9 |
|
|
10 |
|
#include <sys/types.h> |
11 |
|
|
12 |
< |
#ifndef NON_POSIX |
13 |
< |
#ifdef BSD |
14 |
< |
#include <sys/time.h> |
15 |
< |
#include <sys/resource.h> |
12 |
> |
#include "platform.h" |
13 |
> |
#ifdef NON_POSIX |
14 |
> |
#ifdef MINGW |
15 |
> |
#include <sys/time.h> |
16 |
> |
#endif |
17 |
|
#else |
18 |
< |
#include <sys/times.h> |
19 |
< |
#include <unistd.h> |
18 |
> |
#ifdef BSD |
19 |
> |
#include <sys/time.h> |
20 |
> |
#include <sys/resource.h> |
21 |
> |
#else |
22 |
> |
#include <sys/times.h> |
23 |
> |
#include <unistd.h> |
24 |
> |
#endif |
25 |
|
#endif |
20 |
– |
#endif |
26 |
|
|
27 |
|
#include <time.h> |
28 |
|
#include <signal.h> |
29 |
|
|
25 |
– |
#include "platform.h" |
30 |
|
#include "ray.h" |
31 |
|
#include "paths.h" |
32 |
|
#include "ambient.h" |
33 |
|
#include "view.h" |
34 |
|
#include "random.h" |
35 |
|
#include "paths.h" |
36 |
< |
#include "rtmisc.h" /* myhostname() */ |
36 |
> |
#include "hilbert.h" |
37 |
> |
#include "pmapbias.h" |
38 |
> |
#include "pmapdiag.h" |
39 |
|
|
34 |
– |
|
40 |
|
#define RFTEMPLATE "rfXXXXXX" |
41 |
|
|
42 |
|
#ifndef SIGCONT |
48 |
|
CUBE thescene; /* our scene */ |
49 |
|
OBJECT nsceneobjs; /* number of objects in our scene */ |
50 |
|
|
51 |
+ |
extern RGBPRIMP out_prims; /* output color primitives (NULL if spectral) */ |
52 |
+ |
|
53 |
|
int dimlist[MAXDIM]; /* sampling dimensions */ |
54 |
|
int ndims = 0; /* number of sampling dimensions */ |
55 |
|
int samplendx; /* sample index number */ |
56 |
|
|
50 |
– |
//extern void ambnotify(); |
57 |
|
void (*addobjnotify[])() = {ambnotify, NULL}; |
58 |
|
|
59 |
|
VIEW ourview = STDVIEW; /* view parameters */ |
73 |
|
|
74 |
|
int do_irrad = 0; /* compute irradiance? */ |
75 |
|
|
76 |
+ |
int rand_samp = 0; /* pure Monte Carlo sampling? */ |
77 |
+ |
|
78 |
|
double dstrsrc = 0.0; /* square source distribution */ |
79 |
|
double shadthresh = .05; /* shadow threshold */ |
80 |
|
double shadcert = .5; /* shadow certainty */ |
94 |
|
int backvis = 1; /* back face visibility */ |
95 |
|
|
96 |
|
int maxdepth = 7; /* maximum recursion depth */ |
97 |
< |
double minweight = 4e-3; /* minimum ray weight */ |
97 |
> |
double minweight = 1e-4; /* minimum ray weight */ |
98 |
|
|
99 |
|
char *ambfile = NULL; /* ambient file name */ |
100 |
|
COLOR ambval = BLKCOLOR; /* ambient value */ |
121 |
|
|
122 |
|
static VIEW lastview; /* the previous view input */ |
123 |
|
|
116 |
– |
//extern char *mktemp(); /* XXX should be in stdlib.h or unistd.h */ |
117 |
– |
|
118 |
– |
//double pixvalue(); |
119 |
– |
|
124 |
|
static void report(int); |
125 |
|
static int nextview(FILE *fp); |
126 |
|
static void render(char *zfile, char *oldfile); |
136 |
|
|
137 |
|
|
138 |
|
|
135 |
– |
#ifdef RHAS_STAT |
136 |
– |
#include <sys/types.h> |
137 |
– |
#include <sys/stat.h> |
138 |
– |
int |
139 |
– |
file_exists(fname) /* ordinary file exists? */ |
140 |
– |
char *fname; |
141 |
– |
{ |
142 |
– |
struct stat sbuf; |
143 |
– |
if (stat(fname, &sbuf) < 0) return(0); |
