rootston: refactor rendering

This implements rootston surface iterators to ease rendering, sending
frame/presentation events and accumulating damage.

2 files changed, 24 insertions, 2 deletions

diff --git a/include/rootston/output.h b/include/rootston/output.h
index 3f07ab6f..60648f75 100644
--- a/include/rootston/output.h
+++ b/include/rootston/output.h
@@ -29,9 +29,27 @@ struct roots_output {
 	struct wl_listener damage_destroy;
 };
 
+typedef void (*roots_surface_iterator_func_t)(struct roots_output *output,
+	struct wlr_surface *surface, struct wlr_box *box, float rotation,
+	void *user_data);
+
 void rotate_child_position(double *sx, double *sy, double sw, double sh,
 	double pw, double ph, float rotation);
 
+struct roots_input;
+
+void output_surface_for_each_surface(struct roots_output *output,
+	struct wlr_surface *surface, double ox, double oy,
+	roots_surface_iterator_func_t iterator, void *user_data);
+void output_view_for_each_surface(struct roots_output *output,
+	struct roots_view *view, roots_surface_iterator_func_t iterator,
+	void *user_data);
+void output_drag_icons_for_each_surface(struct roots_output *output,
+	struct roots_input *input, roots_surface_iterator_func_t iterator,
+	void *user_data);
+void output_for_each_surface(struct roots_output *output,
+	roots_surface_iterator_func_t iterator, void *user_data);
+
 void handle_new_output(struct wl_listener *listener, void *data);
 
 struct roots_view;
@@ -45,8 +63,8 @@ void output_damage_from_view(struct roots_output *output,
 void output_damage_whole_drag_icon(struct roots_output *output,
 	struct roots_drag_icon *icon);
 void output_damage_from_local_surface(struct roots_output *output,
-	struct wlr_surface *surface, double ox, double oy, float rotation);
+	struct wlr_surface *surface, double ox, double oy);
 void output_damage_whole_local_surface(struct roots_output *output,
-	struct wlr_surface *surface, double ox, double oy, float rotation);
+	struct wlr_surface *surface, double ox, double oy);
 
 #endif
diff --git a/include/rootston/view.h b/include/rootston/view.h
index e701b161..531c615b 100644
--- a/include/rootston/view.h
+++ b/include/rootston/view.h
@@ -20,6 +20,8 @@ struct roots_view_interface {
 	void (*maximize)(struct roots_view *view, bool maximized);
 	void (*set_fullscreen)(struct roots_view *view, bool fullscreen);
 	void (*close)(struct roots_view *view);
+	void (*for_each_surface)(struct roots_view *view,
+		wlr_surface_iterator_func_t iterator, void *user_data);
 	void (*destroy)(struct roots_view *view);
 };
 
@@ -250,6 +252,8 @@ void view_set_title(struct roots_view *view, const char *title);
 void view_set_app_id(struct roots_view *view, const char *app_id);
 void view_create_foreign_toplevel_handle(struct roots_view *view);
 void view_get_deco_box(const struct roots_view *view, struct wlr_box *box);
+void view_for_each_surface(struct roots_view *view,
+	wlr_surface_iterator_func_t iterator, void *user_data);
 
 struct roots_wl_shell_surface *roots_wl_shell_surface_from_view(
 	struct roots_view *view);