| 47 |
|
int directinvis = 0; /* sources invisible? */ |
| 48 |
|
double srcsizerat = .25; /* maximum ratio source size/dist. */ |
| 49 |
|
|
| 50 |
+ |
double specthresh = .5; /* specular sampling threshold */ |
| 51 |
+ |
double specjitter = 1.; /* specular sampling jitter */ |
| 52 |
+ |
|
| 53 |
|
int maxdepth = 6; /* maximum recursion depth */ |
| 54 |
|
double minweight = 5e-3; /* minimum ray weight */ |
| 55 |
|
|
| 111 |
|
#else |
| 112 |
|
report() /* report progress */ |
| 113 |
|
{ |
| 111 |
– |
signal(SIGALRM, report); |
| 114 |
|
tlastrept = time((long *)0); |
| 115 |
|
sprintf(errmsg, "%ld rays, %4.2f%% done after %5.4f hours\n", |
| 116 |
|
nrays, pctdone, (tlastrept-tstart)/3600.0); |
| 117 |
|
eputs(errmsg); |
| 118 |
+ |
signal(SIGALRM, report); |
| 119 |
|
} |
| 120 |
|
#endif |
| 121 |
|
|
| 280 |
|
z = pixvalue(scanline[i], i, y); |
| 281 |
|
if (zline) zline[i] = z; |
| 282 |
|
if (sd) b = sd[0] > sd[1] ? sd[0] : sd[1]; |
| 283 |
< |
b = fillsample(scanline+i-xstep, zline ? zline+i-xstep : NULL, |
| 284 |
< |
i-xstep, y, xstep, 0, b/2); |
| 283 |
> |
if (i <= xstep) |
| 284 |
> |
b = fillsample(scanline, zline, 0, y, i, 0, b/2); |
| 285 |
> |
else |
| 286 |
> |
b = fillsample(scanline+i-xstep, |
| 287 |
> |
zline ? zline+i-xstep : NULL, |
| 288 |
> |
i-xstep, y, xstep, 0, b/2); |
| 289 |
|
if (sd) *sd++ = nc & 1 ? bl : b; |
| 290 |
|
bl = b; |
| 291 |
|
} |
