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root/radiance/ray/src/rt/rxcmain.cpp
Revision: 2.3
Committed: Wed Oct 30 02:22:23 2024 UTC (6 months, 4 weeks ago) by greg
Branch: MAIN
Changes since 2.2: +4 -1 lines
Log Message:
fix(rcontrib,rxcontrib): Eliminated spurious warning messages

File Contents

# User Rev Content
1 greg 2.1 #ifndef lint
2 greg 2.3 static const char RCSid[] = "$Id: rxcmain.cpp,v 2.2 2024/10/29 19:47:19 greg Exp $";
3 greg 2.1 #endif
4     /*
5     * rxcmain.c - main for rxcontrib ray contribution tracer
6     */
7    
8     #include "copyright.h"
9    
10     #include <signal.h>
11     #include <time.h>
12     #include <ctype.h>
13     #include "RcontribSimulManager.h"
14     #include "platform.h"
15     #include "func.h"
16    
17     const char *sigerr[NSIG]; /* signal error messages */
18    
19     int nproc = 1; /* number of processes requested */
20    
21     int inpfmt = 'a'; /* input format */
22     int outfmt = 'f'; /* output format */
23    
24     int report_intvl = 0; /* reporting interval (seconds) */
25    
26     extern char * progname; // global argv[0]
27    
28     RcontribSimulManager myRCmanager; // global rcontrib simulation manager
29    
30     #define RCONTRIB_FEATURES "Multiprocessing\n" \
31     "Accumulation\nRecovery\n" \
32     "ImmediateIrradiance\n" \
33 greg 2.2 "ProgressReporting\nDistanceLimiting\n" \
34 greg 2.1 "InputFormats=a,f,d\nOutputFormats=f,d,c\n" \
35     "Outputs=V,W\n" \
36     "OutputCS=RGB,spec\n"
37    
38     static void rxcontrib(const int rstart = 0);
39    
40     static void
41     printdefaults(void) /* print default values to stdout */
42     {
43     printf("-c %-5d\t\t\t# accumulated rays per record\n", myRCmanager.accum);
44     printf("-V%c\t\t\t\t# output %s\n", contrib ? '+' : '-',
45     contrib ? "contributions" : "coefficients");
46 greg 2.2 if (myRCmanager.HasFlag(RTimmIrrad))
47 greg 2.1 printf("-I+\t\t\t\t# immediate irradiance on\n");
48     printf("-n %-2d\t\t\t\t# number of rendering processes\n", nproc);
49     if (xres > 0)
50     printf("-x %-9d\t\t\t# x resolution\n", xres);
51     printf("-y %-9d\t\t\t# y resolution\n", yres);
52 greg 2.2 printf(myRCmanager.HasFlag(RTlimDist) ?
53     "-ld+\t\t\t\t# limit distance on\n" :
54 greg 2.1 "-ld-\t\t\t\t# limit distance off\n");
55     printf("-f%c%c\t\t\t\t# format input/output = %s/%s\n",
56     inpfmt, outfmt, formstr(inpfmt), formstr(outfmt));
57     if (report_intvl > 0)
58     printf("-t %-9d\t\t\t# time between reports\n", report_intvl);
59     printf(erract[WARNING].pf != NULL ?
60     "-w+\t\t\t\t# warning messages on\n" :
61     "-w-\t\t\t\t# warning messages off\n");
62     print_rdefaults();
63     }
64    
65    
66     static void
67     onsig( /* fatal signal */
68     int signo
69     )
70     {
71     static int gotsig = 0;
72    
73     if (gotsig++) /* two signals and we're gone! */
74     _exit(signo);
75    
76     #ifdef SIGALRM
77     alarm(15); /* allow 15 seconds to clean up */
78     signal(SIGALRM, SIG_DFL); /* make certain we do die */
79     #endif
80     eputs("signal - ");
81     eputs(sigerr[signo]);
82     eputs("\n");
83     quit(3);
84     }
85    
86    
87     static void
88     sigdie( /* set fatal signal */
89     int signo,
90     const char *msg
91     )
92     {
93     if (signal(signo, onsig) == SIG_IGN)
94     signal(signo, SIG_IGN);
95     sigerr[signo] = msg;
96     }
97    
98     const char *
99     formstr(int f) // return format identifier
100     {
101     switch (f) {
102     case 'a': return("ascii");
103     case 'f': return("float");
104     case 'd': return("double");
105     case 'c': return(NCSAMP==3 ? COLRFMT : SPECFMT);
106     }
107     return("unknown");
108     }
109    
110     /* set input/output format */
111     static void
112     setformat(const char *fmt)
113     {
114     switch (fmt[0]) {
115     case 'f':
116     case 'd':
117     SET_FILE_BINARY(stdin);
118     /* fall through */
119     case 'a':
120     inpfmt = fmt[0];
121     break;
122     default:
123     goto fmterr;
124     }
125     switch (fmt[1]) {
126     case '\0':
127     if (inpfmt == 'a')
128     goto fmterr;
129     outfmt = inpfmt;
130     return;
131     case 'f':
132     case 'd':
133     case 'c':
134     outfmt = fmt[1];
135     break;
136     default:
137     goto fmterr;
138     }
139     if (!fmt[2])
140     return;
141     fmterr:
142     sprintf(errmsg, "Unsupported i/o format: -f%s", fmt);
143     error(USER, errmsg);
144     }
145    
146    
147     /* Set overriding options */
148     static void
149     override_options(void)
150     {
151     shadthresh = 0;
152     ambssamp = 0;
153     ambacc = 0;
154     }
155    
156    
157     int
158     main(int argc, char *argv[])
159     {
160     #define check(ol,al) if (argv[i][ol] || \
161     badarg(argc-i-1,argv+i+1,al)) \
162     goto badopt
163     #define check_bool(olen,var) switch (argv[i][olen]) { \
164     case '\0': var = !var; break; \
165     case 'y': case 'Y': case 't': case 'T': \
166     case '+': case '1': var = 1; break; \
167     case 'n': case 'N': case 'f': case 'F': \
168     case '-': case '0': var = 0; break; \
169     default: goto badopt; }
170     int force_open = 0;
171     int recover = 0;
172     char *curout = NULL;
173     char *prms = NULL;
174     char *binval = NULL;
175     int bincnt = 0;
176     int rval;
177     int i;
178     /* global program name */
179     progname = argv[0];
180     /* feature check only? */
181     strcat(RFeatureList, RCONTRIB_FEATURES);
182     if (argc > 1 && !strcmp(argv[1], "-features"))
183     return feature_status(argc-2, argv+2);
184     /* initialize calcomp routines early */
185     initfunc();
186     calcontext(RCCONTEXT);
187 greg 2.3 esupport &= ~E_REDEFW; /* temporary */
188 greg 2.1 /* option city */
189     for (i = 1; i < argc; i++) {
190     /* expand arguments */
191     while ((rval = expandarg(&argc, &argv, i)) > 0)
192     ;
193     if (rval < 0) {
194     sprintf(errmsg, "cannot expand '%s'", argv[i]);
195     error(SYSTEM, errmsg);
196     }
197     if (argv[i] == NULL || argv[i][0] != '-')
198     break; /* break from options */
199     if (!strcmp(argv[i], "-version")) {
200     puts(VersionID);
201     quit(0);
202     }
203     if (!strcmp(argv[i], "-defaults") ||
204     !strcmp(argv[i], "-help")) {
205     override_options();
206     printdefaults();
207     quit(0);
208     }
209     rval = getrenderopt(argc-i, argv+i);
210     if (rval >= 0) {
211     i += rval;
212     continue;
213     }
214     switch (argv[i][1]) {
215 greg 2.2 case 'n': /* number of processes */
216 greg 2.1 check(2,"i");
217     nproc = atoi(argv[++i]);
218     if (nproc < 0 && (nproc += RadSimulManager::GetNCores()) <= 0)
219     nproc = 1;
220     break;
221 greg 2.2 case 'V': /* output contributions? */
222 greg 2.1 check_bool(2,contrib);
223     break;
224     case 'x': /* x resolution */
225     check(2,"i");
226     xres = atoi(argv[++i]);
227     break;
228     case 'y': /* y resolution */
229     check(2,"i");
230     yres = atoi(argv[++i]);
231     break;
232 greg 2.2 case 'w': /* warnings on/off */
233 greg 2.1 rval = (erract[WARNING].pf != NULL);
234     check_bool(2,rval);
235     if (rval) erract[WARNING].pf = wputs;
236     else erract[WARNING].pf = NULL;
237     break;
238 greg 2.2 case 'e': /* .cal expression */
239 greg 2.1 check(2,"s");
240     scompile(argv[++i], NULL, 0);
241     break;
242     case 'l': /* limit distance */
243     if (argv[i][2] != 'd')
244     goto badopt;
245 greg 2.2 rval = myRCmanager.HasFlag(RTlimDist);
246     check_bool(3,rval);
247     myRCmanager.SetFlag(RTlimDist, rval);
248 greg 2.1 break;
249     case 'I': /* immed. irradiance */
250 greg 2.2 rval = myRCmanager.HasFlag(RTimmIrrad);
251     check_bool(2,rval);
252     myRCmanager.SetFlag(RTimmIrrad, rval);
253 greg 2.1 break;
254 greg 2.2 case 'f': /* .cal file or force or format */
255 greg 2.1 if (!argv[i][2]) {
256     check(2,"s");
257     loadfunc(argv[++i]);
258     break;
259     }
260     if (argv[i][2] == 'o') {
261     check_bool(3,force_open);
262     break;
263     }
264     setformat(argv[i]+2);
265     myRCmanager.SetDataFormat(outfmt);
266     break;
267 greg 2.2 case 'o': /* output file */
268 greg 2.1 check(2,"s");
269     curout = argv[++i];
270     break;
271     case 'r': /* recover output */
272     check_bool(2,recover);
273     break;
274     case 'p': /* parameter setting(s) */
275     check(2,"s");
276     set_eparams(prms = argv[++i]);
277     break;
278     case 'c': /* sample count */
279     check(2,"i");
280     myRCmanager.accum = atoi(argv[++i]);
281     break;
282     case 'b': /* bin expression/count */
283     if (argv[i][2] == 'n') {
284     check(3,"s");
285     bincnt = (int)(eval(argv[++i]) + .5);
286     break;
287     }
288     check(2,"s");
289     binval = argv[++i];
290     break;
291     case 'm': /* modifier name */
292     check(2,"s");
293     myRCmanager.AddModifier(argv[++i], curout, prms, binval, bincnt);
294     break;
295 greg 2.2 case 'M': /* file of modifier names */
296 greg 2.1 check(2,"s");
297     myRCmanager.AddModFile(argv[++i], curout, prms, binval, bincnt);
298     break;
299     case 't': /* reporting interval */
300     check(2,"i");
301     report_intvl = atoi(argv[++i]);
302     break;
303     default:
304     goto badopt;
305     }
306     }
307     if (i != argc-1)
308     error(USER, "expected single octree argument");
309 greg 2.2
310 greg 2.3 esupport |= E_REDEFW;
311 greg 2.2 override_options(); /* override some option settings */
312    
313     if (!myRCmanager.GetOutput()) // check that we have work to do
314     error(USER, "missing required modifier argument");
315 greg 2.1 // get ready to rock...
316     if (setspectrsamp(CNDX, WLPART) < 0)
317     error(USER, "unsupported spectral sampling");
318     /* set up signal handling */
319     sigdie(SIGINT, "Interrupt");
320     #ifdef SIGHUP
321     sigdie(SIGHUP, "Hangup");
322     #endif
323     sigdie(SIGTERM, "Terminate");
324     #ifdef SIGPIPE
325     sigdie(SIGPIPE, "Broken pipe");
326     #endif
327     #ifdef SIGALRM
328     sigdie(SIGALRM, "Alarm clock");
329     #endif
330     #ifdef SIGXCPU
331     sigdie(SIGXCPU, "CPU limit exceeded");
332     sigdie(SIGXFSZ, "File size exceeded");
333     #endif
334     #ifdef NICE
335     nice(NICE); /* lower priority */
336     #endif
337     // load octree
338     myRCmanager.LoadOctree(argv[argc-1]);
339     // add to header
340     myRCmanager.AddHeader(argc-1, argv);
341     // prepare output files
342     if (recover)
343     myRCmanager.outOp = RCOrecover;
344     else if (force_open)
345     myRCmanager.outOp = RCOforce;
346     else
347     myRCmanager.outOp = RCOnew;
348     // rval = # rows recovered
349     rval = myRCmanager.PrepOutput();
350 greg 2.2 // check if recovered everything
351 greg 2.1 if (recover && rval >= myRCmanager.GetRowMax()) {
352     error(WARNING, "nothing left to compute");
353     quit(0);
354     } // add processes as requested
355     myRCmanager.SetThreadCount(nproc);
356    
357     rxcontrib(rval); /* trace ray contributions (loop) */
358    
359     quit(0); /* exit clean */
360    
361     badopt:
362     fprintf(stderr,
363     "Usage: %s [-V][-c count][-r][-e expr][-f source][-o ospec][-p p1=V1,p2=V2][-b binv][-bn N] {-m mod | -M file} [rtrace options] octree\n",
364     progname);
365     sprintf(errmsg, "command line error at '%s'", argv[i]);
366     error(USER, errmsg);
367     return(1); /* pro forma return */
368    
369     #undef check
370     #undef check_bool
371     }
372    
373    
374     // skip specified number of bytes, return false if EOF
375     static bool
376     skipBytes(int n2skip)
377     {
378     while (n2skip-- > 0)
379     if (getchar() == EOF)
380     return false;
381     return true;
382     }
383    
384    
385     // skip specified number of whitespace-separated words, return false if EOF
386     static bool
387     skipWords(int n2skip)
388     {
389     int c;
390    
391     while (n2skip-- > 0) {
392     do {
393     c = getchar();
394     } while (isspace(c));
395     do {
396     if (c == EOF) return false;
397     c = getchar();
398     } while (!isspace(c));
399     }
400     return true;
401     }
402    
403    
404     // read a bundle of myRCmanager.accum ray origins and directions
405     static bool
406     getRayBundle(FVECT *orig_dir = NULL)
407     {
408     int n2go = myRCmanager.accum;
409    
410     switch (inpfmt) {
411     case 'a': // ASCII input
412     if (!orig_dir)
413     return skipWords(6*n2go);
414     while (n2go-- > 0) {
415     if (scanf(FVFORMAT, &orig_dir[0][0],
416     &orig_dir[0][1], &orig_dir[0][2]) != 3)
417     return false;
418     if (scanf(FVFORMAT, &orig_dir[1][0],
419     &orig_dir[1][1], &orig_dir[1][2]) != 3)
420     return false;
421     orig_dir += 2;
422     }
423     break;
424     case 'f': // float input
425     if (!orig_dir)
426     return skipBytes(6*sizeof(float)*n2go);
427     #ifdef SMLFLT
428     if (getbinary(orig_dir, sizeof(FVECT), 2*n2go, stdin) != 2*n2go)
429     return false;
430     #else
431     while (n2go-- > 0) {
432     float fvecs[6];
