message: VSNRAY_{CPU|GPU}_FUNC for hipcc
diff: // Mark CPU and GPU functions
  //
  -#ifdef __CUDACC__
  +#if defined(__CUDACC__) || defined(__HIPCC__)
  #define VSNRAY_FUNC __device__ __host__
  #define VSNRAY_GPU_FUNC __device__
  #define VSNRAY_CPU_FUNC __host__
  #define VSNRAY_FUNC
  #define VSNRAY_GPU_FUNC
  #define VSNRAY_CPU_FUNC
  -#endif // __CUDACC__
  +#endif // __CUDACC__ || __HIPCC__
  //-------------------------------------------------------------------------------------------------
  