* 12to11-test.xml (test_manager) <set_buffer_label>: New
request.
* 12to11.man:
* README: Add missing documentation.
* buffer.c (ExtBufferDestroy): Free buffer label.
* compositor.h (struct _ExtBuffer): New field `label'
* linux-dmabuf-unstable-v1.xml: Update from wayland-protocols.
* subcompositor.c (IsSkipped, SetSkipped, ClearSkipped): Delete
macros.
(SubcompositorUpdateBounds, SubcompositorUpdateBoundsForInsert)
(SkipSlug): Adjust accordingly.
(DamageIncludingInferiors): Fix function.
(SubcompositorInsert, SubcompositorInsertBefore)
(SubcompositorInsertAfter, ViewIsVisible, ViewRecomputeChildren)
(ViewInsert, ViewInsertAfter, ViewInsertBefore): Call
DamageIncludingInferiors on child, not view.
(ViewSetSubcompositor, ViewAfterSizeUpdate, ViewMove): Get rid
of "skipped" state.
(ViewUnskip, ViewSkip): delete functions.
(ViewFree, DoCull, SubcompositorLookupView): Get rid of
"skipped" state.
* subsurface.c (struct _Subsurface): New field `pending'.
(AfterParentCommit): Attach views whenever pending.
(Setup): Stop attaching views upon setup.
(Teardown): Only detach views when not pending.
(GetSubsurface): Add comment.
(XLSubsurfaceParentDestroyed): Set subcompositor to NULL when
parent is destroyed.
(XLSubsurfaceHandleParentCommit): New function.
* surface.c (RunCommitCallbacks): Run commit callbacks in the
order in which they were created.
(NotifySubsurfaceDestroyed): Assert that a role is present.
(HandleSurfaceDestroy): Clear subsurfaces before releasing role.
Set subsurfaces to NULL.
* test.c (SetBufferLabel): New function.
(test_manager_impl): Implement.
* tests/subsurface_test.c (enum test_kind): New
SUBSURFACE_REPARENT_KIND.
(test_names): Add names
(LAST_TEST): Set to SUBSURFACE_REPARENT_KIND.
(test_single_step): Implement new test.
* tests/test_harness.c (load_png_image): Set buffer debug label.
