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#ifndef lint |
2 |
static const char RCSid[] = "$Id: rpmain.c,v 2.14 2008/03/11 02:21:47 greg Exp $"; |
3 |
#endif |
4 |
/* |
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* rpmain.c - main for rpict batch rendering program |
6 |
*/ |
7 |
|
8 |
#include "copyright.h" |
9 |
|
10 |
#include <time.h> |
11 |
#include <signal.h> |
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|
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 |
|
22 |
/* persistent processes define */ |
23 |
#ifdef F_SETLKW |
24 |
#define PERSIST 1 /* normal persist */ |
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#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 */ |
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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 |
|
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extern VIEW ourview; /* viewing parameters */ |
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|
42 |
extern int hresolu; /* horizontal resolution */ |
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extern int vresolu; /* vertical resolution */ |
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extern double pixaspect; /* pixel aspect ratio */ |
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|
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extern int psample; /* pixel sample size */ |
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extern double maxdiff; /* max. sample difference */ |
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extern double dstrpix; /* square pixel distribution */ |
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|
50 |
extern double mblur; /* motion blur parameter */ |
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|
52 |
extern double dblur; /* depth-of-field blur parameter */ |
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|
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static void onsig(int signo); |
55 |
static void sigdie(int signo, char *msg); |
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static void printdefaults(void); |
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|
58 |
|
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int |
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main(int argc, char *argv[]) |
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{ |
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#define check(ol,al) if (argv[i][ol] || \ |
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badarg(argc-i-1,argv+i+1,al)) \ |
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goto badopt |
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#define bool(olen,var) switch (argv[i][olen]) { \ |
66 |
case '\0': var = !var; break; \ |
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case 'y': case 'Y': case 't': case 'T': \ |
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case '+': case '1': var = 1; break; \ |
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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 = -1; |
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int rval; |
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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 */ |
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for (i = 1; i < argc; i++) { |
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/* expand arguments */ |
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while ((rval = expandarg(&argc, &argv, i)) > 0) |
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; |
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if (rval < 0) { |
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sprintf(errmsg, "cannot expand '%s'", argv[i]); |
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error(SYSTEM, errmsg); |
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} |
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if (argv[i] == NULL || argv[i][0] != '-') |
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break; /* break from options */ |
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if (!strcmp(argv[i], "-version")) { |
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puts(VersionID); |
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quit(0); |
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} |
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if (!strcmp(argv[i], "-defaults") || |
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!strcmp(argv[i], "-help")) { |
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printdefaults(); |
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quit(0); |
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} |
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rval = getrenderopt(argc-i, argv+i); |
107 |
if (rval >= 0) { |
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i += rval; |
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continue; |
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} |
