[gtk+] (4 commits) Non-fast-forward update to branch wip/baedert/gl

[Timm Bäder <baedert src gnome org>]

The branch 'wip/baedert/gl' 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:

  ecf5b0a... gl renderer: Handle borders in hidpi better
  33fab90... gl renderer: Fix rounded clips in hidpi
  f250677... merge into border hidpi commit
  4177e5f... gl renderer: Fix cairo node surface size in hidpi
  5c88fb9... gl renderer: Fix inset and outset shadows in hidpi

Commits added to the branch:

  19408c5... gl renderer: Handle borders in hidpi better
  254553d... gl renderer: Fix rounded clips in hidpi
  9abd1c1... gl renderer: Fix cairo node surface size in hidpi
  6ce1bfc... gl renderer: Fix inset and outset shadows in hidpi