loicm kindly pointed me to his qml magnifier demo which should help expose the FBO performance issue and clarify where the problem is:
https://developer.ubuntu.com/en/blog/2015/04/28/magnifying-glass-qml/
loicm kindly pointed me to his qml magnifier demo which should help expose the FBO performance issue and clarify where the problem is:
https:/ /developer. ubuntu. com/en/ blog/2015/ 04/28/magnifyin g-glass- qml/