void
render_camera_init(render_camera_t *camera, int threads)
{
camera->type = RENDER_CAMERA_PERSPECTIVE;
camera->view_num = 1;
camera->view_list = (render_camera_view_t *) bu_malloc (sizeof(render_camera_view_t), "render_camera_init");
camera->dof = 0;
camera->tilt = 0;
/* The camera will use a thread for every cpu the machine has. */
camera->thread_num = threads ? threads : (uint8_t)bu_avail_cpus();
bu_semaphore_init(TIE_SEM_LAST);
/* Initialize camera to rendering surface normals */
render_normal_init(&camera->render, NULL);
camera->rm = RENDER_METHOD_PHONG;
if (shaders == NULL) {
#define REGISTER(x) render_shader_register((const char *)#x, render_##x##_init);
REGISTER(component);
REGISTER(cut);
REGISTER(depth);
REGISTER(flat);
REGISTER(flos);
REGISTER(grid);
REGISTER(normal);
REGISTER(path);
REGISTER(phong);
REGISTER(spall);
REGISTER(surfel);
#undef REGISTER
}
}
/**
* load database and prepare for raytracing
*/
void
fit_prep(struct fitness_state *fstate, int rows, int cols)
{
fstate->max_cpus = fstate->ncpu = 1;/*bu_avail_cpus();*/
fstate->capture = 0;
fstate->res[X] = rows;
fstate->res[Y] = cols;
fstate->ray = NULL;
bu_semaphore_init(TOTAL_SEMAPHORES);
rt_init_resource(&rt_uniresource, fstate->max_cpus, NULL);
bn_rand_init(rt_uniresource.re_randptr, 0);
}
void
bu_semaphore_reinit(unsigned int nsemaphores)
{
if (nsemaphores <= 0)
nsemaphores = 1;
#if !defined(PARALLEL) && !defined(DEFINED_BU_SEMAPHORES)
return; /* No support on this hardware */
#else
bu_semaphore_free();
bu_semaphore_init(nsemaphores);
#endif /* PARALLEL */
}
int
main(int argc, char **argv)
{
int n;
if (argc < 2) {
fprintf(stderr, "%s", srv_usage);
return 1;
}
while (argv[1][0] == '-') {
if (BU_STR_EQUAL(argv[1], "-d")) {
debug++;
} else if (BU_STR_EQUAL(argv[1], "-x")) {
sscanf(argv[2], "%x", (unsigned int *)&RTG.debug);
argc--; argv++;
} else if (BU_STR_EQUAL(argv[1], "-X")) {
sscanf(argv[2], "%x", (unsigned int *)&rdebug);
argc--; argv++;
} else {
fprintf(stderr, "%s", srv_usage);
return 3;
}
argc--; argv++;
}
if (argc != 3 && argc != 4) {
fprintf(stderr, "%s", srv_usage);
return 2;
}
control_host = argv[1];
tcp_port = argv[2];
/* Note that the LIBPKG error logger can not be
* "bu_log", as that can cause bu_log to be entered recursively.
* Given the special version of bu_log in use here,
* that will result in a deadlock in bu_semaphore_acquire(res_syscall)!
* libpkg will default to stderr via pkg_errlog(), which is fine.
*/
pcsrv = pkg_open(control_host, tcp_port, "tcp", "", "",
pkgswitch, NULL);
if (pcsrv == PKC_ERROR) {
fprintf(stderr, "rtsrv: unable to contact %s, port %s\n",
control_host, tcp_port);
return 1;
}
if (argc == 4) {
/* Slip one command to dispatcher */
(void)pkg_send(MSG_CMD, argv[3], strlen(argv[3])+1, pcsrv);
/* Prevent chasing the package with an immediate TCP close */
sleep(1);
pkg_close(pcsrv);
return 0;
}
#ifdef SO_SNDBUF
/* increase the default send buffer size to 32k since we're
* sending pixels more than likely.
