Add lite damage tracking

This skips the renderer if nothing has changed, and renders
everything otherwise.

1 files changed, 17 insertions, 1 deletions

diff --git a/sway/tree/view.c b/sway/tree/view.c
index 480ff693..b7d1a41b 100644
--- a/sway/tree/view.c
+++ b/sway/tree/view.c
@@ -1,9 +1,10 @@
 #include <wayland-server.h>
 #include <wlr/types/wlr_output_layout.h>
+#include "log.h"
+#include "sway/output.h"
 #include "sway/tree/container.h"
 #include "sway/tree/layout.h"
 #include "sway/tree/view.h"
-#include "log.h"
 
 const char *view_get_title(struct sway_view *view) {
         if (view->iface.get_prop) {
@@ -105,3 +106,18 @@ struct sway_container *container_view_destroy(struct sway_container *view) {
         arrange_windows(parent, -1, -1);
         return parent;
 }
+
+void view_damage_whole(struct sway_view *view) {
+        struct sway_container *cont = NULL;
+        for (int i = 0; i < root_container.children->length; ++i) {
+                cont = root_container.children->items[i];
+                if (cont->type == C_OUTPUT) {
+                        output_damage_whole_view(cont->sway_output, view);
+                }
+        }
+}
+
+void view_damage_from(struct sway_view *view) {
+        // TODO
+        view_damage_whole(view);
+}