Exemple #1
0
            public void Generate(Component_Mesh mesh, string writeRealFileName)
            {
                this.mesh = mesh;
                Init();

                //create scene
                var scene = CreateScene(false);

                if (mesh != null)
                {
                    var objInSpace = scene.CreateComponent <Component_MeshInSpace>();
                    objInSpace.Mesh = mesh;
                }
                scene.Enabled = true;

                //generate an image
                {
                    viewport.Update(true);

                    //clear temp data
                    viewport.RenderingContext.MultiRenderTarget_DestroyAll();
                    viewport.RenderingContext.DynamicTexture_DestroyAll();

                    texture.Result.GetRealObject(true).BlitTo(viewport.RenderingContext.CurrentViewNumber, textureRead.Result.GetRealObject(true), 0, 0);

                    var demandedFrame = textureRead.Result.GetRealObject(true).Read(imageData, 0);

                    while (RenderingSystem.CallBgfxFrame() < demandedFrame)
                    {
                    }
                }

                //write png
                if (!ImageUtility.Save(writeRealFileName, imageData, imageSizeRender, 1, imageFormat, 1, 0, out var error))
                {
                    throw new Exception(error);
                }

                DetachAndOrDestroyScene();
                Shutdown();
            }
        static bool GenerateFile(string sourceRealFileName, bool generateIrradiance, int destSize, string destRealFileName, List <Vector3> outIrradianceValues, out string error)
        {
            var tempDirectory = GetTemporaryDirectory();

            string arguments;

            if (generateIrradiance)
            {
                arguments = $"--format=hdr --size={destSize} --type=cubemap --ibl-irradiance=\"{tempDirectory}\" \"{sourceRealFileName}\"";
            }
            else
            {
                arguments = $"--format=hdr --size={destSize} --type=cubemap -x \"{tempDirectory}\" \"{sourceRealFileName}\"";
            }

            var process = new Process();

            process.StartInfo.FileName  = Path.Combine(VirtualFileSystem.Directories.EngineInternal, @"Tools\Filament\cmgen.exe");
            process.StartInfo.Arguments = arguments;
            process.Start();
            process.WaitForExit();

            var exitCode = process.ExitCode;

            if (exitCode != 0)
            {
                error = $"cmgen.exe exit code = {exitCode}.";
                return(false);
            }

            var folder = Path.Combine(tempDirectory, Path.GetFileNameWithoutExtension(sourceRealFileName));

            int  size;
            bool need16bit = false;
            {
                var file  = Path.Combine(folder, generateIrradiance ? "i_nx.hdr" : "m0_nx.hdr");
                var bytes = File.ReadAllBytes(file);
                if (!ImageUtility.LoadFromBuffer(bytes, "hdr", out var data, out var size2, out _, out var format, out _, out _, out error))
                {
                    return(false);
                }
                size = size2.X;
                if (format != PixelFormat.Float32RGB)
                {
                    error = "format != PixelFormat.Float32RGB";
                    return(false);
                }

                var image2D = new ImageUtility.Image2D(format, size2, data);
                for (int y = 0; y < image2D.Size.Y; y++)
                {
                    for (int x = 0; x < image2D.Size.X; x++)
                    {
                        var v = image2D.GetPixel(new Vector2I(x, y));
                        if (v.X > 1.001f || v.Y >= 1.001f || v.Z >= 1.001f)
                        {
                            need16bit = true;
                            goto end16bit;
                        }
                    }
                }
                end16bit :;
            }

            var surfaces = new List <DDSImage.Surface>();

            for (int face = 0; face < 6; face++)
            {
                int counter     = 0;
                int currentSize = size;
                while (currentSize > 0)
                {
                    var postfixes = new string[] { "px", "nx", "py", "ny", "pz", "nz" };

                    string file;
                    if (generateIrradiance)
                    {
                        file = Path.Combine(folder, $"i_{postfixes[ face ]}.hdr");
                    }
                    else
                    {
                        file = Path.Combine(folder, $"m{counter}_{postfixes[ face ]}.hdr");
                    }

                    var bytes = File.ReadAllBytes(file);
                    if (!ImageUtility.LoadFromBuffer(bytes, "hdr", out var data, out var size2, out _, out var format, out _, out _, out error))
                    {
                        return(false);
                    }
                    if (format != PixelFormat.Float32RGB)
                    {
                        error = "format != PixelFormat.Float32RGB";
                        return(false);
                    }
                    if (size2.X != currentSize)
                    {
                        error = "size2.X != currentSize";
                        return(false);
                    }

                    if (need16bit)
                    {
                        byte[] newData = new byte[currentSize * currentSize * 4 * 2];

