7 |
|
* External symbols declared in rpaint.h |
8 |
|
*/ |
9 |
|
|
10 |
< |
/* ==================================================================== |
11 |
< |
* The Radiance Software License, Version 1.0 |
12 |
< |
* |
13 |
< |
* Copyright (c) 1990 - 2002 The Regents of the University of California, |
14 |
< |
* through Lawrence Berkeley National Laboratory. All rights reserved. |
15 |
< |
* |
16 |
< |
* Redistribution and use in source and binary forms, with or without |
17 |
< |
* modification, are permitted provided that the following conditions |
18 |
< |
* are met: |
19 |
< |
* |
20 |
< |
* 1. Redistributions of source code must retain the above copyright |
21 |
< |
* notice, this list of conditions and the following disclaimer. |
22 |
< |
* |
23 |
< |
* 2. Redistributions in binary form must reproduce the above copyright |
24 |
< |
* notice, this list of conditions and the following disclaimer in |
25 |
< |
* the documentation and/or other materials provided with the |
26 |
< |
* distribution. |
27 |
< |
* |
28 |
< |
* 3. The end-user documentation included with the redistribution, |
29 |
< |
* if any, must include the following acknowledgment: |
30 |
< |
* "This product includes Radiance software |
31 |
< |
* (http://radsite.lbl.gov/) |
32 |
< |
* developed by the Lawrence Berkeley National Laboratory |
33 |
< |
* (http://www.lbl.gov/)." |
34 |
< |
* Alternately, this acknowledgment may appear in the software itself, |
35 |
< |
* if and wherever such third-party acknowledgments normally appear. |
36 |
< |
* |
37 |
< |
* 4. The names "Radiance," "Lawrence Berkeley National Laboratory" |
38 |
< |
* and "The Regents of the University of California" must |
39 |
< |
* not be used to endorse or promote products derived from this |
40 |
< |
* software without prior written permission. For written |
41 |
< |
* permission, please contact [email protected]. |
42 |
< |
* |
43 |
< |
* 5. Products derived from this software may not be called "Radiance", |
44 |
< |
* nor may "Radiance" appear in their name, without prior written |
45 |
< |
* permission of Lawrence Berkeley National Laboratory. |
46 |
< |
* |
47 |
< |
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
48 |
< |
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
49 |
< |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
50 |
< |
* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR |
51 |
< |
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
52 |
< |
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
53 |
< |
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
54 |
< |
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
55 |
< |
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
56 |
< |
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
57 |
< |
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
58 |
< |
* SUCH DAMAGE. |
59 |
< |