144 |
– |
return((sbuf.st_mode & S_IFREG) != 0); |
145 |
– |
} |
146 |
– |
#else |
147 |
– |
#define file_exists(f) (access(f,F_OK)==0) |
148 |
– |
#endif |
149 |
– |
|
150 |
– |
|
139 |
|
void |
140 |
< |
quit(code) /* quit program */ |
153 |
< |
int code; |
140 |
> |
quit(int code) /* quit program */ |
141 |
|
{ |
142 |
|
if (code) /* report status */ |
143 |
|
report(0); |
153 |
|
static void |
154 |
|
report(int dummy) /* report progress */ |
155 |
|
{ |
156 |
< |
double u, s; |
156 |
> |
char bcStat [128]; |
157 |
> |
double u, s; |
158 |
|
#ifdef BSD |
159 |
< |
struct rusage rubuf; |
159 |
> |
struct rusage rubuf; |
160 |
|
#else |
161 |
< |
struct tms tbuf; |
162 |
< |
double period; |
161 |
> |
double period = 1.0 / 60.0; |
162 |
> |
struct tms tbuf; |
163 |
|
#endif |
164 |
|
|
165 |
|
tlastrept = time((time_t *)NULL); |
166 |
|
#ifdef BSD |
167 |
|
getrusage(RUSAGE_SELF, &rubuf); |
168 |
< |
u = rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec/1e6; |
169 |
< |
s = rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec/1e6; |
168 |
> |
u = rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec*1e-6; |
169 |
> |
s = rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec*1e-6; |
170 |
|
getrusage(RUSAGE_CHILDREN, &rubuf); |
171 |
< |
u += rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec/1e6; |
172 |
< |
s += rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec/1e6; |
171 |
> |
u += rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec*1e-6; |
172 |
> |
s += rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec*1e-6; |
173 |
|
#else |
174 |
|
times(&tbuf); |
175 |
|
#ifdef _SC_CLK_TCK |
176 |
|
period = 1.0 / sysconf(_SC_CLK_TCK); |
189 |
– |
#else |
190 |
– |
period = 1.0 / 60.0; |
177 |
|
#endif |
178 |
|
u = ( tbuf.tms_utime + tbuf.tms_cutime ) * period; |
179 |
|
s = ( tbuf.tms_stime + tbuf.tms_cstime ) * period; |
180 |
|
#endif |
181 |
|
|
182 |
+ |
/* PMAP: Get photon map bias compensation statistics */ |
183 |
+ |
pmapBiasCompReport(bcStat); |
184 |
+ |
|
185 |
|
sprintf(errmsg, |
186 |
< |
"%lu rays, %4.2f%% after %.3fu %.3fs %.3fr hours on %s\n", |
187 |
< |
nrays, pctdone, u/3600., s/3600., |
188 |
< |
(tlastrept-tstart)/3600., myhostname()); |
186 |
> |
"%lu rays, %s%4.2f%% after %.3fu %.3fs %.3fr hours on %s (PID %d)\n", |
187 |
> |
nrays, bcStat, pctdone, u*(1./3600.), s*(1./3600.), |
188 |
> |
(tlastrept-tstart)*(1./3600.), myhostname(), getpid()); |
189 |
|
eputs(errmsg); |
190 |
|
#ifdef SIGCONT |
191 |
|
signal(SIGCONT, report); |
195 |
|
static void |
196 |
|
report(int dummy) /* report progress */ |
197 |
|
{ |
198 |
+ |
char bcStat [128]; |
199 |
+ |
|
200 |
|
tlastrept = time((time_t *)NULL); |
201 |
< |
sprintf(errmsg, "%lu rays, %4.2f%% after %5.4f hours\n", |
202 |
< |
nrays, pctdone, (tlastrept-tstart)/3600.0); |
201 |
> |
|
202 |
> |
/* PMAP: Get photon map bias compensation statistics */ |
203 |
> |
pmapBiasCompReport(bcStat); |
204 |
> |
|
205 |
> |
