37 |
|
#include "x11icon.h" |
38 |
|
|
39 |
|
#ifndef RAYQLEN |
40 |
< |
#define RAYQLEN 10240 /* max. rays to queue before flush */ |
40 |
> |
#define RAYQLEN 50000 /* max. rays to queue before flush */ |
41 |
|
#endif |
42 |
|
|
43 |
+ |
/* values other than 0 or 255 do not map reliably */ |
44 |
+ |
#ifndef PORTALP |
45 |
+ |
#define PORTRED 0 /* -1, 0 or 255 */ |
46 |
+ |
#define PORTGRN -1 /* -1, 0 or 255 */ |
47 |
+ |
#define PORTBLU 255 /* -1, 0 or 255 */ |
48 |
+ |
#define PORTALP -1 /* -1 or 255 */ |
49 |
+ |
#endif |
50 |
+ |
#define isportal(c) ((PORTRED<0 || (c)[0]==PORTRED) && \ |
51 |
+ |
(PORTGRN<0 || (c)[1]==PORTGRN) && \ |
52 |
+ |
(PORTBLU<0 || (c)[2]==PORTBLU) && \ |
53 |
+ |
(PORTALP<0 || (c)[3]==PORTALP)) |
54 |
+ |
#define doportals() if (gmPortals) \ |
55 |
+ |
gmDrawPortals(PORTRED,PORTGRN,PORTBLU,PORTALP); else |
56 |
+ |
|
57 |
|
#ifndef FEQ |
58 |
|
#define FEQ(a,b) ((a)-(b) <= FTINY && (a)-(b) >= -FTINY) |
59 |
|
#endif |
60 |
|
|
61 |
+ |
#define VWHEADLOCK 01 /* head position is locked flag */ |
62 |
+ |
#define VWPERSP 02 /* perspective view is set */ |
63 |
+ |
#define VWORTHO 04 /* orthographic view is set */ |
64 |
+ |
#define VWCHANGE 010 /* view has changed */ |
65 |
+ |
#define VWSTEADY 020 /* view is now steady */ |
66 |
+ |
#define VWMAPPED 040 /* window is mapped */ |
67 |
+ |
|
68 |
|
#define GAMMA 1.4 /* default gamma correction */ |
69 |
|
|
70 |
|
#define FRAMESTATE(s) (((s)&(ShiftMask|ControlMask))==(ShiftMask|ControlMask)) |
107 |
|
|
108 |
|
static XEvent currentevent; /* current event */ |
109 |
|
|
89 |
– |
static int mapped = 0; /* window is mapped? */ |
110 |
|
static unsigned long ourblack=0, ourwhite=~0; |
111 |
|
|
112 |
|
static Display *ourdisplay = NULL; /* our display */ |
124 |
|
|
125 |
|
static int inpresflags; /* input result flags */ |
126 |
|
|
127 |
< |
static int headlocked; /* lock vertical motion */ |
127 |
> |
static int viewflags; /* what's happening with view */ |
128 |
|
|
109 |
– |
static int isperspective; /* perspective/ortho view */ |
110 |
– |
|
111 |
– |
static int viewsteady; /* is view steady? */ |
112 |
– |
|
129 |
|
static int resizewindow(), getevent(), getkey(), moveview(), wipeclean(), |
130 |
< |
xferdepth(), setglortho(), |
130 |
> |
xferdepth(), freedepth(), setglortho(), |
131 |
|
setglpersp(), getframe(), getmove(), fixwindow(), mytmflags(); |
132 |
|
|
133 |
|
static double getdistance(); |
136 |
|
static int pushright(), popright(); |
137 |
|
#endif |
138 |
|
|
139 |
+ |
extern int gmPortals; /* GL portal list id */ |
140 |
+ |
|
141 |
|
extern time_t time(); |
142 |
|
|
143 |
|
|
146 |
|
{ |
147 |
|
extern char *getenv(); |
148 |
|
static RGBPRIMS myprims = STDPRIMS; |
149 |
< |
static int atlBest[] = {GLX_RGBA, GLX_RED_SIZE,8, |
150 |
< |
GLX_GREEN_SIZE,8, GLX_BLUE_SIZE,8, |
