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root/radiance/ray/src/rt/rpmain.c
Revision: 2.29
Committed: Fri Nov 17 20:02:07 2023 UTC (6 months, 3 weeks ago) by greg
Content type: text/plain
Branch: MAIN
Changes since 2.28: +3 -35 lines
Log Message:
fix: multiple bug fixes in hyperspectral code, added rvu, mkillum, rsensor, and ranimove to "working except photon map" status

File Contents

# User Rev Content
1 greg 2.1 #ifndef lint
2 greg 2.29 static const char RCSid[] = "$Id: rpmain.c,v 2.28 2023/11/15 18:02:53 greg 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 greg 2.10 #include <time.h>
11 schorsch 2.3 #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 greg 2.16 #include "pmapray.h"
22 greg 2.1
23     /* persistent processes define */
24     #ifdef F_SETLKW
25     #define PERSIST 1 /* normal persist */
26     #define PARALLEL 2 /* parallel persist */
27     #define PCHILD 3 /* child of normal persist */
28     #endif
29    
30     char *progname; /* argv[0] */
31     char *octname; /* octree name */
32     char *sigerr[NSIG]; /* signal error messages */
33     char *shm_boundary = NULL; /* boundary of shared memory */
34     char *errfile = NULL; /* error output file */
35    
36     extern time_t time();
37     extern time_t tstart; /* start time */
38    
39     extern int ralrm; /* seconds between reports */
40    
41     extern VIEW ourview; /* viewing parameters */
42    
43     extern int hresolu; /* horizontal resolution */
44     extern int vresolu; /* vertical resolution */
45     extern double pixaspect; /* pixel aspect ratio */
46    
47     extern int psample; /* pixel sample size */
48     extern double maxdiff; /* max. sample difference */
49     extern double dstrpix; /* square pixel distribution */
50    
51     extern double mblur; /* motion blur parameter */
52    
53 greg 2.9 extern double dblur; /* depth-of-field blur parameter */
54    
55 greg 2.28 RGBPRIMP out_prims = stdprims; /* output color primitives */
56     static RGBPRIMS our_prims; /* private output color primitives */
57    
58 schorsch 2.8 static void onsig(int signo);
59     static void sigdie(int signo, char *msg);
60     static void printdefaults(void);
61 greg 2.21 /* rpict additional features */
62     #ifdef PERSIST
63     #define RPICT_FEATURES "Persist\nParallelPersist\n" \
64 greg 2.29 "ParticipatingMedia=Mist\n" \
65 greg 2.22 "Recovery\nIrradianceCalc\nViewTypes=v,l,a,h,s,c\n" \
66     "HessianAmbientCache\nAmbientAveraging\nAmbientValueSharing\n" \
67     "PixelJitter\nPixelSampling\nPixelMotion\nPixelDepthOfField\n" \
68     "SmallSourceDrawing\nViewSequence\nProgressReporting\n" \
69 greg 2.23 "AdaptiveShadowTesting\nOutputs=v,l\n"
70 greg 2.21 #else
71     #define RPICT_FEATURES "Recovery\nIrradianceCalc\nViewTypes=v,l,a,h,s,c\n" \
72 greg 2.29 "ParticipatingMedia=Mist\n" \
73 greg 2.22 "HessianAmbientCache\nAmbientAveraging\nAmbientValueSharing\n" \
74     "PixelJitter\nPixelSampling\nPixelMotion\nPixelDepthOfField\n" \
75     "SmallSourceDrawing\nViewSequence\nProgressReporting\n" \
76 greg 2.23 "AdaptiveShadowTesting\nOutputs=v,l\n"
77 greg 2.21 #endif
78 greg 2.1
79    
80     int
81 schorsch 2.8 main(int argc, char *argv[])
82 greg 2.1 {
83     #define check(ol,al) if (argv[i][ol] || \
84     badarg(argc-i-1,argv+i+1,al)) \
85     goto badopt
86 schorsch 2.18 #define check_bool(olen,var) switch (argv[i][olen]) { \
87 greg 2.1 case '\0': var = !var; break; \
88     case 'y': case 'Y': case 't': case 'T': \
