SetDepthStencilState(depthStencilState);

                        context.PixelShader.SetSampler(0, samplerState);

                        ratio = (float)form.ClientSize.Width / (float)form.ClientSize.Height;

                        projection = Matrix.PerspectiveFovRH(3.14F / 3.0F, ratio, 0.01f, 1000);
                        view       = Matrix.Invert(head);
                        world      = Matrix.Scaling(0.5f) * Matrix.Translation(0, 1.0f, 0);

                        worldViewProjection = world * view * projection;

                        context.UpdateSubresource(ref worldViewProjection, worldViewProjectionBuffer);

                        context.VertexShader.SetConstantBuffer(0, worldViewProjectionBuffer);

                        //Shapes.Cube.Begin(context);
                        //Shapes.Cube.Draw(context);

                        Shapes.Sphere.Begin(context);
                        Shapes.Sphere.Draw(context);

                        // Draw Controllers
                        context.InputAssembler.InputLayout       = controllerLayout;
                        context.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;

                        context.VertexShader.Set(controllerVertexShader);
                        context.PixelShader.Set(controllerPixelShader);
                        context.GeometryShader.Set(null);
                        context.DomainShader.Set(null);
                        context.HullShader.Set(null);

                        context.PixelShader.SetSampler(0, samplerState);

                        foreach (var controller in controllers)
                        {
                            context.InputAssembler.SetVertexBuffers(0, controllerVertexBufferBindings[controller]);
                            context.InputAssembler.SetIndexBuffer(controllerIndexBuffers[controller], Format.R16_UInt, 0);

                            Convert(ref currentPoses[controller].mDeviceToAbsoluteTracking, ref world);

                            worldViewProjection = world * view * projection;

                            context.UpdateSubresource(ref worldViewProjection, worldViewProjectionBuffer);

                            context.VertexShader.SetConstantBuffer(0, worldViewProjectionBuffer);

                            context.DrawIndexed((int)controllerModels[controller].unTriangleCount * 3 * 4, 0, 0);
                        }

                        // Show Backbuffer
                        swapChain.Present(0, PresentFlags.None);
                    });

                    audio.Dispose();
                }
        }