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root/radiance/ray/src/hd/rholo.c
Revision: 3.3
Committed: Fri Oct 31 15:49:23 1997 UTC (26 years, 5 months ago) by gregl
Content type: text/plain
Branch: MAIN
Changes since 3.2: +27 -13 lines
Log Message:
bug fix in getradfile() for no variables to match

File Contents

# User Rev Content
1 gregl 3.1 /* Copyright (c) 1997 Silicon Graphics, Inc. */
2    
3     #ifndef lint
4     static char SCCSid[] = "$SunId$ SGI";
5     #endif
6    
7     /*
8     * Radiance holodeck generation controller
9     */
10    
11     #include "rholo.h"
12     #include "paths.h"
13     #include <sys/types.h>
14    
15     /* the following must be consistent with rholo.h */
16     int NVARS = NRHVARS; /* total number of variables */
17    
18     VARIABLE vv[] = RHVINIT; /* variable-value pairs */
19    
20     char *progname; /* our program name */
21     char *hdkfile; /* holodeck file name */
22     char froot[MAXPATH]; /* root file name */
23    
24     int nowarn = 0; /* turn warnings off? */
25    
26     double expval = 1.; /* global exposure value */
27    
28     int ncprocs = 0; /* desired number of compute processes */
29    
30     char *outdev = NULL; /* output device name */
31    
32     time_t starttime; /* time we got started */
33     time_t endtime; /* time we should end by */
34     time_t reporttime; /* time for next report */
35    
36     int rtargc = 1; /* rtrace command */
37     char *rtargv[128] = {"rtrace", NULL};
38    
39     long nraysdone = 0L; /* number of rays done */
40     long npacksdone = 0L; /* number of packets done */
41    
42     PACKET *freepacks; /* available packets */
43    
44     extern time_t time();
45    
46    
47     main(argc, argv)
48     int argc;
49     char *argv[];
50     {
51     HDGRID hdg;
52     int i;
53     int force = 0;
54 gregl 3.3 /* mark start time */
55     starttime = time(NULL);
56 gregl 3.1 progname = argv[0]; /* get arguments */
57     for (i = 1; i < argc && argv[i][0] == '-'; i++)
58     switch (argv[i][1]) {
59     case 'w': /* turn off warnings */
60     nowarn++;
61     break;
62     case 'f': /* force overwrite */
63     force++;
64     break;
65     case 'n': /* compute processes */
66     if (i >= argc-2)
67     goto userr;
68     ncprocs = atoi(argv[++i]);
69     break;
70     case 'o': /* output display */
71     if (i >= argc-2)
72     goto userr;
73     outdev = argv[++i];
74     break;
75     default:
76     goto userr;
77     }
78     /* do we have a job? */
79     if (outdev == NULL && ncprocs <= 0)
80     goto userr;
81     /* get root file name */
82     rootname(froot, hdkfile=argv[i++]);
83     /* load... */
84     if (i < argc) { /* variables */
85     loadvars(argv[i++]);
86     /* cmdline settings */
87     for ( ; i < argc; i++)
88     if (setvariable(argv[i], matchvar) < 0) {
89     sprintf(errmsg, "unknown variable: %s",
90     argv[i]);
91     error(USER, errmsg);
92     }
93     /* check settings */
94     checkvalues();
95     /* load RIF if any */
96     if (vdef(RIF))
97     getradfile(vval(RIF));
98     /* set defaults */
99     setdefaults(&hdg);
100     /* holodeck exists? */
101     if (!force && access(hdkfile, R_OK|W_OK) == 0)
102     error(USER,
