Update git ignores.
[mesa.git] / progs / trivial / dlist-edgeflag.c
1 /*
2 * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
3 *
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.
11 *
12 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
13 * ANY KIND,
14 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
15 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
16 *
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
22 * OF THIS SOFTWARE.
23 */
24
25 #include <stdio.h>
26 #include <string.h>
27 #include <stdlib.h>
28 #include <GL/glut.h>
29
30
31 #define CI_OFFSET_1 16
32 #define CI_OFFSET_2 32
33
34
35 GLenum doubleBuffer;
36 GLint list;
37
38 static void Init(void)
39 {
40 fprintf(stderr, "GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
41 fprintf(stderr, "GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
42 fprintf(stderr, "GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
43
44 glClearColor(0.0, 0.0, 1.0, 0.0);
45
46 glPolygonMode(GL_FRONT, GL_LINE);
47 glPolygonMode(GL_BACK, GL_POINT);
48
49 list = glGenLists(1);
50 glNewList(list, GL_COMPILE);
51 glBegin(GL_TRIANGLES);
52 glEdgeFlag(1);
53 /* glColor3f(0,0,.7); */
54 glVertex3f( 0.9, -0.9, -30.0);
55 glEdgeFlag(0);
56 /* glColor3f(.8,0,0); */
57 glVertex3f( 0.9, 0.9, -30.0);
58 glEdgeFlag(1);
59 /* glColor3f(0,.9,0); */
60 glVertex3f(-0.9, 0.0, -30.0);
61 glEnd();
62 glEndList();
63 }
64
65 static void Reshape(int width, int height)
66 {
67
68 glViewport(0, 0, (GLint)width, (GLint)height);
69
70 glMatrixMode(GL_PROJECTION);
71 glLoadIdentity();
72 glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
73 glMatrixMode(GL_MODELVIEW);
74 }
75
76 static void Key(unsigned char key, int x, int y)
77 {
78
79 switch (key) {
80 case 27:
81 exit(1);
82 default:
83 return;
84 }
85
86 glutPostRedisplay();
87 }
88
89
90
91
92 static void Draw(void)
93 {
94 glClear(GL_COLOR_BUFFER_BIT);
95
96 glColor3f(0,.9,0);
97 glCallList(list);
98
99 glRotatef(45,0,0,1);
100 glColor3f(1,0,1);
101 glCallList(list);
102
103 glFlush();
104
105 if (doubleBuffer) {
106 glutSwapBuffers();
107 }
108 }
109
110 static GLenum Args(int argc, char **argv)
111 {
112 GLint i;
113
114 doubleBuffer = GL_FALSE;
115
116 for (i = 1; i < argc; i++) {
117 if (strcmp(argv[i], "-sb") == 0) {
118 doubleBuffer = GL_FALSE;
119 } else if (strcmp(argv[i], "-db") == 0) {
120 doubleBuffer = GL_TRUE;
121 } else {
122 fprintf(stderr, "%s (Bad option).\n", argv[i]);
123 return GL_FALSE;
124 }
125 }
126 return GL_TRUE;
127 }
128
129 int main(int argc, char **argv)
130 {
131 GLenum type;
132
133 glutInit(&argc, argv);
134
135 if (Args(argc, argv) == GL_FALSE) {
136 exit(1);
137 }
138
139 glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
140
141 type = GLUT_RGB | GLUT_ALPHA;
142 type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
143 glutInitDisplayMode(type);
144
145 if (glutCreateWindow("First Tri") == GL_FALSE) {
146 exit(1);
147 }
148
149 Init();
150
151 glutReshapeFunc(Reshape);
152 glutKeyboardFunc(Key);
153 glutDisplayFunc(Draw);
154 glutMainLoop();
155 return 0;
156 }