C# Device.CreatePixelShader方法代码示例

        private static Number4[] RenderScene(Device device)
		{
			const int width = 200;
			const int height = 100;

			// Create device and swap chain.
            var swapChainPresenter = new RawSwapChainPresenter();
			var swapChain = device.CreateSwapChain(
                new SwapChainDescription(width, height), 
                swapChainPresenter);
			var deviceContext = device.ImmediateContext;

			// Create RenderTargetView from the backbuffer.
			var backBuffer = Texture2D.FromSwapChain(swapChain, 0);
			var renderTargetView = device.CreateRenderTargetView(backBuffer);

			// Compile Vertex and Pixel shaders
			var vertexShaderByteCode = ShaderCompiler.CompileFromFile("Assets/MiniTri.fx", "VS", "vs_4_0");
			var vertexShader = device.CreateVertexShader(vertexShaderByteCode);

			var pixelShaderByteCode = ShaderCompiler.CompileFromFile("Assets/MiniTri.fx", "PS", "ps_4_0");
			var pixelShader = device.CreatePixelShader(pixelShaderByteCode);

			// Layout from VertexShader input signature
			var layout = device.CreateInputLayout(
				new[]
				{
					new InputElement("POSITION", 0, Format.R32G32B32A32_Float, 0),
					new InputElement("COLOR", 0, Format.R32G32B32A32_Float, 0)
				}, vertexShaderByteCode);

			// Instantiate Vertex buffer from vertex data
			var vertices = device.CreateBuffer(new BufferDescription(BindFlags.VertexBuffer), new[]
			{
				new Vector4(0.0f, 0.5f, 0.5f, 1.0f), new Vector4(1.0f, 0.0f, 0.0f, 1.0f),
				new Vector4(0.5f, -0.5f, 0.5f, 1.0f), new Vector4(0.0f, 1.0f, 0.0f, 1.0f),
				new Vector4(-0.5f, -0.5f, 0.5f, 1.0f), new Vector4(0.0f, 0.0f, 1.0f, 1.0f)
			});

			// Prepare all the stages
			deviceContext.InputAssembler.InputLayout = layout;
			deviceContext.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;
			deviceContext.InputAssembler.SetVertexBuffers(0, new VertexBufferBinding(vertices, 0, 32));
			deviceContext.VertexShader.Shader = vertexShader;
			deviceContext.Rasterizer.SetViewports(new Viewport(0, 0, width, height, 0.0f, 1.0f));
			deviceContext.PixelShader.Shader = pixelShader;
			deviceContext.OutputMerger.SetTargets(null, renderTargetView);

            deviceContext.ClearRenderTargetView(renderTargetView, Color4.Black);
			deviceContext.Draw(3, 0);
			swapChain.Present();

            return swapChainPresenter.Data;
		}

        /// <summary>
        ///   Initializes a new instance of the <see cref = "T:SharpDX.Direct3D11.PixelShader" /> class.
        /// </summary>
        /// <param name = "device">The device used to create the shader.</param>
        /// <param name = "shaderBytecode">The compiled shader bytecode.</param>
        /// <param name = "linkage">A dynamic class linkage interface.</param>
        public PixelShader(Device device, byte[] shaderBytecode, ClassLinkage linkage = null)
            : base(IntPtr.Zero)
        {
            if (shaderBytecode == null) throw new ArgumentNullException("shaderBytecode", "ShaderBytecode cannot be null");

            unsafe
            {
                fixed (void* pBuffer = shaderBytecode)
                    device.CreatePixelShader((IntPtr)pBuffer, shaderBytecode.Length, linkage, this);
            }
        }

        public override WriteableBitmap Initialize(Device device)
		{
			const int width = 600;
			const int height = 400;

			// Create device and swap chain.
            var swapChainPresenter = new WpfSwapChainPresenter();
            _swapChain = device.CreateSwapChain(width, height, swapChainPresenter);
			_deviceContext = device.ImmediateContext;

			// Create RenderTargetView from the backbuffer.
			var backBuffer = Texture2D.FromSwapChain(_swapChain, 0);
			_renderTargetView = device.CreateRenderTargetView(backBuffer);

