/**
Effects are used to wrap other renderables and give them additional visual
-properties.
+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
{
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