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root/radiance/ray/src/rt/rpmain.c
Revision: 2.25
Committed: Mon Feb 6 20:37:06 2023 UTC (15 months, 1 week ago) by greg
Content type: text/plain
Branch: MAIN
Changes since 2.24: +2 -2 lines
Log Message:
fix: Actually, need to allow -features to have arguments

File Contents

# User Rev Content
1 greg 2.1 #ifndef lint
2 greg 2.25 static const char RCSid[] = "$Id: rpmain.c,v 2.24 2023/02/06 20:34:17 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 schorsch 2.8 static void onsig(int signo);
56     static void sigdie(int signo, char *msg);
57     static void printdefaults(void);
58 greg 2.21 /* rpict additional features */
59     #ifdef PERSIST
60     #define RPICT_FEATURES "Persist\nParallelPersist\n" \
61 greg 2.22 "Recovery\nIrradianceCalc\nViewTypes=v,l,a,h,s,c\n" \
62     "HessianAmbientCache\nAmbientAveraging\nAmbientValueSharing\n" \
63     "PixelJitter\nPixelSampling\nPixelMotion\nPixelDepthOfField\n" \
64     "SmallSourceDrawing\nViewSequence\nProgressReporting\n" \
65 greg 2.23 "AdaptiveShadowTesting\nOutputs=v,l\n"
66 greg 2.21 #else
67     #define RPICT_FEATURES "Recovery\nIrradianceCalc\nViewTypes=v,l,a,h,s,c\n" \
68 greg 2.22 "HessianAmbientCache\nAmbientAveraging\nAmbientValueSharing\n" \
69     "PixelJitter\nPixelSampling\nPixelMotion\nPixelDepthOfField\n" \
70     "SmallSourceDrawing\nViewSequence\nProgressReporting\n" \
71 greg 2.23 "AdaptiveShadowTesting\nOutputs=v,l\n"
72 greg 2.21 #endif
73 greg 2.1
74    
75     int
76 schorsch 2.8 main(int argc, char *argv[])
77 greg 2.1 {
78     #define check(ol,al) if (argv[i][ol] || \
79     badarg(argc-i-1,argv+i+1,al)) \
80     goto badopt
81 schorsch 2.18 #define check_bool(olen,var) switch (argv[i][olen]) { \
82 greg 2.1 case '\0': var = !var; break; \
83     case 'y': case 'Y': case 't': case 'T': \
84     case '+': case '1': var = 1; break; \
85     case 'n': case 'N': case 'f': case 'F': \
86     case '-': case '0': var = 0; break; \
87     default: goto badopt; }
88     char *err;
89     char *recover = NULL;
90     char *outfile = NULL;
91     char *zfile = NULL;
92     int loadflags = ~IO_FILES;
93     int seqstart = 0;
94     int persist = 0;
95 greg 2.15 int duped1 = -1;
96 greg 2.1 int rval;
97     int i;
98     /* record start time */
99     tstart = time((time_t *)NULL);
100     /* global program name */
101     progname = argv[0] = fixargv0(argv[0]);
102 greg 2.21 /* feature check only? */
103     strcat(RFeatureList, RPICT_FEATURES);
104 greg 2.25 if (argc > 1 && !strcmp(argv[1], "-features"))
105 greg 2.21 return feature_status(argc-2, argv+2);
106 greg 2.1 /* option city */
107     for (i = 1; i < argc; i++) {
108     /* expand arguments */
109     while ((rval = expandarg(&argc, &argv, i)) > 0)
110     ;
111     if (rval < 0) {
112     sprintf(errmsg, "cannot expand '%s'", argv[i]);
113     error(SYSTEM, errmsg);
114     }
115     if (argv[i] == NULL || argv[i][0] != '-')
116     break; /* break from options */
117     if (!strcmp(argv[i], "-version")) {
118     puts(VersionID);
119     quit(0);
120     }
121     if (!strcmp(argv[i], "-defaults") ||
122     !strcmp(argv[i], "-help")) {
123     printdefaults();
124     quit(0);
125     }
126     rval = getrenderopt(argc-i, argv+i);
127     if (rval >= 0) {
128     i += rval;
129     continue;
130     }
131     rval = getviewopt(&ourview, argc-i, argv+i);
132     if (rval >= 0) {
133     i += rval;
134     continue;
135     }
136     /* rpict options */
137     switch (argv[i][1]) {
138     case 'v': /* view file */
139     if (argv[i][2] != 'f')
140     goto badopt;
141     check(3,"s");
