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#ifndef lint |
| 2 |
< |
static const char RCSid[] = "$Id"; |
| 2 |
> |
static const char RCSid[] = "$Id$"; |
| 3 |
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#endif |
| 4 |
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/* |
| 5 |
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* rpict.c - routines and variables for picture generation. |
| 7 |
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| 8 |
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#include "copyright.h" |
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|
| 10 |
– |
#include "platform.h" |
| 11 |
– |
#include "ray.h" |
| 12 |
– |
|
| 10 |
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#include <sys/types.h> |
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|
| 12 |
< |
#ifndef NON_POSIX |
| 13 |
< |
#ifdef BSD |
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< |
#include <sys/time.h> |
| 15 |
< |
#include <sys/resource.h> |
| 12 |
> |
#include "platform.h" |
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> |
#ifdef NON_POSIX |
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> |
#ifdef MINGW |
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> |
#include <sys/time.h> |
| 16 |
> |
#endif |
| 17 |
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#else |
| 18 |
< |
#include <sys/times.h> |
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< |
#include <unistd.h> |
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> |
#ifdef BSD |
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> |
#include <sys/time.h> |
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> |
#include <sys/resource.h> |
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> |
#else |
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> |
#include <sys/times.h> |
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> |
#include <unistd.h> |
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> |
#endif |
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#endif |
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– |
#endif |
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|
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#include <time.h> |
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#include <signal.h> |
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|
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+ |
#include "ray.h" |
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#include "paths.h" |
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+ |
#include "ambient.h" |
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#include "view.h" |
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#include "random.h" |
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#include "paths.h" |
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+ |
#include "hilbert.h" |
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+ |
#include "pmapbias.h" |
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+ |
#include "pmapdiag.h" |
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|
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– |
|
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#define RFTEMPLATE "rfXXXXXX" |
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|
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#ifndef SIGCONT |
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CUBE thescene; /* our scene */ |
