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

[Roman Gilg]

romangg added a comment.


  In D23105#513550 <https://phabricator.kde.org/D23105#513550>, @alexeymin wrote:
  
  > With `KWIN_USE_INTEL_SWAP_EVENT=1` all seems to work fine.
  >
  > But with `KWIN_USE_INTEL_SWAP_EVENT=0` or when unset, I see serious "lags" when dragging the window, it becomes very hard to drag window on screen, looks like some mouse movements are dropped(?) Resizing for example is still fine:
  
  
  Thanks for testing! Yea, I currently trying to move the `present` call to endRenderingFrame and I also notice lags and sometimes freezes on opening a window while using the timer. There are no problems with the swap event.

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
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