C# SwapChain.QueryInterface方法代码示例

        public SwapChainGraphicsPresenter(GraphicsDevice device, PresentationParameters presentationParameters)
            : base(device, presentationParameters)
        {
            PresentInterval = presentationParameters.PresentationInterval;

            // Initialize the swap chain
            swapChain = ToDispose(CreateSwapChain());

#if DIRECTX11_2
            swapChain2 = ToDispose(swapChain.QueryInterface<SwapChain2>());
#endif

            backBuffer = ToDispose(RenderTarget2D.New(device, swapChain.GetBackBuffer<Direct3D11.Texture2D>(0)));
        }

 public static SwapChain3 CreateSwapchain(RenderForm form, CommandQueue queue,Config config)
 {
     using (var Factory = new Factory4())
     {
         var swapChainDesc = new SwapChainDescription()
         {
             BufferCount = config.FrameCount,
             ModeDescription = new ModeDescription(config.Width, config.Height, new Rational(config.RefreshRate, 1), config.Format),
             Usage = Usage.RenderTargetOutput,
             SwapEffect = SwapEffect.FlipDiscard,
             OutputHandle = form.Handle,
             SampleDescription = new SampleDescription(config.SampleCount, config.SampleQuality),
             IsWindowed = true
         };
         var tempSwapChain = new SwapChain(Factory, queue, swapChainDesc);
         var SwapChain = tempSwapChain.QueryInterface<SwapChain3>();
         tempSwapChain.Dispose();
         return SwapChain;
     }
 }

        private void LoadPipeline(RenderForm form)
        {
            int width = form.ClientSize.Width;
            int height = form.ClientSize.Height;

            viewport.Width = width;
            viewport.Height = height;
            viewport.MaxDepth = 1.0f;

            scissorRect.Right = width;
            scissorRect.Bottom = height;

            #if DEBUG
            // Enable the D3D12 debug layer.
            {
                DebugInterface.Get().EnableDebugLayer();
            }
            #endif
            device = new Device(null, SharpDX.Direct3D.FeatureLevel.Level_11_0);
            using (var factory = new Factory4())
            {
                // Describe and create the command queue.
                CommandQueueDescription queueDesc = new CommandQueueDescription(CommandListType.Direct);
                commandQueue = device.CreateCommandQueue(queueDesc);

                // Describe and create the swap chain.
                SwapChainDescription swapChainDesc = new SwapChainDescription()
                {
                    BufferCount = FrameCount,
                    ModeDescription = new ModeDescription(width, height, new Rational(60, 1), Format.R8G8B8A8_UNorm),
                    Usage = Usage.RenderTargetOutput,
                    SwapEffect = SwapEffect.FlipDiscard,
                    OutputHandle = form.Handle,
                    //Flags = SwapChainFlags.None,
                    SampleDescription = new SampleDescription(1, 0),
                    IsWindowed = true
                };

                SwapChain tempSwapChain = new SwapChain(factory, commandQueue, swapChainDesc);
                swapChain = tempSwapChain.QueryInterface<SwapChain3>();
                tempSwapChain.Dispose();
                frameIndex = swapChain.CurrentBackBufferIndex;
            }

            // Create descriptor heaps.
            // Describe and create a render target view (RTV) descriptor heap.
            DescriptorHeapDescription rtvHeapDesc = new DescriptorHeapDescription()
            {
                DescriptorCount = FrameCount,
                Flags = DescriptorHeapFlags.None,
                Type = DescriptorHeapType.RenderTargetView
            };

            renderTargetViewHeap = device.CreateDescriptorHeap(rtvHeapDesc);

            DescriptorHeapDescription srvHeapDesc = new DescriptorHeapDescription()
            {
                DescriptorCount = 1,
                Flags = DescriptorHeapFlags.ShaderVisible,
                Type = DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView
            };

            shaderRenderViewHeap = device.CreateDescriptorHeap(srvHeapDesc);

            rtvDescriptorSize = device.GetDescriptorHandleIncrementSize(DescriptorHeapType.RenderTargetView);

