Set correct device pixel ratio in generator
We request pixmaps with a specific dpr, but the returned pixmap has a dpr of 1.
Later when rendering we set the desired dpr on the pixmap, which causes the pixmap to detach and copy its content.
We request pixmaps with a specific dpr, but the returned pixmap has a dpr of 1.
Later when rendering we set the desired dpr on the pixmap, which causes the pixmap to detach and copy its content.