/* Copyright 2015-2017 Philippe Tillet
* 
* Permission is hereby granted, free of charge, to any person obtaining 
* a copy of this software and associated documentation files 
* (the "Software"), to deal in the Software without restriction, 
* including without limitation the rights to use, copy, modify, merge, 
* publish, distribute, sublicense, and/or sell copies of the Software, 
* and to permit persons to whom the Software is furnished to do so, 
* subject to the following conditions:
* 
* The above copyright notice and this permission notice shall be 
* included in all copies or substantial portions of the Software.
* 
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

#include "isaac/driver/program_cache.h"

namespace isaac
{

namespace driver
{

Program & ProgramCache::add(Context const & context, std::string const & name, std::string const & src)
{
    std::map<std::string, Program>::iterator it = cache_.find(name);
    if(it==cache_.end())
    {
        std::string extensions;
        std::string ext = "cl_khr_fp64";
        if(context.device().extensions().find(ext)!=std::string::npos)
          extensions = "#pragma OPENCL EXTENSION " + ext + " : enable\n";
        return cache_.insert(std::make_pair(name, driver::Program(context, extensions + src))).first->second;
    }
    return it->second;
}

Program const * ProgramCache::find(const std::string &name)
{
    std::map<std::string, Program>::const_iterator it = cache_.find(name);
    if(it==cache_.end())
        return NULL;
    return &(it->second);
}

void ProgramCache::clear()
{
    cache_.clear();
}

}

}