                        unsafe
                        {
                            fixed(byte *pData = data)
                            {
                                float *pData2 = (float *)pData;

                                fixed(byte *pNewData = newData)
                                {
                                    Half *pNewData2 = (Half *)pNewData;

                                    for (int n = 0; n < currentSize * currentSize; n++)
                                    {
                                        pNewData2[n * 4 + 0] = new Half(pData2[n * 3 + 0]);
                                        pNewData2[n * 4 + 1] = new Half(pData2[n * 3 + 1]);
                                        pNewData2[n * 4 + 2] = new Half(pData2[n * 3 + 2]);
                                        pNewData2[n * 4 + 3] = new Half(1.0f);
                                    }
                                }
                            }
                        }

                        surfaces.Add(new DDSImage.Surface(new Vector2I(currentSize, currentSize), newData));
                    }
                    else
                    {
                        byte[] newData = new byte[currentSize * currentSize * 4];

                        unsafe
                        {
                            fixed(byte *pData = data)
                            {
                                float *pData2 = (float *)pData;

                                for (int n = 0; n < currentSize * currentSize; n++)
                                {
                                    newData[n * 4 + 3] = 255;
                                    newData[n * 4 + 2] = (byte)(MathEx.Saturate(pData2[n * 3 + 0]) * 255.0);
                                    newData[n * 4 + 1] = (byte)(MathEx.Saturate(pData2[n * 3 + 1]) * 255.0);
                                    newData[n * 4 + 0] = (byte)(MathEx.Saturate(pData2[n * 3 + 2]) * 255.0);
                                }
                            }
                        }

                        surfaces.Add(new DDSImage.Surface(new Vector2I(currentSize, currentSize), newData));
                    }

                    counter++;
                    currentSize /= 2;

                    if (generateIrradiance)
                    {
                        break;
                    }
                }
            }

            var image = new DDSImage(need16bit ? DDSImage.FormatEnum.R16G16B16A16 : DDSImage.FormatEnum.X8R8G8B8, surfaces.ToArray(), true);

            if (!WriteToFile(destRealFileName, image, out error))
            {
                return(false);
            }

            if (outIrradianceValues != null)
            {
                var shFile = Path.Combine(folder, "sh.txt");
                var lines  = File.ReadAllLines(shFile);
                foreach (var line in lines)
                {
                    var index1 = line.IndexOf('(');
                    var index2 = line.IndexOf(')');
                    if (index1 != -1 && index2 != -1)
                    {
                        var str = line.Substring(index1 + 1, index2 - index1 - 1).Trim();

                        var strs = str.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
                        if (strs.Length != 3)
                        {
                            error = "Unable to parse \"sh.txt\".";
                            return(false);
                        }

                        var x = double.Parse(strs[0].Trim());
                        var y = double.Parse(strs[1].Trim());
                        var z = double.Parse(strs[2].Trim());

                        outIrradianceValues.Add(new Vector3(x, y, z));
                    }
                }
            }

            DeleteDirectory(tempDirectory);

            error = "";
            return(true);
        }
        public void UpdateCaptureCubemap()
        {
            if (Mode.Value != ModeEnum.Capture)
            {
                return;
            }

