Add interfaces for culling

[libs/gl.git] / source / scene.h

diff --git a/source/scene.h b/source/scene.h
index 19048eb305a9f2ca8e8a21eca741f4671ebf813e..e3aa1fabb2cd5829e6567b706712b1580192b991 100644 (file)
--- a/source/scene.h
+++ b/source/scene.h
@@ -6,6 +6,8 @@
 namespace Msp {
 namespace GL {
 
+class Culler;
+
 /**
 Scenes are containers for other Renderables.  This is a base class that can't
 be instantiated.  At the moment the available Scene types are SimpleScene,
@@ -14,6 +16,8 @@ InstancedScene and OrderedScene.
 class Scene: public Renderable
 {
 protected:
+       std::list<Culler *> cullers;
+
        Scene() { }
 public:
        virtual ~Scene() { }
@@ -21,8 +25,15 @@ public:
        virtual void add(const Renderable &) = 0;
        virtual void remove(const Renderable &) = 0;
 
+       void add_culler(Culler &);
+       void remove_culler(Culler &);
+
        using Renderable::render;
        virtual void render(const Tag & = Tag()) const;
+
+protected:
+       virtual void setup_cullers(const Renderer &) const;
+       virtual bool cull(const Renderer &, const Renderable &) const;
 };
 
 } // namespace GL