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-rw-r--r--backend/backend.c50
1 files changed, 20 insertions, 30 deletions
diff --git a/backend/backend.c b/backend/backend.c
index cd96377b..7f0de3c2 100644
--- a/backend/backend.c
+++ b/backend/backend.c
@@ -258,46 +258,46 @@ static struct wlr_backend *attempt_drm_backend(struct wl_display *display,
}
#endif
-static struct wlr_backend *attempt_backend_by_name(struct wl_display *display,
- struct wlr_backend *backend, struct wlr_session **session,
- const char *name) {
+static bool attempt_backend_by_name(struct wl_display *display,
+ struct wlr_multi_backend *multi, char *name) {
+ struct wlr_backend *backend = NULL;
if (strcmp(name, "wayland") == 0) {
- return attempt_wl_backend(display);
+ backend = attempt_wl_backend(display);
#if WLR_HAS_X11_BACKEND
} else if (strcmp(name, "x11") == 0) {
- return attempt_x11_backend(display, NULL);
+ backend = attempt_x11_backend(display, NULL);
#endif
} else if (strcmp(name, "headless") == 0) {
- return attempt_headless_backend(display);
+ backend = attempt_headless_backend(display);
} else if (strcmp(name, "noop") == 0) {
- return attempt_noop_backend(display);
+ backend = attempt_noop_backend(display);
} else if (strcmp(name, "drm") == 0 || strcmp(name, "libinput") == 0) {
// DRM and libinput need a session
- if (!*session) {
- *session = session_create_and_wait(display);
- if (!*session) {
+ if (multi->session == NULL) {
+ multi->session = session_create_and_wait(display);
+ if (multi->session == NULL) {
wlr_log(WLR_ERROR, "failed to start a session");
- return NULL;
+ return false;
}
}
if (strcmp(name, "libinput") == 0) {
#if WLR_HAS_LIBINPUT_BACKEND
- return wlr_libinput_backend_create(display, *session);
-#else
- return NULL;
+ backend = wlr_libinput_backend_create(display, multi->session);
#endif
} else {
#if WLR_HAS_DRM_BACKEND
- return attempt_drm_backend(display, backend, *session);
-#else
- return NULL;
+ // attempt_drm_backend adds the multi drm backends itself
+ return attempt_drm_backend(display, &multi->backend,
+ multi->session) != NULL;
#endif
}
+ } else {
+ wlr_log(WLR_ERROR, "unrecognized backend '%s'", name);
+ return false;
}
- wlr_log(WLR_ERROR, "unrecognized backend '%s'", name);
- return NULL;
+ return wlr_multi_backend_add(&multi->backend, backend);
}
struct wlr_backend *wlr_backend_autocreate(struct wl_display *display) {
@@ -323,17 +323,7 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_display *display) {
char *saveptr;
char *name = strtok_r(names, ",", &saveptr);
while (name != NULL) {
- struct wlr_backend *subbackend = attempt_backend_by_name(display,
- backend, &multi->session, name);
- if (subbackend == NULL) {
- wlr_log(WLR_ERROR, "failed to start backend '%s'", name);
- wlr_session_destroy(multi->session);
- wlr_backend_destroy(backend);
- free(names);
- return NULL;
- }
-
- if (!wlr_multi_backend_add(backend, subbackend)) {
+ if (!attempt_backend_by_name(display, multi, name)) {
wlr_log(WLR_ERROR, "failed to add backend '%s'", name);
wlr_session_destroy(multi->session);
wlr_backend_destroy(backend);