| 1 |
< |
/* Copyright (c) 1997 Silicon Graphics, Inc. */ |
| 2 |
< |
|
| 3 |
< |
/* SCCSid "$SunId$ SGI" */ |
| 4 |
< |
|
| 1 |
> |
/* RCSid $Id$ */ |
| 2 |
|
/* |
| 3 |
|
* Quadtree data structures for holodeck display drivers. |
| 4 |
|
*/ |
| 5 |
+ |
#ifndef _RAD_RHD_QTREE_H_ |
| 6 |
+ |
#define _RAD_RHD_QTREE_H_ |
| 7 |
|
|
| 8 |
+ |
#include "color.h" |
| 9 |
|
#include "tonemap.h" |
| 10 |
|
#include "rhdriver.h" |
| 11 |
< |
/* child ordering */ |
| 11 |
> |
|
| 12 |
> |
#ifdef __cplusplus |
| 13 |
> |
extern "C" { |
| 14 |
> |
#endif |
| 15 |
> |
|
| 16 |
|
#define DL 0 /* down left */ |
| 17 |
|
#define DR 1 /* down right */ |
| 18 |
|
#define UL 2 /* up left */ |
| 37 |
|
|
| 38 |
|
extern struct rleaves { |
| 39 |
|
float (*wp)[3]; /* world intersection point array */ |
| 40 |
+ |
int32 *wd; /* world direction array */ |
| 41 |
|
TMbright *brt; /* encoded brightness array */ |
| 42 |
|
BYTE (*chr)[3]; /* encoded chrominance array */ |
| 43 |
|
BYTE (*rgb)[3]; /* tone-mapped color array */ |
| 52 |
|
extern RTREE qtrunk; /* trunk of quadtree */ |
| 53 |
|
extern double qtDepthEps; /* epsilon to compare depths (z fraction) */ |
| 54 |
|
extern int qtMinNodesiz; /* minimum node dimension (pixels) */ |
| 55 |
+ |
|
| 56 |
+ |
extern int rayqleft; /* number of rays to queue before flush */ |
| 57 |
+ |
|
| 58 |
+ |
extern int32 encodedir(); |
| 59 |
+ |
extern double fdir2diff(), dir2diff(); |
| 60 |
+ |
|
| 61 |
+ |
#ifdef __cplusplus |
| 62 |
+ |
} |
| 63 |
+ |
#endif |
| 64 |
+ |
#endif /* _RAD_RHD_QTREE_H_ */ |
| 65 |
+ |
|
