| 14 |
|
SAMP rsL; |
| 15 |
|
int4 *samp_flag=NULL; |
| 16 |
|
|
| 17 |
– |
|
| 17 |
|
/* Each sample has a world coord point, and direction, brightness,chrominance, |
| 18 |
|
and RGB triples |
| 19 |
|
*/ |
| 20 |
< |
#ifndef HP_VERSION |
| 20 |
> |
|
| 21 |
|
#define TMSIZE sizeof(TMbright) |
| 22 |
< |
#else |
| 24 |
< |
#define TMSIZE 0 |
| 25 |
< |
#endif |
| 26 |
< |
#define SAMPSIZ (3*sizeof(float)+sizeof(int4)+ 6*sizeof(BYTE) + TMSIZE) |
| 22 |
> |
#define SAMPSIZ (3*sizeof(SFLOAT)+sizeof(int4)+ 6*sizeof(BYTE) + TMSIZE + 2*sizeof(int)) |
| 23 |
|
|
| 24 |
< |
/* Extra points just need direction and world space point */ |
| 25 |
< |
#define POINTSIZ (3*sizeof(float)) |
| 24 |
> |
/* Extra points world space point, vert flag and qt flag */ |
| 25 |
> |
#define POINTSIZ (3*sizeof(SFLOAT) + 2*sizeof(int)) |
| 26 |
|
|
| 27 |
|
/* Clear the flags for all samples */ |
| 28 |
|
sClear_all_flags(s) |
| 29 |
|
SAMP *s; |
| 30 |
|
{ |
| 31 |
|
if(samp_flag) |
| 32 |
< |
bzero((char *)samp_flag,FLAG_BYTES(S_MAX_SAMP(s))); |
| 32 |
> |
bzero((char *)samp_flag,FLAG_BYTES(S_MAX_BASE_PT(s))); |
| 33 |
|
} |
| 34 |
|
|
| 35 |
|
sInit(s) |
| 40 |
|
S_TONE_MAP(s) = 0; |
| 41 |
|
S_FREE_SAMP(s) = -1; |
| 42 |
|
sClear_base_points(s); |
| 47 |
– |
sClear_all_flags(s); |
| 43 |
|
|
| 44 |
|
} |
| 45 |
|
|
| 77 |
|
|
| 78 |
|
S_BASE(s) = (char *)malloc(n*SAMPSIZ + extra_points*POINTSIZ); |
| 79 |
|
if (!S_BASE(s)) |
| 80 |
< |
error(SYSTEM,"smInit_samples(): Unable to allocate memory"); |
| 80 |
> |
error(SYSTEM,"sAlloc(): Unable to allocate memory"); |
| 81 |
|
|
| 82 |
|
/* assign larger alignment types earlier */ |
| 83 |
< |
S_W_PT(s) = (float (*)[3])S_BASE(s); |
| 83 |
> |
S_W_PT(s) = (SFLOAT(*)[3])S_BASE(s); |
| 84 |
|
S_W_DIR(s) = (int4 *)(S_W_PT(s) + n + extra_points); |
| 85 |
< |
#ifndef HP_VERSION |
| 91 |
< |
S_BRT(s) = (TMbright *)(S_W_DIR(s) + n); |
| 85 |
> |
S_BRT(s) = (TMbright *)(S_W_DIR(s) + n); |
| 86 |
|
S_CHR(s) = (BYTE (*)[3])(S_BRT(s) + n); |
| 93 |
– |
#else |
| 94 |
– |
S_CHR(s) = (BYTE (*)[3])(S_W_DIR(s) + n); |
| 95 |
– |
#endif |
| 87 |
|
S_RGB(s) = (BYTE (*)[3])(S_CHR(s) + n); |
| 88 |
+ |
S_INFO(s) = (int *)(S_RGB(s)+n); |
| 89 |
+ |
S_INFO1(s) = (int *)(S_INFO(s)+n+extra_points); |
| 90 |
|
S_MAX_SAMP(s) = n; |
| 91 |
|
S_MAX_BASE_PT(s) = n + extra_points; |
| 92 |
|
|
| 93 |
|
/* Allocate memory for a per/sample bit flag */ |
| 94 |
< |
