Have Qt3DQuickWindow manage window surface

Change-Id: I3d034728781aa5b99868c92ea73ebf427ee88c5a
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

2 files changed, 6 insertions, 0 deletions

diff --git a/src/quick3d/quick3d/qqmlaspectengine.cpp b/src/quick3d/quick3d/qqmlaspectengine.cpp
index cf2372ca5..d7e540c42 100644
--- a/src/quick3d/quick3d/qqmlaspectengine.cpp
+++ b/src/quick3d/quick3d/qqmlaspectengine.cpp
@@ -133,6 +133,11 @@ void QQmlAspectEnginePrivate::_q_continueExecute()
         return;
     }
 
+    // Let users know we have loaded the QML file, and the scene has been instantiated.
+    // This gives a chance to manipulate the scene before passing it over to the
+    // aspect engine. Useful for convenience window classes to set up cameras and surfaces
+    // on the framegraph and event sources for the input aspect etc.
+    emit q->sceneCreated(obj);
     m_aspectEngine->setRootEntity(qobject_cast<QEntity *>(obj));
     emit q->statusChanged(q->status());
 }
diff --git a/src/quick3d/quick3d/qqmlaspectengine.h b/src/quick3d/quick3d/qqmlaspectengine.h
index 7f742e83f..b94c6ab10 100644
--- a/src/quick3d/quick3d/qqmlaspectengine.h
+++ b/src/quick3d/quick3d/qqmlaspectengine.h
@@ -64,6 +64,7 @@ public:
 
 Q_SIGNALS:
     void statusChanged(Status);
+    void sceneCreated(QObject* rootObject);
 
 private:
     Q_DECLARE_PRIVATE(QQmlAspectEngine)