Shadow Generations Shaders - Blend dpndpn: Difference between revisions

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Latest revision as of 10:38, 25 August 2025

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Overview

Shader Behavior Overview

Shader model:

[2] Standard (PBR)
Supports:

Multiple tangents

Does not support:

An advanced PBR shader that lets you blend between two sets of textures using vertex alpha.

Related shaders

Behavior

This shader has two sets of PBR textures:

diffuse, specular and normal
diffuse[1], specular[1] and normal[1]

The shader uses a blend factor to interpolate from the first set of textures to second one.
This blend factor consists of just the vertex alpha.

For the specular and normal textures, the blend factor is used as is.
For the diffuse textures, the blend factor is multiplied by the diffuse[1] texture alpha.

Multi-tangent

When enabled, the second set of tangents will be used to unpack the normal[1] texture.

Vertex Colors

Color is multiplied into the blended together diffuse texture color
Alpha is used as the basis for the blend factor

Material Inputs

Textures


Name	Index	UV Index	Kind	Red	Green	Blue	Alpha
`diffuse`	0	0	Albedo	First Albedo color			N/A
`diffuse`	1	2	Albedo	Second Albedo color			Multiplied into the vertex alpha (blend factor), but only for when blending the two diffuse textures!
`specular`	0	0	PRM	First Specular factor; Gets multiplied by 0.25	First Smoothness factor	First Metallic factor	First Ambient Occlusion
`specular`	1	2	PRM	Second Specular factor; Gets multiplied by 0.25	Second Smoothness factor	Second Metallic factor	Second Ambient Occlusion
`normal`	0	0	Normal map	First Normal map direction		N/A	N/A
`normal`	1	2	Normal map	Second Normal map direction		N/A	N/A

Parameters

This shader does not use any parameters.

Gallery

How Blend_dpndpn is used to transition from the bridge to the grass

Technical

Shader Features
`is_use_tex_srt_anim`
`enable_multi_tangent_space`
`is_use_gi_prt`
`is_use_gi_sg`
`is_use_gi`

@@ Line 5: / Line 5: @@
 | overview =
-An advanced PBR shader that lets you blend between two sets of textures using vertex colors.
+An advanced [[Hedgehog_Engine_2_-_Physically_Based_Rendering_(PBR)|PBR]] shader that lets you blend between two sets of textures using vertex alpha.
 | related shaders =
-Blend_dpnbdpn
+Blend_dpnbdpn,
+BlendDetail_dndnd,
+BlendDetail_dpndpnn,
+Detail_dpndpn,
+Detail_dpnn,
+DirectionBlend_dpndpn,
+DirectionBlend_dpndpnn,
+DirectionBlend_dpnndpn,
+DistanceBlend_dpn
 | behavior =
@@ Line 15: / Line 23: @@
 * <code>diffuse[1]</code>, <code>specular[1]</code> and <code>normal[1]</code>
-The shader uses a <b>blend factor</b> to [[Texture Blending#Interpolation|interpolate]] from the first texture set to the second texture set.
+The shader uses a <b>blend factor</b> to [[Texture Blending#Interpolation|interpolate]] from the first set of textures to second one.
+<br/>This <b>blend factor</b> consists of just the vertex alpha.
-* For the <code>specular</code> and <code>normal</code> textures, <b>blend factor</b> is just the vertex alpha.
+* For the <code>specular</code> and <code>normal</code> textures, the <b>blend factor</b> is used as is.
-* For the <code>diffuse</code> textures, the <b>blend factor</b> is the vertex alpha multiplied by the <code>diffuse[1]</code> texture alpha.
+* For the <code>diffuse</code> textures, the <b>blend factor</b> is multiplied by the <code>diffuse[1]</code> texture alpha.
-| vertex color =
+| multi tangent =
-* Color is multiplied into the diffuse texture color (after blending)
+When enabled, the second set of tangents will be used to [[Normal_mapping#Tangent_Space|unpack]] the <code>normal[1]</code> texture.
-* Alpha is used as the basis for the blend factor
+| vertex colors =
+* Color is multiplied into the blended together diffuse texture color
+* Alpha is used as the basis for the <b>blend factor</b>
 | textures =
@@ Line 55: / Line 67: @@
 [[Hedgehog Engine 2 - Textures#Normal map|Normal map]],
 Second [[Normal_mapping|Normal map direction]]_,,;
+| gallery =
+File:ShadowGenerations Blend dpndpn example.jpg{{!}}How <code>Blend_dpndpn</code> is used to transition from the bridge to the grass
 | features =