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 something2flush = 0; |
122 |
|
FILE *fp; |
123 |
|
double d; |
124 |
|
FVECT orig, direc; |
137 |
|
castonly = 0; |
138 |
|
else if (castonly) |
139 |
|
nproc = 1; /* don't bother multiprocessing */ |
140 |
+ |
if ((nextflush > 0) & (nproc > nextflush)) { |
141 |
+ |
error(WARNING, "reducing number of processes to match flush interval"); |
142 |
+ |
nproc = nextflush; |
143 |
+ |
} |
144 |
|
switch (outform) { |
145 |
|
case 'a': putreal = puta; break; |
146 |
|
case 'f': putreal = putf; break; |
159 |
|
if (hresolu > 0) { |
160 |
|
if (vresolu > 0) |
161 |
|
fprtresolu(hresolu, vresolu, stdout); |
162 |
< |
fflush(stdout); |
162 |
> |
else |
163 |
> |
fflush(stdout); |
164 |
|
} |
165 |
|
/* process file */ |
166 |
|
while (getvec(orig, inform, fp) == 0 && |
168 |
|
|
169 |
|
d = normalize(direc); |
170 |
|
if (d == 0.0) { /* zero ==> flush */ |
171 |
< |
if ((--nextflush <= 0) | !vcount) { |
171 |
> |
if ((--nextflush <= 0) | !vcount && something2flush) { |
172 |
|
if (ray_pnprocs > 1 && ray_fifo_flush() < 0) |
173 |
|
error(USER, "child(ren) died"); |
174 |
|
bogusray(); |
175 |
|
fflush(stdout); |
176 |
+ |
something2flush = 0; |
177 |
|
nextflush = (vresolu > 0) & (hresolu > 1) ? 0 : |
178 |
|
hresolu; |
179 |
|
} else |
186 |
|
error(USER, "child(ren) died"); |
187 |
|
fflush(stdout); |
188 |
|
nextflush = hresolu; |
189 |
< |
} |
189 |
> |
} else |
190 |
> |
something2flush = 1; |
191 |
|
} |
192 |
|
if (ferror(stdout)) |
193 |
|
error(SYSTEM, "write error"); |
322 |
|
static void |
323 |
|
bogusray(void) /* print out empty record */ |
324 |
|
{ |
317 |
– |
memset(&thisray, 0, sizeof(thisray)); |
325 |
|
rayorigin(&thisray, PRIMARY, NULL, NULL); |
326 |
|
printvals(&thisray); |
327 |
|
} |