QGeometry creates creation changes

Change-Id: Ifc5cf15a2a82345ac7aa0af3517a8455900e0c30
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

3 files changed, 17 insertions, 0 deletions

diff --git a/src/render/geometry/qgeometry.cpp b/src/render/geometry/qgeometry.cpp
index dae199832..5bf06ad3d 100644
--- a/src/render/geometry/qgeometry.cpp
+++ b/src/render/geometry/qgeometry.cpp
@@ -183,6 +183,16 @@ void QGeometry::copy(const QNode *ref)
         d_func()->m_boundingVolumePositionAttribute = qobject_cast<QAttribute *>(QNode::clone(geometry->d_func()->m_boundingVolumePositionAttribute));
 }
 
+Qt3DCore::QNodeCreatedChangeBasePtr QGeometry::createNodeCreationChange() const
+{
+    auto creationChange = Qt3DCore::QNodeCreatedChangePtr<QGeometryData>::create(this);
+    auto &data = creationChange->data;
+    Q_D(const QGeometry);
+    data.attributeIds = qIdsForNodes(d->m_attributes);
+    data.boundingVolumePositionAttributeId = qIdForNode(d->m_boundingVolumePositionAttribute);
+    return creationChange;
+}
+
 } // namespace Qt3DRender
 
 QT_END_NAMESPACE
diff --git a/src/render/geometry/qgeometry.h b/src/render/geometry/qgeometry.h
index d7f938b0a..d826468ab 100644
--- a/src/render/geometry/qgeometry.h
+++ b/src/render/geometry/qgeometry.h
@@ -79,6 +79,7 @@ protected:
 private:
     Q_DECLARE_PRIVATE(QGeometry)
     QT3D_CLONEABLE(QGeometry)
+    Qt3DCore::QNodeCreatedChangeBasePtr createNodeCreationChange() const Q_DECL_OVERRIDE;
 };
 
 } // namespace Qt3DRender
diff --git a/src/render/geometry/qgeometry_p.h b/src/render/geometry/qgeometry_p.h
index 11a2c3297..ee0abf2fb 100644
--- a/src/render/geometry/qgeometry_p.h
+++ b/src/render/geometry/qgeometry_p.h
@@ -70,6 +70,12 @@ public:
     QAttribute *m_boundingVolumePositionAttribute;
 };
 
+struct QGeometryData
+{
+    Qt3DCore::QNodeIdVector attributeIds;
+    Qt3DCore::QNodeId boundingVolumePositionAttributeId;
+};
+
 } // namespace Qt3DRender
 
 QT_END_NAMESPACE