13 |
|
#include "paths.h" |
14 |
|
#include <sys/types.h> |
15 |
|
#include <GL/glx.h> |
16 |
+ |
#ifndef NOSTEREO |
17 |
+ |
#include <X11/extensions/SGIStereo.h> |
18 |
+ |
#endif |
19 |
|
#include <ctype.h> |
20 |
|
#include "glradicon.h" |
21 |
|
|
68 |
|
|
69 |
|
int currentview = 0; /* current view number */ |
70 |
|
VIEW thisview = STDVIEW; /* displayed view */ |
71 |
+ |
double eyedist = 1; /* interocular distance */ |
72 |
|
VIEW lastview; /* last recorded view */ |
73 |
|
|
74 |
|
char *progname; /* global argv[0] */ |
79 |
|
|
80 |
|
int rtpd[3]; /* rtrace process descriptors */ |
81 |
|
|
82 |
+ |
int silent = 0; /* run rad silently? */ |
83 |
|
int backvis = 1; /* back faces visible? */ |
84 |
+ |
int stereo = 0; /* do stereo? */ |
85 |
|
|
86 |
+ |
#ifdef NOSTEREO |
87 |
+ |
#define setstereobuf(bid) 0 |
88 |
+ |
#else |
89 |
+ |
#define setstereobuf(bid) (glXWaitGL(), \ |
90 |
+ |
XSGISetStereoBuffer(ourdisplay, gwind, bid), \ |
91 |
+ |
glXWaitX()) |
92 |
+ |
#endif |
93 |
+ |
|
94 |
|
int displist; /* our scene display list */ |
95 |
|
|
96 |
|
int in_dev_view = 0; /* currently in dev_view() */ |
97 |
|
|
98 |
< |
extern char *fgets(), *fgetline(), *atos(), *scan4var(); |
98 |
> |
#ifdef BSD |
99 |
> |
#define strchr index |
100 |
> |
#endif |
101 |
> |
|
102 |
> |
extern char *strchr(), *fgets(), *fgetline(), *atos(), *scan4var(); |
103 |
|
extern int nowarn; /* turn warnings off? */ |
104 |
|
extern time_t time(); |
105 |
|
|
121 |
|
case 'w': |
122 |
|
nowarn = !nowarn; |
123 |
|
break; |
124 |
+ |
case 's': |
125 |
+ |
silent = !silent; |
126 |
+ |
break; |
127 |
+ |
case 'S': |
128 |
+ |
stereo = !stereo; |
129 |
+ |
break; |
130 |
|
case 'c': |
131 |
|
vwintvl = atoi(argv[++i]); |
132 |
|
break; |
138 |
|
} |
139 |
|
if (i >= argc) |
140 |
|
goto userr; |
141 |
+ |
#ifdef NOSTEREO |
142 |
+ |
if (stereo) |
143 |
+ |
error(INTERNAL, "stereo not supported in this version"); |
144 |
+ |
#endif |
145 |
|
/* run rad and get views */ |
146 |
|
runrad(argc-i, argv+i); |
147 |
|
/* check view */ |
224 |
|
/* set rad commmand */ |
225 |
|
strcpy(radcomm, "rad -w -v 0 "); /* look out below! */ |
226 |
|
cp = radcomm + 19; |
227 |
+ |
if (silent) { |
228 |
+ |
strcpy(cp, "-s "); |
229 |
+ |
cp += 3; |
230 |
+ |
} |
231 |
|
while (ac--) { |
232 |
|
strcpy(cp, *av++); |
233 |
|
while (*cp) cp++; |
250 |
|
expval = pow(2., expval); |
251 |
|
expval *= 0.5; /* compensate for local shading */ |
252 |
|
} |
253 |
+ |
/* look for eye separation */ |
254 |
+ |
if ((cp = scan4var(buf, sizeof(buf), "EYESEP", fp)) != NULL) |
255 |
+ |
eyedist = atof(cp); |
256 |
|
/* look for materials */ |
257 |
|
while ((cp = scan4var(buf, sizeof(buf), "materials", fp)) != NULL) { |
258 |
|
nscenef += wordstring(scene+nscenef, cp); |
293 |
|
/* open options file */ |
294 |
|
if ((fp = fopen(optfile, "r")) == NULL) |
295 |
|
error(SYSTEM, "cannot open options file"); |
296 |
< |
/* get ambient value */ |
296 |
> |
/* get relevant options */ |
297 |
|
while (fgets(buf, sizeof(buf), fp) != NULL) |
298 |
< |
if (!strncmp(buf, "-av ", 4)) { |
298 |
> |
if (!strncmp(buf, "-av ", 4)) |
299 |
|
