26 |
|
int samplendx = 0; /* index for this sample */ |
27 |
|
|
28 |
|
int psample = 8; /* pixel sample size */ |
29 |
< |
double maxdiff = .15; /* max. sample difference */ |
29 |
> |
double maxdiff = .15; /* max. sample difference */ |
30 |
|
|
31 |
< |
double exposure = 1.0; /* exposure for scene */ |
31 |
> |
double exposure = 1.0; /* exposure for scene */ |
32 |
|
|
33 |
< |
double dstrsrc = 0.0; /* square source distribution */ |
34 |
< |
double shadthresh = .1; /* shadow threshold */ |
35 |
< |
double shadcert = .25; /* shadow certainty */ |
33 |
> |
double dstrsrc = 0.0; /* square source distribution */ |
34 |
> |
double shadthresh = .1; /* shadow threshold */ |
35 |
> |
double shadcert = .25; /* shadow certainty */ |
36 |
|
int directrelay = 0; /* number of source relays */ |
37 |
|
int vspretest = 128; /* virtual source pretest density */ |
38 |
< |
int directinvis = 0; /* sources invisible? */ |
39 |
< |
double srcsizerat = 0.; /* maximum ratio source size/dist. */ |
38 |
> |
int directvis = 1; /* sources visible? */ |
39 |
> |
double srcsizerat = 0.; /* maximum ratio source size/dist. */ |
40 |
|
|
41 |
< |
double specthresh = .3; /* specular sampling threshold */ |
42 |
< |
double specjitter = 1.; /* specular sampling jitter */ |
41 |
> |
double specthresh = .3; /* specular sampling threshold */ |
42 |
> |
double specjitter = 1.; /* specular sampling jitter */ |
43 |
|
|
44 |
|
int maxdepth = 4; /* maximum recursion depth */ |
45 |
< |
double minweight = 1e-2; /* minimum ray weight */ |
45 |
> |
double minweight = 1e-2; /* minimum ray weight */ |
46 |
|
|
47 |
|
COLOR ambval = BLKCOLOR; /* ambient value */ |
48 |
< |
double ambacc = 0.2; /* ambient accuracy */ |
48 |
> |
double ambacc = 0.2; /* ambient accuracy */ |
49 |
|
int ambres = 8; /* ambient resolution */ |
50 |
|
int ambdiv = 32; /* ambient divisions */ |
51 |
|
int ambssamp = 0; /* ambient super-samples */ |
68 |
|
|
69 |
|
#define RESERVE_AMT 32768 /* amount of memory to reserve */ |
70 |
|
|
71 |
< |
#define CTRL(c) ((c)-'@') |
71 |
> |
#define CTRL(c) ((c)-'@') |
72 |
|
|
73 |
|
|
74 |
|
quit(code) /* quit program */ |
75 |
|
int code; |
76 |
|
{ |
77 |
+ |
#ifdef MSTATS |
78 |
+ |
if (code == 2 && errno == ENOMEM) |
79 |
+ |
printmemstats(stderr); |
80 |
+ |
#endif |
81 |
|
devclose(); |
82 |
|
exit(code); |
83 |
|
} |
99 |
|
error(USER, errmsg); |
100 |
|
} else |
101 |
|
return; |
102 |
+ |
#ifndef NIX |
103 |
|
/* not there, try exec */ |
104 |
|
if ((dev = comm_init(dname, id)) == NULL) { |
105 |
|
sprintf(errmsg, "cannot start device \"%s\"", dname); |
106 |
|
error(USER, errmsg); |
107 |
|
} |
108 |
+ |
#endif |
109 |
|
} |
110 |
|
|
111 |
|
|
178 |
|
command(prompt) /* get/execute command */ |
179 |
|
char *prompt; |
180 |
|
{ |
181 |
< |
#define badcom(s) strncmp(s, inpbuf, args-inpbuf-1) |
181 |
> |
#define badcom(s) strncmp(s, inpbuf, args-inpbuf-1) |
182 |
|
char inpbuf[256]; |
183 |
|
char *args; |
184 |
|
again: |
189 |
|
else *++args = '\0'; |
190 |
|
|
191 |
|
switch (inpbuf[0]) { |
192 |
< |
case 'f': /* new frame */ |
193 |
< |
if (badcom("frame")) |
194 |
< |
goto commerr; |
192 |
> |
case 'f': /* new frame (or free mem.) */ |
193 |
> |
if (badcom("frame")) { |
194 |
> |
if (badcom("free")) |
195 |
> |
goto commerr; |
196 |
> |
free_objmem(); |
197 |
> |
break; |
198 |
> |
} |
199 |
|
getframe(args); |
200 |
|
break; |
201 |
|
case 'v': /* view */ |
233 |
|
goto commerr; |
234 |
|
getaim(args); |
235 |
|
break; |
236 |
< |
case 'm': /* move camera */ |
236 |
> |
case 'm': /* move camera (or memstats) */ |
237 |
|
if (badcom("move")) |
238 |
< |
#ifdef MSTATS |
238 |
> |
#ifdef MSTATS |
239 |
|
{ |
240 |
|
if (badcom("memory")) |
241 |
|
goto commerr; |
275 |
|
quit(0); |
276 |
|
case CTRL('C'): /* interrupt */ |
277 |
|
goto again; |
278 |
< |
#ifdef SIGTSTP |
278 |
> |
#ifdef SIGTSTP |
279 |
|
case CTRL('Z'): /* stop */ |
280 |
|
devclose(); |
281 |
|
kill(0, SIGTSTP); |
296 |
|
error(COMMAND, errmsg); |
297 |
|
break; |
298 |
|
} |
299 |
< |
#undef badcom |
299 |
> |
#undef badcom |
300 |
|
} |
301 |
|
|
302 |
|
|
306 |
|
RECT r; |
307 |
|
PNODE *p; |
308 |
|
register RECT *rl; |
309 |
< |
register PNODE **pl; |
309 |
> |
register PNODE **pl; |
310 |
|
register int x; |
311 |
|
/* |
312 |
|
* We initialize the bottom row in the image at our current |
313 |
< |
* resolution. During sampling, we check super-pixels to the |
313 |
> |
* resolution. During sampling, we check super-pixels to the |
314 |
|
* right and above by calling bigdiff(). If there is a significant |
315 |
|
* difference, we subsample the super-pixels. The testing process |
316 |
|
* includes initialization of the next row. |
390 |
|
|
391 |
|
int |
392 |
|
refine(p, xmin, ymin, xmax, ymax, pd) /* refine a node */ |
393 |
< |
register PNODE *p; |
393 |
> |
register PNODE *p; |
394 |
|
int xmin, ymin, xmax, ymax; |
395 |
|
int pd; |
396 |
|
{ |