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root/radiance/ray/src/rt/rcontrib.h
Revision: 2.20
Committed: Sat Jun 7 05:09:46 2025 UTC (92 minutes, 13 seconds ago) by greg
Content type: text/plain
Branch: MAIN
CVS Tags: HEAD
Changes since 2.19: +1 -2 lines
Log Message:
refactor: Put some declarations into "paths.h" and included in "platform.h"

File Contents

# User Rev Content
1 greg 2.20 /* RCSid $Id: rcontrib.h,v 2.19 2023/11/15 18:02:53 greg Exp $ */
2 greg 2.1
3     /*
4     * Header file for rcontrib modules
5     */
6    
7 greg 2.7 #include "platform.h"
8 greg 2.8 #include "rtprocess.h"
9 greg 2.1 #include "ray.h"
10     #include "func.h"
11     #include "lookup.h"
12    
13     extern int gargc; /* global argc */
14     extern char **gargv; /* global argv */
15     extern char *octname; /* global octree name */
16    
17     extern int nproc; /* number of processes requested */
18     extern int nchild; /* number of children (-1 in child) */
19    
20     extern int inpfmt; /* input format */
21     extern int outfmt; /* output format */
22    
23     extern int header; /* output header? */
24     extern int force_open; /* truncate existing output? */
25     extern int recover; /* recover previous output? */
26     extern int accumulate; /* input rays per output record */
27     extern int contrib; /* computing contributions? */
28    
29     extern int xres; /* horizontal (scan) size */
30     extern int yres; /* vertical resolution */
31    
32     extern int using_stdout; /* are we using stdout? */
33    
34     extern int imm_irrad; /* compute immediate irradiance? */
35     extern int lim_dist; /* limit distance? */
36    
37     extern int account; /* current accumulation count */
38     extern RNUMBER raysleft; /* number of rays left to trace */
39     extern long waitflush; /* how long until next flush */
40    
41 greg 2.3 extern RNUMBER lastray; /* last ray number sent */
42     extern RNUMBER lastdone; /* last ray processed */
43 greg 2.1
44 greg 2.16 extern int report_intvl; /* reporting interval (seconds) */
45    
46 greg 2.19 typedef double DCOLORV; /* double-precision color type */
47 greg 2.1
48     /*
49     * The MODCONT structure is used to accumulate ray contributions
50     * for a particular modifier, which may be subdivided into bins
51     * if binv evaluates > 0. If outspec contains a %s in it, this will
52     * be replaced with the modifier name. If outspec contains a %d in it,
53     * this will be used to create one output file per bin, otherwise all bins
54     * will be written to the same file, in order. If the global outfmt
55 greg 2.19 * is 'c', then a common-exponent pixel will be output for each bin value
56     * and the file will conform to a RADIANCE picture if NCSAMP==3 and
57     * xres and yres are set.
58 greg 2.1 */
59     typedef struct {
60     const char *outspec; /* output file specification */
61     const char *modname; /* modifier name */
62 greg 2.10 const char *params; /* parameter list */
63 greg 2.1 EPNODE *binv; /* bin value expression */
64 greg 2.15 int bin0; /* starting bin offset */
65 greg 2.1 int nbins; /* number of contribution bins */
66 greg 2.19 DCOLORV cbin[1]; /* contribution bins (extends struct) */
67 greg 2.1 } MODCONT; /* modifier contribution */
68    
69 greg 2.19 #define DCOLORSIZ (sizeof(DCOLORV)*NCSAMP)
70     #define mcsize(nb) (sizeof(MODCONT)-sizeof(DCOLORV)+(nb)*DCOLORSIZ)
71     #define mcbin(mp,bi) ((mp)->cbin + (bi)*NCSAMP)
72    
73 greg 2.1 extern LUTAB modconttab; /* modifier contribution table */
74    
75     /*
76     * The STREAMOUT structure holds an open FILE pointer and a count of
77     * the number of RGB triplets per record, or 0 if unknown.
78     */
79     typedef struct {
80     FILE *ofp; /* output file pointer */
81     int outpipe; /* output is to a pipe */
82     int reclen; /* triplets/record */
83     int xr, yr; /* output resolution for picture */
84     } STREAMOUT;
85    
86     extern LUTAB ofiletab; /* output stream table */
87    
88     #ifndef MAXPROCESS
89 schorsch 2.13 #if defined(_WIN32) || defined(_WIN64)
90 greg 2.1 #define MAXPROCESS 1
91     #else
92     #define MAXPROCESS 128
93     #endif
94     #endif
95    
96 greg 2.17 extern char **modname; /* ordered modifier name list */
97 greg 2.1 extern int nmods; /* number of modifiers */
98 greg 2.17 extern int modasiz; /* allocated modifier array size */
99 greg 2.1
100     extern char RCCONTEXT[]; /* special evaluation context */
101    
102     extern void process_rcontrib(void); /* trace ray contributions */
103    
104     extern STREAMOUT * getostream(const char *ospec, const char *mname,
105     int bn, int noopen);
106    
107     extern void mod_output(MODCONT *mp);
108     extern void end_record(void);
109    
110     extern MODCONT *addmodifier(char *modn, char *outf,
111 greg 2.10 char *prms, char *binv, int bincnt);
112 greg 2.1 extern void addmodfile(char *fname, char *outf,
113 greg 2.10 char *prms, char *binv, int bincnt);
114 greg 2.1
115     extern void reload_output(void);
116     extern void recover_output(void);
117    
118     extern int getvec(FVECT vec);
119    
120     extern int in_rchild(void);
121 greg 2.6 extern void end_children(int immed);
122 greg 2.1
123 greg 2.2 extern void put_zero_record(int ndx);
124 greg 2.1
125 greg 2.16 extern int morays(void); /* reached end of input? */
126    
127 greg 2.1 extern void parental_loop(void); /* controlling process */
128    
129 greg 2.9 extern void feeder_loop(void); /* feeder process */
130    
131 greg 2.1 extern void rcontrib(void); /* main calculation loop */