[gnome-shell] (5 commits) Non-fast-forward update to branch gbsneto/offscreen-paint-node

[Marge Bot <marge-bot src gnome org>]

The branch 'gbsneto/offscreen-paint-node' 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:

  f3f0763... glsl-effect: Switch to create_pipeline vfunc
  90d25f4... invert-lightness-effect: Switch to create_pipeline vfunc
  062ac17... st/scroll-view-fade: Adapt to paint_target() API changes
  6f70c0f... shell: Adapt to ClutterEffect vfunc changes

Commits added to the branch:

  c09be8b... screenshot: Grab screenshot during paint on X11 (*)
  99935c7... glsl-effect: Switch to create_pipeline vfunc
  715d398... invert-lightness-effect: Switch to create_pipeline vfunc
  534f74b... st/scroll-view-fade: Adapt to paint_target() API changes
  80a5b55... shell: Adapt to ClutterEffect vfunc changes

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