Bug #2082

Stefan Dösinger stefandoesinger at gmx.at
Thu Jul 7 19:23:19 CDT 2011


Your test app is pretty helpful, I'll reply with more details in the bug 
report. Note however that this is not an easy buy, if it was it would have 
been fixed years ago. I am not convinced that a proper fix is possible at all. 
The apps in question, and your test app, are essentially broken, they just 
used to work by luck on Pre-compositing Windows versions, and we can hack them 
into a working state on X11 too as long as the user doesn't use a compositing 
window manager.


On Thursday 07 July 2011 21:43:49 Charles Welton wrote:
> This is one of the longest standing bugs which don't get much love from
> developers. Today I took some time with traces and wrote a test case
> which fails against git: http://bugs.winehq.org/attachment.cgi?id=35469
> What is happening? When there's a child window to the ddraw window over
> it(the ddraw window), wined3d doesn't draw over the child. Windows,
> however, doesn't care about children and draws over them. Note that the
> DC is the same for both(according to traces).
> Not only that, the child window have different positions when in
> fullscreen or virtual desktop.
> As for the fix, I have yet to find the culprit dll(s) for this.
> Unfortunately I don't have the experience with wine's code and would
> like suggestions as to where to begin.
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