static JComponent jMaxSpeedAnimationWithStats(IF0<Pair<BufferedImage, O>> renderFrameWithStats) {
  new ImageSurface is;
  is.pixelate(true);
  //is.autoZoomToDisplay(true);
  new DoubleFPSCounter fps;
  var lblStats = jlabel();
  awtCalcContinuously(is, -> {
    try {
      var imageAndStats = renderFrameWithStats!;
      var image = pairA(imageAndStats);
      if (image != null) {
        fps.inc();
        is.setImage(image);
        setText(lblStats, joinNemptiesWithComma(fps, pairB(imageAndStats)));
      } else
        sleep(10);
    } catch print e {
      setText(lblStats, exceptionToStringShort(e));
      sleepSeconds(1); // error penalty
    }
  });
  
  ret centerAndSouth(jscroll_center_borderless(is), withMargin(lblStats));
}

Began life as a copy of #1035609