			// Compile Vertex and Pixel shaders
			var vertexShaderByteCode = ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/BasicTriangle/MiniTri.fx", "VS", "vs_4_0");
			var vertexShader = device.CreateVertexShader(vertexShaderByteCode);

            var pixelShaderByteCode = ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/BasicTriangle/MiniTri.fx", "PS", "ps_4_0");
			var pixelShader = device.CreatePixelShader(pixelShaderByteCode);

			// Layout from VertexShader input signature
			var layout = device.CreateInputLayout(
				new[]
				{
					new InputElement("POSITION", 0, Format.R32G32B32A32_Float, 0),
					new InputElement("COLOR", 0, Format.R32G32B32A32_Float, 0)
				}, vertexShaderByteCode);

			// Instantiate Vertex buffer from vertex data
			var vertices = device.CreateBuffer(new BufferDescription(BindFlags.VertexBuffer), new[]
			{
				new Vector4(0.0f, 0.5f, 0.5f, 1.0f), new Vector4(1.0f, 0.0f, 0.0f, 1.0f),
				new Vector4(0.5f, -0.5f, 0.5f, 1.0f), new Vector4(0.0f, 1.0f, 0.0f, 1.0f),
				new Vector4(-0.5f, -0.5f, 0.5f, 1.0f), new Vector4(0.0f, 0.0f, 1.0f, 1.0f)
			});

		    _model = new Model();
		    _model.AddMesh(new ModelMesh
		    {
		        IndexBuffer = device.CreateBuffer(new BufferDescription
		        {
		            BindFlags = BindFlags.IndexBuffer
		        }, new uint[] { 0, 1, 2 }),
                IndexCount = 3,
                InputLayout = layout,
                PrimitiveCount = 1,
                PrimitiveTopology = PrimitiveTopology.TriangleList,
                VertexBuffer = vertices,
                VertexCount = 3,
                VertexSize = 32
		    });

			// Prepare all the stages
			_deviceContext.VertexShader.Shader = vertexShader;
			_deviceContext.Rasterizer.SetViewports(new Viewport(0, 0, width, height, 0.0f, 1.0f));
			_deviceContext.PixelShader.Shader = pixelShader;
			_deviceContext.OutputMerger.SetTargets(null, _renderTargetView);

            return swapChainPresenter.Bitmap;
		}

 /// <summary>
 ///   Initializes a new instance of the <see cref = "T:SharpDX.Direct3D10.PixelShader" /> class.
 /// </summary>
 /// <param name = "device">The device used to create the shader.</param>
 /// <param name = "shaderBytecode">The compiled shader bytecode.</param>
 public unsafe PixelShader(Device device, byte[] shaderBytecode)
     : base(IntPtr.Zero)
 {
     fixed (void* ptr = shaderBytecode)
         device.CreatePixelShader((IntPtr)ptr, shaderBytecode.Length, this);
 }

            public ImageGenerator(IResourceManager resourceLoader)
	        {
                const int width = 400;
                const int height = 400;

                // Create device and swap chain.
                _device = new Device();
                var swapChainPresenter = new WpfSwapChainPresenter();
                _swapChain = _device.CreateSwapChain(width, height, swapChainPresenter);
                _outputBitmap = swapChainPresenter.Bitmap;
                _deviceContext = _device.ImmediateContext;

                // Create RenderTargetView from the backbuffer.
                var backBuffer = Texture2D.FromSwapChain(_swapChain, 0);
                _renderTargetView = _device.CreateRenderTargetView(backBuffer);

                // Create the depth buffer
                var depthBuffer = _device.CreateTexture2D(new Texture2DDescription
                {
                    ArraySize = 1,
                    MipLevels = 1,
                    Width = width,
                    Height = height,
                    BindFlags = BindFlags.DepthStencil
                });

                // Create the depth buffer view
                _depthView = _device.CreateDepthStencilView(depthBuffer);

                // Compile Vertex and Pixel shaders
                var vertexShaderByteCode = ShaderCompiler.CompileFromFile("Modules/SampleBrowser/TechDemos/Resources/TextureSampling/Texture.fx", "VS", "vs_4_0");
                var vertexShader = _device.CreateVertexShader(vertexShaderByteCode);

                var pixelShaderByteCode = ShaderCompiler.CompileFromFile("Modules/SampleBrowser/TechDemos/Resources/TextureSampling/Texture.fx", "PS", "ps_4_1");
                var pixelShader = _device.CreatePixelShader(pixelShaderByteCode);

