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 |
+ |
#include "paths.h" |
32 |
|
#ifdef DOBJ |
33 |
|
#include "rhdobj.h" |
34 |
|
#endif |
82 |
|
|
83 |
|
struct driver odev; /* global device driver structure */ |
84 |
|
|
85 |
+ |
TMstruct *tmGlobal; /* global tone-mapping structure */ |
86 |
+ |
|
87 |
|
char odev_args[64]; /* command arguments */ |
88 |
|
|
89 |
|
static GLfloat *depthbuffer = NULL; /* depth buffer */ |
116 |
|
|
117 |
|
static int viewflags; /* what's happening with view */ |
118 |
|
|
119 |
+ |
/* |
120 |
|
static int resizewindow(), getevent(), getkey(), moveview(), wipeclean(), |
121 |
|
xferdepth(), freedepth(), setglortho(), |
122 |
|
setglpersp(), getframe(), getmove(), fixwindow(), mytmflags(); |
123 |
|
|
124 |
|
static double getdistance(); |
125 |
+ |
*/ |
126 |
+ |
static void checkglerr(char *where); |
127 |
+ |
static void xferdepth(void); |
128 |
+ |
static void freedepth(void); |
129 |
+ |
static double getdistance(int dx, int dy, FVECT direc); |
130 |
+ |
static int mytmflags(void); |
131 |
+ |
static void getevent(void); |
132 |
+ |
static void draw3dline(register FVECT wp[2]); |
133 |
+ |
static void draw_grids(int fore); |
134 |
+ |
static int moveview(int dx, int dy, int mov, int orb); |
135 |
+ |
static void getframe(XButtonPressedEvent *ebut); |
136 |
+ |
static void getmove(XButtonPressedEvent *ebut); |
137 |
+ |
static void getkey(register XKeyPressedEvent *ekey); |
138 |
+ |
static void fixwindow(register XExposeEvent *eexp); |
139 |
+ |
static void resizewindow(register XConfigureEvent *ersz); |
140 |
+ |
static void waitabit(void); |
141 |
+ |
static void setglpersp(void); |
142 |
+ |
static void setglortho(void); |
143 |
+ |
static void wipeclean(void); |
144 |
|
|
145 |
+ |
|
146 |
|
#ifdef STEREO |
147 |
< |
static int pushright(), popright(); |
147 |
> |
static void pushright(void); |
148 |
> |
static void popright(void); |
149 |
|
#endif |
150 |
|
|
151 |
|
extern int gmPortals; /* GL portal list id */ |
153 |
|
extern time_t time(); |
154 |
|
|
155 |
|
|
156 |
+ |
extern void |
157 |
|
dev_open(id) /* initialize GLX driver */ |
158 |
|
char *id; |
159 |
|
{ |
211 |
|
&myprims[BLU][CIEX],&myprims[BLU][CIEY], |
212 |
|
&myprims[WHT][CIEX],&myprims[WHT][CIEY]) >= 6) |
213 |
|
dpri = myprims; |
214 |
< |
if (tmInit(mytmflags(), dpri, gamval) == NULL) |
214 |
> |
tmGlobal = tmInit(mytmflags(), dpri, gamval); |
215 |
> |
if (tmGlobal == NULL) |
216 |
|
error(SYSTEM, "not enough memory in dev_open"); |
217 |
|
/* open window */ |
218 |
|
ourwinattr.background_pixel = ourblack; |
271 |
|
setstereobuf(STEREO_BUFFER_LEFT); |
272 |
|
#endif |
273 |
|
checkglerr("setting rendering parameters"); |
274 |
< |
copystruct(&odev.v, &stdview); |
274 |
> |
odev.v = stdview; |
275 |
|
odev.v.type = VT_PER; |
276 |
|
viewflags = VWSTEADY; /* view starts static */ |
277 |
|
/* map the window */ |
