/*
 * Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved.
 *
 * 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.
 */

#pragma once

#include <NvInfer.h>
#include <memory>

#if NV_TENSORRT_MAJOR < 4
namespace nvinfer1
{

enum class PluginFormat : uint8_t
{
    kNCHW = 0,   //!< NCHW
    kNC2HW2 = 1, //!< NCHW with 2-element packed channels
    kNHWC8 = 2   //!< NHWC with 8-element packed channels (C
                 //! must be a multiple of 8)
};
// from NvInfer.h
class IPluginExt : public IPlugin
{
public:
    virtual int getTensorRTVersion() const
    {
        return NV_TENSORRT_VERSION;
    }
    virtual bool supportsFormat(DataType type, PluginFormat format) const = 0;
    virtual void configureWithFormat(const Dims* inputDims, int nbInputs, const Dims* outputDims, int nbOutputs,
        DataType type, PluginFormat format, int maxBatchSize)
        = 0;

protected:
    void configure(const Dims* inputDims, int nbInputs, const Dims* outputDims, int nbOutputs, int maxBatchSize) final
    {
        DataType type = nvinfer1::DataType::kFLOAT;
        PluginFormat format = nvinfer1::PluginFormat::kNCHW;
        return this->configureWithFormat(inputDims, nbInputs, outputDims, nbOutputs, type, format, maxBatchSize);
    }
    virtual ~IPluginExt()
    {
    }
};

} // namespace nvinfer1
#endif

namespace onnx2trt
{

struct IOwnable
{
    virtual void destroy() = 0;

protected:
    virtual ~IOwnable()
    {
    }
};

struct OwnableDeleter
{
    void operator()(IOwnable* obj) const
    {
        obj->destroy();
    }
};

using UniqueOwnable = std::unique_ptr<IOwnable, OwnableDeleter>;
class Plugin;
class PluginV2;

} // namespace onnx2trt