1 |
|
#ifndef lint |
2 |
< |
static const char RCSid[] = "$Id$"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
3 |
|
#endif |
4 |
|
/* |
5 |
|
* rpict.c - routines and variables for picture generation. |
6 |
|
*/ |
7 |
|
|
8 |
< |
/* ==================================================================== |
9 |
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* The Radiance Software License, Version 1.0 |
10 |
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* |
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* Copyright (c) 1990 - 2002 The Regents of the University of California, |
12 |
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* through Lawrence Berkeley National Laboratory. All rights reserved. |
13 |
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* |
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* Redistribution and use in source and binary forms, with or without |
15 |
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* modification, are permitted provided that the following conditions |
16 |
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* are met: |
17 |
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* |
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* 1. Redistributions of source code must retain the above copyright |
19 |
< |
* notice, this list of conditions and the following disclaimer. |
20 |
< |
* |
21 |
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* 2. Redistributions in binary form must reproduce the above copyright |
22 |
< |
* notice, this list of conditions and the following disclaimer in |
23 |
< |
* the documentation and/or other materials provided with the |
24 |
< |
* distribution. |
25 |
< |
* |
26 |
< |
* 3. The end-user documentation included with the redistribution, |
27 |
< |
* if any, must include the following acknowledgment: |
28 |
< |
* "This product includes Radiance software |
29 |
< |
* (http://radsite.lbl.gov/) |
30 |
< |
* developed by the Lawrence Berkeley National Laboratory |
31 |
< |
* (http://www.lbl.gov/)." |
32 |
< |
* Alternately, this acknowledgment may appear in the software itself, |
33 |
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* if and wherever such third-party acknowledgments normally appear. |
34 |
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* |
35 |
< |
* 4. The names "Radiance," "Lawrence Berkeley National Laboratory" |
36 |
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* and "The Regents of the University of California" must |
37 |
< |
* not be used to endorse or promote products derived from this |
38 |
< |
* software without prior written permission. For written |
39 |
< |
* permission, please contact [email protected]. |
40 |
< |
* |
41 |
< |
* 5. Products derived from this software may not be called "Radiance", |
42 |
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* nor may "Radiance" appear in their name, without prior written |
43 |
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* permission of Lawrence Berkeley National Laboratory. |
44 |
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* |
45 |
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
46 |
< |
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
47 |
< |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
48 |
< |
* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR |
49 |
< |
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
50 |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
51 |
< |
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
52 |
< |
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
53 |
< |
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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< |
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
55 |
< |
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
56 |
< |
* SUCH DAMAGE. |
57 |
< |
* ==================================================================== |
58 |
< |
* |
59 |
< |
* This software consists of voluntary contributions made by many |
60 |
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* individuals on behalf of Lawrence Berkeley National Laboratory. For more |
61 |
< |
* information on Lawrence Berkeley National Laboratory, please see |
62 |
< |
* <http://www.lbl.gov/>. |
63 |
< |
*/ |
8 |
> |
#include "copyright.h" |
9 |
|
|
65 |
– |
#include "ray.h" |
66 |
– |
|
10 |
|
#include <sys/types.h> |
11 |
|
|
12 |
< |
#ifndef NIX |
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 |
77 |
– |
#endif |
26 |
|
|
27 |
< |
extern time_t time(); |
80 |
< |
|
27 |
> |
#include <time.h> |
28 |
|
#include <signal.h> |
29 |
|
|
30 |
+ |
#include "ray.h" |
31 |
+ |
#include "paths.h" |
32 |
+ |
#include "ambient.h" |
33 |
|
#include "view.h" |
84 |
– |
|
34 |
|
#include "random.h" |
86 |
– |
|
35 |
|
#include "paths.h" |
36 |
+ |
#include "hilbert.h" |
37 |
+ |
#include "pmapbias.h" |
38 |
+ |
#include "pmapdiag.h" |
39 |
|
|
40 |
|
#define RFTEMPLATE "rfXXXXXX" |
41 |
|
|
42 |
|
#ifndef SIGCONT |
43 |
+ |
#ifdef SIGIO /* XXX can we live without this? */ |
44 |
|
#define SIGCONT SIGIO |
45 |
|
#endif |
46 |
+ |
#endif |
47 |
|
|
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 |
|
|
102 |
– |
extern void ambnotify(); |
57 |
|
void (*addobjnotify[])() = {ambnotify, NULL}; |
58 |
|
|
59 |
|
VIEW ourview = STDVIEW; /* view parameters */ |
67 |
|
|
68 |
|
double mblur = 0.; /* motion blur parameter */ |
69 |
|
|
70 |
+ |
double dblur = 0.; /* depth-of-field blur parameter */ |
71 |
+ |
|
72 |
|
void (*trace)() = NULL; /* trace call */ |
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 */ |
93 |
|
|
94 |
|
int backvis = 1; /* back face visibility */ |
95 |
|
|
96 |
< |
int maxdepth = 6; /* maximum recursion depth */ |
97 |
< |
double minweight = 5e-3; /* minimum ray weight */ |
96 |
> |
int maxdepth = 7; /* maximum recursion depth */ |
97 |
> |
double minweight = 1e-4; /* minimum ray weight */ |
98 |
|
|
99 |
|
char *ambfile = NULL; /* ambient file name */ |
100 |
|
COLOR ambval = BLKCOLOR; /* ambient value */ |
101 |
|
int ambvwt = 0; /* initial weight for ambient value */ |
102 |
|
double ambacc = 0.2; /* ambient accuracy */ |
103 |
< |
int ambres = 32; /* ambient resolution */ |
104 |
< |
int ambdiv = 128; /* ambient divisions */ |
105 |
< |
int ambssamp = 0; /* ambient super-samples */ |
103 |
> |
int ambres = 64; /* ambient resolution */ |
104 |
> |
int ambdiv = 512; /* ambient divisions */ |
105 |
> |
int ambssamp = 128; /* ambient super-samples */ |
106 |
|
int ambounce = 0; /* ambient bounces */ |
107 |
< |
char *amblist[128]; /* ambient include/exclude list */ |
