1 |
greg |
2.1 |
#ifndef lint |
2 |
greg |
2.9 |
static const char RCSid[] = "$Id: rpmain.c,v 2.8 2004/03/30 16:13:01 schorsch 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 |
schorsch |
2.3 |
#include <sys/types.h> |
11 |
|
|
#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 |
|
|
|
22 |
|
|
/* persistent processes define */ |
23 |
|
|
#ifdef F_SETLKW |
24 |
|
|
#define PERSIST 1 /* normal persist */ |
25 |
|
|
#define PARALLEL 2 /* parallel persist */ |
26 |
|
|
#define PCHILD 3 /* child of normal persist */ |
27 |
|
|
#endif |
28 |
|
|
|
29 |
|
|
char *progname; /* argv[0] */ |
30 |
|
|
char *octname; /* octree name */ |
31 |
|
|
char *sigerr[NSIG]; /* signal error messages */ |
32 |
|
|
char *shm_boundary = NULL; /* boundary of shared memory */ |
33 |
|
|
char *errfile = NULL; /* error output file */ |
34 |
|
|
|
35 |
|
|
extern time_t time(); |
36 |
|
|
extern time_t tstart; /* start time */ |
37 |
|
|
|
38 |
|
|
extern int ralrm; /* seconds between reports */ |
39 |
|
|
|
40 |
|
|
extern VIEW ourview; /* viewing parameters */ |
41 |
|
|
|
42 |
|
|
extern int hresolu; /* horizontal resolution */ |
43 |
|
|
extern int vresolu; /* vertical resolution */ |
44 |
|
|
extern double pixaspect; /* pixel aspect ratio */ |
45 |
|
|
|
46 |
|
|
extern int psample; /* pixel sample size */ |
47 |
|
|
extern double maxdiff; /* max. sample difference */ |
48 |
|
|
extern double dstrpix; /* square pixel distribution */ |
49 |
|
|
|
50 |
|
|
extern double mblur; /* motion blur parameter */ |
51 |
|
|
|
52 |
greg |
2.9 |
extern double dblur; /* depth-of-field blur parameter */ |
53 |
|
|
|
54 |
schorsch |
2.8 |
static void onsig(int signo); |
55 |
|
|
static void sigdie(int signo, char *msg); |
56 |
|
|
static void printdefaults(void); |
57 |
greg |
2.1 |
|
58 |
|
|
|
59 |
|
|
int |
60 |
schorsch |
2.8 |
main(int argc, char *argv[]) |
61 |
greg |
2.1 |
{ |
62 |
|
|
#define check(ol,al) if (argv[i][ol] || \ |
63 |
|
|
badarg(argc-i-1,argv+i+1,al)) \ |
64 |
|
|
goto badopt |
65 |
|
|
#define bool(olen,var) switch (argv[i][olen]) { \ |
66 |
|
|
case '\0': var = !var; break; \ |
67 |
|
|
case 'y': case 'Y': case 't': case 'T': \ |
68 |
|
|
case '+': case '1': var = 1; break; \ |
69 |
|
|
case 'n': case 'N': case 'f': case 'F': \ |
70 |
|
|
case '-': case '0': var = 0; break; \ |
71 |
|
|
default: goto badopt; } |
72 |
|
|
char *err; |
73 |
|
|
char *recover = NULL; |
74 |
|
|
char *outfile = NULL; |
75 |
|
|
char *zfile = NULL; |
76 |
|
|
int loadflags = ~IO_FILES; |
77 |
|
|
int seqstart = 0; |
78 |
|
|
int persist = 0; |
79 |
|
|
int duped1; |
80 |
|
|
int rval; |
81 |
|
|
int i; |
82 |
|
|
