| 1 |
#ifndef lint |
| 2 |
static const char RCSid[] = "$Id: rpmain.c,v 2.18 2016/03/10 18:25:46 schorsch Exp $"; |
| 3 |
#endif |
| 4 |
/* |
| 5 |
* rpmain.c - main for rpict batch rendering program |
| 6 |
*/ |
| 7 |
|
| 8 |
#include "copyright.h" |
| 9 |
|
| 10 |
#include <time.h> |
| 11 |
#include <signal.h> |
| 12 |
|
| 13 |
#include "platform.h" |
| 14 |
#include "rtprocess.h" /* getpid() */ |
| 15 |
#include "ray.h" |
| 16 |
#include "source.h" |
| 17 |
#include "ambient.h" |
| 18 |
#include "random.h" |
| 19 |
#include "paths.h" |
| 20 |
#include "view.h" |
| 21 |
#include "pmapray.h" |
| 22 |
|
| 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 |
extern double dblur; /* depth-of-field blur parameter */ |
| 54 |
|
| 55 |
static void onsig(int signo); |
| 56 |
static void sigdie(int signo, char *msg); |
| 57 |
static void printdefaults(void); |
| 58 |
|
| 59 |
|
| 60 |
int |
| 61 |
main(int argc, char *argv[]) |
| 62 |
{ |
| 63 |
#define check(ol,al) if (argv[i][ol] || \ |
| 64 |
badarg(argc-i-1,argv+i+1,al)) \ |
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goto badopt |
| 66 |
#define check_bool(olen,var) switch (argv[i][olen]) { \ |
| 67 |
case '\0': var = !var; break; \ |
| 68 |
case 'y': case 'Y': case 't': case 'T': \ |
| 69 |
case '+': case '1': var = 1; break; \ |
| 70 |
case 'n': case 'N': case 'f': case 'F': \ |
| 71 |
case '-': case '0': var = 0; break; \ |
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default: goto badopt; } |
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char *err; |
| 74 |
char *recover = NULL; |
| 75 |
char *outfile = NULL; |
| 76 |
char *zfile = NULL; |
| 77 |
int loadflags = ~IO_FILES; |
| 78 |
int seqstart = 0; |
| 79 |
int persist = 0; |
| 80 |
int duped1 = -1; |
| 81 |
int rval; |
| 82 |
int i; |
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/* record start time */ |
| 84 |
tstart = time((time_t *)NULL); |
| 85 |
/* global program name */ |
| 86 |
progname = argv[0] = fixargv0(argv[0]); |
| 87 |
/* option city */ |
| 88 |
for (i = 1; i < argc; i++) { |
| 89 |
/* expand arguments */ |
| 90 |
while ((rval = expandarg(&argc, &argv, i)) > 0) |
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; |
| 92 |
if (rval < 0) { |
| 93 |
sprintf(errmsg, "cannot expand '%s'", argv[i]); |
| 94 |
error(SYSTEM, errmsg); |
| 95 |
} |
| 96 |
if (argv[i] == NULL || argv[i][0] != '-') |
| 97 |
break; /* break from options */ |
| 98 |
if (!strcmp(argv[i], "-version")) { |
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puts(VersionID); |
| 100 |
quit(0); |
| 101 |
} |
| 102 |
if (!strcmp(argv[i], "-defaults") || |
| 103 |
!strcmp(argv[i], "-help")) { |
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printdefaults(); |
| 105 |
quit(0); |
| 106 |
} |
| 107 |
rval = getrenderopt(argc-i, argv+i); |
| 108 |
if (rval >= 0) { |
| 109 |
i += rval; |
| 110 |
continue; |
| 111 |
} |
| 112 |
rval = getviewopt(&ourview, argc-i, argv+i); |
| 113 |
if (rval >= 0) { |
| 114 |
i += rval; |
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continue; |
| 116 |
} |
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/* rpict options */ |
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switch (argv[i][1]) { |
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case 'v': /* view file */ |
| 120 |
if (argv[i][2] != 'f') |
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goto badopt; |
| 122 |
check(3,"s"); |
| 123 |
rval = viewfile(argv[++i], &ourview, NULL); |
| 124 |
if (rval < 0) { |
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sprintf(errmsg, |
| 126 |
"cannot open view file \"%s\"", |
| 127 |
argv[i]); |
| 128 |
error(SYSTEM, errmsg); |
| 129 |
} else if (rval == 0) { |
| 130 |
sprintf(errmsg, |
| 131 |
"bad view file \"%s\"", |
| 132 |
argv[i]); |
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error(USER, errmsg); |
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} |
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break; |
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case 'p': /* pixel */ |
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switch (argv[i][2]) { |
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case 's': /* sample */ |
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check(3,"i"); |
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psample = atoi(argv[++i]); |
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break; |
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case 't': /* threshold */ |
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check(3,"f"); |
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maxdiff = atof(argv[++i]); |
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break; |
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case 'j': /* jitter */ |
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check(3,"f"); |
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dstrpix = atof(argv[++i]); |
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break; |
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case 'a': /* aspect */ |