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OBJECT nsceneobjs; /* number of objects in our scene */ |
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|
| 51 |
+ |
extern RGBPRIMP out_prims; /* output color primitives (NULL if spectral) */ |
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+ |
|
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int dimlist[MAXDIM]; /* sampling dimensions */ |
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int ndims = 0; /* number of sampling dimensions */ |
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int samplendx; /* sample index number */ |
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|
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– |
extern void ambnotify(); |
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void (*addobjnotify[])() = {ambnotify, NULL}; |
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|
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VIEW ourview = STDVIEW; /* view parameters */ |
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double mblur = 0.; /* motion blur parameter */ |
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|
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+ |
double dblur = 0.; /* depth-of-field blur parameter */ |
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+ |
|
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void (*trace)() = NULL; /* trace call */ |
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|
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int do_irrad = 0; /* compute irradiance? */ |
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|
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+ |
int rand_samp = 0; /* pure Monte Carlo sampling? */ |
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+ |
|
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double dstrsrc = 0.0; /* square source distribution */ |
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double shadthresh = .05; /* shadow threshold */ |
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double shadcert = .5; /* shadow certainty */ |
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|
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int backvis = 1; /* back face visibility */ |
| 95 |
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|
| 96 |
< |
int maxdepth = 6; /* maximum recursion depth */ |
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< |
double minweight = 5e-3; /* minimum ray weight */ |
| 96 |
> |
int maxdepth = 7; /* maximum recursion depth */ |
| 97 |
> |
double minweight = 1e-4; /* minimum ray weight */ |
| 98 |
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|
| 99 |
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char *ambfile = NULL; /* ambient file name */ |
| 100 |
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COLOR ambval = BLKCOLOR; /* ambient value */ |
| 101 |
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int ambvwt = 0; /* initial weight for ambient value */ |
| 102 |
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double ambacc = 0.2; /* ambient accuracy */ |
| 103 |
< |
int ambres = 32; /* ambient resolution */ |
| 104 |
< |
int ambdiv = 128; /* ambient divisions */ |
| 105 |
< |
int ambssamp = 0; /* ambient super-samples */ |
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> |
int ambres = 64; /* ambient resolution */ |
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> |
int ambdiv = 512; /* ambient divisions */ |
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> |