/* record start time */ |
83 |
|
|
tstart = time((time_t *)NULL); |
84 |
|
|
/* global program name */ |
85 |
|
|
progname = argv[0] = fixargv0(argv[0]); |
86 |
|
|
/* option city */ |
87 |
|
|
for (i = 1; i < argc; i++) { |
88 |
|
|
/* expand arguments */ |
89 |
|
|
while ((rval = expandarg(&argc, &argv, i)) > 0) |
90 |
|
|
; |
91 |
|
|
if (rval < 0) { |
92 |
|
|
sprintf(errmsg, "cannot expand '%s'", argv[i]); |
93 |
|
|
error(SYSTEM, errmsg); |
94 |
|
|
} |
95 |
|
|
if (argv[i] == NULL || argv[i][0] != '-') |
96 |
|
|
break; /* break from options */ |
97 |
|
|
if (!strcmp(argv[i], "-version")) { |
98 |
|
|
puts(VersionID); |
99 |
|
|
quit(0); |
100 |
|
|
} |
101 |
|
|
if (!strcmp(argv[i], "-defaults") || |
102 |
|
|
!strcmp(argv[i], "-help")) { |
103 |
|
|
printdefaults(); |
104 |
|
|
quit(0); |
105 |
|
|
} |
106 |
|
|
rval = getrenderopt(argc-i, argv+i); |
107 |
|
|
if (rval >= 0) { |
108 |
|
|
i += rval; |
109 |
|
|
continue; |
110 |
|
|
} |
111 |
|
|
rval = getviewopt(&ourview, argc-i, argv+i); |
112 |
|
|
if (rval >= 0) { |
113 |
|
|
i += rval; |
114 |
|
|
continue; |
115 |
|
|
} |
116 |
|
|
/* rpict options */ |
117 |
|
|
switch (argv[i][1]) { |
118 |
|
|
case 'v': /* view file */ |
119 |
|
|
if (argv[i][2] != 'f') |
120 |
|
|
goto badopt; |
121 |
|
|
check(3,"s"); |
122 |
|
|
rval = viewfile(argv[++i], &ourview, NULL); |
123 |
|
|
if (rval < 0) { |
124 |
|
|
sprintf(errmsg, |
125 |
|
|
"cannot open view file \"%s\"", |
126 |
|
|
argv[i]); |
127 |
|
|
error(SYSTEM, errmsg); |
128 |
|
|
} else if (rval == 0) { |
129 |
|
|
sprintf(errmsg, |
130 |
|
|
"bad view file \"%s\"", |
131 |
|
|
argv[i]); |
132 |
|
|
error(USER, errmsg); |
133 |
|
|
} |
134 |
|
|
break; |
135 |
|
|
case 'p': /* pixel */ |
136 |
|
|
switch (argv[i][2]) { |
137 |
|
|
case 's': /* sample */ |
138 |
|
|
check(3,"i"); |
139 |
|
|
psample = atoi(argv[++i]); |
140 |
|
|
break; |
141 |
|
|
case 't': /* threshold */ |
142 |
|
|
check(3,"f"); |
143 |
|
|
maxdiff = atof(argv[++i]); |
144 |
|
|
break; |
145 |
|
|
case 'j': /* jitter */ |
146 |
|
|
check(3,"f"); |
147 |
|
|
dstrpix = atof(argv[++i]); |
148 |
|
|
break; |
149 |
|
|
case 'a': /* aspect */ |
150 |
|
|
check(3,"f"); |
151 |
|
|
pixaspect = atof(argv[++i]); |
152 |
|
|
break; |
153 |
|
|
case 'm': /* motion */ |
154 |
|
|
check(3,"f"); |
155 |
|
|
mblur = atof(argv[++i]); |
156 |
|
|
break; |
157 |
greg |
2.9 |
case 'd': /* aperture */ |
158 |
|
|
check(3,"f"); |
159 |
|
|
dblur = atof(argv[++i]); |
160 |
|
|
break; |
161 |
greg |
2.1 |
default: |
162 |
|
|
goto badopt; |
163 |
|
|
} |
164 |
|
|
break; |
165 |
|
|
case 'x': /* x resolution */ |
166 |
|
|
