Helper.h

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#pragma once

#ifdef BUILD_CUDA_MODULE

#include <cuda.h>
#include <cuda_runtime.h>

#endif  // #ifdef BUILD_CUDA_MODULE

namespace open3d {
namespace ml {

#ifdef BUILD_CUDA_MODULE
inline int GetCUDACurrentDeviceTextureAlignment() {
    int device = 0;
    cudaError_t err = cudaGetDevice(&device);
    if (err != cudaSuccess) {
        throw std::runtime_error(
                "GetCUDACurrentDeviceTextureAlignment(): cudaGetDevice failed "
                "with {}" +
                std::string(cudaGetErrorString(err)));
    }

    int value = 0;
    err = cudaDeviceGetAttribute(&value, cudaDevAttrTextureAlignment, device);
    if (err != cudaSuccess) {
        throw std::runtime_error(
                "GetCUDACurrentDeviceTextureAlignment(): cudaGetDevice failed "
                "with {}" +
                std::string(cudaGetErrorString(err)));
    }
    return value;
}
#endif

}  // namespace ml
}  // namespace open3d