コード例 #1
0
            private unsafe void SaveScreenshot(string path, ContainerFormat format = ContainerFormat.Jpeg)
            {
                var             d3d11GraphicsDevice = ((D3D11GraphicsDevice)_graphicsDevice !);
                ID3D11Texture2D source = Headless ? d3d11GraphicsDevice !.OffscreenTexture : d3d11GraphicsDevice !.BackBufferTexture;

                using (ID3D11Texture2D staging = d3d11GraphicsDevice !.CaptureTexture(source))
                {
                    staging.DebugName = "STAGING";

                    var textureDesc = staging !.Description;

                    // Determine source format's WIC equivalent
                    Guid pfGuid = default;
                    bool sRGB   = false;
                    switch (textureDesc.Format)
                    {
                    case Vortice.DXGI.Format.R32G32B32A32_Float:
                        pfGuid = WICPixelFormat.Format128bppRGBAFloat;
                        break;

                    //case DXGI_FORMAT_R16G16B16A16_FLOAT: pfGuid = GUID_WICPixelFormat64bppRGBAHalf; break;
                    //case DXGI_FORMAT_R16G16B16A16_UNORM: pfGuid = GUID_WICPixelFormat64bppRGBA; break;
                    //case DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM: pfGuid = GUID_WICPixelFormat32bppRGBA1010102XR; break; // DXGI 1.1
                    //case DXGI_FORMAT_R10G10B10A2_UNORM: pfGuid = GUID_WICPixelFormat32bppRGBA1010102; break;
                    //case DXGI_FORMAT_B5G5R5A1_UNORM: pfGuid = GUID_WICPixelFormat16bppBGRA5551; break;
                    //case DXGI_FORMAT_B5G6R5_UNORM: pfGuid = GUID_WICPixelFormat16bppBGR565; break;
                    //case DXGI_FORMAT_R32_FLOAT: pfGuid = GUID_WICPixelFormat32bppGrayFloat; break;
                    //case DXGI_FORMAT_R16_FLOAT: pfGuid = GUID_WICPixelFormat16bppGrayHalf; break;
                    //case DXGI_FORMAT_R16_UNORM: pfGuid = GUID_WICPixelFormat16bppGray; break;
                    //case DXGI_FORMAT_R8_UNORM: pfGuid = GUID_WICPixelFormat8bppGray; break;
                    //case DXGI_FORMAT_A8_UNORM: pfGuid = GUID_WICPixelFormat8bppAlpha; break;

                    case Vortice.DXGI.Format.R8G8B8A8_UNorm:
                        pfGuid = WICPixelFormat.Format32bppRGBA;
                        break;

                    case Vortice.DXGI.Format.R8G8B8A8_UNorm_SRgb:
                        pfGuid = WICPixelFormat.Format32bppRGBA;
                        sRGB   = true;
                        break;

                    case Vortice.DXGI.Format.B8G8R8A8_UNorm:     // DXGI 1.1
                        pfGuid = WICPixelFormat.Format32bppBGRA;
                        break;

                    case Vortice.DXGI.Format.B8G8R8A8_UNorm_SRgb:     // DXGI 1.1
                        pfGuid = WICPixelFormat.Format32bppBGRA;
                        sRGB   = true;
                        break;

                    case Vortice.DXGI.Format.B8G8R8X8_UNorm:     // DXGI 1.1
                        pfGuid = WICPixelFormat.Format32bppBGR;
                        break;

                    case Vortice.DXGI.Format.B8G8R8X8_UNorm_SRgb:     // DXGI 1.1
                        pfGuid = WICPixelFormat.Format32bppBGR;
                        sRGB   = true;
                        break;

                    default:
                        //Console.WriteLine("ERROR: ScreenGrab does not support all DXGI formats (%u). Consider using DirectXTex.\n", static_cast<uint32_t>(desc.Format));
                        return;
                    }

