Have a look at the https://github.com/flameshot-org code for ideas @drebelpai

When configure Qt, did you add the following arguments? It seems that the package won't be built unless you explicitly use them. -eglfs -qpa wayland-egl -qpa xcb

@primem0ver Yes I'm using Qt5.11.2.

I'm finding that my QT applications have very poor performance on top of the weston compiler, even with libEGL connections testing properly and utilizing RHI - setup (time between launching the example "calculator" app, fullscreened, and it showing up on the screen) is about 3 seconds, with another 2-3 seconds before input is accepted. Once touch input is accepted, there is ~1/2 second delay between the touch and response. I have much better performance with EGLFS, but we want to use wayland (so that we can utilize things like waylandvnc). I will report back once I do some testing with sway and/or the QT compiler.