1 |
greg |
1.1 |
#ifndef lint |
2 |
greg |
1.8 |
static const char RCSid[] = "$Id: rtcontrib.c,v 1.7 2005/05/31 03:48:59 greg Exp $"; |
3 |
greg |
1.1 |
#endif |
4 |
|
|
/* |
5 |
|
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* Gather rtrace output to compute contributions from particular sources |
6 |
|
|
*/ |
7 |
|
|
|
8 |
greg |
1.4 |
#include "standard.h" |
9 |
greg |
1.1 |
#include <ctype.h> |
10 |
greg |
1.7 |
#include <signal.h> |
11 |
greg |
1.1 |
#include "platform.h" |
12 |
|
|
#include "rtprocess.h" |
13 |
|
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#include "selcall.h" |
14 |
|
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#include "color.h" |
15 |
|
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#include "resolu.h" |
16 |
|
|
#include "lookup.h" |
17 |
|
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#include "calcomp.h" |
18 |
|
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|
19 |
|
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#define MAXMODLIST 1024 /* maximum modifiers we'll track */ |
20 |
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|
|
21 |
|
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int treebufsiz = BUFSIZ; /* current tree buffer size */ |
22 |
|
|
|
23 |
greg |
1.2 |
typedef double DCOLOR[3]; /* double-precision color */ |
24 |
|
|
|
25 |
greg |
1.1 |
/* |
26 |
|
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* The modcont structure is used to accumulate ray contributions |
27 |
|
|
* for a particular modifier, which may be subdivided into bins |
28 |
|
|
* if binv is non-NULL. If outspec contains a %s in it, this will |
29 |
|
|
* be replaced with the modifier name. If outspec contains a %d in it, |
30 |
|
|
* this will be used to create one output file per bin, otherwise all bins |
31 |
|
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* will be written to the same file, in order. If the global outfmt |
32 |
|
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* is 'c', then a 4-byte RGBE pixel will be output for each bin value |
33 |
|
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* and the file will conform to a RADIANCE image if xres & yres are set. |
34 |
|
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*/ |
35 |
|
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typedef struct { |
36 |
|
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const char *outspec; /* output file specification */ |
37 |
|
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const char *modname; /* modifier name */ |
38 |
|
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EPNODE *binv; /* bin value expression */ |
39 |
|
|
int nbins; /* number of accumulation bins */ |
40 |
greg |
1.2 |
DCOLOR cbin[1]; /* contribution bins (extends struct) */ |
41 |
greg |
1.1 |
} MODCONT; /* modifier contribution */ |
42 |
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|
43 |
|
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static void mcfree(void *p) { epfree((*(MODCONT *)p).binv); free(p); } |
44 |
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|
45 |
|
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LUTAB modconttab = LU_SINIT(NULL,mcfree); /* modifier lookup table */ |
46 |
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|
47 |
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/* close output stream */ |
48 |
|
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static void closefile(void *p) { fclose((FILE *)p); } |
49 |
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|
50 |
|
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LUTAB ofiletab = LU_SINIT(free,closefile); /* output file table */ |
51 |
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|
52 |
|
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FILE *getofile(const char *ospec, const char *mname, int bn); |
53 |
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|
54 |
|
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/* |
55 |
|
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* The rcont structure is used to manage i/o with a particular |
56 |
|
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* rtrace child process. Input is passed unchanged from stdin, |
57 |
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* and output is processed in input order and accumulated according |
58 |
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* to the corresponding modifier and bin number. |
59 |
|
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*/ |
60 |
|
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struct rtproc { |
61 |
|
