[ViewVC] Diff of: radiance/ray/src/util/rtcontrib.c

Comparing ray/src/util/rtcontrib.c (file contents):
Revision 1.1 by greg, Wed May 25 04:45:22 2005 UTC vs.
Revision 1.39 by greg, Fri Oct 21 01:12:59 2005 UTC

#	Line 5 \| Line 5 \| static const char RCSid[] = "$Id$";
5		* Gather rtrace output to compute contributions from particular sources
6		*/
7
8	+	#include "standard.h"
9		#include <ctype.h>
10	<	#include "rtio.h"
10	<	#include "rterror.h"
10	>	#include <signal.h>
11		#include "platform.h"
12		#include "rtprocess.h"
13		#include "selcall.h"
#	Line 16 \| Line 16 \| static const char RCSid[] = "$Id$";
16		#include "lookup.h"
17		#include "calcomp.h"
18
19	<	#ifdef getc_unlocked /* avoid horrendous overhead of flockfile */
20	<	#undef getc
21	<	#undef putc
22	<	#define getc getc_unlocked
23	<	#define putc putc_unlocked
24	<	#define ferror ferror_unlocked
19	>	#ifndef MAXMODLIST
20	>	#define MAXMODLIST 1024 /* maximum modifiers we'll track */
21		#endif
22
27	–	#define MAXMODLIST 1024 /* maximum modifiers we'll track */
28	–
23		int treebufsiz = BUFSIZ; /* current tree buffer size */
24
25	+	typedef double DCOLOR[3]; /* double-precision color */
26	+
27		/*
28	<	* The modcont structure is used to accumulate ray contributions
28	>	* The MODCONT structure is used to accumulate ray contributions
29		* for a particular modifier, which may be subdivided into bins
30	<	* if binv is non-NULL. If outspec contains a %s in it, this will
30	>	* if binv is non-zero. If outspec contains a %s in it, this will
31		* be replaced with the modifier name. If outspec contains a %d in it,
32		* this will be used to create one output file per bin, otherwise all bins
33		* will be written to the same file, in order. If the global outfmt
#	Line 43 \| Line 39 \| typedef struct {
39		const char modname; / modifier name */
40		EPNODE binv; / bin value expression */
41		int nbins; /* number of accumulation bins */
42	<	COLOR cbin[1]; /* contribution bins (extends struct) */
42	>	DCOLOR cbin[1]; /* contribution bins (extends struct) */
43		} MODCONT; /* modifier contribution */
44
45		static void mcfree(void p) { epfree(((MODCONT *)p).binv); free(p); }
46
47		LUTAB modconttab = LU_SINIT(NULL,mcfree); /* modifier lookup table */
48
49	<	/* close output stream */
50	<	static void closefile(void p) { fclose((FILE )p); }
49	>	#define CNT_UNKNOWN 0 /* unknown record length */
50	>	#define CNT_PIPE (-1) /* output to a pipe */
51	>	/*
52	>	* The STREAMOUT structure holds an open FILE pointer and a count of
53	>	* the number of RGB triplets per record, or CNT_UNKNOWN (0) if
54	>	* unknown or CNT_PIPE (-1) if writing to a command.
55	>	*/
56	>	typedef struct {
57	>	FILE ofp; / output file pointer */
58	>	int reclen; /* triplets/record */
59	>	} STREAMOUT;
60
61	<	LUTAB ofiletab = LU_SINIT(free,closefile); /* output file table */
61	>	/* close output stream and free record */
62	>	static void
63	>	closestream(void *p)
64	>	{
65	>	STREAMOUT sop = (STREAMOUT )p;
66	>	int status;
67	>	if (sop->reclen == CNT_PIPE)
68	>	status = pclose(sop->ofp);
69	>	else
70	>	status = fclose(sop->ofp);
71	>	if (status)
72	>	error(SYSTEM, "error closing output stream");
73	>	free(p);
74	>	}
75
76	<	FILE getofile(const char ospec, const char *mname, int bn);
76	>	LUTAB ofiletab = LU_SINIT(free,closestream); /* output file table */
77
78	+	#define OF_MODIFIER 01
79	+	#define OF_BIN 02
80	+
81	+	STREAMOUT getostream(const char ospec, const char *mname, int bn, int noopen);
82	+	int ofname(char oname, const char ospec, const char *mname, int bn);
83	+	void printheader(FILE fout, const char info);
84	+	void printresolu(FILE *fout);
85	+
86		/*
87		* The rcont structure is used to manage i/o with a particular
88		* rtrace child process. Input is passed unchanged from stdin,
#	Line 66 \| Line 92 \| *FILE getofile(const char ospec, const char mname, i**
92		struct rtproc {
93		struct rtproc next; / next in list of processes */
94		SUBPROC pd; /* rtrace pipe descriptors */
95	<	unsigned long raynum; /* ray number for this buffer */
96	<	int bsiz; /* rtrace buffer length */
97	<	char buf; / rtrace i/o buffer */
98	<	char bpos; / current buffer position */
99	<	}; /* rtrace process */
95	>	unsigned long raynum; /* ray number for this tree */
96	>	int bsiz; /* ray tree buffer length */
97	>	char buf; / ray tree buffer */
98	>	int nbr; /* number of bytes from rtrace */
99	>	}; /* rtrace process buffer */
100
101		/* rtrace command and defaults */
102	<	char *rtargv[256] = { "rtrace", "-dj", ".5", "-dr", "3",
103	<	"-ab", "1", "-ad", "512", };
102	>	char rtargv[256+2MAXMODLIST] = { "rtrace",
103	>	"-dj", ".5", "-dr", "3",
104	>	"-ab", "1", "-ad", "128", };
105		int rtargc = 9;
106		/* overriding rtrace options */
107	<	char *myrtopts[] = { "-o-TmWdp", "-h-",
108	<	"-x", "1", "-y", "0", NULL };
107	>	char *myrtopts[] = { "-o~~TmWdp", "-h-", "-x", "1", "-y", "0",
108	>	"-dt", "0", "-as", "0", "-aa", "0", NULL };
109
110		struct rtproc rt0; /* head of rtrace process list */
111
112		struct rtproc rt_unproc = NULL; / unprocessed ray trees */
113
114		char persistfn[] = "pfXXXXXX"; /* persist file name */
88	–	char fmt[8]; /* rtrace i/o format */
115
116		int gargc; /* global argc */
117		char *gargv; / global argv */
#	Line 97 \| Line 123 \| *int inpfmt = 'a'; / input format /*
123		int outfmt = 'a'; /* output format */
124
125		int header = 1; /* output header? */
126	+	int force_open = 0; /* truncate existing output? */