* ==================================================================== |
60 |
< |
* |
61 |
< |
* This software consists of voluntary contributions made by many |
62 |
< |
* individuals on behalf of Lawrence Berkeley National Laboratory. For more |
63 |
< |
* information on Lawrence Berkeley National Laboratory, please see |
64 |
< |
* <http://www.lbl.gov/>. |
65 |
< |
*/ |
10 |
> |
#include "copyright.h" |
11 |
|
|
67 |
– |
#include "ray.h" |
68 |
– |
|
69 |
– |
#include "rpaint.h" |
70 |
– |
|
12 |
|
#include <signal.h> |
72 |
– |
|
13 |
|
#include <ctype.h> |
14 |
|
|
15 |
< |
CUBE thescene; /* our scene */ |
16 |
< |
OBJECT nsceneobjs; /* number of objects in our scene */ |
15 |
> |
#include "ray.h" |
16 |
> |
#include "rpaint.h" |
17 |
|
|
78 |
– |
int dimlist[MAXDIM]; /* sampling dimensions */ |
79 |
– |
int ndims = 0; /* number of sampling dimensions */ |
80 |
– |
int samplendx = 0; /* index for this sample */ |
81 |
– |
|
82 |
– |
extern void ambnotify(); |
83 |
– |
void (*addobjnotify[])() = {ambnotify, NULL}; |
84 |
– |
|
85 |
– |
VIEW ourview = STDVIEW; /* viewing parameters */ |
86 |
– |
int hresolu, vresolu; /* image resolution */ |
87 |
– |
|
88 |
– |
void (*trace)() = NULL; /* trace call */ |
89 |
– |
|
90 |
– |
int do_irrad = 0; /* compute irradiance? */ |
91 |
– |
|
92 |
– |
int psample = 8; /* pixel sample size */ |
93 |
– |
double maxdiff = .15; /* max. sample difference */ |
94 |
– |
|
95 |
– |
double exposure = 1.0; /* exposure for scene */ |
96 |
– |
|
97 |
– |
double dstrsrc = 0.0; /* square source distribution */ |
98 |
– |
double shadthresh = .1; /* shadow threshold */ |
99 |
– |
double shadcert = .25; /* shadow certainty */ |
100 |
– |
int directrelay = 0; /* number of source relays */ |
101 |
– |
int vspretest = 128; /* virtual source pretest density */ |
102 |
– |
int directvis = 1; /* sources visible? */ |
103 |
– |
double srcsizerat = 0.; /* maximum ratio source size/dist. */ |
104 |
– |
|
105 |
– |
COLOR cextinction = BLKCOLOR; /* global extinction coefficient */ |
106 |
– |
COLOR salbedo = BLKCOLOR; /* global scattering albedo */ |
107 |
– |
double seccg = 0.; /* global scattering eccentricity */ |
108 |
– |
double ssampdist = 0.; /* scatter sampling distance */ |
109 |
– |
|
110 |
– |
double specthresh = .3; /* specular sampling threshold */ |
111 |
– |
double specjitter = 1.; /* specular sampling jitter */ |
112 |
– |
|
113 |
– |
int backvis = 1; /* back face visibility */ |
114 |
– |
|
115 |
– |
int maxdepth = 4; /* maximum recursion depth */ |
116 |
– |
double minweight = 1e-2; /* minimum ray weight */ |
117 |
– |
|
118 |
– |
char *ambfile = NULL; /* ambient file name */ |
119 |
– |
COLOR ambval = BLKCOLOR; /* ambient value */ |
120 |
– |
int ambvwt = 0; /* initial weight for ambient value */ |
121 |
– |
double ambacc = 0.2; /* ambient accuracy */ |
122 |
– |
int ambres = 8; /* ambient resolution */ |
123 |
– |
int ambdiv = 32; /* ambient divisions */ |
