Remove the sorting cache from the QGraphicsScene and move it to the BSP.

Now the QGraphicsScene has no idea how works the index. So we can
improve it separatly, add new ones and benchmarks existing ones.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/gui/graphicsview/qgraphicssceneindex_p.h b/src/gui/graphicsview/qgraphicssceneindex_p.h
index f2cdca3..2014693 100644
--- a/src/gui/graphicsview/qgraphicssceneindex_p.h
+++ b/src/gui/graphicsview/qgraphicssceneindex_p.h
@@ -58,6 +58,7 @@
 #if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW
 
 #include <private/qobject_p.h>
+#include <private/qgraphicsitem_p.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -86,7 +87,7 @@ public:
                            const QPainterPath &path,
                            Qt::ItemSelectionMode mode) const;
 
-    QGraphicsScene *scene;
+   QGraphicsScene *scene;
 };
 
 QT_END_NAMESPACE