| 1 |
– |
/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
| 2 |
– |
|
| 1 |
|
#ifndef lint |
| 2 |
< |
static char SCCSid[] = "$SunId$ SGI"; |
| 2 |
> |
static const char RCSid[] = "$Id$"; |
| 3 |
|
#endif |
| 6 |
– |
|
| 4 |
|
/* |
| 5 |
|
* sm_samp.c |
| 6 |
|
*/ |
| 9 |
|
#include "rhd_sample.h" |
| 10 |
|
|
| 11 |
|
SAMP rsL; |
| 12 |
< |
int4 *samp_flag=NULL; |
| 12 |
> |
int32 *samp_flag=NULL; |
| 13 |
|
|
| 14 |
|
/* Each sample has a world coord point, and direction, brightness,chrominance, |
| 15 |
|
and RGB triples |
| 16 |
|
*/ |
| 17 |
|
|
| 18 |
|
#define TMSIZE sizeof(TMbright) |
| 19 |
< |
#define SAMPSIZ (3*sizeof(SFLOAT)+sizeof(int4)+ 6*sizeof(BYTE) + TMSIZE + 2*sizeof(int)) |
| 19 |
> |
#define SAMPSIZ (3*sizeof(SFLOAT)+sizeof(int32)+ 6*sizeof(BYTE) + TMSIZE + 2*sizeof(int)) |
| 20 |
|
|
| 21 |
|
/* Extra points world space point, vert flag and qt flag */ |
| 22 |
|
#define POINTSIZ (3*sizeof(SFLOAT) + 2*sizeof(int)) |
| 72 |
|
/* get number of samples that fit in block */ |
| 73 |
|
n = (i - 8 - extra_points*POINTSIZ) / SAMPSIZ; |
| 74 |
|
|
| 75 |
+ |
/* Must make sure n + extra_points can fit in a S_ID identifier */ |
| 76 |
+ |
if ( n > (S_ID_MAX - extra_points)) |
| 77 |
+ |
n = (S_ID_MAX - extra_points); |
| 78 |
+ |
|
| 79 |
|
S_BASE(s) = (char *)malloc(n*SAMPSIZ + extra_points*POINTSIZ); |
| 80 |
|
if (!S_BASE(s)) |
| 81 |
|
error(SYSTEM,"sAlloc(): Unable to allocate memory"); |
| 82 |
|
|
| 83 |
|
/* assign larger alignment types earlier */ |
| 84 |
|
S_W_PT(s) = (SFLOAT(*)[3])S_BASE(s); |
| 85 |
< |
S_W_DIR(s) = (int4 *)(S_W_PT(s) + n + extra_points); |
| 85 |
> |
S_W_DIR(s) = (int32 *)(S_W_PT(s) + n + extra_points); |
| 86 |
|
S_BRT(s) = (TMbright *)(S_W_DIR(s) + n); |
| 87 |
|
S_CHR(s) = (BYTE (*)[3])(S_BRT(s) + n); |
| 88 |
|
S_RGB(s) = (BYTE (*)[3])(S_CHR(s) + n); |
| 92 |
|
S_MAX_BASE_PT(s) = n + extra_points; |
| 93 |
|
|
| 94 |
|
/* Allocate memory for a per/sample bit flag */ |
| 95 |
< |
if(!(samp_flag = (int4 *)malloc(FLAG_BYTES(n+extra_points)))) |
| 95 |
> |
if(!(samp_flag = (int32 *)malloc(FLAG_BYTES(n+extra_points)))) |
| 96 |
|
error(SYSTEM,"sAlloc(): Unable to allocate flag memory"); |
| 97 |
|
sInit(s); |
| 98 |
|
sClear_all_flags(s); |
| 107 |
|
is added: These points are not displayed-they are used to form the |
| 108 |
|
initial mesh |
| 109 |
|
*/ |
| 110 |
< |
int |
| 110 |
> |
S_ID |
| 111 |
|
sAdd_base_point(s,v) |
| 112 |
|
SAMP *s; |
| 113 |
|
FVECT v; |
| 114 |
|
{ |
| 115 |
< |
int id; |
| 115 |
> |
S_ID id; |
| 116 |
|
|
| 117 |
|
/* Get pointer to next available point */ |
| 118 |
|
id = S_NEXT_BASE_PT(s); |
| 133 |
|
int |
| 134 |
|
sCopy_samp(s,n_id,id) |
| 135 |
|
SAMP *s; |
| 136 |
< |
int n_id,id; |
| 136 |
> |
S_ID n_id,id; |
| 137 |
|
{ |
| 138 |
|
|
| 139 |
|
#ifdef DEBUG |
| 166 |
|
void |
| 167 |
|
sInit_samp(s,id,c,d,p,o_id) |
| 168 |
|
SAMP *s; |
| 169 |
< |
int id; |
| 169 |
> |
S_ID id; |
| 170 |
|
COLR c; |
| 171 |
|
FVECT d,p; |
| 172 |
< |
int o_id; |
| 172 |
> |
S_ID o_id; |
| 173 |
|
{ |
| 174 |
|
|
| 175 |
|
if(o_id != INVALID) |
| 186 |
|
/* calculate the brightness and chrominance,RGB will be set by |
| 187 |
|
tonemapping |
| 188 |
|
*/ |
| 188 |
– |
#ifndef TEST_DRIVER |
| 189 |
|
tmCvColrs(&S_NTH_BRT(s,id),S_NTH_CHR(s,id),c,1); |
| 190 |
– |
#endif |
| 190 |
|
} |
| 191 |
|
/* Set ACTIVE bit upon creation */ |
| 192 |
|
S_SET_FLAG(id); |
| 196 |
|
|
| 197 |
|
|
| 198 |
|
/* Allocate a new sample. If an existing sample was replaced: set flag */ |
| 199 |
< |
int |
| 199 |
> |
S_ID |
| 200 |
|
sAlloc_samp(s,replaced) |
| 201 |
|
SAMP *s; |
| 202 |
|
int *replaced; |
| 203 |
|
|
| 204 |
|
{ |
| 205 |
< |
int id; |
| 205 |
> |
S_ID id; |
| 206 |
|
|
| 207 |
|
/* First check if there are any freed sample available */ |
| 208 |
|
if((id = S_FREE_SAMP(s)) != INVALID) |
| 250 |
|
*replaced = 1; |
| 251 |
|
return(id); |
| 252 |
|
} |
| 253 |
+ |
|
| 254 |
+ |
|
| 255 |
+ |
|
| 256 |
+ |
|
| 257 |
+ |
|
| 258 |
+ |
|
| 259 |
|
|
| 260 |
|
|
| 261 |
|
|
