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desktop-shell: Clarify weston_view destruction at tear down

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This documents the fact that other views are handled implictly by
libweston-desktop, and we shouldn't attempt to destroy indiscriminately
views that aren't created by desktop-shell.

Signed-off-by: Marius Vlad <marius.vlad@collabora.com>
This commit is contained in:
Marius Vlad 2022-03-31 23:20:45 +03:00
parent d03f01377a
commit 299f87f073
1 changed files with 11 additions and 3 deletions
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14
desktop-shell/shell.c
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@ -4875,9 +4875,17 @@ desktop_shell_destroy_layer(struct weston_layer *layer)
* additional black_view created and added to its layer_link
* fullscreen view. See shell_ensure_fullscreen_black_view()
*
* As that black_view it is not a weston_desktop_surface
* we can't have a shsurf for it so we just destroy it like
* we do it in desktop_surface_removed() */
* Note that we do not choose to destroy all other potential
* views we find in the layer, but instead we explicitly verify
* if the view in question was explicitly created by
* desktop-shell, rather than libweston-desktop (in
* desktop_surface_added()).
*
* This is particularly important because libweston-desktop
* could create additional views, which are managed implicitly,
* but which are still being added to the layer list.
*
*/
if (shsurf)
desktop_shell_destroy_surface(shsurf);
else if (is_black_surface_view(view, NULL))