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 So far SharingPlatformContext was only used if the OpenGL context supports EGL_KHR_surfaceless_context. If not supported, KWin tried to create a context through the Wayland API. Unfortunately on hwcomposer platform this results in a crash as libhybris only supports the init of EGLDisplay for one native platform. This change tries to also use the SharingPlatformContext if there is an OpenGL context in general. It reuses the native EGLSurface created for the compositing scene and makes its own OpenGL context current on that surface, too. As KWin creates an FBO, it never renders to it, so it shouldn't matter at all. In order to prevent EGL_BAD_MATCH errors when making Qt's OpenGL context current also the EGLConfig from the scene is used to create the context. TEST PLAN Tested on Nexus5 with qtvirtualkeyboard in KWin REPOSITORY rKWIN KWin BRANCH sharingplatform-hwcomposer REVISION DETAIL https://phabricator.kde.org/D2231 AFFECTED FILES abstract_egl_backend.h platform.cpp platform.h plugins/qpa/abstractplatformcontext.cpp plugins/qpa/abstractplatformcontext.h plugins/qpa/integration.cpp plugins/qpa/sharingplatformcontext.cpp plugins/qpa/sharingplatformcontext.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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