int ambssamp = 128; /* ambient super-samples */ |
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int ambounce = 0; /* ambient bounces */ |
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< |
char *amblist[128]; /* ambient include/exclude list */ |
| 107 |
> |
char *amblist[AMBLLEN]; /* ambient include/exclude list */ |
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int ambincl = -1; /* include == 1, exclude == 0 */ |
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|
| 110 |
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int ralrm = 0; /* seconds between reports */ |
| 119 |
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|
| 120 |
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int hres, vres; /* resolution for this frame */ |
| 121 |
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|
| 122 |
+ |
extern void sskip_ray(RAY *r, double h, double v); |
| 123 |
+ |
|
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static VIEW lastview; /* the previous view input */ |
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|
| 126 |
< |
extern char *mktemp(); /* XXX should be in stdlib.h or unistd.h */ |
| 126 |
> |
static void report(int); |
| 127 |
> |
static int nextview(FILE *fp); |
| 128 |
> |
static void render(char *zfile, char *oldfile); |
| 129 |
> |
static void fillscanline(COLOR *scanline, float *zline, char *sd, int xres, |
| 130 |
> |
int y, int xstep); |
| 131 |
> |
static void fillscanbar(COLOR *scanbar[], float *zbar[], int xres, |
| 132 |
> |
int y, int ysize); |
| 133 |
> |
static int fillsample(COLOR *colline, float *zline, int x, int y, |
| 134 |
> |
int xlen, int ylen, int b); |
| 135 |
> |
static double pixvalue(COLOR col, int x, int y); |
| 136 |
> |
static int salvage(char *oldfile); |
| 137 |
> |
static int pixnumber(int x, int y, int xres, int yres); |
| 138 |
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|
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– |
void report(); |
| 139 |
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|
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– |
double pixvalue(); |
| 140 |
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|
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– |
#ifdef RHAS_STAT |
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– |
#include <sys/types.h> |
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– |
#include <sys/stat.h> |
| 121 |
– |
int |
| 122 |
– |
file_exists(fname) /* ordinary file exists? */ |
| 123 |
– |
char *fname; |
| 124 |
– |
{ |
| 125 |
– |
struct stat sbuf; |
| 126 |
– |
if (stat(fname, &sbuf) < 0) return(0); |
| 127 |
– |
return((sbuf.st_mode & S_IFREG) != 0); |
| 128 |
– |
} |
| 129 |
– |
#else |
| 130 |
– |
#define file_exists(f) (access(f,F_OK)==0) |
| 131 |
– |
#endif |
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– |
|
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– |
|
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void |
| 142 |
< |
quit(code) /* quit program */ |
| 136 |
< |
int code; |
| 142 |
> |
quit(int code) /* quit program */ |
| 143 |
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{ |
| 144 |
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if (code) /* report status */ |
| 145 |
< |
report(); |
| 145 |
> |
report(0); |
| 146 |
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#ifndef NON_POSIX |
| 147 |
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headclean(); /* delete header file */ |
| 148 |
