17 |
|
#endif |
18 |
|
#endif |
19 |
|
|
20 |
– |
#include "standard.h" |
20 |
|
|
21 |
+ |
#include <time.h> |
22 |
|
#include <GL/glx.h> |
23 |
|
#include <GL/glu.h> |
24 |
|
#ifdef STEREO |
25 |
|
#include <X11/extensions/SGIStereo.h> |
26 |
|
#endif |
27 |
– |
#include <time.h> |
27 |
|
|
28 |
+ |
#include "standard.h" |
29 |
|
#include "rhd_odraw.h" |
30 |
+ |
#include "rhdisp.h" |
31 |
|
#ifdef DOBJ |
32 |
|
#include "rhdobj.h" |
33 |
|
#endif |
113 |
|
|
114 |
|
static int viewflags; /* what's happening with view */ |
115 |
|
|
116 |
+ |
/* |
117 |
|
static int resizewindow(), getevent(), getkey(), moveview(), wipeclean(), |
118 |
|
xferdepth(), freedepth(), setglortho(), |
119 |
|
setglpersp(), getframe(), getmove(), fixwindow(), mytmflags(); |
120 |
|
|
121 |
|
static double getdistance(); |
122 |
+ |
*/ |
123 |
+ |
static void checkglerr(char *where); |
124 |
+ |
static void xferdepth(void); |
125 |
+ |
static void freedepth(void); |
126 |
+ |
static double getdistance(int dx, int dy, FVECT direc); |
127 |
+ |
static int mytmflags(void); |
128 |
+ |
static void getevent(void); |
129 |
+ |
static void draw3dline(register FVECT wp[2]); |
130 |
+ |
static void draw_grids(int fore); |
131 |
+ |
static int moveview(int dx, int dy, int mov, int orb); |
132 |
+ |
static void getframe(XButtonPressedEvent *ebut); |
133 |
+ |
static void getmove(XButtonPressedEvent *ebut); |
134 |
+ |
static void getkey(register XKeyPressedEvent *ekey); |
135 |
+ |
static void fixwindow(register XExposeEvent *eexp); |
136 |
+ |
static void resizewindow(register XConfigureEvent *ersz); |
137 |
+ |
static void waitabit(void); |
138 |
+ |
static void setglpersp(void); |
139 |
+ |
static void setglortho(void); |
140 |
+ |
static void wipeclean(void); |
141 |
|
|
142 |
+ |
|
143 |
|
#ifdef STEREO |
144 |
< |
static int pushright(), popright(); |
144 |
> |
static void pushright(void); |
145 |
> |
static void popright(void); |
146 |
|
#endif |
147 |
|
|
148 |
|
extern int gmPortals; /* GL portal list id */ |
150 |
|
extern time_t time(); |
151 |
|
|
152 |
|
|
153 |
+ |
extern void |
154 |
|
dev_open(id) /* initialize GLX driver */ |
155 |
|
char *id; |
156 |
|
{ |
267 |
|
setstereobuf(STEREO_BUFFER_LEFT); |
268 |
|
#endif |
269 |
|
checkglerr("setting rendering parameters"); |
270 |
< |
copystruct(&odev.v, &stdview); |
270 |
> |
odev.v = stdview; |
271 |
|
odev.v.type = VT_PER; |
272 |
|
viewflags = VWSTEADY; /* view starts static */ |
273 |
|
/* map the window */ |
282 |
|
} |
283 |
|
|
284 |
|
|
285 |
< |
dev_close() /* close our display and free resources */ |
285 |
> |
extern void |
286 |
> |
dev_close(void) /* close our display and free resources */ |
287 |
|
{ |
288 |
|
#ifdef DOBJ |
289 |
|
dobj_cleanup(); |
305 |
|
} |
306 |
