On 03/02/2016 03:27, Daniel van Vugt wrote: > Also note the current window resizing implementation in QtMir is > creating additional lag that shouldn't be there. Waiting for the client > to update simply takes too long. As a result, the window edges lag > behind the mouse cursor. However since Unity8 renders its own mouse > cursor there should be _zero_ visible lag between the cursor and the > screen, as demonstrated with: >
The "laggy and choppy" resize for apps that are slow to redraw/relayout is all Unity 8, not QtMir. I can implement it the way you want (making window border follow mouse and filling the empty space between it and the surface with white for instance) without changing a single line in QtMir. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to unity8 in Ubuntu. https://bugs.launchpad.net/bugs/1539011 Title: [regression] Window resizing is very choppy and stutters (border does not smoothly follow the mouse) Status in QtMir: Invalid Status in Ubuntu UX: New Status in qtmir package in Ubuntu: Invalid Status in unity8 package in Ubuntu: New Bug description: Just tried Unity8 desktop for the first time since October and found some things don't work as well as before. One of them is window resizing, which is now every choppy and stuttering. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: unity8 8.11+16.04.20160122-0ubuntu1 ProcVersionSignature: Ubuntu 4.3.0-7.18-generic 4.3.3 Uname: Linux 4.3.0-7-generic x86_64 ApportVersion: 2.19.4-0ubuntu1 Architecture: amd64 Date: Thu Jan 28 18:39:38 2016 InstallationDate: Installed on 2015-12-03 (56 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20151202) SourcePackage: unity8 UpgradeStatus: No upgrade log present (probably fresh install) upstart.unity8-dash.log: Attempted to deliver an event to a non-existent window, ignoring. To manage notifications about this bug go to: https://bugs.launchpad.net/qtmir/+bug/1539011/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp