Default way of warming up Skia shader compilations.
The draw operations being warmed up here are decided according to Flutter engineers' observation and experience based on the apps and the performance issues seen so far.
Canvas canvas) → Future< void>
Trigger common draw operations on a canvas to warm up GPU shader
) → Future< void>
Construct an offscreen image of size, and execute warmUpOnCanvas on a
canvas associated with that image.
Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
) → String
Returns a string representation of this object.