Pre-integrated Skin BRDF Texture in Colorspace

It is the article of pre-integrated skin BRDF texture.

This BRDF Texture is made in linear colorspace.
DiffuseScatteringOnRing.png

This Texture is made in gamma colorspace
(It process gamma correct after texture generation).
DiffuseScatteringOnRing_Gamma1024

linear colorspace texture(left) uncheck sRGB. It is linear texture.
gamma colorspace texture(right) check sRGB.
inspector

And I draw texture. (Unity rendering setting set linear colorspace)
It looks similar. but,Compare

Left zoom in. It has color banding.compare2

So, If you wanna high quality skin rendering, use gamma space BRDF texture.
>>> download: 1024×1024 Size Skin BRDF Texture on Gamma Colorspace

 

Reference

SIGGRAPH 2011- Pre-Integrated Skin Shading
http://advances.realtimerendering.com/s2011/Penner%20-%20Pre-Integrated%20Skin%20Rendering%20(Siggraph%202011%20Advances%20in%20Real-Time%20Rendering%20Course).pptx