89     case '+': case '1': var = 1; break; \
90     case 'n': case 'N': case 'f': case 'F': \
91     case '-': case '0': var = 0; break; \
92     default: goto badopt; }
93     char *err;
94     char *recover = NULL;
95     char *outfile = NULL;
96     char *zfile = NULL;
97     int loadflags = ~IO_FILES;
98     int seqstart = 0;
99     int persist = 0;
100 greg 2.15 int duped1 = -1;
101 greg 2.1 int rval;
102     int i;
103     /* record start time */
104     tstart = time((time_t *)NULL);
105     /* global program name */
106     progname = argv[0] = fixargv0(argv[0]);
107 greg 2.21 /* feature check only? */
108     strcat(RFeatureList, RPICT_FEATURES);
109 greg 2.25 if (argc > 1 && !strcmp(argv[1], "-features"))
110 greg 2.21 return feature_status(argc-2, argv+2);
111 greg 2.1 /* option city */
112     for (i = 1; i < argc; i++) {
113     /* expand arguments */
114     while ((rval = expandarg(&argc, &argv, i)) > 0)
115     ;
116     if (rval < 0) {
117     sprintf(errmsg, "cannot expand '%s'", argv[i]);
118     error(SYSTEM, errmsg);
119     }
120     if (argv[i] == NULL || argv[i][0] != '-')
121     break; /* break from options */
122     if (!strcmp(argv[i], "-version")) {
123     puts(VersionID);
124     quit(0);
125     }
126     if (!strcmp(argv[i], "-defaults") ||
127     !strcmp(argv[i], "-help")) {
128     printdefaults();
129     quit(0);
130     }
131     rval = getrenderopt(argc-i, argv+i);
132     if (rval >= 0) {
133     i += rval;
134     continue;
135     }
136     rval = getviewopt(&ourview, argc-i, argv+i);
137     if (rval >= 0) {
138     i += rval;
139     continue;
140     }
141     /* rpict options */
142     switch (argv[i][1]) {
143     case 'v': /* view file */
144     if (argv[i][2] != 'f')
145     goto badopt;
146     check(3,"s");
147     rval = viewfile(argv[++i], &ourview, NULL);
148     if (rval < 0) {
149     sprintf(errmsg,
150     "cannot open view file \"%s\"",
151     argv[i]);
152     error(SYSTEM, errmsg);
153     } else if (rval == 0) {
154     sprintf(errmsg,
155     "bad view file \"%s\"",
156     argv[i]);
157     error(USER, errmsg);
158     }
159     break;
160     case 'p': /* pixel */
161     switch (argv[i][2]) {
162     case 's': /* sample */
163     check(3,"i");
164     psample = atoi(argv[++i]);
165     break;
166     case 't': /* threshold */
167     check(3,"f");
168     maxdiff = atof(argv[++i]);
169     break;
170     case 'j': /* jitter */
171     check(3,"f");
172     dstrpix = atof(argv[++i]);
173     break;
174     case 'a': /* aspect */
175     check(3,"f");
176     pixaspect = atof(argv[++i]);
177     break;
178     case 'm': /* motion */
179     check(3,"f");
180     mblur = atof(argv[++i]);
181     break;
182 greg 2.9 case 'd': /* aperture */
183     check(3,"f");
184     dblur = atof(argv[++i]);
185     break;
186 greg 2.28 case 'R': /* standard RGB output */
187     if (strcmp(argv[i]+2, "RGB"))
188     goto badopt;
189     out_prims = stdprims;
190     break;
191     case 'X': /* XYZ output */
192     if (strcmp(argv[i]+2, "XYZ"))
193     goto badopt;
194     out_prims = xyzprims;
195     break;
196     case 'c': { /* chromaticities */
197     int j;
198     check(3,"ffffffff");
199     rval = 0;
200     for (j = 0; j < 8; j++) {
201     our_prims[0][j] = atof(argv[++i]);
202     rval |= fabs(our_prims[0][j]-stdprims[0][j]) > .001;
203     }
204     if (rval) {
205     if (!colorprimsOK(our_prims))
206     error(USER, "illegal primary chromaticities");