|
|
307 |
|
|
308 |
< |
dev_clear() /* clear our representation */ |
308 |
> |
extern void |
309 |
> |
dev_clear(void) /* clear our representation */ |
310 |
|
{ |
311 |
|
viewflags |= VWCHANGE; /* pretend our view has changed */ |
312 |
|
wipeclean(); /* clean off display and samples */ |
315 |
|
} |
316 |
|
|
317 |
|
|
318 |
< |
int |
319 |
< |
dev_view(nv) /* assign new driver view */ |
320 |
< |
register VIEW *nv; |
318 |
> |
extern int |
319 |
> |
dev_view( /* assign new driver view */ |
320 |
> |
register VIEW *nv |
321 |
> |
) |
322 |
|
{ |
296 |
– |
double d; |
297 |
– |
|
323 |
|
if (nv->type != VT_PER || /* check view legality */ |
324 |
|
nv->horiz > 160. || nv->vert > 160.) { |
325 |
|
error(COMMAND, "illegal view type/angle"); |
355 |
|
XResizeWindow(ourdisplay, gwind, odev.hres, odev.vres); |
356 |
|
dev_input(); /* get resize event */ |
357 |
|
} |
358 |
< |
copystruct(&odev.v, nv); /* setview() already called */ |
358 |
> |
odev.v = *nv; /* setview() already called */ |
359 |
|
viewflags |= VWCHANGE; |
360 |
|
} |
361 |
|
#ifdef STEREO |
362 |
< |
copystruct(&vwright, nv); |
362 |
> |
vwright = *nv; |
363 |
|
d = eyesepdist / sqrt(nv->hn2); |
364 |
|
VSUM(vwright.vp, nv->vp, nv->hvec, d); |
365 |
|
/* setview(&vwright); -- Unnecessary */ |
369 |
|
} |
370 |
|
|
371 |
|
|
372 |
< |
dev_section(gfn, pfn) /* add octree for geometry rendering */ |
373 |
< |
char *gfn, *pfn; |
372 |
> |
extern void |
373 |
> |
dev_section( /* add octree for geometry rendering */ |
374 |
> |
char *gfn, |
375 |
> |
char *pfn |
376 |
> |
) |
377 |
|
{ |
350 |
– |
char *cp; |
351 |
– |
|
378 |
|
if (gfn == NULL) { |
379 |
|
gmEndGeom(); |
380 |
|
gmEndPortal(); |
394 |
|
} |
395 |
|
|
396 |
|
|
397 |
< |
dev_auxcom(cmd, args) /* process an auxiliary command */ |
398 |
< |
char *cmd, *args; |
397 |
> |
extern void |
398 |
> |
dev_auxcom( /* process an auxiliary command */ |
399 |
> |
char *cmd, |
400 |
> |
char *args |
401 |
> |
) |
402 |
|
{ |
403 |
|
#ifdef DOBJ |
404 |
|
int vischange; |
416 |
|
} |
417 |
|
|
418 |
|
|
419 |
< |
VIEW * |
420 |
< |
dev_auxview(n, hvres) /* return nth auxiliary view */ |
421 |
< |
int n; |
422 |
< |
int hvres[2]; |
419 |
> |
extern VIEW * |
420 |
> |
dev_auxview( /* return nth auxiliary view */ |
421 |
> |
int n, |
422 |
> |
int hvres[2] |
423 |
> |
) |
424 |
|
{ |
425 |
|
hvres[0] = odev.hres; hvres[1] = odev.vres; |
426 |
|
if (n == 0) |
433 |
|
} |
434 |
|
|
435 |
|
|
436 |
< |
int |
437 |
< |
dev_input() /* get X11 input */ |
436 |
> |
extern int |
437 |
> |
dev_input(void) /* get X11 input */ |
438 |
|
{ |
439 |
|
inpresflags = 0; |
440 |
|
|
449 |
|
} |
450 |
|
|
451 |
|
|
452 |
< |
dev_value(c, d, p) /* add a pixel value to our texture */ |
453 |
< |
COLR c; |
454 |
< |
