| 131 |
|
DCHECK(count<=0 | nextsamp>=n, |
| 132 |
|
CONSISTENCY, "counter botch in odInit"); |
| 133 |
|
if (!i) count = j; |
| 134 |
+ |
odView[i].sfirst = nextsamp; |
| 135 |
|
while (j--) { /* initialize blocks & free lists */ |
| 136 |
|
odView[i].bmap[j].pthresh = FHUGE; |
| 137 |
|
odView[i].bmap[j].first = k = nextsamp; |
| 143 |
|
odS.nextfree(k-1) = ENDFREE; |
| 144 |
|
odView[i].bmap[j].nused = 0; |
| 145 |
|
} |
| 146 |
+ |
odView[i].snext = nextsamp; |
| 147 |
|
} |
| 148 |
|
CLR4ALL(odS.redraw, odS.nsamp); /* clear redraw flags */ |
| 149 |
|
for (i = odS.nsamp; i--; ) { /* clear values */ |
| 447 |
|
return; |
| 448 |
|
needmapping = 0; /* reset flag */ |
| 449 |
|
} |
| 450 |
< |
/* draw samples flagged for redraw */ |
| 451 |
< |
for (j = FL4NELS(odS.nsamp); j--; ) |
| 450 |
> |
/* this code segment was too slow */ |
| 451 |
> |
#if 0 |
| 452 |
> |
for (i = odView[vn].sfirst; i < odView[vn].snext; i++) |
| 453 |
> |
if (CHK4(odS.redraw, i)) { |
| 454 |
> |
odDrawSamp(vn, i); |
| 455 |
> |
CLR4(odS.redraw, i); |
| 456 |
> |
} |
| 457 |
> |
#endif |
| 458 |
> |
/* redraw samples at each end */ |
| 459 |
> |
for (i = odView[vn].sfirst; i < odView[vn].sfirst+31; i++) |
| 460 |
> |
if (CHK4(odS.redraw, i)) { |
| 461 |
> |
odDrawSamp(vn, i); |
| 462 |
> |
CLR4(odS.redraw, i); |
| 463 |
> |
} |
| 464 |
> |
for (i = odView[vn].snext-31; i < odView[vn].snext; i++) |
| 465 |
> |
if (CHK4(odS.redraw, i)) { |
| 466 |
> |
odDrawSamp(vn, i); |
| 467 |
> |
CLR4(odS.redraw, i); |
| 468 |
> |
} |
| 469 |
> |
/* faster flag checks in middle */ |
| 470 |
> |
for (j = odView[vn].snext>>5; j-- > (odView[vn].sfirst+0x1f)>>5; ) |
| 471 |
|
for (i = 0; odS.redraw[j]; i++) /* skips faster */ |
| 472 |
|
if (odS.redraw[j] & 1L<<i) { |
| 473 |
|
odDrawSamp(vn, (j<<5)+i); |
| 476 |
|
} |
| 477 |
|
|
| 478 |
|
|
| 479 |
+ |
/* this turned out to be unnecessary */ |
| 480 |
|
#if 0 |
| 481 |
|
static |
| 482 |
|
clip_end(p, o, vp) /* clip line segment to view */ |
