Add dynamic output resizing for Wayland backend

This allows outputs to:
- Not support modesetting
- Resize themselves

3 files changed, 3 insertions, 2 deletions

diff --git a/include/backend/wayland.h b/include/backend/wayland.h
index d2f1fb1d..03667c9a 100644
--- a/include/backend/wayland.h
+++ b/include/backend/wayland.h
@@ -32,8 +32,6 @@ struct wlr_backend_state {
 
 struct wlr_output_state {
 	size_t id;
-	unsigned int width;
-	unsigned int height;
 	struct wlr_backend_state *backend;
 	struct wlr_output *output;
 	struct wl_surface *surface;
diff --git a/include/types.h b/include/types.h
index 54aa5606..f53cac02 100644
--- a/include/types.h
+++ b/include/types.h
@@ -20,6 +20,7 @@ struct wlr_output_impl {
 struct wlr_output *wlr_output_create(struct wlr_output_impl *impl,
 		struct wlr_output_state *state);
 void wlr_output_free(struct wlr_output *output);
+void wlr_output_update_matrix(struct wlr_output *output);
 
 struct wlr_keyboard_impl {
 	void (*destroy)(struct wlr_keyboard_state *state);
diff --git a/include/wlr/types.h b/include/wlr/types.h
index 1d2abab5..6b6a3389 100644
--- a/include/wlr/types.h
+++ b/include/wlr/types.h
@@ -33,11 +33,13 @@ struct wlr_output {
 
 	float transform_matrix[16];
 
+	/* Note: some backends may have zero modes */
 	list_t *modes;
 	struct wlr_output_mode *current_mode;
 
 	struct {
 		struct wl_signal frame;
+		struct wl_signal resolution;
 	} events;
 };