diff --git a/include/sway/tree/container.h b/include/sway/tree/container.h
index f0d0b3ce..543bd2cc 100644
--- a/include/sway/tree/container.h
+++ b/include/sway/tree/container.h
@@ -88,9 +88,16 @@ struct sway_container {
 	double saved_x, saved_y;
 	double saved_width, saved_height;
 
+	// These are in layout coordinates.
 	double content_x, content_y;
 	int content_width, content_height;
 
+	// In most cases this is the same as the content x and y, but if the view
+	// refuses to resize to the content dimensions then it can be smaller.
+	// These are in layout coordinates.
+	double surface_x, surface_y;
+	double surface_width, surface_height;
+
 	enum sway_fullscreen_mode fullscreen_mode;
 
 	enum sway_container_border border;
diff --git a/sway/desktop/render.c b/sway/desktop/render.c
index fa27500e..9102dc34 100644
--- a/sway/desktop/render.c
+++ b/sway/desktop/render.c
@@ -204,9 +204,9 @@ static void render_view_toplevels(struct sway_view *view,
 		.alpha = alpha,
 	};
 	// Render all toplevels without descending into popups
-	double ox = view->container->current.content_x -
+	double ox = view->container->surface_x -
 		output->wlr_output->lx - view->geometry.x;
-	double oy = view->container->current.content_y -
+	double oy = view->container->surface_y -
 		output->wlr_output->ly - view->geometry.y;
 	output_surface_for_each_surface(output, view->surface, ox, oy,
 			render_surface_iterator, &data);
@@ -240,9 +240,9 @@ static void render_saved_view(struct sway_view *view,
 		return;
 	}
 	struct wlr_box box = {
-		.x = view->container->current.content_x - output->wlr_output->lx -
+		.x = view->container->surface_x - output->wlr_output->lx -
 			view->saved_geometry.x,
-		.y = view->container->current.content_y - output->wlr_output->ly -
+		.y = view->container->surface_y - output->wlr_output->ly -
 			view->saved_geometry.y,
 		.width = view->saved_buffer_width,
 		.height = view->saved_buffer_height,
@@ -1004,7 +1004,6 @@ void output_render(struct sway_output *output, struct timespec *when,
 			wlr_renderer_clear(renderer, clear_color);
 		}
 
-		// TODO: handle views smaller than the output
 		if (fullscreen_con->view) {
 			if (fullscreen_con->view->saved_buffer) {
 				render_saved_view(fullscreen_con->view, output, damage, 1.0f);
diff --git a/sway/desktop/transaction.c b/sway/desktop/transaction.c
index 9155f0a1..e0c3a5d1 100644
--- a/sway/desktop/transaction.c
+++ b/sway/desktop/transaction.c
@@ -249,6 +249,26 @@ static void apply_container_state(struct sway_container *container,
 		desktop_damage_box(&box);
 	}
 
+	// If the view hasn't responded to the configure, center it within
+	// the container. This is important for fullscreen views which
+	// refuse to resize to the size of the output.
+	if (view && view->surface) {
+		if (view->surface->current.width < container->width) {
+			container->surface_x = container->content_x +
+				(container->content_width - view->surface->current.width) / 2;
+		} else {
+			container->surface_x = container->content_x;
+		}
+		if (view->surface->current.height < container->height) {
+			container->surface_y = container->content_y +
+				(container->content_height - view->surface->current.height) / 2;
+		} else {
+			container->surface_y = container->content_y;
+		}
+		container->surface_width = view->surface->current.width;
+		container->surface_height = view->surface->current.height;
+	}
+
 	if (!container->node.destroying) {
 		container_discover_outputs(container);
 	}
diff --git a/sway/desktop/xdg_shell.c b/sway/desktop/xdg_shell.c
index 007b0a94..b5dcfb0f 100644
--- a/sway/desktop/xdg_shell.c
+++ b/sway/desktop/xdg_shell.c
@@ -291,10 +291,9 @@ static void handle_commit(struct wl_listener *listener, void *data) {
 		wlr_xdg_surface_get_geometry(xdg_surface, &new_geo);
 		struct sway_container *con = view->container;
 
