The project is licensed under the MIT license.
This software uses LodePNG for PNG loading Copyright (c) 2005-2016 Lode Vandevenne
Many thanks for an excellent piece of software
It also uses SDL2, this is used for viewing results.
Install SDL2 via for instance brew, (brew install sdl2)
Run cmake in the src directory on CMakeLists.txt or cmake -D CMAKE_BUILD_TYPE=Release CMakeLists.txt for a release build.
Right click the GPUImageProcessing folder, select open folder (VS). The project should configure itself, select the startup app and build.