                // Layout from VertexShader input signature
                var layout = _device.CreateInputLayout(
                    new[]
	                {
	                    new InputElement("POSITION", 0, Format.R32G32B32A32_Float, 0, 0),
	                    new InputElement("TEXCOORD", 0, Format.R32G32_Float, 0, 16)
	                }, vertexShaderByteCode);

                // Instantiate Vertex buiffer from vertex data
                var vertices = _device.CreateBuffer(new BufferDescription(BindFlags.VertexBuffer), new[]
	            {
	                // 3D coordinates              UV Texture coordinates
	                -1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 1.0f, // Front
	                -1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 0.0f,
	                1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 0.0f,
	                -1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 1.0f,
	                1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 0.0f,
	                1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 1.0f,

	                -1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f, // BACK
	                1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
	                -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
	                -1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
	                1.0f, -1.0f, 1.0f, 1.0f, 0.0f, 0.0f,
	                1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f,

	                -1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 1.0f, // Top
	                -1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f,
	                1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
	                -1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 1.0f,
	                1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
	                1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f,

	                -1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 0.0f, // Bottom
	                1.0f, -1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
	                -1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
	                -1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 0.0f,
	                1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 0.0f,
	                1.0f, -1.0f, 1.0f, 1.0f, 0.0f, 1.0f,

	                -1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 1.0f, // Left
	                -1.0f, -1.0f, 1.0f, 1.0f, 0.0f, 0.0f,
	                -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
	                -1.0f, -1.0f, -1.0f, 1.0f, 0.0f, 1.0f,
	                -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
	                -1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f,

	                1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 0.0f, // Right
	                1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
	                1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
	                1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 0.0f,
	                1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 0.0f,
	                1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f
	            });

                // Create Constant Buffer
                _constantBuffer = _device.CreateBuffer(new BufferDescription
                {
                    SizeInBytes = Utilities.SizeOf<Matrix>(),
                    BindFlags = BindFlags.ConstantBuffer
                });

                // Load texture and create sampler
                var textureStream = resourceLoader.GetStream(
//.........这里部分代码省略.........

        public override WriteableBitmap Initialize(Device device)
		{
            const int width = 600;
			const int height = 400;

			// Create device and swap chain.
            var swapChainPresenter = new WpfSwapChainPresenter();
            _swapChain = device.CreateSwapChain(width, height, swapChainPresenter);
			_deviceContext = device.ImmediateContext;

			// Create RenderTargetView from the backbuffer.
			var backBuffer = Texture2D.FromSwapChain(_swapChain, 0);
			_renderTargetView = device.CreateRenderTargetView(backBuffer);

			// Create the depth buffer
			var depthBuffer = device.CreateTexture2D(new Texture2DDescription
			{
				ArraySize = 1,
				MipLevels = 1,
				Width = width,
				Height = height,
				BindFlags = BindFlags.DepthStencil
			});

			// Create the depth buffer view
			_depthView = device.CreateDepthStencilView(depthBuffer);

            // Load model.
		    var modelLoader = new ModelLoader(device, TextureLoader.CreateTextureFromStream);
            _model = modelLoader.Load("Modules/SampleBrowser/Samples/ModelLoading/Car/car.obj");

            // Compile Vertex and Pixel shaders
            var vertexShaderByteCode = ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/ModelLoading/ModelLoading.fx", "VS", "vs_4_0");
            var vertexShader = device.CreateVertexShader(vertexShaderByteCode);

            var pixelShaderByteCode = ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/ModelLoading/ModelLoading.fx", "PS", "ps_4_0");
            var pixelShader = device.CreatePixelShader(pixelShaderByteCode);

		    _model.SetInputLayout(device, vertexShaderByteCode.InputSignature);

			var sampler = device.CreateSamplerState(new SamplerStateDescription
			{
				Filter = Filter.MinMagMipPoint,
				AddressU = TextureAddressMode.Wrap,
				AddressV = TextureAddressMode.Wrap,
				AddressW = TextureAddressMode.Wrap,
				BorderColor = Color4.Black,
				ComparisonFunction = Comparison.Never,
				MaximumAnisotropy = 16,
				MipLodBias = 0,
				MinimumLod = 0,
				MaximumLod = 16,
			});

