Method FromHostArray

src/colmap/mvs/cuda_texture.h:108–127

template <typename T>
std::unique_ptr<CudaArrayLayeredTexture<T>>
CudaArrayLayeredTexture<T>::FromHostArray(const cudaTextureDesc& texture_desc,
                                          const size_t width,
                                          const size_t height,
                                          const size_t depth,
                                          const T* data) {
  auto array = std::make_unique<CudaArrayLayeredTexture<T>>(
      texture_desc, width, height, depth);

  cudaMemcpy3DParms params;
  memset(&params, 0, sizeof(params));
  params.extent = make_cudaExtent(width, height, depth);
  params.kind = cudaMemcpyHostToDevice;
  params.srcPtr =
      make_cudaPitchedPtr((void*)data, width * sizeof(T), width, height);
  params.dstArray = array->array_;
  CUDA_SAFE_CALL(cudaMemcpy3D(&params));

  return array;
}

template <typename T>
CudaArrayLayeredTexture<T>::CudaArrayLayeredTexture(