- void set_data_type(DataType);
- DataType get_data_type() const { return data_type; }
- void use_index_buffer(Buffer *, Batch * = 0);
- Batch &append(unsigned);
- void append(const std::vector<unsigned> &);
- void append(const Batch &);
- unsigned size() const { return data.size()/get_index_size(); }
- unsigned get_index(unsigned) const;
- void draw() const;