how to get mesh render by c++ port

[guyuezuntinggithub]

Is your feature request related to a problem? Please describe.
Please describe the problem you are trying to solve.
I want get mesh render on original image.
Describe the solution you'd like
Please describe the desired behavior.
solve this problem by using C++ port
Describe alternatives you've considered
Please describe alternative solutions or features you have considered.
I have not alternative solutions yet