            Component_Image texture     = null;
            Component_Image textureRead = null;

            try
            {
                //create

                var resolution = Resolution.Value;
                var hdr        = HDR.Value;

                var size = int.Parse(resolution.ToString().Replace("_", ""));
                //!!!!16 бит достаточно, тогда нужно поддержку для Image2D
                PixelFormat format = hdr ? PixelFormat.Float32RGBA : PixelFormat.A8R8G8B8;
                //PixelFormat format = hdr ? PixelFormat.Float16RGBA : PixelFormat.A8R8G8B8;

                texture               = ComponentUtility.CreateComponent <Component_Image>(null, true, false);
                texture.CreateType    = Component_Image.TypeEnum._2D;
                texture.CreateSize    = new Vector2I(size, size);
                texture.CreateMipmaps = false;
                texture.CreateFormat  = format;
                texture.CreateUsage   = Component_Image.Usages.RenderTarget;
                texture.CreateFSAA    = 0;
                texture.Enabled       = true;

                var renderTexture = texture.Result.GetRenderTarget(0, 0);
                //!!!!
                var viewport = renderTexture.AddViewport(true, false);
                //var viewport = renderTexture.AddViewport( false, false );
                viewport.Mode          = Viewport.ModeEnum.ReflectionProbeCubemap;
                viewport.AttachedScene = ParentScene;

                textureRead               = ComponentUtility.CreateComponent <Component_Image>(null, true, false);
                textureRead.CreateType    = Component_Image.TypeEnum._2D;
                textureRead.CreateSize    = new Vector2I(size, size);
                textureRead.CreateMipmaps = false;
                textureRead.CreateFormat  = format;
                textureRead.CreateUsage   = Component_Image.Usages.ReadBack | Component_Image.Usages.BlitDestination;
                textureRead.CreateFSAA    = 0;
                textureRead.Enabled       = true;
                //!!!!
                textureRead.Result.PrepareNativeObject();

                //render
                var image2D = new ImageUtility.Image2D(PixelFormat.Float32RGB, new Vector2I(size * 4, size * 3));

                var position = Transform.Value.Position;

                for (int face = 0; face < 6; face++)
                {
                    Vector3 dir = Vector3.Zero;
                    Vector3 up  = Vector3.Zero;

                    //flipped
                    switch (face)
                    {
                    case 0: dir = -Vector3.YAxis; up = Vector3.ZAxis; break;

                    case 1: dir = Vector3.YAxis; up = Vector3.ZAxis; break;

                    case 2: dir = Vector3.ZAxis; up = -Vector3.XAxis; break;

                    case 3: dir = -Vector3.ZAxis; up = Vector3.XAxis; break;

                    case 4: dir = Vector3.XAxis; up = Vector3.ZAxis; break;

                    case 5: dir = -Vector3.XAxis; up = Vector3.ZAxis; break;
                    }

                    //!!!!renderingPipelineOverride

                    var scene        = ParentScene;
                    var cameraEditor = scene.Mode.Value == Component_Scene.ModeEnum._2D ? scene.CameraEditor2D.Value : scene.CameraEditor.Value;
                    if (cameraEditor == null)
                    {
                        cameraEditor = new Component_Camera();
                    }

                    var cameraSettings = new Viewport.CameraSettingsClass(viewport, 1, 90, NearClipPlane.Value, FarClipPlane.Value, position, dir, up, ProjectionType.Perspective, 1, cameraEditor.Exposure, cameraEditor.EmissiveFactor, renderSky: RenderSky);

                    viewport.Update(true, cameraSettings);

                    //clear temp data
                    viewport.RenderingContext.MultiRenderTarget_DestroyAll();
                    viewport.RenderingContext.DynamicTexture_DestroyAll();

                    texture.Result.GetRealObject(true).BlitTo(viewport.RenderingContext.CurrentViewNumber, textureRead.Result.GetRealObject(true), 0, 0);

                    //get data
                    var totalBytes = PixelFormatUtility.GetNumElemBytes(format) * size * size;
                    var data       = new byte[totalBytes];
                    unsafe
                    {
                        fixed(byte *pBytes = data)
                        {
                            var demandedFrame = textureRead.Result.GetRealObject(true).Read((IntPtr)pBytes, 0);

                            while (RenderingSystem.CallBgfxFrame() < demandedFrame)
                            {
                            }
                        }
                    }

