3DMark2000 regression

Dmitry Timoshkov dmitry at codeweavers.com
Sun Jan 21 08:45:34 CST 2007


"Stefan Dösinger" <stefan at codeweavers.com> wrote:

> > If you need to make a window visible call ShowWindow, not remove WS_VISIBLE
> > and later call SetWindowPos(SWP_SHOWWINDOW).
> So showing the window is fine, what was wrong before was removing all the
> flags and then showing the window again.

Yes, that forces the window to be mapped to the screen again regardless of its
previous state. That also leads to a not necessary fullscreen requests to a WM
even if a window was already properly fullscreen'ed before.

> I will send a patch that shows the
> window using ShowWindow.
>
> Is there any difference between ShowWindow(hwnd) and SetWindowPos(hwnd, ...,
> SWP_SHOWWINDOW)?

ShowWindow does nothing if the window is already visible while SetWindowPos
goes through very complicated way of things with possibly some side effects
(due to sent messages).

-- 
Dmitry. 




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