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composite: Copy the window contents back from the pixmap

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Since extra expose events are no longer generated during window
unredirection, the window contents must be preserved by the server.
So copy the window contents back from the pixmap. The copy can only
be done after the clips have been recomputed, so delay the copy and
the pixmap destruction until ValidateTree is done. Window borders are
restored by HandleExposures and thus don't need to be copied back.

Signed-off-by: Ville Syrjälä <ville.syrjala@nokia.com>
Reviewed-by: Daniel Stone <daniel@fooishbar.org>
This commit is contained in:
Ville Syrjälä
2010-12-20 16:37:24 +02:00
parent 193ecc8b45
commit 74663e6152
3 changed files with 57 additions and 11 deletions
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5
composite/compint.h
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@@ -215,7 +215,10 @@ Bool
compAllocPixmap (WindowPtr pWin);
void
compFreePixmap (WindowPtr pWin);
compSetParentPixmap (WindowPtr pWin);
void
compRestoreWindow (WindowPtr pWin, PixmapPtr pPixmap);
Bool
compReallocPixmap (WindowPtr pWin, int x, int y,