127		int xres = 0; /* horiz. output resolution */
128		int yres = 0; /* vert. output resolution */
129
130	<	long raysleft; /* number of rays left to trace */
130	>	unsigned long raysleft; /* number of rays left to trace */
131		long waitflush; /* how long until next flush */
132
133		unsigned long lastray = 0; /* last ray number sent */
134		unsigned long lastdone = 0; /* last ray processed */
135
136	+	int using_stdout = 0; /* are we using stdout? */
137	+
138		const char modname[MAXMODLIST]; / ordered modifier name list */
139		int nmods = 0; /* number of modifiers */
140
141	<	MODCONT addmodifier(char modn, char outf, char binv);
141	>	#define queue_length() (lastray - lastdone)
142
143	<	int done_rprocs(struct rtproc *rtp);
143	>	MODCONT growmodifier(MODCONT mp, int nb);
144	>	MODCONT addmodifier(char modn, char outf, char binv, int bincnt);
145	>	void addmodfile(char fname, char outf, char *binv, int bincnt);
146	>
147		void init(int np);
148	<	void tracecontribs(FILE *fp);
148	>	int done_rprocs(struct rtproc *rtp);
149	>	void recover_output(FILE *fin);
150	>	void trace_contribs(FILE *fin);
151		struct rtproc *wait_rproc(void);
152		struct rtproc *get_rproc(void);
153	<	void process_rays(struct rtproc *rtp);
153	>	void queue_raytree(struct rtproc *rtp);
154	>	void process_queue(void);
155
156	<	void add_contrib(const char *modn, float rayval[7]);
156	>	void put_contrib(const DCOLOR cnt, FILE *fout);
157	>	void add_contrib(const char *modn);
158		void done_contrib(void);
159
160	+	/* return number of open rtrace processes */
161	+	static int
162	+	nrtprocs(void)
163	+	{
164	+	int nrtp = 0;
165	+	struct rtproc *rtp;
166	+
167	+	for (rtp = &rt0; rtp != NULL; rtp = rtp->next)
168	+	nrtp += rtp->pd.running;
169	+	return(nrtp);
170	+	}
171	+
172		/* set input/output format */
173		static void
174		setformat(const char *fmt)
175		{
176		switch (fmt[0]) {
129	–	case 'a':
177		case 'f':
178		case 'd':
179	+	SET_FILE_BINARY(stdin);
180	+	/* fall through */
181	+	case 'a':
182		inpfmt = fmt[0];
183		break;
184		default:
#	Line 159 \| Line 209 \| int
209		main(int argc, char *argv[])
210		{
211		int nprocs = 1;
212	+	int recover = 0;
213		char *curout = NULL;
214		char *binval = NULL;
215	<	int i;
216	<	/* set global argument list */
217	<	gargc = argc;
215	>	int bincnt = 0;
216	>	char fmt[8];
217	>	int i, j;
218	>	/* need at least one argument */
219	>	if (argc < 2) {
220	>	fprintf(stderr,
221	>	"Usage: %s [-n nprocs][-r][-e expr][-f source][-o ospec][-b binv] {-m mod \| -M file} [rtrace options] octree\n",
222	>	argv[0]);
223	>	exit(1);
224	>	}
225	>	/* global program name */
226		gargv = argv;
227	<	/* set up calcomp functions */
227	>	/* initialize calcomp routines */
228		esupport \|= E_VARIABLE\|E_FUNCTION\|E_INCHAN\|E_RCONST\|E_REDEFW;
229		esupport &= ~(E_OUTCHAN);
230	+	varset("PI", ':', PI);
231		/* get our options */
232	<	for (i = 1; i < argc && argv[i][0] == '-'; i++) {
233	<	switch (argv[i][1]) {
234	<	case 'n': /* number of processes */
235	<	if (argv[i][2] \|\| i >= argc-1) break;
236	<	nprocs = atoi(argv[++i]);
237	<	if (nprocs <= 0)
238	<	error(USER, "illegal number of processes");
239	<	continue;
240	<	case 'h': /* output header? */
241	<	switch (argv[i][2]) {
242	<	case '\0':
243	<	header = !header;
232	>	for (i = 1; i < argc-1; i++) {
233	>	/* expand arguments */
234	>	while ((j = expandarg(&argc, &argv, i)) > 0)
235	>	;
236	>	if (j < 0) {
237	>	fprintf(stderr, "%s: cannot expand '%s'",
238	>	argv[0], argv[i]);
239	>	exit(1);
240	>	}
241	>	if (argv[i][0] == '-')
242	>	switch (argv[i][1]) {
243	>	case 'r': /* recover output */
244	>	if (argv[i][2]) break;
245	>	recover++;
246		continue;
247	<	case '+': case '1': case 'T': case 't':
248	<	header = 1;
247	>	case 'n': /* number of processes */
248	>	if (argv[i][2] \|\| i >= argc-2) break;
249	>	nprocs = atoi(argv[++i]);
250	>	if (nprocs <= 0)
251	>	error(USER, "illegal number of processes");
252		continue;
253	<	case '-': case '0': case 'F': case 'f':
254	<	header = 0;
253	>	case 'h': /* output header? */
254	>	switch (argv[i][2]) {
255	>	case '\0':
256	>	header = !header;
257	>	continue;
258	>	case '+': case '1':
259	>	case 'T': case 't':
260	>	case 'Y': case 'y':
261	>	header = 1;
262	>	continue;
263	>	case '-': case '0':
264	>	case 'F': case 'f':
265	>	case 'N': case 'n':
266	>	header = 0;
267	>	continue;
268	>	}
269	>	break;
270	>	case 'f': /* file or force or format */
271	>	if (!argv[i][2]) {
272	>	char *fpath;
273	>	if (i >= argc-2) break;
274	>	fpath = getpath(argv[++i],
275	>	getrlibpath(), R_OK);
276	>	if (fpath == NULL) {
277	>	sprintf(errmsg,
278	>	"cannot find file '%s'",
279	>	argv[i]);
280	>	error(USER, errmsg);
281	>	}
282	>	fcompile(fpath);
283	>	continue;
284	>	}
285	>	if (argv[i][2] == 'o') {
286	>	force_open++;
287	>	continue;
288	>	}
289	>	setformat(argv[i]+2);
290		continue;
291	<	}
292	<	break;
293	<	case 'f': /* file or i/o format */
194	<	if (!argv[i][2]) {
195	<	if (i >= argc-1) break;
196	<	fcompile(argv[++i]);
291	>	case 'e': /* expression */
292	>	if (argv[i][2] \|\| i >= argc-2) break;
293	>	scompile(argv[++i], NULL, 0);
294		continue;
295	+	case 'o': /* output file spec. */
296	+	if (argv[i][2] \|\| i >= argc-2) break;
297	+	curout = argv[++i];
298	+	continue;
299	+	case 'x': /* horiz. output resolution */
300	+	if (argv[i][2] \|\| i >= argc-2) break;
301	+	xres = atoi(argv[++i]);
302	+	continue;
303	+	case 'y': /* vert. output resolution */
