[PATCH] wined3d: Restore the Topmost state upon exiting fullscreen, when used from DXGI.

[Rémi Bernon]

On 2020-07-02 17:14, Gabriel Ivăncescu wrote:
> Hi Rémi,
> 
> On 02/07/2020 16:14, Rémi Bernon wrote:
>>
>> Hi,
>>
>> I investigated this logic a while ago, and I believe it's a little bit 
>> more convoluted. I think there's, for instance, some interaction with 
>> the WINED3DCREATE_NOWINDOWCHANGES flag, but the behavior also varies 
>> between ddraw, d3d <= 9, d3d >= 9ex and dxgi.
>>
>> AFAICS there's also the same kind of change / restore logic with 
>> window visibility, and of course window styles -- which wined3d 
>> incorrectly modifies.
>>
>> I have some patches with some more tests showing that, but it was 
>> based on some other changes to remove the window styles updates, that 
>> I sent a while ago but didn't try sending again since then.
>>
>> I'm attaching my whole series if you want to have a look, potentially 
>> the additional tests can be interesting. Feel free to take over it too.
> 
> Thanks for the patches, I'll take a look at them. Though I think 
> WS_EX_TOPMOST deserves special handling, because it can't be modified 
> with SetWindowLong like other styles.

Sure, there's also window visibility that may be changed or restored in 
the same way (not sure if it can be controlled through styles).

> BTW, I can't find where WINED3DCREATE_NOWINDOWCHANGES is set at all. 
> It's checked in a couple of places but not set anywhere in whole wine 
> tree. Is it even used anymore?

It's not used directly IIRC but it has the same value as some 
corresponding D3D flag.
-- 
Rémi Bernon <rbernon at codeweavers.com>