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Comparing ray/src/util/rpiece.c (file contents):
Revision 2.54 by greg, Fri Jun 1 22:55:14 2012 UTC vs.
Revision 2.62 by greg, Mon Jun 3 18:55:51 2024 UTC

#	Line 37 | Line 37 | main(
37		#ifndef NFS
38		#define  NFS                    1
39		#endif
40	<	/* set the following to 0 to forgo forking */
40	>
41	>	#ifndef RHAS_FORK_EXEC
42	>	#undef MAXFORK
43	>	#define MAXFORK                 0
44	>	#endif
45		#ifndef MAXFORK
46		#if NFS
47		#define  MAXFORK                3       /* allotment of duped processes */
#	Line 101 | Line 105 | main(
105		char  *argv[]
106		)
107		{
108	<	register int  i, rval;
108	>	int  i, rval;
109
110		progname = argv[0];
111		for (i = 1; i < argc; i++) {
#	Line 151 | Line 155 | main(
155		++i;
156		continue;
157		}
158	+	if (argv[i][2] == 'X') {
159	+	fprintf(stderr, "%s: -pXYZ unsupported\n",
160	+	argv[0]);
161	+	++i;
162	+	continue;
163	+	}
164	+	if (argv[i][2] == 'c') {
165	+	fprintf(stderr, "%s: -pc unsupported\n",
166	+	argv[0]);
167	+	i += 9;
168	+	continue;
169	+	}
170		if (argv[i][2] != 'a' || argv[i][3])
171		break;
172		pixaspect = atof(argv[++i]);
#	Line 275 | Line 291 | init(                  /* set up output file and start rpict */
291		normaspect(viewaspect(&ourview)*hmult/vmult, &pixaspect, &hres, &vres);
292		if (!nowarn && (hr != hres*hmult) | (vr != vres*vmult))
293		fprintf(stderr,
294	<	"%s: warning - resolution changed from %dx%d to %dx%d\n",
294	>	"%s: warning - changed resolution from %dx%d to %dx%d\n",
295		progname, hr, vr, hres*hmult, vres*vmult);
296		sprintf(hrbuf, "%d", hres);
297		rpargv[rpargc++] = "-x"; rpargv[rpargc++] = hrbuf;
#	Line 294 | Line 310 | init(                  /* set up output file and start rpict */
310		fprintf(fp, "SOFTWARE= %s\n", VersionID);
311		fputs(VIEWSTR, fp);
312		fprintview(&ourview, fp);
313	<	putc('\n', fp);
313	>	fputc('\n', fp);
314		fputnow(fp);
315		if (pixaspect < .99 || pixaspect > 1.01)
316		fputaspect(pixaspect, fp);
317	+	fputprims(stdprims, fp);
318		fputformat(COLRFMT, fp);
319	<	putc('\n', fp);
319	>	fputc('\n', fp);
320		fprtresolu(hres*hmult, vres*vmult, fp);
321		} else if ((outfd = open(outfile, O_RDWR)) >= 0) {
322		dolock(outfd, F_RDLCK);
#	Line 322 | Line 339 | init(                  /* set up output file and start rpict */
339		goto filerr;
340		dolock(outfd, F_UNLCK);
341		/* start rpict process */
342	+	rpd = sp_inactive;
343		if (open_process(&rpd, rpargv) <= 0) {
344		fprintf(stderr, "%s: cannot start %s\n", progname, rpargv[0]);
345		exit(1);
#	Line 392 | Line 410 | nextpiece(             /* get next piece assignment */
410
411		static int
412		rvrpiece(               /* check for recoverable pieces */
413	<	register int    *xp,
414	<	register int    *yp
413	>	int     *xp,
414	>	int     *yp
415		)
416		{
417		static char  *pdone = NULL;     /* which pieces are done */
418		static long  readpos = -1;      /* how far we've read */
419	<	register int  i;
419	>	int  px, py, i;
420		/*
421		* This routine is called by nextpiece() with an
422		* exclusive lock on syncfp and the file pointer at the
#	Line 407 | Line 425 | rvrpiece(              /* check for recoverable pieces */
425		if (rvrlim < 0)
426		return(0);              /* only check if asked */
427		if (pdone == NULL)              /* first call */
428	<	pdone = calloc(hmult*vmult, sizeof(char));
428	>	pdone = (char *)calloc(hmult*vmult, sizeof(char));
429		if (pdone == NULL) {
430		fprintf(stderr, "%s: out of memory\n", progname);
431		exit(1);
432		}