103     "holodeck file exists -- use -f to overwrite");
104     /* create holodeck */
105     creatholo(&hdg);
106 gregl 3.3 } else { /* else load holodeck */
107 gregl 3.1 loadholo();
108 gregl 3.3 if (vdef(RIF)) /* load RIF if any */
109     getradfile(vval(RIF));
110     }
111 gregl 3.1 /* initialize */
112     initrholo();
113     /* run */
114     while (rholo())
115     ;
116     /* done */
117     quit(0);
118     userr:
119     fprintf(stderr,
120     "Usage: %s {-n nprocs|-o disp} [-w][-f] output.hdk [control.hif [VAR=val ..]]\n",
121     progname);
122     quit(1);
123     }
124    
125    
126     initrholo() /* get our holodeck running */
127     {
128     extern int global_packet();
129     register int i;
130     /* check output device */
131     if (outdev != NULL)
132     open_display(outdev);
133     else if (ncprocs > 0) /* else use global ray feed */
134     init_global();
135 gregl 3.3 /* record end time */
136 gregl 3.1 if (!vdef(TIME) || vflt(TIME) <= FTINY)
137     endtime = 0;
138     else
139     endtime = starttime + vflt(TIME)*3600.;
140     /* set up memory cache */
141     hdcachesize = 1024.*1024.*vflt(CACHE);
142     /* open report file */
143     if (vdef(REPORT)) {
144     register char *s = sskip2(vval(REPORT), 1);
145     if (*s && freopen(s, "a", stderr) == NULL)
146     quit(2);
147     }
148     /* start rtrace */
149     if (ncprocs > 0) {
150     i = start_rtrace();
151     if (i < 1)
152     error(USER, "cannot start rtrace process");
153     if (vdef(REPORT)) { /* make first report */
154     printargs(rtargc, rtargv, stderr);
155     report(0);
156     }
157     /* allocate packets */
158     freepacks = (PACKET *)bmalloc(i*sizeof(PACKET));
159     if (freepacks == NULL)
160     goto memerr;
161     freepacks[--i].nr = 0;
162     freepacks[i].next = NULL;
163     if (!vbool(OBSTRUCTIONS)) {
164     freepacks[i].offset = (float *)bmalloc(
165     RPACKSIZ*sizeof(float)*(i+1) );
166     if (freepacks[i].offset == NULL)
167     goto memerr;
168     } else
169     freepacks[i].offset = NULL;
170     while (i--) {
171     freepacks[i].nr = 0;
172     freepacks[i].offset = freepacks[i+1].offset == NULL ?
173     NULL : freepacks[i+1].offset+RPACKSIZ ;
174     freepacks[i].next = &freepacks[i+1];
175     }
176     }
177     return;
178     memerr:
179     error(SYSTEM, "out of memory in initrholo");
180     }
181    
182    
183     rholo() /* holodeck main loop */
184     {
185     static int idle = 1;
186     PACKET *pl = NULL, *plend;
187     register PACKET *p;
188     time_t t;
189     long l;
190     /* check display */
191     if (outdev != NULL && !disp_check(idle))
192     return(0);
193     /* display only? */
194     if (ncprocs <= 0)
195     return(1);
196     /* check file size */
197 gregl 3.2 if ((l = 1024.*1024.*vflt(DISKSPACE)) > 0 &&
198 gregl 3.1 hdfiluse(hdlist[0]->fd, 0) + hdmemuse(0) >= l)
199     return(0);
200     /* check time */
201 gregl 3.3 if (endtime > 0 || reporttime > 0)
202 gregl 3.1 t = time(NULL);
203     if (endtime > 0 && t >= endtime)
204     return(0);
205 gregl 3.3 if (reporttime > 0 && t >= reporttime)
206 gregl 3.1 report(t);
207     /* get packets to process */
208     while (freepacks != NULL) {