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check(3,"f"); |
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pixaspect = atof(argv[++i]); |
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break; |
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case 'm': /* motion */ |
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check(3,"f"); |
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mblur = atof(argv[++i]); |
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break; |
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case 'd': /* aperture */ |
| 159 |
check(3,"f"); |
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dblur = atof(argv[++i]); |
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break; |
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default: |
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goto badopt; |
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} |
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break; |
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case 'x': /* x resolution */ |
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check(2,"i"); |
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hresolu = atoi(argv[++i]); |
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break; |
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case 'y': /* y resolution */ |
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check(2,"i"); |
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vresolu = atoi(argv[++i]); |
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break; |
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case 'S': /* slave index */ |
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check(2,"i"); |
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seqstart = atoi(argv[++i]); |
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break; |
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case 'o': /* output file */ |
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check(2,"s"); |
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outfile = argv[++i]; |
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break; |
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case 'z': /* z file */ |
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check(2,"s"); |
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zfile = argv[++i]; |
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break; |
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case 'r': /* recover file */ |
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if (argv[i][2] == 'o') { /* +output */ |
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check(3,"s"); |
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outfile = argv[i+1]; |
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} else |
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check(2,"s"); |
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recover = argv[++i]; |
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break; |
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case 't': /* timer */ |
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check(2,"i"); |
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ralrm = atoi(argv[++i]); |
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break; |
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#ifdef PERSIST |
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case 'P': /* persist file */ |
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if (argv[i][2] == 'P') { |
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check(3,"s"); |
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persist = PARALLEL; |
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} else { |
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check(2,"s"); |
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persist = PERSIST; |
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} |
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persistfile(argv[++i]); |
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break; |
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#endif |
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case 'w': /* warnings */ |
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rval = erract[WARNING].pf != NULL; |
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check_bool(2,rval); |
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if (rval) erract[WARNING].pf = wputs; |
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else erract[WARNING].pf = NULL; |
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break; |
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case 'e': /* error file */ |
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check(2,"s"); |
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errfile = argv[++i]; |
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break; |
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default: |
