Renderable multiple times. */
Step &add_step(Tag, Renderable &);
+ const std::vector<Step> &get_steps() const { return steps; }
+
/** Adds a postprocessor to the sequence. */
void add_postprocessor(PostProcessor &);
+ const std::vector<PostProcessor *> &get_postprocessors() const { return postproc; }
+
/** Adds an owned object, which will be deleted together with the sequence. */
template<typename T>
void add_owned(T *p)