SceneBuilderRecorder class abstract

A recorder for benchmarking interactions with the engine without the framework by directly exercising SceneBuilder.

To implement a benchmark, extend this class and implement onDrawFrame.

Example:

class BenchDrawCircle extends SceneBuilderRecorder {
  BenchDrawCircle() : super(name: benchmarkName);

  static const String benchmarkName = 'draw_circle';

  @override
  void onDrawFrame(SceneBuilder sceneBuilder) {
    final PictureRecorder pictureRecorder = PictureRecorder();
    final Canvas canvas = Canvas(pictureRecorder);
    final Paint paint = Paint()..color = const Color.fromARGB(255, 255, 0, 0);
    final Size windowSize = window.physicalSize;
    canvas.drawCircle(windowSize.center(Offset.zero), 50.0, paint);
    final Picture picture = pictureRecorder.endRecording();
    sceneBuilder.addPicture(picture);
  }
}