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Diffstat (limited to 'nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/getstring.gl')
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diff --git a/nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/getstring.gl b/nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/getstring.gl new file mode 100644 index 000000000..5099f97ad --- /dev/null +++ b/nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/getstring.gl @@ -0,0 +1,104 @@ +_C_ License Applicability. Except to the extent portions of this file are +_C_ made subject to an alternative license as permitted in the SGI Free +_C_ Software License B, Version 1.1 (the "License"), the contents of this +_C_ file are subject only to the provisions of the License. You may not use +_C_ this file except in compliance with the License. You may obtain a copy +_C_ of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +_C_ Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +_C_ +_C_ http://oss.sgi.com/projects/FreeB +_C_ +_C_ Note that, as provided in the License, the Software is distributed on an +_C_ "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +_C_ DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +_C_ CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +_C_ PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +_C_ +_C_ Original Code. The Original Code is: OpenGL Sample Implementation, +_C_ Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +_C_ Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +_C_ Copyright in any portions created by third parties is as indicated +_C_ elsewhere herein. All Rights Reserved. +_C_ +_C_ Additional Notice Provisions: The application programming interfaces +_C_ established by SGI in conjunction with the Original Code are The +_C_ OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +_C_ April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +_C_ 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +_C_ Window System(R) (Version 1.3), released October 19, 1998. This software +_C_ was created using the OpenGL(R) version 1.2.1 Sample Implementation +_C_ published by SGI, but has not been independently verified as being +_C_ compliant with the OpenGL(R) version 1.2.1 Specification. +_C_ +_C_ The first character in this file must be an '_'! +_C_ Anything on a line after _C_ is ignored +_define(_filters,eqn)_C_ +_C_ eqn is automatically replaced with neqn for nroff +_header(GetString, return a string describing the current GL connection) +_names(GetString) +.SH PARAMETERS +_phead(_param1) +Specifies a symbolic constant, one of +_const(VENDOR), _const(RENDERER), _const(VERSION), or _const(EXTENSIONS). +.SH DESCRIPTION +_cmnd returns a pointer to a static string +describing some aspect of the current GL connection. +_param1 can be one of the following: +.TP 20 +_const(VENDOR) +Returns the company responsible for this GL implementation. +This name does not change from release to release. +.TP +_const(RENDERER) +Returns the name of the renderer. +This name is typically specific to a particular configuration of a hardware +platform. +It does not change from release to release. +.TP +_const(VERSION) +Returns a version or release number. +.TP +_const(EXTENSIONS) +Returns a space-separated list of supported extensions to GL. +.P +Because the GL does not include queries for the performance +characteristics of an implementation, some applications are written to +recognize known platforms and modify their GL usage based on known +performance characteristics of these platforms. +Strings _const(VENDOR) and _const(RENDERER) together uniquely specify +a platform. They do not change from release to release and should be used +by platform-recognition algorithms. +.P +Some applications want to make use of features that +are not part of the standard GL. These features +may be implemented as extensions to the standard GL. +The _const(EXTENSIONS) string is a space-separated +list of supported GL extensions. +(Extension names never contain a space character.) +.P +The _const(VERSION) string begins with a version number. +The version number uses one +of these forms: +.P +\f2major_number.minor_number\fP +.br +\f2major_number.minor_number.release_number\fP +.P +Vendor-specific information may follow the version +number. Its format depends on the implementation, but +a space always separates the version number and +the vendor-specific information. +.P +All strings are null-terminated. +.SH NOTES +If an error is generated, _cmnd returns 0. +.P +The client and server may support different versions or extensions. +_cmnd always returns a compatible version number or list of extensions. +The release number always describes the server. +.SH ERRORS +_const(INVALID_ENUM) is generated if _param1 is not an accepted value. +.P +_const(INVALID_OPERATION) is generated if _cmnd +is executed between the execution of _cmnd(Begin) +and the corresponding execution of _cmnd(End). |