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f32tof16 (sm5 - asm)

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Component-wise float16 to float32 conversion.

f32tof16 dest[.mask], [-]src0[.swizzle]
Item Description
dest
 [in] The address of float16 result.
src0
 [in] The float32 value to convert.

Remarks

This instruction performs a component-wise conversion of a float32 value to a float16 value result placed in LSB 16 bits.

This instruction follows D3D rules for floating point conversion.

Use this instruction for shader-driven data compression.

This instruction applies to the following shader stages:

Vertex Hull Domain Geometry Pixel Compute
X X X X X X

Minimum Shader Model

This instruction is supported in the following shader models:

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

Shader Model 5 Assembly (DirectX HLSL)