2012 Khronos Group
groupMemoryBarrier 3G
groupMemoryBarrier controls the ordering of memory transaction issued shader invocation relative to a work group

## Declaration

void `groupMemoryBarrier` void

## Description

`groupMemoryBarrier` waits on the completion of all memory accesses performed by an invocation of a compute shader relative to the same access performed by other invocations in the same work group and then returns with no other effect.

## Version Support

#VARTABLECOLS#
#FUNCTABLEHEADER#
groupMemoryBarrier#newin43#

## See Also

memoryBarrier, memoryBarrierImage, memoryBarrierBuffer, memoryBarrierShared

## Copyright

Copyright 2011-2012 Khronos Group. This material may be distributed subject to the terms and conditions set forth in the Open Publication License, v 1.0, 8 June 1999. http://opencontent.org/openpub/.