Add lite damage tracking

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

3 files changed, 22 insertions, 3 deletions

diff --git a/sway/tree/container.c b/sway/tree/container.c
index c3cf6c64..8705edc7 100644
--- a/sway/tree/container.c
+++ b/sway/tree/container.c
@@ -6,8 +6,8 @@
 #include <wayland-server.h>
 #include <wlr/types/wlr_output_layout.h>
 #include <wlr/types/wlr_wl_shell.h>
+#include "log.h"
 #include "sway/config.h"
-#include "sway/tree/container.h"
 #include "sway/input/input-manager.h"
 #include "sway/input/seat.h"
 #include "sway/ipc-server.h"
diff --git a/sway/tree/output.c b/sway/tree/output.c
index 2246cb11..7248fd00 100644
--- a/sway/tree/output.c
+++ b/sway/tree/output.c
@@ -26,9 +26,12 @@ struct sway_container *container_output_destroy(struct sway_container *output) {
 		}
 	}
 
-	wl_list_remove(&output->sway_output->frame.link);
 	wl_list_remove(&output->sway_output->destroy.link);
 	wl_list_remove(&output->sway_output->mode.link);
+	wl_list_remove(&output->sway_output->transform.link);
+
+	wl_list_remove(&output->sway_output->damage_destroy.link);
+	wl_list_remove(&output->sway_output->damage_frame.link);
 
 	wlr_log(L_DEBUG, "OUTPUT: Destroying output '%s'", output->name);
 	container_destroy(output);
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);
+}