+private:
+ static void require_type(GLenum);
+ void query_uniforms();
+ void query_uniform_blocks(const std::vector<UniformInfo *> &);
+ void query_attributes();
+ static LayoutHash compute_layout_hash(const std::vector<const UniformInfo *> &);
+ static bool uniform_location_compare(const UniformInfo *, const UniformInfo *);
+public: