const ProgramData *get_shader_data() const { return shdata; }
void set_material(const Material *);
const Material *get_material() const { return material.get(); }
const ProgramData *get_shader_data() const { return shdata; }
void set_material(const Material *);
const Material *get_material() const { return material.get(); }
void set_texture(unsigned, const Texture *);
const Texturing *get_texturing() const { return texturing; }
int get_texture_index(const std::string &) const;
void set_texture(unsigned, const Texture *);
const Texturing *get_texturing() const { return texturing; }
int get_texture_index(const std::string &) const;