X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fsimplescene.h;h=fd834111354635a3c34d29d9158a3faf45042b1a;hb=3b159edbe4e80a2bc19c4c2fcd42cb996b9fbfe0;hp=deba4d5f8877b872aa6d3be5dcc5cb7eecf7c0e1;hpb=c87860db3b23a98eda1adfe59acddffdb6eb8420;p=libs%2Fgl.git

diff --git a/source/simplescene.h b/source/simplescene.h
index deba4d5f..fd834111 100644
--- a/source/simplescene.h
+++ b/source/simplescene.h
@@ -8,19 +8,25 @@ namespace Msp {
 namespace GL {
 
 /**
-The simplest possible Scene.  Rendering order is unspecified.
+A simple yet efficient scene.  Rendering order is unspecified.
 */
 class SimpleScene: public Scene
 {
-protected:
+private:
 	typedef std::set<const Renderable *> RenderableSet;
+	typedef std::vector<const Renderable *> RenderableArray;
 
 	RenderableSet renderables;
+	mutable RenderableArray cache;
 
 public:
 	virtual void add(const Renderable &);
 	virtual void remove(const Renderable &);
 
+private:
+	void populate_cache() const;
+
+public:
 	virtual void setup_frame() const;
 	virtual void finish_frame() const;