This repository contains the source code to use Covariance tracing in a rendering engine. This C++ code is header-only and has no dependency except of STL.
To use covariance tracing in your software, simply include the corresponding header file available in include and specify the two arguments of the template class (floatting point representation and Vector class):
#include <Covariance/Covariance4D.hpp>
Covariance::Covariance4D<float, Vector> cov;
See the different tutorials and source code documentation to get a better view on how to use this class in your code. To build the tutorials, remember to load the tinyexr git submodule.