                    Vector2I index = Vector2I.Zero;
                    switch (face)
                    {
                    case 1: index = new Vector2I(2, 1); break;

                    case 0: index = new Vector2I(0, 1); break;

                    case 2: index = new Vector2I(1, 0); break;

                    case 3: index = new Vector2I(1, 2); break;

                    case 4: index = new Vector2I(1, 1); break;

                    case 5: index = new Vector2I(3, 1); break;
                    }
                    //switch( face )
                    //{
                    //case 0: index = new Vector2I( 2, 1 ); break;
                    //case 1: index = new Vector2I( 0, 1 ); break;
                    //case 2: index = new Vector2I( 1, 0 ); break;
                    //case 3: index = new Vector2I( 1, 2 ); break;
                    //case 4: index = new Vector2I( 1, 1 ); break;
                    //case 5: index = new Vector2I( 3, 1 ); break;
                    //}

                    var faceImage = new ImageUtility.Image2D(format, new Vector2I(size, size), data);

                    //flip by X
                    var faceImageFlip = new ImageUtility.Image2D(format, new Vector2I(size, size));
                    for (int y = 0; y < size; y++)
                    {
                        for (int x = 0; x < size; x++)
                        {
                            var pixel = faceImage.GetPixel(new Vector2I(x, y));
                            faceImageFlip.SetPixel(new Vector2I(size - 1 - x, y), pixel);
                        }
                    }

                    image2D.Blit(index * size, faceImageFlip);
                }

                //reset alpha channel
                for (int y = 0; y < image2D.Size.Y; y++)
                {
                    for (int x = 0; x < image2D.Size.X; x++)
                    {
                        var pixel = image2D.GetPixel(new Vector2I(x, y));
                        pixel.W = 1.0f;
                        image2D.SetPixel(new Vector2I(x, y), pixel);
                    }
                }

                var destRealFileName = VirtualPathUtility.GetRealPathByVirtual(GetDestVirtualFileName());

                if (!Directory.Exists(Path.GetDirectoryName(destRealFileName)))
                {
                    Directory.CreateDirectory(Path.GetDirectoryName(destRealFileName));
                }

                if (!ImageUtility.Save(destRealFileName, image2D.Data, image2D.Size, 1, image2D.Format, 1, 0, out var error))
                {
                    throw new Exception(error);
                }

                //delete Gen files
                var names = new string[] { "_Gen.info", "_GenEnv.dds", "_GenIrr.dds" };
                foreach (var name in names)
                {
                    var fileName2 = VirtualPathUtility.GetRealPathByVirtual(destRealFileName + name);
                    if (File.Exists(fileName2))
                    {
                        File.Delete(fileName2);
                    }
                }
            }
            catch (Exception e)
            {
                Log.Error(e.Message);
            }
            finally
            {
                texture?.Dispose();
                textureRead?.Dispose();
            }

            processedCubemapNeedUpdate = true;
        }
        static bool Generate(string sourceFileName, string sourceFileHash, int sourceFileSize, int specifiedSize, out string error)
        {
            var text         = $"Generating cubemap \"{Path.GetFileName( sourceFileName )}\"...";
            var notification = Editor.ScreenNotifications.ShowSticky(text);

            var destFileNameBase = GetDestFileNameBase(sourceFileName);

            GetDestFileNames(destFileNameBase, out var infoFileName, out var envFileName, out var irrFileName);

            string temporaryGeneratedFile = "";

            try
            {
                var sourceRealFileName = VirtualPathUtility.GetRealPathByVirtual(sourceFileName);
                {
                    //convert .image to 6 face HDR image

                    if (Path.GetExtension(sourceRealFileName) == ".image")
                    {
                        var image = ResourceManager.LoadResource <Component_Image>(sourceFileName, out error);
                        if (image == null)
                        {
                            return(false);
                        }