check(2,"i"); |
167 |
|
|
hresolu = atoi(argv[++i]); |
168 |
|
|
break; |
169 |
|
|
case 'y': /* y resolution */ |
170 |
|
|
check(2,"i"); |
171 |
|
|
vresolu = atoi(argv[++i]); |
172 |
|
|
break; |
173 |
|
|
case 'S': /* slave index */ |
174 |
|
|
check(2,"i"); |
175 |
|
|
seqstart = atoi(argv[++i]); |
176 |
|
|
break; |
177 |
|
|
case 'o': /* output file */ |
178 |
|
|
check(2,"s"); |
179 |
|
|
outfile = argv[++i]; |
180 |
|
|
break; |
181 |
|
|
case 'z': /* z file */ |
182 |
|
|
check(2,"s"); |
183 |
|
|
zfile = argv[++i]; |
184 |
|
|
break; |
185 |
|
|
case 'r': /* recover file */ |
186 |
|
|
if (argv[i][2] == 'o') { /* +output */ |
187 |
|
|
check(3,"s"); |
188 |
|
|
outfile = argv[i+1]; |
189 |
|
|
} else |
190 |
|
|
check(2,"s"); |
191 |
|
|
recover = argv[++i]; |
192 |
|
|
break; |
193 |
|
|
case 't': /* timer */ |
194 |
|
|
check(2,"i"); |
195 |
|
|
ralrm = atoi(argv[++i]); |
196 |
|
|
break; |
197 |
|
|
#ifdef PERSIST |
198 |
|
|
case 'P': /* persist file */ |
199 |
|
|
if (argv[i][2] == 'P') { |
200 |
|
|
check(3,"s"); |
201 |
|
|
persist = PARALLEL; |
202 |
|
|
} else { |
203 |
|
|
check(2,"s"); |
204 |
|
|
persist = PERSIST; |
205 |
|
|
} |
206 |
|
|
persistfile(argv[++i]); |
207 |
|
|
break; |
208 |
|
|
#endif |
209 |
|
|
case 'w': /* warnings */ |
210 |
|
|
rval = erract[WARNING].pf != NULL; |
211 |
|
|
bool(2,rval); |
212 |
|
|
if (rval) erract[WARNING].pf = wputs; |
213 |
|
|
else erract[WARNING].pf = NULL; |
214 |
|
|
break; |
215 |
|
|
case 'e': /* error file */ |
216 |
|
|
check(2,"s"); |
217 |
|
|
errfile = argv[++i]; |
218 |
|
|
break; |
219 |
|
|
default: |
220 |
|
|
goto badopt; |
221 |
|
|
} |
222 |
|
|
} |
223 |
|
|
err = setview(&ourview); /* set viewing parameters */ |
224 |
|
|
if (err != NULL) |
225 |
|
|
error(USER, err); |
226 |
|
|
/* initialize object types */ |
227 |
|
|
initotypes(); |
228 |
|
|
/* initialize urand */ |
229 |
|
|
initurand(2048); |
230 |
|
|
/* set up signal handling */ |
231 |
|
|
sigdie(SIGINT, "Interrupt"); |
232 |
schorsch |
2.4 |
#ifdef SIGHUP |
233 |
greg |
2.1 |
sigdie(SIGHUP, "Hangup"); |
234 |
schorsch |
2.4 |
#endif |
235 |
greg |
2.1 |
sigdie(SIGTERM, "Terminate"); |
236 |
schorsch |
2.4 |
#ifdef SIGPIPE |
237 |
greg |
2.1 |
sigdie(SIGPIPE, "Broken pipe"); |
238 |
schorsch |
2.4 |
#endif |
239 |
|
|
#ifdef SIGALRM |
240 |
greg |
2.1 |
sigdie(SIGALRM, "Alarm clock"); |
241 |
schorsch |
2.4 |
#endif |
242 |
greg |
2.1 |
#ifdef SIGXCPU |
243 |
|
|
sigdie(SIGXCPU, "CPU limit exceeded"); |
244 |
|
|
sigdie(SIGXFSZ, "File size exceeded"); |
245 |
|
|
#endif |
246 |
|
|
/* open error file */ |
247 |
|
|
if (errfile != NULL) { |
248 |
|