207     out_prims = our_prims;
208     } else
209     out_prims = stdprims;
210     } break;
211 greg 2.1 default:
212     goto badopt;
213     }
214     break;
215     case 'x': /* x resolution */
216     check(2,"i");
217     hresolu = atoi(argv[++i]);
218     break;
219     case 'y': /* y resolution */
220     check(2,"i");
221     vresolu = atoi(argv[++i]);
222     break;
223     case 'S': /* slave index */
224     check(2,"i");
225     seqstart = atoi(argv[++i]);
226     break;
227     case 'o': /* output file */
228     check(2,"s");
229     outfile = argv[++i];
230     break;
231     case 'z': /* z file */
232     check(2,"s");
233     zfile = argv[++i];
234     break;
235     case 'r': /* recover file */
236     if (argv[i][2] == 'o') { /* +output */
237     check(3,"s");
238     outfile = argv[i+1];
239     } else
240     check(2,"s");
241     recover = argv[++i];
242     break;
243     case 't': /* timer */
244     check(2,"i");
245     ralrm = atoi(argv[++i]);
246     break;
247     #ifdef PERSIST
248     case 'P': /* persist file */
249     if (argv[i][2] == 'P') {
250     check(3,"s");
251     persist = PARALLEL;
252     } else {
253     check(2,"s");
254     persist = PERSIST;
255     }
256     persistfile(argv[++i]);
257     break;
258     #endif
259     case 'w': /* warnings */
260     rval = erract[WARNING].pf != NULL;
261 schorsch 2.18 check_bool(2,rval);
262 greg 2.1 if (rval) erract[WARNING].pf = wputs;
263     else erract[WARNING].pf = NULL;
264     break;
265     case 'e': /* error file */
266     check(2,"s");
267     errfile = argv[++i];
268     break;
269     default:
270     goto badopt;
271     }
272     }
273     err = setview(&ourview); /* set viewing parameters */
274     if (err != NULL)
275     error(USER, err);
276     /* initialize object types */
277     initotypes();
278     /* initialize urand */
279 greg 2.12 if (rand_samp) {
280     srandom((long)time(0));
281     initurand(0);
282     } else {
283     srandom(0L);
284     initurand(2048);
285     }
286 greg 2.1 /* set up signal handling */
287     sigdie(SIGINT, "Interrupt");
288 schorsch 2.4 #ifdef SIGHUP
289 greg 2.1 sigdie(SIGHUP, "Hangup");
290 schorsch 2.4 #endif
291 greg 2.1 sigdie(SIGTERM, "Terminate");
292 schorsch 2.4 #ifdef SIGPIPE
293 greg 2.1 sigdie(SIGPIPE, "Broken pipe");
294 schorsch 2.4 #endif
295     #ifdef SIGALRM
296 greg 2.1 sigdie(SIGALRM, "Alarm clock");
297 schorsch 2.4 #endif
298 greg 2.1 #ifdef SIGXCPU
299     sigdie(SIGXCPU, "CPU limit exceeded");
300     sigdie(SIGXFSZ, "File size exceeded");
301     #endif
302     /* open error file */
303     if (errfile != NULL) {
304     if (freopen(errfile, "a", stderr) == NULL)
305     quit(2);
306     fprintf(stderr, "**************\n*** PID %5d: ",
307     getpid());
308     printargs(argc, argv, stderr);
309     putc('\n', stderr);
310     fflush(stderr);
311     }
312     #ifdef NICE
313     nice(NICE); /* lower priority */
314     #endif
315     /* get octree */
316     if (i == argc)
317     octname = NULL;
318     else if (i == argc-1)
319     octname = argv[i];
320     else
321     goto badopt;
322     if (seqstart > 0 && octname == NULL)
323     error(USER, "missing octree argument");
324     /* set up output */
325     #ifdef PERSIST
326     if (persist) {
327     if (recover != NULL)
328     error(USER, "persist option used with recover file");
329     if (seqstart <= 0)
330     error(USER, "persist option only for sequences");
331     if (outfile == NULL)
