| 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(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(XKeyPressedEvent *ekey); |
| 138 |
+ |
static void fixwindow(XExposeEvent *eexp); |
| 139 |
+ |
static void resizewindow(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 |
+ |
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; |
| 235 |
|
/* set window manager hints */ |
| 236 |
|
ourxwmhints.flags = InputHint|IconPixmapHint; |
| 237 |
|
ourxwmhints.input = True; |
| 238 |
< |
ourxwmhints.icon_pixmap = XCreateBitmapFromData(ourdisplay, |
| 239 |
< |
gwind, x11icon_bits, x11icon_width, x11icon_height); |
| 238 |
> |
ourxwmhints.icon_pixmap = XCreateBitmapFromData(ourdisplay, gwind, |
| 239 |
> |
(char *)x11icon_bits, x11icon_width, x11icon_height); |
| 240 |
|
XSetWMHints(ourdisplay, gwind, &ourxwmhints); |
| 241 |
|
oursizhints.min_width = MINWIDTH; |
| 242 |
|
#ifdef STEREO |
| 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 |
> |
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 |
> |
void |
| 313 |
> |
dev_clear(void) /* clear our representation */ |
| 314 |
|
{ |
| 315 |
|
viewflags |= VWCHANGE; /* pretend our view has changed */ |
| 316 |
|
wipeclean(); /* clean off display and samples */ |
| 320 |
|
|
| 321 |
|
|
| 322 |
|
int |
| 323 |
< |
dev_view(nv) /* assign new driver view */ |
| 324 |
< |
register VIEW *nv; |
| 323 |
> |
dev_view( /* assign new driver view */ |
| 324 |
> |
VIEW *nv |
| 325 |
> |
) |
| 326 |
|
{ |
| 327 |
+ |
#ifdef STEREO |
| 328 |
|
double d; |
| 329 |
< |
|
| 329 |
> |
#endif |
| 330 |
|
if (nv->type != VT_PER || /* check view legality */ |
| 331 |
|
nv->horiz > 160. || nv->vert > 160.) { |
| 332 |
|
error(COMMAND, "illegal view type/angle"); |
| 362 |
|
XResizeWindow(ourdisplay, gwind, odev.hres, odev.vres); |
| 363 |
|
dev_input(); /* get resize event */ |
| 364 |
|
} |
| 365 |
< |
copystruct(&odev.v, nv); /* setview() already called */ |
| 365 |
> |
odev.v = *nv; /* setview() already called */ |
| 366 |
|
viewflags |= VWCHANGE; |
| 367 |
|
} |
| 368 |
|
#ifdef STEREO |
| 369 |
< |
copystruct(&vwright, nv); |
| 369 |
> |
vwright = *nv; |
| 370 |
|
d = eyesepdist / sqrt(nv->hn2); |
| 371 |
|
VSUM(vwright.vp, nv->vp, nv->hvec, d); |
| 372 |
|
/* setview(&vwright); -- Unnecessary */ |
| 376 |
|
} |
| 377 |
|
|
| 378 |
|
|
| 379 |
< |
dev_section(gfn, pfn) /* add octree for geometry rendering */ |
| 380 |
< |
char *gfn, *pfn; |
| 379 |
> |
void |
| 380 |
> |
dev_section( /* add octree for geometry rendering */ |
| 381 |
> |
char *gfn, |
| 382 |
> |
char *pfn |
| 383 |
> |
) |
| 384 |
|
{ |
| 350 |
– |
char *cp; |
| 351 |
– |
|
| 385 |
|
