Merge remote-tracking branch 'origin/4.7' into HEAD

Conflicts:
	configure
	mkspecs/symbian-gcce/qmake.conf
	qmake/generators/metamakefile.cpp
	qmake/generators/win32/mingw_make.cpp
	src/corelib/global/global.pri
	src/corelib/global/qglobal.h
	src/opengl/qgl.cpp
	src/opengl/qwindowsurface_gl.cpp
	src/plugins/platforms/wayland/qwaylandbuffer.h
	tests/auto/qnetworkreply/tst_qnetworkreply.cpp
	tools/designer/src/components/formeditor/qdesigner_resource.cpp

51 files changed, 2078 insertions, 169 deletions

diff --git a/configure b/configure
index 09ab545251..c0f8641fc8 100755
--- a/configure
+++ b/configure
@@ -3474,8 +3474,10 @@ if [ -z "$QT_INSTALL_PREFIX" ]; then
             QT_INSTALL_PREFIX="${QT_INSTALL_PREFIX}-${CFG_ARCH}"
         fi
     elif [ -d "$EPOCROOT" ] && [ "$XPLATFORM_SYMBIAN" = "yes" ]; then
-        QT_INSTALL_PREFIX="$EPOCROOT/epoc32/"
-        QT_INSTALL_LIBS="$EPOCROOT/epoc32/release/armv5/lib/"
+        if [ "$XPLATFORM_SYMBIAN" = "yes" ]; then
+            QT_INSTALL_PREFIX="$EPOCROOT/epoc32/"
+            QT_INSTALL_LIBS="$EPOCROOT/epoc32/release/armv5/lib/"
+        fi
     else
         QT_INSTALL_PREFIX="/usr/local/Trolltech/Qt-${QT_VERSION}" # the default install prefix is /usr/local/Trolltech/Qt-$QT_VERSION
     fi
diff --git a/mkspecs/common/symbian/symbian.conf b/mkspecs/common/symbian/symbian.conf
index e3813a4c5d..d9f6279f57 100644
--- a/mkspecs/common/symbian/symbian.conf
+++ b/mkspecs/common/symbian/symbian.conf
@@ -260,7 +260,7 @@ defineTest(matchSymbianLanguages) {
                     HANDLED_LANGUAGES += $$strippedLanguage
                     SYMBIAN_UNMAPPED_LANGUAGES += $$language
                     SYMBIAN_MATCHED_LANGUAGES += $$language
-                    SYMBIAN_MATCHED_TRANSLATIONS += $$translation
+                    SYMBIAN_MATCHED_TRANSLATIONS += $$_PRO_FILE_PWD_/$$translation
                     SYMBIAN_LANGUAGE_FALLBACK.$$language = $$strippedLanguage
                     export(SYMBIAN_LANGUAGE_FALLBACK.$$language)
                 }
diff --git a/src/declarative/graphicsitems/qdeclarativeflickable.cpp b/src/declarative/graphicsitems/qdeclarativeflickable.cpp
index 1e2b70c220..bfebff6aca 100644
--- a/src/declarative/graphicsitems/qdeclarativeflickable.cpp
+++ b/src/declarative/graphicsitems/qdeclarativeflickable.cpp
@@ -1409,8 +1409,10 @@ bool QDeclarativeFlickable::sendMouseEvent(QGraphicsSceneMouseEvent *event)
 
     QGraphicsScene *s = scene();
     QDeclarativeItem *grabber = s ? qobject_cast<QDeclarativeItem*>(s->mouseGrabberItem()) : 0;
+    QGraphicsItem *grabberItem = s ? s->mouseGrabberItem() : 0;
+    bool disabledItem = grabberItem && !grabberItem->isEnabled();
     bool stealThisEvent = d->stealMouse;
-    if ((stealThisEvent || myRect.contains(event->scenePos().toPoint())) && (!grabber || !grabber->keepMouseGrab())) {
+    if ((stealThisEvent || myRect.contains(event->scenePos().toPoint())) && (!grabber || !grabber->keepMouseGrab() || disabledItem)) {
         mouseEvent.setAccepted(false);
         for (int i = 0x1; i <= 0x10; i <<= 1) {
             if (event->buttons() & i) {
@@ -1457,12 +1459,12 @@ bool QDeclarativeFlickable::sendMouseEvent(QGraphicsSceneMouseEvent *event)
             break;
         }
         grabber = qobject_cast<QDeclarativeItem*>(s->mouseGrabberItem());
-        if (grabber && stealThisEvent && !grabber->keepMouseGrab() && grabber != this) {
+        if ((grabber && stealThisEvent && !grabber->keepMouseGrab() && grabber != this) || disabledItem) {
             d->clearDelayedPress();
             grabMouse();
         }
 
-        return stealThisEvent || d->delayedPressEvent;
+        return stealThisEvent || d->delayedPressEvent || disabledItem;
     } else if (d->lastPosTime.isValid()) {
         d->lastPosTime.invalidate();
     }
diff --git a/src/declarative/graphicsitems/qdeclarativegridview.cpp b/src/declarative/graphicsitems/qdeclarativegridview.cpp
index 5c2f781bc2..c0cbed0637 100644
--- a/src/declarative/graphicsitems/qdeclarativegridview.cpp
+++ b/src/declarative/graphicsitems/qdeclarativegridview.cpp
@@ -2834,11 +2834,9 @@ void QDeclarativeGridView::itemsInserted(int modelIndex, int count)
         if (d->currentItem) {
             d->currentItem->index = d->currentIndex;
             d->currentItem->setPosition(d->colPosAt(d->currentIndex), d->rowPosAt(d->currentIndex));
-        } else if (!d->currentIndex || (d->currentIndex < 0 && !d->currentIndexCleared)) {
-            d->updateCurrent(0);
         }
         emit currentIndexChanged();
-    } else if (d->itemCount == 0 && d->currentIndex == -1) {
+    } else if (d->itemCount == 0 && (!d->currentIndex || (d->currentIndex < 0 && !d->currentIndexCleared))) {
         setCurrentIndex(0);
     }
 
@@ -2906,6 +2904,8 @@ void QDeclarativeGridView::itemsRemoved(int modelIndex, int count)
         d->currentIndex = -1;
         if (d->itemCount)
             d->updateCurrent(qMin(modelIndex, d->itemCount-1));
+        else
+            emit currentIndexChanged();
     }
 
     // update visibleIndex
diff --git a/src/declarative/graphicsitems/qdeclarativelistview.cpp b/src/declarative/graphicsitems/qdeclarativelistview.cpp
index 2c23a1bf7b..6ae1ddc525 100644
--- a/src/declarative/graphicsitems/qdeclarativelistview.cpp
+++ b/src/declarative/graphicsitems/qdeclarativelistview.cpp
@@ -3272,10 +3272,10 @@ void QDeclarativeListView::itemsInserted(int modelIndex, int count)
         if (d->currentItem) {
             d->currentItem->index = d->currentIndex;
             d->currentItem->setPosition(d->currentItem->position() + diff);
-        } else if (!d->currentIndex || (d->currentIndex < 0 && !d->currentIndexCleared)) {
-            d->updateCurrent(0);
         }
         emit currentIndexChanged();
+    } else if (!d->itemCount && (!d->currentIndex || (d->currentIndex < 0 && !d->currentIndexCleared))) {
+        d->updateCurrent(0);
     }
     // Update the indexes of the following visible items.
     for (; index < d->visibleItems.count(); ++index) {
@@ -3356,6 +3356,8 @@ void QDeclarativeListView::itemsRemoved(int modelIndex, int count)
         d->currentIndex = -1;
         if (d->itemCount)
             d->updateCurrent(qMin(modelIndex, d->itemCount-1));
+        else
+            emit currentIndexChanged();
     }
 
     // update visibleIndex
diff --git a/src/declarative/graphicsitems/qdeclarativerectangle.cpp b/src/declarative/graphicsitems/qdeclarativerectangle.cpp
index d962919807..8f5907360e 100644
--- a/src/declarative/graphicsitems/qdeclarativerectangle.cpp
+++ b/src/declarative/graphicsitems/qdeclarativerectangle.cpp
@@ -70,7 +70,7 @@ QT_BEGIN_NAMESPACE
 void QDeclarativePen::setColor(const QColor &c)
 {
     _color = c;
-    _valid = _color.alpha() ? true : false;
+    _valid = (_color.alpha() && _width >= 1) ? true : false;
     emit penChanged();
 }
 
@@ -80,7 +80,7 @@ void QDeclarativePen::setWidth(int w)
         return;
 
     _width = w;
-    _valid = (_width < 1) ? false : true;
+    _valid = (_color.alpha() && _width >= 1) ? true : false;
     emit penChanged();
 }
 
diff --git a/src/declarative/qml/qdeclarativevme.cpp b/src/declarative/qml/qdeclarativevme.cpp
index 2d551f2f43..781e1b8ea3 100644
--- a/src/declarative/qml/qdeclarativevme.cpp
+++ b/src/declarative/qml/qdeclarativevme.cpp
@@ -127,6 +127,22 @@ void QDeclarativeVME::runDeferred(QObject *object)
     run(stack, ctxt, comp, start, count, QBitField());
 }
 
+inline bool fastHasBinding(QObject *o, int index) 
+{
+    QDeclarativeData *ddata = static_cast<QDeclarativeData *>(QObjectPrivate::get(o)->declarativeData);
+
+    return ddata && (ddata->bindingBitsSize > index) && 
+           (ddata->bindingBits[index / 32] & (1 << (index % 32)));
+}
+
+static void removeBindingOnProperty(QObject *o, int index)
+{
+    QDeclarativeAbstractBinding *binding = QDeclarativePropertyPrivate::setBinding(o, index, -1, 0);
+    if (binding) binding->destroy();
+}
+
+#define CLEAN_PROPERTY(o, index) if (fastHasBinding(o, index)) removeBindingOnProperty(o, index)
+
 QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack, 
                               QDeclarativeContextData *ctxt, 
                               QDeclarativeCompiledData *comp, 
@@ -336,6 +352,8 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
         case QDeclarativeInstruction::StoreVariant:
             {
                 QObject *target = stack.top();
+                CLEAN_PROPERTY(target, instr.storeString.propertyIndex);
+
                 // XXX - can be more efficient
                 QVariant v = QDeclarativeStringConverters::variantFromString(primitives.at(instr.storeString.value));
                 void *a[] = { &v, 0, &status, &flags };
@@ -347,6 +365,8 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
         case QDeclarativeInstruction::StoreVariantInteger:
             {
                 QObject *target = stack.top();
+                CLEAN_PROPERTY(target, instr.storeString.propertyIndex);
+
                 QVariant v(instr.storeInteger.value);
                 void *a[] = { &v, 0, &status, &flags };
                 QMetaObject::metacall(target, QMetaObject::WriteProperty, 
@@ -357,6 +377,8 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
         case QDeclarativeInstruction::StoreVariantDouble:
             {
                 QObject *target = stack.top();
+                CLEAN_PROPERTY(target, instr.storeString.propertyIndex);
+
                 QVariant v(instr.storeDouble.value);
                 void *a[] = { &v, 0, &status, &flags };
                 QMetaObject::metacall(target, QMetaObject::WriteProperty, 
@@ -367,6 +389,8 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
         case QDeclarativeInstruction::StoreVariantBool:
             {
                 QObject *target = stack.top();
+                CLEAN_PROPERTY(target, instr.storeString.propertyIndex);
+
                 QVariant v(instr.storeBool.value);
                 void *a[] = { &v, 0, &status, &flags };
                 QMetaObject::metacall(target, QMetaObject::WriteProperty, 
@@ -377,6 +401,8 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
         case QDeclarativeInstruction::StoreString:
             {
                 QObject *target = stack.top();
+                CLEAN_PROPERTY(target, instr.storeString.propertyIndex);
+
                 void *a[] = { (void *)&primitives.at(instr.storeString.value), 0, &status, &flags };
                 QMetaObject::metacall(target, QMetaObject::WriteProperty, 
                                       instr.storeString.propertyIndex, a);
@@ -386,6 +412,8 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
         case QDeclarativeInstruction::StoreUrl:
             {
                 QObject *target = stack.top();
+                CLEAN_PROPERTY(target, instr.storeUrl.propertyIndex);
+
                 void *a[] = { (void *)&urls.at(instr.storeUrl.value), 0, &status, &flags };
                 QMetaObject::metacall(target, QMetaObject::WriteProperty, 
                                       instr.storeUrl.propertyIndex, a);
@@ -395,6 +423,8 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
         case QDeclarativeInstruction::StoreFloat:
             {
                 QObject *target = stack.top();
+                CLEAN_PROPERTY(target, instr.storeFloat.propertyIndex);
+
                 float f = instr.storeFloat.value;
                 void *a[] = { &f, 0, &status, &flags };
                 QMetaObject::metacall(target, QMetaObject::WriteProperty,
@@ -405,6 +435,8 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
         case QDeclarativeInstruction::StoreDouble:
             {
                 QObject *target = stack.top();
+                CLEAN_PROPERTY(target, instr.storeDouble.propertyIndex);
+
                 double d = instr.storeDouble.value;
                 void *a[] = { &d, 0, &status, &flags };
                 QMetaObject::metacall(target, QMetaObject::WriteProperty,
@@ -415,6 +447,8 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
         case QDeclarativeInstruction::StoreBool:
             {
                 QObject *target = stack.top();
+                CLEAN_PROPERTY(target, instr.storeBool.propertyIndex);
+
                 void *a[] = { (void *)&instr.storeBool.value, 0, &status, &flags };
                 QMetaObject::metacall(target, QMetaObject::WriteProperty, 
                                       instr.storeBool.propertyIndex, a);
@@ -424,6 +458,8 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
         case QDeclarativeInstruction::StoreInteger:
             {
                 QObject *target = stack.top();
+                CLEAN_PROPERTY(target, instr.storeInteger.propertyIndex);
+
                 void *a[] = { (void *)&instr.storeInteger.value, 0, &status, &flags };
                 QMetaObject::metacall(target, QMetaObject::WriteProperty, 
                                       instr.storeInteger.propertyIndex, a);
@@ -433,6 +469,8 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
         case QDeclarativeInstruction::StoreColor:
             {
                 QObject *target = stack.top();
+                CLEAN_PROPERTY(target, instr.storeColor.propertyIndex);
+
                 QColor c = QColor::fromRgba(instr.storeColor.value);
                 void *a[] = { &c, 0, &status, &flags };
                 QMetaObject::metacall(target, QMetaObject::WriteProperty, 
@@ -443,6 +481,8 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
         case QDeclarativeInstruction::StoreDate:
             {
                 QObject *target = stack.top();
+                CLEAN_PROPERTY(target, instr.storeDate.propertyIndex);
+
                 QDate d = QDate::fromJulianDay(instr.storeDate.value);
                 void *a[] = { &d, 0, &status, &flags };
                 QMetaObject::metacall(target, QMetaObject::WriteProperty, 
@@ -453,6 +493,8 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
         case QDeclarativeInstruction::StoreTime:
             {
                 QObject *target = stack.top();
+                CLEAN_PROPERTY(target, instr.storeTime.propertyIndex);
+
                 QTime t;
                 t.setHMS(intData.at(instr.storeTime.valueIndex),
                          intData.at(instr.storeTime.valueIndex+1),
@@ -467,6 +509,8 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
         case QDeclarativeInstruction::StoreDateTime:
             {
                 QObject *target = stack.top();
+                CLEAN_PROPERTY(target, instr.storeDateTime.propertyIndex);
+
                 QTime t;
                 t.setHMS(intData.at(instr.storeDateTime.valueIndex+1),
                          intData.at(instr.storeDateTime.valueIndex+2),
@@ -482,6 +526,8 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
         case QDeclarativeInstruction::StorePoint:
             {
                 QObject *target = stack.top();
+                CLEAN_PROPERTY(target, instr.storeRealPair.propertyIndex);
+
                 QPoint p = QPointF(floatData.at(instr.storeRealPair.valueIndex),
                                    floatData.at(instr.storeRealPair.valueIndex+1)).toPoint();
                 void *a[] = { &p, 0, &status, &flags };
@@ -493,6 +539,8 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
         case QDeclarativeInstruction::StorePointF:
             {
                 QObject *target = stack.top();
+                CLEAN_PROPERTY(target, instr.storeRealPair.propertyIndex);
+
                 QPointF p(floatData.at(instr.storeRealPair.valueIndex),
                           floatData.at(instr.storeRealPair.valueIndex+1));
                 void *a[] = { &p, 0, &status, &flags };
@@ -504,6 +552,8 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
         case QDeclarativeInstruction::StoreSize:
             {
                 QObject *target = stack.top();
+                CLEAN_PROPERTY(target, instr.storeRealPair.propertyIndex);
+
                 QSize p = QSizeF(floatData.at(instr.storeRealPair.valueIndex),
                                  floatData.at(instr.storeRealPair.valueIndex+1)).toSize();
                 void *a[] = { &p, 0, &status, &flags };
@@ -515,6 +565,8 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
         case QDeclarativeInstruction::StoreSizeF:
             {
                 QObject *target = stack.top();
+                CLEAN_PROPERTY(target, instr.storeRealPair.propertyIndex);
+
                 QSizeF s(floatData.at(instr.storeRealPair.valueIndex),
                          floatData.at(instr.storeRealPair.valueIndex+1));
                 void *a[] = { &s, 0, &status, &flags };
@@ -526,6 +578,8 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
         case QDeclarativeInstruction::StoreRect:
             {
                 QObject *target = stack.top();
+                CLEAN_PROPERTY(target, instr.storeRect.propertyIndex);
+
                 QRect r = QRectF(floatData.at(instr.storeRect.valueIndex),
                                  floatData.at(instr.storeRect.valueIndex+1),
                                  floatData.at(instr.storeRect.valueIndex+2),
@@ -539,6 +593,8 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
         case QDeclarativeInstruction::StoreRectF:
             {
                 QObject *target = stack.top();
+                CLEAN_PROPERTY(target, instr.storeRect.propertyIndex);
+
                 QRectF r(floatData.at(instr.storeRect.valueIndex),
                          floatData.at(instr.storeRect.valueIndex+1),
                          floatData.at(instr.storeRect.valueIndex+2),
@@ -552,6 +608,8 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
         case QDeclarativeInstruction::StoreVector3D:
             {
                 QObject *target = stack.top();
+                CLEAN_PROPERTY(target, instr.storeVector3D.propertyIndex);
+
                 QVector3D p(floatData.at(instr.storeVector3D.valueIndex),
                             floatData.at(instr.storeVector3D.valueIndex+1),
                             floatData.at(instr.storeVector3D.valueIndex+2));
@@ -565,6 +623,7 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
             {
                 QObject *assignObj = stack.pop();
                 QObject *target = stack.top();
+                CLEAN_PROPERTY(target, instr.storeObject.propertyIndex);
 
                 void *a[] = { (void *)&assignObj, 0, &status, &flags };
                 QMetaObject::metacall(target, QMetaObject::WriteProperty, 
@@ -576,6 +635,8 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
         case QDeclarativeInstruction::AssignCustomType:
             {
                 QObject *target = stack.top();
+                CLEAN_PROPERTY(target, instr.assignCustomType.propertyIndex);
+
                 QDeclarativeCompiledData::CustomTypeData data = customTypeData.at(instr.assignCustomType.valueIndex);
                 const QString &primitive = primitives.at(data.index);
                 QDeclarativeMetaType::StringConverter converter = 
@@ -780,6 +841,7 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
             {
                 QObject *assign = stack.pop();
                 QObject *target = stack.top();
+                CLEAN_PROPERTY(target, instr.storeObject.propertyIndex);
 
