public void Dispose(TexImage image) { AtitcTextureLibraryData libraryData = (AtitcTextureLibraryData)image.LibraryData[this]; if (libraryData.Data != IntPtr.Zero) { Marshal.FreeHGlobal(libraryData.Data); } }
/// <summary> /// Compresses the specified image. /// </summary> /// <param name="image">The image.</param> /// <param name="libraryData">The library data.</param> /// <param name="request">The request.</param> /// <exception cref="TexLibraryException">Compression failed</exception> private void Compress(TexImage image, AtitcTextureLibraryData libraryData, CompressingRequest request) { Log.Info("Converting/Compressing with " + request.Format + " ..."); int totalSize = 0; Texture[] texOut = new Texture[image.SubImageArray.Length]; int pitch, slice; // Setting the new Texture array that will contained the compressed data for (int i = 0; i < libraryData.Textures.Length; ++i) { Tools.ComputePitch(request.Format, libraryData.Textures[i].dwWidth, libraryData.Textures[i].dwHeight, out pitch, out slice); texOut[i] = new Texture(libraryData.Textures[i].dwWidth, libraryData.Textures[i].dwHeight, pitch, RetrieveNativeFormat(request.Format), 0, IntPtr.Zero); texOut[i].dwDataSize = Utilities.CalculateBufferSize(out texOut[i]); totalSize += texOut[i].dwDataSize; } // Allocating memory to store the compressed data image.Data = Marshal.AllocHGlobal(totalSize); libraryData.Options = new CompressOptions(false, 0, 0, 0, false, false, 0, false, Speed.ATI_TC_Speed_Normal); Result res; int offset = 0; // Compressing each sub image into the new allocated memory for (int i = 0; i < libraryData.Textures.Length; ++i) { texOut[i].pData = new IntPtr(image.Data.ToInt64() + offset); offset += texOut[i].dwDataSize; res = Utilities.ConvertTexture(out libraryData.Textures[i], out texOut[i], out libraryData.Options); if (res != Result.ATI_TC_OK) { Log.Error("Compression failed: " + res); throw new TextureToolsException("Compression failed: " + res); } libraryData.Textures[i] = texOut[i]; } // Deleting old uncompressed data if (image.DisposingLibrary != null) { image.DisposingLibrary.Dispose(image); } // Assigning the new compressed data to the current instance of <see cref="LibraryData" /> libraryData.Data = image.Data; // udpating various features image.DataSize = totalSize; image.RowPitch = libraryData.Textures[0].dwPitch; image.Format = request.Format; image.DisposingLibrary = this; }
public void StartLibrary(TexImage image) { AtitcTextureLibraryData libraryData = new AtitcTextureLibraryData(); image.LibraryData[this] = libraryData; libraryData.Textures = new Texture[image.SubImageArray.Length]; var bpp = Xenko.Graphics.PixelFormatExtensions.SizeInBits(image.Format); for (int i = 0; i < image.SubImageArray.Length; ++i) { libraryData.Textures[i] = new Texture(image.SubImageArray[i].Width, image.SubImageArray[i].Height, image.SubImageArray[i].RowPitch, RetrieveNativeFormat(image.Format), image.SubImageArray[i].DataSize, image.SubImageArray[i].Data); } libraryData.Data = IntPtr.Zero; }
public void EndLibrary(TexImage image) { if (!image.LibraryData.ContainsKey(this)) { return; } AtitcTextureLibraryData libraryData = (AtitcTextureLibraryData)image.LibraryData[this]; for (int i = 0; i < libraryData.Textures.Length; ++i) { image.SubImageArray[i].Data = libraryData.Textures[i].pData; image.SubImageArray[i].DataSize = libraryData.Textures[i].dwDataSize; image.SubImageArray[i].Width = libraryData.Textures[i].dwWidth; image.SubImageArray[i].Height = libraryData.Textures[i].dwHeight; image.SubImageArray[i].RowPitch = libraryData.Textures[i].dwPitch; image.SubImageArray[i].SlicePitch = libraryData.Textures[i].dwDataSize; } }
public void Execute(TexImage image, IRequest request) { AtitcTextureLibraryData libraryData = (AtitcTextureLibraryData)image.LibraryData[this]; switch (request.Type) { case RequestType.Compressing: Compress(image, libraryData, (CompressingRequest)request); break; case RequestType.Decompressing: Decompress(image, libraryData, (DecompressingRequest)request); break; default: Log.Error("DxtTexLib (DirectXTex) can't handle this request: " + request.Type); throw new TextureToolsException("DxtTexLib (DirectXTex) can't handle this request: " + request.Type); } }