if (gfn == NULL) { |
| 386 |
|
gmEndGeom(); |
| 387 |
|
gmEndPortal(); |
| 401 |
|
} |
| 402 |
|
|
| 403 |
|
|
| 404 |
< |
dev_auxcom(cmd, args) /* process an auxiliary command */ |
| 405 |
< |
char *cmd, *args; |
| 404 |
> |
void |
| 405 |
> |
dev_auxcom( /* process an auxiliary command */ |
| 406 |
> |
char *cmd, |
| 407 |
> |
char *args |
| 408 |
> |
) |
| 409 |
|
{ |
| 410 |
|
#ifdef DOBJ |
| 411 |
|
int vischange; |
| 424 |
|
|
| 425 |
|
|
| 426 |
|
VIEW * |
| 427 |
< |
dev_auxview(n, hvres) /* return nth auxiliary view */ |
| 428 |
< |
int n; |
| 429 |
< |
int hvres[2]; |
| 427 |
> |
dev_auxview( /* return nth auxiliary view */ |
| 428 |
> |
int n, |
| 429 |
> |
int hvres[2] |
| 430 |
> |
) |
| 431 |
|
{ |
| 432 |
|
hvres[0] = odev.hres; hvres[1] = odev.vres; |
| 433 |
|
if (n == 0) |
| 441 |
|
|
| 442 |
|
|
| 443 |
|
int |
| 444 |
< |
dev_input() /* get X11 input */ |
| 444 |
> |
dev_input(void) /* get X11 input */ |
| 445 |
|
{ |
| 446 |
|
inpresflags = 0; |
| 447 |
|
|
| 456 |
|
} |
| 457 |
|
|
| 458 |
|
|
| 459 |
< |
dev_value(c, d, p) /* add a pixel value to our texture */ |
| 460 |
< |
COLR c; |
| 461 |
< |
FVECT d, p; |
| 459 |
> |
void |
| 460 |
> |
dev_value( /* add a pixel value to our texture */ |
| 461 |
> |
COLR c, |
| 462 |
> |
FVECT d, |
| 463 |
> |
FVECT p |
| 464 |
> |
) |
| 465 |
|
{ |
| 466 |
|
#ifdef DOBJ |
| 467 |
|
if (dobj_lightsamp != NULL) { /* in light source sampling */ |
| 476 |
|
|
| 477 |
|
|
| 478 |
|
int |
| 479 |
< |
dev_flush() /* flush output as appropriate */ |
| 479 |
> |
dev_flush(void) /* flush output as appropriate */ |
| 480 |
|
{ |
| 481 |
|
int ndrawn; |
| 482 |
|
|
| 522 |
|
} |
| 523 |
|
|
| 524 |
|
|
| 525 |
< |
checkglerr(where) /* check for GL or GLU error */ |
| 526 |
< |
char *where; |
| 525 |
> |
static void |
| 526 |
> |
checkglerr( /* check for GL or GLU error */ |
| 527 |
> |
char *where |
| 528 |
> |
) |
| 529 |
|
{ |
| 530 |
< |
register GLenum errcode; |
| 530 |
> |
GLenum errcode; |
| 531 |
|
|
| 532 |
|
while ((errcode = glGetError()) != GL_NO_ERROR) { |
| 533 |
|
sprintf(errmsg, "OpenGL error %s: %s", |
| 537 |
|
} |
| 538 |
|
|
| 539 |
|
|
| 540 |
< |
static |
| 541 |
< |
xferdepth() /* load and clear depth buffer */ |
| 540 |
> |
static void |
| 541 |
> |
xferdepth(void) /* load and clear depth buffer */ |
| 542 |
|
{ |
| 543 |
< |
register GLfloat *dbp; |
| 544 |
< |
register GLubyte *pbuf; |
| 543 |
> |
GLfloat *dbp; |
| 544 |
> |
GLubyte *pbuf; |
| 545 |
|
|
| 546 |
|
if (depthbuffer == NULL) { /* allocate private depth buffer */ |
| 547 |
|
#ifdef STEREO |
| 600 |
|
} |
| 601 |
|
|
| 602 |
|
|
| 603 |
< |
static |
| 604 |
< |
