/*******************************************************************************
 *
 * MIT License
 *
 * Copyright (c) 2017 Advanced Micro Devices, Inc.
 *
 * 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 <env.hpp>
#include <hipoc_kernel.hpp>
#include <hipCheck.hpp>

#include <hip/hip_ext.h>
#include <hip/hip_runtime.h>

#include <chrono>
#include <thread>

namespace olCompile {

void HIPOCKernelInvoke::run(void* args, std::size_t size) const
{
    HipEventPtr start = nullptr;
    HipEventPtr stop  = nullptr;
    void* config[]    = {// HIP_LAUNCH_PARAM_* are macros that do horrible things
                      // NOLINTNEXTLINE cppcoreguidelines-pro-type-cstyle-cast
                      HIP_LAUNCH_PARAM_BUFFER_POINTER,
                      args,
                      // NOLINTNEXTLINE cppcoreguidelines-pro-type-cstyle-cast
                      HIP_LAUNCH_PARAM_BUFFER_SIZE,
                      &size,
                      // NOLINTNEXTLINE cppcoreguidelines-pro-type-cstyle-cast
                      HIP_LAUNCH_PARAM_END};
    if(callback)
    {
        start = make_hip_event();
        stop  = make_hip_event();
    }

    MY_HIP_CHECK(hipExtModuleLaunchKernel(fun,
                                          gdims[0],
                                          gdims[1],
                                          gdims[2],
                                          ldims[0],
                                          ldims[1],
                                          ldims[2],
                                          0,
                                          stream,
                                          nullptr,
                                          reinterpret_cast<void**>(&config),
                                          start.get(),
                                          stop.get()));

    if(callback)
    {
        MY_HIP_CHECK(hipEventSynchronize(stop.get()));
        callback(start.get(), stop.get());
    }
}

HIPOCKernelInvoke HIPOCKernel::Invoke(hipStream_t stream,
                                      std::function<void(hipEvent_t, hipEvent_t)> callback) const
{
    return HIPOCKernelInvoke{stream, fun, ldims, gdims, name, callback};
}
} // namespace olCompile