304	+	if (argv[i][2] \|\| i >= argc-2) break;
305	+	yres = atoi(argv[++i]);
306	+	continue;
307	+	case 'b': /* bin expression/count */
308	+	if (i >= argc-2) break;
309	+	if (argv[i][2] == 'n') {
310	+	bincnt = atoi(argv[++i]);
311	+	continue;
312	+	}
313	+	if (argv[i][2]) break;
314	+	binval = argv[++i];
315	+	continue;
316	+	case 'm': /* modifier name */
317	+	if (argv[i][2] \|\| i >= argc-2) break;
318	+	rtargv[rtargc++] = "-ti";
319	+	rtargv[rtargc++] = argv[++i];
320	+	addmodifier(argv[i], curout, binval, bincnt);
321	+	continue;
322	+	case 'M': /* modifier file */
323	+	if (argv[i][2] \|\| i >= argc-2) break;
324	+	rtargv[rtargc++] = "-tI";
325	+	rtargv[rtargc++] = argv[++i];
326	+	addmodfile(argv[i], curout, binval, bincnt);
327	+	continue;
328	+	case 'P': /* persist file */
329	+	error(USER, "persist file is automatic");
330	+	break;
331		}
332	<	setformat(argv[i]+2);
200	<	continue;
201	<	case 'e': /* expression */
202	<	if (argv[i][2] \|\| i >= argc-1) break;
203	<	scompile(argv[++i], NULL, 0);
204	<	continue;
205	<	case 'o': /* output file spec. */
206	<	if (argv[i][2] \|\| i >= argc-1) break;
207	<	curout = argv[++i];
208	<	continue;
209	<	case 'x': /* horiz. output resolution */
210	<	if (argv[i][2] \|\| i >= argc-1) break;
211	<	xres = atoi(argv[++i]);
212	<	continue;
213	<	case 'y': /* vert. output resolution */
214	<	if (argv[i][2] \|\| i >= argc-1) break;
215	<	yres = atoi(argv[++i]);
216	<	continue;
217	<	case 'l': /* limit distance? */
218	<	if (argv[i][2] != 'd') break;
219	<	rtargv[rtargc++] = argv[i];
220	<	continue;
221	<	case 'b': /* bin expression */
222	<	if (argv[i][2] \|\| i >= argc-1) break;
223	<	binval = argv[++i];
224	<	continue;
225	<	case 'm': /* modifier name */
226	<	if (argv[i][2] \|\| i >= argc-1) break;
227	<	rtargv[rtargc++] = "-ti";
228	<	rtargv[rtargc++] = argv[++i];
229	<	addmodifier(argv[i], curout, binval);
230	<	continue;
231	<	}
232	<	break; /* break into rtrace options */
332	>	rtargv[rtargc++] = argv[i]; /* assume rtrace option */
333		}
334	<	for ( ; i < argc; i++) /* transfer rtrace-specific options */
335	<	rtargv[rtargc++] = argv[i];
236	<	if (!strcmp(rtargv[--rtargc], "-defaults"))
237	<	nprocs = 0;
238	<	if (nprocs > 1) { /* add persist file if parallel invocation */
239	<	rtargv[rtargc++] = "-PP";
240	<	rtargv[rtargc++] = mktemp(persistfn);
241	<	}
334	>	/* set global argument list */
335	>	gargc = argc; gargv = argv;
336		/* add "mandatory" rtrace settings */
337	<	for (i = 0; myrtopts[i] != NULL; i++)
338	<	rtargv[rtargc++] = myrtopts[i];
339	<	if (!nprocs) { /* just asking for defaults? */
337	>	for (j = 0; myrtopts[j] != NULL; j++)
338	>	rtargv[rtargc++] = myrtopts[j];
339	>	/* just asking for defaults? */
340	>	if (!strcmp(argv[i], "-defaults")) {
341		char sxres[16], syres[16];
342		char *rtpath;
343	<	printf("-n 1\t\t\t\t# number of processes\n", nprocs);
343	>	printf("-n %-2d\t\t\t\t# number of processes\n", nprocs);
344		fflush(stdout); /* report OUR options */
345		rtargv[rtargc++] = header ? "-h+" : "-h-";
346		sprintf(fmt, "-f%c%c", inpfmt, outfmt);
#	Line 256 \| Line 351 \| *main(int argc, char argv[])**
351		rtargv[rtargc++] = "-y";
352		sprintf(syres, "%d", yres);
353		rtargv[rtargc++] = syres;
354	<	rtargv[rtargc++] = "-oW";
354	>	rtargv[rtargc++] = "-oTW";
355		rtargv[rtargc++] = "-defaults";
356		rtargv[rtargc] = NULL;
357		rtpath = getpath(rtargv[0], getenv("PATH"), X_OK);
#	Line 269 \| Line 364 \| *main(int argc, char argv[])**
364		perror(rtpath); /* execv() should not return */
365		exit(1);
366		}
367	<	if (!nmods)
368	<	error(USER, "No modifiers specified");
369	<	if (argc < 2 \|\| argv[argc-1][0] == '-')
370	<	error(USER, "missing octree argument");
367	>	if (nprocs > 1) { /* add persist file if parallel */
368	>	rtargv[rtargc++] = "-PP";
369	>	rtargv[rtargc++] = mktemp(persistfn);
370	>	}
371		/* add format string */
372		sprintf(fmt, "-f%cf", inpfmt);
373		rtargv[rtargc++] = fmt;
374		/* octree argument is last */
375	<	rtargv[rtargc++] = octree = argv[argc-1];
375	>	if (i <= 0 \|\| i != argc-1 \|\| argv[i][0] == '-')
376	>	error(USER, "missing octree argument");
377	>	rtargv[rtargc++] = octree = argv[i];
378		rtargv[rtargc] = NULL;
379	<	/* start rtrace & sum contributions */
379	>	/* start rtrace */
380		init(nprocs);
381	<	tracecontribs(stdin);
381	>	if (recover) /* perform recovery if requested */
382	>	recover_output(stdin);
383	>	trace_contribs(stdin); /* compute contributions */
384		quit(0);
385		}
386
387	+	#ifndef SIGALRM
388	+	#define SIGALRM SIGTERM
389	+	#endif
390		/* kill persistent rtrace process */
391		static void
392		killpersist(void)
393		{
394		FILE *fp = fopen(persistfn, "r");
395	<	int pid;
395	>	RT_PID pid;
396
397		if (fp == NULL)
398		return;
#	Line 333 \| Line 435 \| quit(int status)
435		exit(status); /* flushes all output streams */
436		}
437
438	<	/* start rtrace and initialize buffers */
438	>	/* start rtrace processes and initialize */
439		void
440		init(int np)
441		{
442		struct rtproc *rtp;
443		int i;
444		int maxbytes;
445	+	/* make sure we have something to do */
446	+	if (!nmods)
447	+	error(USER, "No modifiers specified");
448		/* assign ray variables */
449		scompile("Dx=$1;Dy=$2;Dz=$3;", NULL, 0);
450		scompile("Px=$4;Py=$5;Pz=$6;", NULL, 0);
451		/* set up signal handling */
452	<	#ifdef SIGPIPE /* not present on Windows */
452	>	signal(SIGINT, quit);
453	>	#ifdef SIGHUP
454	>	signal(SIGHUP, quit);