*/
{
int val = 32767;
n = setsockopt(pcsrv->pkc_fd, SOL_SOCKET, SO_SNDBUF, (const void *)&val, sizeof(val));
if (n < 0) perror("setsockopt: SO_SNDBUF");
}
#endif
if (!debug) {
/* A fresh process */
if (fork())
return 0;
/* Go into our own process group */
n = bu_process_id();
#ifdef HAVE_SETPGID
if (setpgid(n, n) < 0)
perror("setpgid");
#else
/* SysV uses setpgrp with no args and it can't fail,
* obsoleted by setpgid.
*/
setpgrp();
#endif
/*
* Unless controller process has specifically said
* that this is an interactive session, e.g., for a demo,
* drop to the lowest sensible priority.
*/
if (!interactive) {
bu_nice_set(19); /* lowest priority */
}
/* Close off the world */
fclose(stdin);
fclose(stdout);
fclose(stderr);
(void)close(0);
(void)close(1);
(void)close(2);
/* For stdio & perror safety, reopen 0, 1, 2 */
(void)open("/dev/null", 0); /* to fd 0 */
n = dup(0); /* to fd 1 */
if (n == -1)
perror("dup");
n = dup(0); /* to fd 2 */
if (n == -1)
perror("dup");
#if defined(HAVE_SYS_IOCTL_H) && defined(TIOCNOTTY)
n = open("/dev/tty", 2);
if (n >= 0) {
(void)ioctl(n, TIOCNOTTY, 0);
(void)close(n);
}
#endif
}
/* Send our version string */
if (pkg_send(MSG_VERSION,
PROTOCOL_VERSION, strlen(PROTOCOL_VERSION)+1, pcsrv) < 0) {
fprintf(stderr, "pkg_send MSG_VERSION error\n");
return 1;
}
if (debug) fprintf(stderr, "PROTOCOL_VERSION='%s'\n", PROTOCOL_VERSION);
/*
* Now that the fork() has been done, it is safe to initialize
* the parallel processing support.
*/
avail_cpus = bu_avail_cpus();
/* Need to set rtg_parallel non_zero here for RES_INIT to work */
npsw = avail_cpus;
if (npsw > 1) {
RTG.rtg_parallel = 1;
} else
RTG.rtg_parallel = 0;
bu_semaphore_init(RT_SEM_LAST);
bu_log("using %d of %d cpus\n",
npsw, avail_cpus);
/*
* Initialize the non-parallel memory resource.
* The parallel guys are initialized after the rt_dirbuild().
*/
rt_init_resource(&rt_uniresource, MAX_PSW, NULL);
bn_rand_init(rt_uniresource.re_randptr, MAX_PSW);
BU_LIST_INIT(&WorkHead);
for (;;) {
struct pkg_queue *lp;
fd_set ifds;
struct timeval tv;
/* First, process any packages in library buffers */
if (pkg_process(pcsrv) < 0) {
bu_log("pkg_get error\n");
break;
}
/* Second, see if any input to read */
FD_ZERO(&ifds);
FD_SET(pcsrv->pkc_fd, &ifds);
tv.tv_sec = BU_LIST_NON_EMPTY(&WorkHead) ? 0L : 9999L;
tv.tv_usec = 0L;
if (select(pcsrv->pkc_fd+1, &ifds, (fd_set *)0, (fd_set *)0,
&tv) != 0) {
n = pkg_suckin(pcsrv);
if (n < 0) {
bu_log("pkg_suckin error\n");
break;
} else if (n == 0) {
/* EOF detected */
break;
} else {
/* All is well */
}
}
/* Third, process any new packages in library buffers */
if (pkg_process(pcsrv) < 0) {
bu_log("pkg_get error\n");
break;
}
/* Finally, more work may have just arrived, check our list */
if (BU_LIST_NON_EMPTY(&WorkHead)) {
lp = BU_LIST_FIRST(pkg_queue, &WorkHead);
