wlroots-hyprland/include/wlr/types/wlr_surface.h

#ifndef _WLR_TYPES_WLR_SURFACE_H
#define _WLR_TYPES_WLR_SURFACE_H

#include <wayland-server.h>

struct wlr_frame_callback {
	struct wl_resource *resource;
	struct wl_list link;
};

struct wlr_surface {
	struct wl_resource *pending_buffer;
	bool pending_attached;
	bool attached; // whether the surface currently has a buffer attached

	struct wlr_texture *texture;
	const char *role; // the lifetime-bound role or null
	struct wl_resource *resource;

	struct {
		struct wl_signal destroy;
		struct wl_signal commit;
	} signals;

	struct wl_list frame_callback_list; // wl_surface.frame
};

struct wlr_renderer;
struct wlr_surface *wlr_surface_create(struct wl_resource *res,
		struct wlr_renderer *renderer);

#endif