#pragma once
#include "megdnn/oprs.h"

namespace megdnn {
namespace naive {
class Convolution3DForwardImpl : public Convolution3DForward {
public:
    using Convolution3DForward::Convolution3DForward;
    void exec(
            _megdnn_tensor_in src, _megdnn_tensor_in filter, _megdnn_tensor_out dst,
            _megdnn_workspace workspace) override;
    std::vector<Algorithm*> get_all_algorithms(
            const TensorLayout& src, const TensorLayout& filter,
            const TensorLayout& dst) override;
    std::vector<Algorithm*> get_all_algorithms_safe(
            const TensorLayout& src, const TensorLayout& filter,
            const TensorLayout& dst) override;
    Algorithm* get_algorithm_heuristic(
            const TensorLayout& src, const TensorLayout& filter,
            const TensorLayout& dst, size_t workspace_limit_in_bytes,
            const AlgoAttribute& positive_attr,
            const AlgoAttribute& negative_attr) override;
    size_t get_workspace_in_bytes(
            const TensorLayout&, const TensorLayout&, const TensorLayout&) override {
        return 0;
    }

    Algorithm* get_algorithm_from_desc(const AlgorithmDesc&) override;
    const char* get_algorithm_set_name() const override;
};

class Convolution3DBackwardDataImpl : public Convolution3DBackwardData {
public:
    using Convolution3DBackwardData::Convolution3DBackwardData;
    void exec(
            _megdnn_tensor_in filter, _megdnn_tensor_in diff, _megdnn_tensor_out grad,
            _megdnn_workspace workspace) override;
    std::vector<Algorithm*> get_all_algorithms(
            const TensorLayout& filter, const TensorLayout& diff,
            const TensorLayout& grad) override;
    std::vector<Algorithm*> get_all_algorithms_safe(
            const TensorLayout& filter, const TensorLayout& diff,
            const TensorLayout& grad) override;
    Algorithm* get_algorithm_heuristic(
            const TensorLayout& filter, const TensorLayout& diff,
            const TensorLayout& grad, size_t workspace_limit_in_bytes,
            const AlgoAttribute& positive_attr,
            const AlgoAttribute& negative_attr) override;
    size_t get_workspace_in_bytes(
            const TensorLayout&, const TensorLayout&, const TensorLayout&) override {
        return 0;
    }

    Algorithm* get_algorithm_from_desc(const AlgorithmDesc&) override;
    const char* get_algorithm_set_name() const override;
};

class Convolution3DBackwardFilterImpl : public Convolution3DBackwardFilter {
public:
    using Convolution3DBackwardFilter::Convolution3DBackwardFilter;
    void exec(
            _megdnn_tensor_in src, _megdnn_tensor_in diff, _megdnn_tensor_out grad,
            _megdnn_workspace workspace) override;
    std::vector<Algorithm*> get_all_algorithms(
            const TensorLayout& src, const TensorLayout& diff,
            const TensorLayout& grad) override;
    std::vector<Algorithm*> get_all_algorithms_safe(
            const TensorLayout& src, const TensorLayout& diff,
            const TensorLayout& grad) override;
    Algorithm* get_algorithm_heuristic(
            const TensorLayout& src, const TensorLayout& diff, const TensorLayout& grad,
            size_t workspace_limit_in_bytes, const AlgoAttribute& positive_attr,
            const AlgoAttribute& negative_attr) override;
    size_t get_workspace_in_bytes(
            const TensorLayout&, const TensorLayout&, const TensorLayout&) override {
        return 0;
    }
    Algorithm* get_algorithm_from_desc(const AlgorithmDesc&) override;
    const char* get_algorithm_set_name() const override;
};

}  // namespace naive
}  // namespace megdnn
   // vim: syntax=cpp.doxygen
