2 * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
4 * Permission to use, copy, modify, distribute, and sell this software and
5 * its documentation for any purpose is hereby granted without fee, provided
6 * that (i) the above copyright notices and this permission notice appear in
7 * all copies of the software and related documentation, and (ii) the name of
8 * Silicon Graphics may not be used in any advertising or
9 * publicity relating to the software without the specific, prior written
10 * permission of Silicon Graphics.
12 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
14 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
15 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
17 * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
18 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
19 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
20 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
21 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
31 #define CI_OFFSET_1 16
32 #define CI_OFFSET_2 32
34 static GLubyte fly
[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
35 0x03, 0x80, 0x01, 0xC0, 0x06, 0xC0, 0x03, 0x60, 0x04, 0x60, 0x06, 0x20,
36 0x04, 0x30, 0x0C, 0x20, 0x04, 0x18, 0x18, 0x20, 0x04, 0x0C, 0x30, 0x20,
37 0x04, 0x06, 0x60, 0x20, 0x44, 0x03, 0xC0, 0x22, 0x44, 0x01, 0x80, 0x22,
38 0x44, 0x01, 0x80, 0x22, 0x44, 0x01, 0x80, 0x22, 0x44, 0x01, 0x80, 0x22,
39 0x44, 0x01, 0x80, 0x22, 0x44, 0x01, 0x80, 0x22, 0x66, 0x01, 0x80, 0x66,
40 0x33, 0x01, 0x80, 0xCC, 0x19, 0x81, 0x81, 0x98, 0x0C, 0xC1, 0x83, 0x30,
41 0x07, 0xe1, 0x87, 0xe0, 0x03, 0x3f, 0xfc, 0xc0, 0x03, 0x31, 0x8c, 0xc0,
42 0x03, 0x33, 0xcc, 0xc0, 0x06, 0x64, 0x26, 0x60, 0x0c, 0xcc, 0x33, 0x30,
43 0x18, 0xcc, 0x33, 0x18, 0x10, 0xc4, 0x23, 0x08, 0x10, 0x63, 0xC6, 0x08,
44 0x10, 0x30, 0x0c, 0x08, 0x10, 0x18, 0x18, 0x08, 0x10, 0x00, 0x00, 0x08};
49 static void Init(void)
51 fprintf(stderr
, "GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER
));
52 fprintf(stderr
, "GL_VERSION = %s\n", (char *) glGetString(GL_VERSION
));
53 fprintf(stderr
, "GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR
));
55 glEnable (GL_POLYGON_STIPPLE
);
56 glPolygonStipple (fly
);
58 glClearColor(0.0, 0.0, 1.0, 0.0);
61 static void Reshape(int width
, int height
)
64 glViewport(0, 0, (GLint
)width
, (GLint
)height
);
66 glMatrixMode(GL_PROJECTION
);
68 /* glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0); */
69 glMatrixMode(GL_MODELVIEW
);
72 static void Key(unsigned char key
, int x
, int y
)
85 static void Draw(void)
87 glClear(GL_COLOR_BUFFER_BIT
);
89 glBegin(GL_TRIANGLES
);
91 glVertex3f( 0.9, -0.9, -0.0);
93 glVertex3f( 0.9, 0.9, -0.0);
95 glVertex3f(-0.9, 0.0, -0.0);
105 static GLenum
Args(int argc
, char **argv
)
109 doubleBuffer
= GL_FALSE
;
111 for (i
= 1; i
< argc
; i
++) {
112 if (strcmp(argv
[i
], "-sb") == 0) {
113 doubleBuffer
= GL_FALSE
;
114 } else if (strcmp(argv
[i
], "-db") == 0) {
115 doubleBuffer
= GL_TRUE
;
117 fprintf(stderr
, "%s (Bad option).\n", argv
[i
]);
124 int main(int argc
, char **argv
)
128 glutInit(&argc
, argv
);
130 if (Args(argc
, argv
) == GL_FALSE
) {
134 glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
136 type
= GLUT_RGB
| GLUT_ALPHA
;
137 type
|= (doubleBuffer
) ? GLUT_DOUBLE
: GLUT_SINGLE
;
138 glutInitDisplayMode(type
);
140 if (glutCreateWindow("First Tri") == GL_FALSE
) {
146 glutReshapeFunc(Reshape
);
147 glutKeyboardFunc(Key
);
148 glutDisplayFunc(Draw
);