public static RawTextureInfo Read(byte[] data)
{
using (var ms = new MemoryStream(data))
{
using (var br = new BinaryReader(ms))
{
CRNHeaderStruct header = CRNHeaderStruct.Read(br);
uint sig = header.m_sig.Value;
if (sig != CRNHeaderStruct.CRN_SIG_VALUE)
{
return(null);
}
var info = new RawTextureInfo();
info.Width = (int)header.m_width.Value;
info.Height = (int)header.m_height.Value;
info.HasMips = header.m_levels.Value > 1;
uint format = header.m_format.Value;
if (format == cCRNFmtDXT1)
{
info.Format = TextureFormat.DXT1Crunched;
}
else if (format == cCRNFmtDXT5)
{
info.Format = TextureFormat.DXT5Crunched;
}
else
{
Debug.LogError("Unknown crn format = " + header.m_format.Value);
}
info.RawData = data;
return(info);
}
}
}
public static RawTextureInfo Read(byte[] data)
{
using (var ms = new MemoryStream(data))
{
using (var br = new BinaryReader(ms))
{
DDSHeaderStruct header = new DDSHeaderStruct();
if (ReadHeader(br, ref header))
{
RawTextureInfo info = new RawTextureInfo();
info.Width = (int)header.width;
info.Height = (int)header.height;
info.HasMips = header.mipmapcount > 1;
switch (header.pixelformat.fourcc)
{
case FOURCC_NO_COMPRESSION:
if (header.pixelformat.rgbbitcount == 8)
{
info.Format = TextureFormat.Alpha8;
}
else if (header.pixelformat.rgbbitcount == 32)
{
info.Format = TextureFormat.RGBA32;
}
else
{
Debug.LogError("Invalid texture format fourcc = " + header.pixelformat.fourcc + " rgbbitcount = " + header.pixelformat.rgbbitcount);
}
break;
case FOURCC_DXT1:
info.Format = TextureFormat.DXT1;
break;
case FOURCC_DXT5:
info.Format = TextureFormat.DXT5;
break;
default:
Debug.LogError("Unrecognized texture format fourcc = " + header.pixelformat.fourcc);
break;
}
info.RawData = new byte[ms.Length - ms.Position];
ms.Read(info.RawData, 0, info.RawData.Length);
return(info);
}
}
}
return(null);
}
