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.
| Name | Direction | Type | Description |
|---|---|---|---|
| In | Input | Dynamic Vector | Input value |
| Out | Output | Dynamic Vector | Output partial derivative value |
The following example code represents one possible outcome of this node.
void Unity_DDX_float4(float4 In, out float4 Out)
{
Out = ddx(In);
}