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diff --git a/nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/loadmatrix.gl b/nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/loadmatrix.gl new file mode 100644 index 000000000..132b282f8 --- /dev/null +++ b/nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/loadmatrix.gl @@ -0,0 +1,108 @@ +_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(LoadMatrix,replace the current matrix with the specified matrix) +_names(LoadMatrix,[df]) +.EQ +delim $$ +.EN +.SH PARAMETERS +_phead(_param1) +Specifies a pointer to 16 consecutive values, which are used as the +elements of a $4 ~times~ 4$ column-major matrix. +.SH DESCRIPTION +_cmnd replaces the current matrix with the one whose elements are specified by +_param1. +The current matrix is the projection matrix, +modelview matrix, +or texture matrix, +depending on the current matrix mode +(see _cmnd(MatrixMode)). +.P +The current matrix, M, defines a transformation of coordinates. +For instance, assume M refers to the modelview matrix. +If $v ~=~ (v[0], v[1], v[2], v[3])$ is the set of object coordinates +of a vertex, +and _param1 points to an array of $16$ +single- or double-precision +floating-point values $m[0], m[1],. . .,m[15]$, +then the modelview transformation $M(v)$ does the following: +.P + +.ce +.EQ +down 130 +{M(v) ~ = ~ +{{ left ( matrix { + ccol { ~m[0] above m[1] above m[2] above m[3] ~} + ccol { ~m[4] above m[5] above m[6] above m[7] ~} + ccol { ~m[8] above m[9] above m[10] above m[11] ~} + ccol { ~m[12]~ above m[13]~ above m[14]~ above m[15]~} +} right ) } ~~ times ~~ +{left ( matrix { +ccol { ~v[0]~ above ~v[1]~ above ~v[2]~ above ~v[3]~ } +} right )} }} +.EN + +.sp +.P +Where ``$times$'' denotes matrix multiplication. +.P +Projection and texture transformations are similarly defined. +.SH NOTES +While the elements of the matrix may be specified with +single or double precision, the GL implementation may +store or operate on these values in less than single +precision. +.SH ERRORS +_const(INVALID_OPERATION) is generated if _cmnd +is executed between the execution of _cmnd(Begin) +and the corresponding execution of _cmnd(End). +.SH ASSOCIATED GETS +_cmnd(Get) with argument _const(MATRIX_MODE) +.br +_cmnd(Get) with argument _const(COLOR_MATRIX) +.br +_cmnd(Get) with argument _const(MODELVIEW_MATRIX) +.br +_cmnd(Get) with argument _const(PROJECTION_MATRIX) +.br +_cmnd(Get) with argument _const(TEXTURE_MATRIX) +.SH SEE ALSO +_cmnd(LoadIdentity), +_cmnd(MatrixMode), +_cmnd(MultMatrix), +_cmnd(PushMatrix) |