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pfclean(); /* clean up persist files */ |
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|
| 153 |
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|
| 154 |
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#ifndef NON_POSIX |
| 155 |
< |
void |
| 156 |
< |
report() /* report progress */ |
| 155 |
> |
static void |
| 156 |
> |
report(int dummy) /* report progress */ |
| 157 |
|
{ |
| 158 |
< |
extern char *myhostname(); |
| 159 |
< |
double u, s; |
| 158 |
> |
char bcStat [128]; |
| 159 |
> |
double u, s; |
| 160 |
|
#ifdef BSD |
| 161 |
< |
struct rusage rubuf; |
| 161 |
> |
struct rusage rubuf; |
| 162 |
|
#else |
| 163 |
< |
struct tms tbuf; |
| 164 |
< |
double period; |
| 163 |
> |
double period = 1.0 / 60.0; |
| 164 |
> |
struct tms tbuf; |
| 165 |
|
#endif |
| 166 |
|
|
| 167 |
|
tlastrept = time((time_t *)NULL); |
| 168 |
|
#ifdef BSD |
| 169 |
|
getrusage(RUSAGE_SELF, &rubuf); |
| 170 |
< |
u = rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec/1e6; |
| 171 |
< |
s = rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec/1e6; |
| 170 |
> |
u = rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec*1e-6; |
| 171 |
> |
s = rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec*1e-6; |
| 172 |
|
getrusage(RUSAGE_CHILDREN, &rubuf); |
| 173 |
< |
u += rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec/1e6; |
| 174 |
< |
s += rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec/1e6; |
| 173 |
> |
u += rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec*1e-6; |
| 174 |
> |
s += rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec*1e-6; |
| 175 |
|
#else |
| 176 |
|
times(&tbuf); |
| 177 |
|
#ifdef _SC_CLK_TCK |
| 178 |
|
period = 1.0 / sysconf(_SC_CLK_TCK); |
| 173 |
– |
#else |
| 174 |
– |
period = 1.0 / 60.0; |
| 179 |
|
#endif |
| 180 |
|
u = ( tbuf.tms_utime + tbuf.tms_cutime ) * period; |
| 181 |
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s = ( tbuf.tms_stime + tbuf.tms_cstime ) * period; |
| 182 |
|
#endif |
| 183 |
|
|
| 184 |
+ |
/* PMAP: Get photon map bias compensation statistics */ |
| 185 |
+ |
pmapBiasCompReport(bcStat); |
| 186 |
+ |
|
| 187 |
|
sprintf(errmsg, |
| 188 |
< |
"%lu rays, %4.2f%% after %.3fu %.3fs %.3fr hours on %s\n", |
| 189 |
< |
nrays, pctdone, u/3600., s/3600., |
| 190 |
< |
(tlastrept-tstart)/3600., myhostname()); |
| 188 |
> |
"%lu rays, %s%4.2f%% after %.3fu %.3fs %.3fr hours on %s (PID %d)\n", |
| 189 |
> |
nrays, bcStat, pctdone, u*(1./3600.), s*(1./3600.), |
| 190 |
> |
(tlastrept-tstart)*(1./3600.), myhostname(), getpid()); |
| 191 |
|
eputs(errmsg); |
| 192 |
|
#ifdef SIGCONT |
| 193 |
|
signal(SIGCONT, report); |
| 194 |
|
#endif |
| 195 |
|
} |
| 196 |
|
#else |
| 197 |
< |
void |
| 198 |
< |
report() /* report progress */ |
| 197 |
> |
static void |
| 198 |
> |
report(int dummy) /* report progress */ |
| 199 |
|
{ |
| 200 |
+ |
char bcStat [128]; |
| 201 |
+ |
|
| 202 |
|
tlastrept = time((time_t *)NULL); |
| 203 |
< |
sprintf(errmsg, "%lu rays, %4.2f%% after %5.4f hours\n", |
| 204 |
< |
nrays, pctdone, (tlastrept-tstart)/3600.0); |
| 203 |
> |
|
| 204 |
> |
/* PMAP: Get photon map bias compensation statistics */ |
| 205 |
> |
pmapBiasCompReport(bcStat); |
| 206 |
> |
|
| 207 |
> |
sprintf(errmsg, "%lu rays, %s%4.2f%% after %5.4f hours\n", |
| 208 |
> |
nrays, bcStat, pctdone, (tlastrept-tstart)/3600.0); |
| 209 |
|
eputs(errmsg); |
| 210 |
|
} |
| 211 |
|
#endif |
| 212 |
|
|
| 213 |
|
|
| 214 |
|
void |
| 215 |
< |
rpict(seq, pout, zout, prvr) /* generate image(s) */ |