|
if (freopen(errfile, "a", stderr) == NULL) |
249 |
|
|
quit(2); |
250 |
|
|
fprintf(stderr, "**************\n*** PID %5d: ", |
251 |
|
|
getpid()); |
252 |
|
|
printargs(argc, argv, stderr); |
253 |
|
|
putc('\n', stderr); |
254 |
|
|
fflush(stderr); |
255 |
|
|
} |
256 |
|
|
#ifdef NICE |
257 |
|
|
nice(NICE); /* lower priority */ |
258 |
|
|
#endif |
259 |
|
|
/* get octree */ |
260 |
|
|
if (i == argc) |
261 |
|
|
octname = NULL; |
262 |
|
|
else if (i == argc-1) |
263 |
|
|
octname = argv[i]; |
264 |
|
|
else |
265 |
|
|
goto badopt; |
266 |
|
|
if (seqstart > 0 && octname == NULL) |
267 |
|
|
error(USER, "missing octree argument"); |
268 |
|
|
/* set up output */ |
269 |
|
|
#ifdef PERSIST |
270 |
|
|
if (persist) { |
271 |
|
|
if (recover != NULL) |
272 |
|
|
error(USER, "persist option used with recover file"); |
273 |
|
|
if (seqstart <= 0) |
274 |
|
|
error(USER, "persist option only for sequences"); |
275 |
|
|
if (outfile == NULL) |
276 |
|
|
duped1 = dup(fileno(stdout)); /* don't lose our output */ |
277 |
|
|
openheader(); |
278 |
|
|
} else |
279 |
|
|
#endif |
280 |
|
|
if (outfile != NULL) |
281 |
|
|
openheader(); |
282 |
schorsch |
2.3 |
#ifdef _WIN32 |
283 |
|
|
SET_FILE_BINARY(stdout); |
284 |
greg |
2.1 |
if (octname == NULL) |
285 |
schorsch |
2.3 |
SET_FILE_BINARY(stdin); |
286 |
greg |
2.1 |
#endif |
287 |
|
|
readoct(octname, loadflags, &thescene, NULL); |
288 |
|
|
nsceneobjs = nobjects; |
289 |
|
|
|
290 |
|
|
if (loadflags & IO_INFO) { /* print header */ |
291 |
|
|
printargs(i, argv, stdout); |
292 |
|
|
printf("SOFTWARE= %s\n", VersionID); |
293 |
|
|
} |
294 |
|
|
|
295 |
|
|
marksources(); /* find and mark sources */ |
296 |
|
|
|
297 |
|
|
setambient(); /* initialize ambient calculation */ |
298 |
|
|
|
299 |
|
|
#ifdef PERSIST |
300 |
|
|
if (persist) { |
301 |
|
|
fflush(stdout); |
302 |
|
|
if (outfile == NULL) { /* reconnect stdout */ |
303 |
|
|
dup2(duped1, fileno(stdout)); |
304 |
|
|
close(duped1); |
305 |
|
|
} |
306 |
|
|
if (persist == PARALLEL) { /* multiprocessing */ |
307 |
|
|
preload_objs(); /* preload scene */ |
308 |
|
|
shm_boundary = (char *)malloc(16); |
309 |
|
|
strcpy(shm_boundary, "SHM_BOUNDARY"); |
310 |
|
|
while ((rval=fork()) == 0) { /* keep on forkin' */ |
311 |
|
|
pflock(1); |
312 |
|
|
pfhold(); |
313 |
|
|
tstart = time((time_t *)NULL); |
314 |
|
|
} |
315 |
|
|
if (rval < 0) |
316 |
|
|
error(SYSTEM, "cannot fork child for persist function"); |
317 |
|
|
pfdetach(); /* parent exits */ |
318 |
|
|
} |
319 |
|
|
} |
320 |
|
|
runagain: |
321 |
schorsch |
2.7 |
if (persist) { |
322 |
greg |
2.1 |
if (outfile == NULL) /* if out to stdout */ |
