mirror of
https://github.com/aelurum/AssetStudio.git
synced 2025-05-26 13:50:21 -04:00
541 lines
20 KiB
C#
541 lines
20 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.IO;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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namespace Unity_Studio
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{
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partial class Texture2D
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{
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[DllImport("PVRTexLibWrapper.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern bool DecompressPVR(byte[] buffer, IntPtr bmp, int len);
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[DllImport("TextureConverterWrapper.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern bool Ponvert(byte[] buffer, IntPtr bmp, int nWidth, int nHeight, int len, int type, int bmpsize, bool fixAlpha);
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[DllImport("crunch.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern bool DecompressCRN(byte[] pSrc_file_data, int src_file_size, out IntPtr uncompressedData, out int uncompressedSize);
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[DllImport("crunchunity.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern bool DecompressUnityCRN(byte[] pSrc_file_data, int src_file_size, out IntPtr uncompressedData, out int uncompressedSize);
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[DllImport("texgenpack.dll", CallingConvention = CallingConvention.Cdecl)]
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private static extern void texgenpackdecode(int texturetype, byte[] texturedata, int width, int height, IntPtr bmp, bool fixAlpha);
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public byte[] ConvertToContainer()
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{
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if (image_data == null || image_data.Length == 0)
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return null;
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switch (m_TextureFormat)
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{
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case TextureFormat.Alpha8:
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case TextureFormat.ARGB4444:
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case TextureFormat.RGB24:
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case TextureFormat.RGBA32:
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case TextureFormat.ARGB32:
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case TextureFormat.RGB565:
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case TextureFormat.R16:
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case TextureFormat.DXT1:
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case TextureFormat.DXT5:
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case TextureFormat.RGBA4444:
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case TextureFormat.BGRA32:
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case TextureFormat.RG16:
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case TextureFormat.R8:
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return ConvertToDDS();
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case TextureFormat.YUY2:
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case TextureFormat.PVRTC_RGB2:
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case TextureFormat.PVRTC_RGBA2:
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case TextureFormat.PVRTC_RGB4:
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case TextureFormat.PVRTC_RGBA4:
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case TextureFormat.ETC_RGB4:
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case TextureFormat.ETC2_RGB:
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case TextureFormat.ETC2_RGBA1:
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case TextureFormat.ETC2_RGBA8:
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case TextureFormat.ASTC_RGB_4x4:
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case TextureFormat.ASTC_RGB_5x5:
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case TextureFormat.ASTC_RGB_6x6:
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case TextureFormat.ASTC_RGB_8x8:
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case TextureFormat.ASTC_RGB_10x10:
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case TextureFormat.ASTC_RGB_12x12:
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case TextureFormat.ASTC_RGBA_4x4:
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case TextureFormat.ASTC_RGBA_5x5:
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case TextureFormat.ASTC_RGBA_6x6:
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case TextureFormat.ASTC_RGBA_8x8:
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case TextureFormat.ASTC_RGBA_10x10:
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case TextureFormat.ASTC_RGBA_12x12:
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case TextureFormat.ETC_RGB4_3DS:
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case TextureFormat.ETC_RGBA8_3DS:
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return ConvertToPVR();
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case TextureFormat.RHalf:
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case TextureFormat.RGHalf:
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case TextureFormat.RGBAHalf:
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case TextureFormat.RFloat:
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case TextureFormat.RGFloat:
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case TextureFormat.RGBAFloat:
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case TextureFormat.BC4:
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case TextureFormat.BC5:
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case TextureFormat.BC6H:
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case TextureFormat.BC7:
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case TextureFormat.ATC_RGB4:
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case TextureFormat.ATC_RGBA8:
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case TextureFormat.EAC_R:
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case TextureFormat.EAC_R_SIGNED:
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case TextureFormat.EAC_RG:
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case TextureFormat.EAC_RG_SIGNED:
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return ConvertToKTX();
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default:
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return image_data;
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}
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}
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private byte[] ConvertToDDS()
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{
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var imageBuffer = new byte[128 + image_data_size];
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dwMagic.CopyTo(imageBuffer, 0);
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BitConverter.GetBytes(dwFlags).CopyTo(imageBuffer, 8);
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BitConverter.GetBytes(m_Height).CopyTo(imageBuffer, 12);
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BitConverter.GetBytes(m_Width).CopyTo(imageBuffer, 16);
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BitConverter.GetBytes(dwPitchOrLinearSize).CopyTo(imageBuffer, 20);
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BitConverter.GetBytes(dwMipMapCount).CopyTo(imageBuffer, 28);
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BitConverter.GetBytes(dwSize).CopyTo(imageBuffer, 76);
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BitConverter.GetBytes(dwFlags2).CopyTo(imageBuffer, 80);
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BitConverter.GetBytes(dwFourCC).CopyTo(imageBuffer, 84);
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BitConverter.GetBytes(dwRGBBitCount).CopyTo(imageBuffer, 88);
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BitConverter.GetBytes(dwRBitMask).CopyTo(imageBuffer, 92);
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BitConverter.GetBytes(dwGBitMask).CopyTo(imageBuffer, 96);
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BitConverter.GetBytes(dwBBitMask).CopyTo(imageBuffer, 100);
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BitConverter.GetBytes(dwABitMask).CopyTo(imageBuffer, 104);
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BitConverter.GetBytes(dwCaps).CopyTo(imageBuffer, 108);
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BitConverter.GetBytes(dwCaps2).CopyTo(imageBuffer, 112);
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image_data.CopyTo(imageBuffer, 128);
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return imageBuffer;
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}
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private byte[] ConvertToPVR()
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{
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var mstream = new MemoryStream();
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using (var writer = new BinaryWriter(mstream))
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{
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writer.Write(pvrVersion);
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writer.Write(pvrFlags);
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writer.Write(pvrPixelFormat);
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writer.Write(pvrColourSpace);
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writer.Write(pvrChannelType);
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writer.Write(m_Height);
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writer.Write(m_Width);
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writer.Write(pvrDepth);
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writer.Write(pvrNumSurfaces);
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writer.Write(pvrNumFaces);
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writer.Write(dwMipMapCount);
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writer.Write(pvrMetaDataSize);
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writer.Write(image_data);
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return mstream.ToArray();
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}
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}
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private byte[] ConvertToKTX()
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{
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var mstream = new MemoryStream();
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using (var writer = new BinaryWriter(mstream))
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{
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writer.Write(KTXHeader.IDENTIFIER);
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writer.Write(KTXHeader.ENDIANESS_LE);
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writer.Write(glType);
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writer.Write(glTypeSize);
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writer.Write(glFormat);
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writer.Write(glInternalFormat);
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writer.Write(glBaseInternalFormat);
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writer.Write(m_Width);
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writer.Write(m_Height);
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writer.Write(pixelDepth);
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writer.Write(numberOfArrayElements);
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writer.Write(numberOfFaces);
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writer.Write(numberOfMipmapLevels);
