Use infinite opaque region in swaylock

swaylock/main.c

@@ -84,6 +84,10 @@ static const struct zwlr_layer_surface_v1_listener layer_surface_listener;
 static cairo_surface_t *select_image(struct swaylock_state *state,
 		struct swaylock_surface *surface);
 
+static bool image_is_opaque(cairo_surface_t *image) {
+	return cairo_surface_get_content(image) == CAIRO_CONTENT_COLOR;
+}
+
 static void create_layer_surface(struct swaylock_surface *surface) {
 	struct swaylock_state *state = surface->state;
 
@@ -108,30 +112,26 @@ static void create_layer_surface(struct swaylock_surface *surface) {
 			surface->layer_surface, true);
 	zwlr_layer_surface_v1_add_listener(surface->layer_surface,
 			&layer_surface_listener, surface);
-	wl_surface_commit(surface->surface);
-}
-
-static bool image_is_opaque(cairo_surface_t *image) {
-	return cairo_surface_get_content(image) == CAIRO_CONTENT_COLOR;
-}
-
-static void layer_surface_configure(void *data,
-		struct zwlr_layer_surface_v1 *layer_surface,
-		uint32_t serial, uint32_t width, uint32_t height) {
-	struct swaylock_surface *surface = data;
-	surface->width = width;
-	surface->height = height;
 
 	if (image_is_opaque(surface->image) &&
 			surface->state->args.mode != BACKGROUND_MODE_CENTER &&
 			surface->state->args.mode != BACKGROUND_MODE_FIT) {
 		struct wl_region *region =
 			wl_compositor_create_region(surface->state->compositor);
-		wl_region_add(region, 0, 0, width, height);
+		wl_region_add(region, 0, 0, INT32_MAX, INT32_MAX);
 		wl_surface_set_opaque_region(surface->surface, region);
 		wl_region_destroy(region);
 	}
 
+	wl_surface_commit(surface->surface);
+}
+
+static void layer_surface_configure(void *data,
+		struct zwlr_layer_surface_v1 *layer_surface,
+		uint32_t serial, uint32_t width, uint32_t height) {
+	struct swaylock_surface *surface = data;
+	surface->width = width;
+	surface->height = height;
 	zwlr_layer_surface_v1_ack_configure(layer_surface, serial);
 	render_frame(surface);
 }