| 216 |
< |
int seq; |
| 217 |
< |
char *pout, *zout, *prvr; |
| 215 |
> |
rpict( /* generate image(s) */ |
| 216 |
> |
int seq, |
| 217 |
> |
char *pout, |
| 218 |
> |
char *zout, |
| 219 |
> |
char *prvr |
| 220 |
> |
) |
| 221 |
|
/* |
| 222 |
|
* If seq is greater than zero, then we will render a sequence of |
| 223 |
|
* images based on view parameter strings read from the standard input. |
| 232 |
|
{ |
| 233 |
|
char fbuf[128], fbuf2[128]; |
| 234 |
|
int npicts; |
| 235 |
< |
register char *cp; |
| 235 |
> |
char *cp; |
| 236 |
|
RESOLU rs; |
| 237 |
|
double pa; |
| 238 |
|
/* check sampling */ |
| 248 |
|
if (seq <= 0) |
| 249 |
|
seq = 0; |
| 250 |
|
else if (prvr != NULL && isint(prvr)) { |
| 251 |
< |
register int rn; /* skip to specified view */ |
| 251 |
> |
int rn; /* skip to specified view */ |
| 252 |
|
if ((rn = atoi(prvr)) < seq) |
| 253 |
|
error(USER, "recover frame less than start frame"); |
| 254 |
|
if (pout == NULL) |
| 259 |
|
setview(&ourview); |
| 260 |
|
prvr = fbuf; /* mark for renaming */ |
| 261 |
|
} |
| 262 |
< |
if (pout != NULL & prvr != NULL) { |
| 262 |
> |
if ((pout != NULL) & (prvr != NULL)) { |
| 263 |
|
sprintf(fbuf, pout, seq); |
| 264 |
|
if (!strcmp(prvr, fbuf)) { /* rename */ |
| 265 |
|
strcpy(fbuf2, fbuf); |
| 269 |
|
cp--; |
| 270 |
|
strcpy(cp, RFTEMPLATE); |
| 271 |
|
prvr = mktemp(fbuf2); |
| 272 |
< |
if (rename(fbuf, prvr) < 0) |
| 272 |
> |
if (rename(fbuf, prvr) < 0) { |
| 273 |
|
if (errno == ENOENT) { /* ghost file */ |
| 274 |
|
sprintf(errmsg, |
| 275 |
|
"new output file \"%s\"", |
| 282 |
|
fbuf, prvr); |
| 283 |
|
error(SYSTEM, errmsg); |
| 284 |
|
} |
| 285 |
+ |
} |
| 286 |
|
} |
| 287 |
|
} |
| 288 |
|
npicts = 0; /* render sequence */ |
| 289 |
|
do { |
| 290 |
|
if (seq && nextview(stdin) == EOF) |
| 291 |
|
break; |
| 292 |
+ |
lastview.type *= seq > 1; |
| 293 |
|
pctdone = 0.0; |
| 294 |
|
if (pout != NULL) { |
| 295 |
+ |
int myfd; |
| 296 |
+ |
close(1); /* reassign stdout */ |
| 297 |
|
sprintf(fbuf, pout, seq); |
| 298 |
< |
if (file_exists(fbuf)) { |
| 299 |
< |
if (prvr != NULL || !strcmp(fbuf, pout)) { |
| 298 |
> |
tryagain: |
| 299 |
> |
errno = 0; /* exclusive open */ |
| 300 |
> |
if ((myfd = open(fbuf, O_WRONLY|O_CREAT|O_EXCL, 0666)) < 0) { |
| 301 |
> |
if ((errno != EEXIST) | (prvr != NULL) || |
| 302 |
> |
!strcmp(fbuf, pout)) { |
| 303 |
|
sprintf(errmsg, |
| 304 |
< |
"output file \"%s\" exists", |
| 304 |
> |
"cannot open output file \"%s\"", |
| 305 |
|
fbuf); |
| 306 |
< |
error(USER, errmsg); |
| 306 |
> |
error(SYSTEM, errmsg); |
| 307 |
|
} |
| 308 |
|
setview(&ourview); |
| 309 |
|
continue; /* don't clobber */ |
| 310 |
|
} |
| 311 |
< |
if (freopen(fbuf, "w", stdout) == NULL) { |
| 312 |
< |
sprintf(errmsg, |
| 313 |
< |
"cannot open output file \"%s\"", fbuf); |
| 291 |
< |
error(SYSTEM, errmsg); |
| 311 |
> |
if (myfd != 1) { |
| 312 |
> |
unlink(fbuf); |
| 313 |
> |
goto tryagain; /* leave it open */ |
| 314 |
|
} |
| 315 |
< |
SET_FILE_BINARY(stdout); |
| 315 |
> |
SET_FD_BINARY(1); |
| 316 |
|
dupheader(); |
| 317 |
|
} |
| 318 |
|
hres = hresolu; vres = vresolu; pa = pixaspect; |
| 319 |
< |
if (prvr != NULL) |
| 320 |
< |
if (viewfile(prvr, &ourview, &rs) <= 0 |
| 299 |
< |
|| rs.rt != PIXSTANDARD) { |
| 319 |
> |
if (prvr != NULL) { |
| 320 |
> |
if (viewfile(prvr, &ourview, &rs) <= 0) { |
| 321 |
|
sprintf(errmsg, |
| 322 |
|
"cannot recover view parameters from \"%s\"", prvr); |
| 323 |
|
error(WARNING, errmsg); |
| 326 |
|
hres = scanlen(&rs); |
