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Diffstat (limited to 'nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/pushmatrix.gl')
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diff --git a/nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/pushmatrix.gl b/nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/pushmatrix.gl new file mode 100644 index 000000000..5052213a8 --- /dev/null +++ b/nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/pushmatrix.gl @@ -0,0 +1,107 @@ +_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 +_header(PushMatrix,push and pop the current matrix stack) +_names(PushMatrix) +_names(PopMatrix) +.SH DESCRIPTION +There is a stack of matrices for each of the matrix modes. +In _const(MODELVIEW) mode, +the stack depth is at least 32. +In the other modes, +_const(COLOR), const(PROJECTION), and _const(TEXTURE), +the depth is at least 2. +The current matrix in any mode is the matrix on the top of the stack +for that mode. +.P +_cmnd pushes the current matrix stack down by one, +duplicating the current matrix. +That is, +after a _cmnd call, +the matrix on top of the stack is identical to the one below it. +.P +_cmnd(PopMatrix) pops the current matrix stack, +replacing the current matrix with the one below it on the stack. +.P +Initially, each of the stacks contains one matrix, an identity matrix. +.P +It is an error to push a full matrix stack, +or to pop a matrix stack that contains only a single matrix. +In either case, the error flag is set +and no other change is made to GL state. +.SH ERRORS +_const(STACK_OVERFLOW) is generated if _cmnd(PushMatrix) is called while +the current matrix stack is full. +.P +_const(STACK_UNDERFLOW) is generated if _cmnd(PopMatrix) is called while +the current matrix stack contains only a single matrix. +.P +_const(INVALID_OPERATION) is generated if _cmnd(PushMatrix) or _cmnd(PopMatrix) +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) +.br +_cmnd(Get) with argument _const(COLOR_STACK_DEPTH) +.br +_cmnd(Get) with argument _const(MODELVIEW_STACK_DEPTH) +.br +_cmnd(Get) with argument _const(PROJECTION_STACK_DEPTH) +.br +_cmnd(Get) with argument _const(TEXTURE_STACK_DEPTH) +.br +_cmnd(Get) with argument _const(MAX_MODELVIEW_STACK_DEPTH) +.br +_cmnd(Get) with argument _const(MAX_PROJECTION_STACK_DEPTH) +.br +_cmnd(Get) with argument _const(MAX_TEXTURE_STACK_DEPTH) +.SH SEE ALSO +_cmnd(Frustum), +_cmnd(LoadIdentity), +_cmnd(LoadMatrix), +_cmnd(MatrixMode), +_cmnd(MultMatrix), +_cmnd(Ortho), +_cmnd(Rotate), +_cmnd(Scale), +_cmnd(Translate), +_cmnd(Viewport) |