142     rval = viewfile(argv[++i], &ourview, NULL);
143     if (rval < 0) {
144     sprintf(errmsg,
145     "cannot open view file \"%s\"",
146     argv[i]);
147     error(SYSTEM, errmsg);
148     } else if (rval == 0) {
149     sprintf(errmsg,
150     "bad view file \"%s\"",
151     argv[i]);
152     error(USER, errmsg);
153     }
154     break;
155     case 'p': /* pixel */
156     switch (argv[i][2]) {
157     case 's': /* sample */
158     check(3,"i");
159     psample = atoi(argv[++i]);
160     break;
161     case 't': /* threshold */
162     check(3,"f");
163     maxdiff = atof(argv[++i]);
164     break;
165     case 'j': /* jitter */
166     check(3,"f");
167     dstrpix = atof(argv[++i]);
168     break;
169     case 'a': /* aspect */
170     check(3,"f");
171     pixaspect = atof(argv[++i]);
172     break;
173     case 'm': /* motion */
174     check(3,"f");
175     mblur = atof(argv[++i]);
176     break;
177 greg 2.9 case 'd': /* aperture */
178     check(3,"f");
179     dblur = atof(argv[++i]);
180     break;
181 greg 2.1 default:
182     goto badopt;
183     }
184     break;
185     case 'x': /* x resolution */
186     check(2,"i");
187     hresolu = atoi(argv[++i]);
188     break;
189     case 'y': /* y resolution */
190     check(2,"i");
191     vresolu = atoi(argv[++i]);
192     break;
193     case 'S': /* slave index */
194     check(2,"i");
195     seqstart = atoi(argv[++i]);
196     break;
197     case 'o': /* output file */
198     check(2,"s");
199     outfile = argv[++i];
200     break;
201     case 'z': /* z file */
202     check(2,"s");
203     zfile = argv[++i];
204     break;
205     case 'r': /* recover file */
206     if (argv[i][2] == 'o') { /* +output */
207     check(3,"s");
208     outfile = argv[i+1];
209     } else
210     check(2,"s");
211     recover = argv[++i];
212     break;
213     case 't': /* timer */
214     check(2,"i");
215     ralrm = atoi(argv[++i]);
216     break;
217     #ifdef PERSIST
218     case 'P': /* persist file */
219     if (argv[i][2] == 'P') {
220     check(3,"s");
221     persist = PARALLEL;
222     } else {
223     check(2,"s");
224     persist = PERSIST;
225     }
226     persistfile(argv[++i]);
227     break;
228     #endif
229     case 'w': /* warnings */
230     rval = erract[WARNING].pf != NULL;
231 schorsch 2.18 check_bool(2,rval);
232 greg 2.1 if (rval) erract[WARNING].pf = wputs;
233     else erract[WARNING].pf = NULL;
234     break;
235     case 'e': /* error file */
236     check(2,"s");
237     errfile = argv[++i];
238     break;
239     default:
240     goto badopt;
241     }
242     }
243     err = setview(&ourview); /* set viewing parameters */
244     if (err != NULL)
245     error(USER, err);
246     /* initialize object types */
247     initotypes();
248     /* initialize urand */
249 greg 2.12 if (rand_samp) {
250     srandom((long)time(0));
251     initurand(0);
252     } else {
253     srandom(0L);
254     initurand(2048);
255     }
256 greg 2.1 /* set up signal handling */
257     sigdie(SIGINT, "Interrupt");
258 schorsch 2.4 #ifdef SIGHUP
259 greg 2.1 sigdie(SIGHUP, "Hangup");
260 schorsch 2.4 #endif
261 greg 2.1 sigdie(SIGTERM, "Terminate");
262 schorsch 2.4 #ifdef SIGPIPE
263 greg 2.1 sigdie(SIGPIPE, "Broken pipe");
264 schorsch 2.4 #endif
265     #ifdef SIGALRM
266 greg 2.1 sigdie(SIGALRM, "Alarm clock");
267 schorsch 2.4 #endif
268 greg 2.1 #ifdef SIGXCPU
269     sigdie(SIGXCPU, "CPU limit exceeded");
270     sigdie(SIGXFSZ, "File size exceeded");
271     #endif
272     /* open error file */
273     if (errfile != NULL) {
274     if (freopen(errfile, "a", stderr) == NULL)