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struct rtproc *next; /* next in list of processes */ |
62 |
|
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SUBPROC pd; /* rtrace pipe descriptors */ |
63 |
greg |
1.2 |
unsigned long raynum; /* ray number for this tree */ |
64 |
|
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int bsiz; /* ray tree buffer length */ |
65 |
|
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char *buf; /* ray tree buffer */ |
66 |
|
|
int nbr; /* number of bytes from rtrace */ |
67 |
greg |
1.5 |
}; /* rtrace process buffer */ |
68 |
greg |
1.1 |
|
69 |
|
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/* rtrace command and defaults */ |
70 |
greg |
1.6 |
char *rtargv[256] = { "rtrace", "-dj", ".5", "-dr", "3", |
71 |
greg |
1.8 |
"-ab", "1", "-ad", "128", "-lr", "-10", }; |
72 |
|
|
int rtargc = 11; |
73 |
greg |
1.1 |
/* overriding rtrace options */ |
74 |
greg |
1.6 |
char *myrtopts[] = { "-o~~TmWdp", "-h-", "-x", "1", "-y", "0", |
75 |
|
|
"-dt", "0", "-as", "0", "-aa", "0", NULL }; |
76 |
greg |
1.1 |
|
77 |
|
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struct rtproc rt0; /* head of rtrace process list */ |
78 |
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|
79 |
|
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struct rtproc *rt_unproc = NULL; /* unprocessed ray trees */ |
80 |
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|
81 |
|
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char persistfn[] = "pfXXXXXX"; /* persist file name */ |
82 |
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|
83 |
|
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int gargc; /* global argc */ |
84 |
|
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char **gargv; /* global argv */ |
85 |
|
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#define progname gargv[0] |
86 |
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|
87 |
|
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char *octree; /* global octree argument */ |
88 |
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|
89 |
|
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int inpfmt = 'a'; /* input format */ |
90 |
|
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int outfmt = 'a'; /* output format */ |
91 |
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|
92 |
|
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int header = 1; /* output header? */ |
93 |
|
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int xres = 0; /* horiz. output resolution */ |
94 |
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int yres = 0; /* vert. output resolution */ |
95 |
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|
96 |
|
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long raysleft; /* number of rays left to trace */ |
97 |
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long waitflush; /* how long until next flush */ |
98 |
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|
99 |
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unsigned long lastray = 0; /* last ray number sent */ |
100 |
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unsigned long lastdone = 0; /* last ray processed */ |
101 |
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102 |
greg |
1.2 |
int using_stdout = 0; /* are we using stdout? */ |
103 |
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104 |
greg |
1.1 |
const char *modname[MAXMODLIST]; /* ordered modifier name list */ |
105 |
|
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int nmods = 0; /* number of modifiers */ |
106 |
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107 |
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MODCONT *addmodifier(char *modn, char *outf, char *binv); |
108 |
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|
109 |
greg |
1.5 |
void init(int np); |
110 |
greg |
1.1 |
int done_rprocs(struct rtproc *rtp); |
111 |
greg |
1.5 |
void trace_contribs(FILE *fp); |
112 |
greg |
1.1 |
struct rtproc *wait_rproc(void); |
113 |
|
|
struct rtproc *get_rproc(void); |
114 |
greg |
1.3 |
void queue_raytree(struct rtproc *rtp); |
115 |
|
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void process_queue(void); |
116 |
greg |
1.1 |
|
117 |
greg |
1.2 |
void putcontrib(const DCOLOR cnt, FILE *fout); |
118 |
|
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void add_contrib(const char *modn); |
119 |
greg |
1.1 |
void done_contrib(void); |
120 |
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|
121 |
|
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/* set input/output format */ |
122 |
