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#include "octree.h" |
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#include "object.h" |
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#include "color.h" |
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#include "pmapparm.h" |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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|
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< |
#define MAXDIM 32 /* maximum number of dimensions */ |
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#ifndef RNUMBER |
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> |
#define RNUMBER size_t /* ray counter (>= sizeof pointer) */ |
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#endif |
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|
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#define MAXDIM 36 /* maximum number of sampling dimensions */ |
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#define XTRADIM 3 /* #spare dimensions */ |
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#define ndims_inc() (ndims -= ndims>=MAXDIM-XTRADIM, ndims++) |
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#define dec_ndims() (ndims -= ndims>0) |
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|
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/* ray type flags */ |
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#define PRIMARY 01 /* original ray */ |
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#define SHADOW 02 /* ray to light source */ |
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#define RSHADOW 02 /* reflected ray to light source */ |
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#define REFLECTED 04 /* reflected ray */ |
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#define REFRACTED 010 /* refracted (bent) ray */ |
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#define TRANS 020 /* transmitted/transferred ray */ |
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#define AMBIENT 040 /* ray scattered for interreflection */ |
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#define SPECULAR 0100 /* ray scattered for specular */ |
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#define RAMBIENT 040 /* reflected diffuse interreflection */ |
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#define RSPECULAR 0100 /* reflected specular */ |
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#define TSHADOW 0200 /* transmitted shadow */ |
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#define TAMBIENT 0400 /* transmitted ambient */ |
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#define TSPECULAR 01000 /* transmitted specular */ |
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#define SHADOW (RSHADOW|TSHADOW) |
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#define AMBIENT (RAMBIENT|TAMBIENT) |
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#define SPECULAR (RSPECULAR|TSPECULAR) |
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|
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/* reflected ray types */ |
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< |
#define RAYREFL (SHADOW|REFLECTED|AMBIENT|SPECULAR) |
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#define RAYREFL (RSHADOW|REFLECTED|RAMBIENT|RSPECULAR) |
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|
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/* Arrange so double's come first for optimal alignment */ |
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/* Pointers and long's come second for 64-bit mode */ |
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/* Int's next (unknown length), then floats, followed by short's & char's */ |
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typedef struct ray { |
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unsigned long rno; /* unique ray number */ |
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int rlvl; /* number of reflections for this ray */ |
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float rweight; /* cumulative weight of this ray */ |
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short rtype; /* ray type */ |
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short crtype; /* cumulative ray type */ |
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struct ray *parent; /* ray this originated from */ |
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FVECT rorg; /* origin of ray */ |
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FVECT rdir; /* normalized direction of ray */ |
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double rmax; /* maximum distance (aft clipping plane) */ |
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int rsrc; /* source we're aiming for */ |
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RREAL rmax; /* maximum distance (aft clipping plane) */ |
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RREAL rot; /* distance to object */ |
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FVECT rop; /* intersection point */ |
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FVECT ron; /* intersection surface normal */ |
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RREAL rod; /* -DOT(rdir, ron) */ |
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RREAL uv[2]; /* local coordinates */ |
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FVECT pert; /* surface normal perturbation */ |
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> |
RREAL rmt; /* returned mirrored ray length */ |
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> |
RREAL rxt; /* returned unmirrored ray length */ |
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const struct ray *parent; /* ray this originated from */ |
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OBJECT *clipset; /* set of objects currently clipped */ |
