This encapsulates some of the higher level functions of OpenGL using extensions into C++ objects. These at the moment in time are framebuffer objects and shaders
3D game engine for C and C++
Create C/C++ 3D games easily! Game engine including higher-level functions and highest-level that are little less than working games! Include an audio system, an thread system, events, entities, physics, etc. This engine is written in C and C++. But can be used from both languages. It is powered by glib, Irrlicht engine, OpenAL, ODE, Ogg vorbis, etc
iSDGE is meant to be a free next generation 3D game engine for mobile devices supporting OpenGL ES 2.0. It is very easy to use, extremely flexible and fast. iSDGE is mostly written in C++ and currently comes with an Objective-C binding for iOS.