286 |
|
} |
287 |
|
|
288 |
|
|
289 |
< |
dev_close() /* close our display and free resources */ |
289 |
> |
extern void |
290 |
> |
dev_close(void) /* close our display and free resources */ |
291 |
|
{ |
292 |
|
#ifdef DOBJ |
293 |
|
dobj_cleanup(); |
302 |
|
gwind = 0; |
303 |
|
XCloseDisplay(ourdisplay); |
304 |
|
ourdisplay = NULL; |
305 |
< |
tmDone(NULL); |
305 |
> |
tmDone(tmGlobal); |
306 |
|
odev.v.type = 0; |
307 |
|
odev.hres = odev.vres = 0; |
308 |
|
odev.ifd = -1; |
309 |
|
} |
310 |
|
|
311 |
|
|
312 |
< |
dev_clear() /* clear our representation */ |
312 |
> |
extern void |
313 |
> |
dev_clear(void) /* clear our representation */ |
314 |
|
{ |
315 |
|
viewflags |= VWCHANGE; /* pretend our view has changed */ |
316 |
|
wipeclean(); /* clean off display and samples */ |
319 |
|
} |
320 |
|
|
321 |
|
|
322 |
< |
int |
323 |
< |
dev_view(nv) /* assign new driver view */ |
324 |
< |
register VIEW *nv; |
322 |
> |
extern int |
323 |
> |
dev_view( /* assign new driver view */ |
324 |
> |
register VIEW *nv |
325 |
> |
) |
326 |
|
{ |
296 |
– |
double d; |
297 |
– |
|
327 |
|
if (nv->type != VT_PER || /* check view legality */ |
328 |
|
nv->horiz > 160. || nv->vert > 160.) { |
329 |
|
error(COMMAND, "illegal view type/angle"); |
359 |
|
XResizeWindow(ourdisplay, gwind, odev.hres, odev.vres); |
360 |
|
dev_input(); /* get resize event */ |
361 |
|
} |
362 |
< |
copystruct(&odev.v, nv); /* setview() already called */ |
362 |
> |
odev.v = *nv; /* setview() already called */ |
363 |
|
viewflags |= VWCHANGE; |
364 |
|
} |
365 |
|
#ifdef STEREO |
366 |
< |
copystruct(&vwright, nv); |
366 |
> |
vwright = *nv; |
367 |
|
d = eyesepdist / sqrt(nv->hn2); |
368 |
|
VSUM(vwright.vp, nv->vp, nv->hvec, d); |
369 |
|
/* setview(&vwright); -- Unnecessary */ |
373 |
|
} |
374 |
|
|
375 |
|
|
376 |
< |
dev_section(gfn, pfn) /* add octree for geometry rendering */ |
377 |
< |
char *gfn, *pfn; |
376 |
> |
extern void |
377 |
> |
dev_section( /* add octree for geometry rendering */ |
378 |
> |
char *gfn, |
379 |
> |
char *pfn |
380 |
> |
) |
381 |
|
{ |
350 |
– |
extern char *index(); |
351 |
– |
char *cp; |
352 |
– |
|
382 |
|
if (gfn == NULL) { |
383 |
|
gmEndGeom(); |
384 |
|
gmEndPortal(); |
398 |
|
} |
399 |
|
|
400 |
|
|
401 |
< |
dev_auxcom(cmd, args) /* process an auxiliary command */ |
402 |
< |
char *cmd, *args; |
401 |
> |
extern void |
402 |
> |
dev_auxcom( /* process an auxiliary command */ |
403 |
> |
char *cmd, |
404 |
> |
char *args |
405 |
> |
) |
406 |
|
{ |
407 |
|
#ifdef DOBJ |
408 |
|
int vischange; |
420 |
|
} |
421 |
|
|
422 |
|
|
423 |
< |
VIEW * |
424 |
< |
dev_auxview(n, hvres) /* return nth auxiliary view */ |
425 |
< |
int n; |
426 |
< |
int hvres[2]; |
423 |
> |
extern VIEW * |
424 |
> |
dev_auxview( /* return nth auxiliary view */ |
425 |
> |
int n, |
426 |
> |
int hvres[2] |
427 |
> |
) |
428 |
|
{ |
429 |
|
