cudabelieft.h
Go to the documentation of this file.00001 /* 00002 * Copyright (c) 2011, Mårten Björkman (celle@csc.kth.se) 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions are 00007 * met: 00008 * 00009 * 1.Redistributions of source code must retain the above copyright 00010 * notice, this list of conditions and the following disclaimer. 00011 * 2.Redistributions in binary form must reproduce the above 00012 * copyright notice, this list of conditions and the following 00013 * disclaimer in the documentation and/or other materials provided 00014 * with the distribution. 00015 * 3.The name of Mårten Björkman may not be used to endorse or 00016 * promote products derived from this software without specific 00017 * prior written permission. 00018 * 00019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00020 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00021 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 00022 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 00023 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00024 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00025 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00026 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00027 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00028 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00029 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00030 */ 00031 00032 #ifndef CUDABELIEF_H 00033 #define CUDABELIEF_H 00034 00037 00038 00041 template<int dim> 00042 class CudaBelief { 00043 private: 00045 bool copyFromHost; 00047 unsigned char *allocated_d; 00049 float *msgl_d[2*dim], *msgr_d[2*dim]; 00051 float *msgu_d[2*dim], *msgd_d[2*dim]; 00053 float *prior_d[dim], *belief_d[dim]; 00055 int width, height; 00056 private: 00058 00061 void ComputeBeliefs(int loop); 00063 00068 void CollectMessages(float *costh_d, float *costv_d, int loop); 00069 public: 00071 00076 CudaBelief(int w, int h, bool copyFromHost = true); 00077 ~CudaBelief(); 00079 00085 void Execute(float **priors, float **beliefs, float *costh_d, float *costv_d); 00087 00095 void Execute(float **priors, float **beliefs, float *costh_d, float *costv_d, int loops, int depth); 00096 }; 00097 00098 #include "cudabelieft.cu" 00099 00100 #endif // CUDABELIEF_H 00101