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3rdparty/opencv-4.5.4/modules/gapi/src/backends/ie/giebackend.hpp 2.21 KB
f4334277   Hu Chunming   提交3rdparty
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  // This file is part of OpenCV project.
  // It is subject to the license terms in the LICENSE file found in the top-level directory
  // of this distribution and at http://opencv.org/license.html.
  //
  // Copyright (C) 2018-2020 Intel Corporation
  
  #ifndef OPENCV_GAPI_GIEBACKEND_HPP
  #define OPENCV_GAPI_GIEBACKEND_HPP
  
  // Include anyway - cv::gapi::ie::backend() still needs to be defined
  #include "opencv2/gapi/infer/ie.hpp"
  
  #ifdef HAVE_INF_ENGINE
  
  #include <ade/util/algorithm.hpp> // type_list_index
  #include <condition_variable>
  
  #include <inference_engine.hpp>
  
  #include <opencv2/gapi/garg.hpp>
  #include <opencv2/gapi/gproto.hpp>
  
  #include "api/gorigin.hpp"
  #include "backends/common/gbackend.hpp"
  #include "compiler/gislandmodel.hpp"
  
  #include "backends/ie/giebackend/giewrapper.hpp" // wrap::Plugin
  
  namespace cv {
  namespace gimpl {
  namespace ie {
  
  struct IECompiled {
      std::vector<InferenceEngine::InferRequest> createInferRequests();
  
      cv::gapi::ie::detail::ParamDesc     params;
      cv::gimpl::ie::wrap::Plugin         this_plugin;
      InferenceEngine::ExecutableNetwork  this_network;
  };
  
  class RequestPool;
  
  class GIEExecutable final: public GIslandExecutable
  {
      const ade::Graph &m_g;
      GModel::ConstGraph m_gm;
  
      // The only executable stuff in this graph
      // (assuming it is always single-op)
      ade::NodeHandle this_nh;
      IECompiled this_iec;
  
      // List of all resources in graph (both internal and external)
      std::vector<ade::NodeHandle> m_dataNodes;
  
      // To manage multiple async requests
      std::unique_ptr<RequestPool> m_reqPool;
  
  public:
      GIEExecutable(const ade::Graph                   &graph,
                    const std::vector<ade::NodeHandle> &nodes);
  
      virtual inline bool canReshape() const override { return false; }
      virtual inline void reshape(ade::Graph&, const GCompileArgs&) override {
          GAPI_Assert(false); // Not implemented yet
      }
  
      virtual void run(std::vector<InObj>  &&,
                       std::vector<OutObj> &&) override {
          GAPI_Assert(false && "Not implemented");
      }
  
      virtual void run(GIslandExecutable::IInput  &in,
                       GIslandExecutable::IOutput &out) override;
  
  };
  
  }}}
  
  #endif // HAVE_INF_ENGINE
  #endif // OPENCV_GAPI_GIEBACKEND_HPP