| 1 |
#ifndef lint |
| 2 |
static const char RCSid[] = "$Id$"; |
| 3 |
#endif |
| 4 |
/* |
| 5 |
* rpmain.c - main for rpict batch rendering program |
| 6 |
*/ |
| 7 |
|
| 8 |
#include "copyright.h" |
| 9 |
|
| 10 |
#include "ray.h" |
| 11 |
|
| 12 |
#include "source.h" |
| 13 |
|
| 14 |
#include "ambient.h" |
| 15 |
|
| 16 |
#include "random.h" |
| 17 |
|
| 18 |
#include "paths.h" |
| 19 |
|
| 20 |
#include <sys/types.h> |
| 21 |
|
| 22 |
#include <signal.h> |
| 23 |
|
| 24 |
#include "view.h" |
| 25 |
|
| 26 |
#include "paths.h" |
| 27 |
/* persistent processes define */ |
| 28 |
#ifdef F_SETLKW |
| 29 |
#define PERSIST 1 /* normal persist */ |
| 30 |
#define PARALLEL 2 /* parallel persist */ |
| 31 |
#define PCHILD 3 /* child of normal persist */ |
| 32 |
#endif |
| 33 |
|
| 34 |
char *progname; /* argv[0] */ |
| 35 |
|
| 36 |
char *octname; /* octree name */ |
| 37 |
|
| 38 |
char *sigerr[NSIG]; /* signal error messages */ |
| 39 |
|
| 40 |
char *shm_boundary = NULL; /* boundary of shared memory */ |
| 41 |
|
| 42 |
char *errfile = NULL; /* error output file */ |
| 43 |
|
| 44 |
extern time_t time(); |
| 45 |
extern time_t tstart; /* start time */ |
| 46 |
|
| 47 |
extern int ralrm; /* seconds between reports */ |
| 48 |
|
| 49 |
extern VIEW ourview; /* viewing parameters */ |
| 50 |
|
| 51 |
extern int hresolu; /* horizontal resolution */ |
| 52 |
extern int vresolu; /* vertical resolution */ |
| 53 |
extern double pixaspect; /* pixel aspect ratio */ |
| 54 |
|
| 55 |
extern int psample; /* pixel sample size */ |
| 56 |
extern double maxdiff; /* max. sample difference */ |
| 57 |
extern double dstrpix; /* square pixel distribution */ |
| 58 |
|
| 59 |
extern double mblur; /* motion blur parameter */ |
| 60 |
|
| 61 |
void onsig(); |
| 62 |
void sigdie(); |
| 63 |
void printdefaults(); |
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|
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|
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int |
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main(argc, argv) |
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int argc; |
| 69 |
char *argv[]; |
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{ |
| 71 |
#define check(ol,al) if (argv[i][ol] || \ |
| 72 |
badarg(argc-i-1,argv+i+1,al)) \ |
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goto badopt |
| 74 |
#define bool(olen,var) switch (argv[i][olen]) { \ |
| 75 |
case '\0': var = !var; break; \ |
| 76 |
case 'y': case 'Y': case 't': case 'T': \ |
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case '+': case '1': var = 1; break; \ |
| 78 |
case 'n': case 'N': case 'f': case 'F': \ |
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case '-': case '0': var = 0; break; \ |
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default: goto badopt; } |
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char *err; |
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char *recover = NULL; |
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char *outfile = NULL; |
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char *zfile = NULL; |
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int loadflags = ~IO_FILES; |
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int seqstart = 0; |
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int persist = 0; |
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int duped1; |
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int rval; |
| 90 |
int i; |
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/* record start time */ |
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tstart = time((time_t *)NULL); |
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/* global program name */ |
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progname = argv[0] = fixargv0(argv[0]); |
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/* option city */ |
| 96 |
for (i = 1; i < argc; i++) { |
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/* expand arguments */ |
| 98 |
while ((rval = expandarg(&argc, &argv, i)) > 0) |
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; |
| 100 |
if (rval < 0) { |
| 101 |
sprintf(errmsg, "cannot expand '%s'", argv[i]); |
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error(SYSTEM, errmsg); |
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} |
| 104 |
if (argv[i] == NULL || argv[i][0] != '-') |
| 105 |
break; /* break from options */ |
| 106 |
if (!strcmp(argv[i], "-version")) { |
| 107 |
puts(VersionID); |
| 108 |
quit(0); |
| 109 |
} |
| 110 |
if (!strcmp(argv[i], "-defaults") || |
| 111 |
!strcmp(argv[i], "-help")) { |
| 112 |
printdefaults(); |
| 113 |
quit(0); |
| 114 |
} |
| 115 |
rval = getrenderopt(argc-i, argv+i); |
| 116 |
if (rval >= 0) { |
| 117 |
i += rval; |
| 118 |
continue; |
| 119 |
} |
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rval = getviewopt(&ourview, argc-i, argv+i); |
