From f4092abdf94af6a99aff944d6264bc1284e8bdd4 Mon Sep 17 00:00:00 2001 From: Reinhard Tartler Date: Mon, 10 Oct 2011 17:43:39 +0200 Subject: Imported nx-X11-3.1.0-1.tar.gz Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository --- .../main/doc/man/mangl/standard/normal.gl | 87 ++++++++++++++++++++++ 1 file changed, 87 insertions(+) create mode 100644 nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/normal.gl (limited to 'nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/normal.gl') diff --git a/nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/normal.gl b/nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/normal.gl new file mode 100644 index 000000000..d8d6d865c --- /dev/null +++ b/nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/normal.gl @@ -0,0 +1,87 @@ +_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,tbl|eqn)_C_ +_C_ eqn is automatically replaced with neqn for nroff +_header(Normal,set the current normal vector) +.EQ +delim $$ +.EN +_names(Normal,3[bdfis]) +.SH PARAMETERS +_phead(_param1 _param2 _param3) +Specify the $x$, $y$, and $z$ coordinates of the new current normal. +The initial value of the current normal is the unit vector, (0, 0, 1). +.P +_names(Normal,3[bsidf]v) +.SH PARAMETERS +_phead(_param1) +Specifies a pointer to an array of three elements: +the $x$, $y$, and $z$ coordinates of the new current normal. +.P +.SH DESCRIPTION +The current normal is set to the given coordinates +whenever _cmnd is issued. +Byte, short, or integer arguments are converted to floating-point +format with a linear mapping that maps the most positive representable integer +value to 1.0, +and the most negative representable integer value to \-1.0. +.P +Normals specified with _cmnd need not have unit length. +If _const(NORMALIZE) is enabled, +then normals of any length specified with _cmnd are normalized after transformation. +If _const(RESCALE_NORMAL) is enabled, normals are scaled by a scaling factor +derived from the modelview matrix. _const(RESCALE_NORMAL) requires that the +originally specified normals were of unit length, and that the modelview +matrix contain only uniform scales for proper results. +To enable and disable normalization, call _cmnd(Enable) and _cmnd(Disable) +with either _const(NORMALIZE) or _const(RESCALE_NORMAL). +Normalization is initially disabled. +.SH NOTES +The current normal can be updated at any time. +In particular, _cmnd can be called between a call to _cmnd(Begin) and +the corresponding call to _cmnd(End). +.SH ASSOCIATED GETS +_cmnd(Get) with argument _const(CURRENT_NORMAL) +.br +_cmnd(IsEnabled) with argument _const(NORMALIZE) +.br +_cmnd(IsEnabled) with argument _const(RESCALE_NORMAL) +.SH SEE ALSO +_cmnd(Begin), +_cmnd(Color), +_cmnd(Index), +_cmnd(NormalPointer), +_cmnd(TexCoord), +_cmnd(Vertex) -- cgit v1.2.3