323 |
|
|
dupheader(); /* send header */ |
324 |
|
|
else /* if out to file */ |
325 |
|
|
duped1 = dup(fileno(stdout)); /* hang onto pipe */ |
326 |
schorsch |
2.7 |
} |
327 |
greg |
2.1 |
#endif |
328 |
|
|
/* batch render picture(s) */ |
329 |
|
|
rpict(seqstart, outfile, zfile, recover); |
330 |
|
|
/* flush ambient file */ |
331 |
|
|
ambsync(); |
332 |
|
|
#ifdef PERSIST |
333 |
|
|
if (persist == PERSIST) { /* first run-through */ |
334 |
|
|
if ((rval=fork()) == 0) { /* child loops until killed */ |
335 |
|
|
pflock(1); |
336 |
|
|
persist = PCHILD; |
337 |
|
|
} else { /* original process exits */ |
338 |
|
|
if (rval < 0) |
339 |
|
|
error(SYSTEM, "cannot fork child for persist function"); |
340 |
|
|
pfdetach(); /* parent exits */ |
341 |
|
|
} |
342 |
|
|
} |
343 |
|
|
if (persist == PCHILD) { /* wait for a signal then go again */ |
344 |
|
|
if (outfile != NULL) |
345 |
|
|
close(duped1); /* release output handle */ |
346 |
|
|
pfhold(); |
347 |
|
|
tstart = time((time_t *)NULL); /* reinitialize */ |
348 |
|
|
raynum = nrays = 0; |
349 |
|
|
goto runagain; |
350 |
|
|
} |
351 |
|
|
#endif |
352 |
|
|
quit(0); |
353 |
|
|
|
354 |
|
|
badopt: |
355 |
|
|
sprintf(errmsg, "command line error at '%s'", argv[i]); |
356 |
|
|
error(USER, errmsg); |
357 |
schorsch |
2.8 |
return 1; /* pro forma return */ |
358 |
greg |
2.1 |
|
359 |
|
|
#undef check |
360 |
|
|
#undef bool |
361 |
|
|
} |
362 |
|
|
|
363 |
|
|
|
364 |
|
|
void |
365 |
schorsch |
2.8 |
wputs( /* warning output function */ |
366 |
|
|
char *s |
367 |
|
|
) |
368 |
greg |
2.1 |
{ |
369 |
|
|
int lasterrno = errno; |
370 |
|
|
eputs(s); |
371 |
|
|
errno = lasterrno; |
372 |
|
|
} |
373 |
|
|
|
374 |
|
|
|
375 |
|
|
void |
376 |
schorsch |
2.8 |
eputs( /* put string to stderr */ |
377 |
|
|
register char *s |
378 |
|
|
) |
379 |
greg |
2.1 |
{ |
380 |
|
|
static int midline = 0; |
381 |
|
|
|
382 |
|
|
if (!*s) |
383 |
|
|
return; |
384 |
|
|
if (!midline++) { |
385 |
|
|
fputs(progname, stderr); |
386 |
|
|
fputs(": ", stderr); |
387 |
|
|
} |
388 |
|
|
fputs(s, stderr); |
389 |
|
|
if (s[strlen(s)-1] == '\n') { |
390 |
|
|
fflush(stderr); |
391 |
|
|
midline = 0; |
392 |
|
|
} |
393 |
|
|
} |
394 |
|
|
|
395 |
|
|
|
396 |
schorsch |
2.8 |
static void |
397 |
|
|
onsig( /* fatal signal */ |
398 |
|
|
int signo |
399 |
|
|
) |
400 |
greg |
2.1 |
{ |
401 |
|
|
static int gotsig = 0; |
402 |
|
|
|
403 |
|
|
if (gotsig++) /* two signals and we're gone! */ |
404 |
|
|
_exit(signo); |
405 |
|
|
|
406 |
schorsch |
2.4 |
#ifdef SIGALRM /* XXX how critical is this? */ |
407 |
greg |
2.1 |