freedepth() /* free recorded depth buffer */ |
| 603 |
> |
static void |
| 604 |
> |
freedepth(void) /* free recorded depth buffer */ |
| 605 |
|
{ |
| 606 |
|
if (depthbuffer == NULL) |
| 607 |
|
return; |
| 617 |
|
|
| 618 |
|
|
| 619 |
|
static double |
| 620 |
< |
getdistance(dx, dy, direc) /* distance from fore plane along view ray */ |
| 621 |
< |
int dx, dy; |
| 622 |
< |
FVECT direc; |
| 620 |
> |
getdistance( /* distance from fore plane along view ray */ |
| 621 |
> |
int dx, |
| 622 |
> |
int dy, |
| 623 |
> |
FVECT direc |
| 624 |
> |
) |
| 625 |
|
{ |
| 626 |
|
GLfloat gldepth; |
| 627 |
|
double dist; |
| 628 |
|
|
| 629 |
< |
if (dx<0 | dx>=odev.hres | dy<0 | dy>=odev.vres) |
| 629 |
> |
if ((dx<0) | (dx>=odev.hres) | (dy<0) | (dy>=odev.vres)) |
| 630 |
|
return(FHUGE); |
| 631 |
|
if (depthbuffer != NULL) |
| 632 |
|
dist = depthbuffer[dy*odev.hres + dx]; |
| 633 |
|
else { |
| 634 |
|
glReadPixels(dx,dy, 1,1, GL_DEPTH_COMPONENT, |
| 635 |
|
GL_FLOAT, &gldepth); |
| 636 |
+ |
if (gldepth <= FTINY) |
| 637 |
+ |
return (FHUGE); /* call failed */ |
| 638 |
|
dist = mapdepth(gldepth); |
| 639 |
|
} |
| 640 |
|
if (dist >= .99*FHUGE) |
| 644 |
|
|
| 645 |
|
|
| 646 |
|
#ifdef STEREO |
| 647 |
< |
static |
| 648 |
< |
pushright() /* push on right view & buffer */ |
| 647 |
> |
static void |
| 648 |
> |
pushright(void) /* push on right view & buffer */ |
| 649 |
|
{ |
| 650 |
|
double d; |
| 651 |
|
|
| 661 |
|
} |
| 662 |
|
|
| 663 |
|
|
| 664 |
< |
static |
| 665 |
< |
popright() /* pop off right view & buffer */ |
| 664 |
> |
static void |
| 665 |
> |
popright(void) /* pop off right view & buffer */ |
| 666 |
|
{ |
| 667 |
|
if (viewflags & VWPERSP) { |
| 668 |
|
glMatrixMode(GL_MODELVIEW); |
| 674 |
|
|
| 675 |
|
|
| 676 |
|
static int |
| 677 |
< |
mytmflags() /* figure out tone mapping flags */ |
| 677 |
> |
mytmflags(void) /* figure out tone mapping flags */ |
| 678 |
|
{ |
| 679 |
|
extern char *progname; |
| 680 |
< |
register char *cp, *tail; |
| 680 |
> |
char *cp, *tail; |
| 681 |
|
/* find basic name */ |
| 682 |
|
for (cp = tail = progname; *cp; cp++) |
| 683 |
|
if (*cp == '/') |
| 698 |
|
} |
| 699 |
|
|
| 700 |
|
|
| 701 |
< |
static |
| 702 |
< |
getevent() /* get next event */ |
| 701 |
> |
static void |
| 702 |
> |
getevent(void) /* get next event */ |
| 703 |
|
{ |
| 704 |
|
XNextEvent(ourdisplay, levptr(XEvent)); |
| 705 |
|
switch (levptr(XEvent)->type) { |
| 720 |
|
getkey(levptr(XKeyPressedEvent)); |
| 721 |
|
break; |
| 722 |
|
case ButtonPress: |
| 723 |
< |
if (FRAMESTATE(levptr(XButtonPressedEvent)->state)) |
| 724 |
< |
getframe(levptr(XButtonPressedEvent)); |
| 723 |
