X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fshadowmap.h;h=fe36fca0e5bac9e6e7eff35f3a33065d9fb3d85e;hp=119d369c1eb6db052048d941008c18f7b3d58560;hb=c3b339da673601c283abf9222b5e8f66ba80a688;hpb=e645768be035f155e1deda931079cf1e84851a86

diff --git a/source/shadowmap.h b/source/shadowmap.h
index 119d369c..fe36fca0 100644
--- a/source/shadowmap.h
+++ b/source/shadowmap.h
@@ -24,17 +24,17 @@ class ShadowMap: public Effect
 private:
 	unsigned size;
 	const Light &light;
-	mutable Framebuffer fbo;
-	mutable Matrix shadow_matrix;
+	Framebuffer fbo;
+	Matrix shadow_matrix;
 	Texture2D depth_buf;
 	Vector3 target;
 	float radius;
 	float depth_bias;
 	mutable ProgramData shdata;
-	mutable bool rendered;
+	bool rendered;
 
 public:
-	ShadowMap(unsigned, const Renderable &, const Light &);
+	ShadowMap(unsigned, Renderable &, const Light &);
 
 	/** Sets the ShadowMap target point and radius.  The transformation matrix is
 	computed so that a sphere with the specified parameters will be completely
@@ -52,10 +52,13 @@ public:
 	thin objects from casting shadows on nearby sufraces. */
 	void set_depth_bias(float);
 
-	virtual void setup_frame() const;
-	virtual void finish_frame() const;
+	const Texture2D &get_depth_texture() const { return depth_buf; }
+	const Matrix &get_shadow_matrix() const { return shadow_matrix; }
 
-	virtual void render(Renderer &, const Tag &) const;
+	virtual void setup_frame(Renderer &);
+	virtual void finish_frame();
+
+	virtual void render(Renderer &, const Tag & = Tag()) const;
 };
 
 } // namespace GL