glIsQuery

3G

glIsQuery

determine if a name corresponds to a query object

# C Specification

                    GLboolean glIsQuery
                    GLuint id

## Parameters

`id`

- Specifies a value that may be the name of a query object.

## Description

`glIsQuery` returns `GL_TRUE` if `id` is currently the name of a query object. If `id` is zero, or is a non-zero value that is not currently the name of a query object, or if an error occurs, `glIsQuery` returns `GL_FALSE`.

A name returned by

glGenQueries

, but not yet associated with a query object by calling

glBeginQuery

, is not the name of a query object.

## API Version Support

glIsQuery

## See Also

glBeginQuery

,

glDeleteQueries

,

glEndQuery

,

glGenQueries

## Copyright

Copyright 2005 Addison-Wesley. Copyright 2010-2014 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/.