Kernel.h

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/*
 *  This file is part of AQUAgpusph, a free CFD program based on SPH.
 *  Copyright (C) 2012  Jose Luis Cercos Pita <jl.cercos@upm.es>
 *
 *  AQUAgpusph is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  AQUAgpusph is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with AQUAgpusph.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef KERNEL_H_INCLUDED
#define KERNEL_H_INCLUDED
 
#include <sphPrerequisites.h>
 
#include <vector>
#if __APPLE__
#include <OpenCL/cl.h>
#else
#include <CL/cl.h>
#endif
#include <CalcServer/Tool.h>
 
namespace Aqua {
namespace CalcServer {
 
class Kernel : public Aqua::CalcServer::Tool
{
  public:
        Kernel(const std::string tool_name,
               const std::string kernel_path,
               const std::string entry_point = "entry",
               const std::string n = "N",
               bool once = false);
 
        virtual ~Kernel();
 
        void setup();
 
        const std::string path() { return (const std::string)_path; }
 
        size_t workGroupSize() const { return _work_group_size; }
 
        size_t globalWorkSize() const { return _global_work_size; }
 
  protected:
        cl_event _execute(const std::vector<cl_event> events);
 
  protected:
        void make(const std::string entry_point = "entry",
                  const std::string flags = "",
                  const std::string header = "");
 
        void variables(const std::string entry_point = "main");
 
        void setVariables();
 
        void computeGlobalWorkSize();
 
  private:
        std::string _path;
 
        std::string _entry_point;
 
        std::string _n;
 
        cl_kernel _kernel;
 
        size_t _work_group_size;
 
        size_t _global_work_size;
 
        std::vector<std::string> _var_names;
        std::vector<void*> _var_values;
};
 
}
} // namespace
 
#endif // KERNEL_H_INCLUDED