1 |
< |
/* Copyright (c) 1992 Regents of the University of California */ |
1 |
> |
/* Copyright (c) 1995 Regents of the University of California */ |
2 |
|
|
3 |
|
#ifndef lint |
4 |
|
static char SCCSid[] = "$SunId$ LBL"; |
12 |
|
|
13 |
|
#include "ray.h" |
14 |
|
|
15 |
+ |
#include <sys/types.h> |
16 |
+ |
|
17 |
+ |
#ifndef NIX |
18 |
|
#ifdef BSD |
19 |
|
#include <sys/time.h> |
20 |
|
#include <sys/resource.h> |
21 |
+ |
#else |
22 |
+ |
#include <sys/times.h> |
23 |
+ |
#include <sys/utsname.h> |
24 |
+ |
#include <unistd.h> |
25 |
|
#endif |
26 |
+ |
#endif |
27 |
|
|
28 |
+ |
extern time_t time(); |
29 |
+ |
|
30 |
|
#include <signal.h> |
31 |
|
|
32 |
|
#include "view.h" |
64 |
|
int directvis = 1; /* sources visible? */ |
65 |
|
double srcsizerat = .25; /* maximum ratio source size/dist. */ |
66 |
|
|
67 |
+ |
COLOR cextinction = BLKCOLOR; /* global extinction coefficient */ |
68 |
+ |
double salbedo = 0.; /* global scattering albedo */ |
69 |
+ |
double seccg = 0.; /* global scattering eccentricity */ |
70 |
+ |
double ssampdist = 0.; /* scatter sampling distance */ |
71 |
+ |
|
72 |
|
double specthresh = .15; /* specular sampling threshold */ |
73 |
|
double specjitter = 1.; /* specular sampling jitter */ |
74 |
|
|
75 |
+ |
int backvis = 1; /* back face visibility */ |
76 |
+ |
|
77 |
|
int maxdepth = 6; /* maximum recursion depth */ |
78 |
|
double minweight = 5e-3; /* minimum ray weight */ |
79 |
|
|
94 |
|
|
95 |
|
double pctdone = 0.0; /* percentage done */ |
96 |
|
|
97 |
< |
long tlastrept = 0L; /* time at last report */ |
97 |
> |
time_t tlastrept = 0L; /* time at last report */ |
98 |
|
|
99 |
< |
extern long time(); |
83 |
< |
extern long tstart; /* starting time */ |
99 |
> |
extern time_t tstart; /* starting time */ |
100 |
|
|
101 |
< |
extern long nrays; /* number of rays traced */ |
101 |
> |
extern unsigned long nrays; /* number of rays traced */ |
102 |
|
|
103 |
|
#define MAXDIV 16 /* maximum sample size */ |
104 |
|
|
110 |
|
|
111 |
|
double pixvalue(); |
112 |
|
|
113 |
+ |
#ifdef NIX |
114 |
+ |
#define file_exists(f) (access(f,F_OK)==0) |
115 |
+ |
#else |
116 |
+ |
#include <sys/types.h> |
117 |
+ |
#include <sys/stat.h> |
118 |
+ |
int |
119 |
+ |
file_exists(fname) /* ordinary file exists? */ |
120 |
+ |
char *fname; |
121 |
+ |
{ |
122 |
+ |
struct stat sbuf; |
123 |
+ |
if (stat(fname, &sbuf) < 0) return(0); |
124 |
+ |
return((sbuf.st_mode & S_IFREG) != 0); |
125 |
+ |
} |
126 |
+ |
#endif |
127 |
|
|
128 |
+ |
|
129 |
|
quit(code) /* quit program */ |
130 |
|
int code; |
131 |
|
{ |
137 |
|
} |
138 |
|
|
139 |
|
|
140 |
< |
#ifdef BSD |
140 |
> |
#ifndef NIX |
141 |
|
report() /* report progress */ |
142 |
|
{ |
143 |
+ |
double u, s; |
144 |
+ |
#ifdef BSD |
145 |
+ |
char hostname[257]; |
146 |
|
struct rusage rubuf; |
147 |
< |
double t; |
147 |
> |
#else |
148 |
> |
struct tms tbuf; |
149 |
> |
struct utsname nambuf; |
150 |
> |
double period; |