BU_LIST_DEQUEUE(&lp->l);
switch (lp->type) {
case MSG_MATRIX:
ph_matrix((struct pkg_conn *)0, lp->buf);
break;
case MSG_LINES:
ph_lines((struct pkg_conn *)0, lp->buf);
break;
case MSG_OPTIONS:
ph_options((struct pkg_conn *)0, lp->buf);
break;
case MSG_GETTREES:
ph_gettrees((struct pkg_conn *)0, lp->buf);
break;
default:
bu_log("bad list element, type=%d\n", lp->type);
return 33;
}
BU_PUT(lp, struct pkg_queue);
}
}
return 0; /* bu_exit(0, NULL) */
}
int
main(int argc, char **argv)
{
int i;
bu_setlinebuf(stderr);
bu_log("\n\nThis program is deprecated and will not be supported in future releases\n");
bu_log("\tPlease use \"rtedge\" instead\n");
bu_log("\tPlease notify \"[email protected]\" if you need enhancements to \"rtedge\"\n");
bu_log("\nPress \"Enter\" to continue\n\n");
(void)getchar();
npsw = bu_avail_cpus();
if (npsw > MAX_PSW)
npsw = MAX_PSW;
if (npsw > 1)
RTG.rtg_parallel = 1;
else
RTG.rtg_parallel = 0;
bu_semaphore_init(RT_SEM_LAST);
init_Lgts();
if (! pars_Argv(argc, argv)) {
prnt_Usage();
return 1;
}
for (i = 0; i < NSIG; i++)
switch (i) {
case SIGINT :
if ((norml_sig = signal(i, SIG_IGN)) == SIG_IGN) {
if (! tty)
abort_sig = SIG_IGN;
else {
/* MEX windows on IRIS (other than
the console) ignore SIGINT. */
prnt_Scroll("WARNING: Signal 1 was being ignored!");
goto tty_sig;
}
} else {
tty_sig:
norml_sig = intr_sig;
abort_sig = abort_RT;
(void) signal(i, norml_sig);
}
break;
case SIGCHLD :
break; /* Leave SIGCHLD alone. */
case SIGPIPE :
(void) signal(i, SIG_IGN);
break;
case SIGQUIT :
break;
case SIGTSTP :
(void) signal(i, stop_sig);
break;
}
/* Main loop. */
user_Interaction();
/*NOTREACHED*/
return 99; /* Stupid UTX compiler considers this as reachable. */
}
int
main( int argc, char *argv[] )
{
struct application *ap;
int c;
int verbose = 0;
int i, j;
int grid_size = 64;
fastf_t cell_size;
vect_t model_size;
vect_t xdir, zdir;
int job_count=0;
char **result_map = NULL;
struct bu_ptbl objs;
int my_session_id;
int do_plot=0;
struct timeval startTime;
struct timeval endTime;
double diff;
point_t mdl_min;
point_t mdl_max;
struct bu_vlb *vlb;
/* Things like bu_malloc() must have these initialized for use with parallel processing */
bu_semaphore_init( RT_SEM_LAST );
/* initialize the list of BRL-CAD objects to be raytraced (this is used for the "-o" option) */
bu_ptbl_init( &objs, 64, "objects" );
/* process command line args */
while ( (c=bu_getopt( argc, argv, "vps:o:" ) ) != -1 ) {
switch ( c ) {
case 'p': /* do print plot */
do_plot = 1;
break;
case 's': /* set the grid size (default is 64x64) */
grid_size = atoi( bu_optarg );
break;
case 'v': /* turn on verbose logging */
verbose = 1;
rts_set_verbosity( 1 );
break;
case 'o': /* add an object name to the list of BRL-CAD objects to raytrace */
bu_ptbl_ins( &objs, (long *)bu_optarg );
break;