                        string[] loadCubeMap6Files = null;
                        string   loadFromOneFile   = null;
                        {
                            if (image.AnyCubemapSideIsSpecified())
                            {
                                if (image.AllCubemapSidesAreaSpecified())
                                {
                                    loadCubeMap6Files = new string[6];
                                    for (int n = 0; n < 6; n++)
                                    {
                                        var v = image.GetLoadCubeSide(n);
                                        if (v != null)
                                        {
                                            loadCubeMap6Files[n] = v.ResourceName;
                                        }

                                        if (string.IsNullOrEmpty(loadCubeMap6Files[n]) || !VirtualFile.Exists(loadCubeMap6Files[n]))
                                        {
                                            loadCubeMap6Files = null;
                                            break;
                                        }
                                    }
                                }
                            }
                            else
                            {
                                var v = image.LoadFile.Value;
                                loadFromOneFile = v != null ? v.ResourceName : "";
                                if (string.IsNullOrEmpty(loadFromOneFile) || !VirtualFile.Exists(loadFromOneFile))
                                {
                                    loadFromOneFile = null;
                                }
                            }
                        }

                        if (loadFromOneFile != null)
                        {
                            sourceRealFileName = VirtualPathUtility.GetRealPathByVirtual(loadFromOneFile);
                        }
                        else if (loadCubeMap6Files != null)
                        {
                            temporaryGeneratedFile = Path.GetTempPath() + Guid.NewGuid().ToString() + ".hdr";
                            sourceRealFileName     = temporaryGeneratedFile;

                            ImageUtility.Image2D image2D = null;

                            for (int face = 0; face < 6; face++)
                            {
                                if (!ImageUtility.LoadFromVirtualFile(loadCubeMap6Files[face], out var data, out var size, out _, out var format, out _, out _, out error))
                                {
                                    return(false);
                                }

                                if (image2D == null)
                                {
                                    image2D = new ImageUtility.Image2D(PixelFormat.Float32RGB, size * new Vector2I(4, 3));
                                }

                                Vector2I index = Vector2I.Zero;
                                switch (face)
                                {
                                case 0: index = new Vector2I(2, 1); break;

                                case 1: index = new Vector2I(0, 1); break;

                                case 2: index = new Vector2I(1, 0); break;

                                case 3: index = new Vector2I(1, 2); break;

                                case 4: index = new Vector2I(1, 1); break;

                                case 5: index = new Vector2I(3, 1); break;
                                }

                                var faceImage = new ImageUtility.Image2D(format, size, data);
                                image2D.Blit(index * size, faceImage);
                            }

                            if (!ImageUtility.Save(temporaryGeneratedFile, image2D.Data, image2D.Size, 1, image2D.Format, 1, 0, out error))
                            {
                                return(false);
                            }
                        }
                        else
                        {
                            error = "The image wrong configured.";
                            return(false);
                        }
                    }
                }

                int sizeEnv = 32;
                if (specifiedSize == 0)
                {
                    //detect size

                    if (!ImageUtility.LoadFromRealFile(sourceRealFileName, out _, out var sourceSize, out _, out _, out _, out _, out error))
                    {
                        return(false);
                    }

                    //!!!!если кубемапа

                    if (Math.Abs((double)sourceSize.X / (double)sourceSize.Y - 1.333333) <= 0.001)
                    {
                        sizeEnv = sourceSize.X / 4;
                    }
                    else
                    {
                        //!!!!
                        sizeEnv = MathEx.NextPowerOfTwo(sourceSize.X / 3);
                    }

                    if (sizeEnv == 0)
                    {
                        sizeEnv = 1;
                    }
                }
                else
                {
                    sizeEnv = specifiedSize;
                }

                int sizeIrr = 32;

                var destRealFileNameBase = VirtualPathUtility.GetRealPathByVirtual(destFileNameBase);
                var infoRealFileName     = VirtualPathUtility.GetRealPathByVirtual(infoFileName);
                var envRealFileName      = VirtualPathUtility.GetRealPathByVirtual(envFileName);
                var irrRealFileName      = VirtualPathUtility.GetRealPathByVirtual(irrFileName);