                 QVariant v = QVariant::fromValue(assign);
                 void *a[] = { &v, 0, &status, &flags };
@@ -792,6 +854,7 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
             {
                 QObject *assign = stack.pop();
                 QObject *target = stack.top();
+                CLEAN_PROPERTY(target, instr.storeObject.propertyIndex);
 
                 int coreIdx = instr.storeObject.propertyIndex;
                 QMetaProperty prop = target->metaObject()->property(coreIdx);
diff --git a/src/gui/inputmethod/qcoefepinputcontext_s60.cpp b/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
index 73aa982aa5..9d8dd41a1a 100644
--- a/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
+++ b/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
@@ -394,7 +394,8 @@ void QCoeFepInputContext::resetSplitViewWidget(bool keepInputWidget)
 
     if (!alwaysResize) {
         if (gv->scene()) {
-            disconnect(gv->scene()->focusItem()->toGraphicsObject(), SIGNAL(cursorPositionChanged()), this, SLOT(translateInputWidget()));
+            if (gv->scene()->focusItem())
+                disconnect(gv->scene()->focusItem()->toGraphicsObject(), SIGNAL(cursorPositionChanged()), this, SLOT(translateInputWidget()));
             QGraphicsItem *rootItem;
             foreach (QGraphicsItem *item, gv->scene()->items()) {
                 if (!item->parentItem()) {
diff --git a/src/gui/kernel/qdesktopwidget_s60.cpp b/src/gui/kernel/qdesktopwidget_s60.cpp
index c3963f4eb7..62a4d40eba 100644
--- a/src/gui/kernel/qdesktopwidget_s60.cpp
+++ b/src/gui/kernel/qdesktopwidget_s60.cpp
@@ -188,12 +188,14 @@ void QDesktopWidgetPrivate::cleanup()
 void QDesktopWidgetPrivate::init_sys()
 {
 #if defined(Q_SYMBIAN_SUPPORTS_MULTIPLE_SCREENS)
-    CWsScreenDevice *dev = S60->screenDevice(1);
-    if (dev) {
-        displayControl = static_cast<MDisplayControl *>(
-                    dev->GetInterface(MDisplayControl::ETypeId));
-        if (displayControl) {
-            displayControl->EnableDisplayChangeEvents(ETrue);
+    if (S60->screenCount() > 1) {
+        CWsScreenDevice *dev = S60->screenDevice(1);
+        if (dev) {
+            displayControl = static_cast<MDisplayControl *>(
+                        dev->GetInterface(MDisplayControl::ETypeId));
+            if (displayControl) {
+                displayControl->EnableDisplayChangeEvents(ETrue);
+            }
         }
     }
 #endif
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index 37d71470fb..adb5fe1396 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -1342,8 +1342,8 @@ void QWidgetPrivate::init(QWidget *parentWidget, Qt::WindowFlags f)
     //give potential windows a bigger "pre-initial" size; create_sys() will give them a new size later
 #ifdef Q_OS_SYMBIAN
     if (isGLWidget) {
-        // Don't waste GPU mem for unnecessary large egl surface
-        data.crect = QRect(0,0,2,2);
+        // Don't waste GPU mem for unnecessary large egl surface until resized by application
+        data.crect = QRect(0,0,1,1);
     } else {
         data.crect = parentWidget ? QRect(0,0,100,30) : QRect(0,0,360,640);
     }
diff --git a/src/gui/painting/qgraphicssystem_runtime.cpp b/src/gui/painting/qgraphicssystem_runtime.cpp
index 5841d40a30..33652eea15 100644
--- a/src/gui/painting/qgraphicssystem_runtime.cpp
+++ b/src/gui/painting/qgraphicssystem_runtime.cpp
@@ -394,7 +394,10 @@ void QRuntimeGraphicsSystem::setGraphicsSystem(const QString &name)
         if(m_windowSurfaceDestroyPolicy == DestroyAfterFirstFlush)
             proxy->m_pendingWindowSurface.reset(proxy->m_windowSurface.take());
 
-        proxy->m_windowSurface.reset(m_graphicsSystem->createWindowSurface(widget));
+        QWindowSurface *newWindowSurface = m_graphicsSystem->createWindowSurface(widget);
+        newWindowSurface->setGeometry(proxy->geometry());
+
+        proxy->m_windowSurface.reset(newWindowSurface);
         qt_widget_private(widget)->invalidateBuffer(widget->rect());
     }
 
diff --git a/src/gui/painting/qpainterpath.cpp b/src/gui/painting/qpainterpath.cpp
index 8bff0212df..49f1a5fc57 100644
--- a/src/gui/painting/qpainterpath.cpp
+++ b/src/gui/painting/qpainterpath.cpp
@@ -1724,7 +1724,7 @@ static void qt_painterpath_isect_line(const QPointF &p1,
 }
 
 static void qt_painterpath_isect_curve(const QBezier &bezier, const QPointF &pt,
-                                       int *winding)
+                                       int *winding, int depth = 0)
 {
     qreal y = pt.y();
     qreal x = pt.x();
@@ -1739,7 +1739,7 @@ static void qt_painterpath_isect_curve(const QBezier &bezier, const QPointF &pt,
         // hit lower limit... This is a rough threshold, but its a
         // tradeoff between speed and precision.
         const qreal lower_bound = qreal(.001);
-        if (bounds.width() < lower_bound && bounds.height() < lower_bound) {
+        if (depth == 32 || (bounds.width() < lower_bound && bounds.height() < lower_bound)) {
             // We make the assumption here that the curve starts to
             // approximate a line after while (i.e. that it doesn't
             // change direction drastically during its slope)
@@ -1752,8 +1752,8 @@ static void qt_painterpath_isect_curve(const QBezier &bezier, const QPointF &pt,
         // split curve and try again...
         QBezier first_half, second_half;
         bezier.split(&first_half, &second_half);
-        qt_painterpath_isect_curve(first_half, pt, winding);
-        qt_painterpath_isect_curve(second_half, pt, winding);
+        qt_painterpath_isect_curve(first_half, pt, winding, depth + 1);
+        qt_painterpath_isect_curve(second_half, pt, winding, depth + 1);
     }
 }
 
diff --git a/src/gui/styles/qs60style.cpp b/src/gui/styles/qs60style.cpp
index c107511170..6a35027b9d 100644
--- a/src/gui/styles/qs60style.cpp
+++ b/src/gui/styles/qs60style.cpp
@@ -118,6 +118,7 @@ const short *QS60StylePrivate::m_pmPointer = QS60StylePrivate::data[0];
 
 // theme background texture
 QPixmap *QS60StylePrivate::m_background = 0;
+QPixmap *QS60StylePrivate::m_placeHolderTexture = 0;
 
 // theme palette
 QPalette *QS60StylePrivate::m_themePalette = 0;
@@ -155,6 +156,10 @@ const double KTabFontMul = 0.72;
 QS60StylePrivate::~QS60StylePrivate()
 {
     clearCaches(); //deletes also background image
+    if (m_placeHolderTexture) {
+        delete m_placeHolderTexture;
+        m_placeHolderTexture = 0;
+    }
     deleteThemePalette();
 #ifdef Q_WS_S60
     removeAnimations();
@@ -505,7 +510,10 @@ void QS60StylePrivate::setBackgroundTexture(QApplication *app) const
 {
     Q_UNUSED(app)
     QPalette applicationPalette = QApplication::palette();
-    applicationPalette.setBrush(QPalette::Window, backgroundTexture());
+    // The initial QPalette::Window is just a placeHolder QPixmap to save RAM
+    // if the actual texture is not needed. The real texture is created just before
+    // painting it in qt_s60_fill_background().
+    applicationPalette.setBrush(QPalette::Window, placeHolderTexture());
     setThemePalette(&applicationPalette);
 }
 
@@ -630,25 +638,6 @@ QPixmap QS60StylePrivate::cachedFrame(SkinFrameElements frame, const QSize &size
     return result;
 }
 
-void QS60StylePrivate::refreshUI()
-{
-    QList<QWidget *> widgets = QApplication::allWidgets();
-
-    for (int i = 0; i < widgets.size(); ++i) {
-        QWidget *widget = widgets.at(i);
-        if (widget == 0)
-            continue;
-
-        if (widget->style()) {
-            widget->style()->polish(widget);
-            QEvent event(QEvent::StyleChange);
-            qApp->sendEvent(widget, &event);
-        }
-        widget->update();
-        widget->updateGeometry();
-    }
-}
-
 void QS60StylePrivate::setFont(QWidget *widget) const
 {
     QS60StyleEnums::FontCategories fontCategory = QS60StyleEnums::FC_Undefined;
@@ -719,8 +708,10 @@ void QS60StylePrivate::setThemePalette(QPalette *palette) const
     palette->setColor(QPalette::LinkVisited, palette->color(QPalette::Link).darker());
     palette->setColor(QPalette::Highlight,
         s60Color(QS60StyleEnums::CL_QsnHighlightColors, 2, 0));
-    // set background image as a texture brush
-    palette->setBrush(QPalette::Window, backgroundTexture());
+    // The initial QPalette::Window is just a placeHolder QPixmap to save RAM
+    // if the actual texture is not needed. The real texture is created just before
+    // painting it in qt_s60_fill_background().
+    palette->setBrush(QPalette::Window, placeHolderTexture());
     // set as transparent so that styled full screen theme background is visible
     palette->setBrush(QPalette::Base, Qt::transparent);
     // set button color based on pixel colors
@@ -3548,10 +3539,12 @@ extern QPoint qt_s60_fill_background_offset(const QWidget *targetWidget);
 
 bool qt_s60_fill_background(QPainter *painter, const QRegion &rgn, const QBrush &brush)
 {
-    const QPixmap backgroundTexture(QS60StylePrivate::backgroundTexture());
-    if (backgroundTexture.cacheKey() != brush.texture().cacheKey())
+    const QPixmap placeHolder(QS60StylePrivate::placeHolderTexture());
+    if (placeHolder.cacheKey() != brush.texture().cacheKey())
         return false;
 
+    const QPixmap backgroundTexture(QS60StylePrivate::backgroundTexture());
+
     const QPaintDevice *target = painter->device();
     if (target->devType() == QInternal::Widget) {
         const QWidget *widget = static_cast<const QWidget *>(target);
diff --git a/src/gui/styles/qs60style_p.h b/src/gui/styles/qs60style_p.h
index 242c451fcf..8c023bf053 100644
--- a/src/gui/styles/qs60style_p.h
+++ b/src/gui/styles/qs60style_p.h
@@ -555,6 +555,7 @@ public:
     static QPixmap frame(SkinFrameElements frame, const QSize &size,
         SkinElementFlags flags = KDefaultSkinElementFlags);
     static QPixmap backgroundTexture();
+    static QPixmap placeHolderTexture();
 
 #ifdef Q_WS_S60
     void handleDynamicLayoutVariantSwitch();
@@ -592,8 +593,6 @@ private:
     static QPixmap cachedFrame(SkinFrameElements frame, const QSize &size,
         SkinElementFlags flags = KDefaultSkinElementFlags);
 
-    static void refreshUI();
-
     // set S60 font for widget
     void setFont(QWidget *widget) const;
     void setThemePalette(QWidget *widget) const;
@@ -616,6 +615,9 @@ private:
 
     // Contains background texture.
     static QPixmap *m_background;
+    // Placeholder pixmap for the real background texture.
+    static QPixmap *m_placeHolderTexture;
+
     const static SkinElementFlags KDefaultSkinElementFlags;
     // defined theme palette
     static QPalette *m_themePalette;
diff --git a/src/gui/styles/qs60style_s60.cpp b/src/gui/styles/qs60style_s60.cpp
index 600c631fa3..1ff195d454 100644
--- a/src/gui/styles/qs60style_s60.cpp
+++ b/src/gui/styles/qs60style_s60.cpp
@@ -66,7 +66,6 @@
 #include <aknnavi.h>
 #include <gulicon.h>
 #include <AknBitmapAnimation.h>
-
 #include <centralrepository.h>
 
 #if !defined(QT_NO_STYLE_S60) || defined(QT_PLUGIN)
@@ -1408,12 +1407,23 @@ QPixmap QS60StylePrivate::backgroundTexture()
 
     if (createNewBackground) {
         QPixmap background = part(QS60StyleEnums::SP_QsnBgScreen,
-                QSize(applicationRect.Width(), applicationRect.Height()), 0, SkinElementFlags());
+            QSize(applicationRect.Width(), applicationRect.Height()), 0, SkinElementFlags());
         m_background = new QPixmap(background);
     }
     return *m_background;
 }
 
+// Generates 1*1 red pixmap as a placeholder for real texture.
+// The actual theme texture is drawn in qt_s60_fill_background().
+QPixmap QS60StylePrivate::placeHolderTexture()
+{
+    if (!m_placeHolderTexture) {
+        m_placeHolderTexture = new QPixmap(1,1);
+        m_placeHolderTexture->fill(Qt::red);
+    }
+    return *m_placeHolderTexture;
+}
+
 QSize QS60StylePrivate::screenSize()
 {
     return QSize(S60->screenWidthInPixels, S60->screenHeightInPixels);
@@ -1428,8 +1438,8 @@ QS60Style::QS60Style()
 void QS60StylePrivate::handleDynamicLayoutVariantSwitch()
 {
     clearCaches(QS60StylePrivate::CC_LayoutChange);
+    setBackgroundTexture(qApp);
     setActiveLayout();
-    refreshUI();
     foreach (QWidget *widget, QApplication::allWidgets())
         widget->ensurePolished();
 }
diff --git a/src/gui/text/qtextlayout.cpp b/src/gui/text/qtextlayout.cpp
index 354e8a9c3e..8eff7d218c 100644
--- a/src/gui/text/qtextlayout.cpp
+++ b/src/gui/text/qtextlayout.cpp
@@ -1754,6 +1754,7 @@ namespace {
         int glyphCount;
         int maxGlyphs;
         int currentPosition;
+        glyph_t previousGlyph;
 
         QFixed minw;
         QFixed softHyphenWidth;
@@ -1781,6 +1782,15 @@ namespace {
             return glyphs.glyphs[logClusters[currentPosition - 1]];
         }
 
+        inline void saveCurrentGlyph()
+        {
+            previousGlyph = 0;
+            if (currentPosition > 0 &&
+                logClusters[currentPosition - 1] < glyphs.numGlyphs) {
+                previousGlyph = currentGlyph(); // needed to calculate right bearing later
+            }
+        }
+
         inline void adjustRightBearing(glyph_t glyph)
         {
             qreal rb;
@@ -1795,6 +1805,12 @@ namespace {
             adjustRightBearing(currentGlyph());
         }
 
+        inline void adjustPreviousRightBearing()
+        {
+            if (previousGlyph > 0)
+                adjustRightBearing(previousGlyph);
+        }
+
         inline void resetRightBearing()
         {
             rightBearing = QFixed(1); // Any positive number is defined as invalid since only
@@ -1871,22 +1887,7 @@ void QTextLine::layout_helper(int maxGlyphs)
     lbh.manualWrap = (wrapMode == QTextOption::ManualWrap || wrapMode == QTextOption::NoWrap);
 
     int item = -1;
-    int newItem = -1;
-    int left = 0;
-    int right = eng->layoutData->items.size()-1;
-    while(left <= right) {
-        int middle = ((right-left)/2)+left;
-        if (line.from > eng->layoutData->items[middle].position)
-            left = middle+1;
-        else if(line.from < eng->layoutData->items[middle].position)
-            right = middle-1;
-        else {
-            newItem = middle;
-            break;
-        }
-    }
-    if (newItem == -1)
-        newItem = right;
+    int newItem = eng->findItem(line.from);
 
     LB_DEBUG("from: %d: item=%d, total %d, width available %f", line.from, newItem, eng->layoutData->items.size(), line.width.toReal());
 
@@ -1898,6 +1899,7 @@ void QTextLine::layout_helper(int maxGlyphs)
     lbh.currentPosition = line.from;
     int end = 0;
     lbh.logClusters = eng->layoutData->logClustersPtr;
+    lbh.previousGlyph = 0;
 
     while (newItem < eng->layoutData->items.size()) {
         lbh.resetRightBearing();
@@ -1958,6 +1960,7 @@ void QTextLine::layout_helper(int maxGlyphs)
                                current, lbh.logClusters, lbh.glyphs);
             } else {
                 lbh.tmpData.length++;
+                lbh.adjustPreviousRightBearing();
             }
             line += lbh.tmpData;
             goto found;
@@ -1988,9 +1991,7 @@ void QTextLine::layout_helper(int maxGlyphs)
         } else {
             lbh.whiteSpaceOrObject = false;
             bool sb_or_ws = false;
-            glyph_t previousGlyph = 0;
-            if (lbh.currentPosition > 0 && lbh.logClusters[lbh.currentPosition - 1] <lbh.glyphs.numGlyphs)
-                previousGlyph = lbh.currentGlyph(); // needed to calculate right bearing later
+            lbh.saveCurrentGlyph();
             do {
                 addNextCluster(lbh.currentPosition, end, lbh.tmpData, lbh.glyphCount,
                                current, lbh.logClusters, lbh.glyphs);
@@ -2015,7 +2016,7 @@ void QTextLine::layout_helper(int maxGlyphs)
                 //  b) if we are so short of available width that the
                 //     soft hyphen is the first breakable position, then
                 //     we don't want to show it. However we initially
-                //     have to take the width for it into accoun so that
+                //     have to take the width for it into account so that
                 //     the text document layout sees the overflow and
                 //     switch to break-anywhere mode, in which we
                 //     want the soft-hyphen to slip into the next line
@@ -2043,8 +2044,9 @@ void QTextLine::layout_helper(int maxGlyphs)
                     // we are too wide, fix right bearing
                     if (rightBearing <= 0)
                         lbh.rightBearing = rightBearing; // take from cache
-                    else if (previousGlyph > 0)
-                        lbh.adjustRightBearing(previousGlyph);
+                    else
+                        lbh.adjustPreviousRightBearing();
+
                     if (!breakany) {
                         line.textWidth += lbh.softHyphenWidth;
                     }
@@ -2052,6 +2054,7 @@ void QTextLine::layout_helper(int maxGlyphs)
                     goto found;
                 }
             }
+            lbh.saveCurrentGlyph();
         }
         if (lbh.currentPosition == end)
             newItem = item + 1;
diff --git a/src/network/access/qhttpnetworkconnectionchannel.cpp b/src/network/access/qhttpnetworkconnectionchannel.cpp
index 23dd51836e..6a05fd385f 100644
--- a/src/network/access/qhttpnetworkconnectionchannel.cpp
+++ b/src/network/access/qhttpnetworkconnectionchannel.cpp
@@ -1020,8 +1020,20 @@ void QHttpNetworkConnectionChannel::_q_error(QAbstractSocket::SocketError socket
             } else {
                 errorCode = QNetworkReply::RemoteHostClosedError;
             }
+        } else if (state == QHttpNetworkConnectionChannel::ReadingState) {
+            if (!reply->d_func()->expectContent()) {
+                // No content expected, this is a valid way to have the connection closed by the server
+                return;
+            }
+            if (reply->contentLength() == -1 && !reply->d_func()->isChunked()) {
+                // There was no content-length header and it's not chunked encoding,
+                // so this is a valid way to have the connection closed by the server
+                return;
+            }
+            // ok, we got a disconnect even though we did not expect it
+            errorCode = QNetworkReply::RemoteHostClosedError;
         } else {
-            return;
+            errorCode = QNetworkReply::RemoteHostClosedError;
         }
         break;
     case QAbstractSocket::SocketTimeoutError:
@@ -1052,6 +1064,7 @@ void QHttpNetworkConnectionChannel::_q_error(QAbstractSocket::SocketError socket
     if (reply) {
         reply->d_func()->errorString = errorString;
         emit reply->finishedWithError(errorCode, errorString);
+        reply = 0;
     }
     // send the next request
     QMetaObject::invokeMethod(that, "_q_startNextRequest", Qt::QueuedConnection);
diff --git a/src/network/ssl/qsslsocket_openssl.cpp b/src/network/ssl/qsslsocket_openssl.cpp
index 3d7612a057..c1b17125cd 100644
--- a/src/network/ssl/qsslsocket_openssl.cpp
+++ b/src/network/ssl/qsslsocket_openssl.cpp
@@ -325,9 +325,18 @@ init_context:
             q_X509_STORE_add_cert(ctx->cert_store, (X509 *)caCertificate.handle());
         }
     }
+
+    bool addExpiredCerts = true;
+#if defined(Q_OS_MAC) && (MAC_OS_X_VERSION_MAX_ALLOWED == MAC_OS_X_VERSION_10_5)
+    //On Leopard SSL does not work if we add the expired certificates.
+    if (QSysInfo::MacintoshVersion == QSysInfo::MV_10_5)
+       addExpiredCerts = false;
+#endif
     // now add the expired certs
-    foreach (const QSslCertificate &caCertificate, expiredCerts) {
-        q_X509_STORE_add_cert(ctx->cert_store, (X509 *)caCertificate.handle());
+    if (addExpiredCerts) {
+        foreach (const QSslCertificate &caCertificate, expiredCerts) {
+            q_X509_STORE_add_cert(ctx->cert_store, (X509 *)caCertificate.handle());
+        }
     }
 
     if (s_loadRootCertsOnDemand && allowRootCertOnDemandLoading) {
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
index fa38b5d0d0..a134078d1b 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
@@ -1349,11 +1349,14 @@ void QGL2PaintEngineEx::drawPixmap(const QRectF& dest, const QPixmap & pixmap, c
     ensureActive();
     d->transferMode(ImageDrawingMode);
 
+    QGLContext::BindOptions bindOptions = QGLContext::InternalBindOption|QGLContext::CanFlipNativePixmapBindOption;
+#ifdef QGL_USE_TEXTURE_POOL
+    bindOptions |= QGLContext::TemporarilyCachedBindOption;
+#endif
+
     glActiveTexture(GL_TEXTURE0 + QT_IMAGE_TEXTURE_UNIT);
     QGLTexture *texture =
-        ctx->d_func()->bindTexture(pixmap, GL_TEXTURE_2D, GL_RGBA,
-                                   QGLContext::InternalBindOption
-                                   | QGLContext::CanFlipNativePixmapBindOption);
+        ctx->d_func()->bindTexture(pixmap, GL_TEXTURE_2D, GL_RGBA, bindOptions);
 
     GLfloat top = texture->options & QGLContext::InvertedYBindOption ? (pixmap.height() - src.top()) : src.top();
     GLfloat bottom = texture->options & QGLContext::InvertedYBindOption ? (pixmap.height() - src.bottom()) : src.bottom();
@@ -1365,6 +1368,12 @@ void QGL2PaintEngineEx::drawPixmap(const QRectF& dest, const QPixmap & pixmap, c
     d->updateTextureFilter(GL_TEXTURE_2D, GL_CLAMP_TO_EDGE,
                            state()->renderHints & QPainter::SmoothPixmapTransform, texture->id);
     d->drawTexture(dest, srcRect, pixmap.size(), isOpaque, isBitmap);
+
+    if (texture->options&QGLContext::TemporarilyCachedBindOption) {
+        // pixmap was temporarily cached as a QImage texture by pooling system
+        // and should be destroyed immediately
+        QGLTextureCache::instance()->remove(ctx, texture->id);
+    }
 }
 
 void QGL2PaintEngineEx::drawImage(const QRectF& dest, const QImage& image, const QRectF& src,
@@ -1389,12 +1398,23 @@ void QGL2PaintEngineEx::drawImage(const QRectF& dest, const QImage& image, const
 
     glActiveTexture(GL_TEXTURE0 + QT_IMAGE_TEXTURE_UNIT);
 
-    QGLTexture *texture = ctx->d_func()->bindTexture(image, GL_TEXTURE_2D, GL_RGBA, QGLContext::InternalBindOption);
+    QGLContext::BindOptions bindOptions = QGLContext::InternalBindOption;
+#ifdef QGL_USE_TEXTURE_POOL
+    bindOptions |= QGLContext::TemporarilyCachedBindOption;
+#endif
+
+    QGLTexture *texture = ctx->d_func()->bindTexture(image, GL_TEXTURE_2D, GL_RGBA, bindOptions);
     GLuint id = texture->id;
 
     d->updateTextureFilter(GL_TEXTURE_2D, GL_CLAMP_TO_EDGE,
                            state()->renderHints & QPainter::SmoothPixmapTransform, id);
     d->drawTexture(dest, src, image.size(), !image.hasAlphaChannel());
+
+    if (texture->options&QGLContext::TemporarilyCachedBindOption) {
+        // image was temporarily cached by texture pooling system
+        // and should be destroyed immediately
+        QGLTextureCache::instance()->remove(ctx, texture->id);
+    }
 }
 
 void QGL2PaintEngineEx::drawStaticTextItem(QStaticTextItem *textItem)
diff --git a/src/opengl/opengl.pro b/src/opengl/opengl.pro
index 08ae774dac..b512146b01 100644
--- a/src/opengl/opengl.pro
+++ b/src/opengl/opengl.pro
@@ -157,11 +157,16 @@ embedded {
 }
 
 symbian {
+    DEFINES += QGL_USE_TEXTURE_POOL
+    SOURCES -= qpixmapdata_gl.cpp
     SOURCES += qgl_symbian.cpp \
+               qpixmapdata_poolgl.cpp \
                qglpixelbuffer_egl.cpp \
-               qgl_egl.cpp
+               qgl_egl.cpp \
+               qgltexturepool.cpp
 
-    HEADERS += qgl_egl_p.h
+    HEADERS += qgl_egl_p.h \
+               qgltexturepool_p.h
 
     contains(QT_CONFIG, freetype) {
         DEFINES += QT_NO_FONTCONFIG
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index 76621e93ff..a769f2c972 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -100,6 +100,9 @@
 #ifdef QT_OPENGL_ES
 #include <EGL/egl.h>
 #endif
+#ifdef QGL_USE_TEXTURE_POOL
+#include <private/qgltexturepool_p.h>
+#endif
 
 // #define QT_GL_CONTEXT_RESOURCE_DEBUG
 
@@ -2033,6 +2036,10 @@ struct DDSFormat {
     the pixmap/image that it stems from, e.g. installing destruction
     hooks in them.
 
+    \omitvalue TemporarilyCachedBindOption Used by paint engines on some
+    platforms to indicate that the pixmap or image texture is possibly
+    cached only temporarily and must be destroyed immediately after the use.
+
     \omitvalue InternalBindOption
 */
 
@@ -2537,8 +2544,18 @@ QGLTexture* QGLContextPrivate::bindTexture(const QImage &image, GLenum target, G
 #endif
 
     const QImage &constRef = img; // to avoid detach in bits()...
+#ifdef QGL_USE_TEXTURE_POOL
+    QGLTexturePool::instance()->createPermanentTexture(tx_id,
+                                                        target,
+                                                        0, internalFormat,
+                                                        img.width(), img.height(),
+                                                        externalFormat,
+                                                        pixel_type,
+                                                        constRef.bits());
+#else
     glTexImage2D(target, 0, internalFormat, img.width(), img.height(), 0, externalFormat,
                  pixel_type, constRef.bits());
+#endif
 #if defined(QT_OPENGL_ES_2)
     if (genMipmap)
         glGenerateMipmap(target);
@@ -2577,7 +2594,6 @@ QGLTexture *QGLContextPrivate::textureCacheLookup(const qint64 key, GLenum targe
     return 0;
 }
 
-
 /*! \internal */
 QGLTexture *QGLContextPrivate::bindTexture(const QPixmap &pixmap, GLenum target, GLint format, QGLContext::BindOptions options)
 {
diff --git a/src/opengl/qgl.h b/src/opengl/qgl.h
index 9a51a7778b..ff73d881cc 100644
--- a/src/opengl/qgl.h
+++ b/src/opengl/qgl.h
@@ -333,6 +333,7 @@ public:
 
         MemoryManagedBindOption                 = 0x0010, // internal flag
         CanFlipNativePixmapBindOption           = 0x0020, // internal flag
+        TemporarilyCachedBindOption             = 0x0040, // internal flag
 
         DefaultBindOption                       = LinearFilteringBindOption
                                                   | InvertedYBindOption
diff --git a/src/opengl/qgl_symbian.cpp b/src/opengl/qgl_symbian.cpp
index a9e22488b0..2978514f68 100644
--- a/src/opengl/qgl_symbian.cpp
+++ b/src/opengl/qgl_symbian.cpp
@@ -52,6 +52,7 @@
 #include <private/qwidget_p.h> // to access QWExtra
 #include "qgl_egl_p.h"
 #include "qpixmapdata_gl_p.h"
+#include "qgltexturepool_p.h"
 #include "qcolormap.h"
 #include <QDebug>
 
diff --git a/src/opengl/qgltexturepool.cpp b/src/opengl/qgltexturepool.cpp
new file mode 100644
index 0000000000..61a88c3a4e
--- /dev/null
+++ b/src/opengl/qgltexturepool.cpp
@@ -0,0 +1,241 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtOpenVG module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qgltexturepool_p.h"
+#include "qpixmapdata_gl_p.h"
+
+QT_BEGIN_NAMESPACE
+
+Q_OPENGL_EXPORT extern QGLWidget* qt_gl_share_widget();
+
+static QGLTexturePool *qt_gl_texture_pool = 0;
+
+class QGLTexturePoolPrivate
+{
+public:
+    QGLTexturePoolPrivate() : lruFirst(0), lruLast(0) {}
+
+    QGLPixmapData *lruFirst;
+    QGLPixmapData *lruLast;
+};
+
+QGLTexturePool::QGLTexturePool()
+    : d_ptr(new QGLTexturePoolPrivate())
+{
+}
+
+QGLTexturePool::~QGLTexturePool()
+{
+}
+
+QGLTexturePool *QGLTexturePool::instance()
+{
+    if (!qt_gl_texture_pool)
+        qt_gl_texture_pool = new QGLTexturePool();
+    return qt_gl_texture_pool;
+}
+
+GLuint QGLTexturePool::createTextureForPixmap(GLenum target,
+                                            GLint level,
+                                            GLint internalformat,
+                                            GLsizei width,
+                                            GLsizei height,
+                                            GLenum format,
+                                            GLenum type,
+                                            QGLPixmapData *data)
+{
+    GLuint texture;
+    glGenTextures(1, &texture);
+    glBindTexture(target, texture);
+    do {
+        glTexImage2D(target, level, internalformat, width, height, 0, format, type, 0);
+        GLenum error = glGetError();
+        if (error == GL_NO_ERROR) {
+            if (data)
+                moveToHeadOfLRU(data);
+            return texture;
+        } else if (error != GL_OUT_OF_MEMORY) {
+            qWarning("QGLTexturePool: cannot create temporary texture because of invalid params");
+            return 0;
+        }
+    } while (reclaimSpace(internalformat, width, height, format, type, data));
+    qWarning("QGLTexturePool: cannot reclaim sufficient space for a %dx%d pixmap",
+             width, height);
+    return 0;
+}
+
+bool QGLTexturePool::createPermanentTexture(GLuint texture,
+                                            GLenum target,
+                                            GLint level,
+                                            GLint internalformat,
+                                            GLsizei width,
+                                            GLsizei height,
+                                            GLenum format,
+                                            GLenum type,
+                                            const GLvoid *data)
+{
+    glBindTexture(target, texture);
+    do {
+        glTexImage2D(target, level, internalformat, width, height, 0, format, type, data);
+
+        GLenum error = glGetError();
+        if (error == GL_NO_ERROR) {
+            return true;
+        } else if (error != GL_OUT_OF_MEMORY) {
+            qWarning("QGLTexturePool: cannot create permanent texture because of invalid params");
+            return false;
+        }
+    } while (reclaimSpace(internalformat, width, height, format, type, 0));
+    qWarning("QGLTexturePool: cannot reclaim sufficient space for a %dx%d pixmap",
+             width, height);
+    return 0;
+}
+
+void QGLTexturePool::releaseTexture(QGLPixmapData *data, GLuint texture)
+{
+    // Very simple strategy at the moment: just destroy the texture.
+    if (data)
+        removeFromLRU(data);
+
+    QGLShareContextScope ctx(qt_gl_share_widget()->context());
+    glDeleteTextures(1, &texture);
+}
+
+void QGLTexturePool::useTexture(QGLPixmapData *data)
+{
+    moveToHeadOfLRU(data);
+}
+
+void QGLTexturePool::detachTexture(QGLPixmapData *data)
+{
+    removeFromLRU(data);
+}
+
+bool QGLTexturePool::reclaimSpace(GLint internalformat,
+                                    GLsizei width,
+                                    GLsizei height,
+                                    GLenum format,
+                                    GLenum type,
+                                    QGLPixmapData *data)
+{
+    Q_UNUSED(internalformat);   // For future use in picking the best texture to eject.
+    Q_UNUSED(width);
+    Q_UNUSED(height);
+    Q_UNUSED(format);
+    Q_UNUSED(type);
+
+    bool succeeded = false;
+    bool wasInLRU = false;
+    if (data) {
+        wasInLRU = data->inLRU;
+        moveToHeadOfLRU(data);
+    }
+
+    QGLPixmapData *lrudata = pixmapLRU();
+    if (lrudata && lrudata != data) {
+        lrudata->reclaimTexture();
+        succeeded = true;
+    }
+
+    if (data && !wasInLRU)
+        removeFromLRU(data);
+
+    return succeeded;
+}
+
+void QGLTexturePool::hibernate()
+{
+    Q_D(QGLTexturePool);
+    QGLPixmapData *pd = d->lruLast;
+    while (pd) {
+        QGLPixmapData *prevLRU = pd->prevLRU;
+        pd->inTexturePool = false;
+        pd->inLRU = false;
+        pd->nextLRU = 0;
+        pd->prevLRU = 0;
+        pd->hibernate();
+        pd = prevLRU;
+    }
+    d->lruFirst = 0;
+    d->lruLast = 0;
+}
+
+void QGLTexturePool::moveToHeadOfLRU(QGLPixmapData *data)
+{
+    Q_D(QGLTexturePool);
+    if (data->inLRU) {
+        if (!data->prevLRU)
+            return;     // Already at the head of the list.
+        removeFromLRU(data);
+    }
+    data->inLRU = true;
+    data->nextLRU = d->lruFirst;
+    data->prevLRU = 0;
+    if (d->lruFirst)
+        d->lruFirst->prevLRU = data;
+    else
+        d->lruLast = data;
+    d->lruFirst = data;
+}
+
+void QGLTexturePool::removeFromLRU(QGLPixmapData *data)
+{
+    Q_D(QGLTexturePool);
+    if (!data->inLRU)
+        return;
+    if (data->nextLRU)
+        data->nextLRU->prevLRU = data->prevLRU;
+    else
+        d->lruLast = data->prevLRU;
+    if (data->prevLRU)
+        data->prevLRU->nextLRU = data->nextLRU;
+    else
+        d->lruFirst = data->nextLRU;
+    data->inLRU = false;
+}
+
+QGLPixmapData *QGLTexturePool::pixmapLRU()
+{
+    Q_D(QGLTexturePool);
+    return d->lruLast;
+}
+
+QT_END_NAMESPACE
diff --git a/src/opengl/qgltexturepool_p.h b/src/opengl/qgltexturepool_p.h
new file mode 100644
index 0000000000..8b6f726316
--- /dev/null
+++ b/src/opengl/qgltexturepool_p.h
@@ -0,0 +1,147 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtOpenVG module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QGLTEXTUREPOOL_P_H
+#define QGLTEXTUREPOOL_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of other Qt classes.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qgl.h"
+#include <QtCore/qscopedpointer.h>
+
+QT_BEGIN_NAMESPACE
+
+class QGLPixmapData;
+class QGLTexturePoolPrivate;
+
+class QGLTexturePool
+{
+public:
+    QGLTexturePool();
+    virtual ~QGLTexturePool();
+
+    static QGLTexturePool *instance();
+
+    // Create a new texture with the specified parameters and associate
+    // it with "data".  The QGLPixmapData will be notified when the
+    // texture needs to be reclaimed by the pool.
+    //
+    // This function will call reclaimSpace() when texture creation fails.
+    GLuint createTextureForPixmap(GLenum target,
+                                            GLint level,
+                                            GLint internalformat,
+                                            GLsizei width,
+                                            GLsizei height,
+                                            GLenum format,
+                                            GLenum type,
+                                            QGLPixmapData *data);
+
+    // Create a permanent texture with the specified parameters.
+    // If there is insufficient space for the texture,
+    // then this function will call reclaimSpace() and try again.
+    //
+    // The caller is responsible for calling glDeleteTextures()
+    // when it no longer needs the texture, as the texture is not
+    // recorded in the texture pool.
+    bool createPermanentTexture(GLuint texture,
+                                            GLenum target,
+                                            GLint level,
+                                            GLint internalformat,
+                                            GLsizei width,
+                                            GLsizei height,
+                                            GLenum format,
+                                            GLenum type,
+                                            const GLvoid *data);
+
+    // Release a texture that is no longer required.
+    void releaseTexture(QGLPixmapData *data, GLuint texture);
+
+    // Notify the pool that a QGLPixmapData object is using
+    // an texture again.  This allows the pool to move the texture
+    // within a least-recently-used list of QGLPixmapData objects.
+    void useTexture(QGLPixmapData *data);
+
+    // Notify the pool that the texture associated with a
+    // QGLPixmapData is being detached from the pool.  The caller
+    // will become responsible for calling glDeleteTextures().
+    void detachTexture(QGLPixmapData *data);
+
+    // Reclaim space for an image allocation with the specified parameters.
+    // Returns true if space was reclaimed, or false if there is no
+    // further space that can be reclaimed.  The "data" parameter
+    // indicates the pixmap that is trying to obtain space which should
+    // not itself be reclaimed.
+    bool reclaimSpace(GLint internalformat,
+                                GLsizei width,
+                                GLsizei height,
+                                GLenum format,
+                                GLenum type,
+                                QGLPixmapData *data);
+
+    // Hibernate the image pool because the context is about to be
+    // destroyed.  All textures left in the pool should be released.
+    void hibernate();
+
+protected:
+    // Helper functions for managing the LRU list of QGLPixmapData objects.
+    void moveToHeadOfLRU(QGLPixmapData *data);
+    void removeFromLRU(QGLPixmapData *data);
+    QGLPixmapData *pixmapLRU();
+
+private:
+    QScopedPointer<QGLTexturePoolPrivate> d_ptr;
+
+    Q_DECLARE_PRIVATE(QGLTexturePool)
+    Q_DISABLE_COPY(QGLTexturePool)
+};
+
+QT_END_NAMESPACE
+
+#endif
diff --git a/src/opengl/qgraphicssystem_gl.cpp b/src/opengl/qgraphicssystem_gl.cpp
index 35747562f5..0aa3c2e6c7 100644
--- a/src/opengl/qgraphicssystem_gl.cpp
+++ b/src/opengl/qgraphicssystem_gl.cpp
@@ -57,6 +57,10 @@
 #include <QtGui/private/qapplication_p.h>
 #endif
 
