Shadow Generations Shaders - DistanceBlend dpn

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Overview

Shader Behavior Overview

Shader model:

   [2] Standard (PBR)
Does not support:

• Transparent mesh layer
• Noise
• Compute instancing

An advanced PBR shader that uses distance blending to blend between 3 sets of textures.

Related shaders

• Blend_dpndpn
• Blend_dpnbdpn
• BlendDetail_dndnd
• BlendDetail_dpndpnn
• Detail_dpndpn
• Detail_dpnn
• DirectionBlend_dpndpn
• DirectionBlend_dpndpnn
• DirectionBlend_dpnndpn

Behavior

This shader uses distance blending to blend between 3 sets of PBR textures:

• diffuse, diffuse[1] and diffuse[2]
• normal, normal[1] and normal[2]
• The specular texture counts as 3 different textures, each color channel containing the smoothness for a different set.

The specular factor is the same for every set, and the ambient occlusion from the specular texture only gets used for the first set, while the second and third sets don't receive any ambient occlusion.

The shaders DistanceBlend parameter determines at which distance to blend to each texture set:

• X and Y are used to blend to the second set of textures
• Z and W are used to blend to the third set of textures

The third set has priority over the second set, so if the distances are set up so that the third set starts blending in before the second, then the second won't be visible at all.

Vertex Colors

• Color is multiplied into the diffuse texture color
• Alpha is multiplied into the diffuse texture alpha

Material Inputs

Textures

Name	Index	UV Index	Kind	Red	Green	Blue	Alpha
diffuse	0	0	Albedo	First albedo color			First opacity
diffuse	1	Any	Albedo	Second albedo color			Second opacity
diffuse	2	Any	Albedo	Third albedo color			Third opacity
specular	0	0	N/A	First smoothness factor	Second smoothness factor	Third smoothness factor	Ambient Occlusion
normal	0	2	Normal map	First normal map direction		N/A	N/A
normal	1	Any	Normal map	Second normal map direction		N/A	N/A
normal	2	Any	Normal map	Third normal map direction		N/A	N/A

Parameters

Name	X	Y	Z	W
DistanceBlend	First distance center	First fade range	Second distance center	Second fade range
DetailFactor	UV scale for the diffuse[1] texture normal[1] texture specular texture (only for sampling the second smoothness factor)	UV scale for the diffuse[2] texture normal[2] texture specular texture (only for sampling the third smoothness factor)	N/A	N/A
PBRFactor	Specular factor	N/A	N/A	N/A

Technical

Shader Features
is_use_tex_srt_anim
enable_alpha_threshold
is_use_gi_prt
is_use_gi_sg
is_use_gi