default: /* ERROR */
bu_exit(1, usage, argv[0]);
}
}
if (bu_debug & BU_DEBUG_MEM_CHECK) {
bu_prmem("initial memory map");
bu_mem_barriercheck();
}
/* shoot a ray ten times, cleaning and loading geometry each time */
for(i=0 ; i<10 ; i++) {
/* load geometry */
my_session_id = loadGeometry( argv[bu_optind], &objs );
if ( my_session_id < 0 ) {
bu_exit(2, "Failed to load geometry from file (%s)\n", argv[bu_optind] );
}
get_model_extents( my_session_id, mdl_min, mdl_max );
VSET( xdir, 1, 0, 0 );
VSET( zdir, 0, 0, 1 );
VSUB2( model_size, mdl_max, mdl_min );
ap = NULL;
getApplication(&ap);
VJOIN2( ap->a_ray.r_pt, mdl_min,
model_size[Z]/2.0, zdir,
model_size[X]/2.0, xdir );
VSET( ap->a_ray.r_dir, 0, 1, 0 );
rts_shootray(ap);
vlb = (struct bu_vlb*)ap->a_uptr;
printHits(vlb);
freeApplication(ap);
/*rts_clean( my_session_id );*/
bu_log( "\n\n********* %d\n", i);
if (bu_debug & BU_DEBUG_MEM_CHECK) {
bu_prmem("memory after shutdown");
}
}
my_session_id = loadGeometry( argv[bu_optind], &objs );
/* submit some jobs */
fprintf( stderr, "\nfiring a grid (%dx%d) of rays at",
grid_size, grid_size );
for ( i=0; i<(int)BU_PTBL_LEN( &objs ); i++ ) {
fprintf( stderr, " %s", (char *)BU_PTBL_GET( &objs, i ) );
}
fprintf( stderr, "...\n" );
if( do_plot ) {
result_map = (char **)bu_calloc( grid_size, sizeof( char *), "result_map" );
for ( i=0; i<grid_size; i++ ) {
result_map[i] = (char *)bu_calloc( (grid_size+1), sizeof( char ), "result_map[i]" );
}
}
cell_size = model_size[X] / grid_size;
gettimeofday( &startTime, NULL );
for ( i=0; i<grid_size; i++ ) {
if( verbose ) {
fprintf( stderr, "shooting row %d\n", i );
}
for ( j=0; j<grid_size; j++ ) {
int hitCount;
getApplication(&ap);
ap->a_user = my_session_id;
VJOIN2( ap->a_ray.r_pt,
mdl_min,
i*cell_size,
zdir,
j*cell_size,
xdir );
ap->a_ray.index = ap->a_user;
VSET( ap->a_ray.r_dir, 0, 1, 0 );
rts_shootray(ap);
if( do_plot ) {
hitCount = countHits(ap->a_uptr);
if ( hitCount == 0 ) {
result_map[i][j] = ' ';
} else if ( hitCount <= 9 ) {
result_map[i][j] = '0' + hitCount;
} else {
result_map[i][j] = '*';
}
}
freeApplication(ap);
job_count++;
}
}
gettimeofday( &endTime, NULL );
diff = endTime.tv_sec - startTime.tv_sec + (endTime.tv_usec - startTime.tv_usec) / 1000000.0;
fprintf( stderr, "time for %d individual rays: %g second\n", job_count, diff );
if(do_plot) {
for ( i=grid_size-1; i>=0; i-- ) {
fprintf( stderr, "%s\n", result_map[i] );
}
}
return 0;
}
/*
* M A I N
*/
int main(int argc, char **argv)
{
struct rt_i *rtip = NULL;
char *title_file = NULL, *title_obj = NULL; /* name of file and first object */
char idbuf[RT_BUFSIZE] = {0}; /* First ID record info */
void application_init();
struct bu_vls times;
int i;
#if defined(_WIN32) && !defined(__CYGWIN__)
setmode(fileno(stdin), O_BINARY);
setmode(fileno(stdout), O_BINARY);
setmode(fileno(stderr), O_BINARY);