                //delete old files
                if (File.Exists(infoRealFileName))
                {
                    File.Delete(infoRealFileName);
                }
                if (File.Exists(envRealFileName))
                {
                    File.Delete(envRealFileName);
                }
                if (File.Exists(irrRealFileName))
                {
                    File.Delete(irrRealFileName);
                }

                var destDirectory = Path.GetDirectoryName(destRealFileNameBase);
                if (!Directory.Exists(destDirectory))
                {
                    Directory.CreateDirectory(destDirectory);
                }

                var irradianceValues = new List <Vector3>();

                if (!GenerateFile(sourceRealFileName, false, sizeEnv, envRealFileName, irradianceValues, out error))
                {
                    return(false);
                }
                if (!GenerateFile(sourceRealFileName, true, sizeIrr, irrRealFileName, null, out error))
                {
                    return(false);
                }

                //make .info file
                {
                    var block = new TextBlock();
                    block.SetAttribute("SourceFileHash", sourceFileHash);
                    block.SetAttribute("SourceFileSize", sourceFileSize.ToString());
                    //block.SetAttribute( "SourceFileFormat", sourceFileFormat.ToString() );

                    for (int n = 0; n < irradianceValues.Count; n++)
                    {
                        block.SetAttribute("Irradiance" + n.ToString(), irradianceValues[n].ToString());
                    }

                    if (!TextBlockUtility.SaveToRealFile(block, infoRealFileName, out error))
                    {
                        return(false);
                    }
                }
            }
            catch (Exception e)
            {
                error = e.Message;
                return(false);
            }
            finally
            {
                notification.Close();

                try
                {
                    if (File.Exists(temporaryGeneratedFile))
                    {
                        File.Delete(temporaryGeneratedFile);
                    }
                }
                catch { }
            }

            error = "";
            return(true);
        }
        public static bool Convert2DToDDS(string virtualFileName, string outputRealFileName, DDSImage.FormatEnum outputFormat, bool normalMap, bool generateMipmaps, out Vector2I sourceFileSize, out PixelFormat sourceFileFormat, out string error)
        {
            sourceFileSize   = Vector2I.Zero;
            sourceFileFormat = PixelFormat.Unknown;

            if (!ImageUtility.LoadFromVirtualFile(virtualFileName, out var data, out var size, out var depth, out var format, out var numFaces, out var numMipmaps, out error))
            {
                return(false);
            }

            sourceFileSize   = size;
            sourceFileFormat = format;

            byte[] rgba = new byte[size.X * size.Y * 4];

            if (format != PixelFormat.R8G8B8A8)
            {
                for (int y = 0; y < size.Y; y++)
                {
                    for (int x = 0; x < size.X; x++)
                    {
                        byte r;
                        byte g;
                        byte b;
                        byte a = 255;
                        int  offset;

                        switch (format)
                        {
                        case PixelFormat.R8G8B8:
                            offset = (y * size.X + x) * 3;
                            r      = data[offset + 2];
                            g      = data[offset + 1];
                            b      = data[offset + 0];
                            break;

                        case PixelFormat.X8R8G8B8:
                            offset = (y * size.X + x) * 4;
                            r      = data[offset + 2];
                            g      = data[offset + 1];
                            b      = data[offset + 0];
                            break;

                        case PixelFormat.A8R8G8B8:
                            offset = (y * size.X + x) * 4;
                            a      = data[offset + 3];
                            r      = data[offset + 2];
                            g      = data[offset + 1];
                            b      = data[offset + 0];
                            break;

                        case PixelFormat.L8:
                            offset = (y * size.X + x);
                            r      = g = b = data[offset];
                            break;

                        case PixelFormat.ShortRGB:
                            unsafe
                            {
                                fixed(byte *pData = data)
                                {
                                    ushort *pData2 = (ushort *)pData;

                                    offset = (y * size.X + x) * 3;
                                    r      = (byte)((float)pData2[offset + 0] / ushort.MaxValue * 255.0f);
                                    g      = (byte)((float)pData2[offset + 1] / ushort.MaxValue * 255.0f);
                                    b      = (byte)((float)pData2[offset + 2] / ushort.MaxValue * 255.0f);
                                }
                            }
                            break;