                    // Screenshots don't typically include the alpha channel of the render target
                    Guid targetGuid = default;
                    switch (textureDesc.Format)
                    {
                    case Vortice.DXGI.Format.R32G32B32A32_Float:
                    case Vortice.DXGI.Format.R16G16B16A16_Float:
                        //if (_IsWIC2())
                    {
                        targetGuid = WICPixelFormat.Format96bppRGBFloat;
                    }
                        //else
                        //{
                        //    targetGuid = WICPixelFormat.Format24bppBGR;
                        //}
                        break;

                    case Vortice.DXGI.Format.R16G16B16A16_UNorm:
                        targetGuid = WICPixelFormat.Format48bppBGR;
                        break;

                    case Vortice.DXGI.Format.B5G5R5A1_UNorm:
                        targetGuid = WICPixelFormat.Format16bppBGR555;
                        break;

                    case Vortice.DXGI.Format.B5G6R5_UNorm:
                        targetGuid = WICPixelFormat.Format16bppBGR565;
                        break;

                    case Vortice.DXGI.Format.R32_Float:
                    case Vortice.DXGI.Format.R16_Float:
                    case Vortice.DXGI.Format.R16_UNorm:
                    case Vortice.DXGI.Format.R8_UNorm:
                    case Vortice.DXGI.Format.A8_UNorm:
                        targetGuid = WICPixelFormat.Format8bppGray;
                        break;

                    default:
                        targetGuid = WICPixelFormat.Format24bppBGR;
                        break;
                    }

                    using var wicFactory            = new IWICImagingFactory();
                    using IWICBitmapDecoder decoder = wicFactory.CreateDecoderFromFileName(path);


                    using Stream stream             = File.OpenWrite(path);
                    using IWICStream wicStream      = wicFactory.CreateStream(stream);
                    using IWICBitmapEncoder encoder = wicFactory.CreateEncoder(format, wicStream);
                    // Create a Frame encoder
                    var props = new SharpGen.Runtime.Win32.PropertyBag();
                    var frame = encoder.CreateNewFrame(props);
                    frame.Initialize(props);
                    frame.SetSize(textureDesc.Width, textureDesc.Height);
                    frame.SetResolution(72, 72);
                    frame.SetPixelFormat(targetGuid);

                    var context = d3d11GraphicsDevice !.DeviceContext;
                    //var mapped = context.Map(staging, 0, MapMode.Read, MapFlags.None);
                    Span <Color> colors = context.Map <Color>(staging, 0, 0, MapMode.Read, MapFlags.None);

                    // Check conversion
                    if (targetGuid != pfGuid)
                    {
                        // Conversion required to write
                        using (IWICBitmap bitmapSource = wicFactory.CreateBitmapFromMemory(
                                   textureDesc.Width,
                                   textureDesc.Height,
                                   pfGuid,
                                   colors))
                        {
                            using (IWICFormatConverter formatConverter = wicFactory.CreateFormatConverter())
                            {
                                formatConverter.CanConvert(pfGuid, targetGuid, out RawBool canConvert);
                                if (!canConvert)
                                {
                                    context.Unmap(staging, 0);
                                    return;
                                }

                                formatConverter.Initialize(bitmapSource, targetGuid, BitmapDitherType.None, null, 0, BitmapPaletteType.MedianCut);
                                frame.WriteSource(formatConverter, new Rectangle(textureDesc.Width, textureDesc.Height));
                            }
                        }
                    }
                    else
                    {
                        // No conversion required
                        int stride = WICPixelFormat.GetStride(pfGuid, textureDesc.Width);
                        frame.WritePixels(textureDesc.Height, stride, colors);
                    }

                    context.Unmap(staging, 0);
                    frame.Commit();
                    encoder.Commit();
                }
            }
コード例 #2
0
        private unsafe void SaveScreenshot(string path, ContainerFormat format = ContainerFormat.Jpeg)
        {
            var             d3d11GraphicsDevice = ((D3D11GraphicsDevice)_graphicsDevice !);
            ID3D11Texture2D source = Headless ? d3d11GraphicsDevice !.OffscreenTexture : d3d11GraphicsDevice !.BackBufferTexture;

            path = Path.Combine(AppContext.BaseDirectory, path);

            using (ID3D11Texture2D staging = d3d11GraphicsDevice !.CaptureTexture(source))
            {
                staging.DebugName = "STAGING";

                var textureDesc = staging !.Description;

