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/*
* 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
#include <stdbool.h>
#include <wlr/backend.h>
struct wlr_output_state;
struct wlr_backend_impl {
bool (*start)(struct wlr_backend *backend);
void (*destroy)(struct wlr_backend *backend);
int (*get_drm_fd)(struct wlr_backend *backend);
bool (*test)(struct wlr_backend *backend,
const struct wlr_backend_output_state *states, size_t states_len);
bool (*commit)(struct wlr_backend *backend,
const struct wlr_backend_output_state *states, size_t states_len);
};
/**
* Initializes common state on a struct wlr_backend and sets the implementation
* to the provided struct wlr_backend_impl reference.
*/
void wlr_backend_init(struct wlr_backend *backend,
const struct wlr_backend_impl *impl);
/**
* Emit the destroy event and clean up common backend state.
*/
void wlr_backend_finish(struct wlr_backend *backend);
#endif
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