D25022: Add some const &

aacid created this revision.
Herald added a project: KWin.
Herald added a subscriber: kwin.
aacid requested review of this revision.

REVISION SUMMARY
  Won't make things go much faster since everything that was
  being passed by value is refcounted but still const & is a bit faster
  than refcounting

REPOSITORY
  R108 KWin

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D25022

AFFECTED FILES
  autotests/mock_effectshandler.h
  effects.cpp
  effects.h
  effects/backgroundcontrast/contrast.cpp
  effects/backgroundcontrast/contrast.h
  effects/blur/blur.cpp
  effects/blur/blur.h
  effects/colorpicker/colorpicker.cpp
  effects/colorpicker/colorpicker.h
  effects/coverswitch/coverswitch.cpp
  effects/coverswitch/coverswitch.h
  effects/cube/cube.cpp
  effects/cube/cube.h
  effects/cubeslide/cubeslide.cpp
  effects/cubeslide/cubeslide.h
  effects/desktopgrid/desktopgrid.cpp
  effects/desktopgrid/desktopgrid.h
  effects/flipswitch/flipswitch.cpp
  effects/flipswitch/flipswitch.h
  effects/invert/invert.cpp
  effects/invert/invert.h
  effects/lookingglass/lookingglass.cpp
  effects/lookingglass/lookingglass.h
  effects/magnifier/magnifier.cpp
  effects/magnifier/magnifier.h
  effects/mouseclick/mouseclick.cpp
  effects/mouseclick/mouseclick.h
  effects/mousemark/mousemark.cpp
  effects/mousemark/mousemark.h
  effects/presentwindows/presentwindows.cpp
  effects/presentwindows/presentwindows.h
  effects/screenedge/screenedgeeffect.cpp
  effects/screenedge/screenedgeeffect.h
  effects/screenshot/screenshot.cpp
  effects/screenshot/screenshot.h
  effects/showfps/showfps.cpp
  effects/showfps/showfps.h
  effects/showpaint/showpaint.cpp
  effects/showpaint/showpaint.h
  effects/slide/slide.cpp
  effects/slide/slide.h
  effects/snaphelper/snaphelper.cpp
  effects/snaphelper/snaphelper.h
  effects/startupfeedback/startupfeedback.cpp
  effects/startupfeedback/startupfeedback.h
  effects/thumbnailaside/thumbnailaside.cpp
  effects/thumbnailaside/thumbnailaside.h
  effects/touchpoints/touchpoints.cpp
  effects/touchpoints/touchpoints.h
  effects/trackmouse/trackmouse.cpp
  effects/trackmouse/trackmouse.h
  effects/windowgeometry/windowgeometry.cpp
  effects/windowgeometry/windowgeometry.h
  effects/zoom/zoom.cpp
  effects/zoom/zoom.h
  kcmkwin/kwindecoration/declarative-plugin/previewbutton.cpp
  kcmkwin/kwindecoration/declarative-plugin/previewbutton.h
  kcmkwin/kwinrules/ruleswidget.cpp
  kcmkwin/kwinrules/ruleswidget.h
  libkwineffects/anidata.cpp
  libkwineffects/anidata_p.h
  libkwineffects/kwinanimationeffect.cpp
  libkwineffects/kwinanimationeffect.h
  libkwineffects/kwineffects.cpp
  libkwineffects/kwineffects.h
  libkwineffects/kwinglplatform.cpp
  libkwineffects/kwingltexture.cpp
  libkwineffects/kwingltexture.h
  libkwineffects/kwinglutils.cpp
  libkwineffects/kwinglutils.h
  libkwineffects/kwinglutils_funcs.cpp
  libkwineffects/kwinglutils_funcs.h
  main.h
  orientation_sensor.h
  virtualdesktops.h
  xkb.h

To: aacid
Cc: kwin, LeGast00n, The-Feren-OS-Dev, sbergeron, jraleigh, fbampaloukas, GB_2, mkulinski, ragreen, jackyalcine, iodelay, crozbo, bwowk, ZrenBot, ngraham, alexeymin, himcesjf, lesliezhai, ali-mohamed, hardening, romangg, jensreuterberg, abetts, sebas, apol, ahiemstra, mart