https://lxr.kde.org/source/plasma/kwin/src/scene/itemrenderer_qpainter.cpp?v=stable-kf5-qt5
/stable-kf5-qt5/plasma/kwin/src/scene/itemrenderer_qpainter.cpp
KDE Source Cross Reference
stableplasmakwinsrcscene
https://lxr.kde.org/source/plasma/kwin/src/scene/itemrenderer.cpp?v=stable-kf5-qt5
/stable-kf5-qt5/plasma/kwin/src/scene/itemrenderer.cpp
KDE Source Cross Reference
stableplasmakwinsrcscene
https://lxr.kde.org/source/plasma/kwin/src/scene/itemrenderer_opengl.h?v=stable-kf5-qt5
/stable-kf5-qt5/plasma/kwin/src/scene/itemrenderer_opengl.h
KDE Source Cross Reference
stableplasmakwinsrcscene