davidedmundson added a comment.
My window scaling test still works because (in retrospect) it's really stupid. I use render an entirely blue square. If you only show the top quarter of that it's still an entirely blue square. I should render the Japanese flag or something to be useful. Unfortunately that means forking/extending renderAndWaitForShown. REPOSITORY R108 KWin REVISION DETAIL https://phabricator.kde.org/D6952 To: graesslin, #kwin, #plasma, davidedmundson Cc: davidedmundson, plasma-devel, kwin, ZrenBot, progwolff, lesliezhai, ali-mohamed, hardening, jensreuterberg, abetts, sebas, apol, mart, lukas