9 files changed, 75 insertions, 0 deletions
diff --git a/include/wlr/backend/drm.h b/include/wlr/backend/drm.h
index 7f41ca15..5d47647d 100644
--- a/include/wlr/backend/drm.h
+++ b/include/wlr/backend/drm.h
@@ -1,3 +1,11 @@
+/*
+ * This an unstable interface of wlroots. No guarantees are made regarding the
+ * future consistency of this API.
+ */
+#ifndef WLR_USE_UNSTABLE
+#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
+#endif
+
 #ifndef WLR_BACKEND_DRM_H
 #define WLR_BACKEND_DRM_H
 
@@ -20,6 +28,12 @@ struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
 bool wlr_backend_is_drm(struct wlr_backend *backend);
 bool wlr_output_is_drm(struct wlr_output *output);
 
+/**
+ * Add mode to the list of available modes
+ */
+typedef struct _drmModeModeInfo drmModeModeInfo;
+bool wlr_drm_connector_add_mode(struct wlr_output *output, const drmModeModeInfo *mode);
+
 struct wlr_session *wlr_drm_backend_get_session(struct wlr_backend *backend);
 
 #endif
diff --git a/include/wlr/backend/headless.h b/include/wlr/backend/headless.h
index 02c7cd11..eab102e2 100644
--- a/include/wlr/backend/headless.h
+++ b/include/wlr/backend/headless.h
@@ -1,3 +1,11 @@
+/*
+ * This an unstable interface of wlroots. No guarantees are made regarding the
+ * future consistency of this API.
+ */
+#ifndef WLR_USE_UNSTABLE
+#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
+#endif
+
 #ifndef WLR_BACKEND_HEADLESS_H
 #define WLR_BACKEND_HEADLESS_H
 
diff --git a/include/wlr/backend/interface.h b/include/wlr/backend/interface.h
index 42b39a16..f3dee69b 100644
--- a/include/wlr/backend/interface.h
+++ b/include/wlr/backend/interface.h
@@ -1,3 +1,11 @@
+/*
+ * This an unstable interface of wlroots. No guarantees are made regarding the
+ * future consistency of this API.
+ */
+#ifndef WLR_USE_UNSTABLE
+#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
+#endif
+
 #ifndef WLR_BACKEND_INTERFACE_H
 #define WLR_BACKEND_INTERFACE_H
 
diff --git a/include/wlr/backend/libinput.h b/include/wlr/backend/libinput.h
index 92d31415..1a2ab294 100644
--- a/include/wlr/backend/libinput.h
+++ b/include/wlr/backend/libinput.h
@@ -1,3 +1,11 @@
+/*
+ * This an unstable interface of wlroots. No guarantees are made regarding the
+ * future consistency of this API.
+ */
+#ifndef WLR_USE_UNSTABLE
+#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
+#endif
+
 #ifndef WLR_BACKEND_LIBINPUT_H
 #define WLR_BACKEND_LIBINPUT_H
 
diff --git a/include/wlr/backend/meson.build b/include/wlr/backend/meson.build
new file mode 100644
index 00000000..e005b854
--- /dev/null
+++ b/include/wlr/backend/meson.build
@@ -0,0 +1,16 @@
+install_headers(
+	'drm.h',
+	'headless.h',
+	'interface.h',
+	'libinput.h',
+	'multi.h',
+	'session.h',
+	'wayland.h',
+	subdir: 'wlr/backend',
+)
+
+if conf_data.get('WLR_HAS_X11_BACKEND', false)
+	install_headers('x11.h', subdir: 'wlr/backend')
+endif
+
+subdir('session')
diff --git a/include/wlr/backend/multi.h b/include/wlr/backend/multi.h
index 1e04dba4..7137b075 100644
--- a/include/wlr/backend/multi.h
+++ b/include/wlr/backend/multi.h
@@ -1,3 +1,11 @@
+/*
+ * This an unstable interface of wlroots. No guarantees are made regarding the
+ * future consistency of this API.
+ */
+#ifndef WLR_USE_UNSTABLE
+#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
+#endif
+
 #ifndef WLR_BACKEND_MULTI_H
 #define WLR_BACKEND_MULTI_H
 
diff --git a/include/wlr/backend/session.h b/include/wlr/backend/session.h
index 1cf41939..7b26f34c 100644
--- a/include/wlr/backend/session.h
+++ b/include/wlr/backend/session.h
@@ -39,6 +39,10 @@ struct wlr_session {
 	struct wl_list devices;
 
 	struct wl_listener display_destroy;
+
+	struct {
+		struct wl_signal destroy;
+	} events;
 };
 
 /*
diff --git a/include/wlr/backend/session/interface.h b/include/wlr/backend/session/interface.h
index b35ed71d..5ccf9c8a 100644
--- a/include/wlr/backend/session/interface.h
+++ b/include/wlr/backend/session/interface.h
@@ -1,3 +1,11 @@
+/*
+ * This an unstable interface of wlroots. No guarantees are made regarding the
+ * future consistency of this API.
+ */
+#ifndef WLR_USE_UNSTABLE
+#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
+#endif
+
 #ifndef WLR_BACKEND_SESSION_INTERFACE_H
 #define WLR_BACKEND_SESSION_INTERFACE_H
 
diff --git a/include/wlr/backend/session/meson.build b/include/wlr/backend/session/meson.build
new file mode 100644
index 00000000..21b5a96b
--- /dev/null
+++ b/include/wlr/backend/session/meson.build
@@ -0,0 +1 @@
+install_headers('interface.h', subdir: 'wlr/backend/session')