glIsQuery.3G - Man Page

determine if a name corresponds to a query object

C Specification

GLboolean glIsQuery(GLuint id);



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


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.

Version Support

OpenGL Version
Function / Feature Name2.

See Also

glBeginQuery(), glDeleteQueries(),

glEndQuery, glGenQueries()

Referenced By

glBeginQuery.3G(3), glBeginQueryIndexed,_glEndQueryIndexed.3G(3), glCreateQueries.3G(3), glGetQueryIndexediv.3G(3), glGetQueryiv.3G(3), glGetQueryObject.3G(3).