1 |
#ifndef lint |
2 |
static const char RCSid[] = "$Id: rxcmain.cpp,v 2.12 2024/12/23 18:14:20 greg Exp $"; |
3 |
#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 |
"ProgressReporting\nDistanceLimiting\n" \ |
34 |
"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(myRCmanager.HasFlag(RCcontrib) ? |
45 |
"-V+\t\t\t\t# output contributions\n" : |
46 |
"-V-\t\t\t\t# output coefficients\n"); |
47 |
if (myRCmanager.HasFlag(RTimmIrrad)) |
48 |
printf("-I+\t\t\t\t# immediate irradiance on\n"); |
49 |
printf("-n %-2d\t\t\t\t# number of rendering processes\n", nproc); |
50 |
if (myRCmanager.xres > 0) |
51 |
printf("-x %-9d\t\t\t# x resolution\n", myRCmanager.xres); |
52 |
printf("-y %-9d\t\t\t# y resolution\n", myRCmanager.yres); |
53 |
printf(myRCmanager.HasFlag(RTlimDist) ? |
54 |
"-ld+\t\t\t\t# limit distance on\n" : |
55 |
"-ld-\t\t\t\t# limit distance off\n"); |
56 |
printf("-f%c%c\t\t\t\t# format input/output = %s/%s\n", |
57 |
inpfmt, outfmt, formstr(inpfmt), formstr(outfmt)); |
58 |
if (report_intvl > 0) |
59 |
printf("-t %-9d\t\t\t# time between reports\n", report_intvl); |
60 |
printf(erract[WARNING].pf != NULL ? |
61 |
"-w+\t\t\t\t# warning messages on\n" : |
62 |
"-w-\t\t\t\t# warning messages off\n"); |
63 |
print_rdefaults(); |
64 |
} |
65 |
|
66 |
|
67 |
static void |
68 |
onsig( /* fatal signal */ |
69 |
int signo |
70 |
) |
71 |
{ |
72 |
static int gotsig = 0; |
73 |
|
74 |
if (gotsig++) /* two signals and we're gone! */ |
75 |
_exit(signo); |
76 |
|
77 |
#ifdef SIGALRM |
78 |
alarm(180); /* allow 3 minutes to clean up */ |
79 |
signal(SIGALRM, SIG_DFL); /* make certain we do die */ |
80 |
#endif |
81 |
eputs("signal - "); |
82 |
eputs(sigerr[signo]); |
83 |
eputs("\n"); |
84 |
quit(3); |
85 |
} |
86 |
|
87 |
|
88 |
static void |
89 |
sigdie( /* set fatal signal */ |
90 |
int signo, |
91 |
const char *msg |
92 |
) |
93 |
{ |
94 |
if (signal(signo, onsig) == SIG_IGN) |
95 |
signal(signo, SIG_IGN); |
96 |
sigerr[signo] = msg; |
97 |
} |
98 |
|
99 |
/* set input/output format */ |
100 |
static void |
101 |
setformat(const char *fmt) |
102 |
{ |
103 |
switch (fmt[0]) { |
104 |
case 'f': |
105 |
case 'd': |
106 |
SET_FILE_BINARY(stdin); |
107 |
/* fall through */ |
108 |
case 'a': |
109 |
inpfmt = fmt[0]; |
110 |
break; |
111 |
default: |
112 |
goto fmterr; |
113 |
} |
114 |
switch (fmt[1]) { |
115 |
case '\0': |
116 |
if (inpfmt == 'a') |
117 |
goto fmterr; |
118 |
outfmt = inpfmt; |
119 |
return; |
120 |
case 'f': |
121 |
case 'd': |
122 |
case 'c': |
123 |
outfmt = fmt[1]; |
124 |
break; |
125 |
default: |
126 |
goto fmterr; |
127 |
} |
128 |
if (!fmt[2]) |
129 |
return; |
130 |
fmterr: |
131 |
sprintf(errmsg, "Unsupported i/o format: -f%s", fmt); |
132 |
error(USER, errmsg); |
133 |
} |
134 |
|
135 |
/* Set default options */ |
136 |
static void |
137 |
default_options(void) |
138 |
{ |
139 |
rand_samp = 1; |
140 |
dstrsrc = 0.9; |
141 |
directrelay = 3; |
142 |
vspretest = 512; |
143 |
srcsizerat = .2; |
144 |
specthresh = .02; |
145 |
specjitter = 1.; |
146 |
maxdepth = -10; |
147 |
minweight = 2e-3; |
148 |
ambres = 256; |
149 |
ambdiv = 350; |
150 |
ambounce = 1; |
151 |
} |
152 |
|
153 |
/* Set overriding options */ |
154 |
static void |
155 |
override_options(void) |
156 |
{ |
157 |
shadthresh = 0; |
158 |
ambssamp = 0; |
159 |
ambacc = 0; |
160 |
} |
161 |
|
162 |
int |
163 |
main(int argc, char *argv[]) |
164 |
{ |
165 |
#define check(ol,al) if (argv[i][ol] || \ |
166 |
badarg(argc-i-1,argv+i+1,al)) \ |
167 |
goto badopt |
168 |
#define check_bool(olen,var) switch (argv[i][olen]) { \ |
169 |
case '\0': var = !var; break; \ |
170 |
case 'y': case 'Y': case 't': case 'T': \ |
171 |
case '+': case '1': var = 1; break; \ |
172 |
case 'n': case 'N': case 'f': case 'F': \ |
173 |
case '-': case '0': var = 0; break; \ |
174 |
default: goto badopt; } |
175 |
int force_open = 0; |
176 |
int recover = 0; |
177 |
char *curout = NULL; |
178 |
char *prms = NULL; |
179 |
char *binval = NULL; |
180 |
int bincnt = 0; |
181 |
int rval; |
182 |
int i; |
183 |
/* global program name */ |
184 |
progname = argv[0]; |
185 |
/* feature check only? */ |
186 |
strcat(RFeatureList, RCONTRIB_FEATURES); |
187 |
if (argc > 1 && !strcmp(argv[1], "-features")) |
188 |
return feature_status(argc-2, argv+2); |
189 |
/* initialize calcomp routines early */ |
190 |
initfunc(); |
191 |
calcontext(RCCONTEXT); |
192 |
/* set rcontrib defaults */ |
193 |
default_options(); |
194 |
/* option city */ |
195 |
for (i = 1; i < argc; i++) { |
196 |
/* expand arguments */ |
197 |
while ((rval = expandarg(&argc, &argv, i)) > 0) |
198 |
; |
199 |
if (rval < 0) { |
200 |
sprintf(errmsg, "cannot expand '%s'", argv[i]); |
201 |
error(SYSTEM, errmsg); |
202 |
} |
203 |
if (argv[i] == NULL || argv[i][0] != '-') |
204 |
break; /* break from options */ |
205 |
if (!strcmp(argv[i], "-version")) { |
206 |
puts(VersionID); |
207 |
quit(0); |
208 |
} |
209 |
if (!strcmp(argv[i], "-defaults") || |
210 |
!strcmp(argv[i], "-help")) { |
211 |
override_options(); |
212 |
printdefaults(); |
213 |
quit(0); |
214 |
} |
215 |
rval = getrenderopt(argc-i, argv+i); |
216 |
if (rval >= 0) { |
217 |
i += rval; |
218 |
continue; |
219 |
} |
220 |
switch (argv[i][1]) { |
221 |
case 'n': /* number of processes */ |
222 |
check(2,"i"); |
223 |
nproc = atoi(argv[++i]); |
224 |
if (nproc < 0 && (nproc += RadSimulManager::GetNCores()) <= 0) |
225 |
nproc = 1; |
226 |
break; |
227 |
case 'V': /* output contributions? */ |
228 |
rval = myRCmanager.HasFlag(RCcontrib); |
229 |
check_bool(2,rval); |
230 |
myRCmanager.SetFlag(RCcontrib, rval); |
231 |
break; |
232 |
case 'x': /* x resolution */ |
233 |
check(2,"i"); |
234 |
myRCmanager.xres = atoi(argv[++i]); |
235 |
break; |
236 |
case 'y': /* y resolution */ |
237 |
check(2,"i"); |
238 |
myRCmanager.yres = atoi(argv[++i]); |
239 |
break; |
240 |
case 'w': /* warnings on/off */ |
241 |
rval = (erract[WARNING].pf != NULL); |
242 |
check_bool(2,rval); |
243 |
if (rval) erract[WARNING].pf = wputs; |
244 |
else erract[WARNING].pf = NULL; |
245 |
break; |
246 |
case 'e': /* .cal expression */ |
247 |
check(2,"s"); |
