Documentation for <wlr/types/wlr_commit_timing_v1.h>

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struct wlr_commit_timer_v1 {
	struct wlr_commit_timing_manager_v1 *timing_manager;
	
	struct wl_resource *resource;
	struct wl_display *wl_display;
	struct wlr_addon addon;
	
	struct wlr_surface *surface;
	
	uint64_t timestamp_nsec; // holds the timestamp for the .set_timestamp protocol request
	
	struct {
		struct wlr_output *output;
		int32_t refresh;
		uint64_t base_present_nsec;
	} output;
	
	struct {
		struct wl_signal destroy;
	} events;
	
	struct wl_listener client_commit; // wlr_surface.client_commit
	struct wl_listener output_present; // wlr_output.present
	struct wl_listener output_destroy;
	
	struct wl_list commits; // timer_commit::link
	
	struct wl_list scene_link;
};

struct wlr_commit_timer_v1_commit {
	struct wlr_commit_timer_v1 *timer;
	
	/**
	 * Commits' wlr_surface pending sequence when locking through
	 * wlr_surface_lock_pending(). Used to unlock the commit when the 'unlock_timer' goes off.
	 */
	uint32_t pending_seq;
	/**
	 * Timestamp for when this commit should be presented, in nanoseconds.
	 */
	uint64_t timestamp_nsec;
	/**
	 * Timer for when this commit should be unlocked for presentation.
	 */
	struct wl_event_source *unlock_timer;
	
	struct wl_list link; // wlr_commit_timer_v1::commits
};

void wlr_commit_timer_v1_set_output(​struct wlr_commit_timer_v1 *timer, struct wlr_output *output);

struct wlr_commit_timing_manager_v1 {
	struct wl_global *global;
	
	struct wl_listener display_destroy;
	
	struct {
		struct wl_signal new_timer;
		struct wl_signal destroy;
	} events;
};

struct wlr_commit_timing_manager_v1 *wlr_commit_timing_manager_v1_create(​struct wl_display *display, uint32_t version);

struct wlr_commit_timing_manager_v1_new_timer_event {
	struct wlr_commit_timer_v1 *timer;
};

struct wlr_commit_timing_manager_v1_set_timestamp_event {
	struct wlr_commit_timer_v1_commit *commit;
};