Am 12.10.2015 um 10:39 schrieb Jean-Marc Lasgouttes <lasgout...@lyx.org>:
> Le 12/10/2015 05:19, Stephan Witt a écrit : >> If Q_WS_X11 and QPA_XCB are undefined it's possible to use >> Qt's pixmap cache to speed up the drawing. > >> ATM, this seems to be broken (for HiDPI and Qt5 only?). >> The placement of the text isn't correct while pixmap cache is enabled. >> Does it make sense to have this feature anymore on recent systems? > > I plead guilty of laziness. Too lazy for making sure that it works, and too > lazy to remove it. > > Did your latest patch fix the problem? No, it was a bycatch only. > What I read about it is that it was good for ppc systems. I guess this > platform is less of a concern now (do you build universal binaries?). No. I don't build universal binaries anymore. There is no support for it with Qt anymore. The latest patch levels doesn't compile for it, AFAIR. > 2.2 is supposed to be faster on Mac, and it is indeed on my late 2006 iMac. > Ideally, I should test there and see what the profiler has to say. > > Or we can just get rid of the feature. This is what I had in mind too. Unfortunately there are user reports telling LyX 2.2.0 is slow (resp. slower than 2.1.4), IMHO. And I don't know anything about Windows functionality and performance… How did you determine that rendering is faster? May I try the same and see how it works for me? Stephan