+#ifdef QGL_USE_TEXTURE_POOL
+#include "private/qgltexturepool_p.h"
+#endif
+
 QT_BEGIN_NAMESPACE
 
 extern QGLWidget *qt_gl_getShareWidget();
@@ -100,6 +104,11 @@ QWindowSurface *QGLGraphicsSystem::createWindowSurface(QWidget *widget) const
 
     return new QGLWindowSurface(widget);
 }
-
+#ifdef QGL_USE_TEXTURE_POOL
+void QGLGraphicsSystem::releaseCachedResources()
+{
+    QGLTexturePool::instance()->hibernate();
+}
+#endif
 QT_END_NAMESPACE
 
diff --git a/src/opengl/qgraphicssystem_gl_p.h b/src/opengl/qgraphicssystem_gl_p.h
index 4630da1c09..5829dccea9 100644
--- a/src/opengl/qgraphicssystem_gl_p.h
+++ b/src/opengl/qgraphicssystem_gl_p.h
@@ -66,6 +66,10 @@ public:
 
     QPixmapData *createPixmapData(QPixmapData::PixelType type) const;
     QWindowSurface *createWindowSurface(QWidget *widget) const;
+
+#ifdef QGL_USE_TEXTURE_POOL
+    void releaseCachedResources();
+#endif
 private:
     bool m_useX11GL;
 };
diff --git a/src/opengl/qpixmapdata_gl_p.h b/src/opengl/qpixmapdata_gl_p.h
index a4066fd6ad..55cc29d12f 100644
--- a/src/opengl/qpixmapdata_gl_p.h
+++ b/src/opengl/qpixmapdata_gl_p.h
@@ -66,6 +66,12 @@ class QGLFramebufferObject;
 class QGLFramebufferObjectFormat;
 class QGLPixmapData;
 
+#ifdef QGL_USE_TEXTURE_POOL
+void qt_gl_register_pixmap(QGLPixmapData *pd);
+void qt_gl_unregister_pixmap(QGLPixmapData *pd);
+void qt_gl_hibernate_pixmaps();
+#endif
+
 class QGLFramebufferObjectPool
 {
 public:
@@ -129,7 +135,24 @@ public:
     GLuint bind(bool copyBack = true) const;
     QGLTexture *texture() const;
 
-#if defined(Q_OS_SYMBIAN)
+#ifdef QGL_USE_TEXTURE_POOL
+    void destroyTexture();
+    // Detach this image from the image pool.
+    void detachTextureFromPool();
+    // Release the GL resources associated with this pixmap and copy
+    // the pixmap's contents out of the GPU back into main memory.
+    // The GL resource will be automatically recreated the next time
+    // ensureCreated() is called.  Does nothing if the pixmap cannot be
+    // hibernated for some reason (e.g. texture is shared with another
+    // process via a SgImage).
+    void hibernate();
+    // Called when the QGLTexturePool wants to reclaim this pixmap's
+    // texture objects to reuse storage.
+    void reclaimTexture();
+    void forceToImage();
+#endif
+
+#ifdef Q_OS_SYMBIAN
     void* toNativeType(NativeType type);
     void fromNativeType(void* pixmap, NativeType type);
 #endif
@@ -176,6 +199,23 @@ private:
 
     mutable QGLPixmapGLPaintDevice m_glDevice;
 