209     p = freepacks; freepacks = p->next; p->next = NULL;
210     if (!next_packet(p)) {
211     p->next = freepacks; freepacks = p;
212     break;
213     }
214     if (pl == NULL) pl = p;
215     else plend->next = p;
216     plend = p;
217     }
218     idle = pl == NULL && freepacks != NULL;
219     /* are we out of stuff to do? */
220     if (idle && outdev == NULL)
221     return(0);
222     /* else process packets */
223     done_packets(do_packets(pl));
224     return(1); /* and continue */
225     }
226    
227    
228     report(t) /* report progress so far */
229     time_t t;
230     {
231     if (t == 0)
232     t = time(NULL);
233 gregl 3.2 fprintf(stderr, "%s: %ld packets (%ld rays) done after %.2f hours\n",
234 gregl 3.1 progname, npacksdone, nraysdone, (t-starttime)/3600.);
235 gregl 3.2 fflush(stderr);
236 gregl 3.3 if (vdef(REPORT))
237     reporttime = t + (time_t)(vflt(REPORT)*60.+.5);
238 gregl 3.1 }
239    
240    
241     setdefaults(gp) /* set default values */
242     register HDGRID *gp;
243     {
244     extern char *atos();
245     register int i;
246     double len[3], maxlen, d;
247     char buf[64];
248    
249     if (!vdef(SECTION)) {
250     sprintf(errmsg, "%s must be defined", vnam(SECTION));
251     error(USER, errmsg);
252     }
253     if (vdef(SECTION) > 1) {
254     sprintf(errmsg, "ignoring all but first %s", vnam(SECTION));
255     error(WARNING, errmsg);
256     }
257     if (sscanf(vval(SECTION),
258     "%lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf",
259     &gp->orig[0], &gp->orig[1], &gp->orig[2],
260     &gp->xv[0][0], &gp->xv[0][1], &gp->xv[0][2],
261     &gp->xv[1][0], &gp->xv[1][1], &gp->xv[1][2],
262     &gp->xv[2][0], &gp->xv[2][1], &gp->xv[2][2]) != 12)
263     badvalue(SECTION);
264     maxlen = 0.;
265     for (i = 0; i < 3; i++)
266     if ((len[i] = VLEN(gp->xv[i])) > maxlen)
267     maxlen = len[i];
268     if (!vdef(GRID)) {
269 gregl 3.2 sprintf(buf, "%.4f", maxlen/8.);
270 gregl 3.1 vval(GRID) = savqstr(buf);
271     vdef(GRID)++;
272     }
273     if ((d = vflt(GRID)) <= FTINY)
274     badvalue(GRID);
275     for (i = 0; i < 3; i++)
276     gp->grid[i] = len[i]/d + (1.-FTINY);
277     if (!vdef(EXPOSURE)) {
278     sprintf(errmsg, "%s must be defined", vnam(EXPOSURE));
279     error(USER, errmsg);
280     }
281     expval = vval(EXPOSURE)[0] == '-' || vval(EXPOSURE)[0] == '+' ?
282     pow(2., vflt(EXPOSURE)) : vflt(EXPOSURE);
283     if (!vdef(OCTREE)) {
284     if ((vval(OCTREE) = bmalloc(strlen(froot)+5)) == NULL)
285     error(SYSTEM, "out of memory");
286     sprintf(vval(OCTREE), "%s.oct", froot);
287     vdef(OCTREE)++;
288     }
289     if (!vdef(DISKSPACE)) {
290     sprintf(errmsg,
291     "no %s setting, assuming 100 Mbytes available",
292     vnam(DISKSPACE));
293     error(WARNING, errmsg);
294     vval(DISKSPACE) = "100";
295     vdef(DISKSPACE)++;
296     }
297     if (!vdef(CACHE)) {
298     sprintf(errmsg,
299     "no %s setting, assuming 10 Mbytes available",
300     vnam(CACHE));
301     error(WARNING, errmsg);
302     vval(CACHE) = "10";
303     vdef(CACHE)++;
304     }
305     if (!vdef(OBSTRUCTIONS)) {
306     vval(OBSTRUCTIONS) = "T";
307     vdef(OBSTRUCTIONS)++;
308     }
309     if (!vdef(OCCUPANCY)) {
