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-rw-r--r--include/wlr/types/wlr_scene.h1
-rw-r--r--types/scene/wlr_scene.c3
2 files changed, 4 insertions, 0 deletions
diff --git a/include/wlr/types/wlr_scene.h b/include/wlr/types/wlr_scene.h
index e45a3ee0..e3e56cf7 100644
--- a/include/wlr/types/wlr_scene.h
+++ b/include/wlr/types/wlr_scene.h
@@ -131,6 +131,7 @@ struct wlr_scene_buffer {
struct wlr_buffer *buffer;
struct {
+ struct wl_signal outputs_update;
struct wl_signal output_enter; // struct wlr_scene_output
struct wl_signal output_leave; // struct wlr_scene_output
struct wl_signal output_present; // struct wlr_scene_output
diff --git a/types/scene/wlr_scene.c b/types/scene/wlr_scene.c
index e9857dc3..04fa292f 100644
--- a/types/scene/wlr_scene.c
+++ b/types/scene/wlr_scene.c
@@ -370,6 +370,8 @@ static void update_node_update_outputs(struct wlr_scene_node *node,
// if there are active outputs on this node, we should always have a primary
// output
assert(!scene_buffer->active_outputs || scene_buffer->primary_output);
+
+ wl_signal_emit_mutable(&scene_buffer->events.outputs_update, NULL);
}
static bool scene_node_update_iterator(struct wlr_scene_node *node,
@@ -548,6 +550,7 @@ struct wlr_scene_buffer *wlr_scene_buffer_create(struct wlr_scene_tree *parent,
scene_buffer->buffer = wlr_buffer_lock(buffer);
}
+ wl_signal_init(&scene_buffer->events.outputs_update);
wl_signal_init(&scene_buffer->events.output_enter);
wl_signal_init(&scene_buffer->events.output_leave);
wl_signal_init(&scene_buffer->events.output_present);