|
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static void |
123 |
|
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setformat(const char *fmt) |
124 |
|
|
{ |
125 |
|
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switch (fmt[0]) { |
126 |
|
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case 'a': |
127 |
|
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case 'f': |
128 |
|
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case 'd': |
129 |
|
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inpfmt = fmt[0]; |
130 |
|
|
break; |
131 |
|
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default: |
132 |
|
|
goto fmterr; |
133 |
|
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} |
134 |
|
|
switch (fmt[1]) { |
135 |
|
|
case '\0': |
136 |
|
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outfmt = inpfmt; |
137 |
|
|
return; |
138 |
|
|
case 'a': |
139 |
|
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case 'f': |
140 |
|
|
case 'd': |
141 |
|
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case 'c': |
142 |
|
|
outfmt = fmt[1]; |
143 |
|
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break; |
144 |
|
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default: |
145 |
|
|
goto fmterr; |
146 |
|
|
} |
147 |
|
|
if (!fmt[2]) |
148 |
|
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return; |
149 |
|
|
fmterr: |
150 |
|
|
sprintf(errmsg, "Illegal i/o format: -f%s", fmt); |
151 |
|
|
error(USER, errmsg); |
152 |
|
|
} |
153 |
|
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|
154 |
|
|
/* gather rays from rtrace and output contributions */ |
155 |
|
|
int |
156 |
|
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main(int argc, char *argv[]) |
157 |
|
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{ |
158 |
|
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int nprocs = 1; |
159 |
|
|
char *curout = NULL; |
160 |
|
|
char *binval = NULL; |
161 |
greg |
1.5 |
char fmt[8]; |
162 |
greg |
1.2 |
int i, j; |
163 |
|
|
/* global program name */ |
164 |
greg |
1.1 |
gargv = argv; |
165 |
greg |
1.2 |
/* set up calcomp mode */ |
166 |
greg |
1.1 |
esupport |= E_VARIABLE|E_FUNCTION|E_INCHAN|E_RCONST|E_REDEFW; |
167 |
|
|
esupport &= ~(E_OUTCHAN); |
168 |
|
|
/* get our options */ |
169 |
greg |
1.2 |
for (i = 1; i < argc-1; i++) { |
170 |
|
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/* expand arguments */ |
171 |
|
|
while ((j = expandarg(&argc, &argv, i)) > 0) |
172 |
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; |
173 |
|
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if (j < 0) { |
174 |
|
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fprintf(stderr, "%s: cannot expand '%s'", |
175 |
|
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argv[0], argv[i]); |
176 |
|
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exit(1); |
177 |
|
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} |
178 |
|
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if (argv[i][0] == '-') |
179 |
|
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switch (argv[i][1]) { |
180 |
|
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case 'n': /* number of processes */ |
181 |
|
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if (argv[i][2] || i >= argc-1) break; |
182 |
|
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nprocs = atoi(argv[++i]); |
183 |
|
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if (nprocs <= 0) |
184 |
|
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error(USER, "illegal number of processes"); |
185 |
|
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continue; |
186 |
|
|
case 'h': /* output header? */ |
187 |
|
|
switch (argv[i][2]) { |
188 |
|
|
case '\0': |
189 |
|
|
header = !header; |
190 |
|
|
continue; |
191 |
greg |
1.3 |
case '+': case '1': |
192 |
|
|
case 'T': case 't': |
193 |
|
|
case 'Y': case 'y': |
194 |
greg |
1.2 |
header = 1; |
195 |
|
|
continue; |
196 |
greg |
1.3 |
case '-': case '0': |
197 |
|
|
case 'F': case 'f': |
198 |
|
|
case 'N': case 'n': |
199 |
greg |
1.2 |
header = 0; |
200 |
|
|
continue; |
201 |
|
|
} |
202 |
|
|
break; |
203 |
|
|
case 'f': /* file or i/o format */ |
204 |
|
|
if (!argv[i][2]) { |
205 |
|
|
if (i >= argc-1) break; |
206 |
|
|
fcompile(argv[++i]); |
207 |
|
|
continue; |
208 |
|
|
} |
209 |
|
|
setformat(argv[i]+2); |
210 |
|
|
continue; |
211 |
|
|
case 'e': /* expression */ |
212 |
|
|
if (argv[i][2] || i >= argc-1) break; |
213 |
|
|
scompile(argv[++i], NULL, 0); |
214 |
greg |
1.1 |
continue; |
215 |
greg |
1.2 |
case 'o': /* output file spec. */ |
216 |
|
|