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rval = getviewopt(&ourview, argc-i, argv+i); |
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if (rval >= 0) { |
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i += rval; |
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continue; |
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} |
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/* 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; |
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check(3,"s"); |
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rval = viewfile(argv[++i], &ourview, NULL); |
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if (rval < 0) { |
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sprintf(errmsg, |
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"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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case 'd': /* aperture */ |
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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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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)); |
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initurand(0); |
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} else { |
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srandom(0L); |
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initurand(2048); |
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} |
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/* set up signal handling */ |
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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 |
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#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 */ |
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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 |
263 |
nice(NICE); /* lower priority */ |
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#endif |
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/* get octree */ |
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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 |
276 |
if (persist) { |
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if (recover != NULL) |
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error(USER, "persist option used with recover file"); |
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if (seqstart <= 0) |
280 |
error(USER, "persist option only for sequences"); |
281 |
if (outfile == NULL) |
282 |
duped1 = dup(fileno(stdout)); /* don't lose our output */ |
283 |
openheader(); |
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} else |
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#endif |
286 |
if (outfile != NULL) |
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openheader(); |
288 |
#ifdef _WIN32 |
289 |
SET_FILE_BINARY(stdout); |
290 |
if (octname == NULL) |
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SET_FILE_BINARY(stdin); |
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#endif |
293 |
readoct(octname, loadflags, &thescene, NULL); |
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nsceneobjs = nobjects; |
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|
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if (loadflags & IO_INFO) { /* print header */ |
297 |
printargs(i, argv, stdout); |
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printf("SOFTWARE= %s\n", VersionID); |
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} |
300 |
|
301 |
marksources(); /* find and mark sources */ |
302 |
|
303 |
setambient(); /* initialize ambient calculation */ |
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|
305 |
#ifdef PERSIST |
306 |
if (persist) { |
307 |
fflush(stdout); |
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if (outfile == NULL) { /* reconnect stdout */ |
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dup2(duped1, fileno(stdout)); |
310 |
close(duped1); |
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} |
312 |
if (persist == PARALLEL) { /* multiprocessing */ |
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preload_objs(); /* preload scene */ |
314 |
shm_boundary = (char *)malloc(16); |
315 |
strcpy(shm_boundary, "SHM_BOUNDARY"); |
316 |
while ((rval=fork()) == 0) { /* keep on forkin' */ |
317 |
pflock(1); |
318 |
pfhold(); |
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tstart = time((time_t *)NULL); |
320 |
ambsync(); /* load new values */ |
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} |
322 |
if (rval < 0) |
323 |
error(SYSTEM, "cannot fork child for persist function"); |
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pfdetach(); /* parent will run then exit */ |
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} |
326 |
} |
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runagain: |
328 |
if (persist) { |
