Пример #1
0
        private static void Main()
        {
            var form = new RenderForm("SharpDX - MiniTri Direct3D 10 Sample");

            // SwapChain description
            var desc = new SwapChainDescription()
            {
                BufferCount     = 1,
                ModeDescription =
                    new ModeDescription(form.ClientSize.Width, form.ClientSize.Height,
                                        new Rational(60, 1), Format.R8G8B8A8_UNorm),
                IsWindowed        = true,
                OutputHandle      = form.Handle,
                SampleDescription = new SampleDescription(1, 0),
                SwapEffect        = SwapEffect.Discard,
                Usage             = Usage.RenderTargetOutput
            };

            // Create Device and SwapChain
            Device    device;
            SwapChain swapChain;

            Device.CreateWithSwapChain(DriverType.Hardware, DeviceCreationFlags.Debug, desc, out device, out swapChain);


            // Ignore all windows events
            Factory factory = swapChain.GetParent <Factory>();

            factory.MakeWindowAssociation(form.Handle, WindowAssociationFlags.IgnoreAll);

            // New RenderTargetView from the backbuffer
            Texture2D backBuffer = Texture2D.FromSwapChain <Texture2D>(swapChain, 0);
            var       renderView = new RenderTargetView(device, backBuffer);

            // Compile Vertex and Pixel shaders
            var vertexShaderByteCode = ShaderBytecode.CompileFromFile("MiniTri.fx", "VS", "vs_4_0", ShaderFlags.None,
                                                                      EffectFlags.None);
            var vertexShader = new VertexShader(device, vertexShaderByteCode);

            var pixelShaderByteCode = ShaderBytecode.CompileFromFile("MiniTri.fx", "PS", "ps_4_0", ShaderFlags.None,
                                                                     EffectFlags.None);
            var pixelShader = new PixelShader(device, pixelShaderByteCode);

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

            // Write vertex data to a datastream
            var stream = new DataStream(32 * 3, true, true);

            stream.WriteRange(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)
            });
            stream.Position = 0;

            // Instantiate Vertex buiffer from vertex data
            var vertices = new Buffer(device, stream, new BufferDescription()
            {
                BindFlags      = BindFlags.VertexBuffer,
                CpuAccessFlags = CpuAccessFlags.None,
                OptionFlags    = ResourceOptionFlags.None,
                SizeInBytes    = 32 * 3,
                Usage          = ResourceUsage.Default,
            });

            stream.Release();

            // Prepare All the stages
            device.InputAssembler.SetInputLayout(layout);
            device.InputAssembler.SetPrimitiveTopology(PrimitiveTopology.TriangleList);
            device.InputAssembler.SetVertexBuffers(0, new VertexBufferBinding(vertices, 32, 0));
            device.VertexShader.Set(vertexShader);
            device.Rasterizer.SetViewports(new Viewport(0, 0, form.ClientSize.Width, form.ClientSize.Height, 0.0f, 1.0f));
            device.PixelShader.Set(pixelShader);
            device.OutputMerger.SetTargets(renderView);

            // Main loop
            RenderLoop.Run(form, () =>
            {
                device.ClearRenderTargetView(renderView, new Color4(1.0f, 0.0f, 0.0f, 0.0f));
                device.Draw(3, 0);
                swapChain.Present(0, PresentFlags.None);
            });

            // Release all resources
            vertexShaderByteCode.Release();
            vertexShader.Release();
            pixelShaderByteCode.Release();
            pixelShader.Release();
            vertices.Release();
            layout.Release();
            renderView.Release();
            backBuffer.Release();
            device.ClearState();
            device.Flush();
            device.Release();
            device.Release();
            swapChain.Release();
            factory.Release();
        }