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OBJECT *newcset; /* next clipset, used for transmission */ |
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void (*revf)(struct ray *); /* evaluation function for this ray */ |
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> |
void (*revf)(struct ray *); /* ray evaluation function */ |
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void (*hitf)(OBJECT *, struct ray *); /* custom hit test */ |
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OBJECT robj; /* intersected object number */ |
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OBJREC *ro; /* intersected object (one with material) */ |
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double rot; /* distance to object */ |
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FVECT rop; /* intersection point */ |
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FVECT ron; /* intersection surface normal */ |
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double rod; /* -DOT(rdir, ron) */ |
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FULLXF *rox; /* object transformation */ |
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RREAL uv[2]; /* local coordinates */ |
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FVECT pert; /* surface normal perturbation */ |
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COLOR pcol; /* pattern color */ |
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COLOR rcol; /* returned ray value */ |
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double rt; /* returned effective ray length */ |
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> |
int *slights; /* list of lights to test for scattering */ |
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> |
RNUMBER rno; /* unique ray number */ |
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> |
OBJECT robj; /* intersected object number */ |
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> |
int rsrc; /* source we're aiming for (or ones to skip) */ |
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> |
float rweight; /* cumulative weight (for termination) */ |
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> |
float gecc; /* scattering eccentricity coefficient */ |
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SCOLOR rcoef; /* contribution coefficient w.r.t. parent */ |
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> |
SCOLOR pcol; /* pattern color */ |
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SCOLOR mcol; /* mirrored color contribution */ |
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> |
SCOLOR rcol; /* returned radiance value */ |
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COLOR cext; /* medium extinction coefficient */ |
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COLOR albedo; /* medium scattering albedo */ |
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float gecc; /* scattering eccentricity coefficient */ |
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int *slights; /* list of lights to test for scattering */ |
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> |
short rflips; /* surface orientation has been reversed */ |
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> |
short rlvl; /* number of reflections for this ray */ |
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> |
short rtype; /* ray type */ |
| 82 |
> |
short crtype; /* cumulative ray type */ |
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} RAY; |
| 84 |
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|
| 85 |
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#define rayvalue(r) (*(r)->revf)(r) |
| 86 |
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|
| 87 |
< |
extern char VersionID[]; /* Radiance version ID string */ |
| 87 |
> |
#define thrudir(r,v) ((r)->rod > 0 ^ DOT((r)->ron,v) > 0) |
| 88 |
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|
| 89 |
+ |
#define raydistance(r) (pbright((r)->mcol) > 0.5*pbright((r)->rcol) ? \ |
| 90 |
+ |
(r)->rmt : (r)->rxt) |
| 91 |
+ |
|
| 92 |
+ |
#define rayreorient(r) if ((r)->rflips & 1) flipsurface(r); else |
| 93 |
+ |
|
| 94 |
+ |
extern char VersionID[]; /* Radiance version ID string */ |
| 95 |
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extern char RFeatureList[]; /* newline-separated feature list */ |
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|
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extern CUBE thescene; /* our scene */ |
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extern OBJECT nsceneobjs; /* number of objects in our scene */ |
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|
| 100 |
< |
extern unsigned long raynum; /* next ray ID */ |
| 101 |
< |
extern unsigned long nrays; /* total rays traced so far */ |
| 100 |
> |
extern RNUMBER raynum; /* next ray ID */ |
| 101 |
> |
extern RNUMBER nrays; /* total rays traced so far */ |
| 102 |
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|
| 103 |
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extern OBJREC Lamb; /* a Lambertian surface */ |
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extern OBJREC Aftplane; /* aft clipping object */ |
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|
| 106 |
< |
extern void (*trace)(); /* global trace reporting callback */ |
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> |
extern void (*trace)(RAY*); /* global trace reporting callback */ |
| 107 |
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|
| 108 |
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extern int dimlist[]; /* dimension list for distribution */ |
| 109 |
|
extern int ndims; /* number of dimensions so far */ |
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< |
extern int samplendx; /* index for this sample */ |
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> |
extern unsigned long |
| 111 |
> |
samplendx; /* index for this sample */ |
| 112 |
