ddy-fine.md

title	description	ms.assetid	keywords	topic_type	api_name	api_type	ms.topic	ms.date	api_location
ddy_fine function	Computes a high precision partial derivative with respect to the screen-space x-coordinate. | ddy_fine function	29fcdbc9-470b-4b5b-b18c-f75dd2c87920	ddy_fine function HLSL	apiref	ddy_fine	NA	reference	05/31/2018

ddy_fine function

Computes a high precision partial derivative with respect to the screen-space x-coordinate.

Syntax

float ddy_fine(
  in float value
);

Parameters

value [in]

Type: float

The input value.

Return value

Type: float

The high precision partial derivative of value.

Remarks

The following overloaded versions are also available:

float2 ddy_fine(float2 value);
float3 ddy_fine(float3 value);
float4 ddy_fine(float4 value);  

Minimum Shader Model

This function is supported in the following shader models.

Shader Model	Supported
Shader Model 5 and higher shader models	yes

 

This function is supported in the following types of shaders:

Vertex	Hull	Domain	Geometry	Pixel	Compute
				x

 

See also

Intrinsic Functions

Shader Model 5