On Tue, Nov 19, 2013 at 02:03:35PM +0200, ppaala...@gmail.com wrote:
> From: Pekka Paalanen <pekka.paala...@collabora.co.uk>
>
> If you opened a window with sub-surfaces, and then raised another window
> on top of that, the underlaying window's main surface was stacked
> properly, but the sub-surfaces remained on top of the raised window.
> IOW, the raised window was in between the other window and its
> sub-surfaces.
I saw this just the other day when I ran the subsurface test case.
Thanks for the fix Pekka.
Kristian
> This got broken in a7af70436b7dccfacd736626d6719b3e751fd985, "Split the
> geometry information from weston_surface out into weston_view".
>
> Fix the issues:
>
> In view_list_add_subsurface_view(), the views need to be added to the
> end of the list, not to the head. This alone fixes the above problem,
> but causes the sub-surface views to be stacked irrespective of their
> surface stacking order. The stacking order in this test case is fixed by
> the changes to view_list_add(), but for sub-sub-surfaces a similar
> change is needed in view_list_add_subsurface_view() too.
>
> In view_list_add(), build the view list in the sub-surface stacking
> order, instead of pulling the parent surface always on top. Also handle
> the case, when the subsurface_list is completely empty: the parent
> surface's view must still be added.
>
> Reported-by: Julien Isorce <julien.iso...@collabora.com>
> Signed-off-by: Pekka Paalanen <pekka.paala...@collabora.co.uk>
> Cc: Jason Ekstrand <ja...@jlekstrand.net>
> ---
> src/compositor.c | 26 ++++++++++++++++++++------
> 1 file changed, 20 insertions(+), 6 deletions(-)
>
> diff --git a/src/compositor.c b/src/compositor.c
> index b8e0c6e..7c688ef 100644
> --- a/src/compositor.c
> +++ b/src/compositor.c
> @@ -1612,11 +1612,18 @@ view_list_add_subsurface_view(struct
> weston_compositor *compositor,
> }
>
> weston_view_update_transform(view);
> - wl_list_insert(compositor->view_list.next, &view->link);
>
> - wl_list_for_each(child, &sub->surface->subsurface_list, parent_link)
> - if (child->surface != sub->surface)
> + if (wl_list_empty(&sub->surface->subsurface_list)) {
> + wl_list_insert(compositor->view_list.prev, &view->link);
> + return;
> + }
> +
> + wl_list_for_each(child, &sub->surface->subsurface_list, parent_link) {
> + if (child->surface == sub->surface)
> + wl_list_insert(compositor->view_list.prev, &view->link);
> + else
> view_list_add_subsurface_view(compositor, child, view);
> + }
> }
>
> static void
> @@ -1626,11 +1633,18 @@ view_list_add(struct weston_compositor *compositor,
> struct weston_subsurface *sub;
>
> weston_view_update_transform(view);
> - wl_list_insert(compositor->view_list.prev, &view->link);
>
> - wl_list_for_each(sub, &view->surface->subsurface_list, parent_link)
> - if (sub->surface != view->surface)
> + if (wl_list_empty(&view->surface->subsurface_list)) {
> + wl_list_insert(compositor->view_list.prev, &view->link);
> + return;
> + }
> +
> + wl_list_for_each(sub, &view->surface->subsurface_list, parent_link) {
> + if (sub->surface == view->surface)
> + wl_list_insert(compositor->view_list.prev, &view->link);
> + else
> view_list_add_subsurface_view(compositor, sub, view);
> + }
> }
>
> static void
> --
> 1.8.1.5
>
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