Linux(Ubuntu)安装OpenGL/Glut库
sudo apt-get install
freeglut3 freeglut3-dev
// For newer versions of Ubuntu(>=11.10) you have to install another package because the linker does not link anymore.
sudo apt-get install binutils-gold
1. 编辑 color_cube.cpp1: // Name : OpenGL Color Cube
2: // Author : Terrence Ma
3: // Email : [email protected]
4: // Web : http://www.terrence.com
5: // Date : 10/25/2001
6: // Modified : Tutorial sample from Mesa3d.org (http://www.mesa3d.org)
7:
8: /*
9: * Copyright (c) 1993-1997, Silicon Graphics, Inc.
10: * ALL RIGHTS RESERVED
11: * Permission to use, copy, modify, and distribute this software for
12: * any purpose and without fee is hereby granted, provided that the above
13: * copyright notice appear in all copies and that both the copyright notice
14: * and this permission notice appear in supporting documentation, and that
15: * the name of Silicon Graphics, Inc. not be used in advertising
16: * or publicity pertaining to distribution of the software without specific,
17: * written prior permission.
18: *
19: * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
20: * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
21: * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
22: * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
23: * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
24: * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
25: * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
26: * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
27: * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
28: * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
29: * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
30: * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
31: *
32: * US Government Users Restricted Rights
33: * Use, duplication, or disclosure by the Government is subject to
34: * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
35: * (c)(1)(ii) of the Rights in Technical Data and Computer Software
36: * clause at DFARS 252.227-7013 and/or in similar or successor
37: * clauses in the FAR or the DOD or NASA FAR Supplement.
38: * Unpublished-- rights reserved under the copyright laws of the
39: * United States. Contractor/manufacturer is Silicon Graphics,
40: * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
41: *
42: * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
43: */
44:
45: /*
46: * aapoly.c
47: * This program draws filled polygons with antialiased
48: * edges. The special GL_SRC_ALPHA_SATURATE blending
49: * function is used.
50: * Pressing the 't' key turns the antialiasing on and off.
51: */
52: #include
53: #include
54:
55: GLboolean polySmooth = GL_TRUE;
56:
57: static void init(void)
58: {
59: glCullFace (GL_BACK);
60: glEnable (GL_CULL_FACE);
61: glBlendFunc (GL_SRC_ALPHA_SATURATE, GL_ONE);
62: glClearColor (0.0, 0.0, 0.0, 0.0);
63: }
64:
65: #define NFACE 6
66: #define NVERT 8
67: void drawCube(GLdouble x0, GLdouble x1, GLdouble y0, GLdouble y1,
68: GLdouble z0, GLdouble z1)
69: {
70: static GLfloat v[8][3];
71: static GLfloat c[8][4] = {
72: {0.0, 0.0, 0.0, 1.0}, {1.0, 0.0, 0.0, 1.0},
73: {0.0, 1.0, 0.0, 1.0}, {1.0, 1.0, 0.0, 1.0},
74: {0.0, 0.0, 1.0, 1.0}, {1.0, 0.0, 1.0, 1.0},
75: {0.0, 1.0, 1.0, 1.0}, {1.0, 1.0, 1.0, 1.0}
76: };
77:
78: /* indices of front, top, left, bottom, right, back faces */
79: static GLubyte indices[NFACE][4] = {
80: {4, 5, 6, 7}, {2, 3, 7, 6}, {0, 4, 7, 3},
81: {0, 1, 5, 4}, {1, 5, 6, 2}, {0, 3, 2, 1}
82: };
83:
84: v[0][0] = v[3][0] = v[4][0] = v[7][0] = x0;
85: v[1][0] = v[2][0] = v[5][0] = v[6][0] = x1;
86: v[0][1] = v[1][1] = v[4][1] = v[5][1] = y0;
87: v[2][1] = v[3][1] = v[6][1] = v[7][1] = y1;
88: v[0][2] = v[1][2] = v[2][2] = v[3][2] = z0;
89: v[4][2] = v[5][2] = v[6][2] = v[7][2] = z1;
90:
91: #ifdef GL_VERSION_1_1
92: glEnableClientState (GL_VERTEX_ARRAY);
93: glEnableClientState (GL_COLOR_ARRAY);
94: glVertexPointer (3, GL_FLOAT, 0, v);
95: glColorPointer (4, GL_FLOAT, 0, c);
96: glDrawElements (GL_QUADS, NFACE*4, GL_UNSIGNED_BYTE, indices);
97: glDisableClientState (GL_VERTEX_ARRAY);
98: glDisableClientState (GL_COLOR_ARRAY);
99: #else
100: printf ("If this is GL Version 1.0, ");
101: printf ("vertex arrays are not supported.\n");
102: exit(1);
103: #endif
104: }
105:
106: /* Note: polygons must be drawn from front to back
107: * for proper blending.
108: */
109: void display(void)
110: {
111: if (polySmooth) {
112: glClear (GL_COLOR_BUFFER_BIT);
113: glEnable (GL_BLEND);
114: glEnable (GL_POLYGON_SMOOTH);
115: glDisable (GL_DEPTH_TEST);
116: }
117: else {
118: glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
119: glDisable (GL_BLEND);
120: glDisable (GL_POLYGON_SMOOTH);
121: glEnable (GL_DEPTH_TEST);
122: }
123:
124: glPushMatrix ();
125: glTranslatef (0.0, 0.0, -8.0);
126: glRotatef (30.0, 1.0, 0.0, 0.0);
127: glRotatef (60.0, 0.0, 1.0, 0.0);
128: drawCube(-0.8, 0.8, -0.8, 0.8, -0.8, 0.8);
129: glPopMatrix ();
130:
131: glFlush ();
132: }
133:
134: void reshape(int w, int h)
135: {
136: glViewport(0, 0, (GLsizei) w, (GLsizei) h);
137: glMatrixMode(GL_PROJECTION);
138: glLoadIdentity();
139: gluPerspective(30.0, (GLfloat) w/(GLfloat) h, 1.0, 20.0);
140: glMatrixMode(GL_MODELVIEW);
141: glLoadIdentity();
142: }
143:
144: /* ARGSUSED1 */
145: void keyboard(unsigned char key, int x, int y)
146: {
147: switch (key) {
148: case 't':
149: case 'T':
150: polySmooth = !polySmooth;
151: glutPostRedisplay();
152: break;
153: case 27:
154: exit(0); /* Escape key */
155: break;
156: default:
157: break;
158: }
159: }
160:
161: /* Main Loop
162: */
163: int main(int argc, char** argv)
164: {
165: glutInit(&argc, argv);
166: glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB
167: | GLUT_ALPHA | GLUT_DEPTH);
168: glutInitWindowSize(400, 400);
169: glutCreateWindow("OpenGL Color Cube");
170: init ();
171: glutReshapeFunc (reshape);
172: glutKeyboardFunc (keyboard);
173: glutDisplayFunc (display);
174: glutMainLoop();
175: return 0;
176: }
2. 通过链接OpenGL/Glut库来编译 color_cube.cpp
g++ -lGL -lglut color_cube.cpp -o test