            // Create constant buffers.
            _vertexConstantBuffer = device.CreateBuffer(new BufferDescription
            {
                SizeInBytes = Utilities.SizeOf<VertexShaderData>(),
                BindFlags = BindFlags.ConstantBuffer
            });
            _pixelConstantBuffer = device.CreateBuffer(new BufferDescription
            {
                SizeInBytes = Utilities.SizeOf<PixelShaderData>(),
                BindFlags = BindFlags.ConstantBuffer
            });

			// Prepare all the stages
            _deviceContext.VertexShader.SetConstantBuffers(0, _vertexConstantBuffer);
            _deviceContext.VertexShader.Shader = vertexShader;
            _deviceContext.PixelShader.SetConstantBuffers(0, _pixelConstantBuffer);
            _deviceContext.PixelShader.Shader = pixelShader;
			_deviceContext.PixelShader.SetSamplers(0, sampler);

            _vertexShaderData = new VertexShaderData();

            _pixelShaderData = new PixelShaderData
            {
                LightDirection = new Vector4(Vector3.Normalize(new Vector3(0.5f, 0, -1)), 1)
            };
            _deviceContext.SetBufferData(_pixelConstantBuffer, ref _pixelShaderData);

		    // Setup targets and viewport for rendering
			_deviceContext.Rasterizer.SetViewports(new Viewport(0, 0, width, height, 0.0f, 1.0f));
			_deviceContext.OutputMerger.SetTargets(_depthView, _renderTargetView);

            //_deviceContext.Rasterizer.State = device.CreateRasterizerState(new Pipeline.Rasterizer.RasterizerStateDescription
            //{
            //    FillMode = Pipeline.Rasterizer.FillMode.Wireframe
            //});

			// Prepare matrices
			_projection = Matrix.PerspectiveFovLH(MathUtil.Pi / 3.0f, 
				width / (float) height, 1f, 1000.0f);

            return swapChainPresenter.Bitmap;
		}

        public override WriteableBitmap Initialize(Device device)
		{
			const int width = 600;
			const int height = 400;

			// Create device and swap chain.
            var swapChainPresenter = new WpfSwapChainPresenter();
            _swapChain = device.CreateSwapChain(width, height, swapChainPresenter);
			_deviceContext = device.ImmediateContext;

			// Create RenderTargetView from the backbuffer.
			var backBuffer = Texture2D.FromSwapChain(_swapChain, 0);
			_renderTargetView = device.CreateRenderTargetView(backBuffer);

			// Create the depth buffer
			var depthBuffer = device.CreateTexture2D(new Texture2DDescription
			{
				ArraySize = 1,
				MipLevels = 1,
				Width = width,
				Height = height,
				BindFlags = BindFlags.DepthStencil
			});

			// Create the depth buffer view
			_depthView = device.CreateDepthStencilView(depthBuffer);

			// Compile Vertex and Pixel shaders
            var vertexShaderByteCode = ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/MiniCubeTexture/MiniCubeTexture.fx", "VS", "vs_4_0");
			var vertexShader = device.CreateVertexShader(vertexShaderByteCode);

            var pixelShaderByteCode = ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/MiniCubeTexture/MiniCubeTexture.fx", "PS", "ps_4_0");
			var pixelShader = device.CreatePixelShader(pixelShaderByteCode);

			// Layout from VertexShader input signature
			var layout = device.CreateInputLayout(
				new[]
				{
					new InputElement("POSITION", 0, Format.R32G32B32A32_Float, 0, 0),
					new InputElement("TEXCOORD", 0, Format.R32G32_Float, 0, 16)
				}, vertexShaderByteCode);

			// Instantiate Vertex buiffer from vertex data
			var vertices = device.CreateBuffer(new BufferDescription(BindFlags.VertexBuffer), new[]
			{
				// 3D coordinates              UV Texture coordinates
                -1.0f, -1.0f, -1.0f, 1.0f,     0.0f, 1.0f, // Front
                -1.0f,  1.0f, -1.0f, 1.0f,     0.0f, 0.0f,
                1.0f,  1.0f, -1.0f, 1.0f,     1.0f, 0.0f,
                -1.0f, -1.0f, -1.0f, 1.0f,     0.0f, 1.0f,
                1.0f,  1.0f, -1.0f, 1.0f,     1.0f, 0.0f,
                1.0f, -1.0f, -1.0f, 1.0f,     1.0f, 1.0f,