455	>	#endif
456	>	#ifdef SIGTERM
457	>	signal(SIGTERM, quit);
458	>	#endif
459	>	#ifdef SIGPIPE
460		signal(SIGPIPE, quit);
461		#endif
462		rtp = &rt0; /* start rtrace process(es) */
#	Line 360 \| Line 472 \| init(int np)
472		error(SYSTEM, "cannot start rtrace process");
473		if (maxbytes > treebufsiz)
474		treebufsiz = maxbytes;
475	+	rtp->raynum = 0;
476		rtp->bsiz = 0;
477		rtp->buf = NULL;
478	<	rtp->raynum = 0;
478	>	rtp->nbr = 0;
479		if (i == np) /* last process? */
480		break;
481		if (i == 1)
#	Line 375 \| Line 488 \| init(int np)
488		rtp->next = NULL; /* terminate list */
489		if (yres > 0) {
490		if (xres > 0)
491	<	raysleft = xres*yres;
491	>	raysleft = (unsigned long)xres*yres;
492		else
493		raysleft = yres;
494		} else
#	Line 383 \| Line 496 \| init(int np)
496		waitflush = xres;
497		}
498
499	+	/* grow modifier to accommodate more bins */
500	+	MODCONT *
501	+	growmodifier(MODCONT *mp, int nb)
502	+	{
503	+	if (nb <= mp->nbins)
504	+	return mp;
505	+	mp = (MODCONT )realloc(mp, sizeof(MODCONT) + sizeof(DCOLOR)(nb-1));
506	+	if (mp == NULL)
507	+	error(SYSTEM, "out of memory in growmodifier");
508	+	memset(mp->cbin+mp->nbins, 0, sizeof(DCOLOR)*(nb-mp->nbins));
509	+	mp->nbins = nb;
510	+	return mp;
511	+	}
512	+
513		/* add modifier to our list to track */
514		MODCONT *
515	<	addmodifier(char modn, char outf, char *binv)
515	>	addmodifier(char modn, char outf, char *binv, int bincnt)
516		{
517		LUENT *lep = lu_find(&modconttab, modn);
518		MODCONT *mp;
519	+	int i;
520
521		if (lep->data != NULL) {
522		sprintf(errmsg, "duplicate modifier '%s'", modn);
#	Line 401 \| Line 529 \| *addmodifier(char modn, char outf, char binv)**
529		mp = (MODCONT *)malloc(sizeof(MODCONT));
530		if (mp == NULL)
531		error(SYSTEM, "out of memory in addmodifier");
404	–	lep->data = (char *)mp;
532		mp->outspec = outf; /* XXX assumes static string */
533		mp->modname = modn; /* XXX assumes static string */
534		if (binv != NULL)
#	Line 410 \| Line 537 \| *addmodifier(char modn, char outf, char binv)**
537		mp->binv = eparse("0");
538		mp->nbins = 1;
539		setcolor(mp->cbin[0], 0., 0., 0.);
540	+	if (mp->binv->type == NUM) /* assume one bin if constant */
541	+	bincnt = 1;
542	+	else if (bincnt > 1)
543	+	mp = growmodifier(mp, bincnt);
544	+	lep->data = (char *)mp;
545	+	/* allocate output streams */
546	+	for (i = outf==NULL \|\| outf[0]=='!' ? 0 : bincnt; i--; )
547	+	getostream(mp->outspec, mp->modname, i, 1);
548		return mp;
549		}
550
551	+	/* add modifiers from a file list */
552	+	void
553	+	addmodfile(char fname, char outf, char *binv, int bincnt)
554	+	{
555	+	char *mname[MAXMODLIST];
556	+	int i;
557	+	/* find the file & store strings */
558	+	if (wordfile(mname, getpath(fname, getrlibpath(), R_OK)) < 0) {
559	+	sprintf(errmsg, "cannot find modifier file '%s'", fname);
560	+	error(SYSTEM, errmsg);
561	+	}
562	+	for (i = 0; mname[i]; i++) /* add each one */
563	+	addmodifier(mname[i], outf, binv, bincnt);
564	+	}
565	+
566		/* put string to stderr */
567		void
568		eputs(char *s)
#	Line 428 \| Line 578 \| *eputs(char s)**
578		midline = s[strlen(s)-1] != '\n';
579		}
580
581	+	/* construct output file name and return flags whether modifier/bin present */
582	+	int
583	+	ofname(char oname, const char ospec, const char *mname, int bn)
584	+	{
585	+	const char *mnp = NULL;
586	+	const char *bnp = NULL;
587	+	const char *cp;
588	+
589	+	if (ospec == NULL)
590	+	return -1;
591	+	for (cp = ospec; cp; cp++) / check format position(s) */
592	+	if (*cp == '%') {
593	+	do
594	+	++cp;
595	+	while (isdigit(*cp));
596	+	switch (*cp) {
597	+	case '%':
598	+	break;
599	+	case 's':
600	+	if (mnp != NULL)
601	+	return -1;
602	+	mnp = cp;
603	+	break;
604	+	case 'd':
605	+	if (bnp != NULL)
606	+	return -1;
607	+	bnp = cp;
608	+	break;
609	+	default:
610	+	return -1;
611	+	}
612	+	}
613	+	if (mnp != NULL) { /* create file name */
614	+	if (bnp != NULL) {
615	+	if (bnp > mnp)
616	+	sprintf(oname, ospec, mname, bn);
617	+	else
618	+	sprintf(oname, ospec, bn, mname);
619	+	return OF_MODIFIER\|OF_BIN;
620	+	}
621	+	sprintf(oname, ospec, mname);
622	+	return OF_MODIFIER;
623	+	}
624	+	if (bnp != NULL) {
625	+	sprintf(oname, ospec, bn);
626	+	return OF_BIN;
627	+	}
628	+	strcpy(oname, ospec);
629	+	return 0;
630	+	}
631	+
632		/* write header to the given output stream */
633		void
634	<	printheader(FILE *fout)
634	>	printheader(FILE fout, const char info)
635		{
636		extern char VersionID[];
637		FILE *fin = fopen(octree, "r");
638
639		if (fin == NULL)
640		quit(1);
641	<	getheader(fin, (gethfunc )fputs, fout); / copy octree header */
641	>	checkheader(fin, "ignore", fout); /* copy octree header */
642		fclose(fin);
643		printargs(gargc-1, gargv, fout); /* add our command */
644		fprintf(fout, "SOFTWARE= %s\n", VersionID);
645		fputnow(fout);
646	+	if (info != NULL) /* add extra info if given */
647	+	fputs(info, fout);
648		switch (outfmt) { /* add output format */
649		case 'a':
650		fputformat("ascii", fout);
#	Line 457 \| Line 660 \| *printheader(FILE fout)**
660		break;
661		}
662		fputc('\n', fout);
663	+	}
664	+
665	+	/* write resolution string to given output stream */
666	+	void
667	+	printresolu(FILE *fout)
668	+	{
669		if (xres > 0) {
670		if (yres > 0) /* resolution string */
671		fprtresolu(xres, yres, fout);
#	Line 464 \| Line 673 \| *printheader(FILE fout)**
673		}
674		}
675
676	<	/* Get output file pointer (open and write header if new) */
