[gtk] (13 commits) Non-fast-forward update to branch ngl-less-shaders

[Matthias Clasen <matthiasc src gnome org>]

The branch 'ngl-less-shaders' 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:

  0649473... ngl: Fix the coloring shader on GLES 2.0
  346b29a... Merge branch 'gles-coloring' into 'master'
  d10510d... ngl: Consistently use gsk_scaled_premultiply
  91e9455... ngl: Refactor gsk_ngl_render_job_visit_border_node
  ef6f245... ngl: Some cleanups
  161b932... ngl: Some more cleanups
  e5ce146... ngl: Improve the gradient shaders
  fe6ebcf... ngl: Improve the coloring shader
  a90916f... ngl: Small shader improvements
  1ac2c61... ngl: Don't bother with uniform border nodes
  19dfc81... ngl: Special-case css backgrounds

Commits added to the branch:

  2a995ec... ngl: Consistently use gsk_scaled_premultiply
  995871e... ngl: Refactor gsk_ngl_render_job_visit_border_node
  f0d9867... ngl: Some cleanups
  15b1172... ngl: Some more cleanups
  c564063... ngl: Special-case CSS backgrounds
  eee4c06... ngl: Fix the coloring shader on GLES 2.0
  b8993bf... ngl: Improve the gradient shaders
  d573b81... ngl: Improve the coloring shader
  ae260f4... ngl: Small shader improvements
  a855df6... ngl: Don't bother with uniform border nodes
  d6b89ac... ngl: Fix up uniform enums
  d2aa265... ngl: Special-case css backgrounds
  9410748... ngl: Small cleanup