/*
 * Copyright (c) 2019-2023 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.
 */
#ifndef ACL_ARM_COMPUTE_RUNTIME_FUNCTIONDESCRIPTORS_H
#define ACL_ARM_COMPUTE_RUNTIME_FUNCTIONDESCRIPTORS_H

#include "arm_compute/core/Types.h"
#include "arm_compute/function_info/ActivationLayerInfo.h"

#include <utility>

namespace arm_compute
{
/** FFT direction to use */
enum class FFTDirection
{
    Forward,
    Inverse
};

/** Descriptor used by the FFT1D function */
struct FFT1DInfo
{
    unsigned int axis{0};                          /**< Axis to run the FFT on. */
    FFTDirection direction{FFTDirection::Forward}; /**< Direction of the FFT. */
};

/** Descriptor used by the FFT2D function */
struct FFT2DInfo
{
    unsigned int axis0{0}; /**< Axis to run first pass on. If same, multiple transforms are performed on single axis*/
    unsigned int axis1{1}; /**< Axis to run second pass on. If same, multiple transforms are performed on single axis*/
    FFTDirection direction{FFTDirection::Forward}; /**< Direction of the FFT. */
};

/** Descriptor used by the 2d Convolution function */
struct Conv2dInfo
{
    Conv2dInfo() = default;

    Conv2dInfo(const PadStrideInfo       &conv_info,
               const Size2D              &dilation,
               const ActivationLayerInfo &act_info,
               bool                       enable_fast_math,
               unsigned int               num_groups,
               const WeightsInfo         &weights_info = WeightsInfo())
        : conv_info(conv_info),
          dilation(dilation),
          act_info(act_info),
          enable_fast_math(enable_fast_math),
          num_groups(num_groups),
          weights_info(weights_info)
    {
    }

    PadStrideInfo       conv_info{};
    Size2D              dilation{1U, 1U};
    ActivationLayerInfo act_info{};
    bool                enable_fast_math{false};
    unsigned int        num_groups{1};
    WeightsInfo         weights_info{};
};

/** Descriptor used by the 3d Convolution function */
struct Conv3dInfo
{
    Conv3dInfo() = default;

    Conv3dInfo(const Size3D                &stride,
               const Padding3D             &padding,
               const ActivationLayerInfo   &act_info,
               const Size3D                &dilation,
               const DimensionRoundingType &round_type,
               bool                         enable_fast_math)
        : stride(stride),
          padding(padding),
          act_info(act_info),
          dilation(dilation),
          round_type(round_type),
          enable_fast_math(enable_fast_math)
    {
    }

    Size3D                stride{1U, 1U, 1U};
    Padding3D             padding{};
    ActivationLayerInfo   act_info{};
    Size3D                dilation{1U, 1U, 1U};
    DimensionRoundingType round_type{};
    bool                  enable_fast_math{false};
};

} // namespace arm_compute
#endif // ACL_ARM_COMPUTE_RUNTIME_FUNCTIONDESCRIPTORS_H