[gtk] (22 commits) Non-fast-forward update to branch wip/otte/gleanup

[Benjamin Otte <otte src gnome org>]

The branch 'wip/otte/gleanup' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  778f909... x11: Store the EGL surface in the GdkSurfaceX11
  3f7ff84... x11: Move GL init code into the GL context
  1ea260c... glx: Remove Visual cache
  a8ae195... x11: Rework Visual selection
  9415ec6... x11: Remove GdkVisual
  2a89c27... x11: Remove the dummy surface
  7b584f1... Revert "x11: Always fall back to GLX on NVIDIA"
  67f2425... x11: Remove unused struct member
  961afc9... x11: Remove glx version check
  39913eb... x11: Use single GLX fbconfig and store it in the display
  7fc5d02... x11: Store the GLX drawable in the surface
  52e83ab... x11: Get Visual from EGL directly
  49e9ba6... x11: Do not call glXQueryExtension()
  cbf083e... x11: Properly record the error when initializing GL
  0ce3e5d... x11: Redo choice between EGL and GLX
  95d1ef8... gdk: Add gdk_gl_context_is_compatible()
  a8d2549... gdk: Add a private struct to GdkDisplay
  8e6c298... gdk: Allow GdkDrawContext with a %NULL surface
  d97bdf3... wayland: Move fbconfig into the display
  3bd3797... wayland: Don't pass GL config to get_egl_surface()
  3c278ea... xxx: drawcontext without surface
  aa9808a... gdk: Add GdkDisplay::init_gl vfunc

Commits added to the branch:

  52923cf... x11: Store the EGL surface in the GdkSurfaceX11
  da55322... x11: Move GL init code into the GL context
  e4d02fa... glx: Remove Visual cache
  9945197... x11: Rework Visual selection
  ac90430... x11: Remove GdkVisual
  4be25f9... x11: Remove the dummy surface
  c3d7ec0... Revert "x11: Always fall back to GLX on NVIDIA"
  fa11256... x11: Remove unused struct member
  7bc133c... x11: Remove glx version check
  5936fc8... x11: Use single GLX fbconfig and store it in the display
  c99e266... x11: Store the GLX drawable in the surface
  591e3d0... x11: Get Visual from EGL directly
  44efc0a... x11: Do not call glXQueryExtension()
  9fab279... x11: Properly record the error when initializing GL
  d881a43... x11: Redo choice between EGL and GLX
  c16b23a... gdk: Add gdk_gl_context_is_compatible()
  8db0416... gdk: Add a private struct to GdkDisplay
  4f9de4c... gdk: Allow GdkDrawContext with a %NULL surface
  1803273... wayland: Move fbconfig into the display
  99e7d19... wayland: Don't pass GL config to get_egl_surface()
  6b63a0d... gdk: Add GdkDisplay::init_gl vfunc
  753204a... gdk: Require EGL version 1.4 across the board