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-rw-r--r--include/wlr/types/wlr_scene.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/wlr/types/wlr_scene.h b/include/wlr/types/wlr_scene.h
index 99d6ca61..a4d05274 100644
--- a/include/wlr/types/wlr_scene.h
+++ b/include/wlr/types/wlr_scene.h
@@ -117,6 +117,14 @@ struct wlr_scene_buffer {
struct wl_signal output_present; // struct wlr_scene_output
} events;
+ /**
+ * The output that the largest area of this buffer is displayed on.
+ * This may be NULL if the buffer is not currently displayed on any
+ * outputs. This is the output that should be used for frame callbacks,
+ * presentation feedback, etc.
+ */
+ struct wlr_scene_output *primary_output;
+
// private state
uint64_t active_outputs;