            // Create frame resources.
            CpuDescriptorHandle rtvHandle = renderTargetViewHeap.CPUDescriptorHandleForHeapStart;
            for (int n = 0; n < FrameCount; n++)
            {
                renderTargets[n] = swapChain.GetBackBuffer<Resource>(n);
                device.CreateRenderTargetView(renderTargets[n], null, rtvHandle);
                rtvHandle += rtvDescriptorSize;
            }

            commandAllocator = device.CreateCommandAllocator(CommandListType.Direct);
        }

        private void LoadPipeline(RenderForm form)
        {
            int width = form.ClientSize.Width;
            int height = form.ClientSize.Height;

            viewport.Width = width;
            viewport.Height = height;
            viewport.MaxDepth = 1.0f;

            scissorRect.Right = width;
            scissorRect.Bottom = height;

            device = new Device(null, SharpDX.Direct3D.FeatureLevel.Level_11_0);

            using (var factory = new Factory4())
            {
                var queueDesc = new CommandQueueDescription(CommandListType.Direct);
                commandQueue = device.CreateCommandQueue(queueDesc);

                var swapChainDesc = new SwapChainDescription()
                {
                    BufferCount = FrameCount,
                    ModeDescription = new ModeDescription(width, height, new Rational(60, 1), Format.R8G8B8A8_UNorm),
                    Usage = Usage.RenderTargetOutput,
                    SwapEffect = SwapEffect.FlipDiscard,
                    OutputHandle = form.Handle,
                    SampleDescription = new SampleDescription(1, 0),
                    IsWindowed = true
                };

                var tempSwapChain = new SwapChain(factory, commandQueue, swapChainDesc);
                swapChain = tempSwapChain.QueryInterface<SwapChain3>();
                frameIndex = swapChain.CurrentBackBufferIndex;

            }

            var rtvHeapDesc = new DescriptorHeapDescription()
            {
                DescriptorCount = FrameCount,
                Flags = DescriptorHeapFlags.None,
                Type = DescriptorHeapType.RenderTargetView
            };

            renderTargetViewHeap = device.CreateDescriptorHeap(rtvHeapDesc);
            rtvDescriptorSize = device.GetDescriptorHandleIncrementSize(DescriptorHeapType.RenderTargetView);

            var srvHeapDesc = new DescriptorHeapDescription()
            {
                DescriptorCount = 200,
                Flags = DescriptorHeapFlags.ShaderVisible,
                Type = DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView
            };

            shaderRenderViewHeap = device.CreateDescriptorHeap(srvHeapDesc);

            var terrainHeapDesc = new DescriptorHeapDescription()
            {
                DescriptorCount = 2,
                Flags = DescriptorHeapFlags.ShaderVisible,
                Type = DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView
            };

            terrainHeap = device.CreateDescriptorHeap(terrainHeapDesc);

            var meshCtrCbvDesc = new DescriptorHeapDescription()
            {
                DescriptorCount = 1,
                Flags = DescriptorHeapFlags.ShaderVisible,
                Type = DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView
            };

            meshCtrBufferViewHeap = device.CreateDescriptorHeap(meshCtrCbvDesc);

            var rtcHandle = renderTargetViewHeap.CPUDescriptorHandleForHeapStart;
            for (int n = 0; n < FrameCount; n++)
            {
                renderTargets[n] = swapChain.GetBackBuffer<Resource>(n);
                device.CreateRenderTargetView(renderTargets[n], null, rtcHandle);
                rtcHandle += rtvDescriptorSize;
            }

            var svHeapDesc = new DescriptorHeapDescription()
            {
                Type = DescriptorHeapType.Sampler,
                DescriptorCount = 1,
                Flags = DescriptorHeapFlags.ShaderVisible,
                NodeMask = 0
            };
            samplerViewHeap = device.CreateDescriptorHeap(svHeapDesc);

            commandAllocator = device.CreateCommandAllocator(CommandListType.Direct);
        }

        private void LoadPipeline(RenderForm form)
        {
            int width = form.ClientSize.Width;
            int height = form.ClientSize.Height;

            viewport.Width = width;
            viewport.Height = height;
            viewport.MaxDepth = 1.0f;

            scissorRect.Right = width;
            scissorRect.Bottom = height;