> |
if (FRAMESTATE(levptr(XButtonPressedEvent)->state)) |
| 724 |
> |
getframe(levptr(XButtonPressedEvent)); |
| 725 |
|
else |
| 726 |
< |
getmove(levptr(XButtonPressedEvent)); |
| 726 |
> |
switch (levptr(XButtonPressedEvent)->button) { |
| 727 |
> |
case Button4: /* wheel up */ |
| 728 |
> |
case Button5: /* wheel down */ |
| 729 |
> |
break; |
| 730 |
> |
default: |
| 731 |
> |
getmove(levptr(XButtonPressedEvent)); |
| 732 |
> |
break; |
| 733 |
> |
} |
| 734 |
|
break; |
| 735 |
|
} |
| 736 |
|
} |
| 737 |
|
|
| 738 |
|
|
| 739 |
< |
static |
| 740 |
< |
draw3dline(wp) /* draw 3d line in world coordinates */ |
| 741 |
< |
register FVECT wp[2]; |
| 739 |
> |
static void |
| 740 |
> |
draw3dline( /* draw 3d line in world coordinates */ |
| 741 |
> |
FVECT wp[2] |
| 742 |
> |
) |
| 743 |
|
{ |
| 744 |
|
glVertex3d(wp[0][0], wp[0][1], wp[0][2]); |
| 745 |
|
glVertex3d(wp[1][0], wp[1][1], wp[1][2]); |
| 746 |
|
} |
| 747 |
|
|
| 748 |
|
|
| 749 |
< |
static |
| 750 |
< |
draw_grids(fore) /* draw holodeck section grids */ |
| 751 |
< |
int fore; |
| 749 |
> |
static void |
| 750 |
> |
draw_grids( /* draw holodeck section grids */ |
| 751 |
> |
int fore |
| 752 |
> |
) |
| 753 |
|
{ |
| 754 |
|
glPushAttrib(GL_LIGHTING_BIT|GL_ENABLE_BIT); |
| 755 |
|
glDisable(GL_LIGHTING); |
| 765 |
|
} |
| 766 |
|
|
| 767 |
|
|
| 768 |
< |
static |
| 769 |
< |
moveview(dx, dy, mov, orb) /* move our view */ |
| 770 |
< |
int dx, dy, mov, orb; |
| 768 |
> |
static int |
| 769 |
> |
moveview( /* move our view */ |
| 770 |
> |
int dx, |
| 771 |
> |
int dy, |
| 772 |
> |
int mov, |
| 773 |
> |
int orb |
| 774 |
> |
) |
| 775 |
|
{ |
| 776 |
|
VIEW nv; |
| 777 |
|
FVECT odir, v1, wip; |
| 778 |
< |
double d, d1; |
| 779 |
< |
register int li; |
| 778 |
> |
double d; |
| 779 |
> |
#ifdef DOBJ |
| 780 |
> |
double d1; |
| 781 |
> |
#endif |
| 782 |
|
/* start with old view */ |
| 783 |
< |
copystruct(&nv, &odev.v); |
| 783 |
> |
nv = odev.v; |
| 784 |
|
/* orient our motion */ |
| 785 |
|
if (viewray(v1, odir, &odev.v, |
| 786 |
|
(dx+.5)/odev.hres, (dy+.5)/odev.vres) < -FTINY) |
| 803 |
|
VSUM(nv.vp, wip, odir, -1.); |
| 804 |
|
spinvector(nv.vdir, nv.vdir, nv.vup, d); |
| 805 |
|
} else if (orb) { /* orbit up/down */ |
| 806 |
< |
fcross(v1, odir, nv.vup); |
| 807 |
< |
if (normalize(v1) == 0.) |
| 806 |
> |
if (geodesic(odir, odir, nv.vup, |
| 807 |
> |
d=MOVDEG*PI/180.*orb, GEOD_RAD) == 0.0) |
| 808 |
|
return(0); |
| 748 |
– |
spinvector(odir, odir, v1, d=MOVDEG*PI/180.*orb); |
| 809 |
|
VSUM(nv.vp, wip, odir, -1.); |
| 810 |
< |
spinvector(nv.vdir, nv.vdir, v1, d); |
| 810 |
> |
geodesic(nv.vdir, nv.vdir, nv.vup, d, GEOD_RAD); |