332     duped1 = dup(fileno(stdout)); /* don't lose our output */
333     openheader();
334     } else
335     #endif
336     if (outfile != NULL)
337     openheader();
338 schorsch 2.3 SET_FILE_BINARY(stdout);
339 greg 2.1 if (octname == NULL)
340 schorsch 2.3 SET_FILE_BINARY(stdin);
341 greg 2.1 readoct(octname, loadflags, &thescene, NULL);
342     nsceneobjs = nobjects;
343    
344     if (loadflags & IO_INFO) { /* print header */
345     printargs(i, argv, stdout);
346     printf("SOFTWARE= %s\n", VersionID);
347     }
348 greg 2.16
349     ray_init_pmap(); /* PMAP: set up & load photon maps */
350 greg 2.1
351     marksources(); /* find and mark sources */
352    
353     setambient(); /* initialize ambient calculation */
354 greg 2.16
355 greg 2.20 fflush(stdout); /* in case we're duplicating header */
356    
357 greg 2.1 #ifdef PERSIST
358     if (persist) {
359     if (outfile == NULL) { /* reconnect stdout */
360     dup2(duped1, fileno(stdout));
361     close(duped1);
362     }
363     if (persist == PARALLEL) { /* multiprocessing */
364     preload_objs(); /* preload scene */
365     shm_boundary = (char *)malloc(16);
366     strcpy(shm_boundary, "SHM_BOUNDARY");
367     while ((rval=fork()) == 0) { /* keep on forkin' */
368     pflock(1);
369     pfhold();
370     tstart = time((time_t *)NULL);
371 greg 2.13 ambsync(); /* load new values */
372 greg 2.1 }
373     if (rval < 0)
374     error(SYSTEM, "cannot fork child for persist function");
375 greg 2.13 pfdetach(); /* parent will run then exit */
376 greg 2.1 }
377     }
378     runagain:
379 schorsch 2.7 if (persist) {
380 greg 2.1 if (outfile == NULL) /* if out to stdout */
381     dupheader(); /* send header */
382     else /* if out to file */
383     duped1 = dup(fileno(stdout)); /* hang onto pipe */
384 schorsch 2.7 }
385 greg 2.1 #endif
386     /* batch render picture(s) */
387     rpict(seqstart, outfile, zfile, recover);
388     /* flush ambient file */
389     ambsync();
390     #ifdef PERSIST
391     if (persist == PERSIST) { /* first run-through */
392     if ((rval=fork()) == 0) { /* child loops until killed */
393     pflock(1);
394     persist = PCHILD;
395     } else { /* original process exits */
396     if (rval < 0)
397     error(SYSTEM, "cannot fork child for persist function");
398     pfdetach(); /* parent exits */
399     }
400     }
401     if (persist == PCHILD) { /* wait for a signal then go again */
402     if (outfile != NULL)
403     close(duped1); /* release output handle */
404     pfhold();
405     tstart = time((time_t *)NULL); /* reinitialize */
406     raynum = nrays = 0;
407     goto runagain;
408     }
409     #endif
410 greg 2.16
411    
412     ray_done_pmap(); /* PMAP: free photon maps */
413    
414 greg 2.1 quit(0);
415    
416     badopt:
417     sprintf(errmsg, "command line error at '%s'", argv[i]);
418     error(USER, errmsg);
419 schorsch 2.8 return 1; /* pro forma return */
420 greg 2.1
421     #undef check
422 schorsch 2.18 #undef check_bool
423 greg 2.1 }
424    
425    
426     void
427 schorsch 2.8 wputs( /* warning output function */
428 greg 2.26 const char *s
429 schorsch 2.8 )
430 greg 2.1 {
431     int lasterrno = errno;
432     eputs(s);
433     errno = lasterrno;
434     }
435    
436    
437     void
438 schorsch 2.8 eputs( /* put string to stderr */
439 greg 2.26 const char *s
440 schorsch 2.8 )
441 greg 2.1 {
442     static int midline = 0;
443    
444     if (!*s)
445     return;
446     if (!midline++) {
