Merge branch '4.7' of scm.dev.nokia.troll.no:qt/qt-s60-public into 4.7-integration

* '4.7' of scm.dev.nokia.troll.no:qt/qt-s60-public:
  On Symbian QGLWidget::glDraw() must do nothing if widget isn't visible.
  QWidget metadata has not been set up yet in QWidgetPrivate::init.

2 files changed, 7 insertions, 2 deletions

diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index 8b8641f..3d2bfe2 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -1275,9 +1275,9 @@ 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(q->inherits("QGLWidget")) {
+    if (isGLWidget) {
         // Don't waste GPU mem for unnecessary large egl surface
-        data.crect = parentWidget ? QRect(0,0,2,2) : QRect(0,0,2,2);
+        data.crect = QRect(0,0,2,2);
     } else {
         data.crect = parentWidget ? QRect(0,0,100,30) : QRect(0,0,360,640);
     }
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index 51187cf..9e69816 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -4445,6 +4445,11 @@ void QGLWidget::glDraw()
     Q_D(QGLWidget);
     if (!isValid())
         return;
+#ifdef Q_OS_SYMBIAN
+    // Crashes on Symbian if trying to render to invisible surfaces
+    if (!isVisible() && d->glcx->device()->devType() == QInternal::Widget)
+        return;
+#endif
     makeCurrent();
 #ifndef QT_OPENGL_ES
     if (d->glcx->deviceIsPixmap())