Also moves the openglwindow test to the opengl folder, as it makes use of these
classes.
Task-number: QTBUG-74409
Change-Id: Id9f0013cedcc8bd1e87122c005641d7298525045
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
Uses the scripts and tests we already have for lancelot as a painting
benchmark.
Change-Id: Idf8a55e2261162e619f6dbb567dc19f8dc96da4e
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>