public static unsafe DdsImage Load(Stream stream)
{
StreamIOCallbacks streamIO = new StreamIOCallbacks(stream);
IOCallbacks callbacks = new IOCallbacks
{
Read = streamIO.Read,
Write = streamIO.Write,
Seek = streamIO.Seek,
GetSize = streamIO.GetSize
};
int hr;
DDSLoadInfo info = new DDSLoadInfo();
if (IntPtr.Size == 8)
{
hr = DdsIO_x64.Load(callbacks, ref info);
}
else
{
hr = DdsIO_x86.Load(callbacks, ref info);
}
GC.KeepAlive(streamIO);
GC.KeepAlive(callbacks);
if (FAILED(hr))
{
if (streamIO.CallbackExceptionInfo != null)
{
streamIO.CallbackExceptionInfo.Throw();
}
else
{
switch (hr)
{
case HResult.InvalidData:
throw new FormatException("The DDS file is invalid.");
case HResult.NotSupported:
throw new FormatException("The file is not a supported DDS format.");
default:
Marshal.ThrowExceptionForHR(hr);
break;
}
}
}
return(DdsImageFactory(info));
}
private static void LoadDdsFile(Stream stream, ref DDSLoadInfo info)
{
StreamIOCallbacks streamIO = new StreamIOCallbacks(stream);
IOCallbacks callbacks = new IOCallbacks
{
Read = streamIO.Read,
Write = streamIO.Write,
Seek = streamIO.Seek,
GetSize = streamIO.GetSize
};
int hr;
if (IntPtr.Size == 8)
{
hr = DdsIO_x64.Load(callbacks, ref info);
}
else
{
hr = DdsIO_x86.Load(callbacks, ref info);
}
GC.KeepAlive(streamIO);
GC.KeepAlive(callbacks);
if (FAILED(hr))
{
switch (hr)
{
case HResult.InvalidData:
throw new FormatException("The DDS file is invalid.");
case HResult.NotSupported:
throw new FormatException("The file is not a supported DDS format.");
default:
Marshal.ThrowExceptionForHR(hr);
break;
}
}
}
public static unsafe DdsImage Load(Stream stream)
{
StreamIOCallbacks streamIO = new StreamIOCallbacks(stream);
IOCallbacks callbacks = new IOCallbacks
{
Read = streamIO.Read,
Write = streamIO.Write,
Seek = streamIO.Seek,
GetSize = streamIO.GetSize
};
int hr;
DDSLoadInfo info = new DDSLoadInfo();
#if NET47
if (IntPtr.Size == 8)
#else
if (RuntimeInformation.ProcessArchitecture == Architecture.X64)
#endif
{
hr = DdsIO_x64.Load(callbacks, ref info);
}
#if NET47
else if (IntPtr.Size == 4)
#else
else if (RuntimeInformation.ProcessArchitecture == Architecture.X86)
#endif
{
hr = DdsIO_x86.Load(callbacks, ref info);
}
else
{
throw new PlatformNotSupportedException();
}
GC.KeepAlive(streamIO);
GC.KeepAlive(callbacks);
if (FAILED(hr))
{
if (streamIO.CallbackExceptionInfo != null)
{
streamIO.CallbackExceptionInfo.Throw();
}
else
{
switch (hr)
{
case HResult.InvalidData:
throw new FormatException("The DDS file is invalid.");
case HResult.NotSupported:
throw new FormatException("The file is not a supported DDS format.");
default:
Marshal.ThrowExceptionForHR(hr);
break;
}
}
}
return(new DdsImage(info));
}
