glGetSynciv man page on Darwin
[printable version]
GLGETSYNCIV(3G) OpenGL 3.3 GLGETSYNCIV(3G)
NAME
glGetSynciv - query the properties of a sync object
C SPECIFICATION
void glGetSynciv(GLsync sync, GLenum pname, GLsizei bufSize,
GLsizei *length, GLint *values);
PARAMETERS
sync
Specifies the sync object whose properties to query.
pname
Specifies the parameter whose value to retrieve from the sync
object specified in sync.
bufSize
Specifies the size of the buffer whose address is given in values.
length
Specifies the address of an variable to receive the number of
integers placed in values.
values
Specifies the address of an array to receive the values of the
queried parameter.
DESCRIPTION
glGetSynciv retrieves properties of a sync object. sync specifies the
name of the sync object whose properties to retrieve.
On success, glGetSynciv replaces up to bufSize integers in values with
the corresponding property values of the object being queried. The
actual number of integers replaced is returned in the variable whose
address is specified in length. If length is NULL, no length is
returned.
If pname is GL_OBJECT_TYPE, a single value representing the specific
type of the sync object is placed in values. The only type supported is
GL_SYNC_FENCE.
If pname is GL_SYNC_STATUS, a single value representing the status of
the sync object (GL_SIGNALED or GL_UNSIGNALED) is placed in values.
If pname is GL_SYNC_CONDITION, a single value representing the
condition of the sync object is placed in values. The only condition
supported is GL_SYNC_GPU_COMMANDS_COMPLETE.
If pname is GL_SYNC_FLAGS, a single value representing the flags with
which the sync object was created is placed in values. No flags are
currently supported[1].
If an error occurs, nothing will be written to values or length.
ERRORS
GL_INVALID_VALUE is generated if sync is not the name of a sync object.
GL_INVALID_ENUM is generated if pname is not one of the accepted
tokens.
SEE ALSO
glFenceSync(), glWaitSync(), glClientWaitSync()
COPYRIGHT
Copyright © 2010 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/.
NOTES
1. flags is expected to be used in future extensions to the sync
objects.
OpenGL 3.3 03/08/2011 GLGETSYNCIV(3G)
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