D7740: Move SceneOpenGL into a dedicated plugin

[Martin Flöser]

graesslin created this revision.
Restricted Application added a project: KWin.
Restricted Application added subscribers: kwin, plasma-devel.

REVISION SUMMARY
  Unfortunately a rather large change which required more refactoring than
  initially expected. The main problem was that some parts needed to go
  into platformsupport so that the platform plugins can link them. Due to
  the rather monolithic nature of scene_opengl.h a few changes were
  required:
  
  - SceneOpenGL::Texture -> SceneOpenGLTexture
  - SceneOpenGL::TexturePrivate -> SceneOpenGLTexturePrivate
  - texture based code into dedicated files
  - SwapProfiler code into dedicated files
  - SwapProfiler only used in x11 variants
  - Safety checks for OpenGL scene moved into the new plugin
  - signal declared in SceneOpenGL moved to Scene, so that we don't need
  
  to include SceneOpenGL in composite

TEST PLAN
  Nested OpenGL compositor works

REPOSITORY
  R108 KWin

BRANCH
  scene-opengl-plugin

REVISION DETAIL
  https://phabricator.kde.org/D7740

AFFECTED FILES
  CMakeLists.txt
  abstract_egl_backend.cpp
  abstract_egl_backend.h
  composite.cpp
  data/org_kde_kwin.categories
  lanczosfilter.h
  libkwineffects/kwingltexture_p.h
  platformsupport/scenes/CMakeLists.txt
  platformsupport/scenes/opengl/CMakeLists.txt
  platformsupport/scenes/opengl/abstract_egl_backend.cpp
  platformsupport/scenes/opengl/abstract_egl_backend.h
  platformsupport/scenes/opengl/backend.cpp
  platformsupport/scenes/opengl/backend.h
  platformsupport/scenes/opengl/swap_profiler.cpp
  platformsupport/scenes/opengl/swap_profiler.h
  platformsupport/scenes/opengl/texture.cpp
  platformsupport/scenes/opengl/texture.h
  plugins/platforms/drm/CMakeLists.txt
  plugins/platforms/drm/egl_gbm_backend.cpp
  plugins/platforms/drm/egl_gbm_backend.h
  plugins/platforms/hwcomposer/CMakeLists.txt
  plugins/platforms/hwcomposer/egl_hwcomposer_backend.cpp
  plugins/platforms/hwcomposer/egl_hwcomposer_backend.h
  plugins/platforms/virtual/CMakeLists.txt
  plugins/platforms/virtual/egl_gbm_backend.cpp
  plugins/platforms/virtual/egl_gbm_backend.h
  plugins/platforms/virtual/virtual_backend.cpp
  plugins/platforms/wayland/CMakeLists.txt
  plugins/platforms/wayland/egl_wayland_backend.cpp
  plugins/platforms/wayland/egl_wayland_backend.h
  plugins/platforms/x11/common/CMakeLists.txt
  plugins/platforms/x11/common/eglonxbackend.cpp
  plugins/platforms/x11/common/eglonxbackend.h
  plugins/platforms/x11/standalone/CMakeLists.txt
  plugins/platforms/x11/standalone/glxbackend.cpp
  plugins/platforms/x11/standalone/glxbackend.h
  plugins/platforms/x11/windowed/CMakeLists.txt
  plugins/platforms/x11/windowed/x11windowed_backend.cpp
  plugins/scenes/CMakeLists.txt
  plugins/scenes/opengl/CMakeLists.txt
  plugins/scenes/opengl/opengl.json
  plugins/scenes/opengl/scene_opengl.cpp
  plugins/scenes/opengl/scene_opengl.h
  scene.h
  scene_opengl.cpp
  scene_opengl.h

To: graesslin, #kwin, #plasma
Cc: plasma-devel, kwin, bwowk, ZrenBot, progwolff, lesliezhai, ali-mohamed, hardening, jensreuterberg, abetts, sebas, apol, mart
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