D15514: [libbreezecommon] Use box blur instead of FFT approach

[Vlad Zagorodniy]

zzag added a comment.


  In D15514#326127 <https://phabricator.kde.org/D15514#326127>, @ngraham wrote:
  
  > Yeah, I also can't tell the difference. If this new way is computationally cheaper, then +1 from me.
  
  
  I don't want to say numbers (because in order to have proper benchmark, I have to test it on variety of different hardware), but with the debug build (on my crappy 2012 laptop) + some load (Firefox), on average, it takes 10x less time to generate shadows.

REPOSITORY
  R31 Breeze

REVISION DETAIL
  https://phabricator.kde.org/D15514

To: zzag, #kwin, #plasma
Cc: ngraham, abetts, plasma-devel, ragreen, Pitel, ZrenBot, lesliezhai, ali-mohamed, jensreuterberg, sebas, apol, mart
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