[BUILDING]
1. Edit CMakeLists.txt to specify allolib's location
2. Build as you want
3. executables will be in ${BUILD_DIR}/bin
4. Make sure to run the app in the project root dir so the shader files can be found (ex: ./build/bin/ssao)

[SSAO]
1. Hit space in the app to turn ambient occulsion on and off
2. texture views on the left show intermediate steps

[FXAA]
1. Hit space in the app to turn antialiasing on and off