diff --git a/libs/xassets/xgfxportal.cpp b/libs/xassets/xgfxportal.cpp
new file mode 100644
index 0000000..096ac19
--- /dev/null
+++ b/libs/xassets/xgfxportal.cpp
@@ -0,0 +1,34 @@
+#include "xgfxportal.h"
+#include "xgfxcell.h"
+
+XGfxPortal::XGfxPortal()
+    : XAsset()
+    , mWritable()
+    , mPlane()
+    , mCell(new XGfxCell())
+    , mVertices()
+    , mVertexCount(0)
+    , mHullAxis()
+{
+
+}
+
+XGfxPortal::~XGfxPortal()
+{
+
+}
+
+void XGfxPortal::ParseData(QDataStream *aStream)
+{
+
+}
+
+void XGfxPortal::Clear()
+{
+    mWritable = XGfxPortalWritable();
+    mPlane.Clear();
+    mCell->Clear();
+    mVertices = QVector3D();
+    mVertexCount = 0;
+    mHullAxis.clear();
+}