00001 /*************************************************************************** 00002 * Copyright (C) 1998-2009 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.org * 00021 ***************************************************************************/ 00022 00023 // regular.cpp* 00024 #include "regular.h" 00025 #include "memory.h" 00026 00027 using namespace lux; 00028 00029 void RegularSPD::init(float lMin, float lMax, const float* const s, int n) { 00030 lambdaMin = lMin; 00031 lambdaMax = lMax; 00032 delta = (lambdaMax - lambdaMin) / (n-1); 00033 invDelta = 1.f / delta; 00034 nSamples = n; 00035 00036 AllocateSamples(n); 00037 00038 // Copy samples 00039 for (int i = 0; i < n; i++) 00040 samples[i] = s[i]; 00041 00042 } 00043