René J. V. Bertin wrote: > Marco Martin wrote: > >> It doesn't and it never has. (transparecies and shadows without compositing) > ... > I see that KWin5 also has XRender support; I'll check if that or "lowly" > OpenGL 2.0 are suitable workarounds for me.
Update: using OpenGL 2 seems to have cured the glitching I have been experiencing, apart from the occasional lack of immediate updating of a region (like just now when I opened the KWin prefs dialog via the titlebar context menu, which remained partly visible). I guess shouldn't be surprised that an older OpenGL standard is less problematic on my hardware, and wonder why I never thought of trying that before. Will have to do for now, thanks for the feedback. R.