107 |
> |
char *amblist[AMBLLEN]; /* ambient include/exclude list */ |
108 |
|
int ambincl = -1; /* include == 1, exclude == 0 */ |
109 |
|
|
110 |
|
int ralrm = 0; /* seconds between reports */ |
119 |
|
|
120 |
|
int hres, vres; /* resolution for this frame */ |
121 |
|
|
122 |
+ |
extern void sskip_ray(RAY *r, double h, double v); |
123 |
+ |
|
124 |
|
static VIEW lastview; /* the previous view input */ |
125 |
|
|
126 |
< |
extern char *mktemp(); |
126 |
> |
static void report(int); |
127 |
> |
static int nextview(FILE *fp); |
128 |
> |
static void render(char *zfile, char *oldfile); |
129 |
> |
static void fillscanline(COLOR *scanline, float *zline, char *sd, int xres, |
130 |
> |
int y, int xstep); |
131 |
> |
static void fillscanbar(COLOR *scanbar[], float *zbar[], int xres, |
132 |
> |
int y, int ysize); |
133 |
> |
static int fillsample(COLOR *colline, float *zline, int x, int y, |
134 |
> |
int xlen, int ylen, int b); |
135 |
> |
static double pixvalue(COLOR col, int x, int y); |
136 |
> |
static int salvage(char *oldfile); |
137 |
> |
static int pixnumber(int x, int y, int xres, int yres); |
138 |
|
|
168 |
– |
void report(); |
139 |
|
|
170 |
– |
double pixvalue(); |
140 |
|
|
172 |
– |
#ifdef NIX |
173 |
– |
#define file_exists(f) (access(f,F_OK)==0) |
174 |
– |
#else |
175 |
– |
#include <sys/types.h> |
176 |
– |
#include <sys/stat.h> |
177 |
– |
int |
178 |
– |
file_exists(fname) /* ordinary file exists? */ |
179 |
– |
char *fname; |
180 |
– |
{ |
181 |
– |
struct stat sbuf; |
182 |
– |
if (stat(fname, &sbuf) < 0) return(0); |
183 |
– |
return((sbuf.st_mode & S_IFREG) != 0); |
184 |
– |
} |
185 |
– |
#endif |
186 |
– |
|
187 |
– |
|
141 |
|
void |
142 |
< |
quit(code) /* quit program */ |
190 |
< |
int code; |
142 |
> |
quit(int code) /* quit program */ |
143 |
|
{ |
144 |
|
if (code) /* report status */ |
145 |
< |
report(); |
146 |
< |
#ifndef NIX |
145 |
> |
report(0); |
146 |
> |
#ifndef NON_POSIX |
147 |
|
headclean(); /* delete header file */ |
148 |
|
pfclean(); /* clean up persist files */ |
149 |
|
#endif |
151 |
|
} |
152 |
|
|
153 |
|
|
154 |
< |
#ifndef NIX |
155 |
< |
void |
156 |
< |
report() /* report progress */ |
154 |
> |
#ifndef NON_POSIX |
155 |
> |
static void |
156 |
> |
report(int dummy) /* report progress */ |
157 |
|
{ |
158 |
< |
extern char *myhostname(); |
159 |
< |
double u, s; |
158 |
> |
char bcStat [128]; |
159 |
> |
double u, s; |
160 |
|
#ifdef BSD |
161 |
< |
struct rusage rubuf; |
161 |
> |
struct rusage rubuf; |
162 |
|
#else |
163 |
< |
struct tms tbuf; |
164 |
< |
double period; |
163 |
> |
double period = 1.0 / 60.0; |
164 |
> |
struct tms tbuf; |
165 |
|
#endif |
166 |
|
|
167 |
|
tlastrept = time((time_t *)NULL); |
168 |
|
#ifdef BSD |
169 |
|
getrusage(RUSAGE_SELF, &rubuf); |
170 |
< |
u = rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec/1e6; |
171 |
< |
s = rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec/1e6; |
170 |
> |
u = rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec*1e-6; |
171 |
> |
s = rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec*1e-6; |
172 |
|
getrusage(RUSAGE_CHILDREN, &rubuf); |
173 |
< |
u += rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec/1e6; |
174 |
< |
s += rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec/1e6; |
173 |