                -1.0f, -1.0f,  1.0f, 1.0f,     1.0f, 0.0f, // BACK
                1.0f,  1.0f,  1.0f, 1.0f,     0.0f, 1.0f,
                -1.0f,  1.0f,  1.0f, 1.0f,     1.0f, 1.0f,
                -1.0f, -1.0f,  1.0f, 1.0f,     1.0f, 0.0f,
                1.0f, -1.0f,  1.0f, 1.0f,     0.0f, 0.0f,
                1.0f,  1.0f,  1.0f, 1.0f,     0.0f, 1.0f,

                -1.0f, 1.0f, -1.0f,  1.0f,     0.0f, 1.0f, // Top
                -1.0f, 1.0f,  1.0f,  1.0f,     0.0f, 0.0f,
                1.0f, 1.0f,  1.0f,  1.0f,     1.0f, 0.0f,
                -1.0f, 1.0f, -1.0f,  1.0f,     0.0f, 1.0f,
                1.0f, 1.0f,  1.0f,  1.0f,     1.0f, 0.0f,
                1.0f, 1.0f, -1.0f,  1.0f,     1.0f, 1.0f,

                -1.0f,-1.0f, -1.0f,  1.0f,     1.0f, 0.0f, // Bottom
                1.0f,-1.0f,  1.0f,  1.0f,     0.0f, 1.0f,
                -1.0f,-1.0f,  1.0f,  1.0f,     1.0f, 1.0f,
                -1.0f,-1.0f, -1.0f,  1.0f,     1.0f, 0.0f,
                1.0f,-1.0f, -1.0f,  1.0f,     0.0f, 0.0f,
                1.0f,-1.0f,  1.0f,  1.0f,     0.0f, 1.0f,

                -1.0f, -1.0f, -1.0f, 1.0f,     0.0f, 1.0f, // Left
                -1.0f, -1.0f,  1.0f, 1.0f,     0.0f, 0.0f,
                -1.0f,  1.0f,  1.0f, 1.0f,     1.0f, 0.0f,
                -1.0f, -1.0f, -1.0f, 1.0f,     0.0f, 1.0f,
                -1.0f,  1.0f,  1.0f, 1.0f,     1.0f, 0.0f,
                -1.0f,  1.0f, -1.0f, 1.0f,     1.0f, 1.0f,

                1.0f, -1.0f, -1.0f, 1.0f,     1.0f, 0.0f, // Right
                1.0f,  1.0f,  1.0f, 1.0f,     0.0f, 1.0f,
                1.0f, -1.0f,  1.0f, 1.0f,     1.0f, 1.0f,
                1.0f, -1.0f, -1.0f, 1.0f,     1.0f, 0.0f,
                1.0f,  1.0f, -1.0f, 1.0f,     0.0f, 0.0f,
                1.0f,  1.0f,  1.0f, 1.0f,     0.0f, 1.0f
			});

			// Create Constant Buffer
			_constantBuffer = device.CreateBuffer(new BufferDescription
			{
				SizeInBytes = Utilities.SizeOf<Matrix>(),
				BindFlags = BindFlags.ConstantBuffer
			});

			// Load texture and create sampler
			var textureStream = _resourceLoader.GetStream(
                "Modules/SampleBrowser/Samples/MiniCubeTexture/GeneticaMortarlessBlocks.jpg",
                GetType().Assembly.FullName);
//.........这里部分代码省略.........

        public override WriteableBitmap Initialize(Device device)
		{
			// Create device and swap chain.
            var swapChainPresenter = new WpfSwapChainPresenter();
            _swapChain = device.CreateSwapChain(Width, Height, swapChainPresenter);
			_deviceContext = device.ImmediateContext;

			// Create RenderTargetView from the backbuffer.
			var backBuffer = Texture2D.FromSwapChain(_swapChain, 0);
			_renderTargetView = device.CreateRenderTargetView(backBuffer);

