Buffer handles creation

Change-Id: I1b70651df24b9eb1418db4552674531153c601a3
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/src/render/geometry/buffer.cpp b/src/render/geometry/buffer.cpp
index cadf5cd02..f4c88562a 100644
--- a/src/render/geometry/buffer.cpp
+++ b/src/render/geometry/buffer.cpp
@@ -41,6 +41,7 @@
 #include <Qt3DCore/qscenepropertychange.h>
 #include <Qt3DCore/qbackendscenepropertychange.h>
 #include <Qt3DRender/private/buffermanager_p.h>
+#include <Qt3DRender/private/qbuffer_p.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -111,6 +112,22 @@ void Buffer::updateFromPeer(Qt3DCore::QNode *peer)
     }
 }
 
+void Buffer::initializeFromPeer(const Qt3DCore::QNodeCreatedChangeBasePtr &change)
+{
+    const auto typedChange = qSharedPointerCast<Qt3DCore::QNodeCreatedChange<QBufferData>>(change);
+    const auto &data = typedChange->data;
+    m_data = data.data;
+    m_type = data.type;
+    m_usage = data.usage;
+    m_syncData = data.syncData;
+    m_bufferDirty = true;
+
+    m_functor = data.functor;
+    Q_ASSERT(m_manager);
+    if (m_functor)
+        m_manager->addDirtyBuffer(peerId());
+}
+
 void Buffer::sceneChangeEvent(const Qt3DCore::QSceneChangePtr &e)
 {
     if (e->type() == NodeUpdated) {