149 |
> |
#if (PORTALP<0) |
150 |
> |
static int atlBest[] = {GLX_RGBA, GLX_DOUBLEBUFFER, |
151 |
> |
GLX_RED_SIZE,8, GLX_GREEN_SIZE,8, |
152 |
> |
GLX_BLUE_SIZE,8, GLX_DEPTH_SIZE,15, None}; |
153 |
> |
static int atlOK[] = {GLX_RGBA, GLX_DOUBLEBUFFER, |
154 |
> |
GLX_RED_SIZE,4, GLX_GREEN_SIZE,4, |
155 |
> |
GLX_BLUE_SIZE,4, GLX_DEPTH_SIZE,15, None}; |
156 |
> |
#else |
157 |
> |
static int atlBest[] = {GLX_RGBA, GLX_DOUBLEBUFFER, |
158 |
> |
GLX_RED_SIZE,8, GLX_GREEN_SIZE,8, |
159 |
> |
GLX_BLUE_SIZE,8, GLX_ALPHA_SIZE,1, |
160 |
|
GLX_DEPTH_SIZE,15, None}; |
161 |
+ |
static int atlOK[] = {GLX_RGBA, GLX_DOUBLEBUFFER, |
162 |
+ |
GLX_RED_SIZE,5, GLX_GREEN_SIZE,5, |
163 |
+ |
GLX_BLUE_SIZE,5, GLX_ALPHA_SIZE,1, |
164 |
+ |
GLX_DEPTH_SIZE,15, None}; |
165 |
+ |
#endif |
166 |
|
char *ev; |
167 |
|
double gamval = GAMMA; |
168 |
|
RGBPRIMP dpri = stdprims; |
175 |
|
#endif |
176 |
|
/* open display server */ |
177 |
|
ourdisplay = XOpenDisplay(NULL); |
178 |
< |
if (ourdisplay == NULL) |
179 |
< |
error(USER, "cannot open X-windows; DISPLAY variable set?\n"); |
178 |
> |
CHECK(ourdisplay==NULL, USER, |
179 |
> |
"cannot open X-windows; DISPLAY variable set?"); |
180 |
|
#ifdef STEREO |
181 |
|
switch (XSGIQueryStereoMode(ourdisplay, ourroot)) { |
182 |
|
case STEREO_TOP: |
184 |
|
break; |
185 |
|
case STEREO_OFF: |
186 |
|
error(USER, |
187 |
< |
"wrong video mode: run \"/usr/gfx/setmon -n STR_TOP\" first"); |
187 |
> |
"wrong video mode: run \"/usr/gfx/setmon -n STR_TOP\" first"); |
188 |
|
case X_STEREO_UNSUPPORTED: |
189 |
|
error(USER, "stereo mode not supported on this screen"); |
190 |
|
default: |
194 |
|
/* find a usable visual */ |
195 |
|
ourvinf = glXChooseVisual(ourdisplay, ourscreen, atlBest); |
196 |
|
if (ourvinf == NULL) |
197 |
< |
error(USER, "no suitable visuals available"); |
197 |
> |
ourvinf = glXChooseVisual(ourdisplay, ourscreen, atlOK); |
198 |
> |
CHECK(ourvinf==NULL, USER, "no suitable visuals available"); |
199 |
|
/* get a context */ |
200 |
|
gctx = glXCreateContext(ourdisplay, ourvinf, NULL, GL_TRUE); |
201 |
|
/* set gamma and tone mapping */ |
227 |
|
#endif |
228 |
|
BORWIDTH, ourvinf->depth, InputOutput, ourvinf->visual, |
229 |
|
CWBackPixel|CWBorderPixel|CWColormap|CWEventMask, &ourwinattr); |
230 |
< |
if (gwind == 0) |
198 |
< |
error(SYSTEM, "cannot create window\n"); |
230 |
> |
CHECK(gwind==0, SYSTEM, "cannot create window"); |
231 |
|
XStoreName(ourdisplay, gwind, id); |
232 |
|
/* set window manager hints */ |
233 |
|
ourxwmhints.flags = InputHint|IconPixmapHint; |
251 |
|
glXMakeCurrent(ourdisplay, gwind, gctx); |
252 |
|
glEnable(GL_DEPTH_TEST); |
253 |
|
glDepthFunc(GL_LEQUAL); |
254 |
< |
glDisable(GL_DITHER); |
254 |
> |
glEnable(GL_DITHER); |
255 |
|
glFrontFace(GL_CCW); |
256 |
|
glDisable(GL_CULL_FACE); |
