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root/radiance/src/hd/holo.h
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Comparing src/hd/holo.h (file contents):
Revision 3.17 by gwlarson, Mon Nov 9 17:10:53 1998 UTC vs.
Revision 3.22 by greg, Fri Jun 20 00:25:49 2003 UTC

# Line 1 | Line 1
1 < /* Copyright (c) 1998 Silicon Graphics, Inc. */
2 <
3 < /* SCCSid "$SunId$ SGI" */
4 <
1 > /* RCSid: $Id$ */
2   /*
3   * Header file for holodeck programs
4   *
# Line 25 | Line 22
22   typedef struct {
23          BYTE    r[2][2];        /* ray direction index */
24          COLR    v;              /* color value */
25 <        unsigned int2   d;      /* depth code (from entry wall) */
25 >        uint16  d;              /* depth code (from entry wall) */
26   } RAYVAL;               /* ray value */
27  
28   /*
# Line 46 | Line 43 | typedef struct {
43   } GCOORD;               /* grid coordinates (two for beam) */
44  
45   typedef struct {
46 <        unsigned int4   nrd;    /* number of beam rays bundled on disk */
47 <        long    fo;             /* position in file */
46 >        uint32  nrd;            /* number of beam rays bundled on disk */
47 >        off_t   fo;             /* position in file */
48   } BEAMI;                /* beam index */
49  
50   typedef struct {
51 <        unsigned int4   nrm;    /* number of beam rays bundled in memory */
51 >        uint32  nrm;            /* number of beam rays bundled in memory */
52          unsigned long   tick;   /* clock tick for LRU replacement */
53   } BEAM;                 /* followed by nrm RAYVAL's */
54  
# Line 61 | Line 58 | typedef struct {
58   typedef struct {
59          FVECT   orig;           /* prism origin (first) */
60          FVECT   xv[3];          /* side vectors (second) */
61 <        int2    grid[3];        /* grid resolution (third) */
61 >        int16   grid[3];        /* grid resolution (third) */
62   } HDGRID;               /* holodeck section grid (must match HOLO struct) */
63  
64   typedef struct holo {
65          FVECT   orig;           /* prism origin (first) */
66          FVECT   xv[3];          /* side vectors (second) */
67 <        int2    grid[3];        /* grid resolution (third) */
67 >        int16   grid[3];        /* grid resolution (third) */
68          int     fd;             /* file descriptor */
69          struct {
70                  int     s, n;           /* dirty section start, length */
# Line 75 | Line 72 | typedef struct holo {
72          short   dirty;          /* number of dirty segments */
73          double  tlin;           /* linear range for depth encoding */
74          FVECT   wg[3];          /* wall grid vectors (derived) */
78 –        double  wo[6];          /* wall grid offsets (derived) */
75          int     wi[6];          /* wall super-indices (derived) */
76          char    *priv;          /* pointer to private client data */
77          BEAM    **bl;           /* beam pointers (memory cache) */
# Line 100 | Line 96 | extern HOLO    *hdinit(), *hdalloc();
96   extern BEAM     *hdgetbeam();
97   extern RAYVAL   *hdnewrays();
98   extern unsigned hdmemuse();
99 < extern long     hdfiluse(), hdfilen(), hdallocfrag();
99 > extern off_t    hdfiluse(), hdfilen(), hdallocfrag();
100   extern double   hdray(), hdinter();
101   extern unsigned hdcode();
102   extern int      hdfilord();
103  
104 + #define FF_NEVER        0               /* never free fragments */
105 + #define FF_WRITE        01              /* free fragment on write */
106 + #define FF_ALLOC        02              /* free fragment on ray alloc */
107 + #define FF_READ         04              /* free fragment on read */
108 + #define FF_KILL         010             /* free fragment on beam kill */
109 +
110 + extern int      hdfragflags;            /* tells when to free fragments */
111   extern unsigned hdcachesize;            /* target cache size (bytes) */
112   extern unsigned long    hdclock;        /* holodeck system clock */
113   extern HOLO     *hdlist[HDMAX+1];       /* holodeck pointers (NULL term.) */
# Line 121 | Line 124 | extern int     hdwg1[6];               /* wall grid 1 index */
124  
125   #define HOLOFMT         "Holodeck"      /* file format identifier */
126   #define HOLOVERS        0               /* file format version number */
127 < #define HOLOMAGIC       (323+sizeof(long)+8*HOLOVERS)   /* file magic number */
127 > #define HOLOMAGIC       (323+sizeof(off_t)+8*HOLOVERS)  /* file magic number */
128  
129   /*
130   * A holodeck file consists of an information header terminated by a

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