+#ifdef QGL_USE_TEXTURE_POOL
+    QGLPixmapData *nextLRU;
+    QGLPixmapData *prevLRU;
+    mutable bool inLRU;
+    mutable bool failedToAlloc;
+    mutable bool inTexturePool;
+
+    QGLPixmapData *next;
+    QGLPixmapData *prev;
+
+    friend class QGLTexturePool;
+
+    friend void qt_gl_register_pixmap(QGLPixmapData *pd);
+    friend void qt_gl_unregister_pixmap(QGLPixmapData *pd);
+    friend void qt_gl_hibernate_pixmaps();
+#endif
+
     friend class QGLPixmapGLPaintDevice;
     friend class QMeeGoPixmapData;
     friend class QMeeGoLivePixmapData;
diff --git a/src/opengl/qpixmapdata_poolgl.cpp b/src/opengl/qpixmapdata_poolgl.cpp
new file mode 100644
index 0000000000..f1220b1c3e
--- /dev/null
+++ b/src/opengl/qpixmapdata_poolgl.cpp
@@ -0,0 +1,902 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtOpenGL module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qpixmap.h"
+#include "qglframebufferobject.h"
+
+#include <private/qpaintengine_raster_p.h>
+
+#include "qpixmapdata_gl_p.h"
+
+#include <private/qgl_p.h>
+#include <private/qdrawhelper_p.h>
+#include <private/qimage_p.h>
+
+#include <private/qpaintengineex_opengl2_p.h>
+
+#include <qdesktopwidget.h>
+#include <qfile.h>
+#include <qimagereader.h>
+#include <qbuffer.h>
+
+#include "qgltexturepool_p.h"
+
+QT_BEGIN_NAMESPACE
+
+Q_OPENGL_EXPORT extern QGLWidget* qt_gl_share_widget();
+
+/*!
+    \class QGLFramebufferObjectPool
+    \since 4.6
+
+    \brief The QGLFramebufferObject class provides a pool of framebuffer
+    objects for offscreen rendering purposes.
+
+    When requesting an FBO of a given size and format, an FBO of the same
+    format and a size at least as big as the requested size will be returned.
+
+    \internal
+*/
+
+static inline int areaDiff(const QSize &size, const QGLFramebufferObject *fbo)
+{
+    return qAbs(size.width() * size.height() - fbo->width() * fbo->height());
+}
+
+extern int qt_next_power_of_two(int v);
+
+static inline QSize maybeRoundToNextPowerOfTwo(const QSize &sz)
+{
+#ifdef QT_OPENGL_ES_2
+    QSize rounded(qt_next_power_of_two(sz.width()), qt_next_power_of_two(sz.height()));
+    if (rounded.width() * rounded.height() < 1.20 * sz.width() * sz.height())
+        return rounded;
+#endif
+    return sz;
+}
+
+
+QGLFramebufferObject *QGLFramebufferObjectPool::acquire(const QSize &requestSize, const QGLFramebufferObjectFormat &requestFormat, bool strictSize)
+{
+    QGLFramebufferObject *chosen = 0;
+    QGLFramebufferObject *candidate = 0;
+    for (int i = 0; !chosen && i < m_fbos.size(); ++i) {
+        QGLFramebufferObject *fbo = m_fbos.at(i);
+
+        if (strictSize) {
+            if (fbo->size() == requestSize && fbo->format() == requestFormat) {
+                chosen = fbo;
+                break;
+            } else {
+                continue;
+            }
+        }
+
+        if (fbo->format() == requestFormat) {
+            // choose the fbo with a matching format and the closest size
+            if (!candidate || areaDiff(requestSize, candidate) > areaDiff(requestSize, fbo))
+                candidate = fbo;
+        }
+
+        if (candidate) {
+            m_fbos.removeOne(candidate);
+
+            const QSize fboSize = candidate->size();
+            QSize sz = fboSize;
+
+            if (sz.width() < requestSize.width())
+                sz.setWidth(qMax(requestSize.width(), qRound(sz.width() * 1.5)));
+            if (sz.height() < requestSize.height())
+                sz.setHeight(qMax(requestSize.height(), qRound(sz.height() * 1.5)));
+
+            // wasting too much space?
+            if (sz.width() * sz.height() > requestSize.width() * requestSize.height() * 4)
+                sz = requestSize;
+
+            if (sz != fboSize) {
+                delete candidate;
+                candidate = new QGLFramebufferObject(maybeRoundToNextPowerOfTwo(sz), requestFormat);
+            }
+
+            chosen = candidate;
+        }
+    }
+
+    if (!chosen) {
+        if (strictSize)
+            chosen = new QGLFramebufferObject(requestSize, requestFormat);
+        else
+            chosen = new QGLFramebufferObject(maybeRoundToNextPowerOfTwo(requestSize), requestFormat);
+    }
+
+    if (!chosen->isValid()) {
+        delete chosen;
+        chosen = 0;
+    }
+
+    return chosen;
+}
+
+void QGLFramebufferObjectPool::release(QGLFramebufferObject *fbo)
+{
+    if (fbo)
+        m_fbos << fbo;
+}
+
+
+QPaintEngine* QGLPixmapGLPaintDevice::paintEngine() const
+{
+    return data->paintEngine();
+}
+
+void QGLPixmapGLPaintDevice::beginPaint()
+{
+    if (!data->isValid())
+        return;
+
+    // QGLPaintDevice::beginPaint will store the current binding and replace
+    // it with m_thisFBO:
+    m_thisFBO = data->m_renderFbo->handle();
+    QGLPaintDevice::beginPaint();
+
+    Q_ASSERT(data->paintEngine()->type() == QPaintEngine::OpenGL2);
+
+    // QPixmap::fill() is deferred until now, where we actually need to do the fill:
+    if (data->needsFill()) {
+        const QColor &c = data->fillColor();
+        float alpha = c.alphaF();
+        glDisable(GL_SCISSOR_TEST);
+        glClearColor(c.redF() * alpha, c.greenF() * alpha, c.blueF() * alpha, alpha);
+        glClear(GL_COLOR_BUFFER_BIT);
+    }
+    else if (!data->isUninitialized()) {
+        // If the pixmap (GL Texture) has valid content (it has been
+        // uploaded from an image or rendered into before), we need to
+        // copy it from the texture to the render FBO.
+
+        glDisable(GL_DEPTH_TEST);
+        glDisable(GL_SCISSOR_TEST);
+        glDisable(GL_BLEND);
+
+#if !defined(QT_OPENGL_ES_2)
+        glMatrixMode(GL_MODELVIEW);
+        glLoadIdentity();
+
+        glMatrixMode(GL_PROJECTION);
+        glLoadIdentity();
+        glOrtho(0, data->width(), data->height(), 0, -999999, 999999);
+#endif
+
+        glViewport(0, 0, data->width(), data->height());
+
+        // Pass false to bind so it doesn't copy the FBO into the texture!
+        context()->drawTexture(QRect(0, 0, data->width(), data->height()), data->bind(false));
+    }
+}
+
+void QGLPixmapGLPaintDevice::endPaint()
+{
+    if (!data->isValid())
+        return;
+
+    data->copyBackFromRenderFbo(false);
+
+    // Base's endPaint will restore the previous FBO binding
+    QGLPaintDevice::endPaint();
+
+    qgl_fbo_pool()->release(data->m_renderFbo);
+    data->m_renderFbo = 0;
+}
+
+QGLContext* QGLPixmapGLPaintDevice::context() const
+{
+    data->ensureCreated();
+    return data->m_ctx;
+}
+
+QSize QGLPixmapGLPaintDevice::size() const
+{
+    return data->size();
+}
+
+bool QGLPixmapGLPaintDevice::alphaRequested() const
+{
+    return data->m_hasAlpha;
+}
+
+void QGLPixmapGLPaintDevice::setPixmapData(QGLPixmapData* d)
+{
+    data = d;
+}
+
+static int qt_gl_pixmap_serial = 0;
+
+QGLPixmapData::QGLPixmapData(PixelType type)
+    : QPixmapData(type, OpenGLClass)
+    , m_renderFbo(0)
+    , m_engine(0)
+    , m_ctx(0)
+    , m_dirty(false)
+    , m_hasFillColor(false)
+    , m_hasAlpha(false)
+    , inLRU(false)
+    , failedToAlloc(false)
+    , inTexturePool(false)
+{
+    setSerialNumber(++qt_gl_pixmap_serial);
+    m_glDevice.setPixmapData(this);
+
+    qt_gl_register_pixmap(this);
+}
+
+QGLPixmapData::~QGLPixmapData()
+{
+    delete m_engine;
+
+    destroyTexture();
+    qt_gl_unregister_pixmap(this);
+}
+
+void QGLPixmapData::destroyTexture()
+{
+    if (inTexturePool) {
+        QGLTexturePool *pool = QGLTexturePool::instance();
+        if (m_texture.id)
+            pool->releaseTexture(this, m_texture.id);
+    } else {
+        if (m_texture.id) {
+            QGLWidget *shareWidget = qt_gl_share_widget();
+            if (shareWidget) {
+                QGLShareContextScope ctx(shareWidget->context());
+                glDeleteTextures(1, &m_texture.id);
+            }
+        }
+    }
+    m_texture.id = 0;
+    inTexturePool = false;
+}
+
+QPixmapData *QGLPixmapData::createCompatiblePixmapData() const
+{
+    return new QGLPixmapData(pixelType());
+}
+
+bool QGLPixmapData::isValid() const
+{
+    return w > 0 && h > 0;
+}
+
+bool QGLPixmapData::isValidContext(const QGLContext *ctx) const
+{
+    if (ctx == m_ctx)
+        return true;
+
+    const QGLContext *share_ctx = qt_gl_share_widget()->context();
+    return ctx == share_ctx || QGLContext::areSharing(ctx, share_ctx);
+}
+
+void QGLPixmapData::resize(int width, int height)
+{
+    if (width == w && height == h)
+        return;
+
+    if (width <= 0 || height <= 0) {
+        width = 0;
+        height = 0;
+    }
+
+    w = width;
+    h = height;
+    is_null = (w <= 0 || h <= 0);
+    d = pixelType() == QPixmapData::PixmapType ? 32 : 1;
+
+    destroyTexture();
+
+    m_source = QImage();
+    m_dirty = isValid();
+    setSerialNumber(++qt_gl_pixmap_serial);
+}
+
+void QGLPixmapData::ensureCreated() const
+{
+    if (!m_dirty)
+        return;
+
+    m_dirty = false;
+
+    QGLShareContextScope ctx(qt_gl_share_widget()->context());
+    m_ctx = ctx;
+
+    const GLenum internal_format = m_hasAlpha ? GL_RGBA : GL_RGB;
+#ifdef QT_OPENGL_ES_2
+    const GLenum external_format = internal_format;
+#else
+    const GLenum external_format = qt_gl_preferredTextureFormat();
+#endif
+    const GLenum target = GL_TEXTURE_2D;
+
+    m_texture.options &= ~QGLContext::MemoryManagedBindOption;
+
+    if (!m_texture.id) {
+        m_texture.id = QGLTexturePool::instance()->createTextureForPixmap(
+                                                                target,
+                                                                0, internal_format,
+                                                                w, h,
+                                                                external_format,
+                                                                GL_UNSIGNED_BYTE,
+                                                                const_cast<QGLPixmapData*>(this));
+        if (!m_texture.id) {
+            failedToAlloc = true;
+            return;
+        }
+        glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+        glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+
+        inTexturePool = true;
+    } else if (inTexturePool) {
+        glBindTexture(target, m_texture.id);
+        QGLTexturePool::instance()->useTexture(const_cast<QGLPixmapData*>(this));
+    }
+
+    if (!m_source.isNull() && m_texture.id) {
+        if (external_format == GL_RGB) {
+            const QImage tx = m_source.convertToFormat(QImage::Format_RGB888).mirrored(false, true);
+
+            glBindTexture(target, m_texture.id);
+            glTexSubImage2D(target, 0, 0, 0, w, h, external_format,
+                            GL_UNSIGNED_BYTE, tx.bits());
+        } else {
+            // do byte swizzling ARGB -> RGBA
+            const QImage tx = ctx->d_func()->convertToGLFormat(m_source, true, external_format);
+            glBindTexture(target, m_texture.id);
+            glTexSubImage2D(target, 0, 0, 0, w, h, external_format,
+                            GL_UNSIGNED_BYTE, tx.bits());
+        }
+
+        if (useFramebufferObjects())
+            m_source = QImage();
+    }
+}
+
+
+void QGLPixmapData::fromImage(const QImage &image,
+                              Qt::ImageConversionFlags flags)
+{
+    QImage img = image;
+    createPixmapForImage(img, flags, false);
+}
+
+void QGLPixmapData::fromImageReader(QImageReader *imageReader,
+                                 Qt::ImageConversionFlags flags)
+{
+    QImage image = imageReader->read();
+    if (image.isNull())
+        return;
+
+    createPixmapForImage(image, flags, true);
+}
+
+bool QGLPixmapData::fromFile(const QString &filename, const char *format,
+                             Qt::ImageConversionFlags flags)
+{
+    if (pixelType() == QPixmapData::BitmapType)
+        return QPixmapData::fromFile(filename, format, flags);
+    QFile file(filename);
+    if (file.open(QIODevice::ReadOnly)) {
+        QByteArray data = file.peek(64);
+        bool alpha;
+        if (m_texture.canBindCompressedTexture
+                (data.constData(), data.size(), format, &alpha)) {
+            resize(0, 0);
+            data = file.readAll();
+            file.close();
+            QGLShareContextScope ctx(qt_gl_share_widget()->context());
+            QSize size = m_texture.bindCompressedTexture
+                (data.constData(), data.size(), format);
+            if (!size.isEmpty()) {
+                w = size.width();
+                h = size.height();
+                is_null = false;
+                d = 32;
+                m_hasAlpha = alpha;
+                m_source = QImage();
+                m_dirty = isValid();
+                return true;
+            }
+            return false;
+        }
+    }
+
+    QImage image = QImageReader(filename, format).read();
+    if (image.isNull())
+        return false;
+
+    createPixmapForImage(image, flags, true);
+
+    return !isNull();
+}
+
+bool QGLPixmapData::fromData(const uchar *buffer, uint len, const char *format,
+                             Qt::ImageConversionFlags flags)
+{
+    bool alpha;
+    const char *buf = reinterpret_cast<const char *>(buffer);
+    if (m_texture.canBindCompressedTexture(buf, int(len), format, &alpha)) {
+        resize(0, 0);
+        QGLShareContextScope ctx(qt_gl_share_widget()->context());
+        QSize size = m_texture.bindCompressedTexture(buf, int(len), format);
+        if (!size.isEmpty()) {
+            w = size.width();
+            h = size.height();
+            is_null = false;
+            d = 32;
+            m_hasAlpha = alpha;
+            m_source = QImage();
+            m_dirty = isValid();
+            return true;
+        }
+    }
+
+    QByteArray a = QByteArray::fromRawData(reinterpret_cast<const char *>(buffer), len);
+    QBuffer b(&a);
+    b.open(QIODevice::ReadOnly);
+    QImage image = QImageReader(&b, format).read();
+    if (image.isNull())
+        return false;
+
+    createPixmapForImage(image, flags, true);
+
+    return !isNull();
+}
+
+/*!
+    out-of-place conversion (inPlace == false) will always detach()
+ */
+void QGLPixmapData::createPixmapForImage(QImage &image, Qt::ImageConversionFlags flags, bool inPlace)
+{
+    if (image.size() == QSize(w, h))
+        setSerialNumber(++qt_gl_pixmap_serial);
+
+    resize(image.width(), image.height());
+
+    if (pixelType() == BitmapType) {
+        m_source = image.convertToFormat(QImage::Format_MonoLSB);
+
+    } else {
+        QImage::Format format = QImage::Format_RGB32;
+        if (qApp->desktop()->depth() == 16)
+            format = QImage::Format_RGB16;
+
+        if (image.hasAlphaChannel()
+            && ((flags & Qt::NoOpaqueDetection)
+                || const_cast<QImage &>(image).data_ptr()->checkForAlphaPixels()))
+            format = QImage::Format_ARGB32_Premultiplied;
+
+        if (inPlace && image.data_ptr()->convertInPlace(format, flags)) {
+            m_source = image;
+        } else {
+            m_source = image.convertToFormat(format);
+
+            // convertToFormat won't detach the image if format stays the same.
+            if (image.format() == format)
+                m_source.detach();
+        }
+    }
+
+    m_dirty = true;
+    m_hasFillColor = false;
+
+    m_hasAlpha = m_source.hasAlphaChannel();
+    w = image.width();
+    h = image.height();
+    is_null = (w <= 0 || h <= 0);
+    d = m_source.depth();
+
+    destroyTexture();
+}
+
+bool QGLPixmapData::scroll(int dx, int dy, const QRect &rect)
+{
+    Q_UNUSED(dx);
+    Q_UNUSED(dy);
+    Q_UNUSED(rect);
+    return false;
+}
+
+void QGLPixmapData::copy(const QPixmapData *data, const QRect &rect)
+{
+    if (data->classId() != QPixmapData::OpenGLClass || !static_cast<const QGLPixmapData *>(data)->useFramebufferObjects()) {
+        QPixmapData::copy(data, rect);
+        return;
+    }
+
+    const QGLPixmapData *other = static_cast<const QGLPixmapData *>(data);
+    if (other->m_renderFbo) {
+        QGLShareContextScope ctx(qt_gl_share_widget()->context());
+
+        resize(rect.width(), rect.height());
+        m_hasAlpha = other->m_hasAlpha;
+        ensureCreated();
+
+        if (!ctx->d_ptr->fbo)
+            glGenFramebuffers(1, &ctx->d_ptr->fbo);
+
+        glBindFramebuffer(GL_DRAW_FRAMEBUFFER_EXT, ctx->d_ptr->fbo);
+        glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
+                GL_TEXTURE_2D, m_texture.id, 0);
+
+        if (!other->m_renderFbo->isBound())
+            glBindFramebuffer(GL_READ_FRAMEBUFFER_EXT, other->m_renderFbo->handle());
+
+        glDisable(GL_SCISSOR_TEST);
+        if (ctx->d_ptr->active_engine && ctx->d_ptr->active_engine->type() == QPaintEngine::OpenGL2)
+            static_cast<QGL2PaintEngineEx *>(ctx->d_ptr->active_engine)->invalidateState();
+
+        glBlitFramebufferEXT(rect.x(), rect.y(), rect.x() + rect.width(), rect.y() + rect.height(),
+                0, 0, w, h,
+                GL_COLOR_BUFFER_BIT,
+                GL_NEAREST);
+
+        glBindFramebuffer(GL_FRAMEBUFFER_EXT, ctx->d_ptr->current_fbo);
+    } else {
+        QPixmapData::copy(data, rect);
+    }
+}
+
+void QGLPixmapData::fill(const QColor &color)
+{
+    if (!isValid())
+        return;
+
+    bool hasAlpha = color.alpha() != 255;
+    if (hasAlpha && !m_hasAlpha) {
+        if (m_texture.id) {
+            destroyTexture();
+            m_dirty = true;
+        }
+        m_hasAlpha = color.alpha() != 255;
+    }
+
+    if (useFramebufferObjects()) {
+        m_source = QImage();
+        m_hasFillColor = true;
+        m_fillColor = color;
+    } else {
+
+        if (m_source.isNull()) {
+            m_fillColor = color;
+            m_hasFillColor = true;
+
+        } else if (m_source.depth() == 32) {
+            m_source.fill(PREMUL(color.rgba()));
+
+        } else if (m_source.depth() == 1) {
+            if (color == Qt::color1)
+                m_source.fill(1);
+            else
+                m_source.fill(0);
+        }
+    }
+}
+
+bool QGLPixmapData::hasAlphaChannel() const
+{
+    return m_hasAlpha;
+}
+
+QImage QGLPixmapData::fillImage(const QColor &color) const
+{
+    QImage img;
+    if (pixelType() == BitmapType) {
+        img = QImage(w, h, QImage::Format_MonoLSB);
+
+        img.setColorCount(2);
+        img.setColor(0, QColor(Qt::color0).rgba());
+        img.setColor(1, QColor(Qt::color1).rgba());
+
+        if (color == Qt::color1)
+            img.fill(1);
+        else
+            img.fill(0);
+    } else {
+        img = QImage(w, h,
+                m_hasAlpha
+                ? QImage::Format_ARGB32_Premultiplied
+                : QImage::Format_RGB32);
+        img.fill(PREMUL(color.rgba()));
+    }
+    return img;
+}
+
+extern QImage qt_gl_read_texture(const QSize &size, bool alpha_format, bool include_alpha);
+
+QImage QGLPixmapData::toImage() const
+{
+    if (!isValid())
+        return QImage();
+
+    if (m_renderFbo) {
+        copyBackFromRenderFbo(true);
+    } else if (!m_source.isNull()) {
+        QImageData *data = const_cast<QImage &>(m_source).data_ptr();
+        if (data->paintEngine && data->paintEngine->isActive()
+            && data->paintEngine->paintDevice() == &m_source)
+        {
+            return m_source.copy();
+        }
+        return m_source;
+    } else if (m_dirty || m_hasFillColor) {
+        return fillImage(m_fillColor);
+    } else {
+        ensureCreated();
+    }
+
+    QGLShareContextScope ctx(qt_gl_share_widget()->context());
+    glBindTexture(GL_TEXTURE_2D, m_texture.id);
+    return qt_gl_read_texture(QSize(w, h), true, true);
+}
+
+struct TextureBuffer
+{
+    QGLFramebufferObject *fbo;
+    QGL2PaintEngineEx *engine;
+};
+
+Q_GLOBAL_STATIC(QGLFramebufferObjectPool, _qgl_fbo_pool)
+QGLFramebufferObjectPool* qgl_fbo_pool()
+{
+    return _qgl_fbo_pool();
+}
+
+void QGLPixmapData::copyBackFromRenderFbo(bool keepCurrentFboBound) const
+{
+    if (!isValid())
+        return;
+
+    m_hasFillColor = false;
+
+    const QGLContext *share_ctx = qt_gl_share_widget()->context();
+    QGLShareContextScope ctx(share_ctx);
+
+    ensureCreated();
+
+    if (!ctx->d_ptr->fbo)
+        glGenFramebuffers(1, &ctx->d_ptr->fbo);
+
+    glBindFramebuffer(GL_DRAW_FRAMEBUFFER_EXT, ctx->d_ptr->fbo);
+    glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
+        GL_TEXTURE_2D, m_texture.id, 0);
+
+    const int x0 = 0;
+    const int x1 = w;
+    const int y0 = 0;
+    const int y1 = h;
+
+    if (!m_renderFbo->isBound())
+        glBindFramebuffer(GL_READ_FRAMEBUFFER_EXT, m_renderFbo->handle());
+
+    glDisable(GL_SCISSOR_TEST);
+
+    glBlitFramebufferEXT(x0, y0, x1, y1,
+            x0, y0, x1, y1,
+            GL_COLOR_BUFFER_BIT,
+            GL_NEAREST);
+
+    if (keepCurrentFboBound) {
+        glBindFramebuffer(GL_FRAMEBUFFER_EXT, ctx->d_ptr->current_fbo);
+    } else {
+        glBindFramebuffer(GL_DRAW_FRAMEBUFFER_EXT, m_renderFbo->handle());
+        ctx->d_ptr->current_fbo = m_renderFbo->handle();
+    }
+}
+
+bool QGLPixmapData::useFramebufferObjects() const
+{
+#ifdef Q_OS_SYMBIAN
+    // We don't want to use FBOs on Symbian
+    return false;
+#else
+    return QGLFramebufferObject::hasOpenGLFramebufferObjects()
+           && QGLFramebufferObject::hasOpenGLFramebufferBlit()
+           && qt_gl_preferGL2Engine()
+           && (w * h > 32*32); // avoid overhead of FBOs for small pixmaps
+#endif
+}
+
+QPaintEngine* QGLPixmapData::paintEngine() const
+{
+    if (!isValid())
+        return 0;
+
+    if (m_renderFbo)
+        return m_engine;
+
+    if (useFramebufferObjects()) {
+        extern QGLWidget* qt_gl_share_widget();
+
+        if (!QGLContext::currentContext())
+            qt_gl_share_widget()->makeCurrent();
+        QGLShareContextScope ctx(qt_gl_share_widget()->context());
+
+        QGLFramebufferObjectFormat format;
+        format.setAttachment(QGLFramebufferObject::CombinedDepthStencil);
+        format.setSamples(4);
+        format.setInternalTextureFormat(GLenum(m_hasAlpha ? GL_RGBA : GL_RGB));
+
+        m_renderFbo = qgl_fbo_pool()->acquire(size(), format);
+
+        if (m_renderFbo) {
+            if (!m_engine)
+                m_engine = new QGL2PaintEngineEx;
+            return m_engine;
+        }
+
+        qWarning() << "Failed to create pixmap texture buffer of size " << size() << ", falling back to raster paint engine";
+    }
+
+    // If the application wants to paint into the QPixmap, we first
+    // force it to QImage format and then paint into that.
+    // This is simpler than juggling multiple GL contexts.
+    const_cast<QGLPixmapData *>(this)->forceToImage();
+
+    if (m_hasFillColor) {
+        m_source.fill(PREMUL(m_fillColor.rgba()));
+        m_hasFillColor = false;
+    }
+    return m_source.paintEngine();
+}
+
+extern QRgb qt_gl_convertToGLFormat(QRgb src_pixel, GLenum texture_format);
+
+// If copyBack is true, bind will copy the contents of the render
+// FBO to the texture (which is not bound to the texture, as it's
+// a multisample FBO).
+GLuint QGLPixmapData::bind(bool copyBack) const
+{
+    if (m_renderFbo && copyBack) {
+        copyBackFromRenderFbo(true);
+    } else {
+        ensureCreated();
+    }
+
+    GLuint id = m_texture.id;
+    glBindTexture(GL_TEXTURE_2D, id);
+
+    if (m_hasFillColor) {
+        if (!useFramebufferObjects()) {
+            m_source = QImage(w, h, QImage::Format_ARGB32_Premultiplied);
+            m_source.fill(PREMUL(m_fillColor.rgba()));
+        }
+
+        m_hasFillColor = false;
+
+        GLenum format = qt_gl_preferredTextureFormat();
+        QImage tx(w, h, QImage::Format_ARGB32_Premultiplied);
+        tx.fill(qt_gl_convertToGLFormat(m_fillColor.rgba(), format));
+        glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, w, h, format, GL_UNSIGNED_BYTE, tx.bits());
+    }
+
+    return id;
+}
+
+QGLTexture* QGLPixmapData::texture() const
+{
+    return &m_texture;
+}
+
+void QGLPixmapData::detachTextureFromPool()
+{
+    if (inTexturePool) {
+        QGLTexturePool::instance()->detachTexture(this);
+        inTexturePool = false;
+    }
+}
+
+void QGLPixmapData::hibernate()
+{
+    // If the texture was imported (e.g, from an SgImage under Symbian),
+    // then we cannot copy it back to main memory for storage.
+    if (m_texture.id && m_source.isNull())
+        return;
+
+    forceToImage();
+    destroyTexture();
+}
+
+void QGLPixmapData::reclaimTexture()
+{
+    if (!inTexturePool)
+        return;
+    forceToImage();
+    destroyTexture();
+}
+
+Q_GUI_EXPORT int qt_defaultDpiX();
+Q_GUI_EXPORT int qt_defaultDpiY();
+
+int QGLPixmapData::metric(QPaintDevice::PaintDeviceMetric metric) const
+{
+    if (w == 0)
+        return 0;
+
+    switch (metric) {
+    case QPaintDevice::PdmWidth:
+        return w;
+    case QPaintDevice::PdmHeight:
+        return h;
+    case QPaintDevice::PdmNumColors:
+        return 0;
+    case QPaintDevice::PdmDepth:
+        return d;
+    case QPaintDevice::PdmWidthMM:
+        return qRound(w * 25.4 / qt_defaultDpiX());
+    case QPaintDevice::PdmHeightMM:
+        return qRound(h * 25.4 / qt_defaultDpiY());
+    case QPaintDevice::PdmDpiX:
+    case QPaintDevice::PdmPhysicalDpiX:
+        return qt_defaultDpiX();
+    case QPaintDevice::PdmDpiY:
+    case QPaintDevice::PdmPhysicalDpiY:
+        return qt_defaultDpiY();
+    default:
+        qWarning("QGLPixmapData::metric(): Invalid metric");
+        return 0;
+    }
+}
+
+// Force the pixmap data to be backed by some valid data.
+void QGLPixmapData::forceToImage()
+{
+    if (!isValid())
+        return;
+
+    if (m_source.isNull())
+        m_source = QImage(w, h, QImage::Format_ARGB32_Premultiplied);
+
+    m_dirty = true;
+}
+
+QGLPaintDevice *QGLPixmapData::glDevice() const
+{
+    return &m_glDevice;
+}
+
+QT_END_NAMESPACE
diff --git a/src/opengl/qwindowsurface_gl.cpp b/src/opengl/qwindowsurface_gl.cpp
index 21b2f09ddb..93e720c7c6 100644
--- a/src/opengl/qwindowsurface_gl.cpp
+++ b/src/opengl/qwindowsurface_gl.cpp
@@ -181,17 +181,15 @@ QGLGraphicsSystem::QGLGraphicsSystem(bool useX11GL)
 //
 // QGLWindowSurface
 //
-
 #ifndef Q_WS_QPA
 class QGLGlobalShareWidget
 {
 public:
-    QGLGlobalShareWidget() : widget(0), initializing(false) {}
+    QGLGlobalShareWidget() : firstPixmap(0), widgetRefCount(0), widget(0), initializing(false) {}
 
