public static void GetDXT(Texture2D texture, int i, byte[] bytes, TextureFormat format) { Color32[] colors = texture.GetPixels32(i); uint w = (uint) texture.width>>i; uint h = (uint) texture.height>>i; ColorBlock rgba = new ColorBlock(); BlockDXT1 block1 = new BlockDXT1(); BlockDXT5 block5 = new BlockDXT5(); int blocksize = format == TextureFormat.DXT1 ? 8 : 16; int index = 0; for (uint y = 0; y < h; y += 4) { for (uint x = 0; x < w; x += 4) { rgba.init(w, h, colors, x, y); if (format == TextureFormat.DXT1) { QuickCompress.compressDXT1(rgba, block1); block1.WriteBytes(bytes, index); } else { QuickCompress.compressDXT5(rgba, block5, 0); block5.WriteBytes(bytes, index); } index += blocksize; } } }
public static void GetDXT(Texture2D texture, int i, byte[] bytes, TextureFormat format) { Color32[] colors = texture.GetPixels32(i); uint w = (uint)texture.width >> i; uint h = (uint)texture.height >> i; ColorBlock rgba = new ColorBlock(); BlockDXT1 block1 = new BlockDXT1(); BlockDXT5 block5 = new BlockDXT5(); int blocksize = format == TextureFormat.DXT1 ? 8 : 16; int index = 0; for (uint y = 0; y < h; y += 4) { for (uint x = 0; x < w; x += 4) { rgba.init(w, h, colors, x, y); if (format == TextureFormat.DXT1) { QuickCompress.compressDXT1(rgba, block1); block1.WriteBytes(bytes, index); } else { QuickCompress.compressDXT5(rgba, block5, 0); block5.WriteBytes(bytes, index); } index += blocksize; } } }
//void decodeBlock(ColorBlock block, bool d3d9 = false); //void decodeBlockNV5x(ColorBlock block); //void flip4(); //void flip2(); public void WriteBytes(byte[] dst, int index) { alpha.WriteBytes(dst, index); color.WriteBytes(dst, index + 8); }