#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 ~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 void setup_frame() const { renderable.setup_frame(); }
+ virtual void finish_frame() const { renderable.finish_frame(); }
};
} // namespace GL