Revert "desktop-shell: Enable per-output fade animations"

This reverts commit fde5adbedb.

(Accidental landing)

desktop-shell/shell.c

@@ -194,9 +194,6 @@ surface_rotate(struct shell_surface *surface, struct weston_pointer *pointer);
 static void
 shell_fade_startup(struct desktop_shell *shell);
 
-static void
-shell_fade(struct desktop_shell *shell, enum fade_type type);
-
 static struct shell_seat *
 get_shell_seat(struct weston_seat *seat);
 
@@ -2787,6 +2784,9 @@ static const struct weston_desktop_api shell_desktop_api = {
 /* ************************ *
  * end of libweston-desktop *
  * ************************ */
+static void
+shell_fade(struct desktop_shell *shell, enum fade_type type);
+
 static void
 configure_static_view(struct weston_view *ev, struct weston_layer *layer)
 {
@@ -3770,16 +3770,16 @@ unlock(struct desktop_shell *shell)
 }
 
 static void
-shell_fade_done_for_output(struct weston_view_animation *animation, void *data)
+shell_fade_done(struct weston_view_animation *animation, void *data)
 {
-	struct shell_output *shell_output = data;
+	struct desktop_shell *shell = data;
-	struct desktop_shell *shell = shell_output->shell;
+
+	shell->fade.animation = NULL;
 
-	shell_output->fade.animation = NULL;
+	switch (shell->fade.type) {
-	switch (shell_output->fade.type) {
 	case FADE_IN:
-		weston_surface_destroy(shell_output->fade.view->surface);
+		weston_surface_destroy(shell->fade.view->surface);
-		shell_output->fade.view = NULL;
+		shell->fade.view = NULL;
 		break;
 	case FADE_OUT:
 		lock(shell);
@@ -3790,7 +3790,7 @@ shell_fade_done_for_output(struct weston_view_animation *animation, void *data)
 }
 
 static struct weston_view *
-shell_fade_create_surface_for_output(struct desktop_shell *shell, struct shell_output *shell_output)
+shell_fade_create_surface(struct desktop_shell *shell)
 {
 	struct weston_compositor *compositor = shell->compositor;
 	struct weston_surface *surface;
@@ -3806,8 +3806,8 @@ shell_fade_create_surface_for_output(struct desktop_shell *shell, struct shell_o
 		return NULL;
 	}
 
-	weston_surface_set_size(surface, shell_output->output->width, shell_output->output->height);
+	weston_surface_set_size(surface, 8192, 8192);
-	weston_view_set_position(view, shell_output->output->x, shell_output->output->y);
+	weston_view_set_position(view, 0, 0);
 	weston_surface_set_color(surface, 0.0, 0.0, 0.0, 1.0);
 	weston_layer_entry_insert(&compositor->fade_layer.view_list,
 				  &view->layer_link);
@@ -3822,7 +3822,6 @@ static void
 shell_fade(struct desktop_shell *shell, enum fade_type type)
 {
 	float tint;
-	struct shell_output *shell_output;
 
 	switch (type) {
 	case FADE_IN:
@@ -3832,38 +3831,36 @@ shell_fade(struct desktop_shell *shell, enum fade_type type)
 		tint = 1.0;
 		break;
 	default:
+		weston_log("shell: invalid fade type\n");
 		return;
 	}
 
-	/* Create a separate fade surface for each output */
+	shell->fade.type = type;
-	wl_list_for_each(shell_output, &shell->output_list, link) {
-		shell_output->fade.type = type;
 
-		if (shell_output->fade.view == NULL) {
+	if (shell->fade.view == NULL) {
-			shell_output->fade.view = shell_fade_create_surface_for_output(shell, shell_output);
+		shell->fade.view = shell_fade_create_surface(shell);
-			if (!shell_output->fade.view)
+		if (!shell->fade.view)
 			return;
 
-			shell_output->fade.view->alpha = 1.0 - tint;
+		shell->fade.view->alpha = 1.0 - tint;
-			weston_view_update_transform(shell_output->fade.view);
+		weston_view_update_transform(shell->fade.view);
 	}
 
-		if (shell_output->fade.view->output == NULL) {
+	if (shell->fade.view->output == NULL) {
 		/* If the black view gets a NULL output, we lost the
 		 * last output and we'll just cancel the fade.  This
 		 * happens when you close the last window under the
 		 * X11 or Wayland backends. */
 		shell->locked = false;
-			weston_surface_destroy(shell_output->fade.view->surface);
+		weston_surface_destroy(shell->fade.view->surface);
-			shell_output->fade.view = NULL;
+		shell->fade.view = NULL;
-		} else if (shell_output->fade.animation) {
+	} else if (shell->fade.animation) {
-			weston_fade_update(shell_output->fade.animation, tint);
+		weston_fade_update(shell->fade.animation, tint);
 	} else {
-			shell_output->fade.animation =
+		shell->fade.animation =
-				weston_fade_run(shell_output->fade.view,
+			weston_fade_run(shell->fade.view,
 					1.0 - tint, tint, 300.0,
-						shell_fade_done_for_output, shell_output);
+					shell_fade_done, shell);
-		}
 	}
 }
 
