Advanced Channel Packing - Shader Graph Basics - Episode 23

In this shader tutorial, I show an advanced technique for packing data into texture channels that allows you to represent all of the texture data needed for a material in just two texture samples. Using this method saves both texture memory and performance, but since you’re packing non-normal data in with the normal map, you do lose a little bit of quality in the normal. It also requires doing some extra steps in the shader to unpack the normal data, so I show how to do that too! If you’re new to texture packing, here’s a great tutorial series that covers the basics: Here’s last week’s video that shows the best way to measure shader performance: And here’s the playlist for the whole series: Shader Book Recommendations