if (argv[i][2] || i >= argc-1) break; |
217 |
|
|
curout = argv[++i]; |
218 |
greg |
1.1 |
continue; |
219 |
greg |
1.2 |
case 'x': /* horiz. output resolution */ |
220 |
|
|
if (argv[i][2] || i >= argc-1) break; |
221 |
|
|
xres = atoi(argv[++i]); |
222 |
greg |
1.1 |
continue; |
223 |
greg |
1.2 |
case 'y': /* vert. output resolution */ |
224 |
|
|
if (argv[i][2] || i >= argc-1) break; |
225 |
|
|
yres = atoi(argv[++i]); |
226 |
|
|
continue; |
227 |
|
|
case 'b': /* bin expression */ |
228 |
|
|
if (argv[i][2] || i >= argc-1) break; |
229 |
|
|
binval = argv[++i]; |
230 |
|
|
continue; |
231 |
|
|
case 'm': /* modifier name */ |
232 |
|
|
if (argv[i][2] || i >= argc-1) break; |
233 |
|
|
rtargv[rtargc++] = "-ti"; |
234 |
|
|
rtargv[rtargc++] = argv[++i]; |
235 |
|
|
addmodifier(argv[i], curout, binval); |
236 |
greg |
1.1 |
continue; |
237 |
|
|
} |
238 |
greg |
1.2 |
rtargv[rtargc++] = argv[i]; /* assume rtrace option */ |
239 |
greg |
1.1 |
} |
240 |
greg |
1.2 |
/* set global argument list */ |
241 |
|
|
gargc = argc; gargv = argv; |
242 |
greg |
1.1 |
/* add "mandatory" rtrace settings */ |
243 |
greg |
1.2 |
for (j = 0; myrtopts[j] != NULL; j++) |
244 |
|
|
rtargv[rtargc++] = myrtopts[j]; |
245 |
|
|
/* just asking for defaults? */ |
246 |
|
|
if (!strcmp(argv[i], "-defaults")) { |
247 |
greg |
1.1 |
char sxres[16], syres[16]; |
248 |
|
|
char *rtpath; |
249 |
greg |
1.2 |
printf("-n %-2d\t\t\t\t# number of processes\n", nprocs); |
250 |
greg |
1.1 |
fflush(stdout); /* report OUR options */ |
251 |
|
|
rtargv[rtargc++] = header ? "-h+" : "-h-"; |
252 |
|
|
sprintf(fmt, "-f%c%c", inpfmt, outfmt); |
253 |
|
|
rtargv[rtargc++] = fmt; |
254 |
|
|
rtargv[rtargc++] = "-x"; |
255 |
|
|
sprintf(sxres, "%d", xres); |
256 |
|
|
rtargv[rtargc++] = sxres; |
257 |
|
|
rtargv[rtargc++] = "-y"; |
258 |
|
|
sprintf(syres, "%d", yres); |
259 |
|
|
rtargv[rtargc++] = syres; |
260 |
greg |
1.2 |
rtargv[rtargc++] = "-oTW"; |
261 |
greg |
1.1 |
rtargv[rtargc++] = "-defaults"; |
262 |
|
|
rtargv[rtargc] = NULL; |
263 |
|
|
rtpath = getpath(rtargv[0], getenv("PATH"), X_OK); |
264 |
|
|
if (rtpath == NULL) { |
265 |
|
|
eputs(rtargv[0]); |
266 |
|
|
eputs(": command not found\n"); |
267 |
|
|
exit(1); |
268 |
|
|
} |
269 |
|
|
execv(rtpath, rtargv); |
270 |
|
|
perror(rtpath); /* execv() should not return */ |
271 |
|
|
exit(1); |
272 |
greg |
1.5 |
} |
273 |
|
|
if (nprocs > 1) { /* add persist file if parallel */ |
274 |
greg |
1.2 |
rtargv[rtargc++] = "-PP"; |
275 |
|
|
rtargv[rtargc++] = mktemp(persistfn); |
276 |
|
|
} |
277 |
greg |
1.1 |
/* add format string */ |
278 |
|
|
sprintf(fmt, "-f%cf", inpfmt); |
279 |
|
|
rtargv[rtargc++] = fmt; |
280 |
|
|
/* octree argument is last */ |
281 |
greg |
1.2 |
if (i <= 0 || i != argc-1 || argv[i][0] == '-') |
282 |
|
|
error(USER, "missing octree argument"); |
283 |
|
|
rtargv[rtargc++] = octree = argv[i]; |
284 |
greg |
1.1 |
rtargv[rtargc] = NULL; |
285 |
greg |
1.2 |
/* start rtrace & compute contributions */ |
286 |
greg |
1.1 |
init(nprocs); |
287 |
greg |
1.5 |
trace_contribs(stdin); |
288 |
greg |
1.1 |
quit(0); |
289 |
|
|
} |
290 |
|
|
|
291 |
|
|
/* kill persistent rtrace process */ |
292 |
|
|
static void |
293 |
|
|
killpersist(void) |
294 |
|
|
{ |
295 |
|
|
FILE *fp = fopen(persistfn, "r"); |
296 |
|
|
int pid; |
297 |
|
|
|
298 |
|
|
if (fp == NULL) |
299 |
|
|
return; |
300 |
|
|
if (fscanf(fp, "%*s %d", &pid) != 1 || kill(pid, SIGALRM) < 0) |
301 |
|
|
unlink(persistfn); |
302 |
|
|
fclose(fp); |
303 |
|
|
} |
304 |
|
|
|
305 |
|
|
/* close rtrace processes and clean up */ |
306 |
|
|
int |
307 |
|
|
done_rprocs(struct rtproc *rtp) |
308 |
|
|
{ |
309 |
|
|
int st0, st1 = 0; |
310 |
|
|
|
311 |
|
|
if (rtp->next != NULL) { /* close last opened first! */ |
312 |
|
|
st1 = done_rprocs(rtp->next); |
313 |
|
|
free((void *)rtp->next); |
314 |
|
|
rtp->next = NULL; |
315 |
|
|
} |
316 |
|
|
st0 = close_process(&rtp->pd); |
317 |
|
|
if (st0 < 0) |
318 |
|
|
error(WARNING, "unknown return status from rtrace process"); |
319 |
|
|
else if (st0 > 0) |
320 |
|
|
return(st0); |
321 |
|
|
return(st1); |
322 |
|
|
} |
323 |
|
|
|
324 |
|
|
/* exit with status */ |
325 |
|
|
void |
326 |
|
|
quit(int status) |
327 |
|
|
{ |
328 |
|
|
int rtstat; |
329 |
|
|
|
330 |
|
|
if (rt0.next != NULL) /* terminate persistent rtrace */ |
331 |
|
|
killpersist(); |
332 |
|
|
/* clean up rtrace process(es) */ |
333 |
|
|
rtstat = done_rprocs(&rt0); |
334 |
|
|
if (status == 0) |
335 |
|
|
status = rtstat; |
336 |
|
|
exit(status); /* flushes all output streams */ |
337 |
|
|
} |
338 |
|
|
|
339 |
greg |
1.5 |
/* start rtrace processes and initialize */ |
