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Skip windows not ready for painting before computing screen area to redraw.

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svn path=/trunk/KDE/kdebase/workspace/; revision=807441
This commit is contained in:
Luboš Luňák 2008-05-13 20:49:56 +00:00
parent 8288e7460f
commit 5d1c5d355f
1 changed files with 6 additions and 5 deletions
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11
composite.cpp
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@ -300,6 +300,12 @@ void Workspace::performCompositing()
windows.removeAll( t );
windows.append( t );
}
// skip windows that are not yet ready for being painted
ToplevelList tmp = windows;
windows.clear();
foreach( Toplevel* c, tmp )
if( c->readyForPainting())
windows.append( c );
foreach( Toplevel* c, windows )
{ // This could be possibly optimized WRT obscuring, but that'd need being already
// past prePaint() phase - probably not worth it.
@ -308,11 +314,6 @@ void Workspace::performCompositing()
repaints_region |= c->repaints().translated( c->pos());
c->resetRepaints( c->rect());
}
ToplevelList tmp = windows;
windows.clear();
foreach( Toplevel* c, tmp )
if( c->readyForPainting())
windows.append( c );
QRegion repaints = repaints_region;
// clear all repaints, so that post-pass can add repaints for the next repaint
repaints_region = QRegion();