if(!(samp_flag = (int4 *)malloc(FLAG_BYTES(n)))) |
| 95 |
< |
error(SYSTEM,"smInit_samples(): Unable to allocate flag memory"); |
| 103 |
< |
|
| 94 |
> |
if(!(samp_flag = (int4 *)malloc(FLAG_BYTES(n+extra_points)))) |
| 95 |
> |
error(SYSTEM,"sAlloc(): Unable to allocate flag memory"); |
| 96 |
|
sInit(s); |
| 97 |
+ |
sClear_all_flags(s); |
| 98 |
+ |
|
| 99 |
|
*nptr = n; |
| 100 |
|
|
| 101 |
|
return(s); |
| 126 |
|
return(id); |
| 127 |
|
} |
| 128 |
|
|
| 135 |
– |
/* Initialize the sample 'id' to contain world point 'p', direction 'd' and |
| 136 |
– |
color 'c'. If 'p' is NULL, a direction only is represented in 'd'. In |
| 137 |
– |
this case, the world point is set to the projection of the direction on |
| 138 |
– |
the view sphere, and the direction value is set to -1 |
| 139 |
– |
*/ |
| 140 |
– |
void |
| 141 |
– |
sInit_samp(s,id,c,d,p) |
| 142 |
– |
SAMP *s; |
| 143 |
– |
int id; |
| 144 |
– |
COLR c; |
| 145 |
– |
FVECT d,p; |
| 146 |
– |
{ |
| 147 |
– |
/* Copy vector into point */ |
| 148 |
– |
VCOPY(S_NTH_W_PT(s,id),p); |
| 149 |
– |
if(d) |
| 150 |
– |
S_NTH_W_DIR(s,id) = encodedir(d); |
| 151 |
– |
/* direction only */ |
| 152 |
– |
else |
| 153 |
– |
S_NTH_W_DIR(s,id) = -1; |
| 154 |
– |
|
| 155 |
– |
/* calculate the brightness and chrominance */ |
| 156 |
– |
#ifndef TEST_DRIVER |
| 157 |
– |
tmCvColrs(&S_NTH_BRT(s,id),S_NTH_CHR(s,id),c,1); |
| 158 |
– |
#else |
| 159 |
– |
if(c) |
| 160 |
– |
{ |
| 161 |
– |
S_NTH_RGB(s,id)[0] = c[0]; |
| 162 |
– |
S_NTH_RGB(s,id)[1] = c[1]; |
| 163 |
– |
S_NTH_RGB(s,id)[2] = c[2]; |
| 164 |
– |
} |
| 165 |
– |
else |
| 166 |
– |
{ |
| 167 |
– |
S_NTH_RGB(s,id)[0] = 100; |
| 168 |
– |
S_NTH_RGB(s,id)[1] = 0; |
| 169 |
– |
S_NTH_RGB(s,id)[2] = 0; |
| 170 |
– |
} |
| 171 |
– |
#endif |
| 172 |
– |
/* Set ACTIVE bit upon creation */ |
| 173 |
– |
S_SET_FLAG(id); |
| 174 |
– |
|
| 175 |
– |
} |
| 176 |
– |
|
| 177 |
– |
|
| 129 |
|
/* Copy the values of sample n_id into sample id: Note must not call with |
| 130 |
|
Base point n_id |
| 131 |
|
*/ |
| 132 |
|
int |
| 133 |
< |
sReset_samp(s,n_id,id) |
| 133 |
> |
sCopy_samp(s,n_id,id) |
| 134 |
|
SAMP *s; |
| 135 |
|
int n_id,id; |
| 136 |
|
{ |
| 142 |
|
return(0); |
| 143 |
|
} |
| 144 |
|
#endif |
| 145 |
< |
|
| 145 |
> |
if(n_id == id) |
| 146 |
> |
return(1); |
| 147 |
|
/* Copy vector into point */ |
| 148 |
|
VCOPY(S_NTH_W_PT(s,n_id),S_NTH_W_PT(s,id)); |
| 149 |
|
