1. Available Material Quality Levels
The default is that all material quality levels are available.
2. Default Material Quality Level
The default setting is Heigh (high quality). Lowering the quality can improve performance.
3. Distortion
Enable this option to use the Distortion feature in HDRP's Unlit shader.
4. Subsurface Scattering
If you enable the High Quality option, you can greatly increase the sampling value of the subsurface scattering effect, but at the same time increasing the effect will cost more performance.
5、Fabric BSDF Convolution
When this option is enabled, when using the Fabric material, HDRP will calculate a separate inverse color probe data for the Fabric Shader, which is used to generate more accurate lighting effects.
It will also cause two reflection probe data to exist in the project, reducing the number of reflection probes currently visible by half.
6. Diffusion Profile List
Save a Diffusion Profile that controls subsurface scattering and translucency. One HDRP profile can save up to 15 Diffusion Profiles.