151 |
> |
#define hostname nambuf.nodename |
152 |
> |
#endif |
153 |
|
|
154 |
+ |
tlastrept = time((time_t *)NULL); |
155 |
+ |
#ifdef BSD |
156 |
|
getrusage(RUSAGE_SELF, &rubuf); |
157 |
< |
t = (rubuf.ru_utime.tv_usec + rubuf.ru_stime.tv_usec) / 1e6; |
158 |
< |
t += rubuf.ru_utime.tv_sec + rubuf.ru_stime.tv_sec; |
157 |
> |
u = rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec/1e6; |
158 |
> |
s = rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec/1e6; |
159 |
|
getrusage(RUSAGE_CHILDREN, &rubuf); |
160 |
< |
t += (rubuf.ru_utime.tv_usec + rubuf.ru_stime.tv_usec) / 1e6; |
161 |
< |
t += rubuf.ru_utime.tv_sec + rubuf.ru_stime.tv_sec; |
160 |
> |
u += rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec/1e6; |
161 |
> |
s += rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec/1e6; |
162 |
> |
gethostname(hostname, sizeof(hostname)); |
163 |
> |
#else |
164 |
> |
times(&tbuf); |
165 |
> |
#ifdef _SC_CLK_TCK |
166 |
> |
period = 1.0 / sysconf(_SC_CLK_TCK); |
167 |
> |
#else |
168 |
> |
period = 1.0 / 60.0; |
169 |
> |
#endif |
170 |
> |
u = ( tbuf.tms_utime + tbuf.tms_cutime ) * period; |
171 |
> |
s = ( tbuf.tms_stime + tbuf.tms_cstime ) * period; |
172 |
> |
uname(&nambuf); |
173 |
> |
#endif |
174 |
|
|
175 |
< |
sprintf(errmsg, "%ld rays, %4.2f%% done after %5.4f CPU hours\n", |
176 |
< |
nrays, pctdone, t/3600.0); |
175 |
> |
sprintf(errmsg, |
176 |
> |
"%lu rays, %4.2f%% after %.3fu %.3fs %.3fr hours on %s\n", |
177 |
> |
nrays, pctdone, u/3600., s/3600., |
178 |
> |
(tlastrept-tstart)/3600., hostname); |
179 |
|
eputs(errmsg); |
180 |
< |
tlastrept = time((long *)0); |
180 |
> |
#ifndef BSD |
181 |
> |
signal(SIGCONT, report); |
182 |
> |
#undef hostname |
183 |
> |
#endif |
184 |
|
} |
185 |
|
#else |
186 |
|
report() /* report progress */ |
187 |
|
{ |
188 |
< |
tlastrept = time((long *)0); |
189 |
< |
sprintf(errmsg, "%ld rays, %4.2f%% done after %5.4f hours\n", |
188 |
> |
tlastrept = time((time_t *)NULL); |
189 |
> |
sprintf(errmsg, "%lu rays, %4.2f%% after %5.4f hours\n", |
190 |
|
nrays, pctdone, (tlastrept-tstart)/3600.0); |
191 |
|
eputs(errmsg); |
134 |
– |
signal(SIGCONT, report); |
192 |
|
} |
193 |
|
#endif |
194 |
|
|
210 |
|
{ |
211 |
|
extern char *rindex(), *strncpy(), *strcat(), *strcpy(); |
212 |
|
char fbuf[128], fbuf2[128]; |
213 |
+ |
int npicts; |
214 |
|
register char *cp; |
215 |
|
RESOLU rs; |
216 |
|
double pa; |
247 |
|
cp--; |
248 |
|
strcpy(cp, RFTEMPLATE); |
249 |
|
prvr = mktemp(fbuf2); |
250 |
< |
if (rename(fbuf, prvr) < 0 && errno != ENOENT) { |
251 |
< |
sprintf(errmsg, |
250 |
> |
if (rename(fbuf, prvr) < 0) |
251 |
> |
if (errno == ENOENT) { /* ghost file */ |
252 |
> |
sprintf(errmsg, |
253 |
> |
"new output file \"%s\"", |
254 |
> |
fbuf); |
255 |
> |
error(WARNING, errmsg); |
256 |
> |
prvr = NULL; |
257 |
> |
} else { /* serious error */ |
258 |
> |
sprintf(errmsg, |
259 |
|
"cannot rename \"%s\" to \"%s\"", |
260 |
|
