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 egl implementation for the virtual platform tries to use a render node if available. If there is no render node it looks for a virtual (kernel driver vgem) device, which unfortunately does not create a render node in mainline kernel (there are patches in ChromiumOS). For this the Udev wrapper is extended to search for renderNode devices and for virtual dri devices. If either render node or vgem dri device is found, it is tried to be opened (without logind escalation) and on success a gbm device is created on it. If any step of this fails the so far default behavior of default device is tried for creating the EGLDisplay. All of this is compile optional, so that the virtual platform does not hard depend on udev and/or gbm. TEST PLAN Auto tests which need OpenGL executed and verified that they use the render node or vgem device. REPOSITORY rKWIN KWin BRANCH virtual-render-node-vgem REVISION DETAIL https://phabricator.kde.org/D2216 AFFECTED FILES CMakeLists.txt config-kwin.h.cmake plugins/platforms/virtual/CMakeLists.txt plugins/platforms/virtual/egl_gbm_backend.cpp plugins/platforms/virtual/egl_gbm_backend.h udev.cpp udev.h EMAIL PREFERENCES https://phabricator.kde.org/settings/panel/emailpreferences/ To: graesslin, #kwin, #plasma_on_wayland Cc: plasma-devel, kwin, hardening, jensreuterberg, abetts, sebas
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