> |
u += rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec*1e-6; |
174 |
> |
s += rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec*1e-6; |
175 |
|
#else |
176 |
|
times(&tbuf); |
177 |
|
#ifdef _SC_CLK_TCK |
178 |
|
period = 1.0 / sysconf(_SC_CLK_TCK); |
227 |
– |
#else |
228 |
– |
period = 1.0 / 60.0; |
179 |
|
#endif |
180 |
|
u = ( tbuf.tms_utime + tbuf.tms_cutime ) * period; |
181 |
|
s = ( tbuf.tms_stime + tbuf.tms_cstime ) * period; |
182 |
|
#endif |
183 |
|
|
184 |
+ |
/* PMAP: Get photon map bias compensation statistics */ |
185 |
+ |
pmapBiasCompReport(bcStat); |
186 |
+ |
|
187 |
|
sprintf(errmsg, |
188 |
< |
"%lu rays, %4.2f%% after %.3fu %.3fs %.3fr hours on %s\n", |
189 |
< |
nrays, pctdone, u/3600., s/3600., |
190 |
< |
(tlastrept-tstart)/3600., myhostname()); |
188 |
> |
"%lu rays, %s%4.2f%% after %.3fu %.3fs %.3fr hours on %s (PID %d)\n", |
189 |
> |
nrays, bcStat, pctdone, u*(1./3600.), s*(1./3600.), |
190 |
> |
(tlastrept-tstart)*(1./3600.), myhostname(), getpid()); |
191 |
|
eputs(errmsg); |
192 |
< |
#ifndef BSD |
192 |
> |
#ifdef SIGCONT |
193 |
|
signal(SIGCONT, report); |
194 |
|
#endif |
195 |
|
} |
196 |
|
#else |
197 |
< |
void |
198 |
< |
report() /* report progress */ |
197 |
> |
static void |
198 |
> |
report(int dummy) /* report progress */ |
199 |
|
{ |
200 |
+ |
char bcStat [128]; |
201 |
+ |
|
202 |
|
tlastrept = time((time_t *)NULL); |
203 |
< |
sprintf(errmsg, "%lu rays, %4.2f%% after %5.4f hours\n", |
204 |
< |
nrays, pctdone, (tlastrept-tstart)/3600.0); |
203 |
> |
|
204 |
> |
/* PMAP: Get photon map bias compensation statistics */ |
205 |
> |
pmapBiasCompReport(bcStat); |
206 |
> |
|
207 |
> |
sprintf(errmsg, "%lu rays, %s%4.2f%% after %5.4f hours\n", |
208 |
> |
nrays, bcStat, pctdone, (tlastrept-tstart)/3600.0); |
209 |
|
eputs(errmsg); |
210 |
|
} |
211 |
|
#endif |
212 |
|
|
213 |
|
|
214 |
|
void |
215 |
< |
rpict(seq, pout, zout, prvr) /* generate image(s) */ |
216 |
< |
int seq; |
217 |
< |
char *pout, *zout, *prvr; |
215 |
> |
rpict( /* generate image(s) */ |
216 |
> |
int seq, |
217 |
> |
char *pout, |
218 |
> |
char *zout, |
219 |
> |
char *prvr |
220 |
> |
) |
221 |
|
/* |
222 |
|
* If seq is greater than zero, then we will render a sequence of |
223 |
|
* images based on view parameter strings read from the standard input. |
230 |
|
* sequenced file naming. |
231 |
|
*/ |
232 |
|
{ |
271 |
– |
extern char *rindex(), *strncpy(), *strcat(), *strcpy(); |
233 |
|
char fbuf[128], fbuf2[128]; |
234 |
|
int npicts; |
235 |
< |
register char *cp; |
235 |
> |
char *cp; |
236 |
|
RESOLU rs; |
237 |
|
double pa; |
238 |
|
/* check sampling */ |
248 |
|
if (seq <= 0) |
249 |
|
seq = 0; |
250 |
|
else if (prvr != NULL && isint(prvr)) { |
251 |
< |
register int rn; /* skip to specified view */ |
251 |
> |
int rn; /* skip to specified view */ |
252 |
|
if ((rn = atoi(prvr)) < seq) |
253 |
|
error(USER, "recover frame less than start frame"); |
254 |
|
if (pout == NULL) |
259 |
|
setview(&ourview); |
260 |
|
prvr = fbuf; /* mark for renaming */ |
261 |
|
} |
262 |
< |
if (pout != NULL & prvr != NULL) { |
262 |
> |
if ((pout != NULL) & (prvr != NULL)) { |
263 |
|
sprintf(fbuf, pout, seq); |
264 |
|
if (!strcmp(prvr, fbuf)) { /* rename */ |
265 |
|
strcpy(fbuf2, fbuf); |
269 |
|
cp--; |
270 |
|
strcpy(cp, RFTEMPLATE); |