677	<	FILE *
678	<	getofile(const char ospec, const char mname, int bn)
676	>	/* Get output stream pointer (open and write header if new and noopen==0) */
677	>	STREAMOUT *
678	>	getostream(const char ospec, const char mname, int bn, int noopen)
679		{
680	<	static int using_stdout = 0;
681	<	const char *mnp = NULL;
682	<	const char *bnp = NULL;
683	<	const char *cp;
684	<	char ofname[1024];
476	<	LUENT *lep;
680	>	static STREAMOUT stdos;
681	>	int ofl;
682	>	char oname[1024];
683	>	LUENT *lep;
684	>	STREAMOUT *sop;
685
686		if (ospec == NULL) { /* use stdout? */
687	<	if (!using_stdout && header)
688	<	printheader(stdout);
689	<	using_stdout = 1;
690	<	return stdout;
691	<	}
692	<	for (cp = ospec; cp; cp++) / check format position(s) */
693	<	if (*cp == '%') {
694	<	do
487	<	++cp;
488	<	while (isdigit(*cp));
489	<	switch (*cp) {
490	<	case '%':
491	<	break;
492	<	case 's':
493	<	if (mnp != NULL)
494	<	goto badspec;
495	<	mnp = cp;
496	<	break;
497	<	case 'd':
498	<	if (bnp != NULL)
499	<	goto badspec;
500	<	bnp = cp;
501	<	break;
502	<	default:
503	<	goto badspec;
504	<	}
687	>	if (!noopen && !using_stdout) {
688	>	stdos.reclen = 0;
689	>	if (outfmt != 'a')
690	>	SET_FILE_BINARY(stdout);
691	>	if (header)
692	>	printheader(stdout, NULL);
693	>	printresolu(stdout);
694	>	using_stdout = 1;
695		}
696	<	if (mnp != NULL) { /* create file name */
697	<	if (bnp != NULL) {
698	<	if (bnp > mnp)
699	<	sprintf(ofname, ospec, mname, bn);
700	<	else
701	<	sprintf(ofname, ospec, bn, mname);
702	<	} else
703	<	sprintf(ofname, ospec, mname);
704	<	} else if (bnp != NULL)
705	<	sprintf(ofname, ospec, bn);
516	<	else
517	<	strcpy(ofname, ospec);
518	<	lep = lu_find(&ofiletab, ofname); /* look it up */
696	>	stdos.ofp = stdout;
697	>	stdos.reclen += noopen;
698	>	return &stdos;
699	>	}
700	>	ofl = ofname(oname, ospec, mname, bn); /* get output name */
701	>	if (ofl < 0) {
702	>	sprintf(errmsg, "bad output format '%s'", ospec);
703	>	error(USER, errmsg);
704	>	}
705	>	lep = lu_find(&ofiletab, oname); /* look it up */
706		if (lep->key == NULL) /* new entry */
707	<	lep->key = strcpy((char *)malloc(strlen(ofname)+1), ofname);
708	<	if (lep->data == NULL) { /* open output file */
709	<	lep->data = (char *)fopen(ofname, "w");
710	<	if (lep->data == NULL) {
711	<	sprintf(errmsg, "cannot open '%s' for writing", ofname);
707	>	lep->key = strcpy((char *)malloc(strlen(oname)+1), oname);
708	>	sop = (STREAMOUT *)lep->data;
709	>	if (sop == NULL) { /* allocate stream */
710	>	sop = (STREAMOUT *)malloc(sizeof(STREAMOUT));
711	>	if (sop == NULL)
712	>	error(SYSTEM, "out of memory in getostream");
713	>	sop->reclen = oname[0] == '!' ? CNT_PIPE : CNT_UNKNOWN;
714	>	sop->ofp = NULL; /* open iff noopen==0 */
715	>	lep->data = (char *)sop;
716	>	}
717	>	if (!noopen && sop->ofp == NULL) { /* open output stream */
718	>	long i;
719	>	if (oname[0] == '!') /* output to command */
720	>	sop->ofp = popen(oname+1, "w");
721	>	else if (!force_open && access(oname, F_OK) == 0)
722	>	errno = EEXIST; /* file exists */
723	>	else /* else open it */
724	>	sop->ofp = fopen(oname, "w");
725	>	if (sop->ofp == NULL) {
726	>	sprintf(errmsg, "cannot open '%s' for writing", oname);
727		error(SYSTEM, errmsg);
728		}
729	<	if (header)
730	<	printheader((FILE *)lep->data);
729	>	if (outfmt != 'a')
730	>	SET_FILE_BINARY(sop->ofp);
731	>	if (header) {
732	>	char info[512];
733	>	char *cp = info;
734	>	if (ofl & OF_MODIFIER \|\| sop->reclen == 1) {
735	>	sprintf(cp, "MODIFIER=%s\n", mname);
736	>	while (*cp) ++cp;
737	>	}
738	>	if (ofl & OF_BIN) {
739	>	sprintf(cp, "BIN=%d\n", bn);
740	>	while (*cp) ++cp;
741	>	}
742	>	*cp = '\0';
743	>	printheader(sop->ofp, info);
744	>	}
745	>	printresolu(sop->ofp);
746	>	/* play catch-up */
747	>	for (i = sop->reclen > 1 ? sop->reclen*lastdone : lastdone;
748	>	i--; ) {
749	>	static const DCOLOR nocontrib = BLKCOLOR;
750	>	put_contrib(nocontrib, sop->ofp);
751	>	if (outfmt == 'a')
752	>	putc('\n', sop->ofp);
753	>	}
754	>	if (xres > 0)
755	>	fflush(sop->ofp);
756		}
757	<	return (FILE )lep->data; / return open file pointer */
758	<	badspec:
759	<	sprintf(errmsg, "bad output format '%s'", ospec);
533	<	error(USER, errmsg);
534	<	return NULL; /* pro forma return */
757	>	if (sop->reclen != CNT_PIPE) /* add to length if noopen */
758	>	sop->reclen += noopen;
759	>	return sop; /* return open stream */
760		}
761
762		/* read input ray into buffer */
763		int
764		getinp(char buf, FILE fp)
765		{
766	+	double dv[3];
767	+	float fv[3];
768	+	char *cp;
769	+	int i;
770	+
771		switch (inpfmt) {
772		case 'a':
773	<	if (fgets(buf, 128, fp) == NULL)
774	<	return 0;
773	>	cp = buf; /* make sure we get 6 floats */
774	>	for (i = 0; i < 6; i++) {
775	>	if (fgetword(cp, buf+127-cp, fp) == NULL)
776	>	return -1;
777	>	if (i >= 3)
778	>	dv[i-3] = atof(cp);
779	>	if ((cp = fskip(cp)) == NULL \|\| *cp)
780	>	return -1;
781	>	*cp++ = ' ';
782	>	}
783	>	getc(fp); /* get/put eol */
784	>	cp-- = '\0'; cp = '\n';
785	>	if (DOT(dv,dv) <= FTINY*FTINY)
786	>	return 0; /* dummy ray */
787		return strlen(buf);
788		case 'f':
789		if (fread(buf, sizeof(float), 6, fp) < 6)
790	<	return 0;
790	>	return -1;
791	>	memcpy(fv, buf+3sizeof(float), 3sizeof(float));
792	>	if (DOT(fv,fv) <= FTINY*FTINY)
793	>	return 0; /* dummy ray */
794		return sizeof(float)*6;
795		case 'd':
796		if (fread(buf, sizeof(double), 6, fp) < 6)
797	<	return 0;
797	>	return -1;
798	>	memcpy(dv, buf+3sizeof(double), 3sizeof(double));
