X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Feffects%2Feffect.h;fp=source%2Feffects%2Feffect.h;h=bc9e19ec818f2a392889866bdf36428c7c00024b;hb=7aaec9a70b8d7733429bec043f8e33e02956f266;hp=0000000000000000000000000000000000000000;hpb=bec07999d95b76f4b47cffcc564d0cd0afc0435e;p=libs%2Fgl.git

diff --git a/source/effects/effect.h b/source/effects/effect.h
new file mode 100644
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--- /dev/null
+++ b/source/effects/effect.h
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+#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 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() { }
+
+	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
+} // namespace Msp
+
+#endif