00001 00002 /* 00003 pbrt source code Copyright(c) 1998-2010 Matt Pharr and Greg Humphreys. 00004 00005 This file is part of pbrt. 00006 00007 pbrt is free software; you can redistribute it and/or modify 00008 it under the terms of the GNU General Public License as published by 00009 the Free Software Foundation; either version 2 of the License, or 00010 (at your option) any later version. Note that the text contents of 00011 the book "Physically Based Rendering" are *not* licensed under the 00012 GNU GPL. 00013 00014 pbrt is distributed in the hope that it will be useful, 00015 but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00017 GNU General Public License for more details. 00018 00019 You should have received a copy of the GNU General Public License 00020 along with this program. If not, see <http://www.gnu.org/licenses/>. 00021 00022 */ 00023 00024 #if defined(_MSC_VER) 00025 #pragma once 00026 #endif 00027 00028 #ifndef PBRT_MATERIALS_GLASS_H 00029 #define PBRT_MATERIALS_GLASS_H 00030 00031 // materials/glass.h* 00032 #include "pbrt.h" 00033 #include "material.h" 00034 00035 // GlassMaterial Declarations 00036 class GlassMaterial : public Material { 00037 public: 00038 // GlassMaterial Public Methods 00039 GlassMaterial(Reference<Texture<Spectrum> > r, Reference<Texture<Spectrum> > t, 00040 Reference<Texture<float> > i, Reference<Texture<float> > bump) { 00041 Kr = r; 00042 Kt = t; 00043 index = i; 00044 bumpMap = bump; 00045 } 00046 BSDF *GetBSDF(const DifferentialGeometry &dgGeom, const DifferentialGeometry &dgShading, MemoryArena &arena) const; 00047 private: 00048 // GlassMaterial Private Data 00049 Reference<Texture<Spectrum> > Kr, Kt; 00050 Reference<Texture<float> > index; 00051 Reference<Texture<float> > bumpMap; 00052 }; 00053 00054 00055 GlassMaterial *CreateGlassMaterial(const Transform &xform, 00056 const TextureParams &mp); 00057 00058 #endif // PBRT_MATERIALS_GLASS_H