- virtual void RenderUsingGPU();
- virtual void RenderUsingCPU(const Objects & objects, const View & view, const CPURenderTarget & target);
+ virtual void RenderUsingGPU(unsigned first_obj_id, unsigned last_obj_id);
+ virtual void RenderUsingCPU(const Objects & objects, const View & view, const CPURenderTarget & target, unsigned first_obj_id, unsigned last_obj_id);