sprintf(errmsg, "%lu rays, %s%4.2f%% after %5.4f hours\n", |
206 |
> |
nrays, bcStat, pctdone, (tlastrept-tstart)/3600.0); |
207 |
|
eputs(errmsg); |
208 |
|
} |
209 |
|
#endif |
210 |
|
|
211 |
|
|
212 |
< |
extern void |
212 |
> |
void |
213 |
|
rpict( /* generate image(s) */ |
214 |
|
int seq, |
215 |
|
char *pout, |
230 |
|
{ |
231 |
|
char fbuf[128], fbuf2[128]; |
232 |
|
int npicts; |
233 |
< |
register char *cp; |
233 |
> |
char *cp; |
234 |
|
RESOLU rs; |
235 |
|
double pa; |
236 |
|
/* check sampling */ |
246 |
|
if (seq <= 0) |
247 |
|
seq = 0; |
248 |
|
else if (prvr != NULL && isint(prvr)) { |
249 |
< |
register int rn; /* skip to specified view */ |
249 |
> |
int rn; /* skip to specified view */ |
250 |
|
if ((rn = atoi(prvr)) < seq) |
251 |
|
error(USER, "recover frame less than start frame"); |
252 |
|
if (pout == NULL) |
289 |
|
break; |
290 |
|
pctdone = 0.0; |
291 |
|
if (pout != NULL) { |
292 |
+ |
int myfd; |
293 |
+ |
close(1); /* reassign stdout */ |
294 |
|
sprintf(fbuf, pout, seq); |
295 |
< |
if (file_exists(fbuf)) { |
296 |
< |
if (prvr != NULL || !strcmp(fbuf, pout)) { |
295 |
> |
tryagain: |
296 |
> |
errno = 0; /* exclusive open */ |
297 |
> |
if ((myfd = open(fbuf, O_WRONLY|O_CREAT|O_EXCL, 0666)) < 0) { |
298 |
> |
if ((errno != EEXIST) | (prvr != NULL) || |
299 |
> |
!strcmp(fbuf, pout)) { |
300 |
|
sprintf(errmsg, |
301 |
< |
"output file \"%s\" exists", |
301 |
> |
"cannot open output file \"%s\"", |
302 |
|
fbuf); |
303 |
< |
error(USER, errmsg); |
303 |
> |
error(SYSTEM, errmsg); |
304 |
|
} |
305 |
|
setview(&ourview); |
306 |
|
continue; /* don't clobber */ |
307 |
|
} |
308 |
< |
if (freopen(fbuf, "w", stdout) == NULL) { |
309 |
< |
sprintf(errmsg, |
310 |
< |
"cannot open output file \"%s\"", fbuf); |
311 |
< |
error(SYSTEM, errmsg); |
308 |
> |
if (myfd != 1) { |
309 |
> |
unlink(fbuf); |
310 |
> |
goto tryagain; /* leave it open */ |
311 |
|
} |
312 |
< |
SET_FILE_BINARY(stdout); |
312 |
> |
SET_FD_BINARY(1); |
313 |
|
dupheader(); |
314 |
|
} |
315 |
|
hres = hresolu; vres = vresolu; pa = pixaspect; |
339 |
|
fputs(VIEWSTR, stdout); |
340 |
|
fprintview(&ourview, stdout); |
341 |
|
putchar('\n'); |
342 |
< |
if (pa < .99 || pa > 1.01) |
342 |
> |
if ((pa < .99) | (pa > 1.01)) |
343 |
|
fputaspect(pa, stdout); |
344 |
|
fputnow(stdout); |
345 |
< |
fputformat(COLRFMT, stdout); |
346 |
< |
putchar('\n'); |
345 |
> |
if (out_prims == xyzprims) { |
346 |
> |
fputformat(CIEFMT, stdout); |
347 |
> |
} else { |
348 |
> |
fputprims(out_prims, stdout); |
349 |
> |
fputformat(COLRFMT, stdout); |
350 |
> |
} |
351 |
> |
putchar('\n'); /* close header */ |
352 |
|
if (zout != NULL) |
353 |
|
sprintf(cp=fbuf, zout, seq); |
354 |
|
else |
393 |
|
int zfd; |
394 |
|
COLOR *colptr; |
395 |
|
float *zptr; |
396 |
< |
register int i; |
396 |
> |
int i; |
397 |
|
/* check for empty image */ |
398 |
< |
if (hres <= 0 || vres <= 0) { |
398 |
> |
if ((hres <= 0) | (vres <= 0)) { |
399 |
|
error(WARNING, "empty output picture"); |
400 |
|
fprtresolu(0, 0, stdout); |
