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DDX Node

Description

Returns the partial derivative of the input In with respect to the screen-space x-coordinate. This node can only be used in the pixel shader stage.

Ports

Name	Direction	Type	Description
In	Input	Dynamic Vector	Input value
Out	Output	Dynamic Vector	Output partial derivative value

Generated Code Example

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

void Unity_DDX_float4(float4 In, out float4 Out)
{
    Out = ddx(In);
}