alarm(15); /* allow 15 seconds to clean up */ |
408 |
|
|
signal(SIGALRM, SIG_DFL); /* make certain we do die */ |
409 |
schorsch |
2.4 |
#endif |
410 |
greg |
2.1 |
eputs("signal - "); |
411 |
|
|
eputs(sigerr[signo]); |
412 |
|
|
eputs("\n"); |
413 |
|
|
quit(3); |
414 |
|
|
} |
415 |
|
|
|
416 |
|
|
|
417 |
schorsch |
2.8 |
static void |
418 |
|
|
sigdie( /* set fatal signal */ |
419 |
|
|
int signo, |
420 |
|
|
char *msg |
421 |
|
|
) |
422 |
greg |
2.1 |
{ |
423 |
|
|
if (signal(signo, onsig) == SIG_IGN) |
424 |
|
|
signal(signo, SIG_IGN); |
425 |
|
|
sigerr[signo] = msg; |
426 |
|
|
} |
427 |
|
|
|
428 |
|
|
|
429 |
schorsch |
2.8 |
static void |
430 |
|
|
printdefaults(void) /* print default values to stdout */ |
431 |
greg |
2.1 |
{ |
432 |
|
|
printf("-vt%c\t\t\t\t# view type %s\n", ourview.type, |
433 |
|
|
ourview.type==VT_PER ? "perspective" : |
434 |
|
|
ourview.type==VT_PAR ? "parallel" : |
435 |
|
|
ourview.type==VT_HEM ? "hemispherical" : |
436 |
|
|
ourview.type==VT_ANG ? "angular" : |
437 |
|
|
ourview.type==VT_CYL ? "cylindrical" : |
438 |
|
|
"unknown"); |
439 |
|
|
printf("-vp %f %f %f\t# view point\n", |
440 |
|
|
ourview.vp[0], ourview.vp[1], ourview.vp[2]); |
441 |
|
|
printf("-vd %f %f %f\t# view direction\n", |
442 |
|
|
ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]); |
443 |
|
|
printf("-vu %f %f %f\t# view up\n", |
444 |
|
|
ourview.vup[0], ourview.vup[1], ourview.vup[2]); |
445 |
|
|
printf("-vh %f\t\t\t# view horizontal size\n", ourview.horiz); |
446 |
|
|
printf("-vv %f\t\t\t# view vertical size\n", ourview.vert); |
447 |
|
|
printf("-vo %f\t\t\t# view fore clipping plane\n", ourview.vfore); |
448 |
|
|
printf("-va %f\t\t\t# view aft clipping plane\n", ourview.vaft); |
449 |
|
|
printf("-vs %f\t\t\t# view shift\n", ourview.hoff); |
450 |
|
|
printf("-vl %f\t\t\t# view lift\n", ourview.voff); |
451 |
|
|
printf("-x %-9d\t\t\t# x resolution\n", hresolu); |
452 |
|
|
printf("-y %-9d\t\t\t# y resolution\n", vresolu); |
453 |
|
|
printf("-pa %f\t\t\t# pixel aspect ratio\n", pixaspect); |
454 |
|
|
printf("-pj %f\t\t\t# pixel jitter\n", dstrpix); |
455 |
|
|
printf("-pm %f\t\t\t# pixel motion\n", mblur); |
456 |
greg |
2.9 |
printf("-pd %f\t\t\t# pixel depth-of-field\n", dblur); |
457 |
greg |
2.1 |
printf("-ps %-9d\t\t\t# pixel sample\n", psample); |
458 |
|
|
printf("-pt %f\t\t\t# pixel threshold\n", maxdiff); |
459 |
|
|
printf("-t %-9d\t\t\t# time between reports\n", ralrm); |
460 |
|
|
printf(erract[WARNING].pf != NULL ? |
461 |
|
|
"-w+\t\t\t\t# warning messages on\n" : |
462 |
|
|
"-w-\t\t\t\t# warning messages off\n"); |
463 |
|
|
print_rdefaults(); |
464 |
|
|
} |