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writer.Write(bytesOfKeyValueData);
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writer.Write(image_data_size);
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writer.Write(image_data);
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return mstream.ToArray();
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}
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}
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public Bitmap ConvertToBitmap(bool flip)
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{
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if (image_data == null || image_data.Length == 0)
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return null;
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Bitmap bitmap;
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switch (m_TextureFormat)
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{
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case TextureFormat.Alpha8:
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case TextureFormat.ARGB4444:
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case TextureFormat.RGB24:
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case TextureFormat.RGBA32:
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case TextureFormat.ARGB32:
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case TextureFormat.R16:
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case TextureFormat.RGBA4444:
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case TextureFormat.BGRA32:
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case TextureFormat.RG16:
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case TextureFormat.R8:
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bitmap = BGRA32ToBitmap();
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break;
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case TextureFormat.RGB565:
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bitmap = RGB565ToBitmap();
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break;
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case TextureFormat.YUY2:
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case TextureFormat.PVRTC_RGB2:
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case TextureFormat.PVRTC_RGBA2:
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case TextureFormat.PVRTC_RGB4:
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case TextureFormat.PVRTC_RGBA4:
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case TextureFormat.ETC_RGB4:
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case TextureFormat.ETC2_RGB:
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case TextureFormat.ETC2_RGBA1:
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case TextureFormat.ETC2_RGBA8:
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case TextureFormat.ASTC_RGB_4x4:
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case TextureFormat.ASTC_RGB_5x5:
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case TextureFormat.ASTC_RGB_6x6:
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case TextureFormat.ASTC_RGB_8x8:
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case TextureFormat.ASTC_RGB_10x10:
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case TextureFormat.ASTC_RGB_12x12:
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case TextureFormat.ASTC_RGBA_4x4:
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case TextureFormat.ASTC_RGBA_5x5:
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case TextureFormat.ASTC_RGBA_6x6:
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case TextureFormat.ASTC_RGBA_8x8:
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case TextureFormat.ASTC_RGBA_10x10:
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case TextureFormat.ASTC_RGBA_12x12:
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case TextureFormat.ETC_RGB4_3DS:
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case TextureFormat.ETC_RGBA8_3DS:
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bitmap = PVRToBitmap(ConvertToPVR());
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break;
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case TextureFormat.DXT1:
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case TextureFormat.DXT5:
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case TextureFormat.RHalf:
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case TextureFormat.RGHalf:
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case TextureFormat.RGBAHalf:
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case TextureFormat.RFloat:
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case TextureFormat.RGFloat:
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case TextureFormat.RGBAFloat:
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case TextureFormat.RGB9e5Float:
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case TextureFormat.ATC_RGB4:
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case TextureFormat.ATC_RGBA8:
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case TextureFormat.EAC_R:
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case TextureFormat.EAC_R_SIGNED:
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case TextureFormat.EAC_RG:
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case TextureFormat.EAC_RG_SIGNED:
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bitmap = TextureConverter();
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break;
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case TextureFormat.BC4:
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case TextureFormat.BC5:
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case TextureFormat.BC6H:
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case TextureFormat.BC7:
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bitmap = Texgenpack();
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break;
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case TextureFormat.DXT1Crunched:
