beginFrame method

RenderFrameStats beginFrame()

Opens a frame. Called by the scene at the start of renderViews.

Implementation

RenderFrameStats beginFrame() {
  final frame = RenderFrameStats(
    frameIndex: _frameCount,
    timestampMicros: DateTime.now().microsecondsSinceEpoch,
  );
  _active = frame;
  _frameStart.copyFrom(activeRenderCounters);
  _frameWatch
    ..reset()
    ..start();
  return frame;
}