S_NTH_W_DIR(s,n_id) = S_NTH_W_DIR(s,id); |
| 150 |
|
|
| 199 |
– |
#ifndef HP_VERSION |
| 151 |
|
S_NTH_BRT(s,n_id) = S_NTH_BRT(s,id); |
| 201 |
– |
#endif |
| 152 |
|
S_NTH_CHR(s,n_id)[0] = S_NTH_CHR(s,id)[0]; |
| 153 |
|
S_NTH_CHR(s,n_id)[1] = S_NTH_CHR(s,id)[1]; |
| 154 |
|
S_NTH_CHR(s,n_id)[2] = S_NTH_CHR(s,id)[2]; |
| 155 |
+ |
|
| 156 |
|
return(1); |
| 157 |
|
} |
| 158 |
|
|
| 159 |
+ |
|
| 160 |
+ |
/* Initialize the sample 'id' to contain world point 'p', direction 'd' and |
| 161 |
+ |
color 'c'. If 'p' is NULL, a direction only is represented in 'd'. In |
| 162 |
+ |
this case, the world point is set to the projection of the direction on |
| 163 |
+ |
the view sphere, and the direction value is set to -1 |
| 164 |
+ |
*/ |
| 165 |
+ |
void |
| 166 |
+ |
sInit_samp(s,id,c,d,p,o_id) |
| 167 |
+ |
SAMP *s; |
| 168 |
+ |
int id; |
| 169 |
+ |
COLR c; |
| 170 |
+ |
FVECT d,p; |
| 171 |
+ |
int o_id; |
| 172 |
+ |
{ |
| 173 |
+ |
|
| 174 |
+ |
if(o_id != INVALID) |
| 175 |
+ |
sCopy_samp(s,id,o_id); |
| 176 |
+ |
else |
| 177 |
+ |
{ |
| 178 |
+ |
/* Copy vector into point */ |
| 179 |
+ |
VCOPY(S_NTH_W_PT(s,id),p); |
| 180 |
+ |
if(d) |
| 181 |
+ |
S_NTH_W_DIR(s,id) = encodedir(d); |
| 182 |
+ |
else |
| 183 |
+ |
S_NTH_W_DIR(s,id) = -1; |
| 184 |
+ |
|
| 185 |
+ |
/* calculate the brightness and chrominance,RGB will be set by |
| 186 |
+ |
tonemapping |
| 187 |
+ |
*/ |
| 188 |
+ |
#ifndef TEST_DRIVER |
| 189 |
+ |
tmCvColrs(&S_NTH_BRT(s,id),S_NTH_CHR(s,id),c,1); |
| 190 |
+ |
#endif |
| 191 |
+ |
} |
| 192 |
+ |
/* Set ACTIVE bit upon creation */ |
| 193 |
+ |
S_SET_FLAG(id); |
| 194 |
+ |
if(id < S_TONE_MAP(s)) |
| 195 |
+ |
tmMapPixels(S_NTH_RGB(s,id),&S_NTH_BRT(s,id),S_NTH_CHR(s,id),1); |
| 196 |
+ |
} |
| 197 |
+ |
|
| 198 |
+ |
|
| 199 |
|
/* Allocate a new sample. If an existing sample was replaced: set flag */ |
| 200 |
|
int |
| 201 |
|
sAlloc_samp(s,replaced) |
| 205 |
|
{ |
| 206 |
|
int id; |
| 207 |
|
|
| 208 |
< |
if(replaced) |
| 218 |
< |
*replaced = 0; |
| 219 |
< |
|
| 208 |
> |
/* First check if there are any freed sample available */ |
| 209 |
|
if((id = S_FREE_SAMP(s)) != INVALID) |
| 210 |
|
{ |
| 211 |
< |
S_FREE_SAMP(s) = INVALID; |
| 211 |
> |
*replaced = 0; |
| 212 |
> |
#if 0 |
| 213 |
> |
fprintf(stderr,"allocating previously freed sample %d\n",id); |
| 214 |
> |
#endif |
| 215 |
> |
S_FREE_SAMP(s) = S_NTH_NEXT(s,id); |
| 216 |
|
return(id); |
