| 58 |
|
int nbytes, i, j, k, nextsamp, count, blockdiv; |
| 59 |
|
int res[2]; |
| 60 |
|
|
| 61 |
< |
if (odNViews) { /* deallocate view structures */ |
| 62 |
< |
for (i = 0; i < odNViews; i++) { |
| 61 |
> |
if (odNViews > 0) { /* deallocate view structures */ |
| 62 |
> |
for (i = odNViews; i--; ) { |
| 63 |
|
free((char *)odView[i].bmap); |
| 64 |
+ |
free((char *)odView[i].pmap); |
| 65 |
|
if (odView[i].emap != NULL) |
| 66 |
|
free((char *)odView[i].emap); |
| 67 |
|
} |
| 110 |
|
if (blockdiv < 8) blockdiv = 8; |
| 111 |
|
nextsamp = 0; count /= blockdiv*blockdiv; /* # blocks */ |
| 112 |
|
while (i--) { /* initialize each view */ |
| 112 |
– |
odView[i].emap = NULL; |
| 113 |
– |
odView[i].dmap = NULL; |
| 113 |
|
dev_auxview(i, res); |
| 114 |
|
odView[i].hhi = res[0]; |
| 115 |
|
odView[i].hlow = (res[0] + blockdiv/2) / blockdiv; |
| 117 |
|
odView[i].vhi = res[1]; |
| 118 |
|
odView[i].vlow = (res[1] + blockdiv/2) / blockdiv; |
| 119 |
|
if (odView[i].vlow < 1) odView[i].vlow = 1; |
| 120 |
+ |
odView[i].emap = NULL; |
| 121 |
+ |
odView[i].dmap = NULL; |
| 122 |
+ |
odView[i].pmap = (int4 *)calloc(FL4NELS(res[0]*res[1]), |
| 123 |
+ |
sizeof(int4)); |
| 124 |
+ |
if (odView[i].pmap == NULL) |
| 125 |
+ |
return(0); |
| 126 |
|
j = odView[i].hlow*odView[i].vlow; |
| 127 |
|
odView[i].bmap = (struct ODblock *)malloc( |
| 128 |
|
j * sizeof(struct ODblock)); |
| 184 |
|
if (prox > bp->pthresh) |
| 185 |
|
return(-1); /* worse than free list occupants */ |
| 186 |
|
/* check for duplicate pixel */ |
| 187 |
< |
for (i = bp->first+bp->nsamp; i-- > bp->first; ) |
| 187 |
> |
if (CHK4(odView[vn].pmap, vh*odView[vn].hhi + hh)) |
| 188 |
> |
i = bp->first + bp->nsamp; |
| 189 |
> |
else |
| 190 |
> |
i = -1; |
| 191 |
> |
while (i-- > bp->first) |
| 192 |
|
if (hh == odS.ip[i][0] && vh == odS.ip[i][1]) { /* found it! */ |
| 193 |
|
/* search free list for it */ |
| 194 |
|
if (i == bp->free) |
| 206 |
|
return(-1); /* previous sample is fine */ |
| 207 |
|
goto gotit; |
| 208 |
|
} |
| 209 |
+ |
DCHECK(i>=-1, WARNING, "pixel in presence map not found in block"); |
| 210 |
|
if (bp->free != ENDFREE) { /* allocate from free list */ |
| 211 |
|
i = bp->free; |
| 212 |
+ |
if (odS.ip[i][0] >= 0 & odS.ip[i][1] >= 0) |
| 213 |
+ |
CLR4(odView[vn].pmap, odS.ip[i][1]*odView[vn].hhi + |
| 214 |
+ |
odS.ip[i][0]); |
| 215 |
|
bp->free = odS.nextfree(i); |
| 216 |
|
bp->nused++; |
| 217 |
|
goto gotit; |
| 235 |
|
bp->nused--; |
| 236 |
|
} |
| 237 |
|
i = si[0]; /* use worst sample */ |
| 238 |
+ |
CLR4(odView[vn].pmap, odS.ip[i][1]*odView[vn].hhi + odS.ip[i][0]); |
| 239 |
|
gotit: |
| 240 |
|
odS.ip[i][0] = hh; |
| 241 |
|
odS.ip[i][1] = vh; |
| 242 |
|
odS.closeness(i) = prox; |
| 243 |
+ |
SET4(odView[vn].pmap, vh*odView[vn].hhi + hh); |
| 244 |
|
return(i); |
| 245 |
|
} |
| 246 |
|
|
| 424 |
|
odUpdate(vn) /* update this view */ |
| 425 |
|
int vn; |
| 426 |
|
{ |
| 427 |
< |
int i, j; |