     QGLWidget *shareWidget() {
         if (!initializing && !widget && !cleanedUp) {
             initializing = true;
-
             widget = new QGLWidget(QGLFormat(QGL::SingleBuffer | QGL::NoDepthBuffer | QGL::NoStencilBuffer));
             widget->resize(1, 1);
 
@@ -227,6 +225,9 @@ public:
 
     static bool cleanedUp;
 
+    QGLPixmapData *firstPixmap;
+    int widgetRefCount;
+
 private:
     QGLWidget *widget;
     bool initializing;
@@ -274,6 +275,43 @@ const QGLContext *qt_gl_share_context()
 #endif
 }
 
+#ifdef QGL_USE_TEXTURE_POOL
+void qt_gl_register_pixmap(QGLPixmapData *pd)
+{
+    QGLGlobalShareWidget *shared = _qt_gl_share_widget();
+    pd->next = shared->firstPixmap;
+    pd->prev = 0;
+    if (shared->firstPixmap)
+        shared->firstPixmap->prev = pd;
+    shared->firstPixmap = pd;
+}
+
+void qt_gl_unregister_pixmap(QGLPixmapData *pd)
+{
+    if (pd->next)
+        pd->next->prev = pd->prev;
+    if (pd->prev) {
+        pd->prev->next = pd->next;
+    } else {
+        QGLGlobalShareWidget *shared = _qt_gl_share_widget();
+        if (shared)
+           shared->firstPixmap = pd->next;
+    }
+}
+
+void qt_gl_hibernate_pixmaps()
+{
+    QGLGlobalShareWidget *shared = _qt_gl_share_widget();
+
+    // Scan all QGLPixmapData objects in the system and hibernate them.
+    QGLPixmapData *pd = shared->firstPixmap;
+    while (pd != 0) {
+        pd->hibernate();
+        pd = pd->next;
+    }
+}
+#endif
+
 struct QGLWindowSurfacePrivate
 {
     QGLFramebufferObject *fbo;
@@ -366,6 +404,27 @@ QGLWindowSurface::~QGLWindowSurface()
     delete d_ptr->pb;
     delete d_ptr->fbo;
     delete d_ptr;
+
+    if (QGLGlobalShareWidget::cleanedUp)
+        return;
+
+    --(_qt_gl_share_widget()->widgetRefCount);
+
+#ifdef QGL_USE_TEXTURE_POOL
+    if (_qt_gl_share_widget()->widgetRefCount <= 0) {
+        // All of the widget window surfaces have been destroyed
+        // but we still have GL pixmaps active.  Ask them to hibernate
+        // to free up GPU resources until a widget is shown again.
+        // This may eventually cause the EGLContext to be destroyed
+        // because nothing in the system needs a context, which will
+        // free up even more GPU resources.
+        qt_gl_hibernate_pixmaps();
+
+        // Destroy the context if necessary.
+        if (!qt_gl_share_widget()->context()->isSharing())
+            qt_destroy_gl_share_widget();
+    }
+#endif
 }
 
 void QGLWindowSurface::deleted(QObject *object)
@@ -415,6 +474,9 @@ void QGLWindowSurface::hijackWindow(QWidget *widget)
 
     ctx->create(qt_gl_share_context());
 
+    if (widget != qt_gl_share_widget())
+        ++(_qt_gl_share_widget()->widgetRefCount);
+
 #ifndef QT_NO_EGL
     static bool checkedForNOKSwapRegion = false;
     static bool haveNOKSwapRegion = false;
@@ -426,9 +488,9 @@ void QGLWindowSurface::hijackWindow(QWidget *widget)
         if (haveNOKSwapRegion)
             qDebug() << "Found EGL_NOK_swap_region2 extension. Using partial updates.";
     }
-
-    if (ctx->d_func()->eglContext->configAttrib(EGL_SWAP_BEHAVIOR) != EGL_BUFFER_PRESERVED &&
-        ! haveNOKSwapRegion)
+    bool swapBehaviourPreserved = (ctx->d_func()->eglContext->configAttrib(EGL_SWAP_BEHAVIOR)
+                        || (ctx->d_func()->eglContext->configAttrib(EGL_SURFACE_TYPE)&EGL_SWAP_BEHAVIOR_PRESERVED_BIT));
+    if (!swapBehaviourPreserved && !haveNOKSwapRegion)
         setPartialUpdateSupport(false); // Force full-screen updates
     else
         setPartialUpdateSupport(true);
@@ -444,7 +506,9 @@ void QGLWindowSurface::hijackWindow(QWidget *widget)
 
     voidPtrPtr = &widgetPrivate->extraData()->glContext;
     d_ptr->contexts << ctxPtrPtr;
+#ifndef Q_OS_SYMBIAN
     qDebug() << "hijackWindow() context created for" << widget << d_ptr->contexts.size();
+#endif
 }
 
 QGLContext *QGLWindowSurface::context() const
@@ -943,8 +1007,9 @@ void QGLWindowSurface::updateGeometry() {
     if (d_ptr->destructive_swap_buffers)
         initializeOffscreenTexture(surfSize);
 #endif
-
-    qDebug() << "QGLWindowSurface: Using plain widget as window surface" << this;;
+#ifndef Q_OS_SYMBIAN
+    qDebug() << "QGLWindowSurface: Using plain widget as window surface" << this;
+#endif
     d_ptr->ctx = ctx;
     d_ptr->ctx->d_ptr->internal_context = true;
 }
diff --git a/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp b/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp
index 13eab7f88f..18a09441a1 100644
--- a/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp
+++ b/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp
@@ -63,6 +63,8 @@ bool QMeeGoGraphicsSystem::surfaceWasCreated = false;
 
 QHash <Qt::HANDLE, QPixmap*> QMeeGoGraphicsSystem::liveTexturePixmaps;
 
+QList<QMeeGoSwitchCallback> QMeeGoGraphicsSystem::switchCallbacks;
+
 QMeeGoGraphicsSystem::QMeeGoGraphicsSystem()
 {
     qDebug("Using the meego graphics system");
@@ -74,6 +76,78 @@ QMeeGoGraphicsSystem::~QMeeGoGraphicsSystem()
     qt_destroy_gl_share_widget();
 }
 
+class QMeeGoGraphicsSystemSwitchHandler : public QObject
+{
+    Q_OBJECT
+public:
+    QMeeGoGraphicsSystemSwitchHandler();
+
+    void addWidget(QWidget *widget);
+    bool eventFilter(QObject *, QEvent *);
+
+private slots:
+    void removeWidget(QObject *object);
+
+private:
+    int visibleWidgets() const;
+
+private:
+    QList<QWidget *> m_widgets;
+};
+
+QMeeGoGraphicsSystemSwitchHandler::QMeeGoGraphicsSystemSwitchHandler()
+{
+}
+
+void QMeeGoGraphicsSystemSwitchHandler::addWidget(QWidget *widget)
+{
+    if (!m_widgets.contains(widget)) {
+        widget->installEventFilter(this);
+        connect(widget, SIGNAL(destroyed(QObject *)), this, SLOT(removeWidget(QObject *)));
+        m_widgets << widget;
+    }
+}
+
+void QMeeGoGraphicsSystemSwitchHandler::removeWidget(QObject *object)
+{
+    m_widgets.removeOne(static_cast<QWidget *>(object));
+}
+
+int QMeeGoGraphicsSystemSwitchHandler::visibleWidgets() const
+{
+    int count = 0;
+    for (int i = 0; i < m_widgets.size(); ++i)
+        count += m_widgets.at(i)->isVisible() && !(m_widgets.at(i)->windowState() & Qt::WindowMinimized);
+    return count;
+}
+
+bool QMeeGoGraphicsSystemSwitchHandler::eventFilter(QObject *object, QEvent *event)
+{
+    if (event->type() == QEvent::WindowStateChange) {
+        QWindowStateChangeEvent *change = static_cast<QWindowStateChangeEvent *>(event);
+        QWidget *widget = static_cast<QWidget *>(object);
+
+        Qt::WindowStates current = widget->windowState();
+        Qt::WindowStates old = change->oldState();
+
+        // did minimized flag change?
+        if ((current ^ old) & Qt::WindowMinimized) {
+            if (current & Qt::WindowMinimized) {
+                if (visibleWidgets() == 0)
+                    QMeeGoGraphicsSystem::switchToRaster();
+            } else {
+                if (visibleWidgets() == 1)
+                    QMeeGoGraphicsSystem::switchToMeeGo();
+            }
+        }
+    }
+
+    // resume processing of event
+    return false;
+}
+
+Q_GLOBAL_STATIC(QMeeGoGraphicsSystemSwitchHandler, switch_handler)
+
 QWindowSurface* QMeeGoGraphicsSystem::createWindowSurface(QWidget *widget) const
 {
     QGLWidget *shareWidget = qt_gl_share_widget();
@@ -83,6 +157,9 @@ QWindowSurface* QMeeGoGraphicsSystem::createWindowSurface(QWidget *widget) const
 
     QGLShareContextScope ctx(shareWidget->context());
 
+    if (QApplicationPrivate::instance()->graphics_system_name == QLatin1String("runtime"))
+        switch_handler()->addWidget(widget);
+
     QMeeGoGraphicsSystem::surfaceWasCreated = true;
     QWindowSurface *surface = new QGLWindowSurface(widget);
     return surface;
@@ -203,18 +280,7 @@ QPixmapData *QMeeGoGraphicsSystem::pixmapDataWithGLTexture(int w, int h)
 
 bool QMeeGoGraphicsSystem::meeGoRunning()
 {
-    if (! QApplicationPrivate::instance()) {
-        qWarning("Application not running just yet... hard to know what system running!");
-        return false;
-    }
-
-    QString name = QApplicationPrivate::instance()->graphics_system_name;
-    if (name == "runtime") {
-        QRuntimeGraphicsSystem *rsystem = (QRuntimeGraphicsSystem *) QApplicationPrivate::instance()->graphics_system;
-        name = rsystem->graphicsSystemName();
-    }
-
-    return (name == "meego");
+    return runningGraphicsSystemName() == "meego";
 }
 
 QPixmapData* QMeeGoGraphicsSystem::pixmapDataWithNewLiveTexture(int w, int h, QImage::Format format)
@@ -259,6 +325,69 @@ void QMeeGoGraphicsSystem::destroyFenceSync(void *fenceSync)
     QMeeGoExtensions::eglDestroySyncKHR(QEgl::display(), fenceSync);
 }
 
+QString QMeeGoGraphicsSystem::runningGraphicsSystemName()
+{
+    if (!QApplicationPrivate::instance()) {
+        qWarning("Querying graphics system but application not running yet!");
+        return QString();
+    }
+
+    QString name = QApplicationPrivate::instance()->graphics_system_name;
+    if (name == QLatin1String("runtime")) {
+        QRuntimeGraphicsSystem *rsystem = (QRuntimeGraphicsSystem *) QApplicationPrivate::instance()->graphics_system;
+        name = rsystem->graphicsSystemName();
+    }
+
+    return name;
+}
+
+void QMeeGoGraphicsSystem::switchToMeeGo()
+{
+    if (meeGoRunning())
+        return;
+
+    if (QApplicationPrivate::instance()->graphics_system_name != QLatin1String("runtime"))
+        qWarning("Can't switch to meego - switching only supported with 'runtime' graphics system.");
+    else {
+        triggerSwitchCallbacks(0, "meego");
+
+        QApplication *app = static_cast<QApplication *>(QCoreApplication::instance());
+        app->setGraphicsSystem(QLatin1String("meego"));
+
+        triggerSwitchCallbacks(1, "meego");
+    }
+}
+
+void QMeeGoGraphicsSystem::switchToRaster()
+{
+    if (runningGraphicsSystemName() == QLatin1String("raster"))
+        return;
+
+    if (QApplicationPrivate::instance()->graphics_system_name != QLatin1String("runtime"))
+        qWarning("Can't switch to raster - switching only supported with 'runtime' graphics system.");
+    else {
+        triggerSwitchCallbacks(0, "raster");
+
+        QApplication *app = static_cast<QApplication *>(QCoreApplication::instance());
+        app->setGraphicsSystem(QLatin1String("raster"));
+
+        QMeeGoLivePixmapData::invalidateSurfaces();
+
+        triggerSwitchCallbacks(1, "raster");
+    }
+}
+
+void QMeeGoGraphicsSystem::registerSwitchCallback(QMeeGoSwitchCallback callback)
+{
+    switchCallbacks << callback;
+}
+
+void QMeeGoGraphicsSystem::triggerSwitchCallbacks(int type, const char *name)
+{
+    for (int i = 0; i < switchCallbacks.size(); ++i)
+        switchCallbacks.at(i)(type, name);
+}
+
 /* C API */
 
 int qt_meego_image_to_egl_shared_image(const QImage &image)
@@ -340,3 +469,20 @@ void qt_meego_invalidate_live_surfaces(void)
 {
     return QMeeGoLivePixmapData::invalidateSurfaces();
 }
+
+void qt_meego_switch_to_raster(void)
+{
+    QMeeGoGraphicsSystem::switchToRaster();
+}
+
+void qt_meego_switch_to_meego(void)
+{
+    QMeeGoGraphicsSystem::switchToMeeGo();
+}
+
+void qt_meego_register_switch_callback(QMeeGoSwitchCallback callback)
+{
+    QMeeGoGraphicsSystem::registerSwitchCallback(callback);
+}
+
+#include "qmeegographicssystem.moc"
diff --git a/src/plugins/graphicssystems/meego/qmeegographicssystem.h b/src/plugins/graphicssystems/meego/qmeegographicssystem.h
index 27a4e7a8c6..ecc85b2823 100644
--- a/src/plugins/graphicssystems/meego/qmeegographicssystem.h
+++ b/src/plugins/graphicssystems/meego/qmeegographicssystem.h
@@ -47,6 +47,8 @@
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
 
+extern "C" typedef void (*QMeeGoSwitchCallback)(int type, const char *name);
+
 class QMeeGoGraphicsSystem : public QGraphicsSystem
 {
 public:
@@ -76,13 +78,22 @@ public:
     static void* createFenceSync();
     static void destroyFenceSync(void* fenceSync);
 
+    static void switchToRaster();
+    static void switchToMeeGo();
+    static QString runningGraphicsSystemName();
+
+    static void registerSwitchCallback(QMeeGoSwitchCallback callback);
+
 private:
     static bool meeGoRunning();
     static EGLSurface getSurfaceForLiveTexturePixmap(QPixmap *pixmap);
     static void destroySurfaceForLiveTexturePixmap(QPixmapData* pmd);
+    static void triggerSwitchCallbacks(int type, const char *name);
 
     static bool surfaceWasCreated;
-    static QHash <Qt::HANDLE, QPixmap*> liveTexturePixmaps;
+    static QHash<Qt::HANDLE, QPixmap*> liveTexturePixmaps;
+    static QList<QMeeGoSwitchCallback> switchCallbacks;
+
 };
 
 /* C api */
@@ -95,7 +106,7 @@ extern "C" {
     Q_DECL_EXPORT bool qt_meego_destroy_egl_shared_image(Qt::HANDLE handle);
     Q_DECL_EXPORT void qt_meego_set_surface_fixed_size(int width, int height);
     Q_DECL_EXPORT void qt_meego_set_surface_scaling(int x, int y, int width, int height);
-    Q_DECL_EXPORT void qt_meego_set_translucent(bool translucent);    
+    Q_DECL_EXPORT void qt_meego_set_translucent(bool translucent);
     Q_DECL_EXPORT QPixmapData* qt_meego_pixmapdata_with_new_live_texture(int w, int h, QImage::Format format);
     Q_DECL_EXPORT QPixmapData* qt_meego_pixmapdata_from_live_texture_handle(Qt::HANDLE handle);
     Q_DECL_EXPORT QImage* qt_meego_live_texture_lock(QPixmap *pixmap, void *fenceSync);
@@ -104,6 +115,9 @@ extern "C" {
     Q_DECL_EXPORT void* qt_meego_create_fence_sync(void);
     Q_DECL_EXPORT void qt_meego_destroy_fence_sync(void* fs);
     Q_DECL_EXPORT void qt_meego_invalidate_live_surfaces(void);
+    Q_DECL_EXPORT void qt_meego_switch_to_raster(void);
+    Q_DECL_EXPORT void qt_meego_switch_to_meego(void);
+    Q_DECL_EXPORT void qt_meego_register_switch_callback(QMeeGoSwitchCallback callback);
 }
 
