1 files changed, 17 insertions, 0 deletions
diff --git a/src/runtime/api/q3dspresentation.cpp b/src/runtime/api/q3dspresentation.cpp
index 3a8e37e..db2f77a 100644
--- a/src/runtime/api/q3dspresentation.cpp
+++ b/src/runtime/api/q3dspresentation.cpp
@@ -633,6 +633,23 @@ void Q3DSPresentation::tabletEvent(QTabletEvent *e)
 }
 #endif
 
+/*!
+    Returns the underlying Q3DSEngine. See \l{Advanced Scene Manipulation via
+    the Qt 3D Studio Runtime Private C++ Classes} for details on using such
+    private APIs.
+
+    The engine is only available when a presentation is loaded, the return
+    value is \c null otherwise.
+ */
+Q3DSEngine *Q3DSPresentation::engine() const
+{
+    Q_D(const Q3DSPresentation);
+    if (d->controller && !d->source.isEmpty())
+        return d->controller->pcEngine();
+
+    return nullptr;
+}
+
 void Q3DSPresentationPrivate::setController(Q3DSPresentationController *c)
 {
     if (controller == c)