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frc (sm4 - asm)

Component-wise, extract fractional component.

frc[_sat] dest[.mask], [-] src0[_abs][.swizzle]

 

ItemDescription

dest

[in] The address of the result of the operation.

dest = src0 - round_ni(src0)

src0

[in] The component in the operation.

 

Remarks

The following table shows the results obtained when executing the instruction with various classes of numbers.

src-inf-F-denorm-0+0+denorm+F+infNaN
destNaN[+0 to 1)+0+0+0+0[+0 to 1)NaNNaN

 

F means finite-real number.

This instruction applies to the following shader stages:

Vertex ShaderGeometry ShaderPixel Shader
xxx

 

Minimum Shader Model

This function is supported in the following shader models.

Shader ModelSupported
Shader Model 5 yes
Shader Model 4.1 yes
Shader Model 4 yes
Shader Model 3 (DirectX HLSL) no
Shader Model 2 (DirectX HLSL) no
Shader Model 1 (DirectX HLSL) no

 

 

 

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