 #endif 
diff --git a/src/plugins/graphicssystems/meego/qmeegolivepixmapdata.cpp b/src/plugins/graphicssystems/meego/qmeegolivepixmapdata.cpp
index 2a2a0989e4..0970b8909f 100644
--- a/src/plugins/graphicssystems/meego/qmeegolivepixmapdata.cpp
+++ b/src/plugins/graphicssystems/meego/qmeegolivepixmapdata.cpp
@@ -219,7 +219,7 @@ QImage* QMeeGoLivePixmapData::lock(EGLSyncKHR fenceSync)
         return &lockedImage;
     }
 
-    lockedImage = QImage((uchar *) data, width(), height(), format);
+    lockedImage = QImage((uchar *) data, width(), height(), pitch, format);
     return &lockedImage;
 }
 
diff --git a/tests/auto/declarative/qdeclarativeflickable/data/disabledcontent.qml b/tests/auto/declarative/qdeclarativeflickable/data/disabledcontent.qml
new file mode 100644
index 0000000000..dcbb20bdd5
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativeflickable/data/disabledcontent.qml
@@ -0,0 +1,8 @@
+import QtQuick 1.0
+
+Flickable {
+    width: 100; height: 100
+    contentWidth: 200; contentHeight: 300
+
+    QGraphicsWidget { width: 200; height: 300; enabled: false }
+}
diff --git a/tests/auto/declarative/qdeclarativeflickable/tst_qdeclarativeflickable.cpp b/tests/auto/declarative/qdeclarativeflickable/tst_qdeclarativeflickable.cpp
index 65ba31681c..d499edf08c 100644
--- a/tests/auto/declarative/qdeclarativeflickable/tst_qdeclarativeflickable.cpp
+++ b/tests/auto/declarative/qdeclarativeflickable/tst_qdeclarativeflickable.cpp
@@ -69,6 +69,7 @@ private slots:
     void maximumFlickVelocity();
     void flickDeceleration();
     void pressDelay();
+    void disabledContent();
     void nestedPressDelay();
     void flickableDirection();
     void qgraphicswidget();
@@ -247,6 +248,44 @@ void tst_qdeclarativeflickable::pressDelay()
     QCOMPARE(spy.count(),1);
 }
 
+// QT-4677
+void tst_qdeclarativeflickable::disabledContent()
+{
+    QDeclarativeView *canvas = new QDeclarativeView;
+    canvas->setSource(QUrl::fromLocalFile(SRCDIR "/data/disabledcontent.qml"));
+    canvas->show();
+    canvas->setFocus();
+    QVERIFY(canvas->rootObject() != 0);
+
+    QDeclarativeFlickable *flickable = qobject_cast<QDeclarativeFlickable*>(canvas->rootObject());
+    QVERIFY(flickable != 0);
+
+    QVERIFY(flickable->contentX() == 0);
+    QVERIFY(flickable->contentY() == 0);
+
+    QTest::mousePress(canvas->viewport(), Qt::LeftButton, 0, canvas->mapFromScene(QPoint(50, 50)));
+    {
+        QMouseEvent mv(QEvent::MouseMove, canvas->mapFromScene(QPoint(70,70)), Qt::LeftButton, Qt::LeftButton,Qt::NoModifier);
+        QApplication::sendEvent(canvas->viewport(), &mv);
+    }
+    {
+        QMouseEvent mv(QEvent::MouseMove, canvas->mapFromScene(QPoint(90,90)), Qt::LeftButton, Qt::LeftButton,Qt::NoModifier);
+        QApplication::sendEvent(canvas->viewport(), &mv);
+    }
+    {
+        QMouseEvent mv(QEvent::MouseMove, canvas->mapFromScene(QPoint(100,100)), Qt::LeftButton, Qt::LeftButton,Qt::NoModifier);
+        QApplication::sendEvent(canvas->viewport(), &mv);
+    }
+
+    QVERIFY(flickable->contentX() < 0);
+    QVERIFY(flickable->contentY() < 0);
+
+    QTest::mouseRelease(canvas->viewport(), Qt::LeftButton, 0, canvas->mapFromScene(QPoint(90, 90)));
+
+    delete canvas;
+}
+
+
 // QTBUG-17361
 void tst_qdeclarativeflickable::nestedPressDelay()
 {
diff --git a/tests/auto/declarative/qdeclarativegridview/tst_qdeclarativegridview.cpp b/tests/auto/declarative/qdeclarativegridview/tst_qdeclarativegridview.cpp
index 5ced02b73c..c18393429f 100644
--- a/tests/auto/declarative/qdeclarativegridview/tst_qdeclarativegridview.cpp
+++ b/tests/auto/declarative/qdeclarativegridview/tst_qdeclarativegridview.cpp
@@ -69,6 +69,7 @@ private slots:
     void changed();
     void inserted();
     void removed();
+    void clear();
     void moved();
     void changeFlow();
     void currentIndex();
@@ -501,6 +502,44 @@ void tst_QDeclarativeGridView::removed()
     delete canvas;
 }
 
+void tst_QDeclarativeGridView::clear()
+{
+    QDeclarativeView *canvas = createView();
+
+    TestModel model;
+    for (int i = 0; i < 30; i++)
+        model.addItem("Item" + QString::number(i), "");
+
+    QDeclarativeContext *ctxt = canvas->rootContext();
+    ctxt->setContextProperty("testModel", &model);
+    ctxt->setContextProperty("testRightToLeft", QVariant(false));
+    ctxt->setContextProperty("testTopToBottom", QVariant(false));
+
+    canvas->setSource(QUrl::fromLocalFile(SRCDIR "/data/gridview1.qml"));
+    qApp->processEvents();
+
+    QDeclarativeGridView *gridview = findItem<QDeclarativeGridView>(canvas->rootObject(), "grid");
+    QVERIFY(gridview != 0);
+
+    QDeclarativeItem *contentItem = gridview->contentItem();
+    QVERIFY(contentItem != 0);
+
+    model.clear();
+
+    QVERIFY(gridview->count() == 0);
+    QVERIFY(gridview->currentItem() == 0);
+    QVERIFY(gridview->contentY() == 0);
+    QVERIFY(gridview->currentIndex() == -1);
+
+    // confirm sanity when adding an item to cleared list
+    model.addItem("New", "1");
+    QVERIFY(gridview->count() == 1);
+    QVERIFY(gridview->currentItem() != 0);
+    QVERIFY(gridview->currentIndex() == 0);
+
+    delete canvas;
+}
+
 void tst_QDeclarativeGridView::moved()
 {
     QDeclarativeView *canvas = createView();
diff --git a/tests/auto/declarative/qdeclarativelanguage/data/InlineAssignmentsOverrideBindingsType.qml b/tests/auto/declarative/qdeclarativelanguage/data/InlineAssignmentsOverrideBindingsType.qml
new file mode 100644
index 0000000000..4526cf043e
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativelanguage/data/InlineAssignmentsOverrideBindingsType.qml
@@ -0,0 +1,7 @@
+import QtQuick 1.0
+
+QtObject {
+    property InlineAssignmentsOverrideBindingsType2 nested: InlineAssignmentsOverrideBindingsType2 {
+        value: 19 * 33
+    }
+}
diff --git a/tests/auto/declarative/qdeclarativelanguage/data/InlineAssignmentsOverrideBindingsType2.qml b/tests/auto/declarative/qdeclarativelanguage/data/InlineAssignmentsOverrideBindingsType2.qml
new file mode 100644
index 0000000000..4127ca4375
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativelanguage/data/InlineAssignmentsOverrideBindingsType2.qml
@@ -0,0 +1,5 @@
+import QtQuick 1.0
+
+QtObject {
+    property int value
+}
diff --git a/tests/auto/declarative/qdeclarativelanguage/data/inlineAssignmentsOverrideBindings.qml b/tests/auto/declarative/qdeclarativelanguage/data/inlineAssignmentsOverrideBindings.qml
new file mode 100644
index 0000000000..8f3c5cef79
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativelanguage/data/inlineAssignmentsOverrideBindings.qml
@@ -0,0 +1,6 @@
+import QtQuick 1.0
+
+InlineAssignmentsOverrideBindingsType {
+    property int test: nested.value
+    nested.value: 11
+}
diff --git a/tests/auto/declarative/qdeclarativelanguage/tst_qdeclarativelanguage.cpp b/tests/auto/declarative/qdeclarativelanguage/tst_qdeclarativelanguage.cpp
index f3f41a999c..5a2591f042 100644
--- a/tests/auto/declarative/qdeclarativelanguage/tst_qdeclarativelanguage.cpp
+++ b/tests/auto/declarative/qdeclarativelanguage/tst_qdeclarativelanguage.cpp
@@ -134,6 +134,7 @@ private slots:
     void dontDoubleCallClassBegin();
     void reservedWords_data();
     void reservedWords();
+    void inlineAssignmentsOverrideBindings();
 
     void basicRemote_data();
     void basicRemote();
@@ -1413,9 +1414,18 @@ void tst_qdeclarativelanguage::testType(const QString& qml, const QString& type,
     }
 }
 
+// QTBUG-17276
+void tst_qdeclarativelanguage::inlineAssignmentsOverrideBindings()
+{
+    QDeclarativeComponent component(&engine, TEST_FILE("inlineAssignmentsOverrideBindings.qml"));
 
-// Import tests (QT-558)
+    QObject *o = component.create();
+    QVERIFY(o != 0);
+    QCOMPARE(o->property("test").toInt(), 11);
+    delete o;
+}
 
+// Import tests (QT-558)
 void tst_qdeclarativelanguage::importsBuiltin_data()
 {
     // QT-610
diff --git a/tests/auto/declarative/qdeclarativelistview/tst_qdeclarativelistview.cpp b/tests/auto/declarative/qdeclarativelistview/tst_qdeclarativelistview.cpp
index c87318ea94..2267a894b2 100644
--- a/tests/auto/declarative/qdeclarativelistview/tst_qdeclarativelistview.cpp
+++ b/tests/auto/declarative/qdeclarativelistview/tst_qdeclarativelistview.cpp
@@ -741,6 +741,13 @@ void tst_QDeclarativeListView::clear()
     QTRY_VERIFY(listview->count() == 0);
     QTRY_VERIFY(listview->currentItem() == 0);
     QTRY_VERIFY(listview->contentY() == 0);
+    QVERIFY(listview->currentIndex() == -1);
+
+    // confirm sanity when adding an item to cleared list
+    model.addItem("New", "1");
+    QTRY_VERIFY(listview->count() == 1);
+    QVERIFY(listview->currentItem() != 0);
+    QVERIFY(listview->currentIndex() == 0);
 
     delete canvas;
 }
diff --git a/tests/auto/qgraphicstransform/tst_qgraphicstransform.cpp b/tests/auto/qgraphicstransform/tst_qgraphicstransform.cpp
index 79f22138fc..9434a0b6a4 100644
--- a/tests/auto/qgraphicstransform/tst_qgraphicstransform.cpp
+++ b/tests/auto/qgraphicstransform/tst_qgraphicstransform.cpp
@@ -163,10 +163,11 @@ static inline bool fuzzyCompare(qreal p1, qreal p2)
 {
     // increase delta on small machines using float instead of double
     if (sizeof(qreal) == sizeof(float))
-        return (qAbs(p1 - p2) <= 0.00002f * qMin(qAbs(p1), qAbs(p2)));
+        return (qAbs(p1 - p2) <= 0.00003f * qMin(qAbs(p1), qAbs(p2)));
     else
         return (qAbs(p1 - p2) <= 0.00001f * qMin(qAbs(p1), qAbs(p2)));
 }
+
 static bool fuzzyCompare(const QTransform& t1, const QTransform& t2)
 {
     return fuzzyCompare(t1.m11(), t2.m11()) &&
@@ -180,6 +181,15 @@ static bool fuzzyCompare(const QTransform& t1, const QTransform& t2)
            fuzzyCompare(t1.m33(), t2.m33());
 }
 
+static inline bool fuzzyCompare(const QMatrix4x4& m1, const QMatrix4x4& m2)
+{
+    bool ok = true;
+    for (int y = 0; y < 4; ++y)
+        for (int x = 0; x < 4; ++x)
+            ok &= fuzzyCompare(m1(y, x), m2(y, x));
+    return ok;
+}
+
 void tst_QGraphicsTransform::rotation()
 {
     QGraphicsRotation rotation;
@@ -267,7 +277,7 @@ void tst_QGraphicsTransform::rotation3d()
         // because the deg2rad value in QTransform is not accurate
         // enough to match what QMatrix4x4 is doing.
     } else {
-        QVERIFY(qFuzzyCompare(t, r));
+        QVERIFY(fuzzyCompare(t, r));
     }
 
     //now let's check that a null vector will not change the transform
diff --git a/tests/auto/qnetworkreply/tst_qnetworkreply.cpp b/tests/auto/qnetworkreply/tst_qnetworkreply.cpp
index a7e6f9f225..49ae7685e7 100644
--- a/tests/auto/qnetworkreply/tst_qnetworkreply.cpp
+++ b/tests/auto/qnetworkreply/tst_qnetworkreply.cpp
@@ -969,6 +969,7 @@ tst_QNetworkReply::tst_QNetworkReply()
 #ifndef QT_NO_OPENSSL
     qRegisterMetaType<QList<QSslError> >();
 #endif
+    qRegisterMetaType<QNetworkReply::NetworkError>();
 
     Q_SET_DEFAULT_IAP
 
@@ -2605,6 +2606,9 @@ void tst_QNetworkReply::ioGetFromHttpBrokenServer_data()
     QTest::newRow("justHalfStatus+disconnect") << QByteArray("HTTP/1.1") << true;
     QTest::newRow("justStatus+disconnect") << QByteArray("HTTP/1.1 200 OK\r\n") << true;
     QTest::newRow("justStatusAndHalfHeaders+disconnect") << QByteArray("HTTP/1.1 200 OK\r\nContent-L") << true;
+
+    QTest::newRow("halfContent+disconnect") << QByteArray("HTTP/1.1 200 OK\r\nContent-Length: 4\r\n\r\nAB") << true;
+
 }
 
 void tst_QNetworkReply::ioGetFromHttpBrokenServer()
@@ -2616,29 +2620,35 @@ void tst_QNetworkReply::ioGetFromHttpBrokenServer()
 
     QNetworkRequest request(QUrl("http://localhost:" + QString::number(server.serverPort())));
     QNetworkReplyPtr reply = manager.get(request);
+    QSignalSpy spy(reply, SIGNAL(error(QNetworkReply::NetworkError)));
+
 
     connect(reply, SIGNAL(finished()), &QTestEventLoop::instance(), SLOT(exitLoop()));
     QTestEventLoop::instance().enterLoop(10);
     QVERIFY(!QTestEventLoop::instance().timeout());
 
     QCOMPARE(reply->url(), request.url());
+    QCOMPARE(spy.count(), 1);
     QVERIFY(reply->error() != QNetworkReply::NoError);
 }
 
 void tst_QNetworkReply::ioGetFromHttpStatus100_data()
 {
     QTest::addColumn<QByteArray>("dataToSend");
-    QTest::newRow("normal") << QByteArray("HTTP/1.1 100 Continue\r\n\r\nHTTP/1.1 200 OK\r\nContent-Length: 0\r\n\r\n");
-    QTest::newRow("minimal") << QByteArray("HTTP/1.1 100 Continue\n\nHTTP/1.1 200 OK\r\nContent-Length: 0\r\n\r\n");
-    QTest::newRow("minimal2") << QByteArray("HTTP/1.1 100 Continue\n\nHTTP/1.0 200 OK\r\n\r\n");
-    QTest::newRow("minimal3") << QByteArray("HTTP/1.1 100 Continue\n\nHTTP/1.0 200 OK\n\n");
-    QTest::newRow("with_headers") << QByteArray("HTTP/1.1 100 Continue\r\nBla: x\r\n\r\nHTTP/1.1 200 OK\r\nContent-Length: 0\r\n\r\n");
-    QTest::newRow("with_headers2") << QByteArray("HTTP/1.1 100 Continue\nBla: x\n\nHTTP/1.1 200 OK\r\nContent-Length: 0\r\n\r\n");
+    QTest::addColumn<int>("statusCode");
+    QTest::newRow("normal") << QByteArray("HTTP/1.1 100 Continue\r\n\r\nHTTP/1.1 200 OK\r\nContent-Length: 0\r\n\r\n") << 200;
+    QTest::newRow("minimal") << QByteArray("HTTP/1.1 100 Continue\n\nHTTP/1.1 200 OK\r\nContent-Length: 0\r\n\r\n") << 200;
+    QTest::newRow("minimal2") << QByteArray("HTTP/1.1 100 Continue\n\nHTTP/1.0 200 OK\r\n\r\n") << 200;
+    QTest::newRow("minimal3") << QByteArray("HTTP/1.1 100 Continue\n\nHTTP/1.0 200 OK\n\n") << 200;
+    QTest::newRow("minimal+404") << QByteArray("HTTP/1.1 100 Continue\n\nHTTP/1.0 204 No Content\r\n\r\n") << 204;
+    QTest::newRow("with_headers") << QByteArray("HTTP/1.1 100 Continue\r\nBla: x\r\n\r\nHTTP/1.1 200 OK\r\nContent-Length: 0\r\n\r\n") << 200;
+    QTest::newRow("with_headers2") << QByteArray("HTTP/1.1 100 Continue\nBla: x\n\nHTTP/1.1 200 OK\r\nContent-Length: 0\r\n\r\n") << 200;
 }
 
 void tst_QNetworkReply::ioGetFromHttpStatus100()
 {
     QFETCH(QByteArray, dataToSend);
+    QFETCH(int, statusCode);
     MiniHttpServer server(dataToSend);
     server.doClose = true;
 