| 811 |
|
} else if (mov) { /* move forward/backward */ |
| 812 |
|
d = MOVPCT/100. * mov; |
| 813 |
|
VSUM(nv.vp, nv.vp, odir, d); |
| 825 |
|
} |
| 826 |
|
|
| 827 |
|
|
| 828 |
< |
static |
| 829 |
< |
getframe(ebut) /* get focus frame */ |
| 830 |
< |
XButtonPressedEvent *ebut; |
| 828 |
> |
static void |
| 829 |
> |
getframe( /* get focus frame */ |
| 830 |
> |
XButtonPressedEvent *ebut |
| 831 |
> |
) |
| 832 |
|
{ |
| 833 |
|
int startx = ebut->x, starty = ebut->y; |
| 834 |
< |
int endx, endy; |
| 835 |
< |
|
| 834 |
> |
int endx, endy, midx, midy; |
| 835 |
> |
FVECT odir, v1; |
| 836 |
> |
double d; |
| 837 |
> |
#ifdef DOBJ |
| 838 |
> |
double d1; |
| 839 |
> |
#endif |
| 840 |
> |
/* get mouse drag */ |
| 841 |
|
XMaskEvent(ourdisplay, ButtonReleaseMask, levptr(XEvent)); |
| 842 |
|
endx = levptr(XButtonReleasedEvent)->x; |
| 843 |
|
endy = levptr(XButtonReleasedEvent)->y; |
| 844 |
< |
if (endx == startx | endy == starty) { |
| 845 |
< |
XBell(ourdisplay, 0); |
| 844 |
> |
midx = (startx + endx) >> 1; |
| 845 |
> |
midy = (starty + endy) >> 1; |
| 846 |
> |
/* set focus distance */ |
| 847 |
> |
if (viewray(v1, odir, &odev.v, |
| 848 |
> |
(midx+.5)/odev.hres, (midy+.5)/odev.vres) < -FTINY) |
| 849 |
|
return; |
| 850 |
< |
} |
| 851 |
< |
if (endx < startx) {register int c = endx; endx = startx; startx = c;} |
| 852 |
< |
if (endy < starty) {register int c = endy; endy = starty; starty = c;} |
| 850 |
> |
d = getdistance(midx, midy, odir); /* distance from front plane */ |
| 851 |
> |
#ifdef DOBJ |
| 852 |
> |
d1 = dobj_trace(NULL, v1, odir); |
| 853 |
> |
if (d1 < d) |
| 854 |
> |
d = d1; |
| 855 |
> |
#endif |
| 856 |
> |
if (d < .99*FHUGE) |
| 857 |
> |
odev.v.vdist = d + sqrt(dist2(v1, odev.v.vp)); |
| 858 |
> |
/* set frame for rendering */ |
| 859 |
> |
if ((endx == startx) | (endy == starty)) |
| 860 |
> |
return; |
| 861 |
> |
if (endx < startx) {int c = endx; endx = startx; startx = c;} |
| 862 |
> |
if (endy < starty) {int c = endy; endy = starty; starty = c;} |
| 863 |
|
sprintf(odev_args, "%.3f %.3f %.3f %.3f", |
| 864 |
|
(startx+.5)/odev.hres, 1.-(endy+.5)/odev.vres, |
| 865 |
|
(endx+.5)/odev.hres, 1.-(starty+.5)/odev.vres); |
| 867 |
|
} |
| 868 |
|
|
| 869 |
|
|
| 870 |
< |
static |
| 871 |
< |
waitabit() /* pause a moment */ |
| 870 |
> |
static void |
| 871 |
> |
waitabit(void) /* pause a moment */ |
| 872 |
|
{ |
| 873 |
|
struct timespec ts; |
| 874 |
|
ts.tv_sec = 0; |
| 875 |
< |
ts.tv_nsec = 50000000; |
| 875 |
> |
ts.tv_nsec = 100000000L; |
| 876 |
|
nanosleep(&ts, NULL); |
| 877 |
|
} |
| 878 |
|
|
| 879 |
|
|
| 880 |
< |
static |
| 881 |
< |
