wlroots/include/wlr/backend/interface.h
Simon Ser 3b3640dda4 backend: add wlr_backend.event_loop
Many objects depending on wlr_backend need access to the event
loop. Storing it here will simplify wlr_output when combined
with [1], and will allow wlr_renderer_autocreate() to have access
to the event loop.

[1]: https://gitlab.freedesktop.org/wlroots/wlroots/-/merge_requests/4310
2023-12-04 11:35:35 +01:00

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C

/*
* 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_backend_impl {
bool (*start)(struct wlr_backend *backend);
void (*destroy)(struct wlr_backend *backend);
int (*get_drm_fd)(struct wlr_backend *backend);
uint32_t (*get_buffer_caps)(struct wlr_backend *backend);
};
/**
* 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, struct wl_event_loop *loop);
/**
* Emit the destroy event and clean up common backend state.
*/
void wlr_backend_finish(struct wlr_backend *backend);
#endif