            #if DEBUG
            // Enable the D3D12 debug layer.
            {
                DebugInterface.Get().EnableDebugLayer();
            }
            #endif
            device = new Device(null, SharpDX.Direct3D.FeatureLevel.Level_11_0);
            using (var factory = new Factory4())
            {
                // Describe and create the command queue.
                CommandQueueDescription queueDesc = new CommandQueueDescription(CommandListType.Direct);
                commandQueue = device.CreateCommandQueue(queueDesc);

                // Describe and create the swap chain.
                SwapChainDescription swapChainDesc = new SwapChainDescription()
                {
                    BufferCount = FrameCount,
                    ModeDescription = new ModeDescription(width, height, new Rational(60, 1), Format.R8G8B8A8_UNorm),
                    Usage = Usage.RenderTargetOutput,
                    SwapEffect = SwapEffect.FlipDiscard,
                    OutputHandle = form.Handle,
                    //Flags = SwapChainFlags.None,
                    SampleDescription = new SampleDescription(1, 0),
                    IsWindowed = true
                };

                SwapChain tempSwapChain = new SwapChain(factory, commandQueue, swapChainDesc);
                swapChain = tempSwapChain.QueryInterface<SwapChain3>();
                tempSwapChain.Dispose();
                frameIndex = swapChain.CurrentBackBufferIndex;
            }

            // Create descriptor heaps.
            // Describe and create a render target view (RTV) descriptor heap.
            DescriptorHeapDescription rtvHeapDesc = new DescriptorHeapDescription()
            {
                DescriptorCount = FrameCount,
                Flags = DescriptorHeapFlags.None,
                Type = DescriptorHeapType.RenderTargetView
            };

            renderTargetViewHeap = device.CreateDescriptorHeap(rtvHeapDesc);

            rtvDescriptorSize = device.GetDescriptorHandleIncrementSize(DescriptorHeapType.RenderTargetView);

            // Create frame resources.
            CpuDescriptorHandle rtvHandle = renderTargetViewHeap.CPUDescriptorHandleForHeapStart;
            for (int n = 0; n < FrameCount; n++)
            {
                renderTargets[n] = swapChain.GetBackBuffer<Resource>(n);
                device.CreateRenderTargetView(renderTargets[n], null, rtvHandle);
                rtvHandle += rtvDescriptorSize;
            }

            //create depth buffer;
            DescriptorHeapDescription dsvHeapDesc = new DescriptorHeapDescription()
            {
                DescriptorCount = FrameCount,
                Flags = DescriptorHeapFlags.None,
                Type = DescriptorHeapType.DepthStencilView
            };
            depthStencilViewHeap = device.CreateDescriptorHeap(dsvHeapDesc);
            CpuDescriptorHandle dsvHandle = depthStencilViewHeap.CPUDescriptorHandleForHeapStart;

            ClearValue depthOptimizedClearValue = new ClearValue()
            {
                Format = Format.D32_Float,
                DepthStencil = new DepthStencilValue() { Depth = 1.0F, Stencil = 0 },
            };

            depthTarget = device.CreateCommittedResource(
                new HeapProperties(HeapType.Default),
                HeapFlags.None,
                new ResourceDescription(ResourceDimension.Texture2D, 0, width, height, 1, 0, Format.D32_Float, 1, 0, TextureLayout.Unknown, ResourceFlags.AllowDepthStencil),
                ResourceStates.DepthWrite, depthOptimizedClearValue);

            var depthView = new DepthStencilViewDescription()
            {
                Format = Format.D32_Float,
                Dimension = DepthStencilViewDimension.Texture2D,
                Flags = DepthStencilViewFlags.None,
            };

            //bind depth buffer
            device.CreateDepthStencilView(depthTarget, null, dsvHandle);

            commandAllocator = device.CreateCommandAllocator(CommandListType.Direct);
            bundleAllocator = device.CreateCommandAllocator(CommandListType.Bundle);
//.........这里部分代码省略.........

        private void LoadPipeline(RenderForm form)
        {
            int width = form.ClientSize.Width;
            int height = form.ClientSize.Height;

