Qt 3D and Physics Based Rendering (PBR)

Physics Based Rendering (PBR) is the latest and greatest trend in real-time rendering yielding much more visually believable images than the traditional Phong or ad-hoc lighting models. The underlying concept is that the shaders should use physical principles in the encoded models - chief of which are conservation of energy and the Fresnel effect. More info at http://www.kdab.com/qt-3d-physics-based-rendering/