dx-graphics-hlsl-clamp.md

title	description	ms.assetid	keywords	topic_type	api_name	api_type	ms.topic	ms.date	api_location
clamp	Clamps the specified value to the specified minimum and maximum range.	bcfafcec-3f9c-4b65-950c-da34184d5cdb	clamp HLSL	apiref	clamp	NA	reference	05/31/2018

clamp

Clamps the specified value to the specified minimum and maximum range.

ret clamp(x, min, max)

Parameters

Item	Description
x	[in] A value to clamp.
min	[in] The specified minimum range.
max	[in] The specified maximum range.

Return Value

The clamped value for the x parameter.

Remarks

For values of -INF or INF, clamp will behave as expected. However for values of NaN, the results are undefined.

Type Description

Name	Template Type	Component Type	Size
x	scalar, vector, or matrix	float, int	any
min	same as input x	float, int	same dimension(s) as input x
max	same as input x	float, int	same dimension(s) as input x
ret	same as input x	float, int	same dimension(s) as input x

Minimum Shader Model

This function is supported in the following shader models.

Shader Model	Supported
Shader Model 2 (DirectX HLSL) and higher shader models	yes
Shader Model 1 (DirectX HLSL)	vs_1_1 and ps_1_4

See also

Intrinsic Functions (DirectX HLSL)