Using-QOpenGLFunctions-and-QOpenGLContext

This simple examle demonstrates to using QOpenGLFunctions and QOpenGLContext.
OpenGL 3.3 Core Profile support require for compile and run this demo.According to recent Qt 5.2.0
This demo tested on kernel 3.12.8 mesa 10.0.2 xorg 1.15 and intel ivy bridge graphics.Worked perfectly.