Scrolling is janky in gridView with local images #121525
Description
Scrolling a gridView is janky on ios Impeller.
Tested on latest stable and master 3.8.0-15.0.pre.25, iphone 13 pro, iose 16.1.
Steps to Reproduce
Please run this example here by enabling images from Assets:
https://github.com/delfme/janky-gridview-scrolling
Expected results:
Smooth scrolling.
Actual results:
See video below. Issue is hard to describe. Sometime janks are not noticeable although the feeling is not native-like, other time some jank occurs in a more noticeable way.
videozip_511.MP4
Profiling vid:
We can see initial jank frames. Then at 00:30:40 I started to scrolling a bit faster and noticed more jank frames.
Untitled.mp4
Flutter doctor:
[✓] Flutter (Channel master, 3.8.0-15.0.pre.25, on macOS 12.2 21D49 darwin-arm64, locale en-IT)
[!] Android toolchain - develop for Android devices (Android SDK version 31.0.0)
✗ cmdline-tools component is missing
Run path/to/sdkmanager --install "cmdline-tools;latest"
See https://developer.android.com/studio/command-line for more details.
✗ Android license status unknown.
Run flutter doctor --android-licenses to accept the SDK licenses.
See https://flutter.dev/docs/get-started/install/macos#android-setup for more details.
[✓] Xcode - develop for iOS and macOS (Xcode 13.4.1)
[✓] Chrome - develop for the web
[✓] Android Studio (version 2021.2)
[✓] Connected device (3 available)
[✓] HTTP Host Availability