D4949: Support scaling in BackgroundContrast effect

[David Edmundson]

davidedmundson created this revision.
Restricted Application added a project: KWin.
Restricted Application added subscribers: KWin, kwin, plasma-devel.

REVISION SUMMARY
  Background contrast reads pixels from the framebuffer
  we need to convert from compositor to framebuffer co-ordinates
  when an output is scaled

TEST PLAN
  Ran the manual test in kwindowsystem. Moved window over dolphin.
  Visually checked output

REPOSITORY
  R108 KWin

REVISION DETAIL
  https://phabricator.kde.org/D4949

AFFECTED FILES
  effects/backgroundcontrast/contrast.cpp

To: davidedmundson, #plasma
Cc: plasma-devel, kwin, #kwin, progwolff, lesliezhai, ali-mohamed, hardening, jensreuterberg, abetts, sebas, apol
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.kde.org/pipermail/plasma-devel/attachments/20170306/86909848/attachment.html>