title: Qt: How to detect which version of OpenGL is being used?
body: <p>There are several ways that Qt can use OpenGL: desktop (native), ANGLE, ES... and now there's 'dynamic' which can choose at runtime. Within an app, is there a way that you can detect which one is in use? Either within C++ or within QML?</p>
  
  <p>e.g. something equivalent to the <a href="http://doc.qt.io/qt-5/qtglobal.html" rel="noreferrer">global declarations</a> that let you detect OS</p>