[gtk] (49 commits) Non-fast-forward update to branch wip/baedert/for-master

[Timm Bäder <baedert src gnome org>]

The branch 'wip/baedert/for-master' 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:

  5d67da1... colorplane: Whitespace
  244bb1a... colorutils: Remove unused macro
  eb34871... gradient shaders: Reduce out values as well
  33ccc67... colorplane: Refactor create_texture()
  359dde4... colorutils: Refactor hsv_to_rgb and fold into only caller
  1e4ff0d... colorplane: Remove (un)realize handlers
  b460cf6... colorscale: Refactor creating the hue texture
  bd6a5a0... gdkgl: Remove unused cairo_get_matrix() call
  6139a0d... gl texture: Flip on download
  cbaf5c7... gl renderer: Don't flip when rendering to an fbo
  7c704f0... gdkgl: Remove flipping in draw_from_gl()

Commits added to the branch:

  2b3c296... Update Hebrew translation (*)
  01ddc18... Update Hebrew translation (*)
  11e4a46... gtkeventcontrollerscroll: Drop device type checks (*)
  5536a2f... Merge branch 'wip/carlosg/for-master' into 'master' (*)
  4684082... Make GtkMenuButton::direction more useful. (*)
  d2f0e3f... doc: Document some apis as widget implementor only (*)
  68bb532... window: Don't get surfaces needlessly (*)
  a799c86... textbuffer: Elaborate docs (*)
  30b7545... Add a reftest for flipping transforms (*)
  4f8a211... Merge branch 'matthiasc/for-master' into 'master' (*)
  e29c586... Merge branch 'arnaudb/menubutton-direction' into 'master' (*)
  6887d0c... glrenderer: Move ProgramState into Program (*)
  7edcd17... gl: Properly report error if shader linking fails (*)
  9460d01... gl backend: Add line numbers to source in glsl compilation  (*)
  bacb3af... gl: Add some namespacing to the preamble symbols (*)
  16cdb33... shadertoy demo: Fix GLSL on GLES (*)
  a91b6b4... css: Move the last parser api to the new header (*)
  645fc6a... GtkWindow: Create renderer before realizing child widgets (*)
  6e9b58b... gsk: Add more shader debug spew (*)
  7ea755e... Add GskGLShaderNode and GskGLShader (*)
  950cc41... GtkSnapshot: Add gtk_snapshot_push_glshader() (*)
  4d69728... Support GLShaderNode in backends (*)
  8bcb031... gtk-demo: Add GskGLShaderNode demo (*)
  e76cb3e... gtk-demo: Add a shader paintable to the fishbowl (*)
  4e55220... Add some shader tests (*)
  2e5caa6... Merge branch 'glshader-node' into 'master' (*)
  51ab56d... gl: Track the current uniform state for custom programs (*)
  91c3edb... NEWS: Updates (*)
  3af249c... Silence a compiler warning (*)
  07c338b... gsk: Document radial gradient api (*)
  165768b... wayland: Match header and doc arguments (*)
  f129941... docs: Fix a typo (*)
  c897daf... snapshot: Document radial gradient apis (*)
  aac9414... statusbar: Remove a misleading doc comment (*)
  4a2c817... docs: Document various entry ::activate signals (*)
  719c44a... Merge branch 'glshader-track-uniform-state' into 'master' (*)
  4cfa9ee... Merge branch 'matthiasc/for-master' into 'master' (*)
  9edf183... colorplane: Whitespace
  059602a... colorutils: Remove unused macro
  2660bf5... gradient shaders: Reduce out values as well
  1c29e24... colorplane: Refactor create_texture()
  df9bfad... colorutils: Refactor hsv_to_rgb and fold into only caller
  c1eff4e... colorplane: Remove (un)realize handlers
  fd25769... colorscale: Refactor creating the hue texture
  44723f0... gdkgl: Remove unused cairo_get_matrix() call
  47b8222... gl texture: Flip on download
  0d3d6eb... gl renderer: Don't flip when rendering to an fbo
  cf2689d... gdkgl: Remove flipping in draw_from_gl()
  771d62f... glarea demo: Add min size to gl area

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