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clip

Discards the current pixel if the specified value is less than zero.

clip(x)

 

Parameters

ItemDescription

x

[in] The specified value.

 

Return Value

None.

Remarks

Use the clip HLSL intrinsic function to simulate clipping planes if each component of the x parameter represents the distance from a plane.

Also, use the clip function to test for alpha behavior, as shown in the following example:



clip( Input.Color.A < 0.1f ? -1:1 );


Type Description

Name Template Type Component Type Size
xscalar, vector, or matrix float any

 

Minimum Shader Model

This function is supported in the following shader models.

Shader ModelSupported
Shader Model 4 yes (pixel shader only)
Shader Model 3 (DirectX HLSL) yes (pixel shader only)
Shader Model 2 (DirectX HLSL) yes (pixel shader only)
Shader Model 1 (DirectX HLSL) yes (pixel shader only)

 

See also

Intrinsic Functions (DirectX HLSL)

 

 

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