            #if DEBUG
            // Enable the D3D12 debug layer.
            {
                DebugInterface.Get().EnableDebugLayer();
            }
            #endif
            device = new Device(null, SharpDX.Direct3D.FeatureLevel.Level_11_0);
            using (var factory = new Factory4())
            {
                // Describe and create the command queue.
                CommandQueueDescription queueDesc = new CommandQueueDescription(CommandListType.Direct);
                commandQueue = device.CreateCommandQueue(queueDesc);

                // Describe and create the swap chain.
                SwapChainDescription swapChainDesc = new SwapChainDescription()
                {
                    BufferCount = FrameCount,
                    ModeDescription = new ModeDescription(width, height, new Rational(60, 1), Format.R8G8B8A8_UNorm),
                    Usage = Usage.RenderTargetOutput,
                    SwapEffect = SwapEffect.FlipDiscard,
                    OutputHandle = form.Handle,
                    //Flags = SwapChainFlags.None,
                    SampleDescription = new SampleDescription(1, 0),
                    IsWindowed = true
                };

                SwapChain tempSwapChain = new SwapChain(factory, commandQueue, swapChainDesc);
                swapChain = tempSwapChain.QueryInterface<SwapChain3>();
                tempSwapChain.Dispose();
                frameIndex = swapChain.CurrentBackBufferIndex;
            }

            // Create descriptor heaps.
            // Describe and create a render target view (RTV) descriptor heap.
            renderTargetViewHeap = device.CreateDescriptorHeap(new DescriptorHeapDescription()
            {
                DescriptorCount = FrameCount,
                Flags = DescriptorHeapFlags.None,
                Type = DescriptorHeapType.RenderTargetView
            });
            rtvDescriptorSize = device.GetDescriptorHandleIncrementSize(DescriptorHeapType.RenderTargetView);

            //create depth buffer;
            depthStencilViewHeap = device.CreateDescriptorHeap(new DescriptorHeapDescription()
            {
                DescriptorCount = FrameCount,
                Flags = DescriptorHeapFlags.None,
                Type = DescriptorHeapType.DepthStencilView
            });

            //constant buffer view heap
            constantBufferViewHeap = device.CreateDescriptorHeap(new DescriptorHeapDescription()
            {
                DescriptorCount = 100,
                Type = DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView,
                Flags = DescriptorHeapFlags.ShaderVisible
            });

            //Create targets
            CreateTargets(width, height);

            //sampler buffer view heap
            samplerViewHeap = device.CreateDescriptorHeap(new DescriptorHeapDescription()
            {
                DescriptorCount = 10,
                Type = DescriptorHeapType.Sampler,
                Flags = DescriptorHeapFlags.ShaderVisible
            });

            //bind sampler
            device.CreateSampler(new SamplerStateDescription()
            {
                Filter = Filter.ComparisonMinMagMipLinear,
                AddressU = TextureAddressMode.Wrap,
                AddressV = TextureAddressMode.Wrap,
                AddressW = TextureAddressMode.Wrap,
                MinimumLod = float.MinValue,
                MaximumLod = float.MaxValue,
                MipLodBias = 0,
                MaximumAnisotropy = 0,
                ComparisonFunction = Comparison.Never
            }, samplerViewHeap.CPUDescriptorHandleForHeapStart);

            commandAllocator = device.CreateCommandAllocator(CommandListType.Direct);
            bundleAllocator = device.CreateCommandAllocator(CommandListType.Bundle);

            form.UserResized += (sender, e) =>
             {
                 isResizing = true;
             };
        }

        private void LoadPipeline(RenderForm form)
        {
            int width = form.ClientSize.Width;
            int height = form.ClientSize.Height;

            viewport.Width = width;
            viewport.Height = height;
            viewport.MaxDepth = 1.0f;

            scissorRect.Right = width;
            scissorRect.Bottom = height;

            #if DEBUG
            // Enable the D3D12 debug layer.
            {
                DebugInterface.Get().EnableDebugLayer();
            }
            #endif
            device = new Device(null, SharpDX.Direct3D.FeatureLevel.Level_12_0);
            using (var factory = new Factory4())
            {

                // Describe and create the command queue.
                CommandQueueDescription queueDesc = new CommandQueueDescription(CommandListType.Direct);
                commandQueue = device.CreateCommandQueue(queueDesc);