310     vval(OCCUPANCY) = "U";
311     vdef(OCCUPANCY)++;
312     }
313     /* append rendering options */
314     if (vdef(RENDER))
315     rtargc += wordstring(rtargv+rtargc, vval(RENDER));
316     }
317    
318    
319     creatholo(gp) /* create a holodeck output file */
320     HDGRID *gp;
321     {
322     long endloc = 0;
323     FILE *fp;
324     /* open & truncate file */
325     if ((fp = fopen(hdkfile, "w+")) == NULL) {
326     sprintf(errmsg, "cannot open \"%s\" for writing", hdkfile);
327     error(SYSTEM, errmsg);
328     }
329     /* write information header */
330     newheader("RADIANCE", fp);
331     printvars(fp);
332     fputformat(HOLOFMT, fp);
333     fputc('\n', fp);
334     putw(HOLOMAGIC, fp); /* put magic number & terminus */
335     fwrite(&endloc, sizeof(long), 1, fp);
336     fflush(fp); /* flush buffer */
337 gregl 3.2 hdinit(fileno(fp), gp); /* allocate and initialize index */
338 gregl 3.1 /* we're dropping fp here.... */
339     }
340    
341    
342     headline(s) /* process information header line */
343     char *s;
344     {
345     extern char FMTSTR[];
346     register char *cp;
347     char fmt[32];
348    
349 gregl 3.2 if (formatval(fmt, s)) {
350 gregl 3.1 if (strcmp(fmt, HOLOFMT)) {
351     sprintf(errmsg, "%s file \"%s\" has %s%s",
352     HOLOFMT, hdkfile, FMTSTR, fmt);
353     error(USER, errmsg);
354     }
355     return;
356     }
357     for (cp = s; *cp; cp++) /* take off any comments */
358     if (*cp == '#') {
359     *cp = '\0';
360     break;
361     }
362     setvariable(s, matchvar); /* don't flag errors */
363     }
364    
365    
366     loadholo() /* start loading a holodeck from fname */
367     {
368     FILE *fp;
369     long endloc;
370     /* open input file */
371     if ((fp = fopen(hdkfile, "r+")) == NULL) {
372     sprintf(errmsg, "cannot open \"%s\" for appending", hdkfile);
373     error(SYSTEM, errmsg);
374     }
375     /* load variables from header */
376     getheader(fp, headline, NULL);
377     /* check magic number */
378     if (getw(fp) != HOLOMAGIC) {
379     sprintf(errmsg, "bad magic number in holodeck file \"%s\"",
380     hdkfile);
381     error(USER, errmsg);
382     }
383     fread(&endloc, sizeof(long), 1, fp);
384     if (endloc != 0)
385     error(WARNING, "ignoring multiple sections in holodeck file");
386     fseek(fp, 0L, 1); /* align system file pointer */
387 gregl 3.2 hdinit(fileno(fp), NULL); /* allocate and load index */
388 gregl 3.1 /* we're dropping fp here.... */
389     }
390    
391    
392     done_packets(pl) /* handle finished packets */
393     PACKET *pl;
394     {
395     register PACKET *p;
396    
397     while (pl != NULL) {
398     p = pl; pl = p->next; p->next = NULL;
399     if (p->nr > 0) { /* add to holodeck */
400     bcopy((char *)p->ra,
401     (char *)hdnewrays(hdlist[p->hd],p->bi,p->nr),
402     p->nr*sizeof(RAYVAL));
403     if (outdev != NULL) /* display it */
404     disp_packet(p);
405     }
406     nraysdone += p->nr;
407     npacksdone++;
408     p->nr = 0; /* push onto free list */
409     p->next = freepacks;
410     freepacks = p;
411     }
412     }
413    
414    
415     getradfile(rfargs) /* run rad and get needed variables */
416     char *rfargs;
417     {