799	>	if (DOT(dv,dv) <= FTINY*FTINY)
800	>	return 0; /* dummy ray */
801		return sizeof(double)*6;
802		}
803		error(INTERNAL, "botched input format");
804	<	return 0; /* pro forma return */
804	>	return -1; /* pro forma return */
805		}
806
807	<	static const float rparams = NULL; / ray parameter pointer */
807	>	static float rparams[9]; /* traced ray parameters */
808
809		/* return channel (ray) value */
810		double
#	Line 564 \| Line 812 \| chanvalue(int n)
812		{
813		if (--n < 0 \|\| n >= 6)
814		error(USER, "illegal channel number ($N)");
815	<	if (rparams == NULL)
568	<	error(USER, "illegal use of $N in constant expression");
569	<	return rparams[n];
815	>	return rparams[n+3];
816		}
817
818	<	/* add ray contribution to the appropriate modifier bin */
818	>	/* add current ray contribution to the appropriate modifier bin */
819		void
820	<	add_contrib(const char *modn, float rayval[9])
820	>	add_contrib(const char *modn)
821		{
822		LUENT *le = lu_find(&modconttab, modn);
823		MODCONT mp = (MODCONT )le->data;
#	Line 581 \| Line 827 \| *add_contrib(const char modn, float rayval[9])**
827		sprintf(errmsg, "unexpected modifier '%s' from rtrace", modn);
828		error(USER, errmsg);
829		}
830	<	rparams = rayval + 3; /* for chanvalue */
585	<	eclock++;
830	>	eclock++; /* get bin number */
831		bn = (int)(evalue(mp->binv) + .5);
832		if (bn <= 0)
833		bn = 0;
834	<	else if (bn > mp->nbins) { /* new bin */
835	<	mp = (MODCONT *)realloc(mp, sizeof(MODCONT) +
836	<	bn*sizeof(COLOR));
592	<	if (mp == NULL)
593	<	error(SYSTEM, "out of memory in add_contrib");
594	<	memset(mp->cbin+mp->nbins, 0, sizeof(COLOR)*(bn+1-mp->nbins));
595	<	mp->nbins = bn+1;
596	<	le->data = (char *)mp;
597	<	}
598	<	addcolor(mp->cbin[bn], rayval);
599	<	rparams = NULL;
834	>	else if (bn >= mp->nbins) /* new bin */
835	>	le->data = (char *)(mp = growmodifier(mp, bn+1));
836	>	addcolor(mp->cbin[bn], rparams);
837		}
838
839		/* output newline to ASCII file and/or flush as requested */
840		static int
841		puteol(const LUENT e, void p)
842		{
843	<	FILE fp = (FILE )e->data;
843	>	STREAMOUT sop = (STREAMOUT )e->data;
844
845		if (outfmt == 'a')
846	<	putc('\n', fp);
846	>	putc('\n', sop->ofp);
847		if (!waitflush)
848	<	fflush(fp);
849	<	if (ferror(fp)) {
848	>	fflush(sop->ofp);
849	>	if (ferror(sop->ofp)) {
850		sprintf(errmsg, "write error on file '%s'", e->key);
851		error(SYSTEM, errmsg);
852		}
853		return 0;
854		}
855
856	+	/* put out ray contribution to file */
857	+	void
858	+	put_contrib(const DCOLOR cnt, FILE *fout)
859	+	{
860	+	float fv[3];
861	+	COLR cv;
862	+
863	+	switch (outfmt) {
864	+	case 'a':
865	+	fprintf(fout, "%.6e\t%.6e\t%.6e\t", cnt[0], cnt[1], cnt[2]);
866	+	break;
867	+	case 'f':
868	+	fv[0] = cnt[0];
869	+	fv[1] = cnt[1];
870	+	fv[2] = cnt[2];
871	+	fwrite(fv, sizeof(float), 3, fout);
872	+	break;
873	+	case 'd':
874	+	fwrite(cnt, sizeof(double), 3, fout);
875	+	break;
876	+	case 'c':
877	+	setcolr(cv, cnt[0], cnt[1], cnt[2]);
878	+	fwrite(cv, sizeof(cv), 1, fout);
879	+	break;
880	+	default:
881	+	error(INTERNAL, "botched output format");
882	+	}
883	+	}
884	+
885		/* output ray tallies and clear for next primary */
886		void
887		done_contrib(void)
888		{
889	<	int i, j;
890	<	MODCONT *mp;
891	<	FILE *fout;
626	<	double dv[3];
627	<	COLR cv;
889	>	int i, j;
890	>	MODCONT *mp;
891	>	STREAMOUT *sop;
892		/* output modifiers in order */
893		for (i = 0; i < nmods; i++) {
894		mp = (MODCONT *)lu_find(&modconttab,modname[i])->data;
895	<	for (j = 0; j < mp->nbins; j++) {
896	<	fout = getofile(mp->outspec, mp->modname, j);
897	<	switch (outfmt) {
898	<	case 'a':
899	<	fprintf(fout, "%.6e\t%.6e\t%.6e\t",
900	<	mp->cbin[j][RED],
901	<	mp->cbin[j][GRN],
902	<	mp->cbin[j][BLU]);
903	<	break;
904	<	case 'f':
641	<	fwrite(mp->cbin[j], sizeof(float), 3, fout);
642	<	break;
643	<	case 'd':
644	<	dv[0] = mp->cbin[j][0];
645	<	dv[1] = mp->cbin[j][1];
646	<	dv[2] = mp->cbin[j][2];
647	<	fwrite(dv, sizeof(double), 3, fout);
648	<	break;
649	<	case 'c':
650	<	setcolr(cv, mp->cbin[j][RED],
651	<	mp->cbin[j][GRN], mp->cbin[j][BLU]);
652	<	fwrite(cv, sizeof(COLR), 1, fout);
653	<	break;
654	<	default:
655	<	error(INTERNAL, "botched output format");
656	<	}
657	<	}
895	>	sop = getostream(mp->outspec, mp->modname, 0,0);
896	>	put_contrib(mp->cbin[0], sop->ofp);
897	>	if (mp->nbins > 3 && /* minor optimization */
898	>	sop == getostream(mp->outspec, mp->modname, 1,0))
899	>	for (j = 1; j < mp->nbins; j++)
900	>	put_contrib(mp->cbin[j], sop->ofp);
901	>	else
902	>	for (j = 1; j < mp->nbins; j++)
903	>	put_contrib(mp->cbin[j],
904	>	getostream(mp->outspec,mp->modname,j,0)->ofp);
905		/* clear for next ray tree */
906	<	memset(mp->cbin, 0, sizeof(COLOR)*mp->nbins);
906	>	memset(mp->cbin, 0, sizeof(DCOLOR)*mp->nbins);
907		}
908		--waitflush; /* terminate records */
909		lu_doall(&ofiletab, puteol, NULL);
910	<	if (!waitflush)
910	>	if (using_stdout & (outfmt == 'a'))
911	>	putc('\n', stdout);
912	>	if (!waitflush) {
913		waitflush = xres;
914	+	if (using_stdout)
915	+	fflush(stdout);
916	+	}
917		}
918
919	<	/* process (or save) ray tree produced by rtrace process */
919	>	/* queue completed ray tree produced by rtrace process */
920		void
921	<	process_rays(struct rtproc *rtp)
921	>	queue_raytree(struct rtproc *rtp)
922		{
923	<	struct rtproc *rtu;
924	<	/* check if time to process it */
925	<	if (rtp->raynum == lastdone+1) {
