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3rdparty/opencv-4.5.4/modules/dnn/src/cuda4dnn/primitives/split.hpp 1.52 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.
  
  #ifndef OPENCV_DNN_SRC_CUDA4DNN_PRIMITIVES_SPLIT_HPP
  #define OPENCV_DNN_SRC_CUDA4DNN_PRIMITIVES_SPLIT_HPP
  
  #include "../../op_cuda.hpp"
  
  #include "../csl/stream.hpp"
  #include "../csl/tensor_ops.hpp"
  
  #include <opencv2/core.hpp>
  
  #include <utility>
  
  namespace cv { namespace dnn { namespace cuda4dnn {
  
      template <class T>
      class SplitOp final : public CUDABackendNode {
      public:
          using wrapper_type = GetCUDABackendWrapperType<T>;
  
          SplitOp(csl::Stream stream_)
              : stream(std::move(stream_))
          {
          }
  
          void forward(
              const std::vector<cv::Ptr<BackendWrapper>>& inputs,
              const std::vector<cv::Ptr<BackendWrapper>>& outputs,
              csl::Workspace& workspace) override
          {
              CV_Assert(inputs.size() == 1);
  
              auto input_wrapper = inputs[0].dynamicCast<wrapper_type>();
              auto input = input_wrapper->getView();
  
              for (int i = 0; i < outputs.size(); i++)
              {
                  auto output_wrapper = outputs[i].dynamicCast<wrapper_type>();
                  auto output = output_wrapper->getSpan();
  
                  csl::tensor_ops::copy<T>(stream, output, input);
              }
          }
  
      private:
          csl::Stream stream;
      };
  
  }}} /* namespace cv::dnn::cuda4dnn */
  
  #endif /* OPENCV_DNN_SRC_CUDA4DNN_PRIMITIVES_SPLIT_HPP */