401 |
|
return; |
439 |
|
i = salvage(oldfile); |
440 |
|
if (i >= vres) |
441 |
|
goto alldone; |
442 |
< |
if (zfd != -1 && i > 0 && |
442 |
> |
if ((zfd != -1) & (i > 0) && |
443 |
|
lseek(zfd, (off_t)i*hres*sizeof(float), SEEK_SET) < 0) |
444 |
|
error(SYSTEM, "z-file seek error in render"); |
445 |
|
pctdone = 100.0*i/vres; |
533 |
|
|
534 |
|
static void |
535 |
|
fillscanline( /* fill scan at y */ |
536 |
< |
register COLOR *scanline, |
537 |
< |
register float *zline, |
538 |
< |
register char *sd, |
536 |
> |
COLOR *scanline, |
537 |
> |
float *zline, |
538 |
> |
char *sd, |
539 |
|
int xres, |
540 |
|
int y, |
541 |
|
int xstep |
544 |
|
static int nc = 0; /* number of calls */ |
545 |
|
int bl = xstep, b = xstep; |
546 |
|
double z; |
547 |
< |
register int i; |
547 |
> |
int i; |
548 |
|
|
549 |
|
z = pixvalue(scanline[0], 0, y); |
550 |
|
if (zline) zline[0] = z; |
572 |
|
|
573 |
|
static void |
574 |
|
fillscanbar( /* fill interior */ |
575 |
< |
register COLOR *scanbar[], |
576 |
< |
register float *zbar[], |
575 |
> |
COLOR *scanbar[], |
576 |
> |
float *zbar[], |
577 |
|
int xres, |
578 |
|
int y, |
579 |
|
int ysize |
582 |
|
COLOR vline[MAXDIV+1]; |
583 |
|
float zline[MAXDIV+1]; |
584 |
|
int b = ysize; |
585 |
< |
register int i, j; |
585 |
> |
int i, j; |
586 |
|
|
587 |
|
for (i = 0; i < xres; i++) { |
588 |
|
copycolor(vline[0], scanbar[0][i]); |
605 |
|
|
606 |
|
static int |
607 |
|
fillsample( /* fill interior points */ |
608 |
< |
register COLOR *colline, |
609 |
< |
register float *zline, |
608 |
> |
COLOR *colline, |
609 |
> |
float *zline, |
610 |
|
int x, |
611 |
|
int y, |
612 |
|
int xlen, |
618 |
|
double z; |
619 |
|
COLOR ctmp; |
620 |
|
int ncut; |
621 |
< |
register int len; |
621 |
> |
int len; |
622 |
|
|
623 |
|
if (xlen > 0) /* x or y length is zero */ |
624 |
|
len = xlen; |
666 |
|
int y |
667 |
|
) |
668 |
|
{ |
669 |
+ |
static COLORMAT xyz2myrgbmat; |
670 |
|
RAY thisray; |
671 |
|
FVECT lorg, ldir; |
672 |
< |
double hpos, vpos, vdist, lmax; |
673 |
< |
register int i; |
672 |
> |
double hpos, vpos, lmax; |
673 |
> |
int i; |
674 |
|
/* compute view ray */ |
675 |
+ |
setcolor(col, 0.0, 0.0, 0.0); |
676 |
|
hpos = (x+pixjitter())/hres; |
677 |
|
vpos = (y+pixjitter())/vres; |
678 |
|
if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, |
679 |
< |
&ourview, hpos, vpos)) < -FTINY) { |
674 |
< |
setcolor(col, 0.0, 0.0, 0.0); |
679 |
> |
&ourview, hpos, vpos)) < -FTINY) |
680 |
|
return(0.0); |
681 |
< |
} |
682 |
< |
vdist = ourview.vdist; |
678 |
< |
|
679 |
< |
samplendx = pixnumber(x,y,hres,vres); /* set pixel index */ |
680 |
< |
|
681 |
> |
/* set pixel index */ |
682 |
> |
samplendx = pixnumber(x,y,hres,vres); |
683 |
|
/* optional motion blur */ |
684 |
|
if (lastview.type && mblur > FTINY && (lmax = viewray(lorg, ldir, |
685 |
|
&lastview, hpos, vpos)) >= -FTINY) { |
686 |
< |
register double d = mblur*(.5-urand(281+samplendx)); |
686 |
> |
double d = mblur*(.5-urand(281+samplendx)); |
687 |