418 gregl 3.2 static short mvar[] = {VIEW,OCTREE,EXPOSURE,-1};
419 gregl 3.1 static char tf1[] = TEMPLATE;
420     char tf2[64];
421     char combuf[256];
422 gregl 3.3 char *pippt;
423 gregl 3.1 register int i;
424     register char *cp;
425     /* create rad command */
426     mktemp(tf1);
427     sprintf(tf2, "%s.rif", tf1);
428     sprintf(combuf,
429     "rad -v 0 -s -e -w %s OPTFILE=%s | egrep '^[ \t]*(NOMATCH",
430     rfargs, tf1);
431     cp = combuf;
432 gregl 3.3 while (*cp){
433     if (*cp == '|') pippt = cp;
434     cp++;
435     } /* match unset variables */
436 gregl 3.1 for (i = 0; mvar[i] >= 0; i++)
437     if (!vdef(mvar[i])) {
438     *cp++ = '|';
439     strcpy(cp, vnam(mvar[i]));
440     while (*cp) cp++;
441 gregl 3.3 pippt = NULL;
442 gregl 3.1 }
443 gregl 3.3 if (pippt != NULL)
444     strcpy(pippt, "> /dev/null"); /* nothing to match */
445     else
446     sprintf(cp, ")[ \t]*=' > %s", tf2);
447 gregl 3.1 if (system(combuf)) {
448     error(SYSTEM, "cannot execute rad command");
449     unlink(tf2); /* clean up */
450     unlink(tf1);
451     quit(1);
452     }
453 gregl 3.3 if (pippt == NULL) {
454     loadvars(tf2); /* load variables */
455     unlink(tf2);
456     }
457 gregl 3.1 rtargc += wordfile(rtargv+rtargc, tf1); /* get rtrace options */
458 gregl 3.3 unlink(tf1); /* clean up */
459 gregl 3.1 }
460    
461    
462     rootname(rn, fn) /* remove tail from end of fn */
463     register char *rn, *fn;
464     {
465     char *tp, *dp;
466    
467     for (tp = NULL, dp = rn; *rn = *fn++; rn++)
468     if (ISDIRSEP(*rn))
469     dp = rn;
470     else if (*rn == '.')
471     tp = rn;
472     if (tp != NULL && tp > dp)
473     *tp = '\0';
474     }
475    
476    
477     badvalue(vc) /* report bad variable value and exit */
478     int vc;
479     {
480     sprintf(errmsg, "bad value for variable '%s'", vnam(vc));
481     error(USER, errmsg);
482     }
483    
484    
485     eputs(s) /* put error message to stderr */
486     register char *s;
487     {
488     static int midline = 0;
489    
490     if (!*s)
491     return;
492     if (!midline++) { /* prepend line with program name */
493     fputs(progname, stderr);
494     fputs(": ", stderr);
495     }
496     fputs(s, stderr);
497     if (s[strlen(s)-1] == '\n') {
498     fflush(stderr);
499     midline = 0;
500     }
501     }
502    
503    
504     wputs(s) /* put warning string to stderr */
505     char *s;
506     {
507     if (!nowarn)
508     eputs(s);
509     }
510    
511    
512     quit(ec) /* exit program gracefully */
513     int ec;
514     {
515     int status = 0;
516    
517     if (hdlist[0] != NULL) { /* flush holodeck */
518     if (ncprocs > 0) {
519     done_packets(flush_queue());
520     status = end_rtrace(); /* close rtrace */
521     hdflush(NULL);
522     if (vdef(REPORT)) {
523     long fsiz, fuse;
524     report(0);
525     fsiz = lseek(hdlist[0]->fd, 0L, 2);
526     fuse = hdfiluse(hdlist[0]->fd, 1);
527     fprintf(stderr,
528 gregl 3.3 "%s: %.1f Mbyte holodeck file, %.1f%% fragmentation\n",
529 gregl 3.1 hdkfile, fsiz/(1024.*1024.),
530     100.*(fsiz-fuse)/fsiz);
531     }
532     } else
533     hdflush(NULL);
534     }
535     exit(ec ? ec : status); /* exit */
536     }