
One million is the number of microseconds in one second, which is also defined by `G_USEC_PER_SEC`. https://gitlab.gnome.org/GNOME/mutter/merge_requests/363
One million is the number of microseconds in one second, which is also defined by `G_USEC_PER_SEC`. https://gitlab.gnome.org/GNOME/mutter/merge_requests/363