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backend/wayland: add proper error handling to wlr_wl_backend_create

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emersion 2018-04-28 12:38:03 +01:00
parent 4d7877420d
commit 57c36ddcb3
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GPG key ID: 0FDE7BE0E88F5E48
1 changed files with 21 additions and 6 deletions
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27
backend/wayland/backend.c
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@ -176,7 +176,8 @@ static void handle_display_destroy(struct wl_listener *listener, void *data) {
backend_destroy(&backend->backend); backend_destroy(&backend->backend);
} }
struct wlr_backend *wlr_wl_backend_create(struct wl_display *display, const char *remote) { struct wlr_backend *wlr_wl_backend_create(struct wl_display *display,
const char *remote) {
wlr_log(L_INFO, "Creating wayland backend"); wlr_log(L_INFO, "Creating wayland backend");
struct wlr_wl_backend *backend = calloc(1, sizeof(struct wlr_wl_backend)); struct wlr_wl_backend *backend = calloc(1, sizeof(struct wlr_wl_backend));
@ -194,26 +195,40 @@ struct wlr_backend *wlr_wl_backend_create(struct wl_display *display, const char
backend->remote_display = wl_display_connect(remote); backend->remote_display = wl_display_connect(remote);
if (!backend->remote_display) { if (!backend->remote_display) {
wlr_log_errno(L_ERROR, "Could not connect to remote display"); wlr_log_errno(L_ERROR, "Could not connect to remote display");
return false; goto error_connect;
} }
backend->registry = wl_display_get_registry(backend->remote_display); backend->registry = wl_display_get_registry(backend->remote_display);
if (backend->registry == NULL) { if (backend->registry == NULL) {
wlr_log_errno(L_ERROR, "Could not obtain reference to remote registry"); wlr_log_errno(L_ERROR, "Could not obtain reference to remote registry");
return false; goto error_registry;
} }
wlr_egl_init(&backend->egl, EGL_PLATFORM_WAYLAND_EXT, if (!wlr_egl_init(&backend->egl, EGL_PLATFORM_WAYLAND_EXT,
backend->remote_display, NULL, WL_SHM_FORMAT_ARGB8888); backend->remote_display, NULL, WL_SHM_FORMAT_ARGB8888)) {
wlr_log(L_ERROR, "Could not initialize EGL");
goto error_egl;
}
wlr_egl_bind_display(&backend->egl, backend->local_display); wlr_egl_bind_display(&backend->egl, backend->local_display);
backend->renderer = wlr_gles2_renderer_create(&backend->egl); backend->renderer = wlr_gles2_renderer_create(&backend->egl);
if (backend->renderer == NULL) { if (backend->renderer == NULL) {
wlr_log_errno(L_ERROR, "Could not create renderer"); wlr_log(L_ERROR, "Could not create renderer");
goto error_renderer;
} }
backend->local_display_destroy.notify = handle_display_destroy; backend->local_display_destroy.notify = handle_display_destroy;
wl_display_add_destroy_listener(display, &backend->local_display_destroy); wl_display_add_destroy_listener(display, &backend->local_display_destroy);
return &backend->backend; return &backend->backend;
error_renderer:
wlr_egl_finish(&backend->egl);
error_egl:
wl_registry_destroy(backend->registry);
error_registry:
wl_display_disconnect(backend->remote_display);
error_connect:
free(backend);
return NULL;
} }