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-rw-r--r--backend/drm/backend.c4
-rw-r--r--backend/libinput/backend.c4
-rw-r--r--backend/multi/backend.c9
3 files changed, 13 insertions, 4 deletions
diff --git a/backend/drm/backend.c b/backend/drm/backend.c
index a2c9dff3..a84130ee 100644
--- a/backend/drm/backend.c
+++ b/backend/drm/backend.c
@@ -52,6 +52,10 @@ static struct wlr_backend_impl backend_impl = {
.get_egl = wlr_drm_backend_get_egl
};
+bool wlr_backend_is_drm(struct wlr_backend *b) {
+ return b->impl == &backend_impl;
+}
+
static void session_signal(struct wl_listener *listener, void *data) {
struct wlr_drm_backend *backend =
wl_container_of(listener, backend, session_signal);
diff --git a/backend/libinput/backend.c b/backend/libinput/backend.c
index 44a1a4a9..18e4826c 100644
--- a/backend/libinput/backend.c
+++ b/backend/libinput/backend.c
@@ -103,6 +103,10 @@ static struct wlr_backend_impl backend_impl = {
.destroy = wlr_libinput_backend_destroy
};
+bool wlr_backend_is_libinput(struct wlr_backend *b) {
+ return b->impl == &backend_impl;
+}
+
static void session_signal(struct wl_listener *listener, void *data) {
struct wlr_libinput_backend *backend = wl_container_of(listener, backend, session_signal);
struct wlr_session *session = data;
diff --git a/backend/multi/backend.c b/backend/multi/backend.c
index 99cf3db9..94b7dd60 100644
--- a/backend/multi/backend.c
+++ b/backend/multi/backend.c
@@ -1,3 +1,4 @@
+#include <assert.h>
#include <stdbool.h>
#include <stdlib.h>
#include <wlr/backend/interface.h>
@@ -111,6 +112,8 @@ static void output_remove_reemit(struct wl_listener *listener, void *data) {
void wlr_multi_backend_add(struct wlr_backend *_multi,
struct wlr_backend *backend) {
+ assert(wlr_backend_is_multi(backend));
+
struct wlr_multi_backend *multi = (struct wlr_multi_backend *)_multi;
struct subbackend_state *sub = calloc(1, sizeof(struct subbackend_state));
sub->backend = backend;
@@ -135,10 +138,8 @@ void wlr_multi_backend_add(struct wlr_backend *_multi,
}
struct wlr_session *wlr_multi_get_session(struct wlr_backend *_backend) {
- // TODO: assert(wlr_backend_is_multi(_backend));
- if (_backend->impl != &backend_impl) {
- return NULL;
- }
+ assert(wlr_backend_is_multi(_backend));
+
struct wlr_multi_backend *backend = (struct wlr_multi_backend *)_backend;
return backend->session;
}