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Diffstat (limited to 'dist/Mesa/progs/redbook/aapoly.c')
| -rw-r--r-- | dist/Mesa/progs/redbook/aapoly.c | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/dist/Mesa/progs/redbook/aapoly.c b/dist/Mesa/progs/redbook/aapoly.c deleted file mode 100644 index 64d06b7b3..000000000 --- a/dist/Mesa/progs/redbook/aapoly.c +++ /dev/null @@ -1,171 +0,0 @@ -/* - * Copyright (c) 1993-1997, Silicon Graphics, Inc. - * ALL RIGHTS RESERVED - * Permission to use, copy, modify, and distribute this software for - * any purpose and without fee is hereby granted, provided that the above - * copyright notice appear in all copies and that both the copyright notice - * and this permission notice appear in supporting documentation, and that - * the name of Silicon Graphics, Inc. not be used in advertising - * or publicity pertaining to distribution of the software without specific, - * written prior permission. - * - * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS" - * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE, - * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR - * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON - * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT, - * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY - * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION, - * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF - * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN - * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE - * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE. - * - * US Government Users Restricted Rights - * Use, duplication, or disclosure by the Government is subject to - * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph - * (c)(1)(ii) of the Rights in Technical Data and Computer Software - * clause at DFARS 252.227-7013 and/or in similar or successor - * clauses in the FAR or the DOD or NASA FAR Supplement. - * Unpublished-- rights reserved under the copyright laws of the - * United States. Contractor/manufacturer is Silicon Graphics, - * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311. - * - * OpenGL(R) is a registered trademark of Silicon Graphics, Inc. - */ - -/* - * aapoly.c - * This program draws filled polygons with antialiased - * edges. The special GL_SRC_ALPHA_SATURATE blending - * function is used. - * Pressing the 't' key turns the antialiasing on and off. - */ -#include <GL/glut.h> -#include <stdlib.h> -#include <stdio.h> - -GLboolean polySmooth = GL_TRUE; - -static void init(void) -{ - glCullFace (GL_BACK); - glEnable (GL_CULL_FACE); - glBlendFunc (GL_SRC_ALPHA_SATURATE, GL_ONE); - glClearColor (0.0, 0.0, 0.0, 0.0); -} - -#define NFACE 6 -#define NVERT 8 -static void drawCube(GLdouble x0, GLdouble x1, GLdouble y0, GLdouble y1, - GLdouble z0, GLdouble z1) -{ - static GLfloat v[8][3]; - static GLfloat c[8][4] = { - {0.0, 0.0, 0.0, 1.0}, {1.0, 0.0, 0.0, 1.0}, - {0.0, 1.0, 0.0, 1.0}, {1.0, 1.0, 0.0, 1.0}, - {0.0, 0.0, 1.0, 1.0}, {1.0, 0.0, 1.0, 1.0}, - {0.0, 1.0, 1.0, 1.0}, {1.0, 1.0, 1.0, 1.0} - }; - -/* indices of front, top, left, bottom, right, back faces */ - static GLubyte indices[NFACE][4] = { - {4, 5, 6, 7}, {2, 3, 7, 6}, {0, 4, 7, 3}, - {0, 1, 5, 4}, {1, 5, 6, 2}, {0, 3, 2, 1} - }; - - v[0][0] = v[3][0] = v[4][0] = v[7][0] = x0; - v[1][0] = v[2][0] = v[5][0] = v[6][0] = x1; - v[0][1] = v[1][1] = v[4][1] = v[5][1] = y0; - v[2][1] = v[3][1] = v[6][1] = v[7][1] = y1; - v[0][2] = v[1][2] = v[2][2] = v[3][2] = z0; - v[4][2] = v[5][2] = v[6][2] = v[7][2] = z1; - -#ifdef GL_VERSION_1_1 - glEnableClientState (GL_VERTEX_ARRAY); - glEnableClientState (GL_COLOR_ARRAY); - glVertexPointer (3, GL_FLOAT, 0, v); - glColorPointer (4, GL_FLOAT, 0, c); - glDrawElements (GL_QUADS, NFACE*4, GL_UNSIGNED_BYTE, indices); - glDisableClientState (GL_VERTEX_ARRAY); - glDisableClientState (GL_COLOR_ARRAY); -#else - printf ("If this is GL Version 1.0, "); - printf ("vertex arrays are not supported.\n"); - exit(1); -#endif -} - -/* Note: polygons must be drawn from front to back - * for proper blending. - */ -static void display(void) -{ - if (polySmooth) { - glClear (GL_COLOR_BUFFER_BIT); - glEnable (GL_BLEND); - glEnable (GL_POLYGON_SMOOTH); - glDisable (GL_DEPTH_TEST); - } - else { - glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - glDisable (GL_BLEND); - glDisable (GL_POLYGON_SMOOTH); - glEnable (GL_DEPTH_TEST); - } - - glPushMatrix (); - glTranslatef (0.0, 0.0, -8.0); - glRotatef (30.0, 1.0, 0.0, 0.0); - glRotatef (60.0, 0.0, 1.0, 0.0); - drawCube(-0.5, 0.5, -0.5, 0.5, -0.5, 0.5); - glPopMatrix (); - - glFlush (); -} - -static void reshape(int w, int h) -{ - glViewport(0, 0, (GLsizei) w, (GLsizei) h); - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - gluPerspective(30.0, (GLfloat) w/(GLfloat) h, 1.0, 20.0); - glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); -} - -/* ARGSUSED1 */ -static void keyboard(unsigned char key, int x, int y) -{ - switch (key) { - case 't': - case 'T': - polySmooth = !polySmooth; - glutPostRedisplay(); - break; - case 27: - exit(0); /* Escape key */ - break; - default: - break; - } -} - -/* Main Loop - */ -int main(int argc, char** argv) -{ - glutInit(&argc, argv); - glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB - | GLUT_ALPHA | GLUT_DEPTH); - glutInitWindowSize(200, 200); - glutCreateWindow(argv[0]); - init (); - glutReshapeFunc (reshape); - glutKeyboardFunc (keyboard); - glutDisplayFunc (display); - glutMainLoop(); - return 0; -} - |