X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fsimplescene.h;h=fd834111354635a3c34d29d9158a3faf45042b1a;hb=3b159edbe4e80a2bc19c4c2fcd42cb996b9fbfe0;hp=be86285bba84b21ea25f98aad1d3f51954a165b1;hpb=db498c7e634fa999cf4b4a8b67c49813009b1790;p=libs%2Fgl.git

diff --git a/source/simplescene.h b/source/simplescene.h
index be86285b..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
 {
 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;