D23105: WIP: [platforms/x11] Cleanup GLX backend, revise compositing

[Roman Gilg]

romangg added inline comments.

INLINE COMMENTS

> romangg wrote in glxbackend.cpp:718
> Ok and in other case the back buffer also has what's currently on the front buffer and we can paint it partly over and then swap?
> 
> Related to that do you know why we `present()` in `prepareRenderingFrame` (in DRM backend as well) and not **after** the actual paint in `endRenderingFrame`?

> Related to that do you know why we present() in prepareRenderingFrame (in DRM backend as well)

Correction: in DRM backend we actually present on endRenderingFrame!

REPOSITORY
  R108 KWin

REVISION DETAIL
  https://phabricator.kde.org/D23105

To: romangg, #kwin, fredrik
Cc: nicolasfella, alexeymin, kwin, LeGast00n, The-Feren-OS-Dev, sbergeron, jraleigh, fbampaloukas, GB_2, mkulinski, ragreen, jackyalcine, Pitel, iodelay, crozbo, bwowk, ZrenBot, ngraham, himcesjf, lesliezhai, ali-mohamed, hardening, romangg, jensreuterberg, abetts, sebas, apol, mart
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.kde.org/pipermail/kwin/attachments/20190819/11701db1/attachment.html>