2010 Khronos Group
glIsFramebuffer 3G
glIsFramebuffer determine if a name corresponds to a framebuffer object

## C Specification

GLboolean `glIsFramebuffer` GLuint framebuffer

## Parameters

framebuffer

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

## Description

`glIsFramebuffer` returns `GL_TRUE` if framebuffer is currently the name of a framebuffer object. If framebuffer is zero, or if `framebuffer` is not the name of a framebuffer object, or if an error occurs, `glIsFramebuffer` returns `GL_FALSE`. If framebuffer is a name returned by glGenFramebuffers, by that has not yet been bound through a call to glBindFramebuffer, then the name is not a framebuffer object and `glIsFramebuffer` returns `GL_FALSE`.

## See Also

glGenFramebuffers, glBindFramebuffer, glDeleteFramebuffers

## Copyright

Copyright 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/.