[Differential] [Commented On] D3242: Add an option to context menu to launch the application on a discrete graphics card

[graesslin (Martin Gräßlin)]

graesslin added a comment.


  In https://phabricator.kde.org/D3242#60307, @graesslin wrote:
  
  > In https://phabricator.kde.org/D3242#60294, @davidedmundson wrote:
  >
  > > According to our bug report on this: https://bugs.kde.org/show_bug.cgi?id=371497 one also needs to restart kwin in xrender and mess about with some other things.
  >
  >
  > Eh no, that seems to be just the user thinking it might make sense. Most likely the game tears down the compositor any way.
  
  
  Hmm according to the bug report a compositor must be running. If that's in deed the case, then this will break with KWin's terminate compositing on game request. If the OpenGL compositor (or xrender compositor) needs to be on, then the overhead for the game will be so significant that it might destroy the benefit of running on concrete card.
  
  This would require a 180 degree turn on KWin's "how to get game fast" approach. Our current approach is disabling compositing. We would need to significantly invest into gaming on compositing experience if we have to change that.

REVISION DETAIL
  https://phabricator.kde.org/D3242

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To: jgrulich, hein, #plasma
Cc: davidedmundson, graesslin, plasma-devel, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas
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