Method init

devices/cuda/cuda_external_buffer.cpp:75–90

  }

  void CUDAExternalBuffer::init(const cudaExternalMemoryHandleDesc& handleDesc)
  {
    checkError(cudaImportExternalMemory(&extMem, &handleDesc));

    void* devPtr = nullptr;
    cudaExternalMemoryBufferDesc bufferDesc{};
    bufferDesc.offset = 0;
    bufferDesc.size   = handleDesc.size;
    bufferDesc.flags  = 0;
    checkError(cudaExternalMemoryGetMappedBuffer(&devPtr, extMem, &bufferDesc));

    ptr      = static_cast<char*>(devPtr);
    byteSize = handleDesc.size;
    shared   = true;
    storage  = Storage::Device;
  }

  CUDAExternalBuffer::~CUDAExternalBuffer()
  {