29 |
|
} u; /* subtrees or values (extends struct) */ |
30 |
|
} SDNode; |
31 |
|
|
32 |
+ |
#define SD_FREFL 1 /* component reflects off front side */ |
33 |
+ |
#define SD_BREFL 2 /* component reflects off back side */ |
34 |
+ |
#define SD_FXMIT 3 /* component transmits through front side */ |
35 |
+ |
#define SD_BXMIT 4 /* component transmits through back side */ |
36 |
+ |
|
37 |
|
/* Variable-resolution BSDF holder */ |
38 |
|
typedef struct { |
39 |
< |
int isxmit; /* transmitted component? */ |
39 |
> |
int sidef; /* transmitted component? */ |
40 |
|
SDNode *st; /* BSDF tree */ |
41 |
|
} SDTre; |
42 |
|
|
43 |
|
/* Holder for cumulative distribution (sum of BSDF * projSA) */ |
44 |
< |
typedef struct { |
45 |
< |
SD_CDIST_BASE; /* base fields; must come first */ |
44 |
> |
typedef struct SDTreCDst_s { |
45 |
> |
/* base fields; must come first */ |
46 |
> |
SD_CDIST_BASE(SDTreCDst_s); |
47 |
|
double clim[2][2]; /* input coordinate limits */ |
48 |
|
double max_psa; /* maximum projected solid angle */ |
49 |
< |
int isxmit; /* transmitted component? */ |
49 |
> |
short sidef; /* which mode is in play */ |
50 |
> |
short isodist; /* isotropic distribution? */ |
51 |
|
int calen; /* cumulative array length */ |
52 |
|
struct { |
53 |
|
unsigned hndx; /* hilbert index */ |