[Bug 28678] DirectDraw primary buffer is obscured by transparent window

wine-bugs at winehq.org wine-bugs at winehq.org
Wed Oct 12 12:04:04 CDT 2011


http://bugs.winehq.org/show_bug.cgi?id=28678

--- Comment #4 from Henri Verbeet <hverbeet at gmail.com> 2011-10-12 12:04:04 CDT ---
(In reply to comment #3)
> Haven't tested that, I'm going to try to write a small app to test this. I
> don't really understand how it actually happens that the rectangle is obscured
> though. Is it based on Z-ordering of windows and ddraw->wined3d_frontbuffer has
> an attached Z-buffer?
> 
We don't do anything special about this in ddraw/wined3d. From your description
it sounds like the gray rectangle you're seeing is the dialog painting its
background while it shouldn't (because of WS_EX_TRANSPARENT).

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