X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Feffect.h;h=bc9e19ec818f2a392889866bdf36428c7c00024b;hp=2f9c56d2572f2703723044c25e058df995b7fec8;hb=bec07999d95b76f4b47cffcc564d0cd0afc0435e;hpb=f14435e58bfa0fa697a06ba9a454bb30cd37d9d8

diff --git a/source/effect.h b/source/effect.h
index 2f9c56d2..bc9e19ec 100644
--- a/source/effect.h
+++ b/source/effect.h
@@ -1,16 +1,45 @@
 #ifndef MSP_GL_EFFECT_H_
 #define MSP_GL_EFFECT_H_
 
+#include <set>
+#include <msp/core/refptr.h>
+#include "renderable.h"
+
 namespace Msp {
 namespace GL {
 
-class Effect
+class Sampler;
+
+/**
+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;
+
+private:
+	static WeakPtr<Sampler> linear_sampler;
+
+protected:
+	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(); }
+
+protected:
+	static RefPtr<Sampler> get_linear_sampler();
 };
 
 } // namespace GL