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goto badopt; |
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} |
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} |
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err = setview(&ourview); /* set viewing parameters */ |
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if (err != NULL) |
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error(USER, err); |
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/* initialize object types */ |
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initotypes(); |
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/* initialize urand */ |
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if (rand_samp) { |
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srandom((long)time(0)); |
| 232 |
initurand(0); |
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} else { |
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srandom(0L); |
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initurand(2048); |
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} |
| 237 |
/* set up signal handling */ |
| 238 |
sigdie(SIGINT, "Interrupt"); |
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#ifdef SIGHUP |
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sigdie(SIGHUP, "Hangup"); |
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#endif |
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sigdie(SIGTERM, "Terminate"); |
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#ifdef SIGPIPE |
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sigdie(SIGPIPE, "Broken pipe"); |
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#endif |
| 246 |
#ifdef SIGALRM |
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sigdie(SIGALRM, "Alarm clock"); |
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#endif |
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#ifdef SIGXCPU |
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sigdie(SIGXCPU, "CPU limit exceeded"); |
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sigdie(SIGXFSZ, "File size exceeded"); |
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#endif |
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/* open error file */ |
| 254 |
if (errfile != NULL) { |
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if (freopen(errfile, "a", stderr) == NULL) |
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quit(2); |
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fprintf(stderr, "**************\n*** PID %5d: ", |
| 258 |
getpid()); |
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printargs(argc, argv, stderr); |
| 260 |
putc('\n', stderr); |
| 261 |
fflush(stderr); |
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} |
| 263 |
#ifdef NICE |
| 264 |
nice(NICE); /* lower priority */ |
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#endif |
| 266 |
/* get octree */ |
| 267 |
if (i == argc) |
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octname = NULL; |
| 269 |
else if (i == argc-1) |
| 270 |
octname = argv[i]; |
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else |
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goto badopt; |
| 273 |
if (seqstart > 0 && octname == NULL) |
| 274 |
error(USER, "missing octree argument"); |
| 275 |
/* set up output */ |
| 276 |
#ifdef PERSIST |
| 277 |
if (persist) { |
| 278 |
if (recover != NULL) |
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error(USER, "persist option used with recover file"); |
| 280 |
if (seqstart <= 0) |
| 281 |
error(USER, "persist option only for sequences"); |
| 282 |
if (outfile == NULL) |
| 283 |
duped1 = dup(fileno(stdout)); /* don't lose our output */ |
| 284 |
openheader(); |
| 285 |
} else |
| 286 |
#endif |
| 287 |
if (outfile != NULL) |
| 288 |
openheader(); |
| 289 |
SET_FILE_BINARY(stdout); |
| 290 |
if (octname == NULL) |
| 291 |
SET_FILE_BINARY(stdin); |
| 292 |
readoct(octname, loadflags, &thescene, NULL); |
| 293 |
nsceneobjs = nobjects; |
| 294 |
|
| 295 |
if (loadflags & IO_INFO) { /* print header */ |
| 296 |
printargs(i, argv, stdout); |
| 297 |
printf("SOFTWARE= %s\n", VersionID); |
| 298 |
} |
| 299 |
|
| 300 |
ray_init_pmap(); /* PMAP: set up & load photon maps */ |
| 301 |
|
| 302 |
marksources(); /* find and mark sources */ |
| 303 |
|
| 304 |
setambient(); /* initialize ambient calculation */ |
| 305 |
|
| 306 |
#ifdef PERSIST |
| 307 |
if (persist) { |
| 308 |
fflush(stdout); |
| 309 |
if (outfile == NULL) { /* reconnect stdout */ |
| 310 |
dup2(duped1, fileno(stdout)); |
| 311 |
close(duped1); |
| 312 |
} |
| 313 |
if (persist == PARALLEL) { /* multiprocessing */ |
| 314 |
preload_objs(); /* preload scene */ |
| 315 |
shm_boundary = (char *)malloc(16); |
| 316 |
strcpy(shm_boundary, "SHM_BOUNDARY"); |
| 317 |
while ((rval=fork()) == 0) { /* keep on forkin' */ |
| 318 |
pflock(1); |
| 319 |
pfhold(); |
| 320 |
tstart = time((time_t *)NULL); |
| 321 |
ambsync(); /* load new values */ |
| 322 |
} |
| 323 |
if (rval < 0) |
| 324 |
error(SYSTEM, "cannot fork child for persist function"); |
