/* 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/runners/OclRxBaseRunner.h"

#include "backend/opencl/kernels/rx/Blake2bHashRegistersKernel.h"
#include "backend/opencl/kernels/rx/Blake2bInitialHashKernel.h"
#include "backend/opencl/kernels/rx/FillAesKernel.h"
#include "backend/opencl/kernels/rx/FindSharesKernel.h"
#include "backend/opencl/kernels/rx/HashAesKernel.h"
#include "backend/opencl/OclLaunchData.h"
#include "backend/opencl/wrappers/OclLib.h"
#include "crypto/rx/RxAlgo.h"


xmrig::OclRxBaseRunner::OclRxBaseRunner(size_t index, const OclLaunchData &data) : OclBaseRunner(index, data)
{
    uint32_t worksize    = 0;
    uint32_t gcn_version = 12;

    switch (data.thread.worksize()) {
    case 2:
    case 4:
    case 8:
    case 16:
        worksize = data.thread.worksize();
        break;

    default:
        worksize = 8;
    }

    if (data.device.type() == OclDevice::Vega_10 || data.device.type() == OclDevice::Vega_20) {
        gcn_version = 14;
    }

    m_options += " -DALGO="             + std::to_string(m_algorithm.id());
    m_options += " -DWORKERS_PER_HASH=" + std::to_string(worksize);
    m_options += " -DGCN_VERSION="      + std::to_string(gcn_version);
}


xmrig::OclRxBaseRunner::~OclRxBaseRunner()
{
    delete m_fillAes1Rx4_scratchpad;
    delete m_fillAes4Rx4_entropy;
    delete m_hashAes1Rx4;
    delete m_blake2b_initial_hash;
    delete m_blake2b_hash_registers_32;
    delete m_blake2b_hash_registers_64;
    delete m_find_shares;

    OclLib::release(m_entropy);
    OclLib::release(m_hashes);
    OclLib::release(m_rounding);
    OclLib::release(m_scratchpads);
}


bool xmrig::OclRxBaseRunner::run(uint32_t nonce, uint32_t *hashOutput)
{
    return false;
}


bool xmrig::OclRxBaseRunner::set(const Job &job, uint8_t *blob)
{
    return false;
}


void xmrig::OclRxBaseRunner::build()
{
    OclBaseRunner::build();

    const uint32_t batch_size = data().thread.intensity();
    const uint32_t rx_version = RxAlgo::version(m_algorithm);

    m_fillAes1Rx4_scratchpad = new FillAesKernel(m_program, "fillAes1Rx4_scratchpad");
    m_fillAes1Rx4_scratchpad->setArgs(m_hashes, m_scratchpads, batch_size, rx_version);

    m_fillAes4Rx4_entropy = new FillAesKernel(m_program, "fillAes4Rx4_entropy");
    m_fillAes1Rx4_scratchpad->setArgs(m_hashes, m_entropy, batch_size, rx_version);

    m_hashAes1Rx4 = new HashAesKernel(m_program);

    m_blake2b_initial_hash = new Blake2bInitialHashKernel(m_program);
    m_blake2b_initial_hash->setArgs(m_hashes, m_input);

    m_blake2b_hash_registers_32 = new Blake2bHashRegistersKernel(m_program, "blake2b_hash_registers_32");
    m_blake2b_hash_registers_64 = new Blake2bHashRegistersKernel(m_program, "blake2b_hash_registers_64");

    m_find_shares = new FindSharesKernel(m_program);
    m_find_shares->setArgs(m_hashes, m_output);
}


void xmrig::OclRxBaseRunner::init()
{
    OclBaseRunner::init();

    const size_t g_thd = data().thread.intensity();

    m_scratchpads = OclLib::createBuffer(m_ctx, CL_MEM_READ_WRITE, (m_algorithm.l3() + 64) * g_thd);
    m_hashes      = OclLib::createBuffer(m_ctx, CL_MEM_READ_WRITE, 64 * g_thd);
    m_entropy     = OclLib::createBuffer(m_ctx, CL_MEM_READ_WRITE, (128 + 2560) * g_thd);
    m_rounding    = OclLib::createBuffer(m_ctx, CL_MEM_READ_WRITE, sizeof(uint32_t) * g_thd);
}