public void DecompressMipmap(TexMipmap mipmap)
{
if (mipmap.IsLZ4Compressed)
{
mipmap.Bytes = Lz4Decompress(mipmap.Bytes, mipmap.PixelCount);
mipmap.IsLZ4Compressed = false;
}
if (mipmap.Format.IsImage())
{
return;
}
switch (mipmap.Format)
{
case MipmapFormat.CompressedDXT5:
mipmap.Bytes = DXT.DecompressImage(mipmap.Width, mipmap.Height, mipmap.Bytes, DXT.DXTFlags.DXT5);
mipmap.Format = MipmapFormat.RGBA8888;
break;
case MipmapFormat.CompressedDXT3:
mipmap.Bytes = DXT.DecompressImage(mipmap.Width, mipmap.Height, mipmap.Bytes, DXT.DXTFlags.DXT3);
mipmap.Format = MipmapFormat.RGBA8888;
break;
case MipmapFormat.CompressedDXT1:
mipmap.Bytes = DXT.DecompressImage(mipmap.Width, mipmap.Height, mipmap.Bytes, DXT.DXTFlags.DXT1);
mipmap.Format = MipmapFormat.RGBA8888;
break;
}
}
public void DecompressMipmap(ITexMipmap mipmap)
{
if (mipmap == null)
{
throw new ArgumentNullException(nameof(mipmap));
}
if (mipmap.IsLZ4Compressed)
{
mipmap.Bytes = Lz4Decompress(mipmap.Bytes, mipmap.DecompressedBytesCount);
mipmap.IsLZ4Compressed = false;
}
if (mipmap.Format.IsImage())
{
return;
}
switch (mipmap.Format)
{
case MipmapFormat.CompressedDXT5:
mipmap.Bytes = DXT.DecompressImage(mipmap.Width, mipmap.Height, mipmap.Bytes, DXTFlags.DXT5);
mipmap.Format = MipmapFormat.RGBA8888;
break;
case MipmapFormat.CompressedDXT3:
mipmap.Bytes = DXT.DecompressImage(mipmap.Width, mipmap.Height, mipmap.Bytes, DXTFlags.DXT3);
mipmap.Format = MipmapFormat.RGBA8888;
break;
case MipmapFormat.CompressedDXT1:
mipmap.Bytes = DXT.DecompressImage(mipmap.Width, mipmap.Height, mipmap.Bytes, DXTFlags.DXT1);
mipmap.Format = MipmapFormat.RGBA8888;
break;
}
}