[gtk] (9 commits) Created branch wip/matthiasc/gl-icon-cache

[Matthias Clasen <matthiasc src gnome org>]

The branch 'wip/matthiasc/gl-icon-cache' was created.

Summary of new commits:

  a96afef... glyph cache: Clarify message
  dfcec2b... gl: Free icon data
  e8bafbc... gl: Don't leak texture atlases
  6eccd46... Don't generate mipmaps needlessly
  d665d11... glyph cache: Reinstate 1 pixel padding
  3505ee7... gl: Add 1 pixel of padding in the icon cache
  efd1345... gl: Allow setting min/mag filter on textures
  e527802... gl: Use linear scaling for atlases
  0b536e8... gl: Use pad-extend for icon cache