                // Describe and create the swap chain.
                SwapChainDescription swapChainDesc = new SwapChainDescription()
                {
                    BufferCount = FrameCount,
                    ModeDescription = new ModeDescription(width, height, new Rational(60, 1), Format.R8G8B8A8_UNorm),
                    Usage = Usage.RenderTargetOutput,
                    SwapEffect = SwapEffect.FlipDiscard,
                    OutputHandle = form.Handle,
                    //Flags = SwapChainFlags.None,
                    SampleDescription = new SampleDescription(1, 0),
                    IsWindowed = true
                };

                SwapChain tempSwapChain = new SwapChain(factory, commandQueue, swapChainDesc);
                swapChain = tempSwapChain.QueryInterface<SwapChain3>();
                tempSwapChain.Dispose();
                frameIndex = swapChain.CurrentBackBufferIndex;
            }

            // Create descriptor heaps.
            // Describe and create a render target view (RTV) descriptor heap.
            DescriptorHeapDescription rtvHeapDesc = new DescriptorHeapDescription()
            {
                DescriptorCount = FrameCount,
                Flags = DescriptorHeapFlags.None,
                Type = DescriptorHeapType.RenderTargetView
            };

            renderTargetViewHeap = device.CreateDescriptorHeap(rtvHeapDesc);

            rtvDescriptorSize = device.GetDescriptorHandleIncrementSize(DescriptorHeapType.RenderTargetView);

            //Init Direct3D11 device from Direct3D12 device
            device11 = SharpDX.Direct3D11.Device.CreateFromDirect3D12(device, SharpDX.Direct3D11.DeviceCreationFlags.BgraSupport, null, null, commandQueue);
            deviceContext11 = device11.ImmediateContext;
            device11on12 = device11.QueryInterface<SharpDX.Direct3D11.ID3D11On12Device>();
            var d2dFactory = new SharpDX.Direct2D1.Factory(SharpDX.Direct2D1.FactoryType.MultiThreaded);

            // Create frame resources.
            CpuDescriptorHandle rtvHandle = renderTargetViewHeap.CPUDescriptorHandleForHeapStart;
            for (int n = 0; n < FrameCount; n++)
            {
                renderTargets[n] = swapChain.GetBackBuffer<Resource>(n);
                device.CreateRenderTargetView(renderTargets[n], null, rtvHandle);
                rtvHandle += rtvDescriptorSize;

                //init Direct2D surfaces
                SharpDX.Direct3D11.D3D11ResourceFlags format = new SharpDX.Direct3D11.D3D11ResourceFlags()
                {
                    BindFlags = (int)SharpDX.Direct3D11.BindFlags.RenderTarget,
                    CPUAccessFlags = (int)SharpDX.Direct3D11.CpuAccessFlags.None
                };

                device11on12.CreateWrappedResource(
                    renderTargets[n], format,
                    (int)ResourceStates.Present,
                    (int)ResourceStates.RenderTarget,
                    typeof(SharpDX.Direct3D11.Resource).GUID,
                    out wrappedBackBuffers[n]);

                //Init direct2D surface
                var d2dSurface = wrappedBackBuffers[n].QueryInterface<Surface>();
                direct2DRenderTarget[n] = new SharpDX.Direct2D1.RenderTarget(d2dFactory, d2dSurface, new SharpDX.Direct2D1.RenderTargetProperties(new SharpDX.Direct2D1.PixelFormat(Format.Unknown, SharpDX.Direct2D1.AlphaMode.Premultiplied)));
                d2dSurface.Dispose();
            }

            commandAllocator = device.CreateCommandAllocator(CommandListType.Direct);

            d2dFactory.Dispose();

            //Init font
            var directWriteFactory = new SharpDX.DirectWrite.Factory();
            textFormat = new SharpDX.DirectWrite.TextFormat(directWriteFactory, "Arial", SharpDX.DirectWrite.FontWeight.Bold, SharpDX.DirectWrite.FontStyle.Normal, 48) { TextAlignment = SharpDX.DirectWrite.TextAlignment.Leading, ParagraphAlignment = SharpDX.DirectWrite.ParagraphAlignment.Near };
            textBrush = new SharpDX.Direct2D1.SolidColorBrush(direct2DRenderTarget[0], Color.White);
//.........这里部分代码省略.........