@@ -2651,7 +2661,7 @@ void tst_QNetworkReply::ioGetFromHttpStatus100()
 
     QCOMPARE(reply->url(), request.url());
     QCOMPARE(reply->error(), QNetworkReply::NoError);
-    QCOMPARE(reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt(), 200);
+    QCOMPARE(reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt(), statusCode);
     QVERIFY(reply->rawHeader("bla").isNull());
 }
 
diff --git a/tests/auto/qpainterpath/tst_qpainterpath.cpp b/tests/auto/qpainterpath/tst_qpainterpath.cpp
index 8382edc1fc..86adabb4b4 100644
--- a/tests/auto/qpainterpath/tst_qpainterpath.cpp
+++ b/tests/auto/qpainterpath/tst_qpainterpath.cpp
@@ -305,6 +305,11 @@ void tst_QPainterPath::contains_QPointF_data()
     QTest::newRow("horizontal cubic, out left") << path << QPointF(0, 100) << false;
     QTest::newRow("horizontal cubic, out right") << path << QPointF(300, 100) <<false;
     QTest::newRow("horizontal cubic, in mid") << path << QPointF(150, 100) << true;
+
+    path = QPainterPath();
+    path.addEllipse(QRectF(-5000.0, -5000.0, 1500000.0, 1500000.0));
+    QTest::newRow("huge ellipse, qreal=float crash") << path << QPointF(1100000.35, 1098000.2) << true;
+
 }
 
 void tst_QPainterPath::contains_QPointF()
diff --git a/tests/auto/qtextlayout/tst_qtextlayout.cpp b/tests/auto/qtextlayout/tst_qtextlayout.cpp
index 0a14e4a8ff..83c7094ae3 100644
--- a/tests/auto/qtextlayout/tst_qtextlayout.cpp
+++ b/tests/auto/qtextlayout/tst_qtextlayout.cpp
@@ -126,6 +126,7 @@ private slots:
     void textWidthVsWIdth();
     void textWithSurrogates_qtbug15679();
     void textWidthWithStackedTextEngine();
+    void textWidthWithLineSeparator();
 
 private:
     QFont testFont;
@@ -1443,5 +1444,21 @@ void tst_QTextLayout::textWidthWithStackedTextEngine()
     QCOMPARE(line.naturalTextWidth(), fm.width(text));
 }
 
+void tst_QTextLayout::textWidthWithLineSeparator()
+{
+    QString s1("Save Project"), s2("Save Project\ntest");
+    s2.replace('\n', QChar::LineSeparator);
+
+    QTextLayout layout1(s1), layout2(s2);
+    layout1.beginLayout();
+    layout2.beginLayout();
+
+    QTextLine line1 = layout1.createLine();
+    QTextLine line2 = layout2.createLine();
+    line1.setLineWidth(0x1000);
+    line2.setLineWidth(0x1000);
+    QCOMPARE(line1.naturalTextWidth(), line2.naturalTextWidth());
+}
+
 QTEST_MAIN(tst_QTextLayout)
 #include "tst_qtextlayout.moc"
diff --git a/tools/designer/src/components/formeditor/qdesigner_resource.cpp b/tools/designer/src/components/formeditor/qdesigner_resource.cpp
index 714a556a98..073f125a78 100644
--- a/tools/designer/src/components/formeditor/qdesigner_resource.cpp
+++ b/tools/designer/src/components/formeditor/qdesigner_resource.cpp
@@ -1194,7 +1194,7 @@ QWidget *QDesignerResource::createWidget(const QString &widgetName, QWidget *par
             parentWidget->setProperty("_q_widgetOrder", QVariant::fromValue(list));
             QList<QWidget *> zOrder = qvariant_cast<QWidgetList>(parentWidget->property("_q_zOrder"));
             zOrder.append(w);
-            parentWidget->setProperty("_q_zOrder", QVariant::fromValue(list));
+            parentWidget->setProperty("_q_zOrder", QVariant::fromValue(zOrder));
         }
     } else {
         core()->metaDataBase()->add(w);
diff --git a/tools/designer/src/lib/shared/widgetfactory.cpp b/tools/designer/src/lib/shared/widgetfactory.cpp
index 945d7cccc5..bcd23eed33 100644
--- a/tools/designer/src/lib/shared/widgetfactory.cpp
+++ b/tools/designer/src/lib/shared/widgetfactory.cpp
@@ -412,8 +412,10 @@ QWidget *WidgetFactory::createWidget(const QString &widgetName, QWidget *parentW
             // Currently happens in the case of Q3-Support widgets
             baseClass =fallBackBaseClass;
         }
-        w = createWidget(baseClass, parentWidget);
-        promoteWidget(core(),w,widgetName);
+        if (QWidget *promotedWidget = createWidget(baseClass, parentWidget)) {
+            promoteWidget(core(), promotedWidget, widgetName);
+            return promotedWidget;  // Do not initialize twice.
+        }
     } while (false);
 
     Q_ASSERT(w != 0);
diff --git a/tools/qmeegographicssystemhelper/qmeegographicssystemhelper.cpp b/tools/qmeegographicssystemhelper/qmeegographicssystemhelper.cpp
index ac3299506e..3f39bda9fd 100644
--- a/tools/qmeegographicssystemhelper/qmeegographicssystemhelper.cpp
+++ b/tools/qmeegographicssystemhelper/qmeegographicssystemhelper.cpp
@@ -47,7 +47,6 @@
 #include <private/qpixmap_raster_p.h>
 #include <private/qwindowsurface_gl_p.h>
 #include "qmeegoruntime.h"
-#include "qmeegoswitchevent.h"
 
 QString QMeeGoGraphicsSystemHelper::runningGraphicsSystemName()
 {
@@ -77,46 +76,12 @@ bool QMeeGoGraphicsSystemHelper::isRunningRuntime()
 
 void QMeeGoGraphicsSystemHelper::switchToMeeGo()
 {
-    if (isRunningMeeGo())
-        return;
-
-    if (QApplicationPrivate::instance()->graphics_system_name != QLatin1String("runtime"))
-        qWarning("Can't switch to meego - switching only supported with 'runtime' graphics system.");
-    else {
-        QMeeGoSwitchEvent willSwitchEvent(QLatin1String("meego"), QMeeGoSwitchEvent::WillSwitch);
-        foreach (QWidget *widget, QApplication::topLevelWidgets())
-            QCoreApplication::sendEvent(widget, &willSwitchEvent);
-
-        QApplication *app = static_cast<QApplication *>(QCoreApplication::instance());
-        app->setGraphicsSystem(QLatin1String("meego"));
-
-        QMeeGoSwitchEvent didSwitchEvent(QLatin1String("meego"), QMeeGoSwitchEvent::DidSwitch);
-        foreach (QWidget *widget, QApplication::topLevelWidgets())
-            QCoreApplication::sendEvent(widget, &didSwitchEvent);
-    }
+    QMeeGoRuntime::switchToMeeGo();
 }
 
 void QMeeGoGraphicsSystemHelper::switchToRaster()
 {
-    if (runningGraphicsSystemName() == QLatin1String("raster"))
-        return;
-
-    if (QApplicationPrivate::instance()->graphics_system_name != QLatin1String("runtime"))
-        qWarning("Can't switch to raster - switching only supported with 'runtime' graphics system.");
-    else {
-        QMeeGoSwitchEvent willSwitchEvent(QLatin1String("raster"), QMeeGoSwitchEvent::WillSwitch);
-        foreach (QWidget *widget, QApplication::topLevelWidgets())
-            QCoreApplication::sendEvent(widget, &willSwitchEvent);
-
-        QApplication *app = static_cast<QApplication *>(QCoreApplication::instance());
-        app->setGraphicsSystem(QLatin1String("raster"));
-
-	QMeeGoRuntime::invalidateLiveSurfaces();
-
-        QMeeGoSwitchEvent didSwitchEvent(QLatin1String("raster"), QMeeGoSwitchEvent::DidSwitch);
-        foreach (QWidget *widget, QApplication::topLevelWidgets())
-            QCoreApplication::sendEvent(widget, &didSwitchEvent);
-    }
+    QMeeGoRuntime::switchToRaster();
 }
 
 Qt::HANDLE QMeeGoGraphicsSystemHelper::imageToEGLSharedImage(const QImage &image)
@@ -170,3 +135,8 @@ void QMeeGoGraphicsSystemHelper::setSwapBehavior(SwapMode mode)
     else if (mode == KillSwap)
         QGLWindowSurface::swapBehavior = QGLWindowSurface::KillSwap;
 }
+
+void QMeeGoGraphicsSystemHelper::enableSwitchEvents()
+{
+    QMeeGoRuntime::enableSwitchEvents();
+}
diff --git a/tools/qmeegographicssystemhelper/qmeegographicssystemhelper.h b/tools/qmeegographicssystemhelper/qmeegographicssystemhelper.h
index 5a3b57ee57..9e50652df0 100644
--- a/tools/qmeegographicssystemhelper/qmeegographicssystemhelper.h
+++ b/tools/qmeegographicssystemhelper/qmeegographicssystemhelper.h
@@ -97,14 +97,21 @@ public:
     */
     static bool isRunningRuntime();
 
+    //! Enables the sending of QMeeGoSwitchEvent's when the graphicssystem switches.
+    /*!
+      An application that wishes to start receive QMeegoSwitchEvents must call this function.
+    */
+    static void enableSwitchEvents();
+
     //! Switches to meego graphics system. 
     /*!
      When running with the 'runtime' graphics system, sets the currently active 
      system to 'meego'. The window surface and all the resources are automatically
      migrated to OpenGL. Will fail if the active graphics system is not 'runtime'.
      Calling this function will emit QMeeGoSwitchEvent to the top level widgets.
-     Two events will be emitted for each switch -- one before the switch (QMeeGoSwitchEvent::WillSwitch)
-     and one after the switch (QMeeGoSwitchEvent::DidSwitch).
+     If switch events are enabled, two events will be emitted for each switch --
+     one before the switch (QMeeGoSwitchEvent::WillSwitch) and one after the
+     switch (QMeeGoSwitchEvent::DidSwitch).
     */
     static void switchToMeeGo();
 
@@ -114,9 +121,9 @@ public:
      system to 'raster'. The window surface and the graphics resources (including the 
      EGL shared image resources) are automatically migrated back to the CPU. All OpenGL 
      resources (surface, context, cache, font cache) are automaticall anihilated.
-     Calling this function will emit QMeeGoSwitchEvent to the top level widgets.
-     Two events will be emitted for each switch -- one before the switch (QMeeGoSwitchEvent::WillSwitch)
-     and one after the switch (QMeeGoSwitchEvent::DidSwitch).
+     Calling this function will emit QMeeGoSwitchEvent to the top level widgets. If switch
+     events are enabled, two events will be emitted for each switch -- one before the
+     switch (QMeeGoSwitchEvent::WillSwitch) and one after the switch (QMeeGoSwitchEvent::DidSwitch).
     */
     static void switchToRaster();
 
diff --git a/tools/qmeegographicssystemhelper/qmeegoruntime.cpp b/tools/qmeegographicssystemhelper/qmeegoruntime.cpp
index 7c81d517fc..15f9cdfd65 100644
--- a/tools/qmeegographicssystemhelper/qmeegoruntime.cpp
+++ b/tools/qmeegographicssystemhelper/qmeegoruntime.cpp
@@ -41,6 +41,11 @@
 
 #include "qmeegoruntime.h"
 
+#include "qmeegoswitchevent.h"
+
+#include <QtGui/QApplication>
+#include <QtGui/QWidget>
+
 #include <private/qlibrary_p.h>
 #include <private/qfactoryloader_p.h>
 #include <private/qgraphicssystemplugin_p.h>
@@ -49,6 +54,7 @@
 #define ENSURE_INITIALIZED {if (!initialized) initialize();}
 
 bool QMeeGoRuntime::initialized = false;
+bool QMeeGoRuntime::switchEventsEnabled = false;
 
 typedef int (*QMeeGoImageToEglSharedImageFunc) (const QImage&);
 typedef QPixmapData* (*QMeeGoPixmapDataFromEglSharedImageFunc) (Qt::HANDLE handle, const QImage&);
@@ -66,6 +72,9 @@ typedef Qt::HANDLE (*QMeeGoLiveTextureGetHandleFunc) (QPixmap*);
 typedef void* (*QMeeGoCreateFenceSyncFunc) (void);
 typedef void (*QMeeGoDestroyFenceSyncFunc) (void *fs);
 typedef void (*QMeeGoInvalidateLiveSurfacesFunc) (void);
+typedef void (*QMeeGoSwitchToRasterFunc) (void);
+typedef void (*QMeeGoSwitchToMeeGoFunc) (void);
+typedef void (*QMeeGoRegisterSwitchCallbackFunc) (void (*callback)(int type, const char *name));
 
 static QMeeGoImageToEglSharedImageFunc qt_meego_image_to_egl_shared_image = NULL;
 static QMeeGoPixmapDataFromEglSharedImageFunc qt_meego_pixmapdata_from_egl_shared_image = NULL;
@@ -83,6 +92,16 @@ static QMeeGoLiveTextureGetHandleFunc qt_meego_live_texture_get_handle = NULL;
 static QMeeGoCreateFenceSyncFunc qt_meego_create_fence_sync = NULL;
 static QMeeGoDestroyFenceSyncFunc qt_meego_destroy_fence_sync = NULL;
 static QMeeGoInvalidateLiveSurfacesFunc qt_meego_invalidate_live_surfaces = NULL;
+static QMeeGoSwitchToRasterFunc qt_meego_switch_to_raster = NULL;
+static QMeeGoSwitchToMeeGoFunc qt_meego_switch_to_meego = NULL;
+static QMeeGoRegisterSwitchCallbackFunc qt_meego_register_switch_callback = NULL;
+
+extern "C" void handleSwitch(int type, const char *name)
+{
+    QMeeGoSwitchEvent switchEvent((QLatin1String(name)), QMeeGoSwitchEvent::State(type));
+    foreach (QWidget *widget, QApplication::topLevelWidgets())
+        QCoreApplication::sendEvent(widget, &switchEvent);
+}
 
 void QMeeGoRuntime::initialize()
 {
@@ -112,13 +131,17 @@ void QMeeGoRuntime::initialize()
         qt_meego_create_fence_sync = (QMeeGoCreateFenceSyncFunc) library.resolve("qt_meego_create_fence_sync");
         qt_meego_destroy_fence_sync = (QMeeGoDestroyFenceSyncFunc) library.resolve("qt_meego_destroy_fence_sync");
         qt_meego_invalidate_live_surfaces = (QMeeGoInvalidateLiveSurfacesFunc) library.resolve("qt_meego_invalidate_live_surfaces");
+        qt_meego_switch_to_raster = (QMeeGoSwitchToRasterFunc) library.resolve("qt_meego_switch_to_raster");
+        qt_meego_switch_to_meego = (QMeeGoSwitchToMeeGoFunc) library.resolve("qt_meego_switch_to_meego");
+        qt_meego_register_switch_callback = (QMeeGoRegisterSwitchCallbackFunc) library.resolve("qt_meego_register_switch_callback");
 
         if (qt_meego_image_to_egl_shared_image && qt_meego_pixmapdata_from_egl_shared_image && 
             qt_meego_pixmapdata_with_gl_texture && qt_meego_destroy_egl_shared_image && qt_meego_update_egl_shared_image_pixmap && 
             qt_meego_set_surface_fixed_size && qt_meego_set_surface_scaling && qt_meego_set_translucent && 
             qt_meego_pixmapdata_with_new_live_texture && qt_meego_pixmapdata_from_live_texture_handle &&
             qt_meego_live_texture_lock && qt_meego_live_texture_release && qt_meego_live_texture_get_handle &&
-            qt_meego_create_fence_sync && qt_meego_destroy_fence_sync && qt_meego_invalidate_live_surfaces)
+            qt_meego_create_fence_sync && qt_meego_destroy_fence_sync && qt_meego_invalidate_live_surfaces &&
+            qt_meego_switch_to_raster && qt_meego_switch_to_meego && qt_meego_register_switch_callback)
         {
             qDebug("Successfully resolved MeeGo graphics system: %s %s\n", qPrintable(libraryPrivate->fileName), qPrintable(libraryPrivate->fullVersion));
         } else {
@@ -242,3 +265,27 @@ void QMeeGoRuntime::invalidateLiveSurfaces()
     Q_ASSERT(qt_meego_invalidate_live_surfaces);
     qt_meego_invalidate_live_surfaces();
 }
+
+void QMeeGoRuntime::switchToRaster()
+{
+    ENSURE_INITIALIZED;
+    Q_ASSERT(qt_meego_switch_to_raster);
+    qt_meego_switch_to_raster();
+}
+
+void QMeeGoRuntime::switchToMeeGo()
+{
+    ENSURE_INITIALIZED;
+    Q_ASSERT(qt_meego_switch_to_meego);
+    qt_meego_switch_to_meego();
+}
+
+void QMeeGoRuntime::enableSwitchEvents()
+{
+    ENSURE_INITIALIZED;
+    if (!switchEventsEnabled) {
+        Q_ASSERT(qt_meego_register_switch_callback);
+        qt_meego_register_switch_callback(handleSwitch);
+        switchEventsEnabled = true;
+    }
+}
diff --git a/tools/qmeegographicssystemhelper/qmeegoruntime.h b/tools/qmeegographicssystemhelper/qmeegoruntime.h
index b91efae838..6279b4c13e 100644
--- a/tools/qmeegographicssystemhelper/qmeegoruntime.h
+++ b/tools/qmeegographicssystemhelper/qmeegoruntime.h
@@ -63,7 +63,11 @@ public:
     static void* createFenceSync();
     static void destroyFenceSync(void *fs);
     static void invalidateLiveSurfaces();
+    static void switchToRaster();
+    static void switchToMeeGo();
+    static void enableSwitchEvents();
 
 private:
     static bool initialized;
+    static bool switchEventsEnabled;
 };