			// Create the depth buffer
			var depthBuffer = device.CreateTexture2D(new Texture2DDescription
			{
				ArraySize = 1,
				MipLevels = 1,
				Width = Width,
				Height = Height,
				BindFlags = BindFlags.DepthStencil
			});

			// Create the depth buffer view
			_depthView = device.CreateDepthStencilView(depthBuffer);

            // Create cube map resources.
            var cubeMapTexture = device.CreateTexture2D(new Texture2DDescription
            {
                Width = CubeMapSize,
                Height= CubeMapSize,
                ArraySize = 6,
                BindFlags = BindFlags.RenderTarget | BindFlags.ShaderResource,
                MipLevels = 1
            });
            _renderTargetViewCube = device.CreateRenderTargetView(cubeMapTexture);
            _resourceViewCube = device.CreateShaderResourceView(cubeMapTexture);
            var depthBufferCube = device.CreateTexture2D(new Texture2DDescription
            {
                ArraySize = 6,
                MipLevels = 1,
                Width = CubeMapSize,
                Height = CubeMapSize,
                BindFlags = BindFlags.DepthStencil
            });
            _depthViewCube = device.CreateDepthStencilView(depthBufferCube);

            // Load model.
		    var modelLoader = new ModelLoader(device, TextureLoader.CreateTextureFromStream);
            _model = modelLoader.Load("Modules/SampleBrowser/Samples/EnvironmentMapping/teapot.obj");

            // Compile Vertex and Pixel shaders
            var vertexShaderByteCode = ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/EnvironmentMapping/EnvironmentMapping.fx", "VS_CubeMap", "vs_4_0");
            _vertexShaderCubeMap = device.CreateVertexShader(vertexShaderByteCode);
            _vertexShaderStandard = device.CreateVertexShader(ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/EnvironmentMapping/EnvironmentMapping.fx", "VS_Standard", "vs_4_0"));

            _geometryShaderCubeMap = device.CreateGeometryShader(ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/EnvironmentMapping/EnvironmentMapping.fx", "GS_CubeMap", "gs_4_0"));

            _pixelShaderCubeMap = device.CreatePixelShader(ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/EnvironmentMapping/EnvironmentMapping.fx", "PS_CubeMap", "ps_4_0"));
            _pixelShaderStandard = device.CreatePixelShader(ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/EnvironmentMapping/EnvironmentMapping.fx", "PS_Standard", "ps_4_0"));
            _pixelShaderReflective = device.CreatePixelShader(ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/EnvironmentMapping/EnvironmentMapping.fx", "PS_Reflective", "ps_4_0"));

		    _model.SetInputLayout(device, vertexShaderByteCode.InputSignature);

            var sampler = device.CreateSamplerState(SamplerStateDescription.Default);

            // Create constant buffers.
            _vertexConstantBuffer = device.CreateBuffer(new BufferDescription
            {
                SizeInBytes = Utilities.SizeOf<VertexShaderData>(),
                BindFlags = BindFlags.ConstantBuffer
            });
            _geometryConstantBuffer = device.CreateBuffer(new BufferDescription
            {
                SizeInBytes = Utilities.SizeOf<GeometryShaderData>(),
                BindFlags = BindFlags.ConstantBuffer
            });
            var pixelConstantBuffer = device.CreateBuffer(new BufferDescription
            {
                SizeInBytes = Utilities.SizeOf<PixelShaderData>(),
                BindFlags = BindFlags.ConstantBuffer
            });

			// Prepare all the stages
            _deviceContext.VertexShader.SetConstantBuffers(0, _vertexConstantBuffer);
            _deviceContext.GeometryShader.SetConstantBuffers(0, _geometryConstantBuffer);
            _deviceContext.PixelShader.SetConstantBuffers(0, pixelConstantBuffer);
			_deviceContext.PixelShader.SetSamplers(0, sampler);

            _vertexShaderData = new VertexShaderData();

            _view1 = Matrix.LookAtLH(Vector3.Zero, new Vector3(1, 0, 0), Vector3.UnitY);
            _view2 = Matrix.LookAtLH(Vector3.Zero, new Vector3(-1, 0, 0), Vector3.UnitY);
            _view3 = Matrix.LookAtLH(Vector3.Zero, new Vector3(0, 1, 0), -Vector3.UnitZ);
            _view4 = Matrix.LookAtLH(Vector3.Zero, new Vector3(0, -1, 0), Vector3.UnitZ);
            _view5 = Matrix.LookAtLH(Vector3.Zero, new Vector3(0, 0, 1), Vector3.UnitY);
            _view6 = Matrix.LookAtLH(Vector3.Zero, new Vector3(0, 0, -1), Vector3.UnitY);

            var from = new Vector3(0, 30, 70);
            var to = new Vector3(0, 0, 0);