340 |
greg |
1.1 |
void |
341 |
|
|
init(int np) |
342 |
|
|
{ |
343 |
|
|
struct rtproc *rtp; |
344 |
|
|
int i; |
345 |
|
|
int maxbytes; |
346 |
greg |
1.2 |
/* make sure we have something to do */ |
347 |
|
|
if (!nmods) |
348 |
|
|
error(USER, "No modifiers specified"); |
349 |
greg |
1.1 |
/* assign ray variables */ |
350 |
|
|
scompile("Dx=$1;Dy=$2;Dz=$3;", NULL, 0); |
351 |
|
|
scompile("Px=$4;Py=$5;Pz=$6;", NULL, 0); |
352 |
|
|
/* set up signal handling */ |
353 |
greg |
1.3 |
signal(SIGINT, quit); |
354 |
|
|
#ifdef SIGHUP |
355 |
|
|
signal(SIGHUP, quit); |
356 |
|
|
#endif |
357 |
|
|
#ifdef SIGTERM |
358 |
|
|
signal(SIGTERM, quit); |
359 |
|
|
#endif |
360 |
|
|
#ifdef SIGPIPE |
361 |
greg |
1.1 |
signal(SIGPIPE, quit); |
362 |
|
|
#endif |
363 |
|
|
rtp = &rt0; /* start rtrace process(es) */ |
364 |
|
|
for (i = 0; i++ < np; ) { |
365 |
|
|
errno = 0; |
366 |
|
|
maxbytes = open_process(&rtp->pd, rtargv); |
367 |
|
|
if (maxbytes == 0) { |
368 |
|
|
eputs(rtargv[0]); |
369 |
|
|
eputs(": command not found\n"); |
370 |
|
|
exit(1); |
371 |
|
|
} |
372 |
|
|
if (maxbytes < 0) |
373 |
|
|
error(SYSTEM, "cannot start rtrace process"); |
374 |
|
|
if (maxbytes > treebufsiz) |
375 |
|
|
treebufsiz = maxbytes; |
376 |
greg |
1.2 |
rtp->raynum = 0; |
377 |
greg |
1.1 |
rtp->bsiz = 0; |
378 |
|
|
rtp->buf = NULL; |
379 |
greg |
1.2 |
rtp->nbr = 0; |
380 |
greg |
1.1 |
if (i == np) /* last process? */ |
381 |
|
|
break; |
382 |
|
|
if (i == 1) |
383 |
|
|
sleep(2); /* wait for persist file */ |
384 |
|
|
rtp->next = (struct rtproc *)malloc(sizeof(struct rtproc)); |
385 |
|
|
if (rtp->next == NULL) |
386 |
|
|
error(SYSTEM, "out of memory in init"); |
387 |
|
|
rtp = rtp->next; |
388 |
|
|
} |
389 |
|
|
rtp->next = NULL; /* terminate list */ |
390 |
|
|
if (yres > 0) { |
391 |
|
|
if (xres > 0) |
392 |
|
|
raysleft = xres*yres; |
393 |
|
|
else |
394 |
|
|
raysleft = yres; |
395 |
|
|
} else |
396 |
|
|
raysleft = 0; |
397 |
|
|
waitflush = xres; |
398 |
|
|
} |
399 |
|
|
|
400 |
|
|
/* add modifier to our list to track */ |
401 |
|
|
MODCONT * |
402 |
|
|
addmodifier(char *modn, char *outf, char *binv) |
403 |
|
|
{ |
404 |
|
|
LUENT *lep = lu_find(&modconttab, modn); |
405 |
|
|
MODCONT *mp; |
406 |
|
|
|
407 |
|
|
if (lep->data != NULL) { |
408 |
|
|
sprintf(errmsg, "duplicate modifier '%s'", modn); |
409 |
|
|
error(USER, errmsg); |
410 |
|
|
} |
411 |
|
|
if (nmods >= MAXMODLIST) |
412 |
|
|
error(USER, "too many modifiers"); |
413 |
|
|
modname[nmods++] = modn; /* XXX assumes static string */ |
414 |
|
|
lep->key = modn; /* XXX assumes static string */ |
415 |
|
|
mp = (MODCONT *)malloc(sizeof(MODCONT)); |
416 |
|
|
if (mp == NULL) |
417 |
|
|
error(SYSTEM, "out of memory in addmodifier"); |
418 |
|
|
lep->data = (char *)mp; |
419 |
|
|
mp->outspec = outf; /* XXX assumes static string */ |
420 |
|
|
mp->modname = modn; /* XXX assumes static string */ |
421 |
|
|
if (binv != NULL) |
422 |
|
|
mp->binv = eparse(binv); |
423 |
|
|
else |
424 |
|
|
mp->binv = eparse("0"); |
425 |
|
|
mp->nbins = 1; |
426 |
|
|
setcolor(mp->cbin[0], 0., 0., 0.); |
427 |
|
|
return mp; |
428 |
|
|
} |
429 |
|
|
|
430 |
|
|
/* put string to stderr */ |
431 |
|
|
void |
432 |
|
|
eputs(char *s) |
433 |
|
|
{ |
434 |
|
|
static int midline = 0; |
435 |
|
|
|
436 |
|
|
if (!*s) return; |
437 |
|
|
if (!midline) { |
438 |
|
|
fputs(progname, stderr); |
439 |
|
|
fputs(": ", stderr); |
440 |
|
|
} |
441 |
|
|
fputs(s, stderr); |
442 |
|
|
midline = s[strlen(s)-1] != '\n'; |
443 |
|
|
} |
444 |
|
|
|
445 |
|
|
/* write header to the given output stream */ |
446 |
|
|
void |
447 |
|
|
printheader(FILE *fout) |
448 |
|
|
{ |
449 |
|
|
extern char VersionID[]; |
450 |
|
|
FILE *fin = fopen(octree, "r"); |
451 |
|
|
|
452 |
|
|
if (fin == NULL) |
453 |
|
|
quit(1); |
454 |
greg |
1.2 |
checkheader(fin, "ignore", fout); /* copy octree header */ |
455 |
greg |
1.1 |
fclose(fin); |
456 |
|
|
printargs(gargc-1, gargv, fout); /* add our command */ |
457 |
|
|
fprintf(fout, "SOFTWARE= %s\n", VersionID); |
458 |
|
|
fputnow(fout); |
459 |
|
|
switch (outfmt) { /* add output format */ |
460 |
|
|
case 'a': |
461 |
|
|
fputformat("ascii", fout); |
462 |
|
|
break; |
463 |
|
|
case 'f': |
464 |
|
|
fputformat("float", fout); |
465 |
|
|
break; |
466 |
|
|
case 'd': |
467 |
|
|
fputformat("double", fout); |
468 |
|
|
break; |
469 |
|
|
case 'c': |
470 |
|
|
fputformat(COLRFMT, fout); |
471 |
|
|
break; |
472 |
|
|
} |
473 |
|
|
fputc('\n', fout); |
474 |
|
|
if (xres > 0) { |
475 |
|
|
if (yres > 0) /* resolution string */ |
476 |
|
|
fprtresolu(xres, yres, fout); |
477 |
|
|
