[1/7] WineD3D: use the window size as drawable size

[Stefan Dösinger]

> It would require adding more of them, but that's good, it makes the
> locking more explicit. We really have to stop taking a big global lock
> and executing thousands of lines of code inside it. As long as you are
> only moving the lock inside the individual functions the cost is the
> same.
In the current form there's one lock call each time the states are applied, if the individual functions call the lock there's one call per applied state