SDL: Jerky cursor movement
|Reported by:||eriktorbjorn||Owned by:||eriktorbjorn|
Since the backend no longer is responsible for
redrawing the cursor whenever it moves, cursor movement
has become noticeable jerky in some cases.
Some engines call updateScreen() often enough that I
don't notice any difference. In some, it's barely
noticeable. The one where it's really noticeable is the
Ticket imported from: #1456679. Ticket imported from: bugs/2547.