| 327 |
|
vres = numscans(&rs); |
| 328 |
|
} |
| 329 |
+ |
} |
| 330 |
|
if ((cp = setview(&ourview)) != NULL) |
| 331 |
|
error(USER, cp); |
| 332 |
|
normaspect(viewaspect(&ourview), &pa, &hres, &vres); |
| 342 |
|
fputs(VIEWSTR, stdout); |
| 343 |
|
fprintview(&ourview, stdout); |
| 344 |
|
putchar('\n'); |
| 345 |
< |
if (pa < .99 || pa > 1.01) |
| 345 |
> |
if ((pa < .99) | (pa > 1.01)) |
| 346 |
|
fputaspect(pa, stdout); |
| 347 |
|
fputnow(stdout); |
| 348 |
< |
fputformat(COLRFMT, stdout); |
| 349 |
< |
putchar('\n'); |
| 348 |
> |
if (out_prims == xyzprims) { |
| 349 |
> |
fputformat(CIEFMT, stdout); |
| 350 |
> |
} else { |
| 351 |
> |
fputprims(out_prims, stdout); |
| 352 |
> |
fputformat(COLRFMT, stdout); |
| 353 |
> |
} |
| 354 |
> |
putchar('\n'); /* close header */ |
| 355 |
|
if (zout != NULL) |
| 356 |
|
sprintf(cp=fbuf, zout, seq); |
| 357 |
|
else |
| 366 |
|
} |
| 367 |
|
|
| 368 |
|
|
| 369 |
< |
nextview(fp) /* get next view from fp */ |
| 370 |
< |
FILE *fp; |
| 369 |
> |
static int |
| 370 |
> |
nextview( /* get next view from fp */ |
| 371 |
> |
FILE *fp |
| 372 |
> |
) |
| 373 |
|
{ |
| 374 |
|
char linebuf[256]; |
| 375 |
|
|
| 376 |
< |
copystruct(&lastview, &ourview); |
| 376 |
> |
lastview = ourview; |
| 377 |
|
while (fgets(linebuf, sizeof(linebuf), fp) != NULL) |
| 378 |
|
if (isview(linebuf) && sscanview(&ourview, linebuf) > 0) |
| 379 |
|
return(0); |
| 381 |
|
} |
| 382 |
|
|
| 383 |
|
|
| 384 |
< |
render(zfile, oldfile) /* render the scene */ |
| 385 |
< |
char *zfile, *oldfile; |
| 384 |
> |
static void |
| 385 |
> |
render( /* render the scene */ |
| 386 |
> |
char *zfile, |
| 387 |
> |
char *oldfile |
| 388 |
> |
) |
| 389 |
|
{ |
| 390 |
+ |
const int srcdrawing = /* manually draw tiny light sources? */ |
| 391 |
+ |
(directvis && dblur <= FTINY && (mblur <= FTINY) | !lastview.type); |
| 392 |
|
COLOR *scanbar[MAXDIV+1]; /* scanline arrays of pixel values */ |
| 393 |
|
float *zbar[MAXDIV+1]; /* z values */ |
| 394 |
|
char *sampdens; /* previous sample density */ |
| 398 |
|
int zfd; |
| 399 |
|
COLOR *colptr; |
| 400 |
|
float *zptr; |
| 401 |
< |
register int i; |
| 401 |
> |
int i; |
| 402 |
|
/* check for empty image */ |
| 403 |
< |
if (hres <= 0 || vres <= 0) { |
| 403 |
> |
if ((hres <= 0) | (vres <= 0)) { |
| 404 |
|
error(WARNING, "empty output picture"); |
| 405 |
|
fprtresolu(0, 0, stdout); |
| 406 |
|
return; |
| 444 |
|
i = salvage(oldfile); |
| 445 |
|
if (i >= vres) |
| 446 |
|
goto alldone; |
| 447 |
< |
if (zfd != -1 && i > 0 && |
| 448 |
< |
lseek(zfd, (off_t)i*hres*sizeof(float), 0) < 0) |
| 447 |
> |
if ((zfd != -1) & (i > 0) && |
| 448 |
> |
lseek(zfd, (off_t)i*hres*sizeof(float), SEEK_SET) < 0) |
| 449 |
|
error(SYSTEM, "z-file seek error in render"); |
| 450 |
|
pctdone = 100.0*i/vres; |
| 451 |
|
if (ralrm > 0) /* report init stats */ |
| 452 |
< |
report(); |
| 452 |
> |
report(0); |
| 453 |
|
#ifdef SIGCONT |
| 454 |
|
else |
| 455 |
|
signal(SIGCONT, report); |
| 456 |
|
#endif |
| 457 |
|
ypos = vres-1 - i; /* initialize sampling */ |
| 458 |
< |
if (directvis) |
| 458 |
> |
if (srcdrawing) |
| 459 |
|
init_drawsources(psample); |
| 460 |
|
fillscanline(scanbar[0], zbar[0], sampdens, hres, ypos, hstep); |
| 461 |
|
/* compute scanlines */ |
| 476 |
|
hres, ypos, hstep); |
| 477 |
|
/* fill bar */ |
| 478 |
|
fillscanbar(scanbar, zbar, hres, ypos, ystep); |
| 479 |
< |
if (directvis) /* add bitty sources */ |
| 480 |
< |
drawsources(scanbar, zbar, 0, hres, ypos, ystep); |
| 479 |
> |