271 |
|
prvr = mktemp(fbuf2); |
272 |
< |
if (rename(fbuf, prvr) < 0) |
272 |
> |
if (rename(fbuf, prvr) < 0) { |
273 |
|
if (errno == ENOENT) { /* ghost file */ |
274 |
|
sprintf(errmsg, |
275 |
|
"new output file \"%s\"", |
282 |
|
fbuf, prvr); |
283 |
|
error(SYSTEM, errmsg); |
284 |
|
} |
285 |
+ |
} |
286 |
|
} |
287 |
|
} |
288 |
|
npicts = 0; /* render sequence */ |
289 |
|
do { |
290 |
|
if (seq && nextview(stdin) == EOF) |
291 |
|
break; |
292 |
+ |
lastview.type *= seq > 1; |
293 |
|
pctdone = 0.0; |
294 |
|
if (pout != NULL) { |
295 |
+ |
int myfd; |
296 |
+ |
close(1); /* reassign stdout */ |
297 |
|
sprintf(fbuf, pout, seq); |
298 |
< |
if (file_exists(fbuf)) { |
299 |
< |
if (prvr != NULL || !strcmp(fbuf, pout)) { |
298 |
> |
tryagain: |
299 |
> |
errno = 0; /* exclusive open */ |
300 |
> |
if ((myfd = open(fbuf, O_WRONLY|O_CREAT|O_EXCL, 0666)) < 0) { |
301 |
> |
if ((errno != EEXIST) | (prvr != NULL) || |
302 |
> |
!strcmp(fbuf, pout)) { |
303 |
|
sprintf(errmsg, |
304 |
< |
"output file \"%s\" exists", |
304 |
> |
"cannot open output file \"%s\"", |
305 |
|
fbuf); |
306 |
< |
error(USER, errmsg); |
306 |
> |
error(SYSTEM, errmsg); |
307 |
|
} |
308 |
|
setview(&ourview); |
309 |
|
continue; /* don't clobber */ |
310 |
|
} |
311 |
< |
if (freopen(fbuf, "w", stdout) == NULL) { |
312 |
< |
sprintf(errmsg, |
313 |
< |
"cannot open output file \"%s\"", fbuf); |
346 |
< |
error(SYSTEM, errmsg); |
311 |
> |
if (myfd != 1) { |
312 |
> |
unlink(fbuf); |
313 |
> |
goto tryagain; /* leave it open */ |
314 |
|
} |
315 |
< |
#ifdef MSDOS |
349 |
< |
setmode(fileno(stdout), O_BINARY); |
350 |
< |
#endif |
315 |
> |
SET_FD_BINARY(1); |
316 |
|
dupheader(); |
317 |
|
} |
318 |
|
hres = hresolu; vres = vresolu; pa = pixaspect; |
319 |
< |
if (prvr != NULL) |
320 |
< |
if (viewfile(prvr, &ourview, &rs) <= 0 |
356 |
< |
|| rs.rt != PIXSTANDARD) { |
319 |
> |
if (prvr != NULL) { |
320 |
> |
if (viewfile(prvr, &ourview, &rs) <= 0) { |
321 |
|
sprintf(errmsg, |
322 |
|
"cannot recover view parameters from \"%s\"", prvr); |
323 |
|
error(WARNING, errmsg); |
326 |
|
hres = scanlen(&rs); |
327 |
|
vres = numscans(&rs); |
328 |
|
} |
329 |
+ |
} |
330 |
|
if ((cp = setview(&ourview)) != NULL) |
331 |
|
error(USER, cp); |
332 |
|
normaspect(viewaspect(&ourview), &pa, &hres, &vres); |
342 |
|
fputs(VIEWSTR, stdout); |
343 |
|
fprintview(&ourview, stdout); |
344 |
|
putchar('\n'); |
345 |
< |
if (pa < .99 || pa > 1.01) |
345 |
> |
if ((pa < .99) | (pa > 1.01)) |
346 |
|
fputaspect(pa, stdout); |
347 |
< |
fputformat(COLRFMT, stdout); |
348 |
< |
putchar('\n'); |
347 |
> |
fputnow(stdout); |
348 |
> |
if (out_prims == xyzprims) { |
349 |
> |
fputformat(CIEFMT, stdout); |
350 |
> |
} else { |
351 |
> |
fputprims(out_prims, stdout); |
352 |
> |
fputformat(COLRFMT, stdout); |
353 |
> |
} |
354 |
> |
putchar('\n'); /* close header */ |
355 |
|
if (zout != NULL) |
356 |
|
sprintf(cp=fbuf, zout, seq); |
357 |
|
else |
366 |
|
} |
367 |
|
|
368 |
|
|
369 |
< |
nextview(fp) /* get next view from fp */ |
370 |
< |
FILE *fp; |
369 |
> |
static int |
370 |
> |
nextview( /* get next view from fp */ |
371 |
> |
FILE *fp |
372 |
> |
) |
373 |
|
{ |
374 |
|
char linebuf[256]; |
375 |
|
|
376 |
< |
copystruct(&lastview, &ourview); |
376 |
> |
lastview = ourview; |
377 |