hvres[0] = odev.hres; hvres[1] = odev.vres; |
430 |
|
if (n == 0) |
437 |
|
} |
438 |
|
|
439 |
|
|
440 |
< |
int |
441 |
< |
dev_input() /* get X11 input */ |
440 |
> |
extern int |
441 |
> |
dev_input(void) /* get X11 input */ |
442 |
|
{ |
443 |
|
inpresflags = 0; |
444 |
|
|
453 |
|
} |
454 |
|
|
455 |
|
|
456 |
< |
dev_value(c, d, p) /* add a pixel value to our texture */ |
457 |
< |
COLR c; |
458 |
< |
FVECT d, p; |
456 |
> |
extern void |
457 |
> |
dev_value( /* add a pixel value to our texture */ |
458 |
> |
COLR c, |
459 |
> |
FVECT d, |
460 |
> |
FVECT p |
461 |
> |
) |
462 |
|
{ |
463 |
|
#ifdef DOBJ |
464 |
|
if (dobj_lightsamp != NULL) { /* in light source sampling */ |
472 |
|
} |
473 |
|
|
474 |
|
|
475 |
< |
int |
476 |
< |
dev_flush() /* flush output as appropriate */ |
475 |
> |
extern int |
476 |
> |
dev_flush(void) /* flush output as appropriate */ |
477 |
|
{ |
478 |
|
int ndrawn; |
479 |
|
|
519 |
|
} |
520 |
|
|
521 |
|
|
522 |
< |
checkglerr(where) /* check for GL or GLU error */ |
523 |
< |
char *where; |
522 |
> |
static void |
523 |
> |
checkglerr( /* check for GL or GLU error */ |
524 |
> |
char *where |
525 |
> |
) |
526 |
|
{ |
527 |
|
register GLenum errcode; |
528 |
|
|
534 |
|
} |
535 |
|
|
536 |
|
|
537 |
< |
static |
538 |
< |
xferdepth() /* load and clear depth buffer */ |
537 |
> |
static void |
538 |
> |
xferdepth(void) /* load and clear depth buffer */ |
539 |
|
{ |
540 |
|
register GLfloat *dbp; |
541 |
|
register GLubyte *pbuf; |
597 |
|
} |
598 |
|
|
599 |
|
|
600 |
< |
static |
601 |
< |
freedepth() /* free recorded depth buffer */ |
600 |
> |
static void |
601 |
> |
freedepth(void) /* free recorded depth buffer */ |
602 |
|
{ |
603 |
|
if (depthbuffer == NULL) |
604 |
|
return; |
614 |
|
|
615 |
|
|
616 |
|
static double |
617 |
< |
getdistance(dx, dy, direc) /* distance from fore plane along view ray */ |
618 |
< |
int dx, dy; |
619 |
< |
FVECT direc; |
617 |
> |
getdistance( /* distance from fore plane along view ray */ |
618 |
> |
int dx, |
619 |
> |
int dy, |
620 |
> |
FVECT direc |
621 |
> |
) |
622 |
|
{ |
623 |
|
GLfloat gldepth; |
624 |
|
double dist; |
625 |
|
|
626 |
< |
if (dx<0 | dx>=odev.hres | dy<0 | dy>=odev.vres) |
626 |
> |
if ((dx<0) | (dx>=odev.hres) | (dy<0) | (dy>=odev.vres)) |
627 |
|
return(FHUGE); |
628 |
|
if (depthbuffer != NULL) |
629 |
|
dist = depthbuffer[dy*odev.hres + dx]; |
630 |
|
else { |
631 |
|
glReadPixels(dx,dy, 1,1, GL_DEPTH_COMPONENT, |
632 |
|
GL_FLOAT, &gldepth); |
633 |
+ |
if (gldepth <= FTINY) |
634 |
+ |
return (FHUGE); /* call failed */ |
635 |
|
dist = mapdepth(gldepth); |
636 |
|
} |
637 |
|
if (dist >= .99*FHUGE) |
641 |
|
|
642 |
|
|
643 |
|
#ifdef STEREO |
644 |
< |
static |
645 |
< |
pushright() /* push on right view & buffer */ |
644 |
> |
static void |
645 |
> |
pushright(void) /* push on right view & buffer */ |
646 |
|
{ |
647 |
|
double d; |
648 |
|
|