248 |
scompile(argv[++i], NULL, 0); |
249 |
break; |
250 |
case 'l': /* limit distance */ |
251 |
if (argv[i][2] != 'd') |
252 |
goto badopt; |
253 |
rval = myRCmanager.HasFlag(RTlimDist); |
254 |
check_bool(3,rval); |
255 |
myRCmanager.SetFlag(RTlimDist, rval); |
256 |
break; |
257 |
case 'I': /* immed. irradiance */ |
258 |
rval = myRCmanager.HasFlag(RTimmIrrad); |
259 |
check_bool(2,rval); |
260 |
myRCmanager.SetFlag(RTimmIrrad, rval); |
261 |
break; |
262 |
case 'f': /* .cal file or force or format */ |
263 |
if (!argv[i][2]) { |
264 |
check(2,"s"); |
265 |
loadfunc(argv[++i]); |
266 |
break; |
267 |
} |
268 |
if (argv[i][2] == 'o') { |
269 |
check_bool(3,force_open); |
270 |
break; |
271 |
} |
272 |
setformat(argv[i]+2); |
273 |
myRCmanager.SetDataFormat(outfmt); |
274 |
break; |
275 |
case 'o': /* output file */ |
276 |
check(2,"s"); |
277 |
curout = argv[++i]; |
278 |
break; |
279 |
case 'r': /* recover output */ |
280 |
check_bool(2,recover); |
281 |
break; |
282 |
case 'p': /* parameter setting(s) */ |
283 |
check(2,"s"); |
284 |
set_eparams(prms = argv[++i]); |
285 |
break; |
286 |
case 'c': /* sample count */ |
287 |
check(2,"i"); |
288 |
myRCmanager.accum = atoi(argv[++i]); |
289 |
break; |
290 |
case 'b': /* bin expression/count */ |
291 |
if (argv[i][2] == 'n') { |
292 |
check(3,"s"); |
293 |
bincnt = (int)(eval(argv[++i]) + .5); |
294 |
break; |
295 |
} |
296 |
check(2,"s"); |
297 |
binval = argv[++i]; |
298 |
break; |
299 |
case 'm': /* modifier name */ |
300 |
check(2,"s"); |
301 |
myRCmanager.AddModifier(argv[++i], curout, prms, binval, bincnt); |
302 |
break; |
303 |
case 'M': /* file of modifier names */ |
304 |
check(2,"s"); |
305 |
myRCmanager.AddModFile(argv[++i], curout, prms, binval, bincnt); |
306 |
break; |
307 |
case 't': /* reporting interval */ |
308 |
check(2,"i"); |
309 |
report_intvl = atoi(argv[++i]); |
310 |
break; |
311 |
default: |
312 |
goto badopt; |
313 |
} |
314 |
} |
315 |
if (i != argc-1) |
316 |
error(USER, "expected single octree argument"); |
317 |
|
318 |
override_options(); /* override some option settings */ |
319 |
|
320 |
if (!myRCmanager.GetOutput()) // check that we have work to do |
321 |
error(USER, "missing required modifier argument"); |
322 |
// get ready to rock... |
323 |
if (setspectrsamp(CNDX, WLPART) < 0) |
324 |
error(USER, "unsupported spectral sampling"); |
325 |
/* set up signal handling */ |
326 |
sigdie(SIGINT, "Interrupt"); |
327 |
#ifdef SIGHUP |
328 |
sigdie(SIGHUP, "Hangup"); |
329 |
#endif |
330 |
sigdie(SIGTERM, "Terminate"); |
331 |
#ifdef SIGPIPE |
332 |
sigdie(SIGPIPE, "Broken pipe"); |
333 |
#endif |
334 |
#ifdef SIGALRM |
335 |
sigdie(SIGALRM, "Alarm clock"); |
336 |
#endif |
337 |
#ifdef SIGXCPU |
338 |
sigdie(SIGXCPU, "CPU limit exceeded"); |
339 |
sigdie(SIGXFSZ, "File size exceeded"); |
340 |
#endif |
341 |
#ifdef NICE |
342 |
nice(NICE); /* lower priority */ |
343 |
#endif |
344 |
// load octree |
345 |
myRCmanager.LoadOctree(argv[argc-1]); |
346 |
// add to header |
347 |
myRCmanager.AddHeader(argc-1, argv); |
348 |
