[vfx] populate empty vfx with an OpenGL sample from ogl tutorial 1 that compiles in C.
[vfx] populate empty vfx with an OpenGL sample from ogl tutorial 1 that compiles in C.

OpenISS/OpenISS,OpenISS/OpenISS,OpenISS/OpenISS,OpenISS/OpenISS,OpenISS/OpenISS,OpenISS/OpenISS,OpenISS/OpenISS