/* $Id: multiwindow.c,v 1.1 2001/08/21 14:25:31 brianp Exp $ */ /* * A skeleton/template GLUT program * * Written by Brian Paul and in the public domain. */ /* * $Log: multiwindow.c,v $ * Revision 1.1 2001/08/21 14:25:31 brianp * simple multi-window GLUT test prog * * Revision 1.1.1.1 1999/08/19 00:55:42 jtg * Imported sources * * Revision 1.2 1998/11/07 14:20:14 brianp * added simple rotation, animation of cube * * Revision 1.1 1998/11/07 14:14:37 brianp * Initial revision * */ #include <stdio.h> #include <stdlib.h> #include <math.h> #include <GL/glut.h> static GLint Window[2]; static GLfloat Xrot = 0, Yrot = 0, Zrot = 0; static GLboolean Anim = GL_TRUE; static void Idle( void ) { Xrot += 3.0; Yrot += 4.0; Zrot += 2.0; glutSetWindow(Window[0]); glutPostRedisplay(); glutSetWindow(Window[1]); glutPostRedisplay(); } static void Display0( void ) { glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ); glEnable(GL_LIGHTING); glEnable(GL_LIGHT0); glEnable(GL_DEPTH_TEST); glPushMatrix(); glRotatef(Xrot, 1, 0, 0); glRotatef(Yrot, 0, 1, 0); glRotatef(Zrot, 0, 0, 1); glColor3f(0, 1, 0); glutSolidCube(2.0); glPopMatrix(); glutSwapBuffers(); } static void Display1( void ) { glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ); glPushMatrix(); glRotatef(Xrot, 1, 0, 0); glRotatef(Yrot, 0, 1, 0); glRotatef(Zrot, 0, 0, 1); glShadeModel(GL_FLAT); glBegin(GL_TRIANGLE_STRIP); glColor3f(1, 0, 0); glVertex2f(-1, -1); glVertex2f( 1, -1); glColor3f(1, 0, 0); glVertex2f( -1, 1); glColor3f(0, 0, 1); glVertex2f( 1, 1); glEnd(); glPopMatrix(); glutSwapBuffers(); } static void Reshape( int width, int height ) { glViewport( 0, 0, width, height ); glMatrixMode( GL_PROJECTION ); glLoadIdentity(); glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 25.0 ); glMatrixMode( GL_MODELVIEW ); glLoadIdentity(); glTranslatef( 0.0, 0.0, -15.0 ); } static void Key( unsigned char key, int x, int y ) { const GLfloat step = 3.0; (void) x; (void) y; switch (key) { case 'a': Anim = !Anim; if (Anim) glutIdleFunc(Idle); else glutIdleFunc(NULL); break; case 'z': Zrot -= step; break; case 'Z': Zrot += step; break; case 27: exit(0); break; } glutPostRedisplay(); } int main( int argc, char *argv[] ) { glutInit( &argc, argv ); glutInitWindowPosition( 0, 0 ); glutInitWindowSize( 400, 400 ); glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH ); Window[0] = glutCreateWindow(argv[0]); glutReshapeFunc( Reshape ); glutKeyboardFunc( Key ); glutDisplayFunc( Display0 ); glutIdleFunc(Idle); printf("GL_RENDERER[0] = %s\n", (char *) glGetString(GL_RENDERER)); glutInitWindowPosition( 500, 0 ); glutInitWindowSize( 400, 400 ); glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH ); Window[1] = glutCreateWindow(argv[0]); glutReshapeFunc( Reshape ); glutKeyboardFunc( Key ); glutDisplayFunc( Display1 ); glutIdleFunc(Idle); printf("GL_RENDERER[1] = %s\n", (char *) glGetString(GL_RENDERER)); glutMainLoop(); return 0; }