[gtk+] (11 commits) Non-fast-forward update to branch wip/ebassi/gles

[Emmanuele Bassi <ebassi src gnome org>]

The branch 'wip/ebassi/gles' 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:

  18b68ac... glarea: Relay the use-es flag to context creation
  175d4d2... x11: Allow creating GLES contexts
  49b1732... wayland: Add debugging notes for EGL context creation
  403eceb... glsl: Specify precision for GLES shaders
  7dcb68f... gdk: Use appropriate API on GLES
  75ae976... wayland: Bind the appropriate OpenGL API
  403c532... gl: Use the appropriate format on GLES
  604af75... tests: Add precision to the GLES shader
  e479857... fixup! glarea: Relay the use-es flag to context creation
  06d96a3... docs: Clarify the platform-dependency of GdkGLContext:use-e
  b5536dc... docs: Add new GdkGLContext symbols
  7fb3893... docs: Add new GtkGLArea symbols

Commits added to the branch:

  6644ab4... glarea: Relay the use-es flag to context creation
  81e4fb0... x11: Allow creating GLES contexts
  a736d1c... wayland: Add debugging notes for EGL context creation
  beb6e72... glsl: Specify precision for GLES shaders
  d04d737... gdk: Use appropriate API on GLES
  99f5a35... wayland: Bind the appropriate OpenGL API
  04c2478... gl: Use the appropriate format on GLES
  c164efe... tests: Add precision to the GLES shader
  4a2979b... docs: Clarify the platform-dependency of GdkGLContext:use-e
  db74738... docs: Add new GdkGLContext symbols
  372761c... docs: Add new GtkGLArea symbols