433		if (readpos != -1)              /* mark what's been done */
434		fseek(syncfp, readpos, 0);
435	<	while (fscanf(syncfp, "%d %d", xp, yp) == 2)
436	<	pdone[*xp*vmult+*yp] = 1;
435	>	while (fscanf(syncfp, "%d %d", &px, &py) == 2)
436	>	pdone[px*vmult+py] = 1;
437		if (!feof(syncfp)) {
438		fprintf(stderr, "%s: format error in sync file\n", progname);
439		exit(1);
#	Line 456 | Line 474 | cleanup(                       /* close rpict process and clean up */
474		static void
475		rpiece(void)                    /* render picture piece by piece */
476		{
477	+	char  *err;
478		VIEW  pview;
479		int  xorg, yorg;
461	–	/* compute view parameters */
462	–	pview = ourview;
463	–	switch (ourview.type) {
464	–	case VT_PER:
465	–	pview.horiz = (2.*180./PI)*atan(
466	–	tan((PI/180./2.)*ourview.horiz)/hmult );
467	–	pview.vert = (2.*180./PI)*atan(
468	–	tan((PI/180./2.)*ourview.vert)/vmult );
469	–	break;
470	–	case VT_PAR:
471	–	case VT_ANG:
472	–	pview.horiz = ourview.horiz / hmult;
473	–	pview.vert = ourview.vert / vmult;
474	–	break;
475	–	case VT_CYL:
476	–	pview.horiz = ourview.horiz / hmult;
477	–	pview.vert = (2.*180./PI)*atan(
478	–	tan((PI/180./2.)*ourview.vert)/vmult );
479	–	break;
480	–	case VT_HEM:
481	–	pview.horiz = (2.*180./PI)*asin(
482	–	sin((PI/180./2.)*ourview.horiz)/hmult );
483	–	pview.vert = (2.*180./PI)*asin(
484	–	sin((PI/180./2.)*ourview.vert)/vmult );
485	–	break;
486	–	case VT_PLS:
487	–	pview.horiz = sin((PI/180./2.)*ourview.horiz) /
488	–	(1.0 + cos((PI/180./2.)*ourview.horiz)) / hmult;
489	–	pview.horiz *= pview.horiz;
490	–	pview.horiz = (2.*180./PI)*acos((1. - pview.horiz) /
491	–	(1. + pview.horiz));
492	–	pview.vert = sin((PI/180./2.)*ourview.vert) /
493	–	(1.0 + cos((PI/180./2.)*ourview.vert)) / vmult;
494	–	pview.vert *= pview.vert;
495	–	pview.vert = (2.*180./PI)*acos((1. - pview.vert) /
496	–	(1. + pview.vert));
497	–	break;
498	–	default:
499	–	fprintf(stderr, "%s: unknown view type '-vt%c'\n",
500	–	progname, ourview.type);
501	–	exit(cleanup(1));
502	–	}
480		/* render each piece */
481		while (nextpiece(&xorg, &yorg)) {
482	<	pview.hoff = ourview.hoff*hmult + xorg - 0.5*(hmult-1);
483	<	pview.voff = ourview.voff*vmult + yorg - 0.5*(vmult-1);
482	>	pview = ourview;
483	>	err = cropview(&pview, (double)xorg/hmult, (double)yorg/vmult,
484	>	(xorg+1.)/hmult, (yorg+1.)/vmult);
485	>	if (err != NULL) {
486	>	fprintf(stderr, "%s: %s\n", progname, err);
487	>	exit(cleanup(1));
488	>	}
489		fputs(VIEWSTR, torp);
490		fprintview(&pview, torp);
491	<	putc('\n', torp);
491	>	fputc('\n', torp);
492		fflush(torp);                   /* assigns piece to rpict */
493		putpiece(xorg, yorg);           /* place piece in output */
494		}
#	Line 522 | Line 504 | int    ypos
504		struct flock  fls;
505		int  pid, status;
506		int  hr, vr;
507	<	register int  y;
507	>	int  y;
508		/* check bounds */
509		if ((xpos < 0) | (ypos < 0) | (xpos >= hmult) | (ypos >= vmult)) {
510		fprintf(stderr, "%s: requested piece (%d,%d) out of range\n",
#	Line 584 | Line 566 | int    ypos
566		if (lseek(outfd, (off_t)fls.l_start, SEEK_SET) < 0)
567		filerr("seek");
568		if (hmult == 1) {
569	<	if (writebuf(outfd, (char *)pbuf,
569	>	if (writebuf(outfd, pbuf,
570		vr*hr*sizeof(COLR)) != vr*hr*sizeof(COLR))
571		filerr("write");
572		} else
573		for (y = 0; y < vr; y++) {
574	<	if (writebuf(outfd, (char *)(pbuf+y*hr),
574	>	if (writebuf(outfd, pbuf+y*hr,
575		hr*sizeof(COLR)) != hr*sizeof(COLR))
576		filerr("write");
577		if (y < vr-1 && lseek(outfd,

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