FVECT d, p; |
452 |
> |
extern void |
453 |
> |
dev_value( /* add a pixel value to our texture */ |
454 |
> |
COLR c, |
455 |
> |
FVECT d, |
456 |
> |
FVECT p |
457 |
> |
) |
458 |
|
{ |
459 |
|
#ifdef DOBJ |
460 |
|
if (dobj_lightsamp != NULL) { /* in light source sampling */ |
468 |
|
} |
469 |
|
|
470 |
|
|
471 |
< |
int |
472 |
< |
dev_flush() /* flush output as appropriate */ |
471 |
> |
extern int |
472 |
> |
dev_flush(void) /* flush output as appropriate */ |
473 |
|
{ |
474 |
|
int ndrawn; |
475 |
|
|
515 |
|
} |
516 |
|
|
517 |
|
|
518 |
< |
checkglerr(where) /* check for GL or GLU error */ |
519 |
< |
char *where; |
518 |
> |
static void |
519 |
> |
checkglerr( /* check for GL or GLU error */ |
520 |
> |
char *where |
521 |
> |
) |
522 |
|
{ |
523 |
|
register GLenum errcode; |
524 |
|
|
530 |
|
} |
531 |
|
|
532 |
|
|
533 |
< |
static |
534 |
< |
xferdepth() /* load and clear depth buffer */ |
533 |
> |
static void |
534 |
> |
xferdepth(void) /* load and clear depth buffer */ |
535 |
|
{ |
536 |
|
register GLfloat *dbp; |
537 |
|
register GLubyte *pbuf; |
593 |
|
} |
594 |
|
|
595 |
|
|
596 |
< |
static |
597 |
< |
freedepth() /* free recorded depth buffer */ |
596 |
> |
static void |
597 |
> |
freedepth(void) /* free recorded depth buffer */ |
598 |
|
{ |
599 |
|
if (depthbuffer == NULL) |
600 |
|
return; |
610 |
|
|
611 |
|
|
612 |
|
static double |
613 |
< |
getdistance(dx, dy, direc) /* distance from fore plane along view ray */ |
614 |
< |
int dx, dy; |
615 |
< |
FVECT direc; |
613 |
> |
getdistance( /* distance from fore plane along view ray */ |
614 |
> |
int dx, |
615 |
> |
int dy, |
616 |
> |
FVECT direc |
617 |
> |
) |
618 |
|
{ |
619 |
|
GLfloat gldepth; |
620 |
|
double dist; |
621 |
|
|
622 |
< |
if (dx<0 | dx>=odev.hres | dy<0 | dy>=odev.vres) |
622 |
> |
if ((dx<0) | (dx>=odev.hres) | (dy<0) | (dy>=odev.vres)) |
623 |
|
return(FHUGE); |
624 |
|
if (depthbuffer != NULL) |
625 |
|
dist = depthbuffer[dy*odev.hres + dx]; |
626 |
|
else { |
627 |
|
glReadPixels(dx,dy, 1,1, GL_DEPTH_COMPONENT, |
628 |
|
GL_FLOAT, &gldepth); |
629 |
+ |
if (gldepth <= FTINY) |
630 |
+ |
return (FHUGE); /* call failed */ |
631 |
|
dist = mapdepth(gldepth); |
632 |
|
} |
633 |
|
if (dist >= .99*FHUGE) |
637 |
|
|
638 |
|
|
639 |
|
#ifdef STEREO |
640 |
< |
static |
641 |
< |
pushright() /* push on right view & buffer */ |
640 |
> |
static void |
641 |
> |
pushright(void) /* push on right view & buffer */ |
642 |
|
{ |
643 |
|
double d; |
644 |
|
|
654 |
|
} |
655 |
|
|
656 |
|
|
657 |
< |
static |
658 |
< |
popright() /* pop off right view & buffer */ |
657 |
> |
static void |
658 |
> |
popright(void) /* pop off right view & buffer */ |
659 |
|
{ |
660 |
|
if (viewflags & VWPERSP) { |
661 |
|
glMatrixMode(GL_MODELVIEW); |
