From 1a084807ce6ce1d8e4b8c35e3195240507ebffe8 Mon Sep 17 00:00:00 2001
From: emersion <contact@emersion.fr>
Date: Thu, 18 Jan 2018 03:31:46 +0100
Subject: rootston: do not redraw if output has no damage

---
 include/rootston/desktop.h | 17 ++++-------------
 include/rootston/output.h  | 26 ++++++++++++++++++++++++++
 2 files changed, 30 insertions(+), 13 deletions(-)
 create mode 100644 include/rootston/output.h

(limited to 'include')

diff --git a/include/rootston/desktop.h b/include/rootston/desktop.h
index 9dfd7b10..3d0e2a2b 100644
--- a/include/rootston/desktop.h
+++ b/include/rootston/desktop.h
@@ -16,15 +16,7 @@
 #include <wlr/types/wlr_idle.h>
 #include "rootston/view.h"
 #include "rootston/config.h"
-
-struct roots_output {
-	struct roots_desktop *desktop;
-	struct wlr_output *wlr_output;
-	struct wl_listener frame;
-	struct timespec last_frame;
-	struct wl_list link; // roots_desktop:outputs
-	struct roots_view *fullscreen_view;
-};
+#include "rootston/output.h"
 
 struct roots_desktop {
 	struct wl_list views; // roots_view::link
@@ -64,20 +56,19 @@ struct roots_desktop {
 struct roots_server;
 
 struct roots_desktop *desktop_create(struct roots_server *server,
-		struct roots_config *config);
+	struct roots_config *config);
 void desktop_destroy(struct roots_desktop *desktop);
 struct roots_output *desktop_output_from_wlr_output(
 	struct roots_desktop *desktop, struct wlr_output *output);
 struct roots_view *desktop_view_at(struct roots_desktop *desktop, double lx,
 	double ly, struct wlr_surface **surface, double *sx, double *sy);
+void desktop_damage_surface(struct roots_desktop *desktop,
+	struct wlr_surface *surface, double lx, double ly);
 
 void view_init(struct roots_view *view, struct roots_desktop *desktop);
 void view_destroy(struct roots_view *view);
 void view_activate(struct roots_view *view, bool activate);
 
-void output_add_notify(struct wl_listener *listener, void *data);
-void output_remove_notify(struct wl_listener *listener, void *data);
-
 void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data);
 void handle_wl_shell_surface(struct wl_listener *listener, void *data);
 void handle_xwayland_surface(struct wl_listener *listener, void *data);
diff --git a/include/rootston/output.h b/include/rootston/output.h
new file mode 100644
index 00000000..e7f49227
--- /dev/null
+++ b/include/rootston/output.h
@@ -0,0 +1,26 @@
+#ifndef _ROOTSTON_OUTPUT_H
+#define _ROOTSTON_OUTPUT_H
+
+#include <time.h>
+#include <pixman.h>
+#include <wayland-server.h>
+
+struct roots_desktop;
+
+struct roots_output {
+	struct roots_desktop *desktop;
+	struct wlr_output *wlr_output;
+	struct wl_listener frame;
+	struct timespec last_frame;
+	struct wl_list link; // roots_desktop:outputs
+	struct roots_view *fullscreen_view;
+	pixman_region32_t damage;
+};
+
+void output_add_notify(struct wl_listener *listener, void *data);
+void output_remove_notify(struct wl_listener *listener, void *data);
+
+void output_damage_surface(struct roots_output *output,
+	struct wlr_surface *surface, double lx, double ly);
+
+#endif
-- 
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