19             VisRTX::Context* rtx = VisRTX_GetContext();
 
   20             this->model = rtx->CreateModel();
 
   25             for (
Geometry* geometry : this->geometries)
 
   29             this->model->Release();
 
   42             auto it = this->geometries.find(geometry);
 
   43             if (it != this->geometries.end())
 
   48             this->model->AddGeometry(geometry->geometry);
 
   49             this->geometries.insert(geometry);
 
   54         VisRTX::Model* model = 
nullptr;
 
   55         std::set<Geometry*> geometries;