433     if (getbinary(fvecs, sizeof(fvecs), 1, stdin) != 1)
434     return false;
435     for (int i = 6; i--; )
436     orig_dir[0][i] = fvecs[i];
437     orig_dir += 2;
438     }
439     #endif
440     break;
441     case 'd': // double input
442     if (!orig_dir)
443     return skipBytes(6*sizeof(double)*n2go);
444     #ifndef SMLFLT
445     if (getbinary(orig_dir, sizeof(FVECT), 2*n2go, stdin) != 2*n2go)
446     return false;
447     #else
448     while (n2go-- > 0) {
449     double dvecs[6];
450     if (getbinary(dvecs, sizeof(dvecs), 1, stdin) != 1)
451     return false;
452     for (int i = 6; i--; )
453     orig_dir[0][i] = dvecs[i];
454     orig_dir += 2;
455     }
456     #endif
457     break;
458     default:
459     error(INTERNAL, "unsupported format in getRayBundle()");
460     return false;
461     }
462     int warned = 0; // normalize directions
463     n2go = myRCmanager.accum;
464     while (n2go-- > 0) {
465     orig_dir -= 2;
466     if (normalize(orig_dir[1]) == 0)
467     if (!warned++)
468     error(WARNING, "zero ray direction on input");
469     }
470     return true;
471     }
472    
473    
474     // Run loop to load data, report progress, etc.
475     void
476     rxcontrib(const int rstart)
477     {
478     const int totRows = myRCmanager.GetRowMax();
479     FVECT * odarr = (FVECT *)emalloc(sizeof(FVECT)*2*myRCmanager.accum);
480     time_t tstart, last_report;
481     int r = 0;
482    
483     while (r < rstart) { // skip input rays already done
484     if (!getRayBundle())
485     goto readerr;
486     r++;
487     }
488     if (report_intvl > 0) { // set up reporting
489     if (r > 0) {
490     sprintf(errmsg, "recovered %.2f%% of total\n",
491     100.*r/totRows);
492     eputs(errmsg);
493     }
494     last_report = tstart = time(0);
495     }
496     while (r < totRows) { // getting to work...
497     time_t tnow;
498     if (!getRayBundle(odarr))
499     goto readerr;
500     if (myRCmanager.ComputeRecord(odarr) < 0)
501     return; // error reported, hopefully...
502     r++;
503     if (report_intvl <= 0)
504     continue;
505     if ((r < totRows) & ((tnow = time(0)) < last_report+report_intvl))
506     continue;
507     sprintf(errmsg, "%.2f%% done after %.3f hours\n",
508     100.*r/totRows, (1./3600.)*(tnow - tstart));
509     eputs(errmsg);
510     last_report = tnow;
511     }
512     efree(odarr);
513     return;
514     readerr:
515     sprintf(errmsg, "unexpected EOF on standard input (record %d of %d)",
516     r, totRows);
517     error(USER, errmsg);
518     }
519    
520    
521     void
522     wputs( /* warning output function */
523     const char *s
524     )
525     {
526 greg 2.3 if (!erract[WARNING].pf) return;
527 greg 2.1 int lasterrno = errno;
528     eputs(s);
529     errno = lasterrno;
530     }
531    
532    
533     void
534     eputs( /* put string to stderr */
535     const char *s
536     )
537     {
538     static int midline = 0;
539    
540     if (!*s)
541     return;
542     if (!midline++) {
543     fputs(progname, stderr);
544     fputs(": ", stderr);
545     }
546     fputs(s, stderr);
547     if (s[strlen(s)-1] == '\n') {
548     fflush(stderr);
549     midline = 0;
550     }
551     }
552    
553    
554 greg 2.2 /* Exit program */
555 greg 2.1 void
556     quit(
557     int code
558     )
559     {
560     if (!code && myRCmanager.Ready()) // clean up on normal exit
561     code = myRCmanager.Cleanup();
562    
563     exit(code);
564     }