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Diffstat (limited to 'nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/viewport.gl')
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diff --git a/nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/viewport.gl b/nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/viewport.gl deleted file mode 100644 index b923cb8e7..000000000 --- a/nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/viewport.gl +++ /dev/null @@ -1,84 +0,0 @@ -_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(Viewport,set the viewport) -_names(Viewport) -.EQ -delim $$ -.EN -.SH PARAMETERS -_phead(_param1 _param2) -Specify the lower left corner of the viewport rectangle, -in pixels. The initial value is (0,0). -_phead(_param3 _param4) -Specify the width and height -of the viewport. -When a GL context is first attached to a window, -_param3 and _param4 are set to the dimensions of that window. -.SH DESCRIPTION -_cmnd specifies the affine transformation of $x$ and $y$ from -normalized device coordinates to window coordinates. -Let ($x sub nd$, $y sub nd$) be normalized device coordinates. -Then the window coordinates ($x sub w$, $y sub w$) are computed as follows: -.sp -.ce -.EQ -x sub w ~=~ ( x sub nd ~+~ 1 ) left ( _eqnparam3 over 2 right ) ~+~ _eqnparam1 -.EN -.sp -.ce -.EQ -y sub w ~=~ ( y sub nd ~+~ 1 ) left ( _eqnparam4 over 2 right ) ~+~ _eqnparam2 -.EN -.RE -.P -Viewport width and height are silently clamped -to a range that depends on the implementation. -To query this range, call _cmnd(Get) with argument -_const(MAX_VIEWPORT_DIMS). -.SH ERRORS -_const(INVALID_VALUE) is generated if either _param3 or _param4 is negative. -.P -_const(INVALID_OPERATION) is generated if _cmnd -is executed between the execution of _cmnd(Begin) -and the corresponding execution of _cmnd(End). -.bp -.SH ASSOCIATED GETS -_cmnd(Get) with argument _const(VIEWPORT) -.br -_cmnd(Get) with argument _const(MAX_VIEWPORT_DIMS) -.SH SEE ALSO -_cmnd(DepthRange) |