926	<	int n = rtp->bpos - rtp->buf;
923	>	struct rtproc rtu, rtl = NULL;
924	>	/* insert following ray order */
925	>	for (rtu = rt_unproc; rtu != NULL; rtu = (rtl=rtu)->next)
926	>	if (rtp->raynum < rtu->raynum)
927	>	break;
928	>	rtu = (struct rtproc *)malloc(sizeof(struct rtproc));
929	>	if (rtu == NULL)
930	>	error(SYSTEM, "out of memory in queue_raytree");
931	>	rtu = rtp;
932	>	if (rtl == NULL) {
933	>	rtu->next = rt_unproc;
934	>	rt_unproc = rtu;
935	>	} else {
936	>	rtu->next = rtl->next;
937	>	rtl->next = rtu;
938	>	}
939	>	rtp->raynum = 0; /* clear path for next ray tree */
940	>	rtp->bsiz = 0;
941	>	rtp->buf = NULL;
942	>	rtp->nbr = 0;
943	>	}
944	>
945	>	/* process completed ray trees from our queue */
946	>	void
947	>	process_queue(void)
948	>	{
949	>	char modname[128];
950	>	/* ray-ordered queue */
951	>	while (rt_unproc != NULL && rt_unproc->raynum == lastdone+1) {
952	>	struct rtproc *rtp = rt_unproc;
953	>	int n = rtp->nbr;
954		const char *cp = rtp->buf;
955		while (n > 0) { /* process rays */
956	<	char matname[128];
678	<	char *mnp = matname;
956	>	register char *mnp = modname;
957		/* skip leading tabs */
958		while (n > 0 && *cp == '\t') {
959		cp++; n--;
960		}
961	<	/* get material name */
961	>	if (!n \|\| !(isalpha(cp) \| (cp == '_')))
962	>	error(USER, "bad modifier name from rtrace");
963	>	/* get modifier name */
964		while (n > 0 && *cp != '\t') {
965		mnp++ = cp++; n--;
966		}
687	–	if (!n)
688	–	error(USER, "botched modifer name from rtrace");
967		*mnp = '\0';
968	<	cp++; n--; /* skip terminating tab */
968	>	cp++; n--; /* eat following tab */
969		if (n < (int)(sizeof(float)*9))
970		error(USER, "incomplete ray value from rtrace");
971		/* add ray contribution */
972	<	add_contrib(matname, (float *)cp);
972	>	memcpy(rparams, cp, sizeof(float)*9);
973		cp += sizeof(float)9; n -= sizeof(float)9;
974	+	add_contrib(modname);
975		}
976		done_contrib(); /* sum up contributions & output */
977		lastdone = rtp->raynum;
978	<	free(rtp->buf);
979	<	/* catch up with unprocessed list */
980	<	while (rt_unproc != NULL && rt_unproc->raynum == lastdone+1) {
981	<	process_rays(rt_unproc);
703	<	rt_unproc = (rtu=rt_unproc)->next;
704	<	free(rtu);
705	<	}
706	<	} else { /* else insert in unprocessed list */
707	<	struct rtproc *rtl = NULL;
708	<	for (rtu = rt_unproc; rtu != NULL; rtu = (rtl=rtu)->next)
709	<	if (rtp->raynum < rtu->raynum)
710	<	break;
711	<	rtu = (struct rtproc *)malloc(sizeof(struct rtproc));
712	<	if (rtu == NULL)
713	<	error(SYSTEM, "out of memory in process_rays");
714	<	rtu = rtp;
715	<	if (rtl == NULL) {
716	<	rtu->next = rt_unproc;
717	<	rt_unproc = rtu;
718	<	} else {
719	<	rtu->next = rtl->next;
720	<	rtl->next = rtu;
721	<	}
978	>	if (rtp->buf != NULL) /* free up buffer space */
979	>	free(rtp->buf);
980	>	rt_unproc = rtp->next;
981	>	free(rtp); /* done with this ray tree */
982		}
723	–	rtp->raynum = 0; /* clear path for next ray tree */
724	–	rtp->bsiz = 0;
725	–	rtp->buf = NULL;
983		}
984
985		/* wait for rtrace process to finish with ray tree */
#	Line 763 \| Line 1020 \| wait_rproc(void)
1020		if (rt->buf == NULL) {
1021		rt->bsiz = treebufsiz;
1022		rt->buf = (char *)malloc(treebufsiz);
1023	<	} else if (rt->bpos + BUFSIZ > rt->buf + rt->bsiz) {
1023	>	} else if (rt->nbr + BUFSIZ > rt->bsiz) {
1024		if (rt->bsiz + BUFSIZ <= treebufsiz)
1025		rt->bsiz = treebufsiz;
1026		else
1027	<	rt->bsiz = treebufsiz += BUFSIZ;
1027	>	treebufsiz = rt->bsiz += BUFSIZ;
1028		rt->buf = (char *)realloc(rt->buf, rt->bsiz);
1029		}
1030		if (rt->buf == NULL)
1031		error(SYSTEM, "out of memory in wait_rproc");
1032	<	nr = read(rt->pd.r, rt->bpos,
1033	<	rt->buf + rt->bsiz - rt->bpos);
777	<	if (!nr)
1032	>	nr = read(rt->pd.r, rt->buf+rt->nbr, rt->bsiz-rt->nbr);
1033	>	if (nr <= 0)
1034		error(USER, "rtrace process died");
1035	<	rt->bpos += nr; /* advance buffer & check */
1036	<	if (rt->bpos[-1] == '\t' && rt->bpos[-2] == '-') {
1037	<	rt->bpos -= 2; /* elide terminator */
1038	<	process_rays(rt);
1035	>	rt->nbr += nr; /* advance & check */
1036	>	if (rt->nbr >= 4 && !memcmp(rt->buf+rt->nbr-4,
1037	>	"~\t~\t", 4)) {
1038	>	rt->nbr -= 4; /* elide terminator */
1039	>	queue_raytree(rt);
1040		rtfree = rt; /* ready for next ray */
1041		}
1042		}
#	Line 801 \| Line 1058 \| get_rproc(void)
1058
1059		/* trace ray contributions (main loop) */
1060		void
1061	<	tracecontribs(FILE *fin)
1061	>	trace_contribs(FILE *fin)
1062		{
1063		char inpbuf[128];
1064		int iblen;
1065		struct rtproc *rtp;
1066		/* loop over input */
1067	<	while ((iblen = getinp(inpbuf, fin)) > 0) {
1068	<	if (lastray+1 < lastray) { /* counter rollover? */
1067	>	while ((iblen = getinp(inpbuf, fin)) >= 0) {
1068	>	if (!iblen \|\| /* need reset? */
1069	>	queue_length() > 10*nrtprocs() \|\|
1070	>	lastray+1 < lastray) {
1071		while (wait_rproc() != NULL)
1072	<	;
1073	<	lastdone = lastray = 0;
1072	>	process_queue();
1073	>	if (lastray+1 < lastray)
1074	>	lastdone = lastray = 0;
1075		}
1076		rtp = get_rproc(); /* get avail. rtrace process */
1077	<	rtp->raynum = ++lastray; /* assign this ray to it */
1078	<	writebuf(rtp->pd.w, inpbuf, iblen);
1079	<	if (!--raysleft)
1080	<	break; /* explicit EOF */
1077	>	rtp->raynum = ++lastray; /* assign ray */
1078	>	if (iblen) { /* trace ray if valid */
1079	>	writebuf(rtp->pd.w, inpbuf, iblen);
1080	>	} else { /* else bypass dummy ray */
1081	>	queue_raytree(rtp); /* empty tree */
1082	>	if ((yres <= 0) \| (waitflush > 1))
