int main( int argc, char *argv[] ) { Display *dpy; Window win; Pixmap pm; GLXPixmap glxpm; dpy = XOpenDisplay(NULL); win = make_rgb_window( dpy, 300, 300 ); glxpm = make_pixmap( dpy, win, 300, 300, &pm ); glXMakeCurrent( dpy, glxpm, ctx ); printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER)); /* Render an image into the pixmap */ glShadeModel( GL_FLAT ); glClearColor( 0.5, 0.5, 0.5, 1.0 ); glClear( GL_COLOR_BUFFER_BIT ); glViewport( 0, 0, 300, 300 ); glOrtho( -1.0, 1.0, -1.0, 1.0, -1.0, 1.0 ); glColor3f( 0.0, 1.0, 1.0 ); glRectf( -0.75, -0.75, 0.75, 0.75 ); glFlush(); XMapWindow( dpy, win ); event_loop( dpy, pm ); return 0; }
int main( int argc, char *argv[] ) { Display *dpy; Window win; Pixmap pm; GLXPixmap glxpm; int eventbase, errorbase; dpy = XOpenDisplay(NULL); if(NULL == dpy) { fprintf(stderr, "error: opening display\n"); return EXIT_FAILURE; } if(!glXQueryExtension(dpy, &eventbase, &errorbase)) { fprintf(stderr, "GLX is not available!\n"); return EXIT_FAILURE; } win = make_rgb_window( dpy, 300, 300 ); fprintf(stderr, "This test should produce a GLXBadPixmap error.\n"); glXDestroyPixmap(dpy, /*intentional*/ win); return 0; }
int main( int argc, char *argv[] ) { Display *dpy; Window win; Pixmap pm; GLXPixmap glxpm; int eventbase, errorbase; dpy = XOpenDisplay(NULL); if(NULL == dpy) { fprintf(stderr, "error: opening display\n"); return EXIT_FAILURE; } if(!glXQueryExtension(dpy, &eventbase, &errorbase)) { fprintf(stderr, "GLX is not available!\n"); return EXIT_FAILURE; } win = make_rgb_window( dpy, 300, 300 ); glxpm = make_pixmap( dpy, win, 300, 300, &pm ); printf("glxpm 0x%lx\n", glxpm); if(!glXMakeCurrent(dpy, glxpm, ctx)) { fprintf(stderr, "glXMakeCurrent failed!\n"); return EXIT_FAILURE; } printf("GL_RENDERER: %s\n", (char *) glGetString(GL_RENDERER)); /* Render an image into the pixmap */ glShadeModel( GL_FLAT ); glClearColor( 0.5, 0.5, 0.5, 1.0 ); glClear( GL_COLOR_BUFFER_BIT ); glViewport( 0, 0, 300, 300 ); glOrtho( -1.0, 1.0, -1.0, 1.0, -1.0, 1.0 ); glColor3f( 0.0, 0.0, 1.0 ); glRectf( -0.75, -0.75, 0.75, 0.75 ); glFlush(); XMapWindow( dpy, win ); event_loop( dpy, pm ); return 0; }