667 |
|
|
668 |
|
|
669 |
|
static int |
670 |
< |
mytmflags() /* figure out tone mapping flags */ |
670 |
> |
mytmflags(void) /* figure out tone mapping flags */ |
671 |
|
{ |
672 |
|
extern char *progname; |
673 |
|
register char *cp, *tail; |
691 |
|
} |
692 |
|
|
693 |
|
|
694 |
< |
static |
695 |
< |
getevent() /* get next event */ |
694 |
> |
static void |
695 |
> |
getevent(void) /* get next event */ |
696 |
|
{ |
697 |
|
XNextEvent(ourdisplay, levptr(XEvent)); |
698 |
|
switch (levptr(XEvent)->type) { |
722 |
|
} |
723 |
|
|
724 |
|
|
725 |
< |
static |
726 |
< |
draw3dline(wp) /* draw 3d line in world coordinates */ |
727 |
< |
register FVECT wp[2]; |
725 |
> |
static void |
726 |
> |
draw3dline( /* draw 3d line in world coordinates */ |
727 |
> |
register FVECT wp[2] |
728 |
> |
) |
729 |
|
{ |
730 |
|
glVertex3d(wp[0][0], wp[0][1], wp[0][2]); |
731 |
|
glVertex3d(wp[1][0], wp[1][1], wp[1][2]); |
732 |
|
} |
733 |
|
|
734 |
|
|
735 |
< |
static |
736 |
< |
draw_grids(fore) /* draw holodeck section grids */ |
737 |
< |
int fore; |
735 |
> |
static void |
736 |
> |
draw_grids( /* draw holodeck section grids */ |
737 |
> |
int fore |
738 |
> |
) |
739 |
|
{ |
740 |
|
glPushAttrib(GL_LIGHTING_BIT|GL_ENABLE_BIT); |
741 |
|
glDisable(GL_LIGHTING); |
751 |
|
} |
752 |
|
|
753 |
|
|
754 |
< |
static |
755 |
< |
moveview(dx, dy, mov, orb) /* move our view */ |
756 |
< |
int dx, dy, mov, orb; |
754 |
> |
static int |
755 |
> |
moveview( /* move our view */ |
756 |
> |
int dx, |
757 |
> |
int dy, |
758 |
> |
int mov, |
759 |
> |
int orb |
760 |
> |
) |
761 |
|
{ |
762 |
|
VIEW nv; |
763 |
|
FVECT odir, v1, wip; |
764 |
|
double d, d1; |
720 |
– |
register int li; |
765 |
|
/* start with old view */ |
766 |
< |
copystruct(&nv, &odev.v); |
766 |
> |
nv = odev.v; |
767 |
|
/* orient our motion */ |
768 |
|
if (viewray(v1, odir, &odev.v, |
769 |
|
(dx+.5)/odev.hres, (dy+.5)/odev.vres) < -FTINY) |
809 |
|
} |
810 |
|
|
811 |
|
|
812 |
< |
static |
813 |
< |
getframe(ebut) /* get focus frame */ |
814 |
< |
XButtonPressedEvent *ebut; |
812 |
> |
static void |
813 |
> |
getframe( /* get focus frame */ |
814 |
> |
XButtonPressedEvent *ebut |
815 |
> |
) |
816 |
|
{ |
817 |
|
int startx = ebut->x, starty = ebut->y; |
818 |
|
int endx, endy; |
820 |
|
XMaskEvent(ourdisplay, ButtonReleaseMask, levptr(XEvent)); |
821 |
|
endx = levptr(XButtonReleasedEvent)->x; |
822 |
|
endy = levptr(XButtonReleasedEvent)->y; |
823 |
< |
if (endx == startx | endy == starty) { |
823 |
> |
if ((endx == startx) | (endy == starty)) { |
824 |
|
XBell(ourdisplay, 0); |
825 |
|
return; |
826 |
|
} |
833 |
|
} |
834 |
|
|
835 |
|
|
836 |
< |
static |
837 |
< |
waitabit() /* pause a moment */ |
836 |
> |
static void |
837 |
> |