if (srcdrawing) /* add bitty sources */ |
| 480 |
> |
drawsources((COLORV **)scanbar, out_prims, zbar, 0, hres, ypos, ystep); |
| 481 |
|
/* write it out */ |
| 482 |
|
#ifdef SIGCONT |
| 483 |
|
signal(SIGCONT, SIG_IGN); /* don't interrupt writes */ |
| 495 |
|
/* record progress */ |
| 496 |
|
pctdone = 100.0*(vres-1-ypos)/vres; |
| 497 |
|
if (ralrm > 0 && time((time_t *)NULL) >= tlastrept+ralrm) |
| 498 |
< |
report(); |
| 498 |
> |
report(0); |
| 499 |
|
#ifdef SIGCONT |
| 500 |
|
else |
| 501 |
|
signal(SIGCONT, report); |
| 524 |
|
free(sampdens); |
| 525 |
|
pctdone = 100.0; |
| 526 |
|
if (ralrm > 0) |
| 527 |
< |
report(); |
| 527 |
> |
report(0); |
| 528 |
|
#ifdef SIGCONT |
| 529 |
|
signal(SIGCONT, SIG_DFL); |
| 530 |
|
#endif |
| 536 |
|
} |
| 537 |
|
|
| 538 |
|
|
| 539 |
< |
fillscanline(scanline, zline, sd, xres, y, xstep) /* fill scan at y */ |
| 540 |
< |
register COLOR *scanline; |
| 541 |
< |
register float *zline; |
| 542 |
< |
register char *sd; |
| 543 |
< |
int xres, y, xstep; |
| 539 |
> |
static void |
| 540 |
> |
fillscanline( /* fill scan at y */ |
| 541 |
> |
COLOR *scanline, |
| 542 |
> |
float *zline, |
| 543 |
> |
char *sd, |
| 544 |
> |
int xres, |
| 545 |
> |
int y, |
| 546 |
> |
int xstep |
| 547 |
> |
) |
| 548 |
|
{ |
| 549 |
|
static int nc = 0; /* number of calls */ |
| 550 |
|
int bl = xstep, b = xstep; |
| 551 |
|
double z; |
| 552 |
< |
register int i; |
| 552 |
> |
int i; |
| 553 |
|
|
| 554 |
|
z = pixvalue(scanline[0], 0, y); |
| 555 |
|
if (zline) zline[0] = z; |
| 575 |
|
} |
| 576 |
|
|
| 577 |
|
|
| 578 |
< |
fillscanbar(scanbar, zbar, xres, y, ysize) /* fill interior */ |
| 579 |
< |
register COLOR *scanbar[]; |
| 580 |
< |
register float *zbar[]; |
| 581 |
< |
int xres, y, ysize; |
| 578 |
> |
static void |
| 579 |
> |
fillscanbar( /* fill interior */ |
| 580 |
> |
COLOR *scanbar[], |
| 581 |
> |
float *zbar[], |
| 582 |
> |
int xres, |
| 583 |
> |
int y, |
| 584 |
> |
int ysize |
| 585 |
> |
) |
| 586 |
|
{ |
| 587 |
|
COLOR vline[MAXDIV+1]; |
| 588 |
|
float zline[MAXDIV+1]; |
| 589 |
|
int b = ysize; |
| 590 |
< |
register int i, j; |
| 590 |
> |
int i, j; |
| 591 |
|
|
| 592 |
|
for (i = 0; i < xres; i++) { |
| 593 |
|
copycolor(vline[0], scanbar[0][i]); |
| 608 |
|
} |
| 609 |
|
|
| 610 |
|
|
| 611 |
< |
int |
| 612 |
< |
fillsample(colline, zline, x, y, xlen, ylen, b) /* fill interior points */ |
| 613 |
< |
register COLOR *colline; |
| 614 |
< |
register float *zline; |
| 615 |
< |
int x, y; |
| 616 |
< |
int xlen, ylen; |
| 617 |
< |
int b; |
| 611 |
> |
static int |
| 612 |
> |
fillsample( /* fill interior points */ |
| 613 |
> |
COLOR *colline, |
| 614 |
> |
float *zline, |
| 615 |
> |
int x, |
| 616 |
> |
int y, |
| 617 |
> |
int xlen, |
| 618 |
> |
int ylen, |
| 619 |
> |
int b |
| 620 |
> |
) |
| 621 |
|
{ |
| 622 |
|
double ratio; |
| 623 |
|
double z; |
| 624 |
|
COLOR ctmp; |
| 625 |
|
int ncut; |
| 626 |
< |
register int len; |
| 626 |
> |
int len; |
| 627 |
|
|
| 628 |
|
if (xlen > 0) /* x or y length is zero */ |
| 629 |
|
len = xlen; |
| 664 |
|
} |
| 665 |
|
|
| 666 |
|
|
| 667 |
< |
double |
| 668 |
< |
pixvalue(col, x, y) /* compute pixel value */ |
| 669 |
< |
COLOR col; /* returned color */ |
| 670 |
< |
int x, y; /* pixel position */ |
| 667 |
> |
static double |
| 668 |
> |
pixvalue( /* compute pixel value */ |
| 669 |
> |
COLOR col, /* returned color */ |
| 670 |
> |
int x, /* pixel position */ |
| 671 |
> |
int y |
| 672 |
> |
) |
| 673 |
|
{ |
| 674 |
|
RAY thisray; |
| 675 |
|
FVECT lorg, ldir; |
| 676 |
