Rasagar/Library/PackageCache/com.unity.shadergraph/Documentation~/Saturation-Node.md

Saturation Node

Description

Adjusts the saturation of input In by the amount of input Saturation. A Saturation value of 1 will return the input unaltered. A Saturation value of 0 will return the input completely desaturated.

Ports

Name	Direction	Type	Binding	Description
In	Input	Vector 3	None	Input value
Saturation	Input	Float	None	Saturation value
Out	Output	Vector 3	None	Output value

Generated Code Example

The following example code represents one possible outcome of this node.

void Unity_Saturation_float(float3 In, float Saturation, out float3 Out)
{
    float luma = dot(In, float3(0.2126729, 0.7151522, 0.0721750));
    Out =  luma.xxx + Saturation.xxx * (In - luma.xxx);
}