diff options
| -rw-r--r-- | backend/multi/backend.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/backend/multi/backend.c b/backend/multi/backend.c index e0038955..1665bf28 100644 --- a/backend/multi/backend.c +++ b/backend/multi/backend.c @@ -17,8 +17,14 @@ struct subbackend_state { struct wl_list link; }; +static struct wlr_multi_backend *multi_backend_from_backend( + struct wlr_backend *wlr_backend) { + assert(wlr_backend_is_multi(wlr_backend)); + return (struct wlr_multi_backend *)wlr_backend; +} + static bool multi_backend_start(struct wlr_backend *wlr_backend) { - struct wlr_multi_backend *backend = (struct wlr_multi_backend *)wlr_backend; + struct wlr_multi_backend *backend = multi_backend_from_backend(wlr_backend); struct subbackend_state *sub; wl_list_for_each(sub, &backend->backends, link) { if (!wlr_backend_start(sub->backend)) { @@ -38,7 +44,7 @@ static void subbackend_state_destroy(struct subbackend_state *sub) { } static void multi_backend_destroy(struct wlr_backend *wlr_backend) { - struct wlr_multi_backend *backend = (struct wlr_multi_backend *)wlr_backend; + struct wlr_multi_backend *backend = multi_backend_from_backend(wlr_backend); wl_list_remove(&backend->display_destroy.link); @@ -54,7 +60,8 @@ static void multi_backend_destroy(struct wlr_backend *wlr_backend) { static struct wlr_renderer *multi_backend_get_renderer( struct wlr_backend *backend) { - struct wlr_multi_backend *multi = (struct wlr_multi_backend *)backend; + struct wlr_multi_backend *multi = multi_backend_from_backend(backend); + struct subbackend_state *sub; wl_list_for_each(sub, &multi->backends, link) { struct wlr_renderer *rend = wlr_backend_get_renderer(sub->backend); @@ -132,8 +139,7 @@ static struct subbackend_state *multi_backend_get_subbackend(struct wlr_multi_ba bool wlr_multi_backend_add(struct wlr_backend *_multi, struct wlr_backend *backend) { - assert(wlr_backend_is_multi(_multi)); - struct wlr_multi_backend *multi = (struct wlr_multi_backend *)_multi; + struct wlr_multi_backend *multi = multi_backend_from_backend(_multi); if (multi_backend_get_subbackend(multi, backend)) { // already added @@ -174,8 +180,7 @@ bool wlr_multi_backend_add(struct wlr_backend *_multi, void wlr_multi_backend_remove(struct wlr_backend *_multi, struct wlr_backend *backend) { - assert(wlr_backend_is_multi(_multi)); - struct wlr_multi_backend *multi = (struct wlr_multi_backend *)_multi; + struct wlr_multi_backend *multi = multi_backend_from_backend(_multi); struct subbackend_state *sub = multi_backend_get_subbackend(multi, backend); @@ -187,9 +192,7 @@ void wlr_multi_backend_remove(struct wlr_backend *_multi, } struct wlr_session *wlr_multi_get_session(struct wlr_backend *_backend) { - assert(wlr_backend_is_multi(_backend)); - - struct wlr_multi_backend *backend = (struct wlr_multi_backend *)_backend; + struct wlr_multi_backend *backend = multi_backend_from_backend(_backend); struct subbackend_state *sub; wl_list_for_each(sub, &backend->backends, link) { if (wlr_backend_is_drm(sub->backend)) { |