            // Prepare matrices
//.........这里部分代码省略.........

        public override WriteableBitmap Initialize(Device device)
		{
			const int width = 400;
			const int height = 300;

			// Create device and swap chain.
            var swapChainPresenter = new WpfSwapChainPresenter();
            _swapChain = device.CreateSwapChain(width, height, swapChainPresenter);
			_deviceContext = device.ImmediateContext;

			// Create RenderTargetView from the backbuffer.
			var backBuffer = Texture2D.FromSwapChain(_swapChain, 0);
			_renderTargetView = device.CreateRenderTargetView(backBuffer);

			// Create the depth buffer
			var depthBuffer = device.CreateTexture2D(new Texture2DDescription
			{
				ArraySize = 1,
				MipLevels = 1,
				Width = width,
				Height = height,
				BindFlags = BindFlags.DepthStencil
			});

			// Create the depth buffer view
			_depthView = device.CreateDepthStencilView(depthBuffer);

			// Compile Vertex and Pixel shaders
            var vertexShaderByteCode = ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/MiniCube/MiniCube.fx", "VS", "vs_4_0");
			var vertexShader = device.CreateVertexShader(vertexShaderByteCode);

            var pixelShaderByteCode = ShaderCompiler.CompileFromFile("Modules/SampleBrowser/Samples/MiniCube/MiniCube.fx", "PS", "ps_4_0");
			var pixelShader = device.CreatePixelShader(pixelShaderByteCode);

			// Layout from VertexShader input signature
			var layout = device.CreateInputLayout(
				new[]
				{
					new InputElement("POSITION", 0, Format.R32G32B32A32_Float, 0),
					new InputElement("COLOR", 0, Format.R32G32B32A32_Float, 0)
				}, vertexShaderByteCode);

			// Instantiate Vertex buffer from vertex data
			var vertices = device.CreateBuffer(new BufferDescription(BindFlags.VertexBuffer), new[]
			{
				new Vector4(-1.0f, -1.0f, -1.0f, 1.0f), new Vector4(1.0f, 0.0f, 0.0f, 1.0f), // Front
				new Vector4(-1.0f, 1.0f, -1.0f, 1.0f), new Vector4(1.0f, 0.0f, 0.0f, 1.0f),
				new Vector4(1.0f, 1.0f, -1.0f, 1.0f), new Vector4(1.0f, 0.0f, 0.0f, 1.0f),
				new Vector4(-1.0f, -1.0f, -1.0f, 1.0f), new Vector4(1.0f, 0.0f, 0.0f, 1.0f),
				new Vector4(1.0f, 1.0f, -1.0f, 1.0f), new Vector4(1.0f, 0.0f, 0.0f, 1.0f),
				new Vector4(1.0f, -1.0f, -1.0f, 1.0f), new Vector4(1.0f, 0.0f, 0.0f, 1.0f),

				new Vector4(-1.0f, -1.0f, 1.0f, 1.0f), new Vector4(0.0f, 1.0f, 0.0f, 1.0f), // BACK
				new Vector4(1.0f, 1.0f, 1.0f, 1.0f), new Vector4(0.0f, 1.0f, 0.0f, 1.0f),
				new Vector4(-1.0f, 1.0f, 1.0f, 1.0f), new Vector4(0.0f, 1.0f, 0.0f, 1.0f),
				new Vector4(-1.0f, -1.0f, 1.0f, 1.0f), new Vector4(0.0f, 1.0f, 0.0f, 1.0f),
				new Vector4(1.0f, -1.0f, 1.0f, 1.0f), new Vector4(0.0f, 1.0f, 0.0f, 1.0f),
				new Vector4(1.0f, 1.0f, 1.0f, 1.0f), new Vector4(0.0f, 1.0f, 0.0f, 1.0f),