| 413 |
< |
register struct ODblock *bp; |
| 414 |
< |
register int k; |
| 427 |
> |
register int i, j; |
| 428 |
|
|
| 429 |
|
DCHECK(vn<0 | vn>=odNViews, CONSISTENCY, |
| 430 |
|
"bad view number in odUpdate"); |
| 437 |
|
return; |
| 438 |
|
if (tmComputeMapping(0.,0.,0.) != TM_E_OK) |
| 439 |
|
return; |
| 440 |
< |
for (k = odS.nsamp; k--; ) /* redraw all */ |
| 441 |
< |
if (odS.ip[k][0] >= 0) |
| 442 |
< |
SET4(odS.redraw, k); |
| 440 |
> |
for (i = odS.nsamp; i--; ) /* redraw all */ |
| 441 |
> |
if (odS.ip[i][0] >= 0) |
| 442 |
> |
SET4(odS.redraw, i); |
| 443 |
|
} |
| 444 |
|
if (tmMapPixels(odS.rgb,odS.brt,odS.chr,odS.nsamp) != TM_E_OK) |
| 445 |
|
return; |
| 446 |
|
needmapping = 0; /* reset flag */ |
| 447 |
|
} |
| 448 |
< |
/* draw each block in view */ |
| 449 |
< |
for (j = odView[vn].vlow; j--; ) |
| 450 |
< |
for (i = 0; i < odView[vn].hlow; i++) { |
| 451 |
< |
/* get block */ |
| 452 |
< |
bp = odView[vn].bmap + j*odView[vn].hlow + i; |
| 453 |
< |
/* do quick, conservative flag check */ |
| 454 |
< |
for (k = (bp->first+bp->nsamp+31)>>5; |
| 442 |
< |
k-- > bp->first>>5; ) |
| 443 |
< |
if (odS.redraw[k]) |
| 444 |
< |
break; /* non-zero flag */ |
| 445 |
< |
if (k < bp->first>>5) |
| 446 |
< |
continue; /* no flags set */ |
| 447 |
< |
for (k = bp->nsamp; k--; ) /* sample by sample */ |
| 448 |
< |
if (CHK4(odS.redraw, bp->first+k)) { |
| 449 |
< |
odDrawBlockSamp(vn, i, j, bp->first+k); |
| 450 |
< |
CLR4(odS.redraw, bp->first+k); |
| 451 |
< |
} |
| 452 |
< |
} |
| 448 |
> |
/* draw samples flagged for redraw */ |
| 449 |
> |
for (j = FL4NELS(odS.nsamp); j--; ) |
| 450 |
> |
for (i = 0; odS.redraw[j]; i++) /* skips faster */ |
| 451 |
> |
if (odS.redraw[j] & 1L<<i) { |
| 452 |
> |
odDrawSamp(vn, (j<<5)+i); |
| 453 |
> |
odS.redraw[j] &= ~(1L<<i); |
| 454 |
> |
} |
| 455 |
|
} |
| 456 |
|
|
| 457 |
|
|
| 590 |
|
} |
| 591 |
|
|
| 592 |
|
|
| 593 |
< |
odDrawBlockSamp(vn, h, v, id) /* draw sample in view block */ |
| 594 |
< |
int vn, h, v; |
| 593 |
> |
odDrawSamp(vn, id) /* draw view sample */ |
| 594 |
> |
int vn; |
| 595 |
|
register int id; |
| 596 |
|
{ |
| 597 |
|
GLshort arm[MAXFAN][3]; |
| 602 |
|
register int i; |
| 603 |
|
|
| 604 |
|
vp = odView + vn; |
| 605 |
< |
blockindex = v*vp->hlow + h; |
| 606 |
< |
DCHECK(odS.ip[id][0]*vp->hlow/vp->hhi != h | |
| 605 |
< |
odS.ip[id][1]*vp->vlow/vp->vhi != v, |
| 606 |
< |
CONSISTENCY, "bad sample position in odDrawBlockSamp"); |
| 605 |
> |
blockindex = getblock(vp, odS.ip[id][0], odS.ip[id][1]); |
| 606 |
> |
DCHECK(blockindex<0, CONSISTENCY, "bad sample handed to odDrawSamp"); |
| 607 |
|
DCHECK(vp->bmap[blockindex].nused <= 0, |
| 608 |
< |
CONSISTENCY, "bad in-use count in odDrawBlockSamp"); |
| 608 |
> |
CONSISTENCY, "bad in-use count in odDrawSamp"); |
| 609 |
|
/* create triangle fan */ |
| 610 |
|
size = 1./sqrt((double)vp->bmap[blockindex].nused); |
| 611 |
|
narms = make_arms(arm, odS.ip[id], vp, size); |
