[2/5] WineD3D: Refuse to lock locked surfaces

[H. Verbeet]

On 22/08/07, Stefan Dösinger <stefan at codeweavers.com> wrote:
> LockRect() and LockRect(), then GetDC(). But since UnlockRect doesn't take a
> rectangle parameter, the runtime wouldn't know which rectangle is now locked
> or unlocked, so it is unlikely that two rectangles can be locked
> concurrently.
Makes sense.