2013 Khronos Group glPopDebugGroup 3G glPopDebugGroup pop the active debug group void glPopDebugGroup void glPopDebugGroup pops the active debug group. After popping a debug group, the GL will also generate a debug output message describing its cause based on the message string, the source source, and an ID id submitted to the corresponding glPushDebugGroup command. GL_DEBUG_TYPE_PUSH_GROUP and GL_DEBUG_TYPE_POP_GROUP share a single namespace for message id. severity has the value GL_DEBUG_SEVERITY_NOTIFICATION. The type has the value GL_DEBUG_TYPE_POP_GROUP. Popping a debug group restores the debug output volume control of the parent debug group. GL_STACK_UNDERFLOW is generated if an attempt is made to pop the default debug group from the stack. glGet with argument GL_MAX_DEBUG_MESSAGE_LENGTH. glPushDebugGroup, glObjectLabel, glObjectPtrLabel. Copyright 2013 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/.