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#include "random.h" |
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#ifndef WFLUSH |
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< |
#define WFLUSH 64 /* flush after this many rays */ |
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> |
#define WFLUSH 64 /* flush after this many primary rays */ |
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#endif |
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#ifndef WFLUSH1 |
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#define WFLUSH1 512 /* or this many total rays */ |
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#endif |
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|
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#ifdef SMLFLT |
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#define sscanvec(s,v) (sscanf(s,"%f %f %f",v,v+1,v+2)==3) |
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#else |
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#define sscanvec(s,v) (sscanf(s,"%lf %lf %lf",v,v+1,v+2)==3) |
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#endif |
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|
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< |
static unsigned long niflush; /* flushes since newimage() */ |
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> |
extern int ray_pnprocs; |
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|
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static RNUMBER niflush; /* flushes since newimage() */ |
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|
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int |
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getrect( /* get a box */ |
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char *s, |
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PNODE *p |
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) |
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{ |
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extern int ray_pnprocs; |
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static unsigned long lastflush = 0; |
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static RAY thisray; |
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int flushintvl; |
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double h, v; |
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if (p->xmax - p->xmin <= 0 || p->ymax - p->ymin <= 0) { /* empty */ |
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if ((p->xmax <= p->xmin) | (p->ymax <= p->ymin)) { /* empty */ |
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p->x = p->xmin; |
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p->y = p->ymin; |
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setcolor(p->v, 0.0, 0.0, 0.0); |
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if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, &ourview, |
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h/hresolu, v/vresolu)) < -FTINY) { |
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setcolor(thisray.rcol, 0.0, 0.0, 0.0); |
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< |
} else { |
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< |
int rval; |
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> |
} else if (!ray_pnprocs) { /* immediate mode */ |
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ray_trace(&thisray); |
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} else { /* queuing mode */ |
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int rval; |
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rayorigin(&thisray, PRIMARY, NULL, NULL); |
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< |
thisray.rno = (unsigned long)p; |
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> |
thisray.rno = (RNUMBER)p; |
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rval = ray_pqueue(&thisray); |
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if (!rval) |
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return(0); |
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if (rval < 0) |
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return(-1); |
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+ |
/* get node for returned ray */ |
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p = (PNODE *)thisray.rno; |
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} |
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recolor(p); /* paint it */ |
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|
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< |
if (ambounce <= 0) /* shall we check for input? */ |
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< |
flushintvl = ray_pnprocs*WFLUSH; |
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< |
else if (niflush < WFLUSH) |
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< |
flushintvl = ray_pnprocs*niflush/(ambounce+1); |
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< |
else |
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< |
flushintvl = ray_pnprocs*WFLUSH/(ambounce+1); |
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> |
if (dev->flush != NULL) { /* shall we check for input? */ |
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> |
static RNUMBER lastflush = 0; |
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> |
RNUMBER counter = raynum; |
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> |
int flushintvl; |
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> |
if (!ray_pnprocs) { |
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> |
counter = nrays; |
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> |
flushintvl = WFLUSH1; |
| 224 |
> |
} else if (ambounce == 0) |
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> |
flushintvl = ray_pnprocs*WFLUSH; |
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> |
else if (niflush < WFLUSH) |
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> |
flushintvl = ray_pnprocs*niflush/(ambounce+1); |
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> |
else |
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> |
flushintvl = ray_pnprocs*WFLUSH/(ambounce+1); |
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> |
if (lastflush > counter) |
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> |
lastflush = 0; /* counter wrapped */ |
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|
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< |
if (dev->flush != NULL && raynum - lastflush >= flushintvl) { |
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< |
lastflush = raynum; |
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< |
(*dev->flush)(); |
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< |
niflush++; |
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> |
if (counter - lastflush >= flushintvl) { |
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> |
lastflush = counter; |
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> |
(*dev->flush)(); |
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> |
niflush++; |
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> |
} |
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} |
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return(1); |
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} |
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int nwaited = 0; |
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int rval; |
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RAY raydone; |
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< |
|
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> |
|
| 250 |
> |
if (!ray_pnprocs) /* immediate mode? */ |
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> |
return(0); |
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while ((rval = ray_presult(&raydone, 0)) > 0) { |
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PNODE *p = (PNODE *)raydone.rno; |
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copycolor(p->v, raydone.rcol); |
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char *s |
| 268 |
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) |
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{ |
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< |
int newnp; |
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< |
/* change in nproc? */ |
| 272 |
< |
if (s != NULL && sscanf(s, "%d", &newnp) == 1 && newnp > 0) { |
| 273 |
< |
if (!newparam) { |
| 256 |
< |
if (newnp < nproc) |
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< |
ray_pclose(nproc - newnp); |
| 258 |
< |
else |
| 259 |
< |
ray_popen(newnp - nproc); |
| 260 |
< |
} |
| 261 |
< |
nproc = newnp; |
| 262 |
< |
} |
| 270 |
> |
int newnp = 0; |
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> |
/* # rendering procs arg? */ |
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> |
if (s != NULL) |
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> |
sscanf(s, "%d", &newnp); |
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/* free old image */ |
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freepkids(&ptrunk); |
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/* compute resolution */ |
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(*dev->clear)(hresolu, vresolu); |
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|
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if (newparam) { /* (re)start rendering procs */ |
| 288 |
< |
ray_pclose(0); |
| 289 |
< |
ray_popen(nproc); |
| 288 |
> |
if (ray_pnprocs) |
| 289 |
> |
ray_pclose(0); /* should already be closed */ |
| 290 |
> |
if (newnp > 0) |
| 291 |
> |
nproc = newnp; |
| 292 |
> |
if (nproc > 1) |
| 293 |
> |
ray_popen(nproc); |
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|
newparam = 0; |
| 295 |
+ |
} else if ((newnp > 0) & (newnp != nproc)) { |
| 296 |
+ |
if (newnp == 1) /* change # rendering procs */ |
| 297 |
+ |
ray_pclose(0); |
| 298 |
+ |
else if (newnp < ray_pnprocs) |
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+ |
ray_pclose(ray_pnprocs - newnp); |
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+ |
else |
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+ |
ray_popen(newnp - ray_pnprocs); |
| 302 |
+ |
nproc = newnp; |
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} |
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niflush = 0; /* get first value */ |
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paint(&ptrunk); |
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PNODE *p |
| 405 |
|
) |
| 406 |
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{ |
| 407 |
+ |
int i, navg; |
| 408 |
+ |
|
| 409 |
|
if (p->kid == NULL) |
| 410 |
|
return; |
| 411 |
< |
compavg(p->kid+DL); |
| 387 |
< |
compavg(p->kid+DR); |
| 388 |
< |
compavg(p->kid+UL); |
| 389 |
< |
compavg(p->kid+UR); |
| 411 |
> |
|
| 412 |
|
setcolor(p->v, .0, .0, .0); |
| 413 |
< |
addcolor(p->v, p->kid[DL].v); |
| 414 |
< |
addcolor(p->v, p->kid[DR].v); |
| 415 |
< |
addcolor(p->v, p->kid[UL].v); |
| 416 |
< |
addcolor(p->v, p->kid[UR].v); |
| 417 |
< |
scalecolor(p->v, 0.25); |
| 413 |
> |
navg = 0; |
| 414 |
> |
for (i = 0; i < 4; i++) { |
| 415 |
> |
if (p->kid[i].xmin >= p->kid[i].xmax) continue; |
| 416 |
> |
if (p->kid[i].ymin >= p->kid[i].ymax) continue; |
| 417 |
> |
compavg(p->kid+i); |
| 418 |
> |
addcolor(p->v, p->kid[i].v); |
| 419 |
> |
navg++; |
| 420 |
> |
} |
| 421 |
> |
if (navg > 1) |
| 422 |
> |
scalecolor(p->v, 1./navg); |
| 423 |
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} |
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|
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