#ifndef __GLOBALLINESRENDERER_H
#define __GLOBALLINESRENDERER_H

#include "common.h"
#include "Containers.h"

class RenderTexture;

namespace GtpVisibilityPreprocessor {

class Beam;
class Intersectable;
class Preprocessor;
class GlRenderer;

struct VssRayContainer;

class GlobalLinesRenderer
{
public:
	/*GlobalLinesRenderer(RenderTexture *buffer1, 
						RenderTexture *buffer2, 
						Preprocessor *preprocessor,
						GlRenderer *renderer);
*/
	GlobalLinesRenderer(Preprocessor *preprocessor, GlRenderer *renderer);

	~GlobalLinesRenderer();

	void CastGlobalLines(Beam &beam, const int samples);

	void InitGl();

	/** Computes rays from information gained with hw sampling
	*/
	void ComputeRays(Intersectable *sourceObj, VssRayContainer &rays);

	float GetPixelError(int &pvsSize);

	int ComputePvs(ObjectContainer &objects, ObjectContainer &pvs) const;

	void RenderObject(Intersectable *obj);
void DrawGeometry();
void Run();
protected:

	void ProcessDepthBuffer();

	/** Draws the geometry for one pass.
	*/
	

	void ApplyDepthPeeling(Beam &beam, const int samples);

	void SwitchRenderTextures();

	void SetupProjection(const Vector3 &viewPoint, 
						 const Beam &beam);

	RenderTexture *mNewBuffer;
	RenderTexture *mOldBuffer;

	Preprocessor *mPreprocessor;
	int mMaxDepth;

	GlRenderer *mRenderer;
};

extern GlobalLinesRenderer *globalLinesRenderer;

};

#endif