subcompositor: convert to try_from

References: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/884

1 files changed, 4 insertions, 9 deletions

diff --git a/include/wlr/types/wlr_subcompositor.h b/include/wlr/types/wlr_subcompositor.h
index afbff45b..c292ea0c 100644
--- a/include/wlr/types/wlr_subcompositor.h
+++ b/include/wlr/types/wlr_subcompositor.h
@@ -63,17 +63,12 @@ struct wlr_subcompositor {
 };
 
 /**
- * Returns true if the surface has the subsurface role.
- */
-bool wlr_surface_is_subsurface(struct wlr_surface *surface);
-
-/**
  * Get a struct wlr_subsurface from a struct wlr_surface.
- * Asserts that the surface has the subsurface role.
- * May return NULL even if the surface has the subsurface role if the
- * corresponding subsurface has been destroyed.
+ *
+ * Returns NULL if the surface doesn't have the subsurface role or if
+ * the subsurface has been destroyed.
  */
-struct wlr_subsurface *wlr_subsurface_from_wlr_surface(
+struct wlr_subsurface *wlr_subsurface_try_from_wlr_surface(
 	struct wlr_surface *surface);
 
 struct wlr_subcompositor *wlr_subcompositor_create(struct wl_display *display);