#else
bu_setlinebuf( stdout );
bu_setlinebuf( stderr );
#endif
#ifdef HAVE_SBRK
beginptr = (char *) sbrk(0);
#endif
azimuth = 35.0; /* GIFT defaults */
elevation = 25.0;
AmbientIntensity=0.4;
background[0] = background[1] = 0.0;
background[2] = 1.0/255.0; /* slightly non-black */
/* Before option processing, get default number of processors */
npsw = bu_avail_cpus(); /* Use all that are present */
if ( npsw > MAX_PSW ) npsw = MAX_PSW;
/* Before option processing, do application-specific initialization */
RT_APPLICATION_INIT( &ap );
application_init();
/* Process command line options */
if ( !get_args( argc, argv ) ) {
(void)fputs(usage, stderr);
return 1;
}
/* Identify the versions of the libraries we are using. */
if (rt_verbosity & VERBOSE_LIBVERSIONS) {
(void)fprintf(stderr, "%s%s%s%s\n",
brlcad_ident(title),
rt_version(),
bn_version(),
bu_version()
);
}
#if defined(DEBUG)
(void)fprintf(stderr, "Compile-time debug symbols are available\n");
#endif
#if defined(NO_BOMBING_MACROS) || defined(NO_MAGIC_CHECKING) || defined(NO_BADRAY_CECHKING) || defined(NO_DEBUG_CHECKING)
(void)fprintf(stderr, "WARNING: Run-time debugging is disabled and may enhance performance\n");
#endif
/* Identify what host we're running on */
if (rt_verbosity & VERBOSE_LIBVERSIONS) {
char hostname[512] = {0};
#ifndef _WIN32
if ( gethostname( hostname, sizeof(hostname) ) >= 0 &&
hostname[0] != '\0' )
(void)fprintf(stderr, "Running on %s\n", hostname);
#else
sprintf(hostname, "Microsoft Windows");
(void)fprintf(stderr, "Running on %s\n", hostname);
#endif
}
if ( bu_optind >= argc ) {
fprintf(stderr, "%s: MGED database not specified\n", argv[0]);
(void)fputs(usage, stderr);
return 1;
}
if (rpt_overlap)
ap.a_logoverlap = ((void (*)())0);
else
ap.a_logoverlap = rt_silent_logoverlap;
/* If user gave no sizing info at all, use 512 as default */
if ( width <= 0 && cell_width <= 0 )
width = 512;
if ( height <= 0 && cell_height <= 0 )
height = 512;
/* If user didn't provide an aspect ratio, use the image
* dimensions ratio as a default.
*/
if (aspect <= 0.0) {
aspect = (fastf_t)width / (fastf_t)height;
}
if ( sub_grid_mode ) {
/* check that we have a legal subgrid */
if ( sub_xmax >= width || sub_ymax >= height ) {
fprintf( stderr, "rt: illegal values for subgrid %d,%d,%d,%d\n",
sub_xmin, sub_ymin, sub_xmax, sub_ymax );
fprintf( stderr, "\tFor a %d X %d image, the subgrid must be within 0, 0,%d,%d\n",
width, height, width-1, height-1 );
return 1;
}
}
if ( incr_mode ) {
int x = height;
if ( x < width ) x = width;
incr_nlevel = 1;
while ( (1<<incr_nlevel) < x )
incr_nlevel++;
height = width = 1<<incr_nlevel;
if (rt_verbosity & VERBOSE_INCREMENTAL)
fprintf(stderr,
"incremental resolution, nlevels = %d, width=%d\n",
incr_nlevel, width);
}
/*
* Handle parallel initialization, if applicable.