-		if ((new_geo.width != con->content_width ||
-					new_geo.height != con->content_height) &&
-				container_is_floating(con)) {
-			// A floating view has unexpectedly sent a new size
+		if ((new_geo.width != con->surface_width ||
+					new_geo.height != con->surface_height)) {
+			// The view has unexpectedly sent a new size
 			desktop_damage_view(view);
 			view_update_size(view, new_geo.width, new_geo.height);
 			memcpy(&view->geometry, &new_geo, sizeof(struct wlr_box));
diff --git a/sway/desktop/xdg_shell_v6.c b/sway/desktop/xdg_shell_v6.c
index 386e350e..a7ea163f 100644
--- a/sway/desktop/xdg_shell_v6.c
+++ b/sway/desktop/xdg_shell_v6.c
@@ -284,10 +284,9 @@ static void handle_commit(struct wl_listener *listener, void *data) {
 		wlr_xdg_surface_v6_get_geometry(xdg_surface_v6, &new_geo);
 		struct sway_container *con = view->container;
 
-		if ((new_geo.width != con->content_width ||
-					new_geo.height != con->content_height) &&
-				container_is_floating(con)) {
-			// A floating view has unexpectedly sent a new size
+		if ((new_geo.width != con->surface_width ||
+					new_geo.height != con->surface_height)) {
+			// The view has unexpectedly sent a new size
 			desktop_damage_view(view);
 			view_update_size(view, new_geo.width, new_geo.height);
 			memcpy(&view->geometry, &new_geo, sizeof(struct wlr_box));
diff --git a/sway/desktop/xwayland.c b/sway/desktop/xwayland.c
index d9e1b0a9..e0d307e8 100644
--- a/sway/desktop/xwayland.c
+++ b/sway/desktop/xwayland.c
@@ -333,10 +333,9 @@ static void handle_commit(struct wl_listener *listener, void *data) {
 		get_geometry(view, &new_geo);
 		struct sway_container *con = view->container;
 
-		if ((new_geo.width != con->content_width ||
-					new_geo.height != con->content_height) &&
-				container_is_floating(con)) {
-			// A floating view has unexpectedly sent a new size
+		if ((new_geo.width != con->surface_width ||
+					new_geo.height != con->surface_height)) {
+			// The view has unexpectedly sent a new size
 			// eg. The Firefox "Save As" dialog when downloading a file
 			desktop_damage_view(view);
 			view_update_size(view, new_geo.width, new_geo.height);
diff --git a/sway/tree/container.c b/sway/tree/container.c
index d8ad3bc0..1cf5c8e7 100644
--- a/sway/tree/container.c
+++ b/sway/tree/container.c
@@ -169,8 +169,8 @@ static struct sway_container *surface_at_view(struct sway_container *con, double
 		return NULL;
 	}
 	struct sway_view *view = con->view;
-	double view_sx = lx - con->content_x + view->geometry.x;
-	double view_sy = ly - con->content_y + view->geometry.y;
+	double view_sx = lx - con->surface_x + view->geometry.x;
+	double view_sy = ly - con->surface_y + view->geometry.y;
 
 	double _sx, _sy;
 	struct wlr_surface *_surface = NULL;
diff --git a/sway/tree/view.c b/sway/tree/view.c
index 561c6ef1..9ccb2a31 100644
--- a/sway/tree/view.c
+++ b/sway/tree/view.c
@@ -673,15 +673,22 @@ void view_unmap(struct sway_view *view) {
 }
 
 void view_update_size(struct sway_view *view, int width, int height) {
-	if (!sway_assert(container_is_floating(view->container),
-				"Expected a floating container")) {
-		return;
+	struct sway_container *con = view->container;
+
+	if (container_is_floating(con)) {
+		con->content_width = width;
+		con->content_height = height;
+		con->current.content_width = width;
+		con->current.content_height = height;
+		container_set_geometry_from_content(con);
+	} else {
+		con->surface_x = con->content_x + (con->content_width - width) / 2;
+		con->surface_y = con->content_y + (con->content_height - height) / 2;
+		con->surface_x = fmax(con->surface_x, con->content_x);
+		con->surface_y = fmax(con->surface_y, con->content_y);
 	}
-	view->container->content_width = width;
-	view->container->content_height = height;
-	view->container->current.content_width = width;
-	view->container->current.content_height = height;
-	container_set_geometry_from_content(view->container);
+	con->surface_width = width;
+	con->surface_width = height;
 }
 
 static const struct sway_view_child_impl subsurface_impl;