[gtk+] (24 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:

  14adbd9... gl: Add 'use-es' flag
  f73d948... gl: Relay use-es from context to paint data
  2d93263... gdk: Move GLSL shaders into GResource
  44f4993... gdk: Add 'GDK_GL=gles' flag
  73dd63e... gdk: Add GLES shaders
  eda1bd6... gl: Add more OpenGL ES checks
  a2d4697... gl: Use the appropriate format on GLES
  01c8f0e... gl: Use the appropriate formats when reading buffers on GLE
  cea1bc9... gl: Tweak the swizzle for GLES texture fragments
  e674701... wayland: Implement asking for a GLES context
  4632405... wayland: Honour GDK_GL=gles on context creation
  c90cc49... wayland: Add debugging notes for EGL context creation
  fafba04... wayland: Bind the appropriate OpenGL API
  bb1ea5a... x11: Allow creating GLES contexts
  85a0d88... tests: Add GLES shaders to testglarea
  3fa818d... tests: Add GLES support to GtkGears
  998117b... demo: Add GLES support to the GtkGLArea demo
  edd4cd1... glarea: Relay the use-es flag to context creation
  9a867de... docs: Clarify the platform-dependency of GdkGLContext:use-e
  9c851a4... docs: Add new GdkGLContext symbols
  545af8b... docs: Add new GtkGLArea symbols
  7a430c0... gl: Add fallback for missing subimage unpacking

Commits added to the branch:

  6225d43... inspector: do not leak seat capabilities descriprion (*)
  e1cecd2... gl: Add 'use-es' flag
  d7b5ea8... gl: Relay use-es from context to paint data
  55537cc... gdk: Move GLSL shaders into GResource
  3da7337... gdk: Add 'GDK_GL=gles' flag
  8bb4eb5... gdk: Add GLES shaders
  1620b7b... gl: Add more OpenGL ES checks
  5b03cf1... gl: Use the appropriate format on GLES
  a942e96... gl: Use the appropriate formats when reading buffers on GLE
  fe25ba3... gl: Tweak the swizzle for GLES texture fragments
  2849f2f... wayland: Implement asking for a GLES context
  d40778f... wayland: Honour GDK_GL=gles on context creation
  7d1da94... wayland: Add debugging notes for EGL context creation
  74f4e6e... wayland: Bind the appropriate OpenGL API
  88fed84... x11: Allow creating GLES contexts
  bab5452... tests: Add GLES shaders to testglarea
  b18bd5c... tests: Add GLES support to GtkGears
  06dca70... demo: Add GLES support to the GtkGLArea demo
  fe79730... glarea: Relay the use-es flag to context creation
  43d210a... glarea: Use the appropriate texture format for GLES
  1e6b7b3... docs: Clarify the platform-dependency of GdkGLContext:use-e
  9c4434a... docs: Add new GdkGLContext symbols
  7c6837f... docs: Add new GtkGLArea symbols
  ed817e3... gl: Add fallback for missing subimage unpacking

(*) This commit already existed in another branch; no separate mail sent