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#ifndef __PATHTRACER_X__HPP__
#define __PATHTRACER_X__HPP__

#include "tracer.hpp"

class path_tracer : public tracer
{
public:
    path_tracer(int width, int height, bool explicit_direct, int subsamples);

    CGLA::Vec3f compute_pixel(int w, int h);

private:

    CGLA::Vec3f trace(const ray& r, bool include_emitted);

    //use explicit integration of direct illumination
    bool explicit_direct_;

    //
    int subsamples_;
};

#endif

//02566 framework, Anders Wang Kristensen, awk@imm.dtu.dk, 2007