QML OpenGL

http://gamedevelopment.tutsplus.com/articles/the-end-of-fixed-function-rendering-pipelines-and-how-to-move-on–cms-21469http://stackoverflow.com/questions/22023591/why-does-qmatrix4x4lookat-result-in-a-upside-down-camera
http://stackoverflow.com/questions/24894693/need-help-doing-simple-rendering-with-qt5-qml-opengl
https://wiki.qt.io/Introduction-to-Qt3D
http://www.ics.com/blog/introduction-qt3d
http://stackoverflow.com/questions/21870004/strange-bugs-while-rendering-with-opengl-under-qml-scene
http://doc.qt.io/qt-5/qt3d-index.html
http://doc.qt.io/qt-5/qt3d-overview.html
http://www.trentreed.net/blog/qt5-opengl-part-3b-camera-control/
http://stackoverflow.com/questions/22080881/how-to-render-text-in-modern-opengl-with-glsl
https://forum.qt.io/topic/36225/solved-qimage-and-glteximage2d/4