EG_IMAGE * LoadOSIcon(IN CHAR16 *OSIconName OPTIONAL, IN CHAR16 *FallbackIconName, BOOLEAN BootLogo);
-EG_IMAGE * LoadIcns(IN EFI_FILE_HANDLE BaseDir, IN CHAR16 *FileName, IN UINTN PixelSize);
EG_IMAGE * DummyImage(IN UINTN PixelSize);
EG_IMAGE * BuiltinIcon(IN UINTN Id);