[gtk] (7 commits) Non-fast-forward update to branch wip/chergert/macos-iosurface

[Christian Hergert <chergert src gnome org>]

The branch 'wip/chergert/macos-iosurface' 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:

  2399bb2... gsk/gl: support non-standard default framebuffer
  e32b491... macos: use CALayer and IOSurface for rendering
  741a547... macos: fix window drag across mixed-scale monitors
  4d0912e... macos: restore key window after hiding popup
  e753867... macos: double buffer IOSurface
  49e4d5a... macos: reload IOSurface when monitor configuration changes
  5fb16d2... macos: only invalidate tiles when size changes

Commits added to the branch:

  f9268e8... gsk/gl: support non-standard default framebuffer
  8b71cff... macos: use CALayer and IOSurface for rendering
  493f904... macos: fix window drag across mixed-scale monitors
  b2de83e... macos: restore key window after hiding popup
  6016e17... macos: double buffer IOSurface
  42164fa... macos: reload IOSurface when monitor configuration changes
  df8e2bc... macos: only invalidate tiles when size changes