|
|
688 |
|
thisray.rmax = (1.-d)*thisray.rmax + d*lmax; |
689 |
|
for (i = 3; i--; ) { |
692 |
|
} |
693 |
|
if (normalize(thisray.rdir) == 0.0) |
694 |
|
return(0.0); |
693 |
– |
vdist = (1.-d)*vdist + d*lastview.vdist; |
695 |
|
} |
696 |
< |
/* optional depth-of-field */ |
697 |
< |
if (dblur > FTINY && vdist > FTINY) { |
698 |
< |
double vc, df[2]; |
698 |
< |
df[0] = PI/4.*dblur*(.5 - frandom())/sqrt(ourview.hn2); |
699 |
< |
df[1] = PI/4.*dblur*(.5 - frandom())/sqrt(ourview.vn2); |
700 |
< |
for (i = 3; i--; ) { |
701 |
< |
vc = thisray.rorg[i] + vdist*thisray.rdir[i]; |
702 |
< |
thisray.rorg[i] += df[0]*ourview.hvec[i] + |
703 |
< |
df[1]*ourview.vvec[i] ; |
704 |
< |
thisray.rdir[i] = vc - thisray.rorg[i]; |
705 |
< |
} |
706 |
< |
if (normalize(thisray.rdir) == 0.0) |
707 |
< |
return(0.0); |
708 |
< |
} |
696 |
> |
/* depth-of-field */ |
697 |
> |
if (!jitteraperture(thisray.rorg, thisray.rdir, &ourview, dblur)) |
698 |
> |
return(0.0); |
699 |
|
|
700 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
700 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
701 |
|
|
702 |
|
rayvalue(&thisray); /* trace ray */ |
703 |
|
|
704 |
< |
copycolor(col, thisray.rcol); /* return color */ |
704 |
> |
if (out_prims == stdprims) { /* return color */ |
705 |
> |
scolor_rgb(col, thisray.rcol); |
706 |
> |
} else if (out_prims == xyzprims) { |
707 |
> |
scolor_cie(col, thisray.rcol); |
708 |
> |
scalecolor(col, WHTEFFICACY); |
709 |
> |
} else if (NCSAMP > 3) { |
710 |
> |
COLOR xyz; |
711 |
> |
if (xyz2myrgbmat[0][0] == 0) |
712 |
> |
compxyz2rgbWBmat(xyz2myrgbmat, out_prims); |
713 |
> |
scolor_cie(xyz, thisray.rcol); |
714 |
> |
colortrans(col, xyz2myrgbmat, xyz); |
715 |
> |
clipgamut(col, xyz[CIEY], CGAMUT_LOWER, cblack, cwhite); |
716 |
> |
} else |
717 |
> |
copycolor(col, thisray.rcol); |
718 |
|
|
719 |
< |
return(thisray.rt); /* return distance */ |
719 |
> |
return(raydistance(&thisray)); /* return distance */ |
720 |
|
} |
721 |
|
|
722 |
|
|
749 |
|
goto gotzip; |
750 |
|
} |
751 |
|
|
752 |
< |
if (x != hres || y != vres) { |
752 |
> |
if ((x != hres) | (y != vres)) { |
753 |
|
sprintf(errmsg, "resolution mismatch in recover file \"%s\"", |
754 |
|
oldfile); |
755 |
|
error(USER, errmsg); |
781 |
|
} |
782 |
|
|
783 |
|
static int |
784 |
< |
pixnumber( /* compute pixel index (brushed) */ |
785 |
< |
register int x, |
786 |
< |
register int y, |
784 |
> |
pixnumber( /* compute pixel index (screen door) */ |
785 |
> |
int x, |
786 |
> |
int y, |
787 |
|
int xres, |
788 |
|
int yres |
789 |
|
) |
790 |
|
{ |
791 |
< |
x -= y; |
792 |
< |
while (x < 0) |
793 |
< |
x += xres; |
794 |
< |
return((((x>>2)*yres + y) << 2) + (x & 3)); |
791 |
> |
unsigned nbits = 0; |
792 |
> |
bitmask_t coord[2]; |
793 |
> |
|
794 |
> |
if (xres < yres) xres = yres; |
795 |
> |
while (xres > 0) { |
796 |
> |
xres >>= 1; |
797 |
> |
++nbits; |
798 |
> |
} |
799 |
> |
coord[0] = x; coord[1] = y; |
800 |
> |
return ((int)hilbert_c2i(2, nbits, coord)); |
801 |
|
} |