ddx-coarse.md

title	description	ms.assetid	keywords	topic_type	api_name	api_type	ms.topic	ms.date	api_location
ddx_coarse function	Computes a low precision partial derivative with respect to the screen-space x-coordinate.	5719f45d-b2ae-4916-8f31-c2797b661814	ddx_coarse function HLSL	apiref	ddx_coarse	NA	reference	05/31/2018

ddx_coarse function

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

Syntax

float ddx_coarse(
  in float value
);

Parameters

value [in]

Type: float

The input value.

Return value

Type: float

The low precision partial derivative of value.

Remarks

The following overloaded versions are also available:

float2 ddx_coarse(float2 value);
float3 ddx_coarse(float3 value);
float4 ddx_coarse(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