const Program *get_shader_program() const { return shprog.get(); }
const ProgramData *get_shader_data() const { return shdata.get(); }
const std::string &get_slotted_uniform_name(const std::string &) const;
const Program *get_shader_program() const { return shprog.get(); }
const ProgramData *get_shader_data() const { return shdata.get(); }
const std::string &get_slotted_uniform_name(const std::string &) const;