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case TextureFormat.DXT5Crunched:
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DecompressCRN();
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bitmap = TextureConverter();
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break;
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case TextureFormat.ETC_RGB4Crunched:
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case TextureFormat.ETC2_RGBA8Crunched:
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DecompressCRN();
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bitmap = PVRToBitmap(ConvertToPVR());
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break;
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default:
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return null;
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}
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if (bitmap != null && flip)
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bitmap.RotateFlip(RotateFlipType.RotateNoneFlipY);
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return bitmap;
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}
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private Bitmap BGRA32ToBitmap()
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{
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var hObject = GCHandle.Alloc(image_data, GCHandleType.Pinned);
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var pObject = hObject.AddrOfPinnedObject();
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var bitmap = new Bitmap(m_Width, m_Height, m_Width * 4, PixelFormat.Format32bppArgb, pObject);
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hObject.Free();
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return bitmap;
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}
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private Bitmap RGB565ToBitmap()
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{
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//stride = m_Width * 2 + m_Width * 2 % 4
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//所以m_Width * 2不为4的倍数时，需要在每行补上相应的像素
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byte[] buff;
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var padding = m_Width * 2 % 4;
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var stride = m_Width * 2 + padding;
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if (padding != 0)
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{
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buff = new byte[stride * m_Height];
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for (int i = 0; i < m_Height; i++)
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{
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Array.Copy(image_data, i * m_Width * 2, buff, i * stride, m_Width * 2);
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}
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}
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else
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{
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buff = image_data;
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}
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var hObject = GCHandle.Alloc(buff, GCHandleType.Pinned);
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var pObject = hObject.AddrOfPinnedObject();
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var bitmap = new Bitmap(m_Width, m_Height, stride, PixelFormat.Format16bppRgb565, pObject);
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hObject.Free();
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return bitmap;
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}
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private Bitmap PVRToBitmap(byte[] pvrdata)
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{
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var bitmap = new Bitmap(m_Width, m_Height);
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var rect = new Rectangle(0, 0, m_Width, m_Height);
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var bmd = bitmap.LockBits(rect, ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
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var len = Math.Abs(bmd.Stride) * bmd.Height;
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if (!DecompressPVR(pvrdata, bmd.Scan0, len))
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{
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bitmap.UnlockBits(bmd);
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bitmap.Dispose();
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return null;
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}
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bitmap.UnlockBits(bmd);
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return bitmap;
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}
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private Bitmap TextureConverter()
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{
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var bitmap = new Bitmap(m_Width, m_Height);
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var rect = new Rectangle(0, 0, m_Width, m_Height);
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var bmd = bitmap.LockBits(rect, ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
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var len = Math.Abs(bmd.Stride) * bmd.Height;
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var fixAlpha = glBaseInternalFormat == KTXHeader.GL_RED || glBaseInternalFormat == KTXHeader.GL_RG;
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if (!Ponvert(image_data, bmd.Scan0, m_Width, m_Height, image_data_size, (int)q_format, len, fixAlpha))
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{
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bitmap.UnlockBits(bmd);
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bitmap.Dispose();
