glIsTransformFeedback : PyOpenGL 3.1.4 GL Man Pages

determine if a name corresponds to a transform feedback object

Signature

glIsTransformFeedback( GLuint ( id ) )-> GLboolean

glIsTransformFeedback( id ) -> <class 'ctypes.c_ubyte'>

Parameters

Variables	Description
id	Specifies a value that may be the name of a transform feedback object.

Description

glIsTransformFeedback returns GL_TRUE if id is currently the name of a transform feedback object. If id is zero, or if id is not the name of a transform feedback object, or if an error occurs, glIsTransformFeedback returns GL_FALSE . If id is a name returned by glGenTransformFeedbacks , but that has not yet been bound through a call to glBindTransformFeedback , then the name is not a transform feedback object and glIsTransformFeedback returns GL_FALSE .

Version Support

glIsTransformFeedback

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/