pssmlt.pathsampler.h

/*
    Lightmetrica : A research-oriented renderer

    Copyright (c) 2014 Hisanari Otsu

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#pragma once
#ifndef LIB_LIGHTMETRICA_PSSMLT_PATH_SAMPLER_H
#define LIB_LIGHTMETRICA_PSSMLT_PATH_SAMPLER_H

#include "component.h"

LM_NAMESPACE_BEGIN

class ConfigNode;
class Assets;
class Scene;
class Sampler;
struct PSSMLTSplat;
struct PSSMLTSplats;

class PSSMLTPathSampler : public Component
{
public:

    LM_COMPONENT_INTERFACE_DEF("pssmltpathsampler");

public:

    PSSMLTPathSampler() {}
    virtual ~PSSMLTPathSampler() {}

public:

    virtual bool Configure(const ConfigNode& node, const Assets& assets) = 0;

    virtual PSSMLTPathSampler* Clone() const = 0;

    virtual void SampleAndEvaluate(const Scene& scene, Sampler& sampler, PSSMLTSplats& splats, int rrDepth, int maxPathVertices) = 0;

    virtual void SampleAndEvaluateBidir(const Scene& scene, Sampler& subpathSamplerL, Sampler& subpathSamplerE, PSSMLTSplats& splats, int rrDepth, int maxPathVertices) = 0;

    virtual void SampleAndEvaluateBidirSpecified(const Scene& scene, Sampler& subpathSamplerL, Sampler& subpathSamplerE, PSSMLTSplat& splat, int rrDepth, int maxPathVertices, int s, int t) = 0;

};

LM_NAMESPACE_END

#endif // LIB_LIGHTMETRICA_PSSMLT_PATH_SAMPLER_H