275     quit(2);
276     fprintf(stderr, "**************\n*** PID %5d: ",
277     getpid());
278     printargs(argc, argv, stderr);
279     putc('\n', stderr);
280     fflush(stderr);
281     }
282     #ifdef NICE
283     nice(NICE); /* lower priority */
284     #endif
285     /* get octree */
286     if (i == argc)
287     octname = NULL;
288     else if (i == argc-1)
289     octname = argv[i];
290     else
291     goto badopt;
292     if (seqstart > 0 && octname == NULL)
293     error(USER, "missing octree argument");
294     /* set up output */
295     #ifdef PERSIST
296     if (persist) {
297     if (recover != NULL)
298     error(USER, "persist option used with recover file");
299     if (seqstart <= 0)
300     error(USER, "persist option only for sequences");
301     if (outfile == NULL)
302     duped1 = dup(fileno(stdout)); /* don't lose our output */
303     openheader();
304     } else
305     #endif
306     if (outfile != NULL)
307     openheader();
308 schorsch 2.3 SET_FILE_BINARY(stdout);
309 greg 2.1 if (octname == NULL)
310 schorsch 2.3 SET_FILE_BINARY(stdin);
311 greg 2.1 readoct(octname, loadflags, &thescene, NULL);
312     nsceneobjs = nobjects;
313    
314     if (loadflags & IO_INFO) { /* print header */
315     printargs(i, argv, stdout);
316     printf("SOFTWARE= %s\n", VersionID);
317     }
318 greg 2.16
319     ray_init_pmap(); /* PMAP: set up & load photon maps */
320 greg 2.1
321     marksources(); /* find and mark sources */
322    
323     setambient(); /* initialize ambient calculation */
324 greg 2.16
325 greg 2.20 fflush(stdout); /* in case we're duplicating header */
326    
327 greg 2.1 #ifdef PERSIST
328     if (persist) {
329     if (outfile == NULL) { /* reconnect stdout */
330     dup2(duped1, fileno(stdout));
331     close(duped1);
332     }
333     if (persist == PARALLEL) { /* multiprocessing */
334     preload_objs(); /* preload scene */
335     shm_boundary = (char *)malloc(16);
336     strcpy(shm_boundary, "SHM_BOUNDARY");
337     while ((rval=fork()) == 0) { /* keep on forkin' */
338     pflock(1);
339     pfhold();
340     tstart = time((time_t *)NULL);
341 greg 2.13 ambsync(); /* load new values */
342 greg 2.1 }
343     if (rval < 0)
344     error(SYSTEM, "cannot fork child for persist function");
345 greg 2.13 pfdetach(); /* parent will run then exit */
346 greg 2.1 }
347     }
348     runagain:
349 schorsch 2.7 if (persist) {
350 greg 2.1 if (outfile == NULL) /* if out to stdout */
351     dupheader(); /* send header */
352     else /* if out to file */
353     duped1 = dup(fileno(stdout)); /* hang onto pipe */
354 schorsch 2.7 }
355 greg 2.1 #endif
356     /* batch render picture(s) */
357     rpict(seqstart, outfile, zfile, recover);
358     /* flush ambient file */
359     ambsync();
360     #ifdef PERSIST
361     if (persist == PERSIST) { /* first run-through */
362     if ((rval=fork()) == 0) { /* child loops until killed */
363     pflock(1);
364     persist = PCHILD;
365     } else { /* original process exits */
366     if (rval < 0)
367     error(SYSTEM, "cannot fork child for persist function");
368     pfdetach(); /* parent exits */
369     }
370     }
371     if (persist == PCHILD) { /* wait for a signal then go again */
372     if (outfile != NULL)
373     close(duped1); /* release output handle */
374     pfhold();
375     tstart = time((time_t *)NULL); /* reinitialize */
376     raynum = nrays = 0;
377     goto runagain;
378     }
379     #endif
380 greg 2.16
381    
382     ray_done_pmap(); /* PMAP: free photon maps */
383    
384 greg 2.1 quit(0);
385    
386     badopt:
387     sprintf(errmsg, "command line error at '%s'", argv[i]);
388     error(USER, errmsg);
389 schorsch 2.8 return 1; /* pro forma return */
390 greg 2.1
391     #undef check
392 schorsch 2.18 #undef check_bool
393 greg 2.1 }
394    
395    
396     void
397 schorsch 2.8 wputs( /* warning output function */
398     char *s
399     )
400 greg 2.1 {
401     int lasterrno = errno;
402     eputs(s);
403     errno = lasterrno;
404     }
405    
406    
407     void
408 schorsch 2.8 eputs( /* put string to stderr */
409 greg 2.21 char *s
410 schorsch 2.8 )
411 greg 2.1 {
412     static int midline = 0;
413    
414     if (!*s)
415     return;
416     if (!midline++) {
417     fputs(progname, stderr);
418     fputs(": ", stderr);
419     }
420     fputs(s, stderr);
421     if (s[strlen(s)-1] == '\n') {
422     fflush(stderr);
423     midline = 0;
424     }
425     }
426    
427    
428 schorsch 2.8 static void
429     onsig( /* fatal signal */
430     int signo
431     )
432 greg 2.1 {
433     static int gotsig = 0;
434    
435     if (gotsig++) /* two signals and we're gone! */
436     _exit(signo);
437    
438 schorsch 2.4 #ifdef SIGALRM /* XXX how critical is this? */
439 greg 2.1 alarm(15); /* allow 15 seconds to clean up */
440     signal(SIGALRM, SIG_DFL); /* make certain we do die */
441 schorsch 2.4 #endif
442 greg 2.1 eputs("signal - ");
443     eputs(sigerr[signo]);
444     eputs("\n");
445     quit(3);
446     }
447    
448    
449 schorsch 2.8 static void
450     sigdie( /* set fatal signal */
451     int signo,
452     char *msg
453     )
454 greg 2.1 {
455     if (signal(signo, onsig) == SIG_IGN)
456     signal(signo, SIG_IGN);
457     sigerr[signo] = msg;
458     }
459    
460    
461 schorsch 2.8 static void
462     printdefaults(void) /* print default values to stdout */
463 greg 2.1 {
464     printf("-vt%c\t\t\t\t# view type %s\n", ourview.type,
465     ourview.type==VT_PER ? "perspective" :
466     ourview.type==VT_PAR ? "parallel" :
467     ourview.type==VT_HEM ? "hemispherical" :
468     ourview.type==VT_ANG ? "angular" :
469     ourview.type==VT_CYL ? "cylindrical" :
470 greg 2.14 ourview.type==VT_PLS ? "planisphere" :
471 greg 2.1 "unknown");
472     printf("-vp %f %f %f\t# view point\n",
473     ourview.vp[0], ourview.vp[1], ourview.vp[2]);
474     printf("-vd %f %f %f\t# view direction\n",
475     ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]);
476     printf("-vu %f %f %f\t# view up\n",
477     ourview.vup[0], ourview.vup[1], ourview.vup[2]);
478     printf("-vh %f\t\t\t# view horizontal size\n", ourview.horiz);
479     printf("-vv %f\t\t\t# view vertical size\n", ourview.vert);
480     printf("-vo %f\t\t\t# view fore clipping plane\n", ourview.vfore);
481     printf("-va %f\t\t\t# view aft clipping plane\n", ourview.vaft);
482     printf("-vs %f\t\t\t# view shift\n", ourview.hoff);
483     printf("-vl %f\t\t\t# view lift\n", ourview.voff);
484     printf("-x %-9d\t\t\t# x resolution\n", hresolu);
485     printf("-y %-9d\t\t\t# y resolution\n", vresolu);
486     printf("-pa %f\t\t\t# pixel aspect ratio\n", pixaspect);
487     printf("-pj %f\t\t\t# pixel jitter\n", dstrpix);
488     printf("-pm %f\t\t\t# pixel motion\n", mblur);
489 greg 2.9 printf("-pd %f\t\t\t# pixel depth-of-field\n", dblur);
490 greg 2.1 printf("-ps %-9d\t\t\t# pixel sample\n", psample);
491     printf("-pt %f\t\t\t# pixel threshold\n", maxdiff);
492     printf("-t %-9d\t\t\t# time between reports\n", ralrm);
493     printf(erract[WARNING].pf != NULL ?
494     "-w+\t\t\t\t# warning messages on\n" :
495     "-w-\t\t\t\t# warning messages off\n");
496     print_rdefaults();
497     }