[Bug 2398] OpenGL is only used on top level windows so child windows get overdrawn

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=2398





------- Additional Comments From mail(a)science.su  2006-21-12 18:10 -------
Created an attachment (id=4376)
 --> (http://bugs.winehq.org/attachment.cgi?id=4376&action=view)
Screenshot of googleearth with rest-of-window-overdrawn-by-black problem

I attached a half (just to minimize size of the attachment) from screenshot of
googleearth window with rest-of-window-overdrawn-by-black problem. Note that
rest of windows isn't overdrawn by solid black - it is overdrawn by black
background with stars (probably created during startup when window contains
only stars on black sky). This "background" is static - it never changes after
startup. Child window is correctly placed and have correct size. Problem is
that everything else is always overdrawn by this "background". Most other
programs overdraw rest of window with just solid black color.

Maybe this will be useful clue for someone who knows well OpenGL. Note that
rest of window is overdrawn by texture (which is just solid black in most cases
and googleearth is only exception known to me).

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