2 * Copyright (c) 1993-2003, Silicon Graphics, Inc.
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose and without fee is hereby granted, provided that the above
7 * copyright notice appear in all copies and that both the copyright
8 * notice and this permission notice appear in supporting documentation,
9 * and that the name of Silicon Graphics, Inc. not be used in
10 * advertising or publicity pertaining to distribution of the software
11 * without specific, written prior permission.
13 * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS" AND
14 * WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
16 * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
17 * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
18 * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
19 * OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION, LOSS OF
20 * PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF THIRD
21 * PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN ADVISED OF
22 * THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON ANY THEORY OF
23 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE POSSESSION, USE
24 * OR PERFORMANCE OF THIS SOFTWARE.
26 * US Government Users Restricted Rights
27 * Use, duplication, or disclosure by the Government is subject to
28 * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
29 * (c)(1)(ii) of the Rights in Technical Data and Computer Software
30 * clause at DFARS 252.227-7013 and/or in similar or successor clauses
31 * in the FAR or the DOD or NASA FAR Supplement. Unpublished - rights
32 * reserved under the copyright laws of the United States.
34 * Contractor/manufacturer is:
35 * Silicon Graphics, Inc.
36 * 1500 Crittenden Lane
37 * Mountain View, CA 94043
38 * United State of America
40 * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
45 * This program demonstrates multiple vertex arrays,
46 * specifically the OpenGL routine glMultiDrawElements().
56 static void setupPointer(void)
58 static GLint vertices
[] = {25, 25,
71 glEnableClientState (GL_VERTEX_ARRAY
);
72 glVertexPointer (2, GL_INT
, 0, vertices
);
75 static void init(void)
77 glClearColor (0.0, 0.0, 0.0, 0.0);
78 glShadeModel (GL_SMOOTH
);
82 static void display(void)
84 static GLubyte oneIndices
[] = {0, 1, 2, 3, 4, 5, 6};
85 static GLubyte twoIndices
[] = {1, 7, 8, 9, 10, 11};
86 static GLsizei count
[] = {7, 6};
87 static GLvoid
* indices
[2] = {oneIndices
, twoIndices
};
89 glClear (GL_COLOR_BUFFER_BIT
);
90 glColor3f (1.0, 1.0, 1.0);
91 glMultiDrawElementsEXT (GL_LINE_STRIP
, count
, GL_UNSIGNED_BYTE
,
92 (const GLvoid
**) indices
, 2);
96 static void reshape (int w
, int h
)
98 glViewport (0, 0, (GLsizei
) w
, (GLsizei
) h
);
99 glMatrixMode (GL_PROJECTION
);
101 gluOrtho2D (0.0, (GLdouble
) w
, 0.0, (GLdouble
) h
);
104 static void keyboard(unsigned char key
, int x
, int y
)
113 int main(int argc
, char** argv
)
115 glutInit(&argc
, argv
);
116 glutInitDisplayMode (GLUT_SINGLE
| GLUT_RGB
);
117 glutInitWindowSize (350, 350);
118 glutInitWindowPosition (100, 100);
119 glutCreateWindow (argv
[0]);
122 glutDisplayFunc(display
);
123 glutReshapeFunc(reshape
);
124 glutKeyboardFunc (keyboard
);
129 int main(int argc
, char** argv
)
131 fprintf (stderr
, "This program demonstrates a feature which is not in OpenGL Version 1.0.\n");
132 fprintf (stderr
, "If your implementation of OpenGL Version 1.0 has the right extensions,\n");
133 fprintf (stderr
, "you may be able to modify this program to make it run.\n");