                        case PixelFormat.ShortRGBA:
                            unsafe
                            {
                                fixed(byte *pData = data)
                                {
                                    ushort *pData2 = (ushort *)pData;

                                    offset = (y * size.X + x) * 4;
                                    r      = (byte)((float)pData2[offset + 0] / ushort.MaxValue * 255.0f);
                                    g      = (byte)((float)pData2[offset + 1] / ushort.MaxValue * 255.0f);
                                    b      = (byte)((float)pData2[offset + 2] / ushort.MaxValue * 255.0f);
                                    a      = (byte)((float)pData2[offset + 3] / ushort.MaxValue * 255.0f);
                                }
                            }
                            break;

                        case PixelFormat.Float32RGB:
                            unsafe
                            {
                                fixed(byte *pData = data)
                                {
                                    float *pData2 = (float *)pData;

                                    offset = (y * size.X + x) * 3;
                                    r      = (byte)MathEx.Clamp((float)pData2[offset + 0] * 255.0f, 0.0f, 255.0f);
                                    g      = (byte)MathEx.Clamp((float)pData2[offset + 1] * 255.0f, 0.0f, 255.0f);
                                    b      = (byte)MathEx.Clamp((float)pData2[offset + 2] * 255.0f, 0.0f, 255.0f);
                                }
                            }
                            break;

                        case PixelFormat.Float32RGBA:
                            unsafe
                            {
                                fixed(byte *pData = data)
                                {
                                    float *pData2 = (float *)pData;

                                    offset = (y * size.X + x) * 4;
                                    r      = (byte)MathEx.Clamp((float)pData2[offset + 0] * 255.0f, 0.0f, 255.0f);
                                    g      = (byte)MathEx.Clamp((float)pData2[offset + 1] * 255.0f, 0.0f, 255.0f);
                                    b      = (byte)MathEx.Clamp((float)pData2[offset + 2] * 255.0f, 0.0f, 255.0f);
                                    a      = (byte)MathEx.Clamp((float)pData2[offset + 3] * 255.0f, 0.0f, 255.0f);
                                }
                            }
                            break;

                        default:
                            error = $"Conversion from \'{format}\' format is not supported.";
                            return(false);
                        }

                        //copy to rgba array
                        offset           = (y * size.X + x) * 4;
                        rgba[offset + 0] = r;
                        rgba[offset + 1] = g;
                        rgba[offset + 2] = b;
                        rgba[offset + 3] = a;
                    }
                }
            }

            var image = GenerateDDS(rgba, size, outputFormat, normalMap, generateMipmaps, out error);

            if (image == null)
            {
                return(false);
            }

            if (!WriteToFile(outputRealFileName, image, out error))
            {
                return(false);
            }

            error = "";
            return(true);

            //MapFormats mapFormat = textureData.normalMap ? NormalMapFormat : BaseMapFormat;

            //DDSImage.FormatTypes ddsFormat = DDSImage.FormatTypes.DXT1;
            //switch( mapFormat )
            //{
            //case MapFormats.DDS_DXT1:
            //	ddsFormat = DDSImage.FormatTypes.DXT1;
            //	break;
            //case MapFormats.DDS_DXT5:
            //	ddsFormat = DDSImage.FormatTypes.DXT5;
            //	break;
            //case MapFormats.DDS_3DC:
            //	ddsFormat = DDSImage.FormatTypes._3DC;
            //	break;
            //case MapFormats.DDS_ARGB:
            //	ddsFormat = DDSImage.FormatTypes.A8R8G8B8;
            //	break;
            //}

            //DDSImage ddsImage = DDSImageManager.Instance.Generate( rgba, size, ddsFormat, true );

            //bool oldExists = File.Exists( outputRealFullPath );
            //using( FileStream stream = new FileStream( outputRealFullPath, FileMode.Create ) )
            //{
            //	DDSImageManager.WriteFile( stream, ddsImage );
            //}
            //createdFiles.Add( new CreatedFileItem( outputRealFullPath, oldExists ) );

            //error = null;
            //return true;
        }