                // Determine source format's WIC equivalent
                Guid pfGuid = default;
                bool sRGB   = false;
                switch (textureDesc.Format)
                {
                case Format.R32G32B32A32_Float:
                    pfGuid = WICPixelFormat.Format128bppRGBAFloat;
                    break;

                case Format.R16G16B16A16_Float:
                    pfGuid = WICPixelFormat.Format64bppRGBAHalf;
                    break;

                case Format.R16G16B16A16_UNorm:
                    pfGuid = WICPixelFormat.Format64bppRGBA;
                    break;

                // DXGI 1.1
                case Format.R10G10B10_Xr_Bias_A2_UNorm:
                    pfGuid = WICPixelFormat.Format32bppRGBA1010102XR;
                    break;

                case Format.R10G10B10A2_UNorm:
                    pfGuid = WICPixelFormat.Format32bppRGBA1010102;
                    break;

                case Format.B5G5R5A1_UNorm:
                    pfGuid = WICPixelFormat.Format16bppBGRA5551;
                    break;

                case Format.B5G6R5_UNorm:
                    pfGuid = WICPixelFormat.Format16bppBGR565;
                    break;

                case Format.R32_Float:
                    pfGuid = WICPixelFormat.Format32bppGrayFloat;
                    break;

                case Format.R16_Float:
                    pfGuid = WICPixelFormat.Format16bppGrayHalf;
                    break;

                case Format.R16_UNorm:
                    pfGuid = WICPixelFormat.Format16bppGray;
                    break;

                case Format.R8_UNorm:
                    pfGuid = WICPixelFormat.Format8bppGray;
                    break;

                case Format.A8_UNorm:
                    pfGuid = WICPixelFormat.Format8bppAlpha;
                    break;

                case Format.R8G8B8A8_UNorm:
                    pfGuid = WICPixelFormat.Format32bppRGBA;
                    break;

                case Format.R8G8B8A8_UNorm_SRgb:
                    pfGuid = WICPixelFormat.Format32bppRGBA;
                    sRGB   = true;
                    break;

                case Format.B8G8R8A8_UNorm:     // DXGI 1.1
                    pfGuid = WICPixelFormat.Format32bppBGRA;
                    break;

                case Format.B8G8R8A8_UNorm_SRgb:     // DXGI 1.1
                    pfGuid = WICPixelFormat.Format32bppBGRA;
                    sRGB   = true;
                    break;

                case Format.B8G8R8X8_UNorm:     // DXGI 1.1
                    pfGuid = WICPixelFormat.Format32bppBGR;
                    break;

                case Format.B8G8R8X8_UNorm_SRgb:     // DXGI 1.1
                    pfGuid = WICPixelFormat.Format32bppBGR;
                    sRGB   = true;
                    break;

                default:
                    Console.WriteLine($"ERROR: ScreenGrab does not support all DXGI formats ({textureDesc.Format})");
                    return;
                }

                using var wicFactory = new IWICImagingFactory2();
                //using IWICBitmapDecoder decoder = wicFactory.CreateDecoderFromFileName(path);

                //using Stream stream = File.OpenWrite(path);
                //using IWICStream wicStream = wicFactory.CreateStream(stream);
                using IWICStream wicStream      = wicFactory.CreateStream(path, FileAccess.Write);
                using IWICBitmapEncoder encoder = wicFactory.CreateEncoder(format, wicStream);
                // Create a Frame encoder
                using IWICBitmapFrameEncode frame = encoder.CreateNewFrame(out SharpGen.Runtime.Win32.IPropertyBag2? props);
                frame.Initialize(props);
                frame.SetSize(textureDesc.Width, textureDesc.Height);
                frame.SetResolution(72, 72);