fbuf, prvr); |
261 |
< |
error(SYSTEM, errmsg); |
262 |
< |
} |
261 |
> |
error(SYSTEM, errmsg); |
262 |
> |
} |
263 |
|
} |
264 |
|
} |
265 |
< |
/* render sequence */ |
265 |
> |
npicts = 0; /* render sequence */ |
266 |
|
do { |
267 |
|
if (seq && nextview(stdin) == EOF) |
268 |
|
break; |
269 |
+ |
pctdone = 0.0; |
270 |
|
if (pout != NULL) { |
271 |
|
sprintf(fbuf, pout, seq); |
272 |
+ |
if (file_exists(fbuf)) { |
273 |
+ |
if (prvr != NULL || !strcmp(fbuf, pout)) { |
274 |
+ |
sprintf(errmsg, |
275 |
+ |
"output file \"%s\" exists", |
276 |
+ |
fbuf); |
277 |
+ |
error(USER, errmsg); |
278 |
+ |
} |
279 |
+ |
continue; /* don't clobber */ |
280 |
+ |
} |
281 |
|
if (freopen(fbuf, "w", stdout) == NULL) { |
282 |
|
sprintf(errmsg, |
283 |
|
"cannot open output file \"%s\"", fbuf); |
325 |
|
cp = NULL; |
326 |
|
render(cp, prvr); |
327 |
|
prvr = NULL; |
328 |
+ |
npicts++; |
329 |
|
} while (seq++); |
330 |
+ |
/* check that we did something */ |
331 |
+ |
if (npicts == 0) |
332 |
+ |
error(WARNING, "no output produced"); |
333 |
|
} |
334 |
|
|
335 |
|
|
375 |
|
sampdens[i] = hstep; |
376 |
|
} else |
377 |
|
sampdens = NULL; |
378 |
< |
/* open z file */ |
378 |
> |
/* open z-file */ |
379 |
|
if (zfile != NULL) { |
380 |
|
if ((zfd = open(zfile, O_WRONLY|O_CREAT, 0666)) == -1) { |
381 |
< |
sprintf(errmsg, "cannot open z file \"%s\"", zfile); |
381 |
> |
sprintf(errmsg, "cannot open z-file \"%s\"", zfile); |
382 |
|
error(SYSTEM, errmsg); |
383 |
|
} |
384 |
|
#ifdef MSDOS |
398 |
|
fprtresolu(hres, vres, stdout); |
399 |
|
/* recover file and compute first */ |
400 |
|
i = salvage(oldfile); |
401 |
+ |
if (i >= vres) |
402 |
+ |
goto alldone; |
403 |
|
if (zfd != -1 && i > 0 && |
404 |
|
lseek(zfd, (long)i*hres*sizeof(float), 0) == -1) |
405 |
< |
error(SYSTEM, "z file seek error in render"); |
405 |
> |
error(SYSTEM, "z-file seek error in render"); |
406 |
|
pctdone = 100.0*i/vres; |
407 |
|
if (ralrm > 0) /* report init stats */ |
408 |
|
report(); |
446 |
|
goto writerr; |
447 |
|
/* record progress */ |
448 |
|
pctdone = 100.0*(vres-1-ypos)/vres; |
449 |
< |
if (ralrm > 0 && time((long *)0) >= tlastrept+ralrm) |
449 |
> |
if (ralrm > 0 && time((time_t *)NULL) >= tlastrept+ralrm) |
450 |
|
report(); |
451 |
|
#ifndef BSD |
452 |
|
else |
455 |
|
} |
456 |
|
/* clean up */ |
457 |
|
signal(SIGCONT, SIG_IGN); |
458 |
< |
if (zfd != -1) { |
378 |
< |
if (write(zfd, (char *)zbar[0], hres*sizeof(float)) |
458 |
> |
if (zfd != -1 && write(zfd, (char *)zbar[0], hres*sizeof(float)) |
459 |
|
< hres*sizeof(float)) |
460 |
< |
goto writerr; |
460 |
> |
goto writerr; |
461 |
> |
fwritescan(scanbar[0], hres, stdout); |
462 |
> |
if (fflush(stdout) == EOF) |
463 |
> |
goto writerr; |
464 |
> |
alldone: |
465 |
> |
if (zfd != -1) { |
466 |
|
if (close(zfd) == -1) |
467 |
|
goto writerr; |
468 |
|
for (i = 0; i <= psample; i++) |
469 |
|
free((char *)zbar[i]); |
470 |
|
} |
386 |
– |