|
while (fgets(linebuf, sizeof(linebuf), fp) != NULL) |
378 |
|
if (isview(linebuf) && sscanview(&ourview, linebuf) > 0) |
379 |
|
return(0); |
381 |
|
} |
382 |
|
|
383 |
|
|
384 |
< |
render(zfile, oldfile) /* render the scene */ |
385 |
< |
char *zfile, *oldfile; |
384 |
> |
static void |
385 |
> |
render( /* render the scene */ |
386 |
> |
char *zfile, |
387 |
> |
char *oldfile |
388 |
> |
) |
389 |
|
{ |
390 |
+ |
const int srcdrawing = /* manually draw tiny light sources? */ |
391 |
+ |
(directvis && dblur <= FTINY && (mblur <= FTINY) | !lastview.type); |
392 |
|
COLOR *scanbar[MAXDIV+1]; /* scanline arrays of pixel values */ |
393 |
|
float *zbar[MAXDIV+1]; /* z values */ |
394 |
|
char *sampdens; /* previous sample density */ |
398 |
|
int zfd; |
399 |
|
COLOR *colptr; |
400 |
|
float *zptr; |
401 |
< |
register int i; |
401 |
> |
int i; |
402 |
|
/* check for empty image */ |
403 |
< |
if (hres <= 0 || vres <= 0) { |
403 |
> |
if ((hres <= 0) | (vres <= 0)) { |
404 |
|
error(WARNING, "empty output picture"); |
405 |
|
fprtresolu(0, 0, stdout); |
406 |
|
return; |
427 |
|
sprintf(errmsg, "cannot open z-file \"%s\"", zfile); |
428 |
|
error(SYSTEM, errmsg); |
429 |
|
} |
430 |
< |
#ifdef MSDOS |
453 |
< |
setmode(zfd, O_BINARY); |
454 |
< |
#endif |
430 |
> |
SET_FD_BINARY(zfd); |
431 |
|
for (i = 0; i <= psample; i++) { |
432 |
|
zbar[i] = (float *)malloc(hres*sizeof(float)); |
433 |
|
if (zbar[i] == NULL) |
444 |
|
i = salvage(oldfile); |
445 |
|
if (i >= vres) |
446 |
|
goto alldone; |
447 |
< |
if (zfd != -1 && i > 0 && |
448 |
< |
lseek(zfd, (off_t)i*hres*sizeof(float), 0) < 0) |
447 |
> |
if ((zfd != -1) & (i > 0) && |
448 |
> |
lseek(zfd, (off_t)i*hres*sizeof(float), SEEK_SET) < 0) |
449 |
|
error(SYSTEM, "z-file seek error in render"); |
450 |
|
pctdone = 100.0*i/vres; |
451 |
|
if (ralrm > 0) /* report init stats */ |
452 |
< |
report(); |
453 |
< |
#ifndef BSD |
452 |
> |
report(0); |
453 |
> |
#ifdef SIGCONT |
454 |
|
else |
479 |
– |
#endif |
455 |
|
signal(SIGCONT, report); |
456 |
+ |
#endif |
457 |
|
ypos = vres-1 - i; /* initialize sampling */ |
458 |
< |
if (directvis) |
458 |
> |
if (srcdrawing) |
459 |
|
init_drawsources(psample); |
460 |
|
fillscanline(scanbar[0], zbar[0], sampdens, hres, ypos, hstep); |
461 |
|
/* compute scanlines */ |
476 |
|
hres, ypos, hstep); |
477 |
|
/* fill bar */ |
478 |
|
fillscanbar(scanbar, zbar, hres, ypos, ystep); |
479 |
< |
if (directvis) /* add bitty sources */ |
480 |
< |
drawsources(scanbar, zbar, 0, hres, ypos, ystep); |
479 |
> |
if (srcdrawing) /* add bitty sources */ |
480 |
> |
drawsources((COLORV **)scanbar, out_prims, zbar, 0, hres, ypos, ystep); |
481 |
|
/* write it out */ |
482 |
< |
#ifndef BSD |
482 |
> |
#ifdef SIGCONT |
483 |
|
signal(SIGCONT, SIG_IGN); /* don't interrupt writes */ |
484 |
|
#endif |
485 |
|
for (i = ystep; i > 0; i--) { |
495 |
|
/* record progress */ |
496 |
|
pctdone = 100.0*(vres-1-ypos)/vres; |
497 |
|
if (ralrm > 0 && time((time_t *)NULL) >= tlastrept+ralrm) |
498 |
< |
report(); |
499 |
< |
#ifndef BSD |
498 |
> |
report(0); |
499 |
> |
#ifdef SIGCONT |
500 |
|
else |
501 |
|
signal(SIGCONT, report); |
502 |
|
#endif |
503 |
|
} |
504 |
|
/* clean up */ |
505 |
+ |
#ifdef SIGCONT |
506 |
|
signal(SIGCONT, SIG_IGN); |
507 |
+ |
#endif |
508 |
|
