The 2 enum classes `impeller::BlendMode` and `flutter::DlBlendMode` were essentially identical so they were merged. The names were consolidated to the ui.BlendMode/DlBlendMode versions and the implementation is shared from Impeller to DisplayList via a `using` directive. No conversion is needed any more to describe blend modes between DisplayList and Impeller.
Flutter Engine
Setting up the Engine development environment
See here
gclient bootstrap
Flutter engine uses gclient to manage dependencies.
If you've already cloned the flutter repository: