/* 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 <iostream>
#include <cstring>

#include "triton/driver/kernel.h"
#include "triton/driver/buffer.h"

namespace triton
{

namespace driver
{

Kernel::Kernel(Module const & program, const char * name) : program_(program), address_bits_(program.context().device().address_bits()){
  cu_params_store_.reserve(64);
  cu_params_.reserve(64);
  dispatch::cuModuleGetFunction(&*cu_, program, name);
}

void Kernel::setArg(unsigned int index, std::size_t size, void* ptr){
  if(index + 1> cu_params_store_.size()){
    cu_params_store_.resize(index+1);
    cu_params_.resize(index+1);
  }
  cu_params_store_[index].reset(malloc(size), free);
  memcpy(cu_params_store_[index].get(), ptr, size);
  cu_params_[index] = cu_params_store_[index].get();
}

void Kernel::setArg(unsigned int index, Buffer const & data)
{ return setArg(index, (CUdeviceptr)data);}

void* const* Kernel::cu_params() const
{ return cu_params_.data(); }

Handle<CUfunction> const & Kernel::cu() const
{ return cu_; }

Module const & Kernel::module() const
{ return program_; }


}

}