env_cuda.h

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00001 /*!@file CUDA/env_cuda.h CUDA ops for Envision */
00002 
00003 // //////////////////////////////////////////////////////////////////// //
00004 // The iLab Neuromorphic Vision C++ Toolkit - Copyright (C) 2000-2005   //
00005 // by the University of Southern California (USC) and the iLab at USC.  //
00006 // See http://iLab.usc.edu for information about this project.          //
00007 // //////////////////////////////////////////////////////////////////// //
00008 // Major portions of the iLab Neuromorphic Vision Toolkit are protected //
00009 // under the U.S. patent ``Computation of Intrinsic Perceptual Saliency //
00010 // in Visual Environments, and Applications'' by Christof Koch and      //
00011 // Laurent Itti, California Institute of Technology, 2001 (patent       //
00012 // pending; application number 09/912,225 filed July 23, 2001; see      //
00013 // http://pair.uspto.gov/cgi-bin/final/home.pl for current status).     //
00014 // //////////////////////////////////////////////////////////////////// //
00015 // This file is part of the iLab Neuromorphic Vision C++ Toolkit.       //
00016 //                                                                      //
00017 // The iLab Neuromorphic Vision C++ Toolkit is free software; you can   //
00018 // redistribute it and/or modify it under the terms of the GNU General  //
00019 // Public License as published by the Free Software Foundation; either  //
00020 // version 2 of the License, or (at your option) any later version.     //
00021 //                                                                      //
00022 // The iLab Neuromorphic Vision C++ Toolkit is distributed in the hope  //
00023 // that it will be useful, but WITHOUT ANY WARRANTY; without even the   //
00024 // implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      //
00025 // PURPOSE.  See the GNU General Public License for more details.       //
00026 //                                                                      //
00027 // You should have received a copy of the GNU General Public License    //
00028 // along with the iLab Neuromorphic Vision C++ Toolkit; if not, write   //
00029 // to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,   //
00030 // Boston, MA 02111-1307 USA.                                           //
00031 // //////////////////////////////////////////////////////////////////// //
00032 //
00033 // Primary maintainer for this file:
00034 // $HeadURL: svn://isvn.usc.edu/software/invt/trunk/saliency/src/CUDA/env_cuda.h $
00035 // $Id: env_cuda.h 12962 2010-03-06 02:13:53Z irock $
00036 //
00037 
00038 #ifndef CUDA_ENV_CUDA_H_DEFINED
00039 #define CUDA_ENV_CUDA_H_DEFINED
00040 
00041 #include "Envision/env_image_ops.h"
00042 
00043 #ifdef __cplusplus
00044 extern "C" {
00045 #endif
00046 
00047   //! Direct CUDA-accelerated replacement for env_pyr_build_lowpass_5
00048   void env_pyr_build_lowpass_5_cuda(const struct env_image* image, env_size_t firstlevel,
00049                                     const struct env_math* imath, struct env_pyr* result);
00050 
00051   //! Core lowpass5 pyramid computation
00052   /*! this runs fully in device memory and assumes you have allocated
00053       it. Note that level 0 is also not computed here. See
00054       env_pyr_build_lowpass_5_cuda() for what you have to do to
00055       prepare the work and collect the results. */
00056   void cudacore_pyr_build_lowpass_5(const int *dsrc, int *dtmp, int *dres, const int depth,
00057                                     const env_size_t w, const env_size_t h,
00058                                     env_size_t *outw, env_size_t *outh);
00059 
00060 #ifdef __cplusplus
00061 }
00062 #endif
00063 
00064 // ######################################################################
00065 /* So things look consistent in everyone's emacs... */
00066 /* Local Variables: */
00067 /* mode: c++ */
00068 /* indent-tabs-mode: nil */
00069 /* End: */
00070 
00071 #endif // CUDA_ENV_CUDA_H_DEFINED
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