                // Screenshots don't typically include the alpha channel of the render target
                Guid targetGuid;
                switch (textureDesc.Format)
                {
                case Format.R32G32B32A32_Float:
                case Format.R16G16B16A16_Float:
                    //if (IsWIC2())
                {
                    targetGuid = WICPixelFormat.Format96bppRGBFloat;
                }
                    //else
                    //{
                    //    targetGuid = WICPixelFormat.Format24bppBGR;
                    //}
                    break;

                case Format.R16G16B16A16_UNorm:
                    targetGuid = WICPixelFormat.Format48bppBGR;
                    break;

                case Format.B5G5R5A1_UNorm:
                    targetGuid = WICPixelFormat.Format16bppBGR555;
                    break;

                case Format.B5G6R5_UNorm:
                    targetGuid = WICPixelFormat.Format16bppBGR565;
                    break;

                case Format.R32_Float:
                case Format.R16_Float:
                case Format.R16_UNorm:
                case Format.R8_UNorm:
                case Format.A8_UNorm:
                    targetGuid = WICPixelFormat.Format8bppGray;
                    break;

                default:
                    targetGuid = WICPixelFormat.Format24bppBGR;
                    break;
                }
                frame.SetPixelFormat(targetGuid);

                ID3D11DeviceContext1 context = d3d11GraphicsDevice !.DeviceContext;

                const bool native = false;
                if (native)
                {
                    MappedSubresource mappedSubresource = context.Map(staging, 0, MapMode.Read);
                    int imageSize = mappedSubresource.RowPitch * textureDesc.Height;
                    if (targetGuid != pfGuid)
                    {
                        // Conversion required to write
                        using (IWICBitmap bitmapSource = wicFactory.CreateBitmapFromMemory(
                                   textureDesc.Width,
                                   textureDesc.Height,
                                   pfGuid,
                                   mappedSubresource.RowPitch,
                                   imageSize,
                                   mappedSubresource.DataPointer))
                        {
                            using (IWICFormatConverter formatConverter = wicFactory.CreateFormatConverter())
                            {
                                if (!formatConverter.CanConvert(pfGuid, targetGuid))
                                {
                                    context.Unmap(staging, 0);
                                    return;
                                }

                                formatConverter.Initialize(bitmapSource, targetGuid, BitmapDitherType.None, null, 0, BitmapPaletteType.MedianCut);
                                frame.WriteSource(formatConverter, new RectI(textureDesc.Width, textureDesc.Height));
                            }
                        }
                    }
                    else
                    {
                        // No conversion required
                        frame.WritePixels(textureDesc.Height, mappedSubresource.RowPitch, imageSize, mappedSubresource.DataPointer);
                    }
                }
                else
                {
                    int stride = WICPixelFormat.GetStride(pfGuid, textureDesc.Width);
                    ReadOnlySpan <Color> colors = context.MapReadOnly <Color>(staging);

                    if (targetGuid != pfGuid)
                    {
                        // Conversion required to write
                        using (IWICBitmap bitmapSource = wicFactory.CreateBitmapFromMemory(
                                   textureDesc.Width,
                                   textureDesc.Height,
                                   pfGuid,
                                   colors,
                                   stride))
                        {
                            using (IWICFormatConverter formatConverter = wicFactory.CreateFormatConverter())
                            {
                                if (!formatConverter.CanConvert(pfGuid, targetGuid))
                                {
                                    context.Unmap(staging, 0);
                                    return;
                                }

                                formatConverter.Initialize(bitmapSource, targetGuid, BitmapDitherType.None, null, 0, BitmapPaletteType.MedianCut);
                                frame.WriteSource(formatConverter, new RectI(textureDesc.Width, textureDesc.Height));
                            }
                        }
                    }
                    else
                    {
                        // No conversion required
                        frame.WritePixels(textureDesc.Height, stride, colors);
                    }
                }

                context.Unmap(staging, 0);
                frame.Commit();
                encoder.Commit();
            }
        }