658 |
|
} |
659 |
|
|
660 |
|
|
661 |
< |
static |
662 |
< |
popright() /* pop off right view & buffer */ |
661 |
> |
static void |
662 |
> |
popright(void) /* pop off right view & buffer */ |
663 |
|
{ |
664 |
|
if (viewflags & VWPERSP) { |
665 |
|
glMatrixMode(GL_MODELVIEW); |
671 |
|
|
672 |
|
|
673 |
|
static int |
674 |
< |
mytmflags() /* figure out tone mapping flags */ |
674 |
> |
mytmflags(void) /* figure out tone mapping flags */ |
675 |
|
{ |
676 |
|
extern char *progname; |
677 |
|
register char *cp, *tail; |
695 |
|
} |
696 |
|
|
697 |
|
|
698 |
< |
static |
699 |
< |
getevent() /* get next event */ |
698 |
> |
static void |
699 |
> |
getevent(void) /* get next event */ |
700 |
|
{ |
701 |
|
XNextEvent(ourdisplay, levptr(XEvent)); |
702 |
|
switch (levptr(XEvent)->type) { |
726 |
|
} |
727 |
|
|
728 |
|
|
729 |
< |
static |
730 |
< |
draw3dline(wp) /* draw 3d line in world coordinates */ |
731 |
< |
register FVECT wp[2]; |
729 |
> |
static void |
730 |
> |
draw3dline( /* draw 3d line in world coordinates */ |
731 |
> |
register FVECT wp[2] |
732 |
> |
) |
733 |
|
{ |
734 |
|
glVertex3d(wp[0][0], wp[0][1], wp[0][2]); |
735 |
|
glVertex3d(wp[1][0], wp[1][1], wp[1][2]); |
736 |
|
} |
737 |
|
|
738 |
|
|
739 |
< |
static |
740 |
< |
draw_grids(fore) /* draw holodeck section grids */ |
741 |
< |
int fore; |
739 |
> |
static void |
740 |
> |
draw_grids( /* draw holodeck section grids */ |
741 |
> |
int fore |
742 |
> |
) |
743 |
|
{ |
744 |
|
glPushAttrib(GL_LIGHTING_BIT|GL_ENABLE_BIT); |
745 |
|
glDisable(GL_LIGHTING); |
755 |
|
} |
756 |
|
|
757 |
|
|
758 |
< |
static |
759 |
< |
moveview(dx, dy, mov, orb) /* move our view */ |
760 |
< |
int dx, dy, mov, orb; |
758 |
> |
static int |
759 |
> |
moveview( /* move our view */ |
760 |
> |
int dx, |
761 |
> |
int dy, |
762 |
> |
int mov, |
763 |
> |
int orb |
764 |
> |
) |
765 |
|
{ |
766 |
|
VIEW nv; |
767 |
|
FVECT odir, v1, wip; |
768 |
|
double d, d1; |
721 |
– |
register int li; |
769 |
|
/* start with old view */ |
770 |
< |
copystruct(&nv, &odev.v); |
770 |
> |
nv = odev.v; |
771 |
|
/* orient our motion */ |
772 |
|
if (viewray(v1, odir, &odev.v, |
773 |
|
(dx+.5)/odev.hres, (dy+.5)/odev.vres) < -FTINY) |
813 |
|
} |
814 |
|
|
815 |
|
|
816 |
< |
static |
817 |
< |
getframe(ebut) /* get focus frame */ |
818 |
< |
XButtonPressedEvent *ebut; |
816 |
> |
static void |
817 |
> |
getframe( /* get focus frame */ |
818 |
> |
XButtonPressedEvent *ebut |
819 |
> |
) |
820 |
|
{ |
821 |
|
int startx = ebut->x, starty = ebut->y; |
822 |
|
int endx, endy; |
824 |
|
XMaskEvent(ourdisplay, ButtonReleaseMask, levptr(XEvent)); |
825 |
|
endx = levptr(XButtonReleasedEvent)->x; |
826 |
|
endy = levptr(XButtonReleasedEvent)->y; |
827 |
< |
if (endx == startx | endy == starty) { |
827 |
> |
if ((endx == startx) | (endy == starty)) { |
828 |
|
XBell(ourdisplay, 0); |
829 |
|
return; |
830 |
|
} |
