[gtk] (22 commits) Non-fast-forward update to branch matthiasc/color-profile-rebased

[Matthias Clasen <matthiasc src gnome org>]

The branch 'matthiasc/color-profile-rebased' 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:

  04539cc... colorprofile: Implement a global transform cache
  161cc45... widget-factory: Add tests for loading color profiles
  92bf49d... Support color profiles in pixbufs
  a816f7a... x11: Implement support for color profiles
  8a5e947... Fixes for gdk_memory_txture_new_subtexture
  e6057d2... Add crude color management impl for cairo
  508c7ea... gdk: Add GDK_DEBUG=srgb
  0d1e9b4... gsk: Upload textures in linear sRGB
  24f43a8... gsk: Apply gamma to frames
  87734dc... gsk: Linearize colors too
  472b1b3... gsk: Linearize gl textures
  7e8af32... gsk: Use stem darkening for glyphs
  b1d5436... cairo: Use stem darkening for glyphs
  f6e466e... gsk: Fix caching of textures
  e96b737... gsk: Refactor a bit
  6f11b09... gsk: Do texture conversions in shaders
  6257381... gsk: Support flipping gl textures
  c99dacf... API: Add a new constructor for GL textures
  fe62e4a... gsk: Use GL texture information
  4a4d312... glarea: Use the new GL texture constructor
  12649fe... media: Use the new GL texture constructor
  a703616... gdk: Introduce GdkColor

Commits added to the branch:

  39d21a3... colorprofile: Implement a global transform cache
  eac61df... widget-factory: Add tests for loading color profiles
  897c791... Support color profiles in pixbufs
  5bd2108... x11: Implement support for color profiles
  dbc5102... Fixes for gdk_memory_txture_new_subtexture
  708474d... Add crude color management impl for cairo
  22eec7c... gdk: Add GDK_DEBUG=srgb
  24e9abd... gsk: Upload textures in linear sRGB
  9b73d0f... gsk: Apply gamma to frames
  a7a44c6... gsk: Linearize colors too
  31e39cc... gsk: Linearize gl textures
  bfd301d... gsk: Use stem darkening for glyphs
  6ef4ef5... cairo: Use stem darkening for glyphs
  a6726b5... gsk: Fix caching of textures
  dda83bc... gsk: Refactor a bit
  ebf1ea7... gsk: Do texture conversions in shaders
  2b99f80... gsk: Support flipping gl textures
  6c8c726... API: Add a new constructor for GL textures
  7e6f1f7... gsk: Use GL texture information
  99eac30... glarea: Use the new GL texture constructor
  052e18f... media: Use the new GL texture constructor
  aada796... gdk: Introduce GdkColor