fflush(fout); |
478 |
|
|
} |
479 |
|
|
} |
480 |
|
|
|
481 |
|
|
/* Get output file pointer (open and write header if new) */ |
482 |
|
|
FILE * |
483 |
|
|
getofile(const char *ospec, const char *mname, int bn) |
484 |
|
|
{ |
485 |
|
|
const char *mnp = NULL; |
486 |
|
|
const char *bnp = NULL; |
487 |
|
|
const char *cp; |
488 |
|
|
char ofname[1024]; |
489 |
|
|
LUENT *lep; |
490 |
|
|
|
491 |
|
|
if (ospec == NULL) { /* use stdout? */ |
492 |
|
|
if (!using_stdout && header) |
493 |
|
|
printheader(stdout); |
494 |
|
|
using_stdout = 1; |
495 |
|
|
return stdout; |
496 |
|
|
} |
497 |
|
|
for (cp = ospec; *cp; cp++) /* check format position(s) */ |
498 |
|
|
if (*cp == '%') { |
499 |
|
|
do |
500 |
|
|
++cp; |
501 |
|
|
while (isdigit(*cp)); |
502 |
|
|
switch (*cp) { |
503 |
|
|
case '%': |
504 |
|
|
break; |
505 |
|
|
case 's': |
506 |
|
|
if (mnp != NULL) |
507 |
|
|
goto badspec; |
508 |
|
|
mnp = cp; |
509 |
|
|
break; |
510 |
|
|
case 'd': |
511 |
|
|
if (bnp != NULL) |
512 |
|
|
goto badspec; |
513 |
|
|
bnp = cp; |
514 |
|
|
break; |
515 |
|
|
default: |
516 |
|
|
goto badspec; |
517 |
|
|
} |
518 |
|
|
} |
519 |
|
|
if (mnp != NULL) { /* create file name */ |
520 |
|
|
if (bnp != NULL) { |
521 |
|
|
if (bnp > mnp) |
522 |
|
|
sprintf(ofname, ospec, mname, bn); |
523 |
|
|
else |
524 |
|
|
sprintf(ofname, ospec, bn, mname); |
525 |
|
|
} else |
526 |
|
|
sprintf(ofname, ospec, mname); |
527 |
|
|
} else if (bnp != NULL) |
528 |
|
|
sprintf(ofname, ospec, bn); |
529 |
|
|
else |
530 |
|
|
strcpy(ofname, ospec); |
531 |
|
|
lep = lu_find(&ofiletab, ofname); /* look it up */ |
532 |
|
|
if (lep->key == NULL) /* new entry */ |
533 |
|
|
lep->key = strcpy((char *)malloc(strlen(ofname)+1), ofname); |
534 |
|
|
if (lep->data == NULL) { /* open output file */ |
535 |
greg |
1.2 |
FILE *fp = fopen(ofname, "w"); |
536 |
|
|
int i; |
537 |
|
|
if (fp == NULL) { |
538 |
greg |
1.1 |
sprintf(errmsg, "cannot open '%s' for writing", ofname); |
539 |
|
|
error(SYSTEM, errmsg); |
540 |
|
|
} |
541 |
|
|
if (header) |
542 |
greg |
1.2 |
printheader(fp); |
543 |
|
|
/* play catch-up */ |
544 |
|
|
for (i = 0; i < lastdone; i++) { |
545 |
|
|
static const DCOLOR nocontrib = BLKCOLOR; |
546 |
|
|
putcontrib(nocontrib, fp); |
547 |
|
|
if (outfmt == 'a') |
548 |
|
|
putc('\n', fp); |
549 |
|
|
} |
550 |
|
|
if (xres > 0) |
551 |
|
|
fflush(fp); |
552 |
|
|
lep->data = (char *)fp; |
553 |
greg |
1.1 |
} |
554 |
|
|
return (FILE *)lep->data; /* return open file pointer */ |
555 |
|
|
badspec: |
556 |
|
|
sprintf(errmsg, "bad output format '%s'", ospec); |
557 |
|
|
error(USER, errmsg); |
558 |
|
|
return NULL; /* pro forma return */ |
559 |
|
|
} |
560 |
|
|
|
561 |
|
|
/* read input ray into buffer */ |
562 |
|
|
int |
563 |
|
|
getinp(char *buf, FILE *fp) |
564 |
|
|
{ |
565 |
greg |
1.4 |
char *cp; |
566 |
|
|
int i; |
567 |
|
|
|
568 |
greg |
1.1 |
switch (inpfmt) { |
569 |
|
|
case 'a': |
570 |
greg |
1.4 |
cp = buf; /* make sure we get 6 floats */ |
571 |
|
|
for (i = 0; i < 6; i++) { |
572 |
|
|
if (fgetword(cp, buf+127-cp, fp) == NULL) |
573 |
|
|
return 0; |
574 |
|
|
if ((cp = fskip(cp)) == NULL || *cp) |
575 |
|
|
return 0; |
576 |
|
|
*cp++ = ' '; |
577 |
|
|
} |
578 |
|
|
getc(fp); /* get/put eol */ |
579 |
|
|
*cp-- = '\0'; *cp = '\n'; |
580 |
greg |
1.1 |
return strlen(buf); |
581 |
|
|
case 'f': |
582 |
|
|
if (fread(buf, sizeof(float), 6, fp) < 6) |
583 |
|
|
return 0; |
584 |
|
|
return sizeof(float)*6; |
585 |
|
|
case 'd': |
586 |
|
|
if (fread(buf, sizeof(double), 6, fp) < 6) |
587 |
|
|
return 0; |
588 |
|
|
return sizeof(double)*6; |
589 |
|
|
} |
590 |
|
|
error(INTERNAL, "botched input format"); |
591 |
|
|
return 0; /* pro forma return */ |
592 |
|
|
} |
593 |
|
|
|
594 |
greg |
1.2 |
static float rparams[9]; /* traced ray parameters */ |
595 |
greg |
1.1 |
|
596 |
|
|
/* return channel (ray) value */ |
597 |
|
|
double |
598 |
|
|
chanvalue(int n) |
599 |
|
|
{ |
600 |
|
|
if (--n < 0 || n >= 6) |
601 |
|
|
error(USER, "illegal channel number ($N)"); |
602 |
greg |
1.2 |
return rparams[n+3]; |
603 |
greg |
1.1 |
} |
604 |
|
|
|
605 |
greg |
1.2 |
/* add current ray contribution to the appropriate modifier bin */ |
606 |
greg |
1.1 |
void |
607 |
greg |
1.2 |
add_contrib(const char *modn) |
608 |
greg |
1.1 |
{ |
609 |
|
|
LUENT *le = lu_find(&modconttab, modn); |
610 |
|
|
MODCONT *mp = (MODCONT *)le->data; |
611 |
|
|
int bn; |
612 |
|
|
|
613 |
|
|
if (mp == NULL) { |
614 |
|
|
sprintf(errmsg, "unexpected modifier '%s' from rtrace", modn); |
615 |
|
|
error(USER, errmsg); |
616 |
|
|
} |
617 |
greg |
1.2 |
eclock++; /* get bin number */ |
618 |
greg |
