tensorrt.hpp

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// SPDX-FileCopyrightText: 2025 Povl Filip Sonne-Frederiksen
//
// SPDX-License-Identifier: GPL-3.0-or-later
 
#pragma once
#include <memory>
#include <string>
#include <unordered_map>
#include <vector>
 
namespace reusex::vision::tensor_rt::TensorRT {
 
enum class DType : int {
  FLOAT = 0,
  HALF = 1,
  INT8 = 2,
  INT32 = 3,
  BOOL = 4,
  UINT8 = 5,
  FP8 = 6,
  BF16 = 7,
  INT64 = 8,
  INT4 = 9,
  NONE = -1
};
 
class Engine {
    public:
  virtual ~Engine() = default;
  virtual bool
  forward(const std::unordered_map<std::string, const void *> &bindings,
          void *stream = nullptr, void *input_consum_event = nullptr) = 0;
  virtual int index(const std::string &name) = 0;
  virtual std::vector<int> run_dims(const std::string &name) = 0;
  virtual std::vector<int> run_dims(int ibinding) = 0;
  virtual std::vector<int> static_dims(const std::string &name) = 0;
  virtual std::vector<int> static_dims(int ibinding) = 0;
  virtual int numel(const std::string &name) = 0;
  virtual int numel(int ibinding) = 0;
  virtual int num_bindings() = 0;
  virtual bool is_input(int ibinding) = 0;
  virtual bool is_input(const std::string &name) = 0;
  virtual bool set_run_dims(const std::string &name,
                            const std::vector<int> &dims) = 0;
  virtual bool set_run_dims(int ibinding, const std::vector<int> &dims) = 0;
  virtual DType dtype(const std::string &name) = 0;
  virtual DType dtype(int ibinding) = 0;
  virtual bool has_dynamic_dim() = 0;
  virtual void print(const char *name = "TensorRT-Engine") = 0;
};
 
std::shared_ptr<Engine> load(const std::string &file);
}; // namespace reusex::vision::tensor_rt::TensorRT