118 |
|
unsigned long vcount = (hresolu > 1) ? (unsigned long)hresolu*vresolu |
119 |
|
: (unsigned long)vresolu; |
120 |
|
long nextflush = (vresolu > 0) & (hresolu > 1) ? 0 : hresolu; |
121 |
+ |
int bogusflushed = 0; |
122 |
|
FILE *fp; |
123 |
|
double d; |
124 |
|
FVECT orig, direc; |
155 |
|
if (hresolu > 0) { |
156 |
|
if (vresolu > 0) |
157 |
|
fprtresolu(hresolu, vresolu, stdout); |
158 |
< |
fflush(stdout); |
158 |
> |
else |
159 |
> |
fflush(stdout); |
160 |
|
} |
161 |
|
/* process file */ |
162 |
|
while (getvec(orig, inform, fp) == 0 && |
164 |
|
|
165 |
|
d = normalize(direc); |
166 |
|
if (d == 0.0) { /* zero ==> flush */ |
167 |
< |
if (--nextflush <= 0 || !vcount) { |
168 |
< |
if (nproc > 1 && ray_fifo_flush() < 0) |
167 |
> |
if ((--nextflush <= 0) | !vcount && !bogusflushed) { |
168 |
> |
if (ray_pnprocs > 1 && ray_fifo_flush() < 0) |
169 |
|
error(USER, "child(ren) died"); |
170 |
|
bogusray(); |
171 |
|
fflush(stdout); |
172 |
+ |
bogusflushed = 1; |
173 |
|
nextflush = (vresolu > 0) & (hresolu > 1) ? 0 : |
174 |
|
hresolu; |
175 |
|
} else |
178 |
|
rtcompute(orig, direc, lim_dist ? d : 0.0); |
179 |
|
/* flush if time */ |
180 |
|
if (!--nextflush) { |
181 |
< |
if (nproc > 1 && ray_fifo_flush() < 0) |
181 |
> |
if (ray_pnprocs > 1 && ray_fifo_flush() < 0) |
182 |
|
error(USER, "child(ren) died"); |
183 |
|
fflush(stdout); |
184 |
|
nextflush = hresolu; |
185 |
< |
} |
185 |
> |
} else |
186 |
> |
bogusflushed = 0; |
187 |
|
} |
188 |
|
if (ferror(stdout)) |
189 |
|
error(SYSTEM, "write error"); |
190 |
|
if (vcount && !--vcount) /* check for end */ |
191 |
|
break; |
192 |
|
} |
193 |
< |
if (nproc > 1) { /* clean up children */ |
193 |
> |
if (ray_pnprocs > 1) { /* clean up children */ |
194 |
|
if (ray_fifo_flush() < 0) |
195 |
|
error(USER, "unable to complete processing"); |
196 |
|
ray_pclose(0); |
318 |
|
static void |
319 |
|
bogusray(void) /* print out empty record */ |
320 |
|
{ |
317 |
– |
thisray.rorg[0] = thisray.rorg[1] = thisray.rorg[2] = |
318 |
– |
thisray.rdir[0] = thisray.rdir[1] = thisray.rdir[2] = 0.0; |
319 |
– |
thisray.rmax = 0.0; |
321 |
|
rayorigin(&thisray, PRIMARY, NULL, NULL); |
322 |
|
printvals(&thisray); |
323 |
|
} |
344 |
|
) |
345 |
|
{ |
346 |
|
void (*old_revf)(RAY *) = r->revf; |
347 |
< |
|
348 |
< |
r->rot = 1e-5; /* pretend we hit surface */ |
347 |
> |
/* pretend we hit surface */ |
348 |
> |
r->rxt = r->rot = 1e-5; |
349 |
|
VSUM(r->rop, r->rorg, r->rdir, r->rot); |
350 |
|
r->ron[0] = -r->rdir[0]; |
351 |
|
r->ron[1] = -r->rdir[1]; |