*/
#ifndef PARALLEL
npsw = 1; /* force serial */
#endif
if ( npsw < 0 ) {
/* Negative number means "all but" npsw */
npsw = bu_avail_cpus() + npsw;
}
/* allow debug builds to go higher than the max */
if (!(bu_debug & BU_DEBUG_PARALLEL)) {
if ( npsw > MAX_PSW ) {
npsw = MAX_PSW;
}
}
if (npsw > 1) {
rt_g.rtg_parallel = 1;
if (rt_verbosity & VERBOSE_MULTICPU)
fprintf(stderr, "Planning to run with %d processors\n", npsw );
} else {
rt_g.rtg_parallel = 0;
}
/* Initialize parallel processor support */
bu_semaphore_init( RT_SEM_LAST );
/*
* Do not use bu_log() or bu_malloc() before this point!
*/
if ( bu_debug ) {
bu_printb( "libbu bu_debug", bu_debug, BU_DEBUG_FORMAT );
bu_log("\n");
}
if ( RT_G_DEBUG ) {
bu_printb( "librt rt_g.debug", rt_g.debug, DEBUG_FORMAT );
bu_log("\n");
}
if ( rdebug ) {
bu_printb( "rt rdebug", rdebug, RDEBUG_FORMAT );
bu_log("\n");
}
/* We need this to run rt_dirbuild */
rt_init_resource( &rt_uniresource, MAX_PSW, NULL );
bn_rand_init( rt_uniresource.re_randptr, 0 );
title_file = argv[bu_optind];
title_obj = argv[bu_optind+1];
nobjs = argc - bu_optind - 1;
objtab = &(argv[bu_optind+1]);
if ( nobjs <= 0 ) {
bu_log("%s: no objects specified -- raytrace aborted\n", argv[0]);
return 1;
}
/* Echo back the command line arugments as given, in 3 Tcl commands */
if (rt_verbosity & VERBOSE_MODELTITLE) {
struct bu_vls str;
bu_vls_init(&str);
bu_vls_from_argv( &str, bu_optind, (const char **)argv );
bu_vls_strcat( &str, "\nopendb " );
bu_vls_strcat( &str, title_file );
bu_vls_strcat( &str, ";\ntree " );
bu_vls_from_argv( &str,
nobjs <= 16 ? nobjs : 16,
(const char **)argv+bu_optind+1 );
if ( nobjs > 16 )
bu_vls_strcat( &str, " ...");
else
bu_vls_putc( &str, ';' );
bu_log("%s\n", bu_vls_addr(&str) );
bu_vls_free(&str);
}
/* Build directory of GED database */
bu_vls_init( × );
rt_prep_timer();
if ( (rtip=rt_dirbuild(title_file, idbuf, sizeof(idbuf))) == RTI_NULL ) {
bu_log("rt: rt_dirbuild(%s) failure\n", title_file);
return 2;
}
ap.a_rt_i = rtip;
(void)rt_get_timer( ×, NULL );
if (rt_verbosity & VERBOSE_MODELTITLE)
bu_log("db title: %s\n", idbuf);
if (rt_verbosity & VERBOSE_STATS)
bu_log("DIRBUILD: %s\n", bu_vls_addr(×) );
bu_vls_free( × );
memory_summary();
/* Copy values from command line options into rtip */
rtip->rti_space_partition = space_partition;
rtip->rti_nugrid_dimlimit = nugrid_dimlimit;
rtip->rti_nu_gfactor = nu_gfactor;
rtip->useair = use_air;
rtip->rti_save_overlaps = save_overlaps;
if ( rt_dist_tol > 0 ) {
rtip->rti_tol.dist = rt_dist_tol;
rtip->rti_tol.dist_sq = rt_dist_tol * rt_dist_tol;
}
if ( rt_perp_tol > 0 ) {
rtip->rti_tol.perp = rt_perp_tol;
rtip->rti_tol.para = 1 - rt_perp_tol;
}
if (rt_verbosity & VERBOSE_TOLERANCE)
rt_pr_tol( &rtip->rti_tol );
/* before view_init */
if ( outputfile && strcmp( outputfile, "-") == 0 )
outputfile = (char *)0;
/*
* Initialize application.
