glClientWaitSync.3G man page

glClientWaitSync — block and wait for a sync object to become signaled

C Specification

GLenum glClientWaitSync(GLsync sync, GLbitfield flags, GLuint64 timeout);

Parameters

sync

The sync object whose status to wait on.

flags

A bitfield controlling the command flushing behavior. flags may be GL_SYNC_FLUSH_COMMANDS_BIT.

timeout

The timeout, specified in nanoseconds, for which the implementation should wait for sync to become signaled.

Description

glClientWaitSync causes the client to block and wait for the sync object specified by sync to become signaled. If sync is signaled when glClientWaitSync is called, glClientWaitSync returns immediately, otherwise it will block and wait for up to timeout nanoseconds for sync to become signaled.

The return value is one of four status values:

Notes

glClientWaitSync is available only if the GL version is 3.2 or greater.

Errors

GL_INVALID_VALUE is generated if sync is not the name of an existing sync object.

GL_INVALID_VALUE is generated if flags contains any unsupported flag.

Version Support

OpenGL Version
Function / Feature Name 2.0 2.1 3.0 3.1 3.2 3.3 4.0 4.1 4.2 4.3 4.4 4.5
glClientWaitSync - - - -

See Also

glFenceSync(), glIsSync() glWaitSync()

Info

02/10/2017 [FIXME: source] [FIXME: manual]