glIsRenderbuffer — determine if a name corresponds to a renderbuffer object
renderbuffer is currently the name of a renderbuffer object.
renderbuffer is zero, or is a non-zero value that is not currently the
name of a renderbuffer object, or if an error occurs,
Copyright © 2008 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. https://opencontent.org/openpub/.