* Note that width & height may not have been set yet,
* since they may change from frame to frame.
*/
if ( view_init( &ap, title_file, title_obj, outputfile!=(char *)0, framebuffer!=(char *)0 ) != 0 ) {
/* Framebuffer is desired */
register int xx, yy;
int zoom;
/* Ask for a fb big enough to hold the image, at least 512. */
/* This is so MGED-invoked "postage stamps" get zoomed up big enough to see */
xx = yy = 512;
if ( width > xx || height > yy ) {
xx = width;
yy = height;
}
bu_semaphore_acquire( BU_SEM_SYSCALL );
fbp = fb_open( framebuffer, xx, yy );
bu_semaphore_release( BU_SEM_SYSCALL );
if ( fbp == FBIO_NULL ) {
fprintf(stderr, "rt: can't open frame buffer\n");
return 12;
}
bu_semaphore_acquire( BU_SEM_SYSCALL );
/* If fb came out smaller than requested, do less work */
if ( fb_getwidth(fbp) < width ) width = fb_getwidth(fbp);
if ( fb_getheight(fbp) < height ) height = fb_getheight(fbp);
/* If the fb is lots bigger (>= 2X), zoom up & center */
if ( width > 0 && height > 0 ) {
zoom = fb_getwidth(fbp)/width;
if ( fb_getheight(fbp)/height < zoom )
zoom = fb_getheight(fbp)/height;
} else {
zoom = 1;
}
(void)fb_view( fbp, width/2, height/2,
zoom, zoom );
bu_semaphore_release( BU_SEM_SYSCALL );
}
if ( (outputfile == (char *)0) && (fbp == FBIO_NULL) ) {
/* If not going to framebuffer, or to a file, then use stdout */
if ( outfp == NULL ) outfp = stdout;
/* output_is_binary is changed by view_init, as appropriate */
if ( output_is_binary && isatty(fileno(outfp)) ) {
fprintf(stderr, "rt: attempting to send binary output to terminal, aborting\n");
return 14;
}
}
/*
* Initialize all the per-CPU memory resources.
* The number of processors can change at runtime, init them all.
*/
for ( i=0; i < MAX_PSW; i++ ) {
rt_init_resource( &resource[i], i, rtip );
bn_rand_init( resource[i].re_randptr, i );
}
memory_summary();
#ifdef SIGUSR1
(void)signal( SIGUSR1, siginfo_handler );
#endif
#ifdef SIGINFO
(void)signal( SIGINFO, siginfo_handler );
#endif
if ( !matflag ) {
int frame_retval;
def_tree( rtip ); /* Load the default trees */
do_ae( azimuth, elevation );
frame_retval = do_frame( curframe );
if (frame_retval != 0) {
/* Release the framebuffer, if any */
if ( fbp != FBIO_NULL ) {
fb_close(fbp);
}
return 1;
}
} else if ( !isatty(fileno(stdin)) && old_way( stdin ) ) {
; /* All is done */
} else {
register char *buf;
register int ret;
/*
* New way - command driven.
* Process sequence of input commands.
* All the work happens in the functions
* called by rt_do_cmd().
*/
while ( (buf = rt_read_cmd( stdin )) != (char *)0 ) {
if ( R_DEBUG&RDEBUG_PARSE )
fprintf(stderr, "cmd: %s\n", buf );
ret = rt_do_cmd( rtip, buf, rt_cmdtab );
bu_free( buf, "rt_read_cmd command buffer" );
if ( ret < 0 )
break;
}
if ( curframe < desiredframe ) {
fprintf(stderr,
"rt: Desired frame %d not reached, last was %d\n",
desiredframe, curframe);
}
}
/* Release the framebuffer, if any */
if (fbp != FBIO_NULL) {
fb_close(fbp);
}
return(0);
}