@@ -3871,7 +3868,6 @@ static void
 do_shell_fade_startup(void *data)
 {
 	struct desktop_shell *shell = data;
-	struct shell_output *shell_output;
 
 	if (shell->startup_animation_type == ANIMATION_FADE) {
 		shell_fade(shell, FADE_IN);
@@ -3879,10 +3875,8 @@ do_shell_fade_startup(void *data)
 		weston_log("desktop shell: "
 			   "unexpected fade-in animation type %d\n",
 			   shell->startup_animation_type);
-		wl_list_for_each(shell_output, &shell->output_list, link) {
+		weston_surface_destroy(shell->fade.view->surface);
-			weston_surface_destroy(shell_output->fade.view->surface);
+		shell->fade.view = NULL;
-			shell_output->fade.view = NULL;
-		}
 	}
 }
 
@@ -3890,22 +3884,15 @@ static void
 shell_fade_startup(struct desktop_shell *shell)
 {
 	struct wl_event_loop *loop;
-	struct shell_output *shell_output;
-	bool has_fade = false;
 
-	wl_list_for_each(shell_output, &shell->output_list, link) {
+	if (!shell->fade.startup_timer)
-		if (!shell_output->fade.startup_timer)
+		return;
-			continue;
 
-		wl_event_source_remove(shell_output->fade.startup_timer);
+	wl_event_source_remove(shell->fade.startup_timer);
-		shell_output->fade.startup_timer = NULL;
+	shell->fade.startup_timer = NULL;
-		has_fade = true;
-	}
 
-	if (has_fade) {
 	loop = wl_display_get_event_loop(shell->compositor->wl_display);
 	wl_event_loop_add_idle(loop, do_shell_fade_startup, shell);
-	}
 }
 
 static int
@@ -3926,30 +3913,27 @@ shell_fade_init(struct desktop_shell *shell)
 	 */
 
 	struct wl_event_loop *loop;
-	struct shell_output *shell_output;
-
-	if (shell->startup_animation_type == ANIMATION_NONE)
-		return;
 
-	wl_list_for_each(shell_output, &shell->output_list, link) {
+	if (shell->fade.view != NULL) {
-		if (shell_output->fade.view != NULL) {
 		weston_log("%s: warning: fade surface already exists\n",
 			   __func__);
-			continue;
+		return;
 	}
 
-		shell_output->fade.view = shell_fade_create_surface_for_output(shell, shell_output);
+	if (shell->startup_animation_type == ANIMATION_NONE)
-		if (!shell_output->fade.view)
 		return;
 
-		weston_view_update_transform(shell_output->fade.view);
+	shell->fade.view = shell_fade_create_surface(shell);
-		weston_surface_damage(shell_output->fade.view->surface);
+	if (!shell->fade.view)
+		return;
+
+	weston_view_update_transform(shell->fade.view);
+	weston_surface_damage(shell->fade.view->surface);
 
 	loop = wl_display_get_event_loop(shell->compositor->wl_display);
-		shell_output->fade.startup_timer =
+	shell->fade.startup_timer =
 		wl_event_loop_add_timer(loop, fade_startup_timeout, shell);
-		wl_event_source_timer_update(shell_output->fade.startup_timer, 15000);
+	wl_event_source_timer_update(shell->fade.startup_timer, 15000);
-	}
 }
 
 static void
@@ -3964,7 +3948,7 @@ idle_handler(struct wl_listener *listener, void *data)
 		weston_seat_break_desktop_grabs(seat);
 
 	shell_fade(shell, FADE_OUT);
-	/* lock() is called from shell_fade_done_for_output() */
+	/* lock() is called from shell_fade_done() */
 }
 
 static void

desktop-shell/shell.h

@@ -122,13 +122,6 @@ struct shell_output {
 
 	struct weston_surface *background_surface;
 	struct wl_listener background_surface_listener;
-
-	struct {
-		struct weston_view *view;
-		struct weston_view_animation *animation;
-		enum fade_type type;
-		struct wl_event_source *startup_timer;
-	} fade;
 };
 
 struct weston_desktop;
@@ -199,6 +192,13 @@ struct desktop_shell {
 		struct wl_list surfaces;
 	} input_panel;
 
+	struct {
+		struct weston_view *view;
+		struct weston_view_animation *animation;
+		enum fade_type type;
+		struct wl_event_source *startup_timer;
+	} fade;
+
 	struct exposay exposay;
 
 	bool allow_zap;