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return null;
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}
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bitmap.UnlockBits(bmd);
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return bitmap;
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}
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private void DecompressCRN()
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{
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IntPtr uncompressedData;
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int uncompressedSize;
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bool result;
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if (version[0] > 2017 || (version[0] == 2017 && version[1] >= 3)) //2017.3 and up
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{
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result = DecompressUnityCRN(image_data, image_data_size, out uncompressedData, out uncompressedSize);
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}
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else
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{
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result = DecompressCRN(image_data, image_data_size, out uncompressedData, out uncompressedSize);
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}
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if (result)
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{
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var uncompressedBytes = new byte[uncompressedSize];
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Marshal.Copy(uncompressedData, uncompressedBytes, 0, uncompressedSize);
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Marshal.FreeHGlobal(uncompressedData);
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image_data = uncompressedBytes;
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image_data_size = uncompressedSize;
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}
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}
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private Bitmap Texgenpack()
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{
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var bitmap = new Bitmap(m_Width, m_Height);
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var rect = new Rectangle(0, 0, m_Width, m_Height);
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var bmd = bitmap.LockBits(rect, ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
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var fixAlpha = glBaseInternalFormat == KTXHeader.GL_RED || glBaseInternalFormat == KTXHeader.GL_RG;
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texgenpackdecode((int)texturetype, image_data, m_Width, m_Height, bmd.Scan0, fixAlpha);
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bitmap.UnlockBits(bmd);
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return bitmap;
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}
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}
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public static class KTXHeader
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{
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public static byte[] IDENTIFIER = { 0xAB, 0x4B, 0x54, 0x58, 0x20, 0x31, 0x31, 0xBB, 0x0D, 0x0A, 0x1A, 0x0A };
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public static byte[] ENDIANESS_LE = { 1, 2, 3, 4 };
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public static byte[] ENDIANESS_BE = { 4, 3, 2, 1 };
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// constants for glInternalFormat
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public static int GL_ETC1_RGB8_OES = 0x8D64;
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public static int GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG = 0x8C00;
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public static int GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG = 0x8C01;
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public static int GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG = 0x8C02;
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public static int GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG = 0x8C03;
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public static int GL_ATC_RGB_AMD = 0x8C92;
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public static int GL_ATC_RGBA_EXPLICIT_ALPHA_AMD = 0x8C93;
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public static int GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD = 0x87EE;
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public static int GL_COMPRESSED_RGB8_ETC2 = 0x9274;
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public static int GL_COMPRESSED_SRGB8_ETC2 = 0x9275;
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public static int GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 = 0x9276;
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public static int GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 = 0x9277;
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public static int GL_COMPRESSED_RGBA8_ETC2_EAC = 0x9278;
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public static int GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC = 0x9279;
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public static int GL_COMPRESSED_R11_EAC = 0x9270;
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public static int GL_COMPRESSED_SIGNED_R11_EAC = 0x9271;
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public static int GL_COMPRESSED_RG11_EAC = 0x9272;
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public static int GL_COMPRESSED_SIGNED_RG11_EAC = 0x9273;
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public static int GL_COMPRESSED_RED_RGTC1 = 0x8DBB;
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public static int GL_COMPRESSED_RG_RGTC2 = 0x8DBD;