waitabit(void) /* pause a moment */ |
838 |
|
{ |
839 |
|
struct timespec ts; |
840 |
|
ts.tv_sec = 0; |
841 |
< |
ts.tv_nsec = 50000000; |
841 |
> |
ts.tv_nsec = 100000000L; |
842 |
|
nanosleep(&ts, NULL); |
843 |
|
} |
844 |
|
|
845 |
|
|
846 |
< |
static |
847 |
< |
getmove(ebut) /* get view change */ |
848 |
< |
XButtonPressedEvent *ebut; |
846 |
> |
static void |
847 |
> |
getmove( /* get view change */ |
848 |
> |
XButtonPressedEvent *ebut |
849 |
> |
) |
850 |
|
{ |
851 |
|
int movdir = MOVDIR(ebut->button); |
852 |
|
int movorb = MOVORB(ebut->state); |
901 |
|
} |
902 |
|
|
903 |
|
|
904 |
< |
static |
905 |
< |
setglpersp() /* set perspective view in GL */ |
904 |
> |
static void |
905 |
> |
setglpersp(void) /* set perspective view in GL */ |
906 |
|
{ |
907 |
|
double d, xmin, xmax, ymin, ymax; |
908 |
|
GLfloat vec[4]; |
963 |
|
} |
964 |
|
|
965 |
|
|
966 |
< |
static |
967 |
< |
setglortho() /* set up orthographic view for cone drawing */ |
966 |
> |
static void |
967 |
> |
setglortho(void) /* set up orthographic view for cone drawing */ |
968 |
|
{ |
969 |
|
glDrawBuffer(GL_FRONT); /* use single-buffer mode */ |
970 |
|
/* set view matrix */ |
980 |
|
} |
981 |
|
|
982 |
|
|
983 |
< |
static |
984 |
< |
wipeclean() /* prepare for redraw */ |
983 |
> |
static void |
984 |
> |
wipeclean(void) /* prepare for redraw */ |
985 |
|
{ |
986 |
|
glDrawBuffer(GL_BACK); /* use double-buffer mode */ |
987 |
|
glReadBuffer(GL_BACK); |
1003 |
|
} |
1004 |
|
|
1005 |
|
|
1006 |
< |
static |
1007 |
< |
getkey(ekey) /* get input key */ |
1008 |
< |
register XKeyPressedEvent *ekey; |
1006 |
> |
static void |
1007 |
> |
getkey( /* get input key */ |
1008 |
> |
register XKeyPressedEvent *ekey |
1009 |
> |
) |
1010 |
|
{ |
1011 |
|
Window rootw, childw; |
1012 |
|
int rootx, rooty, wx, wy; |
1087 |
|
} |
1088 |
|
|
1089 |
|
|
1090 |
< |
static |
1091 |
< |
fixwindow(eexp) /* repair damage to window */ |
1092 |
< |
register XExposeEvent *eexp; |
1090 |
> |
static void |
1091 |
> |
fixwindow( /* repair damage to window */ |
1092 |
> |
register XExposeEvent *eexp |
1093 |
> |
) |
1094 |
|
{ |
1095 |
|
int xmin, ymin, xmax, ymax; |
1096 |
|
|
1097 |
< |
if (odev.hres == 0 | odev.vres == 0) { /* first exposure */ |
1097 |
> |
if ((odev.hres == 0) | (odev.vres == 0)) { /* first exposure */ |
1098 |
|
resizewindow((XConfigureEvent *)eexp); |
1099 |
|
return; |
1100 |
|
} |
1133 |
|
} |
1134 |
|
|
1135 |
|
|
1136 |
< |
static |
1137 |
< |
resizewindow(ersz) /* resize window */ |
1138 |
< |
register XConfigureEvent *ersz; |
1136 |
> |
static void |
1137 |
> |
resizewindow( /* resize window */ |
1138 |
> |
register XConfigureEvent *ersz |
1139 |
> |
) |
1140 |
|
{ |
1141 |
|
glViewport(0, 0, ersz->width, ersz->height); |
1142 |
|
|