X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Feffect.h;h=e99bc2576d9eb97220faed58f214b790779ab085;hb=dafd3a42a2f06bfd8e88f9240fc2f4bd3d401541;hp=9f49c81855d4ac749b2509dd12ac4b6e49871810;hpb=e17243fb2421977cb781361828b77718e2cf8d48;p=libs%2Fgl.git

diff --git a/source/effect.h b/source/effect.h
index 9f49c818..e99bc257 100644
--- a/source/effect.h
+++ b/source/effect.h
@@ -1,21 +1,34 @@
-/* $Id$
-
-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:
+	const Renderable &renderable;
+	std::set<Tag> enabled_passes;
+
+	Effect(const Renderable &);
 public:
-	virtual void prepare() =0;
-	virtual void cleanup() =0;
+	virtual ~Effect() { }
+
+	void enable_for_pass(const Tag &);
+	void disable_for_pass(const Tag &);
+
+	virtual const Matrix *get_matrix() const { return renderable.get_matrix(); }
+
+	virtual void setup_frame() const { renderable.setup_frame(); }
+	virtual void finish_frame() const { renderable.finish_frame(); }
 };
 
 } // namespace GL