1083	>	waitflush = 1; /* flush after this */
1084	>	}
1085	>	process_queue(); /* catch up with results */
1086	>	if (raysleft && !--raysleft)
1087	>	break; /* preemptive EOI */
1088		}
1089		while (wait_rproc() != NULL) /* process outstanding rays */
1090	<	;
1090	>	process_queue();
1091	>	if (raysleft)
1092	>	error(USER, "unexpected EOF on input");
1093	>	lu_done(&ofiletab); /* close output files */
1094	>	}
1095	>
1096	>	/* seek on the given output file */
1097	>	static int
1098	>	myseeko(const LUENT e, void p)
1099	>	{
1100	>	STREAMOUT sop = (STREAMOUT )e->data;
1101	>	off_t nbytes = (off_t )p;
1102	>
1103	>	if (sop->reclen > 1)
1104	>	nbytes = nbytes * sop->reclen;
1105	>	if (fseeko(sop->ofp, nbytes, SEEK_CUR) < 0) {
1106	>	sprintf(errmsg, "seek error on file '%s'", e->key);
1107	>	error(SYSTEM, errmsg);
1108	>	}
1109	>	}
1110	>
1111	>	/* recover output if possible */
1112	>	void
1113	>	recover_output(FILE *fin)
1114	>	{
1115	>	off_t lastout = -1;
1116	>	int outvsiz, recsiz;
1117	>	char *outvfmt;
1118	>	int i, j;
1119	>	MODCONT *mp;
1120	>	int ofl;
1121	>	char oname[1024];
1122	>	LUENT ment, oent;
1123	>	STREAMOUT sout;
1124	>	off_t nvals;
1125	>	int xr, yr;
1126	>
1127	>	switch (outfmt) {
1128	>	case 'a':
1129	>	error(USER, "cannot recover ASCII output");
1130	>	return;
1131	>	case 'f':
1132	>	outvsiz = sizeof(float)*3;
1133	>	outvfmt = "float";
1134	>	break;
1135	>	case 'd':
1136	>	outvsiz = sizeof(double)*3;
1137	>	outvfmt = "double";
1138	>	break;
1139	>	case 'c':
1140	>	outvsiz = sizeof(COLR);
1141	>	outvfmt = COLRFMT;
1142	>	break;
1143	>	default:
1144	>	error(INTERNAL, "botched output format");
1145	>	return;
1146	>	}
1147	>	/* check modifier outputs */
1148	>	for (i = 0; i < nmods; i++) {
1149	>	ment = lu_find(&modconttab,modname[i]);
1150	>	mp = (MODCONT *)ment->data;
1151	>	if (mp->outspec == NULL)
1152	>	error(USER, "cannot recover from stdout");
1153	>	if (mp->outspec[0] == '!')
1154	>	error(USER, "cannot recover from command");
1155	>	for (j = 0; ; j++) { /* check each bin's file */
1156	>	ofl = ofname(oname, mp->outspec, mp->modname, j);
1157	>	if (ofl < 0)
1158	>	error(USER, "bad output file specification");
1159	>	oent = lu_find(&ofiletab, oname);
1160	>	if (oent->data != NULL) {
1161	>	sout = (STREAMOUT )oent->data;
1162	>	} else {
1163	>	sout.reclen = CNT_UNKNOWN;
1164	>	sout.ofp = NULL;
1165	>	}
1166	>	if (sout.ofp != NULL) { /* already open? */
1167	>	if (ofl & OF_BIN)
1168	>	continue;
1169	>	break;
1170	>	}
1171	>	/* open output */
1172	>	sout.ofp = fopen(oname, "rb+");
1173	>	if (sout.ofp == NULL) {
1174	>	if (j)
1175	>	break; /* assume end of modifier */
1176	>	sprintf(errmsg, "missing recover file '%s'",
1177	>	oname);
1178	>	error(USER, errmsg);
1179	>	}
1180	>	nvals = lseek(fileno(sout.ofp), 0, SEEK_END);
1181	>	if (nvals <= 0) {
1182	>	lastout = 0; /* empty output, quit here */
1183	>	fclose(sout.ofp);
1184	>	break;
1185	>	}
1186	>	if (sout.reclen == CNT_UNKNOWN) {
1187	>	if (!(ofl & OF_BIN)) {
1188	>	sprintf(errmsg,
1189	>	"need -bn to recover file '%s'",
1190	>	oname);
1191	>	error(USER, errmsg);
1192	>	}
1193	>	recsiz = outvsiz;
1194	>	} else
1195	>	recsiz = outvsiz * sout.reclen;
1196	>
1197	>	lseek(fileno(sout.ofp), 0, SEEK_SET);
1198	>	if (header && checkheader(sout.ofp, outvfmt, NULL) != 1) {
1199	>	sprintf(errmsg, "format mismatch for '%s'",
1200	>	oname);
1201	>	error(USER, errmsg);
1202	>	}
1203	>	if ((xres > 0) & (yres > 0) &&
1204	>	(!fscnresolu(&xr, &yr, sout.ofp) \|\|
1205	>	xr != xres \|\|
1206	>	yr != yres)) {
1207	>	sprintf(errmsg, "resolution mismatch for '%s'",
1208	>	oname);
1209	>	error(USER, errmsg);
1210	>	}
1211	>	nvals = (nvals - (off_t)ftell(sout.ofp)) / recsiz;
1212	>	if ((lastout < 0) \| (nvals < lastout))
1213	>	lastout = nvals;
1214	>	if (oent->key == NULL) /* new entry */
1215	>	oent->key = strcpy((char *)
1216	>	malloc(strlen(oname)+1), oname);
1217	>	if (oent->data == NULL)
1218	>	oent->data = (char *)malloc(sizeof(STREAMOUT));
1219	>	(STREAMOUT )oent->data = sout;
1220	>	if (!(ofl & OF_BIN))
1221	>	break; /* no bin separation */
1222	>	}
1223	>	if (!lastout) { /* empty output */
1224	>	error(WARNING, "no previous data to recover");
1225	>	lu_done(&ofiletab); /* reclose all outputs */
1226	>	return;
1227	>	}
1228	>	if (j > mp->nbins) /* reallocate modifier bins */
1229	>	ment->data = (char *)(mp = growmodifier(mp, j));
1230	>	}
1231	>	if (lastout < 0) {
1232	>	error(WARNING, "no output files to recover");
1233	>	return;
1234	>	}
1235	>	if (raysleft && lastout >= raysleft) {
1236	>	error(WARNING, "output appears to be complete");
1237	>	/* XXX should read & discard input? */
1238	>	quit(0);
1239	>	}
1240	>	/* seek on all files */
1241	>	nvals = lastout * outvsiz;
1242	>	lu_doall(&ofiletab, myseeko, &nvals);
1243	>	/* skip repeated input */
1244	>	for (nvals = 0; nvals < lastout; nvals++)
1245	>	if (getinp(oname, fin) < 0)
1246	>	error(USER, "unexpected EOF on input");
1247	>	lastray = lastdone = (unsigned long)lastout;
1248	>	if (raysleft)
1249	>	raysleft -= lastray;
1250		}

Diff Legend

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Comparing ray/src/util/rtcontrib.c (file contents): Revision 1.1 by greg, Wed May 25 04:45:22 2005 UTC vs. Revision 1.39 by greg, Fri Oct 21 01:12:59 2005 UTC

Diff Legend

Comparing ray/src/util/rtcontrib.c (file contents):
Revision 1.1 by greg, Wed May 25 04:45:22 2005 UTC vs.
Revision 1.39 by greg, Fri Oct 21 01:12:59 2005 UTC