[gtk] (12 commits) ...Merge branch 'wip/otte/no-clip-on-draw' into 'master'

[Matthias Clasen <matthiasc src gnome org>]

Summary of changes:

  9d8ceb0... testsuite: Don't destroy surfaces that are still used (*)
  16e3870... testsuite: Don't use gdk_cairo_get_clip_rectangle() (*)
  b0369fc... roundedrect: Fix gsk_rounded_rect_intersects_rect() (*)
  77d7c71... roundedrect: Fix inlining of graphene functions (*)
  75b130e... testsuite: Add tests for rounded rect code (*)
  f0993fc... rendernode: Avoid rounding errors (*)
  67610b1... cairoblur: Move the check for early exit (*)
  6f9f180... gsk: Add a utility function for rectangles (*)
  6203cec... gsk: Clip shadow node before push_group() (*)
  8f6cab6... cairoblur: Get rid of gdk_cairo_get_clip_rectangle() call (*)
  052d0f6... gdk: Remove gdk_cairo_get_clip_rectangle() (*)
  313c399... Merge branch 'wip/otte/no-clip-on-draw' into 'master'

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