Aggpas has a lot of interesting features and some years ago I tried to use it for one of TMDC entries. However, it was difficult to incorporate to external projects as it was very hardwired to itself, and it was inconsistent in rendering triangle's edges, which was essential for rendering semi-transparent 3D meshes. I think it was like someone's own personal project meant for internal use only. This was like 4-5 years ago, so I don't know how it has changed since then.