// prepare output files |
349 |
if (recover) |
350 |
myRCmanager.outOp = RCOrecover; |
351 |
else if (force_open) |
352 |
myRCmanager.outOp = RCOforce; |
353 |
else |
354 |
myRCmanager.outOp = RCOnew; |
355 |
// rval = # rows recovered |
356 |
rval = myRCmanager.PrepOutput(); |
357 |
// check if recovered everything |
358 |
if (rval >= myRCmanager.GetRowMax()) { |
359 |
error(WARNING, "nothing left to compute"); |
360 |
quit(0); |
361 |
} |
362 |
rxcontrib(rval); /* trace ray contributions (loop) */ |
363 |
|
364 |
quit(0); /* exit clean */ |
365 |
|
366 |
badopt: |
367 |
fprintf(stderr, |
368 |
"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", |
369 |
progname); |
370 |
sprintf(errmsg, "command line error at '%s'", argv[i]); |
371 |
error(USER, errmsg); |
372 |
return(1); /* pro forma return */ |
373 |
|
374 |
#undef check |
375 |
#undef check_bool |
376 |
} |
377 |
|
378 |
|
379 |
// skip specified number of bytes, return false if EOF |
380 |
static bool |
381 |
skipBytes(int n2skip) |
382 |
{ |
383 |
while (n2skip-- > 0) |
384 |
if (getchar() == EOF) |
385 |
return false; |
386 |
return true; |
387 |
} |
388 |
|
389 |
|
390 |
// skip specified number of whitespace-separated words, return false if EOF |
391 |
static bool |
392 |
skipWords(int n2skip) |
393 |
{ |
394 |
int c; |
395 |
|
396 |
while (n2skip-- > 0) { |
397 |
do { |
398 |
c = getchar(); |
399 |
} while (isspace(c)); |
400 |
do { |
401 |
if (c == EOF) return false; |
402 |
c = getchar(); |
403 |
} while (!isspace(c)); |
404 |
} |
405 |
return true; |
406 |
} |
407 |
|
408 |
|
409 |
// read a bundle of myRCmanager.accum ray origins and directions |
410 |
static bool |
411 |
getRayBundle(FVECT *orig_dir = NULL) |
412 |
{ |
413 |
int n2go = myRCmanager.accum; |
414 |
|
415 |
switch (inpfmt) { |
416 |
case 'a': // ASCII input |
417 |
if (!orig_dir) |
418 |
return skipWords(6*n2go); |
419 |
while (n2go-- > 0) { |
420 |
if (scanf(FVFORMAT, &orig_dir[0][0], |
421 |
&orig_dir[0][1], &orig_dir[0][2]) != 3) |
422 |
return false; |
423 |
if (scanf(FVFORMAT, &orig_dir[1][0], |
424 |
&orig_dir[1][1], &orig_dir[1][2]) != 3) |
425 |
return false; |
426 |
orig_dir += 2; |
427 |
} |
428 |
break; |
429 |
case 'f': // float input |
430 |
if (!orig_dir) |
431 |
return skipBytes(6*sizeof(float)*n2go); |
432 |
#ifdef SMLFLT |
433 |
if (getbinary(orig_dir, sizeof(FVECT), 2*n2go, stdin) != 2*n2go) |
434 |
return false; |
435 |
orig_dir += 2*n2go; |
436 |
#else |
437 |
while (n2go-- > 0) { |
438 |
float fvecs[6]; |
439 |
if (getbinary(fvecs, sizeof(fvecs), 1, stdin) != 1) |
440 |
return false; |
441 |
for (int i = 6; i--; ) |
442 |
orig_dir[0][i] = fvecs[i]; |
443 |
orig_dir += 2; |
444 |
} |
445 |
#endif |
446 |
break; |
447 |
case 'd': // double input |
448 |
if (!orig_dir) |
449 |
return skipBytes(6*sizeof(double)*n2go); |
450 |
#ifndef SMLFLT |
451 |
if (getbinary(orig_dir, sizeof(FVECT), 2*n2go, stdin) != 2*n2go) |
452 |
return false; |
453 |
orig_dir += 2*n2go; |
454 |
#else |
455 |
while (n2go-- > 0) { |
456 |
double dvecs[6]; |
457 |
