Add a missing initializer

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

diff --git a/source/effect.h b/source/effect.h
index eb207745a847ae0cdf59b4609206d79a374597be..c55aebf95a5c0363e459a4c010fa79c89ad018e0 100644 (file)
--- a/source/effect.h
+++ b/source/effect.h
@@ -1,23 +1,35 @@
-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2009  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
 #ifndef MSP_GL_EFFECT_H_
 #define MSP_GL_EFFECT_H_
 
+#include <set>
+#include "renderable.h"
+
 namespace Msp {
 namespace GL {
 
-class Effect
+/**
+Effects are used to wrap other renderables and give them additional visual
+properties.  An Effect's render method should set up the necessary state, call
+the wrapped Renderable's render method, and clean up after itself.
+*/
+class Effect: public Renderable
 {
+protected:
+       Renderable &renderable;
+       std::set<Tag> enabled_passes;
+
+       Effect(Renderable &);
 public:
        virtual ~Effect() { }
 
-       virtual void prepare() =0;
-       virtual void cleanup() =0;
+       void enable_for_pass(const Tag &);
+       void disable_for_pass(const Tag &);
+
+       virtual const Matrix *get_matrix() const { return renderable.get_matrix(); }
+       virtual const Geometry::BoundingSphere<float, 3> *get_bounding_sphere() const { return renderable.get_bounding_sphere(); }
+
+       virtual void setup_frame(Renderer &r) { renderable.setup_frame(r); }
+       virtual void finish_frame() { renderable.finish_frame(); }
 };
 
 } // namespace GL