output: take wl_display in wlr_output_create_global()

Currently wlr_output holds a wl_display, but it will go away soon.
Instead of relying on that field in wlr_output_create_global(),
make the dependency explicit by taking a wl_display as argument.

examples/fullscreen-shell.c

@@ -163,7 +163,7 @@ static void server_handle_new_output(struct wl_listener *listener, void *data) {
 	wl_list_insert(&server->outputs, &output->link);
 
 	wlr_output_layout_add_auto(server->output_layout, wlr_output);
-	wlr_output_create_global(wlr_output);
+	wlr_output_create_global(wlr_output, server->wl_display);
 
 	struct wlr_output_state state;
 	wlr_output_state_init(&state);

examples/output-layers.c

@@ -184,7 +184,7 @@ static void server_handle_new_output(struct wl_listener *listener, void *data) {
 	wlr_output_commit_state(wlr_output, &state);
 	wlr_output_state_finish(&state);
 
-	wlr_output_create_global(wlr_output);
+	wlr_output_create_global(wlr_output, server->wl_display);
 }
 
 static void output_surface_handle_destroy(struct wl_listener *listener,

examples/scene-graph.c

@@ -90,7 +90,7 @@ static void server_handle_new_output(struct wl_listener *listener, void *data) {
 	wlr_output_commit_state(wlr_output, &state);
 	wlr_output_state_finish(&state);
 
-	wlr_output_create_global(wlr_output);
+	wlr_output_create_global(wlr_output, server->display);
 }
 
 static void surface_handle_commit(struct wl_listener *listener, void *data) {

include/wlr/types/wlr_output.h

@@ -279,7 +279,7 @@ struct wlr_surface;
  * wlr_output_commit().
  */
 void wlr_output_enable(struct wlr_output *output, bool enable);
-void wlr_output_create_global(struct wlr_output *output);
+void wlr_output_create_global(struct wlr_output *output, struct wl_display *display);
 void wlr_output_destroy_global(struct wlr_output *output);
 /**
  * Initialize the output's rendering subsystem with the provided allocator and

types/output/output.c

@@ -128,11 +128,11 @@ static void output_bind(struct wl_client *wl_client, void *data,
 	wl_signal_emit_mutable(&output->events.bind, &evt);
 }
 
-void wlr_output_create_global(struct wlr_output *output) {
+void wlr_output_create_global(struct wlr_output *output, struct wl_display *display) {
 	if (output->global != NULL) {
 		return;
 	}
-	output->global = wl_global_create(output->display,
+	output->global = wl_global_create(display,
 		&wl_output_interface, OUTPUT_VERSION, output, output_bind);
 	if (output->global == NULL) {
 		wlr_log(WLR_ERROR, "Failed to allocate wl_output global");

types/wlr_output_layout.c

@@ -115,10 +115,11 @@ static void output_layout_reconfigure(struct wlr_output_layout *layout) {
 	wl_signal_emit_mutable(&layout->events.change, layout);
 }
 
-static void output_update_global(struct wlr_output *output) {
+static void output_update_global(struct wlr_output_layout *layout,
+		struct wlr_output *output) {
 	// Don't expose the output if it doesn't have a current mode
 	if (wl_list_empty(&output->modes) || output->current_mode != NULL) {
-		wlr_output_create_global(output);
+		wlr_output_create_global(output, layout->display);
 	} else {
 		wlr_output_destroy_global(output);
 	}
@@ -133,7 +134,7 @@ static void handle_output_commit(struct wl_listener *listener, void *data) {
 			WLR_OUTPUT_STATE_TRANSFORM |
 			WLR_OUTPUT_STATE_MODE)) {
 		output_layout_reconfigure(l_output->layout);
-		output_update_global(l_output->output);
+		output_update_global(l_output->layout, l_output->output);
 	}
 }
 
@@ -193,7 +194,7 @@ static struct wlr_output_layout_output *output_layout_add(struct wlr_output_layo
 	l_output->auto_configured = auto_configured;
 
 	output_layout_reconfigure(layout);
-	output_update_global(output);
+	output_update_global(layout, output);
 
 	if (is_new) {
 		wl_signal_emit_mutable(&layout->events.add, l_output);