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root/radiance/ray/src/rt/rpmain.c
Revision: 2.8
Committed: Tue Mar 30 16:13:01 2004 UTC (20 years, 1 month ago) by schorsch
Content type: text/plain
Branch: MAIN
CVS Tags: rad3R6, rad3R6P1
Changes since 2.7: +23 -24 lines
Log Message:
Continued ANSIfication. There are only bits and pieces left now.

File Contents

# User Rev Content
1 greg 2.1 #ifndef lint
2 schorsch 2.8 static const char RCSid[] = "$Id: rpmain.c,v 2.7 2003/07/21 22:30:19 schorsch Exp $";
3 greg 2.1 #endif
4     /*
5     * rpmain.c - main for rpict batch rendering program
6     */
7    
8 greg 2.2 #include "copyright.h"
9 greg 2.1
10 schorsch 2.3 #include <sys/types.h>
11     #include <signal.h>
12    
13     #include "platform.h"
14 schorsch 2.6 #include "rtprocess.h" /* getpid() */
15 greg 2.1 #include "ray.h"
16     #include "source.h"
17     #include "ambient.h"
18     #include "random.h"
19     #include "paths.h"
20     #include "view.h"
21    
22     /* persistent processes define */
23     #ifdef F_SETLKW
24     #define PERSIST 1 /* normal persist */
25     #define PARALLEL 2 /* parallel persist */
26     #define PCHILD 3 /* child of normal persist */
27     #endif
28    
29     char *progname; /* argv[0] */
30     char *octname; /* octree name */
31     char *sigerr[NSIG]; /* signal error messages */
32     char *shm_boundary = NULL; /* boundary of shared memory */
33     char *errfile = NULL; /* error output file */
34    
35     extern time_t time();
36     extern time_t tstart; /* start time */
37    
38     extern int ralrm; /* seconds between reports */
39    
40     extern VIEW ourview; /* viewing parameters */
41    
42     extern int hresolu; /* horizontal resolution */
43     extern int vresolu; /* vertical resolution */
44     extern double pixaspect; /* pixel aspect ratio */
45    
46     extern int psample; /* pixel sample size */
47     extern double maxdiff; /* max. sample difference */
48     extern double dstrpix; /* square pixel distribution */
49    
50     extern double mblur; /* motion blur parameter */
51    
52 schorsch 2.8 static void onsig(int signo);
53     static void sigdie(int signo, char *msg);
54     static void printdefaults(void);
55 greg 2.1
56    
57     int
58 schorsch 2.8 main(int argc, char *argv[])
59 greg 2.1 {
60     #define check(ol,al) if (argv[i][ol] || \
61     badarg(argc-i-1,argv+i+1,al)) \
62     goto badopt
63     #define bool(olen,var) switch (argv[i][olen]) { \
64     case '\0': var = !var; break; \
65     case 'y': case 'Y': case 't': case 'T': \
66     case '+': case '1': var = 1; break; \
67     case 'n': case 'N': case 'f': case 'F': \
68     case '-': case '0': var = 0; break; \
69     default: goto badopt; }
70     char *err;
71     char *recover = NULL;
72     char *outfile = NULL;
73     char *zfile = NULL;
74     int loadflags = ~IO_FILES;
75     int seqstart = 0;
76     int persist = 0;
77     int duped1;
78     int rval;
79     int i;
80     /* record start time */
81     tstart = time((time_t *)NULL);
82     /* global program name */
83     progname = argv[0] = fixargv0(argv[0]);
84     /* option city */
85     for (i = 1; i < argc; i++) {
86     /* expand arguments */
87     while ((rval = expandarg(&argc, &argv, i)) > 0)
88     ;
89     if (rval < 0) {
90     sprintf(errmsg, "cannot expand '%s'", argv[i]);
91     error(SYSTEM, errmsg);
92     }
93     if (argv[i] == NULL || argv[i][0] != '-')
94     break; /* break from options */
95     if (!strcmp(argv[i], "-version")) {
96     puts(VersionID);
97     quit(0);
98     }
99     if (!strcmp(argv[i], "-defaults") ||
100     !strcmp(argv[i], "-help")) {
101     printdefaults();
102     quit(0);
103     }
104     rval = getrenderopt(argc-i, argv+i);
105     if (rval >= 0) {
106     i += rval;
107     continue;
108     }
109     rval = getviewopt(&ourview, argc-i, argv+i);
110     if (rval >= 0) {
111     i += rval;
112     continue;
113     }
114     /* rpict options */
115     switch (argv[i][1]) {
116     case 'v': /* view file */
117     if (argv[i][2] != 'f')
118     goto badopt;
119     check(3,"s");
120     rval = viewfile(argv[++i], &ourview, NULL);
121     if (rval < 0) {
122     sprintf(errmsg,
123     "cannot open view file \"%s\"",
124     argv[i]);
125     error(SYSTEM, errmsg);
126     } else if (rval == 0) {
127     sprintf(errmsg,
128     "bad view file \"%s\"",
129     argv[i]);
130     error(USER, errmsg);
131     }
132     break;
133     case 'p': /* pixel */
134     switch (argv[i][2]) {
135     case 's': /* sample */
136     check(3,"i");
137     psample = atoi(argv[++i]);
138     break;
139     case 't': /* threshold */
140     check(3,"f");
141     maxdiff = atof(argv[++i]);
142     break;
143     case 'j': /* jitter */
144     check(3,"f");
145     dstrpix = atof(argv[++i]);
146     break;
147     case 'a': /* aspect */
148     check(3,"f");
149     pixaspect = atof(argv[++i]);
150     break;
151     case 'm': /* motion */
152     check(3,"f");
153     mblur = atof(argv[++i]);
154     break;
155     default:
156     goto badopt;
157     }
158     break;
159     case 'x': /* x resolution */
160     check(2,"i");
161     hresolu = atoi(argv[++i]);
162     break;
163     case 'y': /* y resolution */
164     check(2,"i");
165     vresolu = atoi(argv[++i]);
166     break;
167     case 'S': /* slave index */
168     check(2,"i");
169     seqstart = atoi(argv[++i]);
170     break;
171     case 'o': /* output file */
172     check(2,"s");
173     outfile = argv[++i];
174     break;
175     case 'z': /* z file */
176     check(2,"s");
177     zfile = argv[++i];
178     break;
179     case 'r': /* recover file */
180     if (argv[i][2] == 'o') { /* +output */
181     check(3,"s");
182     outfile = argv[i+1];
183     } else
184     check(2,"s");
185     recover = argv[++i];
186     break;
187     case 't': /* timer */
188     check(2,"i");
189     ralrm = atoi(argv[++i]);
190     break;
191     #ifdef PERSIST
192     case 'P': /* persist file */
193     if (argv[i][2] == 'P') {
194     check(3,"s");
195     persist = PARALLEL;
196     } else {
197     check(2,"s");
198     persist = PERSIST;
199     }
200     persistfile(argv[++i]);
201     break;
202     #endif
203     case 'w': /* warnings */
204     rval = erract[WARNING].pf != NULL;
205     bool(2,rval);
206     if (rval) erract[WARNING].pf = wputs;
207     else erract[WARNING].pf = NULL;
208     break;
209     case 'e': /* error file */
210     check(2,"s");
211     errfile = argv[++i];
212     break;
213     default:
214     goto badopt;
215     }
216     }
217     err = setview(&ourview); /* set viewing parameters */
218     if (err != NULL)
219     error(USER, err);
220     /* initialize object types */
221     initotypes();
222     /* initialize urand */
223     initurand(2048);
224     /* set up signal handling */
225     sigdie(SIGINT, "Interrupt");
226 schorsch 2.4 #ifdef SIGHUP
227 greg 2.1 sigdie(SIGHUP, "Hangup");
228 schorsch 2.4 #endif
229 greg 2.1 sigdie(SIGTERM, "Terminate");
230 schorsch 2.4 #ifdef SIGPIPE
231 greg 2.1 sigdie(SIGPIPE, "Broken pipe");
232 schorsch 2.4 #endif
233     #ifdef SIGALRM
234 greg 2.1 sigdie(SIGALRM, "Alarm clock");
235 schorsch 2.4 #endif
236 greg 2.1 #ifdef SIGXCPU
237     sigdie(SIGXCPU, "CPU limit exceeded");
238     sigdie(SIGXFSZ, "File size exceeded");
239     #endif
240     /* open error file */
241     if (errfile != NULL) {
242     if (freopen(errfile, "a", stderr) == NULL)
243     quit(2);
244     fprintf(stderr, "**************\n*** PID %5d: ",
245     getpid());
246     printargs(argc, argv, stderr);
247     putc('\n', stderr);
248     fflush(stderr);
249     }
250     #ifdef NICE
251     nice(NICE); /* lower priority */
252     #endif
253     /* get octree */
254     if (i == argc)
255     octname = NULL;
256     else if (i == argc-1)
257     octname = argv[i];
258     else
259     goto badopt;
260     if (seqstart > 0 && octname == NULL)
261     error(USER, "missing octree argument");
262     /* set up output */
263     #ifdef PERSIST
264     if (persist) {
265     if (recover != NULL)
266     error(USER, "persist option used with recover file");
267     if (seqstart <= 0)
268     error(USER, "persist option only for sequences");
269     if (outfile == NULL)
270     duped1 = dup(fileno(stdout)); /* don't lose our output */
271     openheader();
272     } else
273     #endif
274     if (outfile != NULL)
275     openheader();
276 schorsch 2.3 #ifdef _WIN32
277     SET_FILE_BINARY(stdout);
278 greg 2.1 if (octname == NULL)
279 schorsch 2.3 SET_FILE_BINARY(stdin);
280 greg 2.1 #endif
281     readoct(octname, loadflags, &thescene, NULL);
282     nsceneobjs = nobjects;
283    
284     if (loadflags & IO_INFO) { /* print header */
285     printargs(i, argv, stdout);
286     printf("SOFTWARE= %s\n", VersionID);
287     }
288    
289     marksources(); /* find and mark sources */
290    
291     setambient(); /* initialize ambient calculation */
292    
293     #ifdef PERSIST
294     if (persist) {
295     fflush(stdout);
296     if (outfile == NULL) { /* reconnect stdout */
297     dup2(duped1, fileno(stdout));
298     close(duped1);
299     }
300     if (persist == PARALLEL) { /* multiprocessing */
301     preload_objs(); /* preload scene */
302     shm_boundary = (char *)malloc(16);
303     strcpy(shm_boundary, "SHM_BOUNDARY");
304     while ((rval=fork()) == 0) { /* keep on forkin' */
305     pflock(1);
306     pfhold();
307     tstart = time((time_t *)NULL);
308     }
309     if (rval < 0)
310     error(SYSTEM, "cannot fork child for persist function");
311     pfdetach(); /* parent exits */
312     }
313     }
314     runagain:
315 schorsch 2.7 if (persist) {
316 greg 2.1 if (outfile == NULL) /* if out to stdout */
317     dupheader(); /* send header */
318     else /* if out to file */
319     duped1 = dup(fileno(stdout)); /* hang onto pipe */
320 schorsch 2.7 }
321 greg 2.1 #endif
322     /* batch render picture(s) */
323     rpict(seqstart, outfile, zfile, recover);
324     /* flush ambient file */
325     ambsync();
326     #ifdef PERSIST
327     if (persist == PERSIST) { /* first run-through */
328     if ((rval=fork()) == 0) { /* child loops until killed */
329     pflock(1);
330     persist = PCHILD;
331     } else { /* original process exits */
332     if (rval < 0)
333     error(SYSTEM, "cannot fork child for persist function");
334     pfdetach(); /* parent exits */
335     }
336     }
337     if (persist == PCHILD) { /* wait for a signal then go again */
338     if (outfile != NULL)
339     close(duped1); /* release output handle */
340     pfhold();
341     tstart = time((time_t *)NULL); /* reinitialize */
342     raynum = nrays = 0;
343     goto runagain;
344     }
345     #endif
346     quit(0);
347    
348     badopt:
349     sprintf(errmsg, "command line error at '%s'", argv[i]);
350     error(USER, errmsg);
351 schorsch 2.8 return 1; /* pro forma return */
352 greg 2.1
353     #undef check
354     #undef bool
355     }
356    
357    
358     void
359 schorsch 2.8 wputs( /* warning output function */
360     char *s
361     )
362 greg 2.1 {
363     int lasterrno = errno;
364     eputs(s);
365     errno = lasterrno;
366     }
367    
368    
369     void
370 schorsch 2.8 eputs( /* put string to stderr */
371     register char *s
372     )
373 greg 2.1 {
374     static int midline = 0;
375    
376     if (!*s)
377     return;
378     if (!midline++) {
379     fputs(progname, stderr);
380     fputs(": ", stderr);
381     }
382     fputs(s, stderr);
383     if (s[strlen(s)-1] == '\n') {
384     fflush(stderr);
385     midline = 0;
386     }
387     }
388    
389    
390 schorsch 2.8 static void
391     onsig( /* fatal signal */
392     int signo
393     )
394 greg 2.1 {
395     static int gotsig = 0;
396    
397     if (gotsig++) /* two signals and we're gone! */
398     _exit(signo);
399    
400 schorsch 2.4 #ifdef SIGALRM /* XXX how critical is this? */
401 greg 2.1 alarm(15); /* allow 15 seconds to clean up */
402     signal(SIGALRM, SIG_DFL); /* make certain we do die */
403 schorsch 2.4 #endif
404 greg 2.1 eputs("signal - ");
405     eputs(sigerr[signo]);
406     eputs("\n");
407     quit(3);
408     }
409    
410    
411 schorsch 2.8 static void
412     sigdie( /* set fatal signal */
413     int signo,
414     char *msg
415     )
416 greg 2.1 {
417     if (signal(signo, onsig) == SIG_IGN)
418     signal(signo, SIG_IGN);
419     sigerr[signo] = msg;
420     }
421    
422    
423 schorsch 2.8 static void
424     printdefaults(void) /* print default values to stdout */
425 greg 2.1 {
426     printf("-vt%c\t\t\t\t# view type %s\n", ourview.type,
427     ourview.type==VT_PER ? "perspective" :
428     ourview.type==VT_PAR ? "parallel" :
429     ourview.type==VT_HEM ? "hemispherical" :
430     ourview.type==VT_ANG ? "angular" :
431     ourview.type==VT_CYL ? "cylindrical" :
432     "unknown");
433     printf("-vp %f %f %f\t# view point\n",
434     ourview.vp[0], ourview.vp[1], ourview.vp[2]);
435     printf("-vd %f %f %f\t# view direction\n",
436     ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]);
437     printf("-vu %f %f %f\t# view up\n",
438     ourview.vup[0], ourview.vup[1], ourview.vup[2]);
439     printf("-vh %f\t\t\t# view horizontal size\n", ourview.horiz);
440     printf("-vv %f\t\t\t# view vertical size\n", ourview.vert);
441     printf("-vo %f\t\t\t# view fore clipping plane\n", ourview.vfore);
442     printf("-va %f\t\t\t# view aft clipping plane\n", ourview.vaft);
443     printf("-vs %f\t\t\t# view shift\n", ourview.hoff);
444     printf("-vl %f\t\t\t# view lift\n", ourview.voff);
445     printf("-x %-9d\t\t\t# x resolution\n", hresolu);
446     printf("-y %-9d\t\t\t# y resolution\n", vresolu);
447     printf("-pa %f\t\t\t# pixel aspect ratio\n", pixaspect);
448     printf("-pj %f\t\t\t# pixel jitter\n", dstrpix);
449     printf("-pm %f\t\t\t# pixel motion\n", mblur);
450     printf("-ps %-9d\t\t\t# pixel sample\n", psample);
451     printf("-pt %f\t\t\t# pixel threshold\n", maxdiff);
452     printf("-t %-9d\t\t\t# time between reports\n", ralrm);
453     printf(erract[WARNING].pf != NULL ?
454     "-w+\t\t\t\t# warning messages on\n" :
455     "-w-\t\t\t\t# warning messages off\n");
456     print_rdefaults();
457     }