backend/drm: destroy when parent is destroyed
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e804de923d
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@ -50,6 +50,7 @@ static void backend_destroy(struct wlr_backend *backend) {
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wl_list_remove(&drm->display_destroy.link);
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wl_list_remove(&drm->session_destroy.link);
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wl_list_remove(&drm->session_active.link);
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wl_list_remove(&drm->parent_destroy.link);
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wl_list_remove(&drm->dev_change.link);
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finish_drm_resources(drm);
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@ -144,6 +145,12 @@ static void handle_display_destroy(struct wl_listener *listener, void *data) {
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backend_destroy(&drm->backend);
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}
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static void handle_parent_destroy(struct wl_listener *listener, void *data) {
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struct wlr_drm_backend *drm =
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wl_container_of(listener, drm, parent_destroy);
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backend_destroy(&drm->backend);
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}
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struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
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struct wlr_session *session, struct wlr_device *dev,
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struct wlr_backend *parent) {
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@ -169,16 +176,22 @@ struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
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drm->dev = dev;
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drm->fd = dev->fd;
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drm->name = name;
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if (parent != NULL) {
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drm->parent = get_drm_backend_from_backend(parent);
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drm->parent_destroy.notify = handle_parent_destroy;
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wl_signal_add(&parent->events.destroy, &drm->parent_destroy);
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} else {
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wl_list_init(&drm->parent_destroy.link);
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}
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drm->dev_change.notify = handle_dev_change;
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wl_signal_add(&dev->events.change, &drm->dev_change);
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drm->display = display;
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struct wl_event_loop *event_loop = wl_display_get_event_loop(display);
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struct wl_event_loop *event_loop = wl_display_get_event_loop(display);
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drm->drm_event = wl_event_loop_add_fd(event_loop, drm->fd,
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WL_EVENT_READABLE, handle_drm_event, NULL);
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if (!drm->drm_event) {
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@ -86,6 +86,7 @@ struct wlr_drm_backend {
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struct wl_listener display_destroy;
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struct wl_listener session_destroy;
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struct wl_listener session_active;
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struct wl_listener parent_destroy;
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struct wl_listener dev_change;
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struct wl_list fbs; // wlr_drm_fb.link
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