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if (outfile == NULL) /* if out to stdout */ |
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dupheader(); /* send header */ |
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else /* if out to file */ |
332 |
duped1 = dup(fileno(stdout)); /* hang onto pipe */ |
333 |
} |
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#endif |
335 |
/* batch render picture(s) */ |
336 |
rpict(seqstart, outfile, zfile, recover); |
337 |
/* flush ambient file */ |
338 |
ambsync(); |
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#ifdef PERSIST |
340 |
if (persist == PERSIST) { /* first run-through */ |
341 |
if ((rval=fork()) == 0) { /* child loops until killed */ |
342 |
pflock(1); |
343 |
persist = PCHILD; |
344 |
} else { /* original process exits */ |
345 |
if (rval < 0) |
346 |
error(SYSTEM, "cannot fork child for persist function"); |
347 |
pfdetach(); /* parent exits */ |
348 |
} |
349 |
} |
350 |
if (persist == PCHILD) { /* wait for a signal then go again */ |
351 |
if (outfile != NULL) |
352 |
close(duped1); /* release output handle */ |
353 |
pfhold(); |
354 |
tstart = time((time_t *)NULL); /* reinitialize */ |
355 |
raynum = nrays = 0; |
356 |
goto runagain; |
357 |
} |
358 |
#endif |
359 |
quit(0); |
360 |
|
361 |
badopt: |
362 |
sprintf(errmsg, "command line error at '%s'", argv[i]); |
363 |
error(USER, errmsg); |
364 |
return 1; /* pro forma return */ |
365 |
|
366 |
#undef check |
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#undef bool |
368 |
} |
369 |
|
370 |
|
371 |
void |
372 |
wputs( /* warning output function */ |
373 |
char *s |
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) |
375 |
{ |
376 |
int lasterrno = errno; |
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eputs(s); |
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errno = lasterrno; |
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} |
380 |
|
381 |
|
382 |
void |
383 |
eputs( /* put string to stderr */ |
384 |
register char *s |
385 |
) |
386 |
{ |
387 |
static int midline = 0; |
388 |
|
389 |
if (!*s) |
390 |
return; |
391 |
if (!midline++) { |
392 |
fputs(progname, stderr); |
393 |
fputs(": ", stderr); |
394 |
} |
395 |
fputs(s, stderr); |
396 |
if (s[strlen(s)-1] == '\n') { |
397 |
fflush(stderr); |
398 |
midline = 0; |
399 |
} |
400 |
} |
401 |
|
402 |
|
403 |
static void |
404 |
onsig( /* fatal signal */ |
405 |
int signo |
406 |
) |
407 |
{ |
408 |
static int gotsig = 0; |
409 |
|
410 |
if (gotsig++) /* two signals and we're gone! */ |
411 |
_exit(signo); |
412 |
|
413 |
#ifdef SIGALRM /* XXX how critical is this? */ |
414 |
alarm(15); /* allow 15 seconds to clean up */ |
415 |
signal(SIGALRM, SIG_DFL); /* make certain we do die */ |
416 |
#endif |
417 |
eputs("signal - "); |
418 |
eputs(sigerr[signo]); |
419 |
eputs("\n"); |
420 |
quit(3); |
421 |
} |
422 |
|
423 |
|
424 |
static void |
425 |
sigdie( /* set fatal signal */ |
426 |
int signo, |
427 |
char *msg |
428 |
) |
429 |
{ |
430 |
if (signal(signo, onsig) == SIG_IGN) |
431 |
signal(signo, SIG_IGN); |
432 |
sigerr[signo] = msg; |
433 |
} |
434 |
|
435 |
|
436 |
static void |
437 |
printdefaults(void) /* print default values to stdout */ |
438 |
{ |
439 |
printf("-vt%c\t\t\t\t# view type %s\n", ourview.type, |
440 |
ourview.type==VT_PER ? "perspective" : |
441 |
ourview.type==VT_PAR ? "parallel" : |
442 |
ourview.type==VT_HEM ? "hemispherical" : |
443 |
ourview.type==VT_ANG ? "angular" : |
444 |
ourview.type==VT_CYL ? "cylindrical" : |
445 |
ourview.type==VT_PLS ? "planisphere" : |
446 |
"unknown"); |
447 |
printf("-vp %f %f %f\t# view point\n", |
448 |
ourview.vp[0], ourview.vp[1], ourview.vp[2]); |
449 |
printf("-vd %f %f %f\t# view direction\n", |
450 |
ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]); |
451 |
printf("-vu %f %f %f\t# view up\n", |
452 |
ourview.vup[0], ourview.vup[1], ourview.vup[2]); |
453 |
printf("-vh %f\t\t\t# view horizontal size\n", ourview.horiz); |
454 |
printf("-vv %f\t\t\t# view vertical size\n", ourview.vert); |
455 |
printf("-vo %f\t\t\t# view fore clipping plane\n", ourview.vfore); |
456 |
printf("-va %f\t\t\t# view aft clipping plane\n", ourview.vaft); |
457 |
printf("-vs %f\t\t\t# view shift\n", ourview.hoff); |
458 |
printf("-vl %f\t\t\t# view lift\n", ourview.voff); |
459 |
printf("-x %-9d\t\t\t# x resolution\n", hresolu); |
460 |
printf("-y %-9d\t\t\t# y resolution\n", vresolu); |
461 |
printf("-pa %f\t\t\t# pixel aspect ratio\n", pixaspect); |
462 |
printf("-pj %f\t\t\t# pixel jitter\n", dstrpix); |
463 |
printf("-pm %f\t\t\t# pixel motion\n", mblur); |
464 |
printf("-pd %f\t\t\t# pixel depth-of-field\n", dblur); |
465 |
printf("-ps %-9d\t\t\t# pixel sample\n", psample); |
466 |
printf("-pt %f\t\t\t# pixel threshold\n", maxdiff); |
467 |
printf("-t %-9d\t\t\t# time between reports\n", ralrm); |
468 |
printf(erract[WARNING].pf != NULL ? |
469 |
"-w+\t\t\t\t# warning messages on\n" : |
470 |
"-w-\t\t\t\t# warning messages off\n"); |
471 |
print_rdefaults(); |
472 |
} |