241 lines
8.2 KiB
C
241 lines
8.2 KiB
C
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/*
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* (c) Copyright 1993, Silicon Graphics, Inc.
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* ALL RIGHTS RESERVED
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* Permission to use, copy, modify, and distribute this software for
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* any purpose and without fee is hereby granted, provided that the above
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* copyright notice appear in all copies and that both the copyright notice
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* and this permission notice appear in supporting documentation, and that
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* the name of Silicon Graphics, Inc. not be used in advertising
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* or publicity pertaining to distribution of the software without specific,
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* written prior permission.
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*
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* THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
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* AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
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* FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
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* GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
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* SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
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* KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
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* LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
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* THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
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* ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
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* POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* US Government Users Restricted Rights
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* Use, duplication, or disclosure by the Government is subject to
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* restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
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* (c)(1)(ii) of the Rights in Technical Data and Computer Software
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* clause at DFARS 252.227-7013 and/or in similar or successor
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* clauses in the FAR or the DOD or NASA FAR Supplement.
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* Unpublished-- rights reserved under the copyright laws of the
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* United States. Contractor/manufacturer is Silicon Graphics,
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* Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
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*
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* OpenGL(TM) is a trademark of Silicon Graphics, Inc.
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*/
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/* accum.c
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*/
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#include <windows.h>
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#include <stdio.h>
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#include <GL/gl.h>
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#include <GL/glu.h>
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#include "glaux.h"
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GLsizei width, height;
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void myinit(void)
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{
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GLfloat ambient[] = { 0.4, 0.4, 0.4, 1.0 };
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GLfloat diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
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GLfloat specular[] = { 1.0, 1.0, 1.0, 1.0 };
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GLfloat position[] = { 0.0, 2.0, 2.0, 0.0 };
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GLfloat mat_ambient[] = { 0.2, 0.2, 0.2, 1.0 };
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GLfloat mat_diffuse[] = { 0.7, 0.7, 0.7, 1.0 };
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GLfloat mat_specular[] = { 0.9, 0.9, 0.9, 1.0 };
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GLfloat mat_shininess[] = { 50.0 };
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GLfloat lmodel_ambient[] = { 0.2, 0.2, 0.2, 1.0 };
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glEnable(GL_DEPTH_TEST);
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glDepthFunc(GL_LESS);
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glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
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glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
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glLightfv(GL_LIGHT0, GL_SPECULAR, specular);
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glLightfv(GL_LIGHT0, GL_POSITION, position);
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glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
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glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
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glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
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glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
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glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
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glEnable(GL_LIGHTING);
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glEnable(GL_LIGHT0);
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glEnable(GL_AUTO_NORMAL);
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glEnable(GL_NORMALIZE);
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glEnable(GL_CULL_FACE);
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glCullFace(GL_FRONT);
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glClearAccum(0.0, 0.0, 0.0, 0.0);
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}
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#define ACSIZE 16
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GLfloat dx[ACSIZE], dy[ACSIZE];
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GLfloat jitter3[3][2] = {
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{0.5, 0.5},
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{1.35899e-05, 0.230369},
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{0.000189185, 0.766878},
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};
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GLfloat jitter11[11][2] = {
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{0.5, 0.5}, {0.406537, 0.135858},
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{0.860325, 0.968558}, {0.680141, 0.232877},
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{0.775694, 0.584871}, {0.963354, 0.309056},
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{0.593493, 0.864072}, {0.224334, 0.415055},
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{0.0366643, 0.690884}, {0.139685, 0.0313988},
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{0.319861, 0.767097},
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};
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GLfloat jitter16[16][2] = {
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{0.4375, 0.4375}, {0.1875, 0.5625},
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{0.9375, 1.1875}, {0.4375, 0.9375-1},
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{0.6875, 0.5625}, {0.1875, 0.0625},
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{0.6875, 0.3125}, {0.1875, 0.3125},
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{0.4375, 0.1875}, {0.9375-1, 0.4375},
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{0.6875, 0.8125}, {0.4375, 0.6875},
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{0.6875, 0.0625}, {0.9375, 0.9375},
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{1.1875, 0.8125}, {0.9375, 0.6875},
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};
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GLfloat jitter29[29][2] = {
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{0.5, 0.5}, {0.498126, 0.141363},
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{0.217276, 0.651732}, {0.439503, 0.954859},
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{0.734171, 0.836294}, {0.912454, 0.79952},
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{0.406153, 0.671156}, {0.0163892, 0.631994},
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{0.298064, 0.843476}, {0.312025, 0.0990405},
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{0.98135, 0.965697}, {0.841999, 0.272378},
