[Differential] [Request, 19 lines] D1792: Fix calculation of the shadow size in the OpenGL compositor

[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
  This change addresses the problem of the incorrectly rendered shadows
  when opening a window (e.g. Kickoff) a second time. In case of e.g.
  Kickoff not all elements are set, thus e.g. left might be 0, but right
  has a value. So for calculating the height the maximum of the values
  must be used.

TEST PLAN
  Opened Kickoff and systray a few times

REPOSITORY
  rKWIN KWin

BRANCH
  shadow-opengl-size-fix

REVISION DETAIL
  https://phabricator.kde.org/D1792

AFFECTED FILES
  scene_opengl.cpp

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

To: graesslin, #kwin, #plasma_on_wayland
Cc: plasma-devel, kwin, sebas
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