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gerrit-public.fairphone.software / fp2-dev / platform / external / mesa3d / afe4f5e6c165e21e1353388ad0f95822569b901b / . / progs / tests / multiwindow.c
blob: e004b0336cac567a698d78412265b8c37a0d02b5 [file] [log] [blame]
Brian Paulafe4f5e2001-08-21 14:25:31 +0000[diff] [blame^]1/* $Id: multiwindow.c,v 1.1 2001/08/21 14:25:31 brianp Exp $ */
2
3/*
4 * A skeleton/template GLUT program
5 *
6 * Written by Brian Paul and in the public domain.
7 */
8
9
10/*
11 * $Log: multiwindow.c,v $
12 * Revision 1.1 2001/08/21 14:25:31 brianp
13 * simple multi-window GLUT test prog
14 *
15 * Revision 1.1.1.1 1999/08/19 00:55:42 jtg
16 * Imported sources
17 *
18 * Revision 1.2 1998/11/07 14:20:14 brianp
19 * added simple rotation, animation of cube
20 *
21 * Revision 1.1 1998/11/07 14:14:37 brianp
22 * Initial revision
23 *
24 */
25
26
27#include <stdio.h>
28#include <stdlib.h>
29#include <math.h>
30#include <GL/glut.h>
31
32
33static GLint Window[2];
34
35static GLfloat Xrot = 0, Yrot = 0, Zrot = 0;
36static GLboolean Anim = GL_TRUE;
37
38
39static void Idle( void )
40{
41 Xrot += 3.0;
42 Yrot += 4.0;
43 Zrot += 2.0;
44
45 glutSetWindow(Window[0]);
46 glutPostRedisplay();
47 glutSetWindow(Window[1]);
48 glutPostRedisplay();
49}
50
51
52static void Display0( void )
53{
54 glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
55
56 glEnable(GL_LIGHTING);
57 glEnable(GL_LIGHT0);
58 glEnable(GL_DEPTH_TEST);
59
60 glPushMatrix();
61 glRotatef(Xrot, 1, 0, 0);
62 glRotatef(Yrot, 0, 1, 0);
63 glRotatef(Zrot, 0, 0, 1);
64
65 glColor3f(0, 1, 0);
66 glutSolidCube(2.0);
67
68 glPopMatrix();
69
70 glutSwapBuffers();
71}
72
73
74static void Display1( void )
75{
76 glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
77
78 glPushMatrix();
79 glRotatef(Xrot, 1, 0, 0);
80 glRotatef(Yrot, 0, 1, 0);
81 glRotatef(Zrot, 0, 0, 1);
82
83 glShadeModel(GL_FLAT);
84
85 glBegin(GL_TRIANGLE_STRIP);
86 glColor3f(1, 0, 0);
87 glVertex2f(-1, -1);
88 glVertex2f( 1, -1);
89 glColor3f(1, 0, 0);
90 glVertex2f( -1, 1);
91 glColor3f(0, 0, 1);
92 glVertex2f( 1, 1);
93 glEnd();
94
95 glPopMatrix();
96
97 glutSwapBuffers();
98}
99
100
101static void Reshape( int width, int height )
102{
103 glViewport( 0, 0, width, height );
104 glMatrixMode( GL_PROJECTION );
105 glLoadIdentity();
106 glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 );
107 glMatrixMode( GL_MODELVIEW );
108 glLoadIdentity();
109 glTranslatef( 0.0, 0.0, -15.0 );
110}
111
112
113static void Key( unsigned char key, int x, int y )
114{
115 const GLfloat step = 3.0;
116 (void) x;
117 (void) y;
118 switch (key) {
119 case 'a':
120 Anim = !Anim;
121 if (Anim)
122 glutIdleFunc(Idle);
123 else
124 glutIdleFunc(NULL);
125 break;
126 case 'z':
127 Zrot -= step;
128 break;
129 case 'Z':
130 Zrot += step;
131 break;
132 case 27:
133 exit(0);
134 break;
135 }
136 glutPostRedisplay();
137}
138
139
140
141
142int main( int argc, char *argv[] )
143{
144 glutInit( &argc, argv );
145
146 glutInitWindowPosition( 0, 0 );
147 glutInitWindowSize( 400, 400 );
148 glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
149 Window[0] = glutCreateWindow(argv[0]);
150 glutReshapeFunc( Reshape );
151 glutKeyboardFunc( Key );
152 glutDisplayFunc( Display0 );
153 glutIdleFunc(Idle);
154 printf("GL_RENDERER[0] = %s\n", (char *) glGetString(GL_RENDERER));
155
156 glutInitWindowPosition( 500, 0 );
157 glutInitWindowSize( 400, 400 );
158 glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
159 Window[1] = glutCreateWindow(argv[0]);
160 glutReshapeFunc( Reshape );
161 glutKeyboardFunc( Key );
162 glutDisplayFunc( Display1 );
163 glutIdleFunc(Idle);
164 printf("GL_RENDERER[1] = %s\n", (char *) glGetString(GL_RENDERER));
165
166 glutMainLoop();
167
168 return 0;
169}