[gtk] (13 commits) Non-fast-forward update to branch gamma-shenanigans

[Matthias Clasen <matthiasc src gnome org>]

The branch 'gamma-shenanigans' 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:

  8b14c4b... Support 16bit textures
  3c24d59... Add private api to download textures
  6c3661d... Support loading and saving 16bit pngs
  f71e335... Support 16-bit floating point textures
  eda2239... Support 32-bit floating point textures
  f7573a3... Add gdk_texture_save_to_file
  992b6dc... Support loading and saving float textures
  9976b34... Redo the conversion setup for memory formats
  b21c9a4... Allow conversion to hdr formats
  3f835e2... Add gdk_texture_download_float
  39db04e... Switch to downloading GdkRGBA

Commits added to the branch:

  55099b7... Update Swedish translation (*)
  7d7e000... Refactor gdk_gl_context_upload_texture slightly
  d1b938b... Support 16bit textures
  5f37eee... Add private api to download textures
  57d5a73... Support loading and saving 16bit pngs
  7949ab3... Support 16-bit floating point textures
  f800cb3... fix up premultiplication
  baeb682... Support 32-bit floating point textures
  f7a413b... Add gdk_texture_save_to_file
  de6d4c5... Support loading and saving float textures
  8a11cf5... Redo the conversion setup for memory formats
  c13d70e... Allow conversion to hdr formats
  2a501a8... Add gdk_texture_download_float

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