1.1 |
bn = (int)(evalue(mp->binv) + .5); |
619 |
|
|
if (bn <= 0) |
620 |
|
|
bn = 0; |
621 |
|
|
else if (bn > mp->nbins) { /* new bin */ |
622 |
|
|
mp = (MODCONT *)realloc(mp, sizeof(MODCONT) + |
623 |
greg |
1.2 |
bn*sizeof(DCOLOR)); |
624 |
greg |
1.1 |
if (mp == NULL) |
625 |
|
|
error(SYSTEM, "out of memory in add_contrib"); |
626 |
greg |
1.2 |
memset(mp->cbin+mp->nbins, 0, sizeof(DCOLOR)*(bn+1-mp->nbins)); |
627 |
greg |
1.1 |
mp->nbins = bn+1; |
628 |
|
|
le->data = (char *)mp; |
629 |
|
|
} |
630 |
greg |
1.2 |
addcolor(mp->cbin[bn], rparams); |
631 |
greg |
1.1 |
} |
632 |
|
|
|
633 |
|
|
/* output newline to ASCII file and/or flush as requested */ |
634 |
|
|
static int |
635 |
|
|
puteol(const LUENT *e, void *p) |
636 |
|
|
{ |
637 |
|
|
FILE *fp = (FILE *)e->data; |
638 |
|
|
|
639 |
|
|
if (outfmt == 'a') |
640 |
|
|
putc('\n', fp); |
641 |
|
|
if (!waitflush) |
642 |
|
|
fflush(fp); |
643 |
|
|
if (ferror(fp)) { |
644 |
|
|
sprintf(errmsg, "write error on file '%s'", e->key); |
645 |
|
|
error(SYSTEM, errmsg); |
646 |
|
|
} |
647 |
|
|
return 0; |
648 |
|
|
} |
649 |
|
|
|
650 |
greg |
1.2 |
/* put out ray contribution to file */ |
651 |
|
|
void |
652 |
|
|
putcontrib(const DCOLOR cnt, FILE *fout) |
653 |
|
|
{ |
654 |
|
|
float fv[3]; |
655 |
|
|
COLR cv; |
656 |
|
|
|
657 |
|
|
switch (outfmt) { |
658 |
|
|
case 'a': |
659 |
|
|
fprintf(fout, "%.6e\t%.6e\t%.6e\t", cnt[0], cnt[1], cnt[2]); |
660 |
|
|
break; |
661 |
|
|
case 'f': |
662 |
|
|
fv[0] = cnt[0]; |
663 |
|
|
fv[1] = cnt[1]; |
664 |
|
|
fv[2] = cnt[2]; |
665 |
|
|
fwrite(fv, sizeof(float), 3, fout); |
666 |
|
|
break; |
667 |
|
|
case 'd': |
668 |
|
|
fwrite(cnt, sizeof(double), 3, fout); |
669 |
|
|
break; |
670 |
|
|
case 'c': |
671 |
|
|
setcolr(cv, cnt[0], cnt[1], cnt[2]); |
672 |
|
|
fwrite(cv, sizeof(cv), 1, fout); |
673 |
|
|
break; |
674 |
|
|
default: |
675 |
|
|
error(INTERNAL, "botched output format"); |
676 |
|
|
} |
677 |
|
|
} |
678 |
|
|
|
679 |
greg |
1.1 |
/* output ray tallies and clear for next primary */ |
680 |
|
|
void |
681 |
|
|
done_contrib(void) |
682 |
|
|
{ |
683 |
|
|
int i, j; |
684 |
|
|
MODCONT *mp; |
685 |
|
|
/* output modifiers in order */ |
686 |
|
|
for (i = 0; i < nmods; i++) { |
687 |
|
|
mp = (MODCONT *)lu_find(&modconttab,modname[i])->data; |
688 |
greg |
1.2 |
for (j = 0; j < mp->nbins; j++) |
689 |
|
|
putcontrib(mp->cbin[j], |
690 |
|
|
getofile(mp->outspec, mp->modname, j)); |
691 |
greg |
1.1 |
/* clear for next ray tree */ |
692 |
greg |
1.2 |
memset(mp->cbin, 0, sizeof(DCOLOR)*mp->nbins); |
693 |
greg |
1.1 |
} |
694 |
|
|
--waitflush; /* terminate records */ |
695 |
|
|
lu_doall(&ofiletab, puteol, NULL); |
696 |
greg |
1.2 |
if (using_stdout & (outfmt == 'a')) |
697 |
|
|
putc('\n', stdout); |
698 |
|
|
if (!waitflush) { |
699 |
greg |
1.1 |
waitflush = xres; |
700 |
greg |
1.2 |
if (using_stdout) |
701 |
|
|
fflush(stdout); |
702 |
|
|
} |
703 |
greg |
1.1 |
} |
704 |
|
|
|
705 |
greg |
1.3 |
/* queue completed ray tree produced by rtrace process */ |
706 |
|
|
void |
707 |
|
|
queue_raytree(struct rtproc *rtp) |
708 |
|
|
{ |
709 |
|
|
struct rtproc *rtu, *rtl = NULL; |
710 |
|
|
/* insert following ray order */ |
711 |
|
|
for (rtu = rt_unproc; rtu != NULL; rtu = (rtl=rtu)->next) |
712 |
|
|
if (rtp->raynum < rtu->raynum) |
713 |
|
|
break; |
714 |
|
|
rtu = (struct rtproc *)malloc(sizeof(struct rtproc)); |
715 |
|
|
if (rtu == NULL) |
716 |
|
|
error(SYSTEM, "out of memory in queue_raytree"); |
717 |
|
|
*rtu = *rtp; |
718 |
|
|
if (rtl == NULL) { |
719 |
|
|
rtu->next = rt_unproc; |
720 |
|
|
rt_unproc = rtu; |
721 |
|
|
} else { |
722 |
|
|
rtu->next = rtl->next; |
723 |
|
|
rtl->next = rtu; |
724 |
|
|
} |
725 |
|
|
rtp->raynum = 0; /* clear path for next ray tree */ |
726 |
|
|
rtp->bsiz = 0; |
727 |
|
|
rtp->buf = NULL; |
728 |
|
|
rtp->nbr = 0; |
729 |
|
|
} |
730 |
|
|
|
731 |
|
|
/* process completed ray trees from our queue */ |
732 |
greg |
1.1 |
void |
733 |
greg |
1.3 |
process_queue(void) |
734 |
greg |
1.1 |
{ |
735 |
greg |
1.3 |
char modname[128]; |
736 |
|
|
/* ray-ordered queue */ |
737 |
|
|
while (rt_unproc != NULL && rt_unproc->raynum == lastdone+1) { |
738 |
|
|
struct rtproc *rtp = rt_unproc; |
739 |
greg |
1.2 |
int n = rtp->nbr; |
740 |
greg |
1.1 |
const char *cp = rtp->buf; |
741 |
|
|
while (n > 0) { /* process rays */ |
742 |
greg |
1.2 |
register char *mnp = modname; |
743 |
greg |
1.1 |
/* skip leading tabs */ |
744 |
|
|
while (n > 0 && *cp == '\t') { |
745 |
|
|
cp++; n--; |
746 |
|
|
} |
747 |
greg |
1.2 |
if (!n || !(isalpha(*cp) | (*cp == '_'))) |
748 |
|
|
error(USER, "bad modifier name from rtrace"); |
