I’ve got a basic question about visual performance in Qt/QML/Felgo I’m hoping I can get some advice/insight into:
I’ve been developing some client-use apps in Qt/QML for iOS (iPad), made a couple for 1080p touchscreen displays, but I’m not getting great visual performance in the Desktop apps.
A lot of these apps involve full-screen JPG images, with swipeable galleries (using swipeview, flickable, etc) and typically run on large touchscreens off of new Mac Minis. Currently though, even a simple app loading full-screen 1920×1080 jpg images into a swipeview, or using Property animation to move these large image on/off the screen is giving a definite “jittery: look. Even a simple Swipeview loading images asynchonously via a repeater does not look anywhere near as buttery-smooth as I’d expect from a GPU enabled framework (base Qt/QML). The same concepts put to work on Adobe AIR produce very smooth animations, but something seems off – a stuttering slow framerate look when built in Qt.
Is there an enhancement by using Felgo that would improve the look of animating large images on desktop?
Am I doing something wrong to begin with?
All thoughts appreciated (and yes I did try asking this on the Qt forum with little response).