On Wed, 11 Sep 2024 10:53:33 +0000 Tor Arne Vestbø <tor.arne.ves...@qt.io> wrote:
> > On Sep 9, 2024, at 9:03 AM, Ilya Fedin <fedin-ilja2...@ya.ru> wrote: > > > > While most platforms seem to have fractional scaling via > > QHighDpiScaling, Wayland is the first (and the only right now) > > platform that got fractional devicePixelRatio on QPA level. > > QHighDpiScaling doesn't handle that and the Wayland QPA just > > disables fractional scaling support when it sees the policy is not > > PassThrough. > > > > It's good that it does that at least but I believe this could be > > done better. I have patches that make High DPI rounding policy to > > behave on Wayland the same as on other platforms, allowing > > applications using a rounding policy to render 1:1 with crsip fonts > > (currently the compositor downscales as QPA disables fractional > > scaling support) and actually respect the policy (downscaling means > > it's effectively always Ceil). > > > > Is there any interest in those changes? > > Yep, please share the patches. Doing so makes it easier to see how > this fits within the existing architecture :) > > Cheers, > Tor Arne > https://codereview.qt-project.org/c/qt/qtbase/+/590171 https://codereview.qt-project.org/c/qt/qtwayland/+/590173 https://codereview.qt-project.org/c/qt/qtwayland/+/590174 The qtwayland patches are meant to work in conjunction with the qtbase patch. -- Development mailing list Development@qt-project.org https://lists.qt-project.org/listinfo/development
