[gtk] (22 commits) Non-fast-forward update to branch misc-gl-fixes

[Matthias Clasen <matthiasc src gnome org>]

The branch 'misc-gl-fixes' 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:

  e4752aa... gsk: Make glyph upload more similar to icons

Commits added to the branch:

  dc50389... wayland: Mark opaque_region as dirty on hide (*)
  dcbfd61... calendar: Fix abbreviated day names (*)
  41ca09d... calendar: Add an explanatory comment (*)
  66de8f3... wayland: drop unused member variables (*)
  aa258fa... wayland: port code to g_clear_pointer (*)
  79d2a14... glcontext: reinstate another missing "!" (*)
  c7e36bc... gltexture: Fix conditions for glGetTexImage() call (*)
  8002464... tiff: Refactor (*)
  7eceed8... jpeg: Use gdk_memory_texture_from_texture() (*)
  dcba783... gdk: Rework gdk_pixbuf_get_from_texture() (*)
  5b47391... broadway: Use gdk_texture_save_to_png_bytes() (*)
  a859471... testsuite: Add workarounds for non-gl backends (*)
  5f3062a... docs: Cosmetics (*)
  bddf9f9... docs: Cosmetics (*)
  96e837a... Improve a msgid (*)
  886f435... Merge branch 'wip/otte/for-master' into 'master' (*)
  6a07a85... Merge branch 'work/tidy' into 'master' (*)
  6067a55... Merge branch 'work/reset_opaque' into 'master' (*)
  b7cab5c... ci: Allow macos to fail (*)
  bd1649e... Merge branch 'feature/calendar-first-day' into 'master' (*)
  5ff9f4a... Merge branch 'matthiasc/for-master' into 'master' (*)
  d19e8c4... gsk: Make glyph upload more similar to icons

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