D22150: [plugins/qpa] Implement native offscreen surface

romangg added inline comments.

INLINE COMMENTS

> zzag wrote in sharingplatformcontext.cpp:101
> FWIW we can do
> 
>   if (surface->surface()->surfaceClass() == QSurface::Window) {
>       Window *window = static_cast<Window *>(surface);
>   }
> 
> if `dynamic_cast` should go away.

Also a good solution. Question is how often is this called if it's worth the potential performance gain. Decide before pushing what you like more and then push with or without it.

REPOSITORY
  R108 KWin

REVISION DETAIL
  https://phabricator.kde.org/D22150

To: zzag, #kwin, romangg
Cc: romangg, alexeymin, kwin, LeGast00n, sbergeron, jraleigh, fbampaloukas, GB_2, mkulinski, ragreen, jackyalcine, Pitel, iodelay, crozbo, bwowk, ZrenBot, ngraham, himcesjf, lesliezhai, ali-mohamed, hardening, jensreuterberg, abetts, sebas, apol, mart