// Copyright (c) 2018 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.


#pragma once

#include "training_kernel_base.h"
#include "kernel_selector_params.h"
#include <string>

namespace kernel_selector {
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// convolution_grad_weights_params
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
struct convolution_grad_weights_params : public training_params {
    convolution_grad_weights_params() : training_params(KernelType::CONVOLUTION_GRAD_WEIGHTS) {}

    uSize filterSize;
    uSize stride;
    uSize dilation;
    uSize padding;
    uint32_t split = 1;
    bool depthwise_separable_opt = false;
    bool output_grad_w = false;

    std::string to_string() const override;

    ParamsKey GetParamsKey() const override {
        ParamsKey k = training_params::GetParamsKey();

        if (split > 1) {
            k.EnableSplitSupport();
        }

        if (dilation.x != 1 || dilation.y != 1) {
            k.EnableDilation();
        }

        if (depthwise_separable_opt) {
            k.EnableDepthwiseSeparableOpt();
        }
        return k;
    }
};

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// convolution_grad_weights_optional_params
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
struct convolution_grad_weights_optional_params : training_optional_params {
    convolution_grad_weights_optional_params() : training_optional_params(KernelType::CONVOLUTION_GRAD_WEIGHTS) {}
};

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// ConvolutionGradWeightsKernelBase
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
class ConvolutionGradWeightsKernelBase : public training_kernel_base {
public:
    using training_kernel_base::training_kernel_base;
    virtual ~ConvolutionGradWeightsKernelBase() {}

    using DispatchData = CommonDispatchData;

protected:
    virtual KernelsData GetKernelsData(const Params& params, const optional_params& options) const;
    virtual JitConstants GetJitConstants(const convolution_grad_weights_params& params) const;
    virtual DispatchData SetDefault(const convolution_grad_weights_params& params) const;
};
}  // namespace kernel_selector