				new Vector4(-1.0f, 1.0f, -1.0f, 1.0f), new Vector4(0.0f, 0.0f, 1.0f, 1.0f), // Top
				new Vector4(-1.0f, 1.0f, 1.0f, 1.0f), new Vector4(0.0f, 0.0f, 1.0f, 1.0f),
				new Vector4(1.0f, 1.0f, 1.0f, 1.0f), new Vector4(0.0f, 0.0f, 1.0f, 1.0f),
				new Vector4(-1.0f, 1.0f, -1.0f, 1.0f), new Vector4(0.0f, 0.0f, 1.0f, 1.0f),
				new Vector4(1.0f, 1.0f, 1.0f, 1.0f), new Vector4(0.0f, 0.0f, 1.0f, 1.0f),
				new Vector4(1.0f, 1.0f, -1.0f, 1.0f), new Vector4(0.0f, 0.0f, 1.0f, 1.0f),

				new Vector4(-1.0f, -1.0f, -1.0f, 1.0f), new Vector4(1.0f, 1.0f, 0.0f, 1.0f), // Bottom
				new Vector4(1.0f, -1.0f, 1.0f, 1.0f), new Vector4(1.0f, 1.0f, 0.0f, 1.0f),
				new Vector4(-1.0f, -1.0f, 1.0f, 1.0f), new Vector4(1.0f, 1.0f, 0.0f, 1.0f),
				new Vector4(-1.0f, -1.0f, -1.0f, 1.0f), new Vector4(1.0f, 1.0f, 0.0f, 1.0f),
				new Vector4(1.0f, -1.0f, -1.0f, 1.0f), new Vector4(1.0f, 1.0f, 0.0f, 1.0f),
				new Vector4(1.0f, -1.0f, 1.0f, 1.0f), new Vector4(1.0f, 1.0f, 0.0f, 1.0f),

				new Vector4(-1.0f, -1.0f, -1.0f, 1.0f), new Vector4(1.0f, 0.0f, 1.0f, 1.0f), // Left
				new Vector4(-1.0f, -1.0f, 1.0f, 1.0f), new Vector4(1.0f, 0.0f, 1.0f, 1.0f),
				new Vector4(-1.0f, 1.0f, 1.0f, 1.0f), new Vector4(1.0f, 0.0f, 1.0f, 1.0f),
				new Vector4(-1.0f, -1.0f, -1.0f, 1.0f), new Vector4(1.0f, 0.0f, 1.0f, 1.0f),
				new Vector4(-1.0f, 1.0f, 1.0f, 1.0f), new Vector4(1.0f, 0.0f, 1.0f, 1.0f),
				new Vector4(-1.0f, 1.0f, -1.0f, 1.0f), new Vector4(1.0f, 0.0f, 1.0f, 1.0f),

				new Vector4(1.0f, -1.0f, -1.0f, 1.0f), new Vector4(0.0f, 1.0f, 1.0f, 1.0f), // Right
				new Vector4(1.0f, 1.0f, 1.0f, 1.0f), new Vector4(0.0f, 1.0f, 1.0f, 1.0f),
				new Vector4(1.0f, -1.0f, 1.0f, 1.0f), new Vector4(0.0f, 1.0f, 1.0f, 1.0f),
				new Vector4(1.0f, -1.0f, -1.0f, 1.0f), new Vector4(0.0f, 1.0f, 1.0f, 1.0f),
				new Vector4(1.0f, 1.0f, -1.0f, 1.0f), new Vector4(0.0f, 1.0f, 1.0f, 1.0f),
				new Vector4(1.0f, 1.0f, 1.0f, 1.0f), new Vector4(0.0f, 1.0f, 1.0f, 1.0f)
			});

			// Create Constant Buffer
			_constantBuffer = device.CreateBuffer(new BufferDescription
			{
				SizeInBytes = Utilities.SizeOf<Matrix>(),
				BindFlags = BindFlags.ConstantBuffer
			});

			// Prepare all the stages
			_deviceContext.InputAssembler.InputLayout = layout;
			_deviceContext.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;
			_deviceContext.InputAssembler.SetVertexBuffers(0, new VertexBufferBinding(vertices, 0, Utilities.SizeOf<Vector4>() * 2));
			_deviceContext.VertexShader.SetConstantBuffers(0, _constantBuffer);
//.........这里部分代码省略.........