/* XMRig
 * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
 * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
 * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
 * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
 * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
 * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
 * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
 * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
 *
 *   This program 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.
 *
 *   This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
 */


#include "backend/opencl/kernels/Cn2Kernel.h"
#include "backend/opencl/wrappers/OclLib.h"


void xmrig::Cn2Kernel::enqueue(cl_command_queue queue, uint32_t nonce, size_t threads)
{
    const size_t offset[2]          = { nonce, 1 };
    const size_t gthreads[2]        = { threads, 8 };
    static const size_t lthreads[2] = { 8, 8 };

    enqueueNDRange(queue, 2, offset, gthreads, lthreads);
}


// __kernel void cn2(__global uint4 *Scratchpad, __global ulong *states, __global uint *Branch0, __global uint *Branch1, __global uint *Branch2, __global uint *Branch3, uint Threads)
void xmrig::Cn2Kernel::setArgs(cl_mem scratchpads, cl_mem states, const std::vector<cl_mem> &branches, uint32_t threads)
{
    setArg(0, sizeof(cl_mem), &scratchpads);
    setArg(1, sizeof(cl_mem), &states);
    setArg(6, sizeof(uint32_t), &threads);

    for (uint32_t i = 0; i < branches.size(); ++i) {
        setArg(i + 2, sizeof(cl_mem), &branches[i]);
    }
}