I was wondering whether there could ever be a Material BRDF where it can be combination of the different BDRF's we went over in class, and I ended up finding out that there are many and much more than 4, but the 4 we learned in class are some of the basic ways to describe it. https://digibug.ugr.es/bitstream/handle/10481/19751/rmontes_LSI-2012-001TR.pdf
I was wondering whether there could ever be a Material BRDF where it can be combination of the different BDRF's we went over in class, and I ended up finding out that there are many and much more than 4, but the 4 we learned in class are some of the basic ways to describe it. https://digibug.ugr.es/bitstream/handle/10481/19751/rmontes_LSI-2012-001TR.pdf