/*
 * 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/NEON/functions/NEDepthConvertLayer.h"

#include "arm_compute/core/Validate.h"
#include "src/cpu/operators/CpuCast.h"

#include <utility>

namespace arm_compute
{
struct NEDepthConvertLayer::Impl
{
    const ITensor                *src{ nullptr };
    ITensor                      *dst{ nullptr };
    std::unique_ptr<cpu::CpuCast> op{ nullptr };
};

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

void NEDepthConvertLayer::configure(const ITensor *input, ITensor *output, ConvertPolicy policy, uint32_t shift)
{
    ARM_COMPUTE_UNUSED(shift);

    _impl->src = input;
    _impl->dst = output;

    ARM_COMPUTE_ERROR_ON_NULLPTR(_impl->src, _impl->dst);
    ARM_COMPUTE_ERROR_ON(shift != 0);

    _impl->op = std::make_unique<cpu::CpuCast>();
    _impl->op->configure(_impl->src->info(), _impl->dst->info(), policy);
}

Status NEDepthConvertLayer::validate(const ITensorInfo *input, const ITensorInfo *output, ConvertPolicy policy, uint32_t shift)
{
    ARM_COMPUTE_RETURN_ERROR_ON(shift != 0);
    return cpu::CpuCast::validate(input, output, policy);
}

void NEDepthConvertLayer::run()
{
    ITensorPack pack = { { ACL_SRC, _impl->src }, { ACL_DST, _impl->dst } };
    _impl->op->run(pack);
}
} // namespace arm_compute