[Differential] [Request, 17 lines] D3101: Adjust blur and contrast for multi-output rendering on Wayland

[graesslin (Martin Gräßlin)]

graesslin created this revision.
graesslin added reviewers: KWin, Plasma on Wayland.
Restricted Application added subscribers: kwin, plasma-devel.
Restricted Application added projects: Plasma on Wayland, KWin.

REVISION SUMMARY
  The glCopyTex(Sub)Image calls are adjusted to take the per output
  rendering into account. In addition contrast effect sets the model view
  projection matrix in each call to ensure it's on the correct screen.
  
  Blur probably needs more changes for the cached texture to work, but
  it's a start.

TEST PLAN
  Blur and Background contrast work on multi-screen wayland

REPOSITORY
  rKWIN KWin

BRANCH
  blur-wayland-multi-screen

REVISION DETAIL
  https://phabricator.kde.org/D3101

AFFECTED FILES
  effects/backgroundcontrast/contrast.cpp
  effects/backgroundcontrast/contrast.h
  effects/blur/blur.cpp

EMAIL PREFERENCES
  https://phabricator.kde.org/settings/panel/emailpreferences/

To: graesslin, #kwin, #plasma_on_wayland
Cc: plasma-devel, kwin, lesliezhai, ali-mohamed, hardening, jensreuterberg, abetts, sebas
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