getmove(ebut) /* get view change */ |
| 882 |
< |
XButtonPressedEvent *ebut; |
| 880 |
> |
static void |
| 881 |
> |
getmove( /* get view change */ |
| 882 |
> |
XButtonPressedEvent *ebut |
| 883 |
> |
) |
| 884 |
|
{ |
| 885 |
|
int movdir = MOVDIR(ebut->button); |
| 886 |
|
int movorb = MOVORB(ebut->state); |
| 935 |
|
} |
| 936 |
|
|
| 937 |
|
|
| 938 |
< |
static |
| 939 |
< |
setglpersp() /* set perspective view in GL */ |
| 938 |
> |
static void |
| 939 |
> |
setglpersp(void) /* set perspective view in GL */ |
| 940 |
|
{ |
| 941 |
|
double d, xmin, xmax, ymin, ymax; |
| 942 |
|
GLfloat vec[4]; |
| 997 |
|
} |
| 998 |
|
|
| 999 |
|
|
| 1000 |
< |
static |
| 1001 |
< |
setglortho() /* set up orthographic view for cone drawing */ |
| 1000 |
> |
static void |
| 1001 |
> |
setglortho(void) /* set up orthographic view for cone drawing */ |
| 1002 |
|
{ |
| 1003 |
|
glDrawBuffer(GL_FRONT); /* use single-buffer mode */ |
| 1004 |
|
/* set view matrix */ |
| 1014 |
|
} |
| 1015 |
|
|
| 1016 |
|
|
| 1017 |
< |
static |
| 1018 |
< |
wipeclean() /* prepare for redraw */ |
| 1017 |
> |
static void |
| 1018 |
> |
wipeclean(void) /* prepare for redraw */ |
| 1019 |
|
{ |
| 1020 |
|
glDrawBuffer(GL_BACK); /* use double-buffer mode */ |
| 1021 |
|
glReadBuffer(GL_BACK); |
| 1037 |
|
} |
| 1038 |
|
|
| 1039 |
|
|
| 1040 |
< |
static |
| 1041 |
< |
getkey(ekey) /* get input key */ |
| 1042 |
< |
register XKeyPressedEvent *ekey; |
| 1040 |
> |
static void |
| 1041 |
> |
getkey( /* get input key */ |
| 1042 |
> |
XKeyPressedEvent *ekey |
| 1043 |
> |
) |
| 1044 |
|
{ |
| 1045 |
|
Window rootw, childw; |
| 1046 |
|
int rootx, rooty, wx, wy; |
| 1121 |
|
} |
| 1122 |
|
|
| 1123 |
|
|
| 1124 |
< |
static |
| 1125 |
< |
fixwindow(eexp) /* repair damage to window */ |
| 1126 |
< |
register XExposeEvent *eexp; |
| 1124 |
> |
static void |
| 1125 |
> |
fixwindow( /* repair damage to window */ |
| 1126 |
> |
XExposeEvent *eexp |
| 1127 |
> |
) |
| 1128 |
|
{ |
| 1129 |
|
int xmin, ymin, xmax, ymax; |
| 1130 |
|
|
| 1131 |
< |
if (odev.hres == 0 | odev.vres == 0) { /* first exposure */ |
| 1131 |
> |
if ((odev.hres == 0) | (odev.vres == 0)) { /* first exposure */ |
| 1132 |
|
resizewindow((XConfigureEvent *)eexp); |
| 1133 |
|
return; |
| 1134 |
|
} |
| 1167 |
|
} |
| 1168 |
|
|
| 1169 |
|
|
| 1170 |
< |
static |
| 1171 |
< |
resizewindow(ersz) /* resize window */ |
| 1172 |
< |
register XConfigureEvent *ersz; |
| 1170 |
> |
static void |
| 1171 |
> |
resizewindow( /* resize window */ |
| 1172 |
> |
XConfigureEvent *ersz |
| 1173 |
> |
) |
| 1174 |
|
{ |
| 1175 |
|
glViewport(0, 0, ersz->width, ersz->height); |
| 1176 |
|
|