2
* Enable as much fixed-function vertex processing state as possible
3
* to test fixed-function -> program code generation.
16
Reshape(int width, int height)
18
glViewport(0, 0, (GLint)width, (GLint)height);
19
glMatrixMode(GL_PROJECTION);
21
glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
22
glMatrixMode(GL_MODELVIEW);
29
glClear(GL_COLOR_BUFFER_BIT);
31
glBegin(GL_TRIANGLES);
33
glVertex3f(-0.9, -0.9, -30.0);
35
glVertex3f( 0.9, -0.9, -30.0);
37
glVertex3f( 0.0, 0.9, -30.0);
49
GLubyte tex[16][16][4];
50
GLfloat pos[4] = {5, 10, 3, 1.0};
53
fprintf(stderr, "GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
54
fprintf(stderr, "GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
55
fprintf(stderr, "GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
58
glClearColor(0.3, 0.1, 0.3, 0.0);
60
for (i = 0; i < 16; i++) {
61
for (j = 0; j < 16; j++) {
78
glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, 1);
79
glFogi(GL_FOG_MODE, GL_LINEAR);
82
glPointParameterfv(GL_DISTANCE_ATTENUATION_EXT, pos);
84
for (i = 0; i < 8; i++) {
87
glEnable(GL_LIGHT0 + i);
88
glLightf(GL_LIGHT0 + i, GL_SPOT_EXPONENT, 3.5);
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glLightf(GL_LIGHT0 + i, GL_SPOT_CUTOFF, 30.);
90
glLightf(GL_LIGHT0 + i, GL_CONSTANT_ATTENUATION, 3.);
91
glLightf(GL_LIGHT0 + i, GL_LINEAR_ATTENUATION, 3.);
92
glLightf(GL_LIGHT0 + i, GL_QUADRATIC_ATTENUATION, 3.);
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glLightfv(GL_LIGHT0 + i, GL_POSITION, pos);
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glActiveTexture(GL_TEXTURE0 + i);
96
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
97
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
98
glTexGeni(GL_R, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
99
glTexGeni(GL_Q, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
100
glEnable(GL_TEXTURE_GEN_S);
101
glEnable(GL_TEXTURE_GEN_T);
102
glEnable(GL_TEXTURE_GEN_R);
103
glEnable(GL_TEXTURE_GEN_Q);
104
glEnable(GL_TEXTURE_2D);
106
glMatrixMode(GL_TEXTURE);
107
glScalef(2.0, 1.0, 3.0);
109
glGenTextures(1, &texObj);
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glBindTexture(GL_TEXTURE_2D, texObj);
111
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 16, 16, 0,
112
GL_RGBA, GL_UNSIGNED_BYTE, tex);
113
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
114
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
115
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
118
glEnable(GL_LIGHTING);
119
glActiveTexture(GL_TEXTURE0);
120
glMatrixMode(GL_MODELVIEW);
125
Key(unsigned char key, int x, int y)
135
main(int argc, char **argv)
137
GLenum type = GLUT_RGB | GLUT_DOUBLE;
139
glutInit(&argc, argv);
140
glutInitWindowPosition(0, 0);
141
glutInitWindowSize( 250, 250);
142
glutInitDisplayMode(type);
143
if (glutCreateWindow(*argv) == GL_FALSE) {
147
glutReshapeFunc(Reshape);
148
glutKeyboardFunc(Key);
149
glutDisplayFunc(Draw);