749 |
|
|
/* get modifier name */ |
750 |
greg |
1.1 |
while (n > 0 && *cp != '\t') { |
751 |
|
|
*mnp++ = *cp++; n--; |
752 |
|
|
} |
753 |
|
|
*mnp = '\0'; |
754 |
greg |
1.2 |
cp++; n--; /* eat following tab */ |
755 |
greg |
1.1 |
if (n < (int)(sizeof(float)*9)) |
756 |
|
|
error(USER, "incomplete ray value from rtrace"); |
757 |
|
|
/* add ray contribution */ |
758 |
greg |
1.2 |
memcpy(rparams, cp, sizeof(float)*9); |
759 |
greg |
1.1 |
cp += sizeof(float)*9; n -= sizeof(float)*9; |
760 |
greg |
1.2 |
add_contrib(modname); |
761 |
greg |
1.1 |
} |
762 |
|
|
done_contrib(); /* sum up contributions & output */ |
763 |
|
|
lastdone = rtp->raynum; |
764 |
greg |
1.3 |
free(rtp->buf); /* free up buffer space */ |
765 |
|
|
rt_unproc = rtp->next; |
766 |
|
|
free(rtp); /* done with this ray tree */ |
767 |
greg |
1.1 |
} |
768 |
|
|
} |
769 |
|
|
|
770 |
|
|
/* wait for rtrace process to finish with ray tree */ |
771 |
|
|
struct rtproc * |
772 |
|
|
wait_rproc(void) |
773 |
|
|
{ |
774 |
|
|
struct rtproc *rtfree = NULL; |
775 |
|
|
fd_set readset, errset; |
776 |
|
|
int nr; |
777 |
|
|
struct rtproc *rt; |
778 |
|
|
int n; |
779 |
|
|
|
780 |
|
|
do { |
781 |
|
|
nr = 0; /* prepare select call */ |
782 |
|
|
FD_ZERO(&readset); FD_ZERO(&errset); n = 0; |
783 |
|
|
for (rt = &rt0; rt != NULL; rt = rt->next) { |
784 |
|
|
if (rt->raynum) { |
785 |
|
|
FD_SET(rt->pd.r, &readset); |
786 |
|
|
++nr; |
787 |
|
|
} |
788 |
|
|
FD_SET(rt->pd.r, &errset); |
789 |
|
|
if (rt->pd.r >= n) |
790 |
|
|
n = rt->pd.r + 1; |
791 |
|
|
} |
792 |
|
|
if (!nr) /* no rays pending */ |
793 |
|
|
break; |
794 |
|
|
if (nr > 1) { /* call select for multiple proc's */ |
795 |
|
|
errno = 0; |
796 |
|
|
if (select(n, &readset, NULL, &errset, NULL) < 0) |
797 |
|
|
error(SYSTEM, "select call error in wait_rproc()"); |
798 |
|
|
} else |
799 |
|
|
FD_ZERO(&errset); |
800 |
|
|
nr = 0; |
801 |
|
|
for (rt = &rt0; rt != NULL; rt = rt->next) { |
802 |
|
|
if (!FD_ISSET(rt->pd.r, &readset) && |
803 |
|
|
!FD_ISSET(rt->pd.r, &errset)) |
804 |
|
|
continue; |
805 |
|
|
if (rt->buf == NULL) { |
806 |
|
|
rt->bsiz = treebufsiz; |
807 |
|
|
rt->buf = (char *)malloc(treebufsiz); |
808 |
greg |
1.2 |
} else if (rt->nbr + BUFSIZ > rt->bsiz) { |
809 |
greg |
1.1 |
if (rt->bsiz + BUFSIZ <= treebufsiz) |
810 |
|
|
rt->bsiz = treebufsiz; |
811 |
|
|
else |
812 |
|
|
rt->bsiz = treebufsiz += BUFSIZ; |
813 |
|
|
rt->buf = (char *)realloc(rt->buf, rt->bsiz); |
814 |
|
|
} |
815 |
|
|
if (rt->buf == NULL) |
816 |
|
|
error(SYSTEM, "out of memory in wait_rproc"); |
817 |
greg |
1.2 |
nr = read(rt->pd.r, rt->buf+rt->nbr, rt->bsiz-rt->nbr); |
818 |
|
|
if (nr <= 0) |
819 |
greg |
1.1 |
error(USER, "rtrace process died"); |
820 |
greg |
1.2 |
rt->nbr += nr; /* advance & check */ |
821 |
|
|
if (rt->nbr >= 4 && !memcmp(rt->buf+rt->nbr-4, |
822 |
|
|
"~\t~\t", 4)) { |
823 |
|
|
rt->nbr -= 4; /* elide terminator */ |
824 |
greg |
1.3 |
queue_raytree(rt); |
825 |
greg |
1.1 |
rtfree = rt; /* ready for next ray */ |
826 |
|
|
} |
827 |
|
|
} |
828 |
|
|
} while ((rtfree == NULL) & (nr > 0)); /* repeat until ready or out */ |
829 |
|
|
return rtfree; |
830 |
|
|
} |
831 |
|
|
|
832 |
|
|
/* return next available rtrace process */ |
833 |
|
|
struct rtproc * |
834 |
|
|
get_rproc(void) |
835 |
|
|
{ |
836 |
|
|
struct rtproc *rtp; |
837 |
|
|
/* check for idle rtrace */ |
838 |
|
|
for (rtp = &rt0; rtp != NULL; rtp = rtp->next) |
839 |
|
|
if (!rtp->raynum) |
840 |
|
|
return rtp; |
841 |
|
|
return wait_rproc(); /* need to wait for one */ |
842 |
|
|
} |
843 |
|
|
|
844 |
|
|
/* trace ray contributions (main loop) */ |
845 |
|
|
void |
846 |
greg |
1.5 |
trace_contribs(FILE *fin) |
847 |
greg |
1.1 |
{ |
848 |
|
|
char inpbuf[128]; |
849 |
|
|
int iblen; |
850 |
|
|
struct rtproc *rtp; |
851 |
|
|
/* loop over input */ |
852 |
|
|
while ((iblen = getinp(inpbuf, fin)) > 0) { |
853 |
|
|
if (lastray+1 < lastray) { /* counter rollover? */ |
854 |
|
|
while (wait_rproc() != NULL) |
855 |
greg |
1.3 |
process_queue(); |
856 |
greg |
1.1 |
lastdone = lastray = 0; |
857 |
|
|
} |
858 |
|
|
rtp = get_rproc(); /* get avail. rtrace process */ |
859 |
greg |
1.3 |
rtp->raynum = ++lastray; /* assign ray to it */ |
860 |
greg |
1.1 |
writebuf(rtp->pd.w, inpbuf, iblen); |
861 |
|
|
if (!--raysleft) |
862 |
greg |
1.3 |
break; |
863 |
|
|
process_queue(); /* catch up with results */ |
864 |
greg |
1.1 |
} |
865 |
|
|
while (wait_rproc() != NULL) /* process outstanding rays */ |
866 |
greg |
1.3 |
process_queue(); |
867 |
greg |
1.2 |
if (raysleft > 0) |
868 |
|
|
error(USER, "unexpected EOF on input"); |
869 |
greg |
1.1 |
} |