Iterate on child handles

Resolving list of handles as list of node pointers introduces
extra heap memory allocation (via QVector) which can cause locking with
high number of threads.

Added Entity::traverse() methods to apply a functor to all entitied
in a sub-tree.

Change-Id: I239ab30ac8ac53ba83666a147015d58465d76eb2
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>
 

1 files changed, 3 insertions, 0 deletions

diff --git a/src/render/jobs/updatetreeenabledjob_p.h b/src/render/jobs/updatetreeenabledjob_p.h
index 6eac75ea6..ba28998bc 100644
--- a/src/render/jobs/updatetreeenabledjob_p.h
+++ b/src/render/jobs/updatetreeenabledjob_p.h
@@ -62,6 +62,7 @@ namespace Qt3DRender {
 namespace Render {
 
 class Entity;
+class NodeManagers;
 
 class Q_3DRENDERSHARED_PRIVATE_EXPORT UpdateTreeEnabledJob : public Qt3DCore::QAspectJob
 {
@@ -69,10 +70,12 @@ public:
     UpdateTreeEnabledJob();
 
     void setRoot(Entity *root);
+    void setManagers(NodeManagers *manager);
     void run() override;
 
 private:
     Entity *m_node;
+    NodeManagers *m_manager;
 };
 
 typedef QSharedPointer<UpdateTreeEnabledJob> UpdateTreeEnabledJobPtr;