Remove the deprecated ProgramBuilder class

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

diff --git a/source/effect.h b/source/effect.h
index dfb369614c28c2388b1dcdd249e20e4d331224ec..bc9e19ec818f2a392889866bdf36428c7c00024b 100644 (file)
--- a/source/effect.h
+++ b/source/effect.h
@@ -2,27 +2,44 @@
 #define MSP_GL_EFFECT_H_
 
 #include <set>
+#include <msp/core/refptr.h>
 #include "renderable.h"
 
 namespace Msp {
 namespace GL {
 
+class Sampler;
+
 /**
 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
 {
 protected:
-       const Renderable &renderable;
+       Renderable &renderable;
        std::set<Tag> enabled_passes;
 
-       Effect(const Renderable &);
+private:
+       static WeakPtr<Sampler> linear_sampler;
+
+protected:
+       Effect(Renderable &);
 public:
        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 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