if (getbinary(dvecs, sizeof(dvecs), 1, stdin) != 1) |
458 |
return false; |
459 |
for (int i = 6; i--; ) |
460 |
orig_dir[0][i] = dvecs[i]; |
461 |
orig_dir += 2; |
462 |
} |
463 |
#endif |
464 |
break; |
465 |
default: |
466 |
error(INTERNAL, "unsupported format in getRayBundle()"); |
467 |
return false; |
468 |
} |
469 |
n2go = myRCmanager.accum; // normalize directions |
470 |
while (n2go-- > 0) { |
471 |
orig_dir -= 2; |
472 |
normalize(orig_dir[1]); |
473 |
} |
474 |
return true; |
475 |
} |
476 |
|
477 |
|
478 |
// Run loop to load data, report progress, etc. |
479 |
void |
480 |
rxcontrib(const int rstart) |
481 |
{ |
482 |
const int totRows = myRCmanager.GetRowMax(); |
483 |
FVECT * odarr = (FVECT *)emalloc(sizeof(FVECT)*2*myRCmanager.accum); |
484 |
time_t tstart, last_report; |
485 |
int r = 0; |
486 |
|
487 |
while (r < rstart) { // skip input rays already done |
488 |
if (!getRayBundle()) |
489 |
goto readerr; |
490 |
r++; |
491 |
} |
492 |
if (report_intvl > 0) { // set up reporting |
493 |
if (r > 0) { |
494 |
sprintf(errmsg, "recovered %.2f%% of total\n", |
495 |
100.*r/totRows); |
496 |
eputs(errmsg); |
497 |
} |
498 |
last_report = tstart = time(0); |
499 |
} |
500 |
// start children as requested |
501 |
myRCmanager.SetThreadCount(nproc); |
502 |
|
503 |
while (r < totRows) { // loop until done |
504 |
time_t tnow; |
505 |
if (!getRayBundle(odarr)) |
506 |
goto readerr; |
507 |
if (myRCmanager.ComputeRecord(odarr) <= 0) |
508 |
return; // error reported, hopefully... |
509 |
r++; |
510 |
if (report_intvl <= 0) |
511 |
continue; |
512 |
if (r == totRows) // need to finish up? |
513 |
myRCmanager.SetThreadCount(1); |
514 |
tnow = time(0); |
515 |
if ((r < totRows) & (tnow < last_report+report_intvl)) |
516 |
continue; |
517 |
sprintf(errmsg, "%.2f%% done after %.3f hours\n", |
518 |
100.*myRCmanager.GetRowFinished()/totRows, |
519 |
(1./3600.)*(tnow - tstart)); |
520 |
eputs(errmsg); |
521 |
last_report = tnow; |
522 |
} |
523 |
efree(odarr); |
524 |
return; |
525 |
readerr: |
526 |
sprintf(errmsg, "unexpected EOF on standard input (record %d of %d)", |
527 |
r, totRows); |
528 |
error(USER, errmsg); |
529 |
} |
530 |
|
531 |
|
532 |
void |
533 |
wputs( /* warning output function */ |
534 |
const char *s |
535 |
) |
536 |
{ |
537 |
if (!erract[WARNING].pf) return; |
538 |
int lasterrno = errno; |
539 |
eputs(s); |
540 |
errno = lasterrno; |
541 |
} |
542 |
|
543 |
|
544 |
void |
545 |
eputs( /* put string to stderr */ |
546 |
const char *s |
547 |
) |
548 |
{ |
549 |
static int midline = 0; |
550 |
|
551 |
if (!*s) |
552 |
return; |
553 |
if (!midline++) { |
554 |
fputs(progname, stderr); |
555 |
fputs(": ", stderr); |
556 |
} |
557 |
fputs(s, stderr); |
558 |
if (s[strlen(s)-1] == '\n') { |
559 |
fflush(stderr); |
560 |
midline = 0; |
561 |
} |
562 |
} |
563 |
|
564 |
|
565 |
/* Exit program */ |
566 |
void |
567 |
quit( |
568 |
int code |
569 |
) |
570 |
{ |
571 |
if (!code && myRCmanager.Ready()) // clean up on normal exit |
572 |
code = myRCmanager.Cleanup(); |
573 |
|
574 |
exit(code); |
575 |
} |