setcolor(ambval, atof(buf+4), |
300 |
|
atof(sskip2(buf+4,1)), |
301 |
|
atof(sskip2(buf+4,2))); |
302 |
< |
break; |
303 |
< |
} |
302 |
> |
else if (backvis && !strncmp(buf, "-bv", 3) && |
303 |
> |
(!buf[3] || strchr(" 0-FfNn", buf[3]) != NULL)) |
304 |
> |
backvis = 0; |
305 |
|
fclose(fp); |
306 |
|
unlink(optfile); /* delete options file */ |
307 |
|
} |
400 |
|
if (gwind == 0) |
401 |
|
error(SYSTEM, "cannot create window\n"); |
402 |
|
XStoreName(ourdisplay, gwind, id); |
403 |
+ |
#ifndef NOSTEREO |
404 |
+ |
if (stereo) /* check if stereo working */ |
405 |
+ |
switch (XSGIQueryStereoMode(ourdisplay, gwind)) { |
406 |
+ |
case STEREO_TOP: |
407 |
+ |
case STEREO_BOTTOM: |
408 |
+ |
break; |
409 |
+ |
case STEREO_OFF: |
410 |
+ |
error(USER, |
411 |
+ |
"wrong video mode: run \"/usr/gfx/setmon -n STR_TOP\" first"); |
412 |
+ |
case X_STEREO_UNSUPPORTED: |
413 |
+ |
error(USER, "stereo not supported on this screen"); |
414 |
+ |
default: |
415 |
+ |
error(INTERNAL, "unknown stereo mode"); |
416 |
+ |
} |
417 |
+ |
#endif |
418 |
|
/* set window manager hints */ |
419 |
|
ourxwmhints.flags = InputHint|IconPixmapHint; |
420 |
|
ourxwmhints.input = True; |
422 |
|
gwind, glradicon_bits, glradicon_width, glradicon_height); |
423 |
|
XSetWMHints(ourdisplay, gwind, &ourxwmhints); |
424 |
|
oursizhints.min_width = MINWIDTH; |
425 |
< |
oursizhints.min_height = MINHEIGHT; |
425 |
> |
oursizhints.min_height = stereo ? MINHEIGHT/2 : MINHEIGHT; |
426 |
|
oursizhints.flags = PMinSize; |
427 |
|
XSetNormalHints(ourdisplay, gwind, &oursizhints); |
428 |
|
/* set GLX context */ |
446 |
|
DisplayWidth(ourdisplay, ourscreen); |
447 |
|
pheight = (double)DisplayHeightMM(ourdisplay, ourscreen) / |
448 |
|
DisplayHeight(ourdisplay, ourscreen); |
449 |
+ |
if (stereo) { /* set stereo mode */ |
450 |
+ |
setstereobuf(STEREO_BUFFER_LEFT); |
451 |
+ |
pheight *= 2.; |
452 |
+ |
} |
453 |
|
/* map the window */ |
454 |
|
XMapWindow(ourdisplay, gwind); |
455 |
|
do |
562 |
|
|
563 |
|
render() /* render our display list and swap buffers */ |
564 |
|
{ |
565 |
+ |
double d; |
566 |
+ |
|
567 |
|
if (!mapped) |
568 |
|
return; |
569 |
|
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); |
570 |
|
glCallList(displist); |
571 |
+ |
if (stereo) { /* do right eye for stereo */ |
572 |
+ |
setstereobuf(STEREO_BUFFER_RIGHT); |
573 |
+ |
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); |
574 |
+ |
glMatrixMode(GL_MODELVIEW); |
575 |
+ |
glPushMatrix(); |
576 |
+ |
d = -eyedist / sqrt(thisview.hn2); |
577 |
+ |
glTranslated(d*thisview.hvec[0], d*thisview.hvec[1], |
578 |
+ |
d*thisview.hvec[2]); |
579 |
+ |
glCallList(displist); |
580 |
+ |
glMatrixMode(GL_MODELVIEW); |
581 |
+ |
glPopMatrix(); |
582 |
+ |
setstereobuf(STEREO_BUFFER_LEFT); |
583 |
+ |
} |
584 |
|
glXSwapBuffers(ourdisplay, gwind); /* calls glFlush() */ |
585 |
|
rgl_checkerr("rendering display list"); |
586 |
|
} |
817 |
|
vwnum = 0; |
818 |
|
if (vwnum == currentview) |
819 |
|
return; |
820 |
< |
/* copylastv("change view"); */ |
820 |
> |
copylastv("standard view"); |
821 |
|
dev_view(vwl[currentview=vwnum].v); |
822 |
|
} |
823 |
|
|