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root/Development/ray/src/rt/rview.c

Comparing ray/src/rt/rview.c (file contents):
Revision 1.17 by greg, Mon Jun 24 16:10:49 1991 UTC vs.
Revision 2.5 by greg, Tue Jan 14 16:16:00 1992 UTC

#	Line 34 | Line 34 | double  dstrsrc = 0.0;                 /* square source distribution
34		double  shadthresh = .1;                /* shadow threshold */
35		double  shadcert = .25;                 /* shadow certainty */
36		int  directrelay = 0;                   /* number of source relays */
37	<	int  vspretest = 32;                    /* virtual source pretest density */
37	>	int  vspretest = 128;                   /* virtual source pretest density */
38	>	int  directinvis = 0;                   /* sources invisible? */
39	>	double  srcsizerat = 0.;                /* maximum ratio source size/dist. */
40
41	+	double  specthresh = .5;                /* specular sampling threshold */
42	+	double  specjitter = 1.;                /* specular sampling jitter */
43	+
44		int  maxdepth = 4;                      /* maximum recursion depth */
45		double  minweight = 1e-2;               /* minimum ray weight */
46
#	Line 61 | Line 66 | int  pdepth;                           /* image depth in current frame */
66
67		static char  *reserve_mem = NULL;       /* pre-allocated reserve memory */
68
69	<	#define RESERVE_AMT     8192            /* amount of memory to reserve */
69	>	#define RESERVE_AMT     32768           /* amount of memory to reserve */
70
71	<	#define  CTRL(c)        ('c'-'@')
71	>	#define  CTRL(c)        ((c)-'@')
72
73
74		quit(code)                      /* quit program */
#	Line 168 | Line 173 | command(prompt)                        /* get/execute command */
173		char  *prompt;
174		{
175		#define  badcom(s)      strncmp(s, inpbuf, args-inpbuf-1)
171	–	double  atof();
176		char  inpbuf[256];
177		char  *args;
178		again:
#	Line 221 | Line 225 | again:
225		break;
226		case 'm':                               /* move camera */
227		if (badcom("move"))
228	+	#ifdef  MSTATS
229	+	{
230	+	if (badcom("memory"))
231	+	goto commerr;
232	+	printmemstats(stderr);
233	+	break;
234	+	}
235	+	#else
236		goto commerr;
237	+	#endif
238		getmove(args);
239		break;
240		case 'r':                               /* rotate/repaint */
#	Line 238 | Line 251 | again:
251		goto commerr;
252		getpivot(args);
253		break;
254	<	case CTRL(R):                           /* redraw */
254	>	case CTRL('R'):                         /* redraw */
255		redraw();
256		break;
257		case 'w':                               /* write */
#	Line 250 | Line 263 | again:
263		if (badcom("quit"))
264		goto commerr;
265		quit(0);
266	<	case CTRL(C):                           /* interrupt */
266	>	case CTRL('C'):                         /* interrupt */
267		goto again;
268		#ifdef  SIGTSTP
269	<	case CTRL(Z):                           /* stop */
269	>	case CTRL('Z'):                         /* stop */
270		devclose();
271		kill(0, SIGTSTP);
272		/* pc stops here */
#	Line 315 | Line 328 | rsample()                      /* sample the image */
328		/* sample the image */
329		for (y = 0; /* y < ysiz */ ; y++) {
330		for (x = 0; x < xsiz-1; x++) {
331	<	if (dev->inpready)
331	>	if (dev->inpready || errno == ENOMEM)
332		goto escape;
333		/*
334		* Test super-pixel to the right.
#	Line 331 | Line 344 | rsample()                      /* sample the image */
344		if (y >= ysiz-1)
345		break;
346		for (x = 0; x < xsiz; x++) {
347	<	if (dev->inpready)
347	>	if (dev->inpready || errno == ENOMEM)
348		goto escape;
349		/*
350		* Find super-pixel at this position in next row.
#	Line 386 | Line 399 | int  pd;
399		if (p->kid == NULL) {                   /* subdivide */
400
401		if ((p->kid = newptree()) == NULL)
402	<	return(growth);
402	>	return(0);
403		/*
404		*  The following paint order can leave a black pixel
405		*  when redraw() is called in (*dev->paintr)().

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