+
+struct DirtyRect
+{
+ DirtyRect(Node* node, Render::Renderer* renderer, int frame, Rect<int>& rect)
+ : node(node),
+ renderer(renderer),
+ frame(frame),
+ rect(rect),
+ visited(true)
+ {
+ }
+
+ DirtyRect()
+ : node(nullptr),
+ renderer(nullptr),
+ frame(0),
+ rect(),
+ visited(true)
+ {
+ }
+
+ bool operator<(const DirtyRect& rhs) const
+ {
+ if (node == rhs.node)
+ {
+ if (renderer == rhs.renderer)
+ {
+ return frame > rhs.frame; // Most recent rects come first
+ }
+ else
+ {
+ return renderer < rhs.renderer;
+ }
+ }
+ else
+ {
+ return node < rhs.node;
+ }
+ }
+
+ Node* node;
+ Render::Renderer* renderer;
+ int frame;
+
+ Rect<int> rect;
+ bool visited;
+};
+