/*
 * Copyright (c) 2016-2021 Arm Limited.
 *
 * SPDX-License-Identifier: MIT
 *
 * 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 "arm_compute/runtime/CL/functions/CLPixelWiseMultiplication.h"

#include "arm_compute/core/CL/ICLTensor.h"
#include "arm_compute/runtime/CL/CLScheduler.h"

#include "src/core/CL/ICLKernel.h"
#include "src/gpu/cl/operators/ClMul.h"

#include <utility>

namespace arm_compute
{
struct CLPixelWiseMultiplication::Impl
{
    const ICLTensor               *src_0{nullptr};
    const ICLTensor               *src_1{nullptr};
    ICLTensor                     *dst{nullptr};
    std::unique_ptr<opencl::ClMul> op{nullptr};
};

CLPixelWiseMultiplication::CLPixelWiseMultiplication() : _impl(std::make_unique<Impl>())
{
}
CLPixelWiseMultiplication::CLPixelWiseMultiplication(CLPixelWiseMultiplication &&)            = default;
CLPixelWiseMultiplication &CLPixelWiseMultiplication::operator=(CLPixelWiseMultiplication &&) = default;
CLPixelWiseMultiplication::~CLPixelWiseMultiplication()                                       = default;

void CLPixelWiseMultiplication::configure(ICLTensor                 *input1,
                                          ICLTensor                 *input2,
                                          ICLTensor                 *output,
                                          float                      scale,
                                          ConvertPolicy              overflow_policy,
                                          RoundingPolicy             rounding_policy,
                                          const ActivationLayerInfo &act_info)
{
    configure(CLKernelLibrary::get().get_compile_context(), input1, input2, output, scale, overflow_policy,
              rounding_policy, act_info);
}

void CLPixelWiseMultiplication::configure(const CLCompileContext    &compile_context,
                                          ICLTensor                 *input1,
                                          ICLTensor                 *input2,
                                          ICLTensor                 *output,
                                          float                      scale,
                                          ConvertPolicy              overflow_policy,
                                          RoundingPolicy             rounding_policy,
                                          const ActivationLayerInfo &act_info)
{
    _impl->src_0 = input1;
    _impl->src_1 = input2;
    _impl->dst   = output;
    _impl->op    = std::make_unique<opencl::ClMul>();
    _impl->op->configure(compile_context, input1->info(), input2->info(), output->info(), scale, overflow_policy,
                         rounding_policy, act_info);
}

Status CLPixelWiseMultiplication::validate(const ITensorInfo         *input1,
                                           const ITensorInfo         *input2,
                                           const ITensorInfo         *output,
                                           float                      scale,
                                           ConvertPolicy              overflow_policy,
                                           RoundingPolicy             rounding_policy,
                                           const ActivationLayerInfo &act_info)
{
    return opencl::ClMul::validate(input1, input2, output, scale, overflow_policy, rounding_policy, act_info);
}

void CLPixelWiseMultiplication::run()
{
    ITensorPack pack;
    pack.add_tensor(TensorType::ACL_SRC_0, _impl->src_0);
    pack.add_tensor(TensorType::ACL_SRC_1, _impl->src_1);
    pack.add_tensor(TensorType::ACL_DST, _impl->dst);

    _impl->op->run(pack);
}

struct CLComplexPixelWiseMultiplication::Impl
{
    const ICLTensor                      *src_0{nullptr};
    const ICLTensor                      *src_1{nullptr};
    ICLTensor                            *dst{nullptr};
    std::unique_ptr<opencl::ClComplexMul> op{nullptr};
};

CLComplexPixelWiseMultiplication::CLComplexPixelWiseMultiplication() : _impl(std::make_unique<Impl>())
{
}
CLComplexPixelWiseMultiplication::CLComplexPixelWiseMultiplication(CLComplexPixelWiseMultiplication &&) = default;
CLComplexPixelWiseMultiplication &
CLComplexPixelWiseMultiplication::operator=(CLComplexPixelWiseMultiplication &&) = default;
CLComplexPixelWiseMultiplication::~CLComplexPixelWiseMultiplication()            = default;

void CLComplexPixelWiseMultiplication::configure(ICLTensor                 *input1,
                                                 ICLTensor                 *input2,
                                                 ICLTensor                 *output,
                                                 const ActivationLayerInfo &act_info)
{
    configure(CLKernelLibrary::get().get_compile_context(), input1, input2, output, act_info);
}

void CLComplexPixelWiseMultiplication::configure(const CLCompileContext    &compile_context,
                                                 ICLTensor                 *input1,
                                                 ICLTensor                 *input2,
                                                 ICLTensor                 *output,
                                                 const ActivationLayerInfo &act_info)
{
    _impl->src_0 = input1;
    _impl->src_1 = input2;
    _impl->dst   = output;
    _impl->op    = std::make_unique<opencl::ClComplexMul>();
    _impl->op->configure(compile_context, input1->info(), input2->info(), output->info(), act_info);
}

Status CLComplexPixelWiseMultiplication::validate(const ITensorInfo         *input1,
                                                  const ITensorInfo         *input2,
                                                  const ITensorInfo         *output,
                                                  const ActivationLayerInfo &act_info)
{
    return opencl::ClComplexMul::validate(input1, input2, output, act_info);
}

void CLComplexPixelWiseMultiplication::run()
{
    ITensorPack pack;
    pack.add_tensor(TensorType::ACL_SRC_0, _impl->src_0);
    pack.add_tensor(TensorType::ACL_SRC_1, _impl->src_1);
    pack.add_tensor(TensorType::ACL_DST, _impl->dst);

    _impl->op->run(pack);
}
} // namespace arm_compute
