message: Always downcast for special formats
  * This would previously have allowed RGB10A2 data to be written literally, as it
  was otherwise detected as RGBA8.
diff: @@ -742,7 +742,7 @@ ResultDetails ReplayController::SaveTexture(const TextureSave &saveData, const r
  // for non-HDR always downcast if we're not already RGBA8 unorm
  if(sd.destType != FileType::DDS && sd.destType != FileType::HDR && sd.destType != FileType::EXR &&
  (td.format.compByteWidth != 1 || td.format.compCount != 4 ||
  - td.format.compType != CompType::UNorm || td.format.BGRAOrder()))
  + td.format.compType != CompType::UNorm || td.format.BGRAOrder() || td.format.Special()))
  downcast = true;
  // for HDR & EXR we can convert from most regular types as well as 10.10.10.2 and 11.11.10
  