docs: function uploadGraphics(renderer, item)
  {
      if (item instanceof Graphics)
      {
          // if the item is not dirty and already has webgl data, then it got prepared or rendered
          // before now and we shouldn't waste time updating it again
          if (item.dirty || item.clearDirty || !item._webGL[renderer.plugins.graphics.CONTEXT_UID])
          {
              renderer.plugins.graphics.updateGraphics(item);
          }
  
          return true;
      }
  
      return false;
  }