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|
| 83 |
– |
extern int ray_savesiz; /* size of parameter save buffer */ |
| 84 |
– |
|
| 113 |
|
extern int do_irrad; /* compute irradiance? */ |
| 114 |
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|
| 115 |
+ |
extern int rand_samp; /* pure Monte Carlo sampling? */ |
| 116 |
+ |
|
| 117 |
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extern double dstrsrc; /* square source distribution */ |
| 118 |
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extern double shadthresh; /* shadow threshold */ |
| 119 |
|
extern double shadcert; /* shadow testing certainty */ |
| 149 |
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extern int ray_pnprocs; /* number of child processes */ |
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|
extern int ray_pnidle; /* number of idle processes */ |
| 151 |
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|
| 152 |
< |
#define AMBLLEN 128 /* max. ambient list length */ |
| 153 |
< |
#define AMBWORD 8 /* average word length */ |
| 152 |
> |
#ifndef AMBLLEN |
| 153 |
> |
#define AMBLLEN 512 /* max. ambient list length */ |
| 154 |
> |
#endif |
| 155 |
> |
#define AMBWORD 12 /* average word length */ |
| 156 |
|
|
| 157 |
|
typedef struct { /* rendering parameter holder */ |
| 158 |
|
int do_irrad; |
| 159 |
+ |
int rand_samp; |
| 160 |
|
double dstrsrc; |
| 161 |
|
double shadthresh; |
| 162 |
|
double shadcert; |
| 184 |
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int ambincl; |
| 185 |
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short amblndx[AMBLLEN+1]; |
| 186 |
|
char amblval[AMBLLEN*AMBWORD]; |
| 187 |
+ |
|
| 188 |
+ |
/* PMAP: photon mapping parameters */ |
| 189 |
+ |
PhotonMapParams pmapParams [NUM_PMAP_TYPES]; |
| 190 |
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} RAYPARAMS; |
| 191 |
|
|
| 192 |
|
#define rpambmod(p,i) ( (i)>=AMBLLEN||(p)->amblndx[i]<0 ? \ |
| 196 |
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extern void headclean(void); |
| 197 |
|
extern void openheader(void); |
| 198 |
|
extern void dupheader(void); |
| 199 |
+ |
/* defined in persist.c */ |
| 200 |
+ |
extern void persistfile(char *pfn); |
| 201 |
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extern void pfdetach(void); |
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|
extern void pfclean(void); |
| 203 |
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extern void pflock(int lf); |
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/* defined in preload.c */ |
| 210 |
|
extern int load_os(OBJREC *op); |
| 211 |
|
extern void preload_objs(void); |
| 212 |
+ |
extern char *shm_boundary; |
| 213 |
+ |
extern void cow_memshare(void); |
| 214 |
+ |
extern void cow_doneshare(void); |
| 215 |
|
/* defined in raycalls.c */ |
| 216 |
|
extern void ray_init(char *otnm); |
| 217 |
|
extern void ray_trace(RAY *r); |
| 219 |
|
extern void ray_save(RAYPARAMS *rp); |
| 220 |
|
extern void ray_restore(RAYPARAMS *rp); |
| 221 |
|
extern void ray_defaults(RAYPARAMS *rp); |
| 222 |
+ |
extern void reset_random(void); |
| 223 |
|
/* defined in raypcalls.c */ |
| 224 |
|
extern void ray_pinit(char *otnm, int nproc); |
| 225 |
< |
extern void ray_psend(RAY *r); |
| 225 |
> |
extern int ray_psend(RAY *r); |
| 226 |
|
extern int ray_pqueue(RAY *r); |
| 227 |
|
extern int ray_presult(RAY *r, int poll); |
| 228 |
|
extern void ray_pdone(int freall); |
| 229 |
|
extern void ray_popen(int nadd); |
| 230 |
|
extern void ray_pclose(int nsub); |
| 231 |
+ |
/* defined in ray_fifo.c */ |
| 232 |
+ |
extern int (*ray_fifo_out)(RAY *r); |
| 233 |
+ |
extern int ray_fifo_in(RAY *r); |
| 234 |
+ |
extern int ray_fifo_flush(void); |
| 235 |
|
/* defined in raytrace.c */ |
| 236 |
< |
extern int rayorigin(RAY *r, RAY *ro, int rt, double rw); |
| 236 |
> |
extern int rayorigin(RAY *r, int rt, const RAY *ro, const SCOLOR rc); |
| 237 |
|
extern void rayclear(RAY *r); |
| 238 |
|
extern void raytrace(RAY *r); |
| 239 |
+ |
extern int rayreject(OBJREC *o, RAY *r, double t, double rod); |
| 240 |
|
extern void rayhit(OBJECT *oset, RAY *r); |
| 241 |
|
extern void raycont(RAY *r); |
| 242 |
|
extern void raytrans(RAY *r); |
| 243 |
+ |
extern int raytirrad(OBJREC *m, RAY *r); |
| 244 |
|
extern int rayshade(RAY *r, int mod); |
| 245 |
|
extern void rayparticipate(RAY *r); |
| 246 |
|
extern void raytexture(RAY *r, OBJECT mod); |
| 247 |
|
extern int raymixture(RAY *r, OBJECT fore, OBJECT back, double coef); |
| 248 |
< |
extern double raydist(RAY *r, int flags); |
| 248 |
> |
extern void raycontrib(SCOLOR rc, const RAY *r, int flags); |
| 249 |
> |
extern double raydist(const RAY *r, int flags); |
| 250 |
|
extern double raynormal(FVECT norm, RAY *r); |
| 251 |
|
extern void newrayxf(RAY *r); |
| 252 |
|
extern void flipsurface(RAY *r); |
| 253 |
|
extern int localhit(RAY *r, CUBE *scene); |
| 254 |
|
/* defined in renderopts.c */ |
| 255 |
+ |
extern int feature_status(int ac, char *av[]); |
| 256 |
|
extern int getrenderopt(int ac, char *av[]); |
| 257 |
|
extern void print_rdefaults(void); |
| 258 |
|
/* defined in srcdraw.c */ |
| 259 |
< |
extern void drawsources(COLOR *pic[], float *zbf[], |
| 259 |
> |
extern void init_drawsources(int rad); |
| 260 |
> |
extern void drawsources(COLORV *pic[], RGBPRIMP primp, float *zbf[], |
| 261 |
|
int x0, int xsiz, int y0, int ysiz); |
| 262 |
+ |
/* defined in rt/initotypes.c */ |
| 263 |
+ |
extern void initotypes(void); |
| 264 |
|
/* module main procedures */ |
| 265 |
< |
extern void rtrace(char *fname); |
| 265 |
> |
extern void rtrace(char *fname, int nproc); |
| 266 |
> |
extern const char *formstr(int f); |
| 267 |
|
extern void rview(void); |
| 268 |
|
extern void rpict(int seq, char *pout, char *zout, char *prvr); |
| 269 |
|
|
| 270 |
+ |
#ifdef __FAST_MATH__ |
| 271 |
+ |
#define checknorm(vn) (void)normalize(vn) |
| 272 |
+ |
#else |
| 273 |
+ |
#define checknorm(vn) |
| 274 |
+ |
#endif |
| 275 |
|
|
| 276 |
|
#ifdef __cplusplus |
| 277 |
|
} |