fwritescan(scanbar[0], hres, stdout); |
387 |
– |
if (fflush(stdout) == EOF) |
388 |
– |
goto writerr; |
471 |
|
for (i = 0; i <= psample; i++) |
472 |
|
free((char *)scanbar[i]); |
473 |
|
if (sampdens != NULL) |
475 |
|
pctdone = 100.0; |
476 |
|
if (ralrm > 0) |
477 |
|
report(); |
478 |
+ |
signal(SIGCONT, SIG_DFL); |
479 |
|
return; |
480 |
|
writerr: |
481 |
|
error(SYSTEM, "write error in render"); |
510 |
|
b = fillsample(scanline, zline, 0, y, i, 0, b/2); |
511 |
|
else |
512 |
|
b = fillsample(scanline+i-xstep, |
513 |
< |
zline ? zline+i-xstep : NULL, |
513 |
> |
zline ? zline+i-xstep : (float *)NULL, |
514 |
|
i-xstep, y, xstep, 0, b/2); |
515 |
|
if (sd) *sd++ = nc & 1 ? bl : b; |
516 |
|
bl = b; |
538 |
|
zline[ysize] = zbar[ysize][i]; |
539 |
|
} |
540 |
|
|
541 |
< |
b = fillsample(vline, zbar[0] ? zline : NULL, |
541 |
> |
b = fillsample(vline, zbar[0] ? zline : (float *)NULL, |
542 |
|
i, y, 0, ysize, b/2); |
543 |
|
|
544 |
|
for (j = 1; j < ysize; j++) |
596 |
|
/* recurse */ |
597 |
|
ncut += fillsample(colline, zline, x, y, xlen>>1, ylen>>1, (b-1)/2); |
598 |
|
|
599 |
< |
ncut += fillsample(colline+(len>>1), zline ? zline+(len>>1) : NULL, |
599 |
> |
ncut += fillsample(colline+(len>>1), |
600 |
> |
zline ? zline+(len>>1) : (float *)NULL, |
601 |
|
x+(xlen>>1), y+(ylen>>1), |
602 |
|
xlen-(xlen>>1), ylen-(ylen>>1), b/2); |
603 |
|
|
612 |
|
{ |
613 |
|
static RAY thisray; |
614 |
|
|
615 |
< |
if (viewray(thisray.rorg, thisray.rdir, &ourview, |
616 |
< |
(x+pixjitter())/hres, (y+pixjitter())/vres) < 0) { |
615 |
> |
if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, &ourview, |
616 |
> |
(x+pixjitter())/hres, (y+pixjitter())/vres)) < -FTINY) { |
617 |
|
setcolor(col, 0.0, 0.0, 0.0); |
618 |
|
return(0.0); |
619 |
|
} |
639 |
|
int x, y; |
640 |
|
|
641 |
|
if (oldfile == NULL) |
642 |
< |
return(0); |
643 |
< |
|
642 |
> |
goto gotzip; |
643 |
> |
|
644 |
|
if ((fp = fopen(oldfile, "r")) == NULL) { |
645 |
|
sprintf(errmsg, "cannot open recover file \"%s\"", oldfile); |
646 |
|
error(WARNING, errmsg); |
647 |
< |
return(0); |
647 |
> |
goto gotzip; |
648 |
|
} |
649 |
|
#ifdef MSDOS |
650 |
|
setmode(fileno(fp), O_BINARY); |
653 |
|
getheader(fp, NULL, NULL); |
654 |
|
/* get picture size */ |
655 |
|
if (!fscnresolu(&x, &y, fp)) { |
656 |
< |
sprintf(errmsg, "bad recover file \"%s\"", oldfile); |
656 |
> |
sprintf(errmsg, "bad recover file \"%s\" - not removed", |
657 |
> |
oldfile); |
658 |
|
error(WARNING, errmsg); |
659 |
|
fclose(fp); |
660 |
< |
return(0); |
660 |
> |
goto gotzip; |
661 |
|
} |
662 |
|
|
663 |
|
if (x != hres || y != vres) { |
681 |
|
fclose(fp); |
682 |
|
unlink(oldfile); |
683 |
|
return(y); |
684 |
+ |
gotzip: |
685 |
+ |
if (fflush(stdout) == EOF) |
686 |
+ |
error(SYSTEM, "error writing picture header"); |
687 |
+ |
return(0); |
688 |
|
writerr: |
689 |
|
sprintf(errmsg, "write error during recovery of \"%s\"", oldfile); |
690 |
|
error(SYSTEM, errmsg); |