GLXQUERYCONTEXTINFOEXT(3G) | GLXQUERYCONTEXTINFOEXT(3G) |
glXQueryContextInfoEXT is part of the EXT_import_context extension, not part of the core GLX command set. If GLX_EXT_import_context is included in the string returned by glXQueryExtensionsString, when called with argument GLX_EXTENSIONS, extension EXT_import_context is supported.