| 121 |
if (rval >= 0) { |
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i += rval; |
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continue; |
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} |
| 125 |
/* rpict options */ |
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switch (argv[i][1]) { |
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case 'v': /* view file */ |
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if (argv[i][2] != 'f') |
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goto badopt; |
| 130 |
check(3,"s"); |
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rval = viewfile(argv[++i], &ourview, NULL); |
| 132 |
if (rval < 0) { |
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sprintf(errmsg, |
| 134 |
"cannot open view file \"%s\"", |
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argv[i]); |
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error(SYSTEM, errmsg); |
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} else if (rval == 0) { |
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sprintf(errmsg, |
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"bad view file \"%s\"", |
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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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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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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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initurand(2048); |
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/* set up signal handling */ |
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sigdie(SIGINT, "Interrupt"); |
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sigdie(SIGHUP, "Hangup"); |
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sigdie(SIGTERM, "Terminate"); |
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sigdie(SIGPIPE, "Broken pipe"); |
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sigdie(SIGALRM, "Alarm clock"); |
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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 */ |
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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: ", |
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getpid()); |
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printargs(argc, argv, stderr); |
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putc('\n', stderr); |
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fflush(stderr); |
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} |
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#ifdef NICE |
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nice(NICE); /* lower priority */ |
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#endif |
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/* get octree */ |
| 259 |
if (i == argc) |
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octname = NULL; |
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else if (i == argc-1) |
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octname = argv[i]; |
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else |
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goto badopt; |
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if (seqstart > 0 && octname == NULL) |
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error(USER, "missing octree argument"); |
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/* set up output */ |
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#ifdef PERSIST |
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if (persist) { |
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if (recover != NULL) |
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error(USER, "persist option used with recover file"); |
| 272 |
if (seqstart <= 0) |
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error(USER, "persist option only for sequences"); |
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if (outfile == NULL) |
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duped1 = dup(fileno(stdout)); /* don't lose our output */ |
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openheader(); |
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} else |
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#endif |
| 279 |
if (outfile != NULL) |
| 280 |
openheader(); |
| 281 |
#ifdef MSDOS |
| 282 |
setmode(fileno(stdout), O_BINARY); |
| 283 |
if (octname == NULL) |
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setmode(fileno(stdin), O_BINARY); |
| 285 |
#endif |
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readoct(octname, loadflags, &thescene, NULL); |
| 287 |
nsceneobjs = nobjects; |
| 288 |
|
| 289 |
if (loadflags & IO_INFO) { /* print header */ |
