1 files changed, 4 insertions, 3 deletions
diff --git a/src/widgets/kernel/qwidgetbackingstore_p.h b/src/widgets/kernel/qwidgetbackingstore_p.h
index bcffa3be79..c45e60ef6e 100644
--- a/src/widgets/kernel/qwidgetbackingstore_p.h
+++ b/src/widgets/kernel/qwidgetbackingstore_p.h
@@ -71,13 +71,13 @@ class QPlatformTextureListWatcher : public QObject
 public:
     QPlatformTextureListWatcher(QWidgetBackingStore *backingStore);
     void watch(QPlatformTextureList *textureList);
-    bool isLocked() const { return m_locked; }
+    bool isLocked() const;
 
 private slots:
      void onLockStatusChanged(bool locked);
 
 private:
-     bool m_locked;
+     QHash<QPlatformTextureList *, bool> m_locked;
      QWidgetBackingStore *m_backingStore;
 };
 #endif
@@ -128,7 +128,6 @@ private:
     QVector<QWidget *> dirtyRenderToTextureWidgets;
     QVector<QWidget *> *dirtyOnScreenWidgets;
     QList<QWidget *> staticWidgets;
-    QPlatformTextureList *widgetTextures;
     QBackingStore *store;
     uint fullUpdatePending : 1;
     uint updateRequestSent : 1;
@@ -301,6 +300,8 @@ private:
     friend class QWidgetPrivate;
     friend class QWidget;
     friend class QBackingStore;
+
+    Q_DISABLE_COPY(QWidgetBackingStore)
 };
 
 QT_END_NAMESPACE