op_map.h

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*    Copyright (c) 2021 Vivante Corporation
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#ifndef TENSORFLOW_LITE_DELEGATES_VX_DELEGAGE_OP_MAP_H_
#define TENSORFLOW_LITE_DELEGATES_VX_DELEGAGE_OP_MAP_H_

#include <functional>
#include <map>
#include <memory>
#include <vector>

#include "delegate_main.h"
#include "tim/vx/operation.h"

namespace vx {
namespace op_map {

struct IOpMapper {
  IOpMapper() {}
  virtual ~IOpMapper() {}

  virtual bool IsSupported(TfLiteContext* context,
                           TfLiteNode* node,
                           const TfLiteRegistration* registration) const {
    return true;
  }

  virtual bool GetStateTensorIndexes(TfLiteContext* context,
                                     TfLiteNode* node,
                                     const TfLiteRegistration* registration,
                                     std::vector<int>& states) const {
    return false;
  }

  virtual size_t GetParamSize() const { return 0; }

  virtual bool MapOp(vx::delegate::Delegate* delegate,
                     std::vector<std::shared_ptr<tim::vx::Tensor>> inputs,
                     std::vector<std::shared_ptr<tim::vx::Tensor>> outputs,
                     std::vector<std::shared_ptr<tim::vx::Tensor>> states,
                     const void* params) = 0;
};

using OperationMapItemType = std::map<int, std::unique_ptr<IOpMapper>>;
using CustomOperationMapItemType =
    std::map<std::string, std::unique_ptr<IOpMapper>>;

const OperationMapItemType& SupportedBuiltinOps();
const CustomOperationMapItemType& SupportedBuiltinCustomOps();

}  // namespace op_map
}  // namespace vx
#endif /* TENSORFLOW_LITE_DELEGATES_VX_DELEGAGE_OP_MAP_H_ */