< |
double hpos, vpos, lmax, d; |
| 676 |
> |
double hpos, vpos, lmax; |
| 677 |
> |
int i; |
| 678 |
|
/* compute view ray */ |
| 679 |
+ |
setcolor(col, 0.0, 0.0, 0.0); |
| 680 |
|
hpos = (x+pixjitter())/hres; |
| 681 |
|
vpos = (y+pixjitter())/vres; |
| 682 |
|
if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, |
| 683 |
< |
&ourview, hpos, vpos)) < -FTINY) { |
| 635 |
< |
setcolor(col, 0.0, 0.0, 0.0); |
| 683 |
> |
&ourview, hpos, vpos)) < -FTINY) |
| 684 |
|
return(0.0); |
| 685 |
< |
} |
| 686 |
< |
|
| 639 |
< |
samplendx = pixnumber(x,y,hres,vres); /* set pixel index */ |
| 640 |
< |
|
| 685 |
> |
/* set pixel index */ |
| 686 |
> |
samplendx = pixnumber(x,y,hres,vres); |
| 687 |
|
/* optional motion blur */ |
| 688 |
|
if (lastview.type && mblur > FTINY && (lmax = viewray(lorg, ldir, |
| 689 |
|
&lastview, hpos, vpos)) >= -FTINY) { |
| 690 |
< |
register int i; |
| 645 |
< |
register double d = mblur*(.5-urand(281+samplendx)); |
| 690 |
> |
double d = mblur*(.5-urand(281+samplendx)); |
| 691 |
|
|
| 692 |
|
thisray.rmax = (1.-d)*thisray.rmax + d*lmax; |
| 693 |
|
for (i = 3; i--; ) { |
| 697 |
|
if (normalize(thisray.rdir) == 0.0) |
| 698 |
|
return(0.0); |
| 699 |
|
} |
| 700 |
+ |
/* depth-of-field */ |
| 701 |
+ |
if (!jitteraperture(thisray.rorg, thisray.rdir, &ourview, dblur)) |
| 702 |
+ |
return(0.0); |
| 703 |
|
|
| 704 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
| 704 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
| 705 |
|
|
| 706 |
|
rayvalue(&thisray); /* trace ray */ |
| 707 |
+ |
/* -> color */ |
| 708 |
+ |
scolor_out(col, out_prims, thisray.rcol); |
| 709 |
|
|
| 710 |
< |
copycolor(col, thisray.rcol); /* return color */ |
| 661 |
< |
|
| 662 |
< |
return(thisray.rt); /* return distance */ |
| 710 |
> |
return(raydistance(&thisray)); /* return distance */ |
| 711 |
|
} |
| 712 |
|
|
| 713 |
|
|
| 714 |
< |
int |
| 715 |
< |
salvage(oldfile) /* salvage scanlines from killed program */ |
| 716 |
< |
char *oldfile; |
| 714 |
> |
static int |
| 715 |
> |
salvage( /* salvage scanlines from killed program */ |
| 716 |
> |
char *oldfile |
| 717 |
> |
) |
| 718 |
|
{ |
| 719 |
|
COLR *scanline; |
| 720 |
|
FILE *fp; |
| 740 |
|
goto gotzip; |
| 741 |
|
} |
| 742 |
|
|
| 743 |
< |
if (x != hres || y != vres) { |
| 743 |
> |
if ((x != hres) | (y != vres)) { |
| 744 |
|
sprintf(errmsg, "resolution mismatch in recover file \"%s\"", |
| 745 |
|
oldfile); |
| 746 |
|
error(USER, errmsg); |
| 768 |
|
writerr: |
| 769 |
|
sprintf(errmsg, "write error during recovery of \"%s\"", oldfile); |
| 770 |
|
error(SYSTEM, errmsg); |
| 771 |
+ |
return -1; /* pro forma return */ |
| 772 |
|
} |
| 773 |
|
|
| 774 |
< |
|
| 775 |
< |
int |
| 776 |
< |
pixnumber(x, y, xres, yres) /* compute pixel index (brushed) */ |
| 777 |
< |
register int x, y; |
| 778 |
< |
int xres, yres; |
| 774 |
> |
static int |
| 775 |
> |
pixnumber( /* compute pixel index (screen door) */ |
| 776 |
> |
int x, |
| 777 |
> |
int y, |
| 778 |
> |
int xres, |
| 779 |
> |
int yres |
| 780 |
> |
) |
| 781 |
|
{ |
| 782 |
< |
x -= y; |
| 783 |
< |
while (x < 0) |
| 784 |
< |
x += xres; |
| 785 |
< |
return((((x>>2)*yres + y) << 2) + (x & 3)); |
| 782 |
> |
unsigned nbits = 0; |
| 783 |
> |
bitmask_t coord[2]; |
| 784 |
> |
|
| 785 |
> |
if (xres < yres) xres = yres; |
| 786 |
> |
while (xres > 0) { |
| 787 |
> |
xres >>= 1; |
| 788 |
> |
++nbits; |
| 789 |
> |
} |
| 790 |
> |
coord[0] = x; coord[1] = y; |
| 791 |
> |
return ((int)hilbert_c2i(2, nbits, coord)); |
| 792 |
|
} |
