2005 Sams Publishing glIsFramebuffer 3G glIsFramebuffer determine if a name corresponds to a framebuffer object GLboolean glIsFramebuffer GLuint framebuffer framebuffer Specifies a value that may be the name of a framebuffer object. glIsFramebuffer returns GL_TRUE if framebuffer is currently the name of a framebuffer object. If framebuffer is zero, or is a non-zero value that is not currently the name of a framebuffer object, or if an error occurs, glIsFramebuffer returns GL_FALSE. A name returned by glGenFramebuffers, but not yet associated with a framebuffer object by calling glBindFramebuffer, is not the name of a framebuffer object. glBindFramebuffer, glDeleteFramebuffers, glGenFramebuffers 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. http://opencontent.org/openpub/.