1991-2006 Silicon Graphics, Inc. glXQueryContext 3G glXQueryContext query context information int glXQueryContext Display * dpy GLXContext ctx int attribute int * value dpy Specifies the connection to the X server. ctx Specifies a GLX rendering context. attribute Specifies that a context parameter should be retrieved. Must be one of GLX_FBCONFIG_ID, GLX_RENDER_TYPE, or GLX_SCREEN. value Contains the return value for attribute. glXQueryContext sets value to the value of attribute with respect to ctx. attribute may be one of the following: GLX_FBCONFIG_ID Returns the XID of the GLXFBConfig associated with ctx. GLX_RENDER_TYPE Returns the rendering type supported by ctx. GLX_SCREEN Returns the screen number associated with ctx. Success is returned unless attribute is not a valid GLX context attribute, in which case GLX_BAD_ATTRIBUTE is returned. This call may cause a round-trip to the server. glXQueryContext is available only if the GLX version is 1.3 or greater. If the GLX version is 1.1 or 1.0, the GL version must be 1.0. If the GLX version is 1.2, then the GL version must be 1.1. If the GLX version is 1.3, then the GL version must be 1.2. GLXBadContext is generated if ctx does not refer to a valid context. glXCreateNewContext, glXGetCurrentContext, glXQueryVersion, glXQueryExtensionsString Copyright 1991-2006 Silicon Graphics, Inc. This document is licensed under the SGI Free Software B License. For details, see http://oss.sgi.com/projects/FreeB/.