allmemorybarrierwithgroupsync.md

title	description	ms.assetid	keywords	topic_type	api_name	api_type	ms.topic	ms.date	api_location
AllMemoryBarrierWithGroupSync function	Blocks execution of all threads in a group until all memory accesses have been completed and all threads in the group have reached this call.	831830e7-19ce-41d0-b555-44a083b67cdc	AllMemoryBarrierWithGroupSync function HLSL	apiref	AllMemoryBarrierWithGroupSync	NA	reference	05/31/2018

AllMemoryBarrierWithGroupSync function

Blocks execution of all threads in a group until all memory accesses have been completed and all threads in the group have reached this call.

Syntax

void AllMemoryBarrierWithGroupSync(void);

Parameters

This function has no parameters.

Return value

This function does not return a value.

Remarks

A memory barrier guarantees that outstanding memory operations have completed. Threads are synchronized at GroupSync barriers. This may stall a thread or threads if memory operations are in progress.

The behavior of calls to this function that are within diverging branches of a thread group are undefined.

Minimum Shader Model

This function is supported in the following shader models.

Shader Model	Supported
Shader Model 5 and higher shader models	yes

 

This function is supported in the following types of shaders:

Vertex	Hull	Domain	Geometry	Pixel	Compute
					x

 

See also

Intrinsic Functions

Shader Model 5