GLQUERYCOUNTER(3G) OpenGL 3.3 GLQUERYCOUNTER(3G)NAME
glQueryCounter - record the GL time into a query object after all previous commands have reached the GL server but have not yet necessarily
executed.
C SPECIFICATION
void glQueryCounter(GLuint id, GLenum target);
PARAMETERS
id
Specify the name of a query object into which to record the GL time.
target
Specify the counter to query. target must be GL_TIMESTAMP.
DESCRIPTION
glQueryCounter causes the GL to record the current time into the query object named id. target must be GL_TIMESTAMP. The time is recorded
after all previous commands on the GL client and server state and the framebuffer have been fully realized. When the time is recorded, the
query result for that object is marked available. glQueryCounter timer queries can be used within a glBeginQuery() / glEndQuery() block
where the target is GL_TIME_ELAPSED and it does not affect the result of that query object.
NOTES
glQueryCounter is available only if the GL version is 3.3 or higher.
ERRORS
GL_INVALID_OPERATION is generated if id is the name of a query object that is already in use within a glBeginQuery() / glEndQuery() block.
GL_INVALID_VALUE is generated if id is not the name of a query object returned from a previous call to glGenQueries().
GL_INVALID_ENUM is generated if target is not GL_TIMESTAMP.
SEE ALSO
glGenQueries(), glBeginQuery(), glEndQuery(), glDeleteQueries(), glGetQueryObject(), glGetQueryiv(), glGet()
COPYRIGHT
Copyright (C) 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/.
OpenGL 3.3 03/08/2011 GLQUERYCOUNTER(3G)
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GLQUERYCOUNTER(3G) OpenGL 3.3 GLQUERYCOUNTER(3G)NAME
glQueryCounter - record the GL time into a query object after all previous commands have reached the GL server but have not yet necessarily
executed.
C SPECIFICATION
void glQueryCounter(GLuint id, GLenum target);
PARAMETERS
id
Specify the name of a query object into which to record the GL time.
target
Specify the counter to query. target must be GL_TIMESTAMP.
DESCRIPTION
glQueryCounter causes the GL to record the current time into the query object named id. target must be GL_TIMESTAMP. The time is recorded
after all previous commands on the GL client and server state and the framebuffer have been fully realized. When the time is recorded, the
query result for that object is marked available. glQueryCounter timer queries can be used within a glBeginQuery() / glEndQuery() block
where the target is GL_TIME_ELAPSED and it does not affect the result of that query object.
NOTES
glQueryCounter is available only if the GL version is 3.3 or higher.
ERRORS
GL_INVALID_OPERATION is generated if id is the name of a query object that is already in use within a glBeginQuery() / glEndQuery() block.
GL_INVALID_VALUE is generated if id is not the name of a query object returned from a previous call to glGenQueries().
GL_INVALID_ENUM is generated if target is not GL_TIMESTAMP.
SEE ALSO
glGenQueries(), glBeginQuery(), glEndQuery(), glDeleteQueries(), glGetQueryObject(), glGetQueryiv(), glGet()
COPYRIGHT
Copyright (C) 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/.
OpenGL 3.3 03/08/2011 GLQUERYCOUNTER(3G)
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