The Forge rendering engine demo

-Implemented forward-plus rendering to overcome the disadvantages of deferred rendering and forward rendering.

-Compared performance between forward rendering and forward plus rendering. When there are 38 x 38 sphere objects and 36 x 36 dynamic point lights on the scene, forward-plus is three to four times faster than forward rendering.

-Add debug pass which can make users able to check much of the light is culled.

-Built with The Forge rendering engine. C++ and FSL shader language.