[KDE/Mac] Shadow-rendering glitch in 4.14.1-Parley due to software rendering mode on MacPorts' KDE 4.13.3?

René J.V. Bertin rjvbertin at gmail.com
Thu Nov 20 22:15:10 UTC 2014

On Thursday November 20 2014 22:48:36 Marko Käning wrote:


A while back when I was investigating the Bespin theme I also ran into glitches. The Bespin author (Thomas Lübking) was interested and kind enough to help me iron them out, so it might be a thought to have a look at the Bespin code in its repository. All was resolved at svn revision 1730 (svn://svn.code.sf.net/p/cloudcity/code).


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> Hi Ian, Inge, KDE folks,
> I just happened to have a closer look at parley [1] on OSX/MacPorts. :)
> Inge as parley’s developer asked me to install its latest version, which is why
> I created a new branch in our MacPorts/KDE git repo called ‘KDE4.14’, which
> contains also parley and the needed libkdeedu [2]. All the other stuff can be
> used from current KDE 4.13.3 installed via MacPorts.
> First thing I noticed is, that there seems to be some rendering glitch which I
> filed a bug report for in [3].
>     Since you, Ian, had spotted stuff like that for various applications,
>     I thought you might have an idea what this could actually be. Obviously
>     some transparency and shadow is involved here… Check out the screenshots
>     for OSX and Linux in [3]!
> If the raster graphics system would be responsible for this, I should be able
> to switch the application to native or opengl mode like this, right?
>   $ open /Applications/MacPorts/KDE4/parley.app --args -graphicssystem native
>   $ open /Applications/MacPorts/KDE4/parley.app --args -graphicssystem opengl
> But these didn’t change anything regarding the frame for me… :( OpenGL didn’t
> render the progress bars’ round edges as nicely as raster and native did.
> Anyways, I hope that you, Ian, will have a clue what’s going on here.
> Inge and I somehow remember some issues with OSX, shadows and transparency…
> So, perhaps one would have to work around this on OSX for the time being?!
> ---
> Apart from this Parley appears to be a very nice learning tool!!! :-) 
> 	Congratulations, Inge!!!!!
> 	AND: Nice to have this running on OSX via MacPorts!
> 	I was able to download collections via the integrated hotnewstuff
> 	functionality!     :-D     Absolutely COOL!!!! 
> Greets,
> Marko
> [1] https://projects.kde.org/projects/kde/kdeedu/parley
> [2] http://commits.kde.org/macports-kde/0744e4e4934ca77c7274b45be1298e9884b0316d
> [3] https://bugs.kde.org/show_bug.cgi?id=341138
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