488 |
|
|
489 |
|
/* Query projected solid angle coverage for non-diffuse BSDF direction */ |
490 |
|
SDError |
491 |
< |
SDsizeBSDF(double *projSA, const FVECT vec, int qflags, const SDData *sd) |
491 |
> |
SDsizeBSDF(double *projSA, const FVECT v1, const RREAL *v2, |
492 |
> |
int qflags, const SDData *sd) |
493 |
|
{ |
494 |
|
SDSpectralDF *rdf; |
495 |
|
SDError ec; |
496 |
|
int i; |
497 |
|
/* check arguments */ |
498 |
< |
if ((projSA == NULL) | (vec == NULL) | (sd == NULL)) |
498 |
> |
if ((projSA == NULL) | (v1 == NULL)) |
499 |
|
return SDEargument; |
500 |
|
/* initialize extrema */ |
501 |
|
switch (qflags) { |
511 |
|
case 0: |
512 |
|
return SDEargument; |
513 |
|
} |
514 |
< |
if (vec[2] > .0) /* front surface query? */ |
514 |
> |
if (v1[2] > .0) /* front surface query? */ |
515 |
|
rdf = sd->rf; |
516 |
|
else |
517 |
|
rdf = sd->rb; |
518 |
|
ec = SDEdata; /* run through components */ |
519 |
|
for (i = (rdf==NULL) ? 0 : rdf->ncomp; i--; ) { |
520 |
< |
ec = (*rdf->comp[i].func->queryProjSA)(projSA, vec, qflags, |
521 |
< |
rdf->comp[i].dist); |
520 |
> |
ec = (*rdf->comp[i].func->queryProjSA)(projSA, v1, v2, |
521 |
> |
qflags, rdf->comp[i].dist); |
522 |
|
if (ec) |
523 |
|
return ec; |
524 |
|
} |
525 |
|
for (i = (sd->tf==NULL) ? 0 : sd->tf->ncomp; i--; ) { |
526 |
< |
ec = (*sd->tf->comp[i].func->queryProjSA)(projSA, vec, qflags, |
527 |
< |
sd->tf->comp[i].dist); |
526 |
> |
ec = (*sd->tf->comp[i].func->queryProjSA)(projSA, v1, v2, |
527 |
> |
qflags, sd->tf->comp[i].dist); |
528 |
|
if (ec) |
529 |
|
return ec; |
530 |
|
} |