00001 /*************************************************************************** 00002 * Copyright (C) 1998-2008 by authors (see AUTHORS.txt ) * 00003 * * 00004 * This file is part of LuxRender. * 00005 * * 00006 * Lux Renderer is free software; you can redistribute it and/or modify * 00007 * it under the terms of the GNU General Public License as published by * 00008 * the Free Software Foundation; either version 3 of the License, or * 00009 * (at your option) any later version. * 00010 * * 00011 * Lux Renderer is distributed in the hope that it will be useful, * 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00014 * GNU General Public License for more details. * 00015 * * 00016 * You should have received a copy of the GNU General Public License * 00017 * along with this program. If not, see <http://www.gnu.org/licenses/>. * 00018 * * 00019 * This project is based on PBRT ; see http://www.pbrt.org * 00020 * Lux Renderer website : http://www.luxrender.net * 00021 ***************************************************************************/ 00022 00023 // particletracing.h* 00024 #include "lux.h" 00025 #include "transport.h" 00026 #include "scene.h" 00027 #include "camera.h" // For Sample_stub 00028 00029 namespace lux 00030 { 00031 // ParticleTracingIntegrator Declarations 00032 class ParticleTracingIntegrator : public SurfaceIntegrator { 00033 public: 00034 // ParticleTracingIntegrator Public Methods 00035 ParticleTracingIntegrator(int md, float rrpdf) { maxDepth = md; continueProbability = rrpdf;} 00036 SWCSpectrum Li(const Scene *scene, const RayDifferential &ray, const Sample *sample, float *alpha) const; 00037 void RequestSamples(Sample *sample, const Scene *scene); 00038 void Preprocess(const Scene *); 00039 bool IsFluxBased() { 00040 return true; 00041 } 00042 /* bool NeedAddSampleInRender() { 00043 return false; 00044 }*/ 00045 static SurfaceIntegrator *CreateSurfaceIntegrator(const ParamSet ¶ms); 00046 private: 00047 // ParticleTracingIntegrator Private Data 00048 int maxDepth; 00049 int sampleOffset; 00050 float continueProbability; 00051 int numOfLights; 00052 vector<int> bufferIds; 00053 }; 00054 00055 }//namespace lux