Build flutter app for desktops

Question

I saw a few peoples managed to build flutter apps for other OS than the usual Android/IOS

My question here is simple : How ? What is the current process to build a flutter app for mac/windows ? There's no need for it to be production ready. Something experimental is enough

Answer 1

For those wondering how to : https://github.com/google/flutter-desktop-embedding

There's an example using openGL to render a flutter app