TIM-VX/src/tim/vx/graph_private.h

/****************************************************************************
*
*    Copyright (c) 2020 Vivante Corporation
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#ifndef TIM_VX_GRAPH_PRIVATE_H_
#define TIM_VX_GRAPH_PRIVATE_H_
#include "tim/vx/graph.h"

#include <vector>
#include <mutex>
#include <utility>
#include <map>

#include "tim/vx/tensor.h"
#include "context_private.h"

#include "vsi_nn_pub.h"

namespace tim {
namespace vx {

class GraphImpl : public Graph {
 public:
  GraphImpl(ContextImpl* context);
  ~GraphImpl();

  /// Return the low-level graph object
  vsi_nn_graph_t* graph();
  void AddInput(vsi_nn_tensor_id_t id);
  void AddOutput(vsi_nn_tensor_id_t id);

  void AddInput(const std::shared_ptr<Tensor>& tensor);
  void AddOutput(const std::shared_ptr<Tensor>& tensor);

  const std::vector<std::shared_ptr<Tensor>> InputsTensor() const override;
  const std::vector<std::shared_ptr<Tensor>> OutputsTensor() const override;

  void UpdateTensorConsumersMap(const std::shared_ptr<Tensor>& tensor,
                                const Operation* op) override;
  void UpdateTensorProducerMap(const std::shared_ptr<Tensor>& tensor,
                                const Operation* op) override;
  const std::vector<std::shared_ptr<Operation>> GetConsumersOp(
      std::shared_ptr<Tensor> tensor) const override;
  std::shared_ptr<Operation> GetProducerOp(
      std::shared_ptr<Tensor> tensor) override;

  void PrintGraph() const override;

  std::shared_ptr<Tensor> CreateTensor(const TensorSpec& spec,
                                       const void* data = nullptr) override;
  std::shared_ptr<Tensor> CreateTensor(const TensorSpec& spec,
                                       const DmaBufferDesc& dmafd) override;
  std::shared_ptr<Tensor> CreateTensorPlaceHolder() override;

  bool Compile() override;
  bool CompileToBinary(void* buf, size_t* size) override;
  bool Run() override;

 protected:
  ContextImpl* context_;
  vsi_nn_graph_t* graph_;
  std::shared_ptr<Tensor> tensor_placeholder_;
  std::once_flag setio_once_;
  std::once_flag setup_once_;
  std::once_flag verify_graph_once_;
  std::vector<vsi_nn_tensor_id_t> inputs_;
  std::vector<vsi_nn_tensor_id_t> outputs_;
  std::vector<std::shared_ptr<Tensor>> inputs_tensor_;
  std::vector<std::shared_ptr<Tensor>> outputs_tensor_;
  std::map<std::shared_ptr<Tensor>, std::vector<std::shared_ptr<Operation>>> tensor_consumers_;
  std::map<std::shared_ptr<Tensor>, std::shared_ptr<Operation>> tensor_producer_;
};

}  // namespace vx
}  // namespace tim

#endif /* TIM_VX_GRAPH_PRIVATE_H_ */