output:the rendered beauty image
tex:an array connector for input textures, connect to an i-jpglst or i-lut module
blue:blue noise texture as input lut, as those provided by [christoph](http://momentsingraphics.de/BlueNoise.html)
irr:irradiance buffer, that is: beauty output divided by albedo
albedo:fake diffuse albedo for use with svgf, demodulated from the irradiance buffer
gbuf:packed normal and depth of the first intersection