| 217 |
|
} |
| 218 |
|
/* If havn't reached end of sample array:return next sample */ |
| 219 |
|
if(S_NUM_SAMP(s) < S_MAX_SAMP(s)) |
| 227 |
– |
id = S_NUM_SAMP(s)++; |
| 228 |
– |
else |
| 220 |
|
{ |
| 221 |
< |
/* CLOCKED LRU replacement policy: Search through samples starting |
| 222 |
< |
with S_REPLACE_SAMP for a sample that does not have its active |
| 223 |
< |
bit set. Clear bit along the way |
| 224 |
< |
*/ |
| 225 |
< |
id = S_REPLACE_SAMP(s); |
| 226 |
< |
while(S_IS_FLAG(id)) |
| 236 |
< |
{ |
| 237 |
< |
S_CLR_FLAG(id); |
| 238 |
< |
id = (id +1)% S_MAX_SAMP(s); |
| 239 |
< |
} |
| 240 |
< |
S_REPLACE_SAMP(s) = id = (id +1)% S_MAX_SAMP(s); |
| 241 |
< |
if(replaced) |
| 242 |
< |
*replaced = 1; |
| 221 |
> |
id = S_NUM_SAMP(s)++; |
| 222 |
> |
#if 0 |
| 223 |
> |
fprintf(stderr,"allocating sample %d\n",id); |
| 224 |
> |
#endif |
| 225 |
> |
*replaced = 0; |
| 226 |
> |
return(id); |
| 227 |
|
} |
| 244 |
– |
return(id); |
| 245 |
– |
} |
| 228 |
|
|
| 229 |
< |
/* Set the sample flag to be unused- so will get replaced on next LRU |
| 248 |
< |
iteration |
| 249 |
< |
*/ |
| 250 |
< |
|
| 251 |
< |
/* NOTE: Do we want a free list as well? */ |
| 252 |
< |
int |
| 253 |
< |
sDelete_samp(s,id) |
| 254 |
< |
SAMP *s; |
| 255 |
< |
int id; |
| 229 |
> |
#ifdef DEBUG |
| 230 |
|
{ |
| 231 |
< |
#ifdef DEBUG |
| 232 |
< |
/* Fist check for a valid id */ |
| 233 |
< |
if(id >= S_MAX_SAMP(s) || id < 0) |
| 234 |
< |
return(0); |
| 231 |
> |
static int replace = 0; |
| 232 |
> |
if(replace == 0) |
| 233 |
> |
{ |
| 234 |
> |
eputs("Out of samples: using replacement strategy\n"); |
| 235 |
> |
replace =1 ; |
| 236 |
> |
} |
| 237 |
> |
} |
| 238 |
|
#endif |
| 239 |
|
|
| 240 |
< |
S_CLR_FLAG(id); |
| 241 |
< |
return(1); |
| 240 |
> |
/* CLOCKED LRU replacement policy: Search through samples starting |
| 241 |
> |
with S_REPLACE_SAMP for a sample that does not have its active |
| 242 |
> |
bit set. Clear bit along the way |
| 243 |
> |
*/ |
| 244 |
> |
id = S_REPLACE_SAMP(s); |
| 245 |
> |
while(S_IS_FLAG(id)) |
| 246 |
> |
{ |
| 247 |
> |
S_CLR_FLAG(id); |
| 248 |
> |
id = (id +1)% S_MAX_SAMP(s); |
| 249 |
> |
} |
| 250 |
> |
S_REPLACE_SAMP(s) = (id +1)% S_MAX_SAMP(s); |
| 251 |
> |
*replaced = 1; |
| 252 |
> |
return(id); |
| 253 |
|
} |
| 254 |
+ |
|
| 255 |
+ |
|
| 256 |
+ |
|
| 257 |
+ |
|
| 258 |
+ |
|
| 259 |
+ |
|
| 260 |
|
|
| 261 |
|
|
| 262 |
|
|