| 290 |
printargs(i, argv, stdout); |
| 291 |
printf("SOFTWARE= %s\n", VersionID); |
| 292 |
fputnow(stdout); |
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} |
| 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); |
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} |
| 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 |
if (persist) |
| 322 |
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 |
#endif |
| 327 |
/* batch render picture(s) */ |
| 328 |
rpict(seqstart, outfile, zfile, recover); |
| 329 |
/* flush ambient file */ |
| 330 |
ambsync(); |
| 331 |
#ifdef PERSIST |
| 332 |
if (persist == PERSIST) { /* first run-through */ |
| 333 |
if ((rval=fork()) == 0) { /* child loops until killed */ |
| 334 |
pflock(1); |
| 335 |
persist = PCHILD; |
| 336 |
} else { /* original process exits */ |
| 337 |
if (rval < 0) |
| 338 |
error(SYSTEM, "cannot fork child for persist function"); |
| 339 |
pfdetach(); /* parent exits */ |
| 340 |
} |
| 341 |
} |
| 342 |
if (persist == PCHILD) { /* wait for a signal then go again */ |
| 343 |
if (outfile != NULL) |
| 344 |
close(duped1); /* release output handle */ |
| 345 |
pfhold(); |
| 346 |
tstart = time((time_t *)NULL); /* reinitialize */ |
| 347 |
raynum = nrays = 0; |
| 348 |
goto runagain; |
| 349 |
} |
| 350 |
#endif |
| 351 |
quit(0); |
| 352 |
|
| 353 |
badopt: |
| 354 |
sprintf(errmsg, "command line error at '%s'", argv[i]); |
| 355 |
error(USER, errmsg); |
| 356 |
|
| 357 |
#undef check |
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#undef bool |
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} |
| 360 |
|
| 361 |
|
| 362 |
void |
| 363 |
wputs(s) /* warning output function */ |
| 364 |
char *s; |
| 365 |
{ |
| 366 |
int lasterrno = errno; |
| 367 |
eputs(s); |
| 368 |
errno = lasterrno; |
| 369 |
} |
| 370 |
|
| 371 |
|
| 372 |
void |
| 373 |
eputs(s) /* put string to stderr */ |
| 374 |
register char *s; |
| 375 |
{ |
| 376 |
static int midline = 0; |
| 377 |
|
| 378 |
if (!*s) |
| 379 |
return; |
| 380 |
if (!midline++) { |
| 381 |
fputs(progname, stderr); |
| 382 |
fputs(": ", stderr); |
| 383 |
} |
| 384 |
fputs(s, stderr); |
| 385 |
if (s[strlen(s)-1] == '\n') { |
| 386 |
fflush(stderr); |
| 387 |
midline = 0; |
| 388 |
} |
| 389 |
} |
| 390 |
|
| 391 |
|
| 392 |
void |
| 393 |
onsig(signo) /* fatal signal */ |
| 394 |
int signo; |
| 395 |
{ |
| 396 |
static int gotsig = 0; |
| 397 |
|
| 398 |
if (gotsig++) /* two signals and we're gone! */ |
| 399 |
_exit(signo); |
| 400 |
|
| 401 |
alarm(15); /* allow 15 seconds to clean up */ |
| 402 |
signal(SIGALRM, SIG_DFL); /* make certain we do die */ |
| 403 |
eputs("signal - "); |
| 404 |
eputs(sigerr[signo]); |
| 405 |
eputs("\n"); |
| 406 |
quit(3); |
| 407 |
} |
| 408 |
|
| 409 |
|
| 410 |
void |
| 411 |
sigdie(signo, msg) /* set fatal signal */ |
| 412 |
int signo; |
| 413 |
char *msg; |
| 414 |
{ |
| 415 |
if (signal(signo, onsig) == SIG_IGN) |
| 416 |
signal(signo, SIG_IGN); |
| 417 |
sigerr[signo] = msg; |
| 418 |
} |
| 419 |
|
| 420 |
|
| 421 |
void |
| 422 |
printdefaults() /* print default values to stdout */ |
| 423 |
{ |
| 424 |
register char *cp; |
| 425 |
|
| 426 |
printf("-vt%c\t\t\t\t# view type %s\n", ourview.type, |
| 427 |
ourview.type==VT_PER ? "perspective" : |
| 428 |
ourview.type==VT_PAR ? "parallel" : |
| 429 |
ourview.type==VT_HEM ? "hemispherical" : |
| 430 |
ourview.type==VT_ANG ? "angular" : |
| 431 |
ourview.type==VT_CYL ? "cylindrical" : |
| 432 |
"unknown"); |
| 433 |
printf("-vp %f %f %f\t# view point\n", |
| 434 |
ourview.vp[0], ourview.vp[1], ourview.vp[2]); |
| 435 |
printf("-vd %f %f %f\t# view direction\n", |
| 436 |
ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]); |
| 437 |
printf("-vu %f %f %f\t# view up\n", |
| 438 |
ourview.vup[0], ourview.vup[1], ourview.vup[2]); |
| 439 |
printf("-vh %f\t\t\t# view horizontal size\n", ourview.horiz); |
| 440 |
printf("-vv %f\t\t\t# view vertical size\n", ourview.vert); |
| 441 |
printf("-vo %f\t\t\t# view fore clipping plane\n", ourview.vfore); |
| 442 |
printf("-va %f\t\t\t# view aft clipping plane\n", ourview.vaft); |
| 443 |
printf("-vs %f\t\t\t# view shift\n", ourview.hoff); |
| 444 |
printf("-vl %f\t\t\t# view lift\n", ourview.voff); |
| 445 |
printf("-x %-9d\t\t\t# x resolution\n", hresolu); |
| 446 |
printf("-y %-9d\t\t\t# y resolution\n", vresolu); |
| 447 |
printf("-pa %f\t\t\t# pixel aspect ratio\n", pixaspect); |
| 448 |
printf("-pj %f\t\t\t# pixel jitter\n", dstrpix); |
| 449 |
printf("-pm %f\t\t\t# pixel motion\n", mblur); |
| 450 |
printf("-ps %-9d\t\t\t# pixel sample\n", psample); |
| 451 |
printf("-pt %f\t\t\t# pixel threshold\n", maxdiff); |
| 452 |
printf("-t %-9d\t\t\t# time between reports\n", ralrm); |
| 453 |
printf(erract[WARNING].pf != NULL ? |
| 454 |
"-w+\t\t\t\t# warning messages on\n" : |
| 455 |
"-w-\t\t\t\t# warning messages off\n"); |
| 456 |
print_rdefaults(); |
| 457 |
} |
