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#include <stdlib.h>
#include <stdint.h>
#include <wayland-server.h>
#include <assert.h>
#include "backend/wayland.h"
#include "common/log.h"
void wlr_wl_backend_free(struct wlr_wl_backend *backend) {
if (!backend) {
return;
}
// TODO: Free surfaces
for (size_t i = 0; backend->outputs && i < backend->outputs->length; ++i) {
struct wlr_wl_output *output = backend->outputs->items[i];
wlr_wl_output_free(output);
}
list_free(backend->outputs);
if (backend->seat) wlr_wl_seat_free(backend->seat);
if (backend->shm) wl_shm_destroy(backend->shm);
if (backend->shell) wl_shell_destroy(backend->shell);
if (backend->compositor) wl_compositor_destroy(backend->compositor);
if (backend->registry) wl_registry_destroy(backend->registry);
if (backend->remote_display) wl_display_disconnect(backend->remote_display);
free(backend);
}
/*
* Initializes the wayland backend. Opens a connection to a remote wayland
* compositor and creates surfaces for each output, then registers globals on
* the specified display.
*/
struct wlr_wl_backend *wlr_wl_backend_init(
struct wl_display *display, size_t outputs) {
assert(display);
struct wlr_wl_backend *backend;
if (!(backend = calloc(sizeof(struct wlr_wl_backend), 1))) {
wlr_log(L_ERROR, "Could not allocate backend");
goto error;
}
if (!(backend->outputs = list_create())) {
wlr_log(L_ERROR, "Could not allocate output list");
goto error;
}
backend->local_display = display;
backend->remote_display = wl_display_connect(getenv("_WAYLAND_DISPLAY"));
if (!backend->remote_display) {
wlr_log(L_ERROR, "Could not connect to remote display");
goto error;
}
if (!(backend->registry = wl_display_get_registry(backend->remote_display))) {
wlr_log(L_ERROR, "Could not obtain reference to remote registry");
goto error;
}
wlr_wlb_registry_poll(backend);
return backend;
error:
wlr_wl_backend_free(backend);
return NULL;
}
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