f32tof16.md

title	description	ms.assetid	keywords	topic_type	api_name	api_type	ms.topic	ms.date	api_location
f32tof16 function	Converts an input into a float16 type.	45505fe2-e8ec-4659-b7c1-a506d89e8213	f32tof16 function HLSL	apiref	f32tof16	NA	reference	05/31/2018

f32tof16 function

Converts an input into a float16 type.

Syntax

uint f32tof16(
  in float value
);

Parameters

value [in]

Type: float

The input value.

Return value

Type: uint

The converted value, stored in the low-half of the uint.

Remarks

The following overloaded versions are also available:

uint2 f32tof16(float2 value);
uint3 f32tof16(float3 value);
uint4 f32tof16(float4 value);

Minimum Shader Model

This function is supported in the following shader models.

Shader Model	Supported
Shader Model 4 and higher shader models	yes

 

Although this function is available in Shader Model 4 and higher shader models, because it is emulated in 4.0 and 4.1, it is less perfomant on these shader models than it is on Shader Model 5.

This function is supported in the following types of shaders:

Vertex	Hull	Domain	Geometry	Pixel	Compute
x	x	x	x	x	x

 

See also

Intrinsic Functions

Shader Model 5