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{0.559348, 0.32727}, {0.809331, 0.638901},
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{0.632583, 0.994471}, {0.00588314, 0.146344},
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{0.713365, 0.437896}, {0.185173, 0.246584},
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{0.901735, 0.474544}, {0.366423, 0.296698},
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{0.687032, 0.188184}, {0.313256, 0.472999},
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{0.543195, 0.800044}, {0.629329, 0.631599},
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{0.818263, 0.0439354}, {0.163978, 0.00621497},
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{0.109533, 0.812811}, {0.131325, 0.471624},
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{0.0196755, 0.331813},
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};
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GLfloat jitter90[90][2] = {
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{0.5, 0.5}, {0.784289, 0.417355},
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{0.608691, 0.678948}, {0.546538, 0.976002},
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{0.972245, 0.270498}, {0.765121, 0.189392},
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{0.513193, 0.743827}, {0.123709, 0.874866},
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{0.991334, 0.745136}, {0.56342, 0.0925047},
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{0.662226, 0.143317}, {0.444563, 0.928535},
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{0.248017, 0.981655}, {0.100115, 0.771923},
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{0.593937, 0.559383}, {0.392095, 0.225932},
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{0.428776, 0.812094}, {0.510615, 0.633584},
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{0.836431, 0.00343328}, {0.494037, 0.391771},
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{0.617448, 0.792324}, {0.688599, 0.48914},
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{0.530421, 0.859206}, {0.0742278, 0.665344},
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{0.979388, 0.626835}, {0.183806, 0.479216},
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{0.151222, 0.0803998}, {0.476489, 0.157863},
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{0.792675, 0.653531}, {0.0990416, 0.267284},
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{0.776667, 0.303894}, {0.312904, 0.296018},
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{0.288777, 0.691008}, {0.460097, 0.0436075},
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{0.594323, 0.440751}, {0.876296, 0.472043},
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{0.0442623, 0.0693901}, {0.355476, 0.00442787},
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{0.391763, 0.361327}, {0.406994, 0.696053},
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{0.708393, 0.724992}, {0.925807, 0.933103},
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{0.850618, 0.11774}, {0.867486, 0.233677},
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{0.208805, 0.285484}, {0.572129, 0.211505},
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{0.172931, 0.180455}, {0.327574, 0.598031},
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{0.685187, 0.372379}, {0.23375, 0.878555},
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{0.960657, 0.409561}, {0.371005, 0.113866},
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{0.29471, 0.496941}, {0.748611, 0.0735321},
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{0.878643, 0.34504}, {0.210987, 0.778228},
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{0.692961, 0.606194}, {0.82152, 0.8893},
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{0.0982095, 0.563104}, {0.214514, 0.581197},
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{0.734262, 0.956545}, {0.881377, 0.583548},
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{0.0560485, 0.174277}, {0.0729515, 0.458003},
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{0.719604, 0.840564}, {0.325388, 0.7883},
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{0.26136, 0.0848927}, {0.393754, 0.467505},
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{0.425361, 0.577672}, {0.648594, 0.0248658},
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{0.983843, 0.521048}, {0.272936, 0.395127},
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{0.177695, 0.675733}, {0.89175, 0.700901},
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{0.632301, 0.908259}, {0.782859, 0.53611},
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{0.0141421, 0.855548}, {0.0437116, 0.351866},
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{0.939604, 0.0450863}, {0.0320883, 0.962943},
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{0.341155, 0.895317}, {0.952087, 0.158387},
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{0.908415, 0.820054}, {0.481435, 0.281195},
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{0.675525, 0.25699}, {0.585273, 0.324454},
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{0.156488, 0.376783}, {0.140434, 0.977416},
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{0.808155, 0.77305}, {0.282973, 0.188937},
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};
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void loaddxdy(void)
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{
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long i;
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for (i = 0; i < ACSIZE; i++) {
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dx[i] = jitter16[i][0]*10/width;
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dy[i] = jitter16[i][1]*10/height;
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}
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}
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void display(void)
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{
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int i;
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glClear(GL_ACCUM_BUFFER_BIT);
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loaddxdy();
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for (i = 0; i < (ACSIZE); i++) {
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printf("Pass %d\n", i);
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glPushMatrix();
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glTranslatef(dx[i], dy[i], 0.0);
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glRotatef(45.0, 1.0, 1.0, 1.0);
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glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
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auxSolidTeapot(1.0);
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glPopMatrix();
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glAccum(GL_ACCUM, 1.0/(ACSIZE));
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glFlush();
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auxSwapBuffers();
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}
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printf("final job\n");
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glAccum(GL_RETURN, 1.0);
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printf("done\n");
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glFlush();
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auxSwapBuffers();
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}
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void myReshape(GLsizei w, GLsizei h)
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{
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width = w; height = h;
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glViewport(0, 0, w, h);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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if (w <= h)
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glOrtho(-3.0, 3.0, -3.0*(GLfloat) h/(GLfloat) w,
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3.0*(GLfloat) h/(GLfloat) w, -15.0, 15.0);
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else
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glOrtho(-3.0*(GLfloat) w/(GLfloat) h,
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3.0*(GLfloat) w/(GLfloat) h, -3.0, 3.0, -15.0, 15.0);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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}
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int main(int argc, char** argv)
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{
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auxInitDisplayMode (AUX_DOUBLE | AUX_RGB
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| AUX_ACCUM | AUX_DEPTH16);
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auxInitPosition (0, 0, 300, 300);
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auxInitWindow (argv[0]);
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myinit();
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auxReshapeFunc (myReshape);
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auxMainLoop(display);
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}
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