124 |
– |
int ambssamp = 0; /* ambient super-samples */ |
125 |
– |
int ambounce = 0; /* ambient bounces */ |
126 |
– |
char *amblist[128]; /* ambient include/exclude list */ |
127 |
– |
int ambincl = -1; /* include == 1, exclude == 0 */ |
128 |
– |
|
129 |
– |
int greyscale = 0; /* map colors to brightness? */ |
130 |
– |
char *dvcname = dev_default; /* output device name */ |
131 |
– |
|
132 |
– |
struct driver *dev = NULL; /* driver functions */ |
133 |
– |
|
134 |
– |
char rifname[128]; /* rad input file name */ |
135 |
– |
|
136 |
– |
VIEW oldview; /* previous view parameters */ |
137 |
– |
|
138 |
– |
PNODE ptrunk; /* the base of our image */ |
139 |
– |
RECT pframe; /* current frame boundaries */ |
140 |
– |
int pdepth; /* image depth in current frame */ |
141 |
– |
|
142 |
– |
static char *reserve_mem = NULL; /* pre-allocated reserve memory */ |
143 |
– |
|
144 |
– |
#define RESERVE_AMT 32768 /* amount of memory to reserve */ |
145 |
– |
|
18 |
|
#define CTRL(c) ((c)-'@') |
19 |
|
|
20 |
|
|
21 |
|
void |
22 |
< |
quit(code) /* quit program */ |
23 |
< |
int code; |
22 |
> |
devopen( /* open device driver */ |
23 |
> |
char *dname |
24 |
> |
) |
25 |
|
{ |
153 |
– |
#ifdef MSTATS |
154 |
– |
if (code == 2 && errno == ENOMEM) |
155 |
– |
printmemstats(stderr); |
156 |
– |
#endif |
157 |
– |
devclose(); |
158 |
– |
exit(code); |
159 |
– |
} |
160 |
– |
|
161 |
– |
|
162 |
– |
void |
163 |
– |
devopen(dname) /* open device driver */ |
164 |
– |
char *dname; |
165 |
– |
{ |
26 |
|
extern char *progname, *octname; |
27 |
|
char *id; |
28 |
< |
register int i; |
28 |
> |
int i; |
29 |
|
|
30 |
|
id = octname!=NULL ? octname : progname; |
31 |
|
/* check device table */ |
32 |
|
for (i = 0; devtable[i].name; i++) |
33 |
< |
if (!strcmp(dname, devtable[i].name)) |
33 |
> |
if (!strcmp(dname, devtable[i].name)) { |
34 |
|
if ((dev = (*devtable[i].init)(dname, id)) == NULL) { |
35 |
|
sprintf(errmsg, "cannot initialize %s", dname); |
36 |
|
error(USER, errmsg); |
37 |
|
} else |
38 |
|
return; |
39 |
< |
#ifndef NIX |
39 |
> |
} |
40 |
|
/* not there, try exec */ |
41 |
|
if ((dev = comm_init(dname, id)) == NULL) { |
42 |
|
sprintf(errmsg, "cannot start device \"%s\"", dname); |
43 |
|
error(USER, errmsg); |
44 |
|
} |
185 |
– |
#endif |
45 |
|
} |
46 |
|
|
47 |
|
|
48 |
|
void |
49 |
< |
devclose() /* close our device */ |
49 |
> |
devclose(void) /* close our device */ |
50 |
|
{ |
51 |
|
if (dev != NULL) |
52 |
|
(*dev->close)(); |
55 |
|
|
56 |
|
|
57 |
|
void |
58 |
< |
printdevices() /* print list of output devices */ |
58 |
> |
printdevices(void) /* print list of output devices */ |
59 |
|
{ |
60 |
< |
register int i; |
60 |
> |
int i; |
61 |
|
|
62 |
|
for (i = 0; devtable[i].name; i++) |
63 |
|
printf("%-16s # %s\n", devtable[i].name, devtable[i].descrip); |
65 |
|
|
66 |
|
|
67 |
|
void |
68 |
< |
rview() /* do a view */ |
68 |
> |
rview(void) /* do a view */ |
69 |
|
{ |
70 |
|
char buf[32]; |
71 |
|
|
72 |
|
devopen(dvcname); /* open device */ |
73 |
< |
newimage(); /* start image (calls fillreserves) */ |
73 |
> |
newimage(NULL); /* start image */ |
74 |
|
|
75 |
|
for ( ; ; ) { /* quit in command() */ |
76 |
|
while (hresolu <= 1<<pdepth && vresolu <= 1<<pdepth) |
77 |
|
command("done: "); |
219 |
– |
while (reserve_mem == NULL) |
220 |
– |
command("out of memory: "); |
78 |
|
errno = 0; |
79 |
|
if (hresolu <= psample<<pdepth && vresolu <= psample<<pdepth) { |
80 |
|
sprintf(buf, "%d sampling...\n", 1<<pdepth); |
83 |
|
} else { |
84 |
|
sprintf(buf, "%d refining...\n", 1<<pdepth); |
85 |
|
(*dev->comout)(buf); |
86 |
< |
refine(&ptrunk, 0, 0, hresolu, vresolu, pdepth+1); |
86 |
> |
refine(&ptrunk, pdepth+1); |
87 |
|
} |
88 |
< |
if (errno == ENOMEM) /* ran out of memory */ |
232 |
< |
freereserves(); |
233 |
< |
else if (dev->inpready) /* noticed some input */ |
88 |
> |
if (dev->inpready) /* noticed some input */ |
89 |
|
command(": "); |
90 |
|
else /* finished this depth */ |
91 |
|
pdepth++; |
94 |
|
|
95 |
|
|
96 |
|
void |
97 |
< |
fillreserves() /* fill memory reserves */ |
97 |
> |
command( /* get/execute command */ |
98 |
> |
char *prompt |
99 |
> |
) |
100 |
|
{ |
244 |
– |
if (reserve_mem != NULL) |
245 |
– |
return; |
246 |
– |
reserve_mem = (char *)malloc(RESERVE_AMT); |
247 |
– |
} |
248 |
– |
|
249 |
– |
|
250 |
– |
void |
251 |
– |
freereserves() /* free memory reserves */ |
252 |
– |
{ |
253 |
– |
if (reserve_mem == NULL) |
254 |
– |
return; |
255 |
– |
free(reserve_mem); |
256 |
– |
reserve_mem = NULL; |
257 |
– |
} |
258 |
– |
|
259 |
– |
|
260 |
– |
void |
261 |
– |
command(prompt) /* get/execute command */ |
262 |
– |
char *prompt; |
263 |
– |
{ |
101 |
|
#define badcom(s) strncmp(s, inpbuf, args-inpbuf-1) |
102 |
|
char inpbuf[256]; |
103 |
|
char *args; |
107 |
|
; |
108 |
|
if (*args) *args++ = '\0'; |
109 |
|
else *++args = '\0'; |
110 |
+ |
|
111 |
+ |
if (waitrays() < 0) /* clear ray queue */ |
112 |
+ |
quit(1); |
113 |
|
|
114 |
|
switch (inpbuf[0]) { |
115 |
< |
case 'f': /* new frame (or free mem.) */ |
115 |
> |
case 'f': /* new frame (|focus|free) */ |
116 |
|
if (badcom("frame")) { |
117 |
< |
if (badcom("free")) |
118 |
< |
goto commerr; |
119 |
< |
free_objmem(); |
117 |
> |
if (badcom("focus")) { |
118 |
> |
if (badcom("free")) |
119 |
> |
goto commerr; |
120 |
> |
free_objmem(); |
121 |
> |
break; |
122 |
> |
} |
123 |
> |
getfocus(args); |
124 |
|
break; |
125 |
|
} |
126 |
|
getframe(args); |
163 |
|
case 'n': /* new picture */ |
164 |
|
if (badcom("new")) |
165 |
|
goto commerr; |
166 |
< |
newimage(); |
166 |
> |
newimage(args); |
167 |
|
break; |
168 |
|
case 't': /* trace a ray */ |
169 |
|
if (badcom("trace")) |
251 |
|
|
252 |
|
|
253 |
|
void |
254 |
< |
rsample() /* sample the image */ |
254 |
> |
rsample(void) /* sample the image */ |
255 |
|
{ |
256 |
|
int xsiz, ysiz, y; |
413 |
– |
RECT r; |
257 |
|
PNODE *p; |
258 |
< |
register RECT *rl; |
259 |
< |
register PNODE **pl; |
417 |
< |
register int x; |
258 |
> |
PNODE **pl; |
259 |
> |
int x; |
260 |
|
/* |
261 |
|
* We initialize the bottom row in the image at our current |
262 |
|
* resolution. During sampling, we check super-pixels to the |
266 |
|
*/ |
267 |
|
xsiz = (((long)(pframe.r-pframe.l)<<pdepth)+hresolu-1) / hresolu; |
268 |
|
ysiz = (((long)(pframe.u-pframe.d)<<pdepth)+vresolu-1) / vresolu; |
427 |
– |
rl = (RECT *)malloc(xsiz*sizeof(RECT)); |
428 |
– |
if (rl == NULL) |
429 |
– |
return; |
269 |
|
pl = (PNODE **)malloc(xsiz*sizeof(PNODE *)); |
270 |
< |
if (pl == NULL) { |
432 |
< |
free((void *)rl); |
270 |
> |
if (pl == NULL) |
271 |
|
return; |
434 |
– |
} |
272 |
|
/* |
273 |
|
* Initialize the bottom row. |
274 |
|
*/ |
275 |
< |
rl[0].l = rl[0].d = 0; |
439 |
< |
rl[0].r = hresolu; rl[0].u = vresolu; |
440 |
< |
pl[0] = findrect(pframe.l, pframe.d, &ptrunk, rl, pdepth); |
275 |
> |
pl[0] = findrect(pframe.l, pframe.d, &ptrunk, pdepth); |
276 |
|
for (x = 1; x < xsiz; x++) { |
442 |
– |
rl[x].l = rl[x].d = 0; |
443 |
– |
rl[x].r = hresolu; rl[x].u = vresolu; |
277 |
|
pl[x] = findrect(pframe.l+((x*hresolu)>>pdepth), |
278 |
< |
pframe.d, &ptrunk, rl+x, pdepth); |
278 |
> |
pframe.d, &ptrunk, pdepth); |
279 |
|
} |
280 |
|
/* sample the image */ |
281 |
|
for (y = 0; /* y < ysiz */ ; y++) { |
287 |
|
*/ |
288 |
|
if (pl[x] != pl[x+1] && bigdiff(pl[x]->v, |
289 |
|
pl[x+1]->v, maxdiff)) { |
290 |
< |
refine(pl[x], rl[x].l, rl[x].d, |
291 |
< |
rl[x].r, rl[x].u, 1); |
459 |
< |
refine(pl[x+1], rl[x+1].l, rl[x+1].d, |
460 |
< |
rl[x+1].r, rl[x+1].u, 1); |
290 |
> |
refine(pl[x], 1); |
291 |
> |
refine(pl[x+1], 1); |
292 |
|
} |
293 |
|
} |
294 |
|
if (y >= ysiz-1) |
299 |
|
/* |
300 |
|
* Find super-pixel at this position in next row. |
301 |
|
*/ |
471 |
– |
r.l = r.d = 0; |
472 |
– |
r.r = hresolu; r.u = vresolu; |
302 |
|
p = findrect(pframe.l+((x*hresolu)>>pdepth), |
303 |
|
pframe.d+(((y+1)*vresolu)>>pdepth), |
304 |
< |
&ptrunk, &r, pdepth); |
304 |
> |
&ptrunk, pdepth); |
305 |
|
/* |
306 |
|
* Test super-pixel in next row. |
307 |
|
*/ |
308 |
|
if (pl[x] != p && bigdiff(pl[x]->v, p->v, maxdiff)) { |
309 |
< |
refine(pl[x], rl[x].l, rl[x].d, |
310 |
< |
rl[x].r, rl[x].u, 1); |
482 |
< |
refine(p, r.l, r.d, r.r, r.u, 1); |
309 |
> |
refine(pl[x], 1); |
310 |
> |
refine(p, 1); |
311 |
|
} |
312 |
|
/* |
313 |
|
* Copy into super-pixel array. |
314 |
|
*/ |
487 |
– |
rl[x].l = r.l; rl[x].d = r.d; |
488 |
– |
rl[x].r = r.r; rl[x].u = r.u; |
315 |
|
pl[x] = p; |
316 |
|
} |
317 |
|
} |
318 |
|
escape: |
493 |
– |
free((void *)rl); |
319 |
|
free((void *)pl); |
320 |
|
} |
321 |
|
|
322 |
|
|
323 |
|
int |
324 |
< |
refine(p, xmin, ymin, xmax, ymax, pd) /* refine a node */ |
325 |
< |
register PNODE *p; |
326 |
< |
int xmin, ymin, xmax, ymax; |
327 |
< |
int pd; |
324 |
> |
refine( /* refine a node */ |
325 |
> |
PNODE *p, |
326 |
> |
int pd |
327 |
> |
) |
328 |
|
{ |
329 |
|
int growth; |
330 |
|
int mx, my; |
336 |
|
if (pd <= 0) /* depth limit */ |
337 |
|
return(0); |
338 |
|
|
339 |
< |
mx = (xmin + xmax) >> 1; |
340 |
< |
my = (ymin + ymax) >> 1; |
339 |
> |
mx = (p->xmin + p->xmax) >> 1; |
340 |
> |
my = (p->ymin + p->ymax) >> 1; |
341 |
|
growth = 0; |
342 |
|
|
343 |
|
if (p->kid == NULL) { /* subdivide */ |
344 |
|
|
345 |
|
if ((p->kid = newptree()) == NULL) |
346 |
|
return(0); |
347 |
+ |
|
348 |
+ |
p->kid[UR].xmin = mx; |
349 |
+ |
p->kid[UR].ymin = my; |
350 |
+ |
p->kid[UR].xmax = p->xmax; |
351 |
+ |
p->kid[UR].ymax = p->ymax; |
352 |
+ |
p->kid[UL].xmin = p->xmin; |
353 |
+ |
p->kid[UL].ymin = my; |
354 |
+ |
p->kid[UL].xmax = mx; |
355 |
+ |
p->kid[UL].ymax = p->ymax; |
356 |
+ |
p->kid[DR].xmin = mx; |
357 |
+ |
p->kid[DR].ymin = p->ymin; |
358 |
+ |
p->kid[DR].xmax = p->xmax; |
359 |
+ |
p->kid[DR].ymax = my; |
360 |
+ |
p->kid[DL].xmin = p->xmin; |
361 |
+ |
p->kid[DL].ymin = p->ymin; |
362 |
+ |
p->kid[DL].xmax = mx; |
363 |
+ |
p->kid[DL].ymax = my; |
364 |
|
/* |
365 |
|
* The following paint order can leave a black pixel |
366 |
|
* if redraw() is called in (*dev->paintr)(). |
367 |
|
*/ |
368 |
|
if (p->x >= mx && p->y >= my) |
369 |
|
pcopy(p, p->kid+UR); |
370 |
< |
else |
371 |
< |
paint(p->kid+UR, mx, my, xmax, ymax); |
370 |
> |
else if (paint(p->kid+UR) < 0) |
371 |
> |
quit(1); |
372 |
|
if (p->x < mx && p->y >= my) |
373 |
|
pcopy(p, p->kid+UL); |
374 |
< |
else |
375 |
< |
paint(p->kid+UL, xmin, my, mx, ymax); |
374 |
> |
else if (paint(p->kid+UL) < 0) |
375 |
> |
quit(1); |
376 |
|
if (p->x >= mx && p->y < my) |
377 |
|
pcopy(p, p->kid+DR); |
378 |
< |
else |
379 |
< |
paint(p->kid+DR, mx, ymin, xmax, my); |
378 |
> |
else if (paint(p->kid+DR) < 0) |
379 |
> |
quit(1); |
380 |
|
if (p->x < mx && p->y < my) |
381 |
|
pcopy(p, p->kid+DL); |
382 |
< |
else |
383 |
< |
paint(p->kid+DL, xmin, ymin, mx, my); |
382 |
> |
else if (paint(p->kid+DL) < 0) |
383 |
> |
quit(1); |
384 |
|
|
385 |
|
growth++; |
386 |
|
} |
387 |
|
/* do children */ |
388 |
|
if (mx > pframe.l) { |
389 |
|
if (my > pframe.d) |
390 |
< |
growth += refine(p->kid+DL, xmin, ymin, mx, my, pd-1); |
390 |
> |
growth += refine(p->kid+DL, pd-1); |
391 |
|
if (my < pframe.u) |
392 |
< |
growth += refine(p->kid+UL, xmin, my, mx, ymax, pd-1); |
392 |
> |
growth += refine(p->kid+UL, pd-1); |
393 |
|
} |
394 |
|
if (mx < pframe.r) { |
395 |
|
if (my > pframe.d) |
396 |
< |
growth += refine(p->kid+DR, mx, ymin, xmax, my, pd-1); |
396 |
> |
growth += refine(p->kid+DR, pd-1); |
397 |
|
if (my < pframe.u) |
398 |
< |
growth += refine(p->kid+UR, mx, my, xmax, ymax, pd-1); |
398 |
> |
growth += refine(p->kid+UR, pd-1); |
399 |
|
} |
400 |
|
/* recompute sum */ |
401 |
|
if (growth) { |