修改底层渲染为OpenGL

source/EngineFrame/Base/BaseNode.cpp

@@ -288,6 +288,11 @@ void BaseNode::SetAlpha(float alpha)
     this->Alpha = alpha;
 }
 
+BaseNode *BaseNode::GetParent()
+{
+    return this->m_Parent;
+}
+
 float BaseNode::GetAlpha()
 {
     return this->Alpha;