void uniform3_array(const std::string &, unsigned, const float *);
void uniform4_array(const std::string &, unsigned, const int *);
void uniform4_array(const std::string &, unsigned, const float *);
+ void uniform_matrix2_array(const std::string &, unsigned, const float *);
+ void uniform_matrix3_array(const std::string &, unsigned, const float *);
void uniform_matrix4_array(const std::string &, unsigned, const float *);
void remove_uniform(const std::string &);