/**
 * \file src/opr/impl/imgproc.sereg.h
 * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 *
 * Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT ARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 */

//#include <type_traits>
#include "megbrain/opr/imgproc.h"
#include "megbrain/serialization/sereg.h"
#include "megdnn/opr_param_defs.h"

namespace mgb {
namespace serialization {
//! OprMaker implementation for operators with variadic arguments
template <>
struct OprMaker<opr::WarpPerspective, 0> {
    using Opr = opr::WarpPerspective;
    using Param = Opr::Param;
    static cg::OperatorNodeBase* make(const Param& param,
                                      const cg::VarNodeArray& inputs,
                                      ComputingGraph& graph,
                                      const OperatorNodeConfig& config) {
        MGB_MARK_USED_VAR(graph);
        if (inputs.size() == 3) {
            return Opr::make(inputs[0], inputs[1], inputs[2], param, config)
                    .node()
                    ->owner_opr();
        } else {
            mgb_assert(inputs.size() == 4);
            return Opr::make(inputs[0], inputs[1], inputs[2], inputs[3], param,
                             config)
                    .node()
                    ->owner_opr();
        }
    }
};

template <>
struct OprMaker<opr::Remap, 0> {
    using Opr = opr::Remap;
    using Param = Opr::Param;
    static cg::OperatorNodeBase* make(const Param& param,
                                      const cg::VarNodeArray& inputs,
                                      ComputingGraph& graph,
                                      const OperatorNodeConfig& config) {
        MGB_MARK_USED_VAR(graph);
        if (inputs.size() == 2) {
            return Opr::make(inputs[0], inputs[1], param, config)
                    .node()
                    ->owner_opr();
        } else {
            return nullptr;
        }
    }
};

template <>
struct OprMaker<opr::RemapBackwardMat, 0> {
    using Opr = opr::RemapBackwardMat;
    using Param = Opr::Param;
    static cg::OperatorNodeBase* make(const Param& param,
                                      const cg::VarNodeArray& inputs,
                                      ComputingGraph& graph,
                                      const OperatorNodeConfig& config) {
        MGB_MARK_USED_VAR(graph);
        if (inputs.size() == 3) {
            return Opr::make(inputs[0], inputs[1], inputs[2], param, config)
                    .node()
                    ->owner_opr();
        } else {
            return nullptr;
        }
    }
};

template <>
struct OprMaker<opr::RemapBackwardData, 0> {
    using Opr = opr::RemapBackwardData;
    using Param = Opr::Param;
    static cg::OperatorNodeBase* make(const Param& param,
                                      const cg::VarNodeArray& inputs,
                                      ComputingGraph& graph,
                                      const OperatorNodeConfig& config) {
        MGB_MARK_USED_VAR(graph);
        if (inputs.size() == 3) {
            return Opr::make(inputs[0], inputs[1], inputs[2], param, config)
                    .node()
                    ->owner_opr();
        } else {
            return nullptr;
        }
    }
};

template <>
struct OprMaker<opr::DctChannelSelectForward, 0> {
    using Opr = opr::DctChannelSelectForward;
    using Param = Opr::Param;
    static cg::OperatorNodeBase* make(const Param& param,
                                      const cg::VarNodeArray& inputs,
                                      ComputingGraph& graph,
                                      const OperatorNodeConfig& config) {
        MGB_MARK_USED_VAR(graph);
        if (inputs.size() == 3) {
            return Opr::make(inputs[0], inputs[1], inputs[2], param, config)
                    .node()
                    ->owner_opr();
        } else {
            mgb_assert(inputs.size() == 1);
            return Opr::make(inputs[0], param, config).node()->owner_opr();
        }
    }
};

template <>
struct OprMaker<opr::WarpPerspectiveBackwardData, 0> {
    using Opr = opr::WarpPerspectiveBackwardData;
    using Param = Opr::Param;
    static cg::OperatorNodeBase* make(const Param& param,
                                      const cg::VarNodeArray& inputs,
                                      ComputingGraph& graph,
                                      const OperatorNodeConfig& config) {
        MGB_MARK_USED_VAR(graph);
        if (inputs.size() == 3) {
            return Opr::make(inputs[0], inputs[1], inputs[2], param, config)
                    .node()
                    ->owner_opr();
        } else {
            mgb_assert(inputs.size() == 4);
            return Opr::make(inputs[0], inputs[1], inputs[2], inputs[3], param,
                             config)
                    .node()
                    ->owner_opr();
        }
    }
};

template <>
struct OprMaker<opr::WarpPerspectiveBackwardMat, 0> {
    using Opr = opr::WarpPerspectiveBackwardMat;
    using Param = Opr::Param;
    static cg::OperatorNodeBase* make(const Param& param,
                                      const cg::VarNodeArray& inputs,
                                      ComputingGraph& graph,
                                      const OperatorNodeConfig& config) {
        MGB_MARK_USED_VAR(graph);
        if (inputs.size() == 3) {
            return Opr::make(inputs[0], inputs[1], inputs[2], param, config)
                    .node()
                    ->owner_opr();
        } else {
            mgb_assert(inputs.size() == 4);
            return Opr::make(inputs[0], inputs[1], inputs[2], inputs[3], param,
                             config)
                    .node()
                    ->owner_opr();
        }
    }
};
}  // namespace serialization

namespace opr {
using WarpPerspectiveV2 = WarpPerspective;
using WarpPerspectiveBackwardDataV2 = WarpPerspectiveBackwardData;
using WarpPerspectiveBackwardMatV2 = WarpPerspectiveBackwardMat;
MGB_SEREG_OPR(WarpPerspectiveV2, 0);
MGB_SEREG_OPR(WarpPerspectiveBackwardDataV2, 0);
MGB_SEREG_OPR(WarpPerspectiveBackwardMatV2, 0);

MGB_SEREG_OPR(Rotate, 1);
MGB_SEREG_OPR(CvtColor, 1);
MGB_SEREG_OPR(GaussianBlur, 1);

MGB_SEREG_OPR(ResizeBackward, 2);
using RemapV1 = Remap;
using RemapBackwardDataV1 = RemapBackwardData;
using RemapBackwardMatV1 = RemapBackwardMat;
MGB_SEREG_OPR(RemapV1, 2);
MGB_SEREG_OPR(RemapBackwardDataV1, 3);
MGB_SEREG_OPR(RemapBackwardMatV1, 3);

//! current warp affine version
using WarpAffineV2 = opr::WarpAffine;
MGB_SEREG_OPR(WarpAffineV2, 3);

//! current resize version
using ResizeV2 = opr::Resize;
MGB_SEREG_OPR(ResizeV2, 2);

using DctChannelSelectV1 = opr::DctChannelSelect;
MGB_SEREG_OPR(DctChannelSelectV1, 0);
}  // namespace opr


}  // namespace mgb

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