source: GTP/trunk/Lib/Vis/Preprocessing/src/QtInterface/GlobalLinesRenderer.h @ 1940

#ifndef __GLOBALLINESRENDERER_H
#define __GLOBALLINESRENDERER_H

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

class Beam;
class Intersectable;
class QGLPixelBuffer;

struct VssRayContainer;

namespace GtpVisibilityPreprocessor {


class __declspec(dllexport) GlobalLinesRenderer
{
        GlobalLinesRenderer(QGLPixelBuffer *buffer1, QGLPixelBuffer *buffer2);
        ~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;

private:

        /** Draws the geometry for one pass.
        */
        void DrawGeometry();

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

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

        QGLPixelBuffer *mNewBuffer;
        QGLPixelBuffer *mOldBuffer;
};


};

#endif