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_MEASURED_H 00029 #define PBRT_MATERIALS_MEASURED_H 00030 00031 // materials/measured.h* 00032 #include "pbrt.h" 00033 #include "material.h" 00034 #include "reflection.h" 00035 #include "kdtree.h" 00036 00037 // MeasuredMaterial Declarations 00038 class MeasuredMaterial : public Material { 00039 public: 00040 // MeasuredMaterial Public Methods 00041 MeasuredMaterial(const string &filename, Reference<Texture<float> > bump); 00042 BSDF *GetBSDF(const DifferentialGeometry &dgGeom, 00043 const DifferentialGeometry &dgShading, 00044 MemoryArena &arena) const; 00045 private: 00046 // MeasuredMaterial Private Data 00047 KdTree<IrregIsotropicBRDFSample> *thetaPhiData; 00048 float *regularHalfangleData; 00049 uint32_t nThetaH, nThetaD, nPhiD; 00050 Reference<Texture<float> > bumpMap; 00051 }; 00052 00053 00054 MeasuredMaterial *CreateMeasuredMaterial(const Transform &xform, 00055 const TextureParams &mp); 00056 00057 #endif // PBRT_MATERIALS_MEASURED_H