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public static int GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT = 0x8E8F;
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public static int GL_COMPRESSED_RGBA_BPTC_UNORM = 0x8E8C;
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public static int GL_R16F = 0x822D;
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public static int GL_RG16F = 0x822F;
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public static int GL_RGBA16F = 0x881A;
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public static int GL_R32F = 0x822E;
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public static int GL_RG32F = 0x8230;
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public static int GL_RGBA32F = 0x8814;
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// constants for glBaseInternalFormat
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public static int GL_RED = 0x1903;
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public static int GL_GREEN = 0x1904;
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public static int GL_BLUE = 0x1905;
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public static int GL_ALPHA = 0x1906;
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public static int GL_RGB = 0x1907;
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public static int GL_RGBA = 0x1908;
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public static int GL_RG = 0x8227;
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}
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//from TextureConverter.h
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public enum QFORMAT
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{
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// General formats
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Q_FORMAT_RGBA_8UI = 1,
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Q_FORMAT_RGBA_8I,
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Q_FORMAT_RGB5_A1UI,
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Q_FORMAT_RGBA_4444,
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Q_FORMAT_RGBA_16UI,
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Q_FORMAT_RGBA_16I,
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Q_FORMAT_RGBA_32UI,
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Q_FORMAT_RGBA_32I,
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Q_FORMAT_PALETTE_8_RGBA_8888,
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Q_FORMAT_PALETTE_8_RGBA_5551,
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Q_FORMAT_PALETTE_8_RGBA_4444,
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Q_FORMAT_PALETTE_4_RGBA_8888,
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Q_FORMAT_PALETTE_4_RGBA_5551,
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Q_FORMAT_PALETTE_4_RGBA_4444,
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Q_FORMAT_PALETTE_1_RGBA_8888,
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Q_FORMAT_PALETTE_8_RGB_888,
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Q_FORMAT_PALETTE_8_RGB_565,
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Q_FORMAT_PALETTE_4_RGB_888,
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Q_FORMAT_PALETTE_4_RGB_565,
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Q_FORMAT_R2_GBA10UI,
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Q_FORMAT_RGB10_A2UI,
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Q_FORMAT_RGB10_A2I,
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Q_FORMAT_RGBA_F,
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Q_FORMAT_RGBA_HF,
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||
Q_FORMAT_RGB9_E5, // Last five bits are exponent bits (Read following section in GLES3 spec: "3.8.17 Shared Exponent Texture Color Conversion")
|
||
Q_FORMAT_RGB_8UI,
|
||
Q_FORMAT_RGB_8I,
|
||
Q_FORMAT_RGB_565,
|
||
Q_FORMAT_RGB_16UI,
|
||
Q_FORMAT_RGB_16I,
|
||
Q_FORMAT_RGB_32UI,
|
||
Q_FORMAT_RGB_32I,
|
||
|
||
Q_FORMAT_RGB_F,
|
||
Q_FORMAT_RGB_HF,
|
||
Q_FORMAT_RGB_11_11_10_F,
|
||
|
||
Q_FORMAT_RG_F,
|
||
Q_FORMAT_RG_HF,
|
||
Q_FORMAT_RG_32UI,
|
||
Q_FORMAT_RG_32I,
|
||
Q_FORMAT_RG_16I,
|
||
Q_FORMAT_RG_16UI,
|
||
Q_FORMAT_RG_8I,
|
||
Q_FORMAT_RG_8UI,
|
||
Q_FORMAT_RG_S88,
|
||
|
||
Q_FORMAT_R_32UI,
|
||
Q_FORMAT_R_32I,
|
||
Q_FORMAT_R_F,
|
||
Q_FORMAT_R_16F,
|
||
Q_FORMAT_R_16I,
|
||
Q_FORMAT_R_16UI,
|
||
Q_FORMAT_R_8I,
|
||
Q_FORMAT_R_8UI,
|
||
|
||
Q_FORMAT_LUMINANCE_ALPHA_88,
|
||
Q_FORMAT_LUMINANCE_8,
|
||
Q_FORMAT_ALPHA_8,
|
||
|
||
Q_FORMAT_LUMINANCE_ALPHA_F,
|
||
Q_FORMAT_LUMINANCE_F,
|
||
Q_FORMAT_ALPHA_F,
|
||
Q_FORMAT_LUMINANCE_ALPHA_HF,
|
||
Q_FORMAT_LUMINANCE_HF,
|
||
Q_FORMAT_ALPHA_HF,
|
||
Q_FORMAT_DEPTH_16,
|
||
Q_FORMAT_DEPTH_24,
|
||
Q_FORMAT_DEPTH_24_STENCIL_8,
|
||
Q_FORMAT_DEPTH_32,
|
||
|
||
Q_FORMAT_BGR_565,
|
||
Q_FORMAT_BGRA_8888,
|
||
Q_FORMAT_BGRA_5551,
|
||
Q_FORMAT_BGRX_8888,
|
||
Q_FORMAT_BGRA_4444,
|
||
// Compressed formats
|
||
Q_FORMAT_ATITC_RGBA,
|
||
Q_FORMAT_ATC_RGBA_EXPLICIT_ALPHA = Q_FORMAT_ATITC_RGBA,
|
||
Q_FORMAT_ATITC_RGB,
|
||
Q_FORMAT_ATC_RGB = Q_FORMAT_ATITC_RGB,
|
||
Q_FORMAT_ATC_RGBA_INTERPOLATED_ALPHA,
|
||
Q_FORMAT_ETC1_RGB8,
|
||
Q_FORMAT_3DC_X,
|
||
Q_FORMAT_3DC_XY,
|
||
|
||
Q_FORMAT_ETC2_RGB8,
|
||
Q_FORMAT_ETC2_RGBA8,
|
||
Q_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1,
|
||
Q_FORMAT_ETC2_SRGB8,
|
||
Q_FORMAT_ETC2_SRGB8_ALPHA8,
|
||
Q_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1,
|
||
Q_FORMAT_EAC_R_SIGNED,
|
||
Q_FORMAT_EAC_R_UNSIGNED,
|
||
Q_FORMAT_EAC_RG_SIGNED,
|
||
Q_FORMAT_EAC_RG_UNSIGNED,
|
||
|
||
Q_FORMAT_S3TC_DXT1_RGB,
|
||
Q_FORMAT_S3TC_DXT1_RGBA,
|
||
Q_FORMAT_S3TC_DXT3_RGBA,
|
||
Q_FORMAT_S3TC_DXT5_RGBA,
|
||
|
||
// YUV formats
|
||
Q_FORMAT_AYUV_32,
|
||
Q_FORMAT_I444_24,
|
||
Q_FORMAT_YUYV_16,
|
||
Q_FORMAT_UYVY_16,
|
||
Q_FORMAT_I420_12,
|
||
Q_FORMAT_YV12_12,
|
||
Q_FORMAT_NV21_12,
|
||
Q_FORMAT_NV12_12,
|
||
|
||
// ASTC Format
|
||
Q_FORMAT_ASTC_8,
|
||
Q_FORMAT_ASTC_16,
|
||
};
|
||
|
||
public enum texgenpack_texturetype
|
||
{
|
||
RGTC1,
|
||
RGTC2,
|
||
BPTC_FLOAT,
|
||
BPTC
|
||
}
|
||
}
|