WindowsストアーアプリでSharpDXを動かしてみる

http://sharpdx.org/ Direct3D DirectSound DirectDraw(DirectX 7 で終了) Direct2D (Windows 7 以降) DirectInput などなど

<Rectangle x:Name="Rectangle1" ...以下略.../>

using SharpDX; using SharpDX.Direct3D; using SharpDX.Direct3D11; using SharpDX.DXGI; using SharpDX.IO; // Direct3D デバイス private SharpDX.Direct3D11.Device1 d3dDevice; // Direct3D コンテキスト private SharpDX.Direct3D11.DeviceContext1 d3dContext;

// Direct3D デバイスの取得 var creationFlags = DeviceCreationFlags.VideoSupport | DeviceCreationFlags.BgraSupport | DeviceCreationFlags.Debug; using (var defaultDevice = new SharpDX.Direct3D11.Device(DriverType.Hardware, creationFlags)) { this.d3dDevice = defaultDevice.QueryInterface<SharpDX.Direct3D11.Device1>(); } // Direct3D コンテキストを取得 this.d3dContext = d3dDevice.ImmediateContext.QueryInterface<SharpDX.Direct3D11.DeviceContext1>();

using Windows.Graphics.Display; using Windows.UI.Xaml.Media.Imaging; // SurfaceImageSource private SurfaceImageSource surfaceImageSource;

// SurfaceImageSource の作成 int pixelWidth = (int)(this.Rectangle1.Width * DisplayProperties.LogicalDpi / 96.0); int pixelHeight = (int)(this.Rectangle1.Height * DisplayProperties.LogicalDpi / 96.0); this.surfaceImageSource = new SurfaceImageSource(pixelWidth, pixelHeight); var brush = new ImageBrush(); brush.ImageSource = this.surfaceImageSource; this.Rectangle1.Fill = brush; using (var surfaceImageSourceNative = ComObject.As<SharpDX.DXGI.ISurfaceImageSourceNative>(this.surfaceImageSource)) { surfaceImageSourceNative.Device = this.d3dDevice.QueryInterface<SharpDX.DXGI.Device>(); }

// 描画コールバックを開始 CompositionTarget.Rendering += CompositionTarget_Rendering; private void CompositionTarget_Rendering(object sender, object e) { int pixelWidth = (int)(this.Rectangle1.Width * DisplayProperties.LogicalDpi / 96.0); int pixelHeight = (int)(this.Rectangle1.Height * DisplayProperties.LogicalDpi / 96.0); var updateRect = new SharpDX.Rectangle(0, 0, pixelWidth, pixelHeight); DrawingPoint offset; using (var surfaceImageSourceNative = ComObject.As<SharpDX.DXGI.ISurfaceImageSourceNative>(this.surfaceImageSource)) using (var surface = surfaceImageSourceNative.BeginDraw(updateRect, out offset)) { // レンダーターゲット作成 Size renderTargetSize; RenderTargetView renderTargetView; using (var backBuffer = surface.QueryInterface<SharpDX.Direct3D11.Texture2D>()) { renderTargetSize = new Size(backBuffer.Description.Width, backBuffer.Description.Height); renderTargetView = new RenderTargetView(this.d3dDevice, backBuffer); } ...続く

...続き // ビューポート作成 Viewport viewport = new Viewport(0, 0, (int)renderTargetSize.Width, (int)renderTargetSize.Height, 0.0f, 1.0f); // レンダーターゲット、ビューポートをセット this.d3dContext.OutputMerger.SetTargets(renderTargetView); this.d3dContext.Rasterizer.SetViewports(viewport); // 背景クリア this.d3dContext.ClearRenderTargetView(renderTargetView, Colors.Red); // レンダリング this.d3dContext.Draw(36, 0); surfaceImageSourceNative.EndDraw(); } }

頂点シェーダー GPU で頂点座標を計算 ピクセルシェーダー GPU で各ピクセルの色を計算 頂点レイアウト GPU に頂点の配置順を教える 頂点バッファー 頂点の集まり 頂点インデックス 頂点の並び順 定数バッファー GPU の変数を渡す レンダーターゲットビュー ポリゴンの色を描画 深度バッファー ポリゴンの奥行き値を描画

// 頂点シェーダー private VertexShader vertexShader; // ピクセルシェーダー private PixelShader pixelShader; // 頂点レイアウト private InputLayout layout; // 頂点バッファー private VertexBufferBinding vertexBufferBinding; // 定数バッファー private SharpDX.Direct3D11.Buffer constantBuffer;

// 頂点シェーダー、ピクセルシェーダーの読み込み、作成 var installPath = Windows.ApplicationModel.Package.Current.InstalledLocation.Path; var vertexShaderByteCode = NativeFile.ReadAllBytes(Path.Combine(installPath, "SimpleVertexShader.cso")); this.vertexShader = new VertexShader(this.d3dDevice, vertexShaderByteCode); this.pixelShader = new PixelShader(this.d3dDevice, NativeFile.ReadAllBytes(Path.Combine(installPath, "SimplePixelShader.cso"))); // 頂点レイアウト作成 this.layout = new InputLayout(this.d3dDevice, vertexShaderByteCode, new[] { new InputElement("POSITION", 0, Format.R32G32B32A32_Float, 0, 0), new InputElement("COLOR", 0, Format.R32G32B32A32_Float, 16, 0) }); ...続く

...続き // 頂点バッファー作成 var vertices = SharpDX.Direct3D11.Buffer.Create(this.d3dDevice, BindFlags.VertexBuffer, new[] { new Vector4( 0.0f, 1.3f, 1.0f, 1.0f), new Vector4(1.0f, 0.0f, 0.0f, 1.0f), // Front new Vector4( 1.1f, -0.6f, 1.0f, 1.0f), new Vector4(0.0f, 1.0f, 0.0f, 1.0f), new Vector4(-1.1f, -0.6f, 1.0f, 1.0f), new Vector4(0.0f, 0.0f, 1.0f, 1.0f), }); this.vertexBufferBinding = new VertexBufferBinding(vertices, Utilities.SizeOf<Vector4>() * 2, 0); // 定数バッファー作成 this.constantBuffer = new SharpDX.Direct3D11.Buffer(d3dDevice, Utilities.SizeOf<SharpDX.Matrix>(), ResourceUsage.Default, BindFlags.ConstantBuffer, CpuAccessFlags.None, ResourceOptionFlags.None, 0);

// レンダリングパイプライン構築 this.d3dContext.InputAssembler.SetVertexBuffers(0, this.vertexBufferBinding); this.d3dContext.InputAssembler.InputLayout = this.layout; this.d3dContext.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList; this.d3dContext.VertexShader.SetConstantBuffer(0, this.constantBuffer); this.d3dContext.VertexShader.Set(this.vertexShader); this.d3dContext.PixelShader.Set(this.pixelShader); // 定数バッファーに変換行列をセット var projection = SharpDX.Matrix.OrthoLH(4.0f, 4.0f * (float)renderTargetSize.Height / (float)renderTargetSize.Width, 0f, 2f); var worldViewProjection = SharpDX.Matrix.RotationZ(2f * (float)Math.PI * (float)DateTime.Now.Millisecond / 1000f) * projection; worldViewProjection.Transpose(); this.d3dContext.UpdateSubresource(ref worldViewProjection, this.constantBuffer, 0);

http://code.msdn.microsoft.com/windowsapps/site/search?f%5B0%5D.Type=Tech nology&f%5B0%5D.Value=DirectX