| 325 |
pfdetach(); /* parent will run then exit */ |
| 326 |
} |
| 327 |
} |
| 328 |
runagain: |
| 329 |
if (persist) { |
| 330 |
if (outfile == NULL) /* if out to stdout */ |
| 331 |
dupheader(); /* send header */ |
| 332 |
else /* if out to file */ |
| 333 |
duped1 = dup(fileno(stdout)); /* hang onto pipe */ |
| 334 |
} |
| 335 |
#endif |
| 336 |
/* batch render picture(s) */ |
| 337 |
rpict(seqstart, outfile, zfile, recover); |
| 338 |
/* flush ambient file */ |
| 339 |
ambsync(); |
| 340 |
#ifdef PERSIST |
| 341 |
if (persist == PERSIST) { /* first run-through */ |
| 342 |
if ((rval=fork()) == 0) { /* child loops until killed */ |
| 343 |
pflock(1); |
| 344 |
persist = PCHILD; |
| 345 |
} else { /* original process exits */ |
| 346 |
if (rval < 0) |
| 347 |
error(SYSTEM, "cannot fork child for persist function"); |
| 348 |
pfdetach(); /* parent exits */ |
| 349 |
} |
| 350 |
} |
| 351 |
if (persist == PCHILD) { /* wait for a signal then go again */ |
| 352 |
if (outfile != NULL) |
| 353 |
close(duped1); /* release output handle */ |
| 354 |
pfhold(); |
| 355 |
tstart = time((time_t *)NULL); /* reinitialize */ |
| 356 |
raynum = nrays = 0; |
| 357 |
goto runagain; |
| 358 |
} |
| 359 |
#endif |
| 360 |
|
| 361 |
|
| 362 |
ray_done_pmap(); /* PMAP: free photon maps */ |
| 363 |
|
| 364 |
quit(0); |
| 365 |
|
| 366 |
badopt: |
| 367 |
sprintf(errmsg, "command line error at '%s'", argv[i]); |
| 368 |
error(USER, errmsg); |
| 369 |
return 1; /* pro forma return */ |
| 370 |
|
| 371 |
#undef check |
| 372 |
#undef check_bool |
| 373 |
} |
| 374 |
|
| 375 |
|
| 376 |
void |
| 377 |
wputs( /* warning output function */ |
| 378 |
char *s |
| 379 |
) |
| 380 |
{ |
| 381 |
int lasterrno = errno; |
| 382 |
eputs(s); |
| 383 |
errno = lasterrno; |
| 384 |
} |
| 385 |
|
| 386 |
|
| 387 |
void |
| 388 |
eputs( /* put string to stderr */ |
| 389 |
register char *s |
| 390 |
) |
| 391 |
{ |
| 392 |
static int midline = 0; |
| 393 |
|
| 394 |
if (!*s) |
| 395 |
return; |
| 396 |
if (!midline++) { |
| 397 |
fputs(progname, stderr); |
| 398 |
fputs(": ", stderr); |
| 399 |
} |
| 400 |
fputs(s, stderr); |
| 401 |
if (s[strlen(s)-1] == '\n') { |
| 402 |
fflush(stderr); |
| 403 |
midline = 0; |
| 404 |
} |
| 405 |
} |
| 406 |
|
| 407 |
|
| 408 |
static void |
| 409 |
onsig( /* fatal signal */ |
| 410 |
int signo |
| 411 |
) |
| 412 |
{ |
| 413 |
static int gotsig = 0; |
| 414 |
|
| 415 |
if (gotsig++) /* two signals and we're gone! */ |
| 416 |
_exit(signo); |
| 417 |
|
| 418 |
#ifdef SIGALRM /* XXX how critical is this? */ |
| 419 |
alarm(15); /* allow 15 seconds to clean up */ |
| 420 |
signal(SIGALRM, SIG_DFL); /* make certain we do die */ |
| 421 |
#endif |
| 422 |
eputs("signal - "); |
| 423 |
eputs(sigerr[signo]); |
| 424 |
eputs("\n"); |
| 425 |
quit(3); |
| 426 |
} |
| 427 |
|
| 428 |
|
| 429 |
static void |
| 430 |
sigdie( /* set fatal signal */ |
| 431 |
int signo, |
| 432 |
char *msg |
| 433 |
) |
| 434 |
{ |
| 435 |
if (signal(signo, onsig) == SIG_IGN) |
| 436 |
signal(signo, SIG_IGN); |
| 437 |
sigerr[signo] = msg; |
| 438 |
} |
| 439 |
|
| 440 |
|
| 441 |
static void |
| 442 |
printdefaults(void) /* print default values to stdout */ |
| 443 |
{ |
| 444 |
printf("-vt%c\t\t\t\t# view type %s\n", ourview.type, |
| 445 |
ourview.type==VT_PER ? "perspective" : |
| 446 |
ourview.type==VT_PAR ? "parallel" : |
| 447 |
ourview.type==VT_HEM ? "hemispherical" : |
| 448 |
ourview.type==VT_ANG ? "angular" : |
| 449 |
ourview.type==VT_CYL ? "cylindrical" : |
| 450 |
ourview.type==VT_PLS ? "planisphere" : |
| 451 |
"unknown"); |
| 452 |
printf("-vp %f %f %f\t# view point\n", |
| 453 |
ourview.vp[0], ourview.vp[1], ourview.vp[2]); |
| 454 |
printf("-vd %f %f %f\t# view direction\n", |
| 455 |
ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]); |
| 456 |
printf("-vu %f %f %f\t# view up\n", |
| 457 |
ourview.vup[0], ourview.vup[1], ourview.vup[2]); |
| 458 |
printf("-vh %f\t\t\t# view horizontal size\n", ourview.horiz); |
| 459 |
printf("-vv %f\t\t\t# view vertical size\n", ourview.vert); |
| 460 |
printf("-vo %f\t\t\t# view fore clipping plane\n", ourview.vfore); |
| 461 |
printf("-va %f\t\t\t# view aft clipping plane\n", ourview.vaft); |
| 462 |
printf("-vs %f\t\t\t# view shift\n", ourview.hoff); |
| 463 |
printf("-vl %f\t\t\t# view lift\n", ourview.voff); |
| 464 |
printf("-x %-9d\t\t\t# x resolution\n", hresolu); |
| 465 |
printf("-y %-9d\t\t\t# y resolution\n", vresolu); |
| 466 |
printf("-pa %f\t\t\t# pixel aspect ratio\n", pixaspect); |
| 467 |
printf("-pj %f\t\t\t# pixel jitter\n", dstrpix); |
| 468 |
printf("-pm %f\t\t\t# pixel motion\n", mblur); |
| 469 |
printf("-pd %f\t\t\t# pixel depth-of-field\n", dblur); |
| 470 |
printf("-ps %-9d\t\t\t# pixel sample\n", psample); |
| 471 |
printf("-pt %f\t\t\t# pixel threshold\n", maxdiff); |
| 472 |
printf("-t %-9d\t\t\t# time between reports\n", ralrm); |
| 473 |
printf(erract[WARNING].pf != NULL ? |
| 474 |
"-w+\t\t\t\t# warning messages on\n" : |
| 475 |
"-w-\t\t\t\t# warning messages off\n"); |
| 476 |
print_rdefaults(); |
| 477 |
} |