447     fputs(progname, stderr);
448     fputs(": ", stderr);
449     }
450     fputs(s, stderr);
451     if (s[strlen(s)-1] == '\n') {
452     fflush(stderr);
453     midline = 0;
454     }
455     }
456    
457    
458 schorsch 2.8 static void
459     onsig( /* fatal signal */
460     int signo
461     )
462 greg 2.1 {
463     static int gotsig = 0;
464    
465     if (gotsig++) /* two signals and we're gone! */
466     _exit(signo);
467    
468 schorsch 2.4 #ifdef SIGALRM /* XXX how critical is this? */
469 greg 2.1 alarm(15); /* allow 15 seconds to clean up */
470     signal(SIGALRM, SIG_DFL); /* make certain we do die */
471 schorsch 2.4 #endif
472 greg 2.1 eputs("signal - ");
473     eputs(sigerr[signo]);
474     eputs("\n");
475     quit(3);
476     }
477    
478    
479 schorsch 2.8 static void
480     sigdie( /* set fatal signal */
481     int signo,
482     char *msg
483     )
484 greg 2.1 {
485     if (signal(signo, onsig) == SIG_IGN)
486     signal(signo, SIG_IGN);
487     sigerr[signo] = msg;
488     }
489    
490    
491 schorsch 2.8 static void
492     printdefaults(void) /* print default values to stdout */
493 greg 2.1 {
494     printf("-vt%c\t\t\t\t# view type %s\n", ourview.type,
495     ourview.type==VT_PER ? "perspective" :
496     ourview.type==VT_PAR ? "parallel" :
497     ourview.type==VT_HEM ? "hemispherical" :
498     ourview.type==VT_ANG ? "angular" :
499     ourview.type==VT_CYL ? "cylindrical" :
500 greg 2.14 ourview.type==VT_PLS ? "planisphere" :
501 greg 2.1 "unknown");
502     printf("-vp %f %f %f\t# view point\n",
503     ourview.vp[0], ourview.vp[1], ourview.vp[2]);
504     printf("-vd %f %f %f\t# view direction\n",
505     ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]);
506     printf("-vu %f %f %f\t# view up\n",
507     ourview.vup[0], ourview.vup[1], ourview.vup[2]);
508     printf("-vh %f\t\t\t# view horizontal size\n", ourview.horiz);
509     printf("-vv %f\t\t\t# view vertical size\n", ourview.vert);
510     printf("-vo %f\t\t\t# view fore clipping plane\n", ourview.vfore);
511     printf("-va %f\t\t\t# view aft clipping plane\n", ourview.vaft);
512     printf("-vs %f\t\t\t# view shift\n", ourview.hoff);
513     printf("-vl %f\t\t\t# view lift\n", ourview.voff);
514     printf("-x %-9d\t\t\t# x resolution\n", hresolu);
515     printf("-y %-9d\t\t\t# y resolution\n", vresolu);
516 greg 2.28 if (out_prims == stdprims)
517     printf("-pRGB\t\t\t\t# standard RGB color output\n");
518     else if (out_prims == xyzprims)
519     printf("-pXYZ\t\t\t\t# CIE XYZ color output\n");
520     else if (out_prims != NULL)
521     printf("-pc %.4f %.4f %.4f %.4f %.4f %.4f %.4f %.4f\t# output color primaries and white point\n",
522     out_prims[RED][0], out_prims[RED][1],
523     out_prims[GRN][0], out_prims[GRN][1],
524     out_prims[BLU][0], out_prims[BLU][1],
525     out_prims[WHT][0], out_prims[WHT][1]);
526 greg 2.1 printf("-pa %f\t\t\t# pixel aspect ratio\n", pixaspect);
527     printf("-pj %f\t\t\t# pixel jitter\n", dstrpix);
528     printf("-pm %f\t\t\t# pixel motion\n", mblur);
529 greg 2.9 printf("-pd %f\t\t\t# pixel depth-of-field\n", dblur);
530 greg 2.1 printf("-ps %-9d\t\t\t# pixel sample\n", psample);
531     printf("-pt %f\t\t\t# pixel threshold\n", maxdiff);
532     printf("-t %-9d\t\t\t# time between reports\n", ralrm);
533     printf(erract[WARNING].pf != NULL ?
534     "-w+\t\t\t\t# warning messages on\n" :
535     "-w-\t\t\t\t# warning messages off\n");
536     print_rdefaults();
537     }