837 |
|
} |
838 |
|
|
839 |
|
|
840 |
< |
static |
841 |
< |
waitabit() /* pause a moment */ |
840 |
> |
static void |
841 |
> |
waitabit(void) /* pause a moment */ |
842 |
|
{ |
843 |
|
struct timespec ts; |
844 |
|
ts.tv_sec = 0; |
845 |
< |
ts.tv_nsec = 5000000; |
845 |
> |
ts.tv_nsec = 100000000L; |
846 |
|
nanosleep(&ts, NULL); |
847 |
|
} |
848 |
|
|
849 |
|
|
850 |
< |
static |
851 |
< |
getmove(ebut) /* get view change */ |
852 |
< |
XButtonPressedEvent *ebut; |
850 |
> |
static void |
851 |
> |
getmove( /* get view change */ |
852 |
> |
XButtonPressedEvent *ebut |
853 |
> |
) |
854 |
|
{ |
855 |
|
int movdir = MOVDIR(ebut->button); |
856 |
|
int movorb = MOVORB(ebut->state); |
905 |
|
} |
906 |
|
|
907 |
|
|
908 |
< |
static |
909 |
< |
setglpersp() /* set perspective view in GL */ |
908 |
> |
static void |
909 |
> |
setglpersp(void) /* set perspective view in GL */ |
910 |
|
{ |
911 |
|
double d, xmin, xmax, ymin, ymax; |
912 |
|
GLfloat vec[4]; |
967 |
|
} |
968 |
|
|
969 |
|
|
970 |
< |
static |
971 |
< |
setglortho() /* set up orthographic view for cone drawing */ |
970 |
> |
static void |
971 |
> |
setglortho(void) /* set up orthographic view for cone drawing */ |
972 |
|
{ |
973 |
|
glDrawBuffer(GL_FRONT); /* use single-buffer mode */ |
974 |
|
/* set view matrix */ |
984 |
|
} |
985 |
|
|
986 |
|
|
987 |
< |
static |
988 |
< |
wipeclean() /* prepare for redraw */ |
987 |
> |
static void |
988 |
> |
wipeclean(void) /* prepare for redraw */ |
989 |
|
{ |
990 |
|
glDrawBuffer(GL_BACK); /* use double-buffer mode */ |
991 |
|
glReadBuffer(GL_BACK); |
1007 |
|
} |
1008 |
|
|
1009 |
|
|
1010 |
< |
static |
1011 |
< |
getkey(ekey) /* get input key */ |
1012 |
< |
register XKeyPressedEvent *ekey; |
1010 |
> |
static void |
1011 |
> |
getkey( /* get input key */ |
1012 |
> |
register XKeyPressedEvent *ekey |
1013 |
> |
) |
1014 |
|
{ |
1015 |
|
Window rootw, childw; |
1016 |
|
int rootx, rooty, wx, wy; |
1091 |
|
} |
1092 |
|
|
1093 |
|
|
1094 |
< |
static |
1095 |
< |
fixwindow(eexp) /* repair damage to window */ |
1096 |
< |
register XExposeEvent *eexp; |
1094 |
> |
static void |
1095 |
> |
fixwindow( /* repair damage to window */ |
1096 |
> |
register XExposeEvent *eexp |
1097 |
> |
) |
1098 |
|
{ |
1099 |
|
int xmin, ymin, xmax, ymax; |
1100 |
|
|
1101 |
< |
if (odev.hres == 0 | odev.vres == 0) { /* first exposure */ |
1101 |
> |
if ((odev.hres == 0) | (odev.vres == 0)) { /* first exposure */ |
1102 |
|
resizewindow((XConfigureEvent *)eexp); |
1103 |
|
return; |
1104 |
|
} |
1137 |
|
} |
1138 |
|
|
1139 |
|
|
1140 |
< |
static |
1141 |
< |
resizewindow(ersz) /* resize window */ |
1142 |
< |
register XConfigureEvent *ersz; |
1140 |
> |
static void |
1141 |
> |
resizewindow( /* resize window */ |
1142 |
> |
register XConfigureEvent *ersz |
1143 |
> |
) |
1144 |
|
{ |
1145 |
|
glViewport(0, 0, ersz->width, ersz->height); |
1146 |
|
|