if (zfd != -1 && write(zfd, (char *)zbar[0], hres*sizeof(float)) |
509 |
|
< hres*sizeof(float)) |
510 |
|
goto writerr; |
524 |
|
free(sampdens); |
525 |
|
pctdone = 100.0; |
526 |
|
if (ralrm > 0) |
527 |
< |
report(); |
527 |
> |
report(0); |
528 |
> |
#ifdef SIGCONT |
529 |
|
signal(SIGCONT, SIG_DFL); |
530 |
+ |
#endif |
531 |
|
return; |
532 |
|
writerr: |
533 |
|
error(SYSTEM, "write error in render"); |
536 |
|
} |
537 |
|
|
538 |
|
|
539 |
< |
fillscanline(scanline, zline, sd, xres, y, xstep) /* fill scan at y */ |
540 |
< |
register COLOR *scanline; |
541 |
< |
register float *zline; |
542 |
< |
register char *sd; |
543 |
< |
int xres, y, xstep; |
539 |
> |
static void |
540 |
> |
fillscanline( /* fill scan at y */ |
541 |
> |
COLOR *scanline, |
542 |
> |
float *zline, |
543 |
> |
char *sd, |
544 |
> |
int xres, |
545 |
> |
int y, |
546 |
> |
int xstep |
547 |
> |
) |
548 |
|
{ |
549 |
|
static int nc = 0; /* number of calls */ |
550 |
|
int bl = xstep, b = xstep; |
551 |
|
double z; |
552 |
< |
register int i; |
552 |
> |
int i; |
553 |
|
|
554 |
|
z = pixvalue(scanline[0], 0, y); |
555 |
|
if (zline) zline[0] = z; |
575 |
|
} |
576 |
|
|
577 |
|
|
578 |
< |
fillscanbar(scanbar, zbar, xres, y, ysize) /* fill interior */ |
579 |
< |
register COLOR *scanbar[]; |
580 |
< |
register float *zbar[]; |
581 |
< |
int xres, y, ysize; |
578 |
> |
static void |
579 |
> |
fillscanbar( /* fill interior */ |
580 |
> |
COLOR *scanbar[], |
581 |
> |
float *zbar[], |
582 |
> |
int xres, |
583 |
> |
int y, |
584 |
> |
int ysize |
585 |
> |
) |
586 |
|
{ |
587 |
|
COLOR vline[MAXDIV+1]; |
588 |
|
float zline[MAXDIV+1]; |
589 |
|
int b = ysize; |
590 |
< |
register int i, j; |
590 |
> |
int i, j; |
591 |
|
|
592 |
|
for (i = 0; i < xres; i++) { |
593 |
|
copycolor(vline[0], scanbar[0][i]); |
608 |
|
} |
609 |
|
|
610 |
|
|
611 |
< |
int |
612 |
< |
fillsample(colline, zline, x, y, xlen, ylen, b) /* fill interior points */ |
613 |
< |
register COLOR *colline; |
614 |
< |
register float *zline; |
615 |
< |
int x, y; |
616 |
< |
int xlen, ylen; |
617 |
< |
int b; |
611 |
> |
static int |
612 |
> |
fillsample( /* fill interior points */ |
613 |
> |
COLOR *colline, |
614 |
> |
float *zline, |
615 |
> |
int x, |
616 |
> |
int y, |
617 |
> |
int xlen, |
618 |
> |
int ylen, |
619 |
> |
int b |
620 |
> |
) |
621 |
|
{ |
622 |
|
double ratio; |
623 |
|
double z; |
624 |
|
COLOR ctmp; |
625 |
|
int ncut; |
626 |
< |
register int len; |
626 |
> |
int len; |
627 |
|
|
628 |
|
if (xlen > 0) /* x or y length is zero */ |
629 |
|
len = xlen; |
664 |
|
} |
665 |
|
|
666 |
|
|
667 |
< |
double |
668 |
< |
pixvalue(col, x, y) /* compute pixel value */ |
669 |
< |
COLOR col; /* returned color */ |
670 |
< |
int x, y; /* pixel position */ |
667 |
> |
static double |
668 |
> |
pixvalue( /* compute pixel value */ |
669 |
> |
COLOR col, /* returned color */ |
670 |
> |
int x, /* pixel position */ |
671 |
> |
int y |
672 |
> |
) |
673 |
|
{ |
674 |
|
RAY thisray; |
675 |
|
FVECT lorg, ldir; |
676 |
< |
double hpos, vpos, lmax, d; |
676 |
> |
double hpos, vpos, lmax; |
677 |
> |
int i; |
678 |
|
/* compute view ray */ |
679 |
+ |
setcolor(col, 0.0, 0.0, 0.0); |
680 |
|
hpos = (x+pixjitter())/hres; |
681 |
|
vpos = (y+pixjitter())/vres; |
682 |
|
if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, |
683 |
< |
&ourview, hpos, vpos)) < -FTINY) { |
689 |
< |
setcolor(col, 0.0, 0.0, 0.0); |
683 |
> |
&ourview, hpos, vpos)) < -FTINY) |
684 |
|
return(0.0); |
685 |
< |
} |
686 |
< |
|
693 |
< |
samplendx = pixnumber(x,y,hres,vres); /* set pixel index */ |
694 |
< |
|
685 |
> |
/* set pixel index */ |
686 |
> |
samplendx = pixnumber(x,y,hres,vres); |
687 |
|
/* optional motion blur */ |
688 |
|
if (lastview.type && mblur > FTINY && (lmax = viewray(lorg, ldir, |
689 |
|
&lastview, hpos, vpos)) >= -FTINY) { |
690 |
< |
register int i; |
699 |
< |
register double d = mblur*(.5-urand(281+samplendx)); |
690 |
> |
double d = mblur*(.5-urand(281+samplendx)); |
691 |
|
|
692 |
|
thisray.rmax = (1.-d)*thisray.rmax + d*lmax; |
693 |
|
for (i = 3; i--; ) { |
697 |
|
if (normalize(thisray.rdir) == 0.0) |
698 |
|
return(0.0); |
699 |
|
} |
700 |
+ |
/* depth-of-field */ |
701 |
+ |
if (!jitteraperture(thisray.rorg, thisray.rdir, &ourview, dblur)) |
702 |
+ |
return(0.0); |
703 |
|
|
704 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
704 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
705 |
|
|
706 |
|
rayvalue(&thisray); /* trace ray */ |
707 |
+ |
/* -> color */ |
708 |
+ |
scolor_out(col, out_prims, thisray.rcol); |
709 |
|
|
710 |
< |
copycolor(col, thisray.rcol); /* return color */ |
715 |
< |
|
716 |
< |
return(thisray.rt); /* return distance */ |
710 |
> |
return(raydistance(&thisray)); /* return distance */ |
711 |
|
} |
712 |
|
|
713 |
|
|
714 |
< |
int |
715 |
< |
salvage(oldfile) /* salvage scanlines from killed program */ |
716 |
< |
char *oldfile; |
714 |
> |
static int |
715 |
> |
salvage( /* salvage scanlines from killed program */ |
716 |
> |
char *oldfile |
717 |
> |
) |
718 |
|
{ |
719 |
|
COLR *scanline; |
720 |
|
FILE *fp; |
728 |
|
error(WARNING, errmsg); |
729 |
|
goto gotzip; |
730 |
|
} |
731 |
< |
#ifdef MSDOS |
737 |
< |
setmode(fileno(fp), O_BINARY); |
738 |
< |
#endif |
731 |
> |
SET_FILE_BINARY(fp); |
732 |
|
/* discard header */ |
733 |
|
getheader(fp, NULL, NULL); |
734 |
|
/* get picture size */ |
740 |
|
goto gotzip; |
741 |
|
} |
742 |
|
|
743 |
< |
if (x != hres || y != vres) { |
743 |
> |
if ((x != hres) | (y != vres)) { |
744 |
|
sprintf(errmsg, "resolution mismatch in recover file \"%s\"", |
745 |
|
oldfile); |
746 |
|
error(USER, errmsg); |
768 |
|
writerr: |
769 |
|
sprintf(errmsg, "write error during recovery of \"%s\"", oldfile); |
770 |
|
error(SYSTEM, errmsg); |
771 |
+ |
return -1; /* pro forma return */ |
772 |
|
} |
773 |
|
|
774 |
< |
|
775 |
< |
int |
776 |
< |
pixnumber(x, y, xres, yres) /* compute pixel index (brushed) */ |
777 |
< |
register int x, y; |
778 |
< |
int xres, yres; |
774 |
> |
static int |
775 |
> |
pixnumber( /* compute pixel index (screen door) */ |
776 |
> |
int x, |
777 |
> |
int y, |
778 |
> |
int xres, |
779 |
> |
int yres |
780 |
> |
) |
781 |
|
{ |
782 |
< |
x -= y; |
783 |
< |
while (x < 0) |
784 |
< |
x += xres; |
785 |
< |
return((((x>>2)*yres + y) << 2) + (x & 3)); |
782 |
> |
unsigned nbits = 0; |
783 |
> |
bitmask_t coord[2]; |
784 |
> |
|
785 |
> |
if (xres < yres) xres = yres; |
786 |
> |
while (xres > 0) { |
787 |
> |
xres >>= 1; |
788 |
> |
++nbits; |
789 |
> |
} |
790 |
> |
coord[0] = x; coord[1] = y; |
791 |
> |
return ((int)hilbert_c2i(2, nbits, coord)); |
792 |
|
} |