public static void DecodeTextureDataToWriter(byte[] data, int width, int height, TextureFormat format,
PipelineWriter writer)
{
if (!format.IsSupported())
throw new FormatException("Unsupported format: " + format.ToString());
PipelineReader reader = null;
switch (format)
{
case TextureFormat.DXT1:
reader = new DXT1Reader(data, format, width, height);
break;
case TextureFormat.DXT2:
case TextureFormat.DXT3:
reader = new DXT3Reader(data, format, width, height);
break;
case TextureFormat.DXT4:
case TextureFormat.DXT5:
reader = new DXT5Reader(data, format, width, height);
break;
case TextureFormat.BC4:
reader = new BC4Reader(data, format, width, height);
break;
case TextureFormat.BC5:
reader = new BC5Reader(data, format, width, height);
break;
default:
reader = new DefaultReader(data, format, width, height);
break;
}
reader.Read(writer);
}
protected override void ReadBlock(SimpleBinaryStream stream, ref PixelColor[,] cache, int blockX)
{
base.ReadBlock(stream, ref cache, blockX);
DXT5Reader.ReadBC3AlphaBlock(stream.ReadInt64(), ref cache, blockX * 4, (ref PixelColor pixel, float value) =>
{
pixel.G = value;
});
}
