[gtk] (18 commits) Non-fast-forward update to branch wip/otte/gl-hdr

[Benjamin Otte <otte src gnome org>]

The branch 'wip/otte/gl-hdr' 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:

  b72b1a2... gdk: Add a request_hdr argument to begin_frame()
  203bafc... gdk: Add GDK_DEBUG=hdr
  4dd0212... build: Add a HAVE_EGL define to config.h
  0e3a34e... egl: Move initialization code and port Wayland
  dab73ee... x11: Port to shared EGL code
  b6fb791... glcontext: The content cannot be the current context
  68ede7b... surface: Add a private struct
  000d842... display: Get carried away by extension checker
  c6bf93d... egl: Move EGLSurface handling to GdkSurface
  a04b8fb... egl: Move extension checks to GdkDisplay
  9804d03... wayland: Remove initial GL API bind
  7bac081... cairo-gl: Don't leak framebuffers
  f3023ee... gdk: Remove unused gdk_gl_texture_quads() function
  220fcc5... glcontext: Remove unused functionality
  6fd8caf... egl: Unify contexts

Commits added to the branch:

  ae8de71... build: Add a HAVE_EGL define to config.h
  bfb158d... egl: Move initialization code and port Wayland
  70607f5... x11: Port to shared EGL code
  032eb15... glcontext: The content cannot be the current context
  c8204a9... surface: Add a private struct
  aba37c4... display: Get carried away by extension checker
  d128ffc... egl: Move EGLSurface handling to GdkSurface
  f8b9b30... egl: Move extension checks to GdkDisplay
  482845b... wayland: Remove initial GL API bind
  111c276... cairo-gl: Don't leak framebuffers
  64f10ef... gdk: Remove unused gdk_gl_texture_quads() function
  03cc603... glcontext: Remove unused functionality
  2ff1ea5... egl: Unify contexts
  3ca84c4... glcontext: Handle failure of eglBindAPI()
  bc7c0d0... egl: Support EGL_KHR_no_config_context
  7ede468... gdk: Add a request_hdr argument to begin_frame()
  5eb42dd... gdk: Add GDK_DEBUG=hdr
  cdc8523... egl: Implement HDR support