257 |
|
glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, GL_TRUE); |
268 |
|
checkglerr("setting rendering parameters"); |
269 |
|
copystruct(&odev.v, &stdview); |
270 |
|
odev.v.type = VT_PER; |
271 |
< |
headlocked = 0; /* free up head movement */ |
240 |
< |
viewsteady = 1; /* view starts static */ |
241 |
< |
isperspective = -1; /* but no view set, yet */ |
271 |
> |
viewflags = VWSTEADY; /* view starts static */ |
272 |
|
/* map the window */ |
273 |
|
XMapWindow(ourdisplay, gwind); |
274 |
|
dev_input(); /* sets size and view angles */ |
275 |
|
if (!odInit(DisplayWidth(ourdisplay,ourscreen) * |
276 |
< |
DisplayHeight(ourdisplay,ourscreen) / 10)) |
276 |
> |
DisplayHeight(ourdisplay,ourscreen) / 4)) |
277 |
|
error(SYSTEM, "insufficient memory for value storage"); |
278 |
|
odev.name = id; |
279 |
|
odev.firstuse = 1; /* can't recycle samples */ |
286 |
|
#ifdef DOBJ |
287 |
|
dobj_cleanup(); |
288 |
|
#endif |
289 |
+ |
freedepth(); |
290 |
+ |
gmEndGeom(); |
291 |
+ |
gmEndPortal(); |
292 |
|
odDone(); |
293 |
|
glXMakeCurrent(ourdisplay, None, NULL); |
294 |
|
glXDestroyContext(ourdisplay, gctx); |
358 |
|
VSUM(vwright.vp, nv->vp, nv->hvec, d); |
359 |
|
/* setview(&vwright); -- Unnecessary */ |
360 |
|
#endif |
361 |
< |
} else |
362 |
< |
viewsteady = 1; |
361 |
> |
viewflags |= VWCHANGE; |
362 |
> |
} |
363 |
|
wipeclean(); |
364 |
|
return(1); |
365 |
|
} |
366 |
|
|
367 |
|
|
368 |
< |
dev_section(ofn) /* add octree for geometry rendering */ |
369 |
< |
char *ofn; |
368 |
> |
dev_section(gfn, pfn) /* add octree for geometry rendering */ |
369 |
> |
char *gfn, *pfn; |
370 |
|
{ |
371 |
|
extern char *index(); |
372 |
|
char *cp; |
373 |
|
|
374 |
< |
if (ofn == NULL) |
375 |
< |
otEndOctree(); |
376 |
< |
else if (access(ofn, R_OK) == 0) |
377 |
< |
otNewOctree(ofn); |
374 |
> |
if (gfn == NULL) { |
375 |
> |
gmEndGeom(); |
376 |
> |
gmEndPortal(); |
377 |
> |
wipeclean(); /* new geometry, so redraw it */ |
378 |
> |
return; |
379 |
> |
} |
380 |
> |
if (access(gfn, R_OK) == 0) |
381 |
> |
gmNewGeom(gfn); |
382 |
|
#ifdef DEBUG |
383 |
|
else { |
384 |
< |
sprintf(errmsg, "cannot load octree \"%s\"", ofn); |
384 |
> |
sprintf(errmsg, "cannot load octree \"%s\"", gfn); |
385 |
|
error(WARNING, errmsg); |
386 |
|
} |
387 |
|
#endif |
388 |
+ |
if (pfn != NULL) |
389 |
+ |
gmNewPortal(pfn); |
390 |
|
} |
391 |
|
|
392 |
|
|
455 |
|
{ |
456 |
|
int ndrawn; |
457 |
|
|
458 |
< |
if (mapped && isperspective > 0) { |
458 |
> |
if ((viewflags&(VWMAPPED|VWPERSP)) == (VWMAPPED|VWPERSP)) { |
459 |
|
#ifdef STEREO |
460 |
|
pushright(); /* draw right eye */ |
461 |
< |
otDrawOctrees(); |
461 |
> |
ndrawn = gmDrawGeom(); |
462 |
|
#ifdef DOBJ |
463 |
< |
dobj_render(); |
463 |
> |
ndrawn += dobj_render(); |
464 |
|
#endif |
465 |
+ |
if (ndrawn) |
466 |
+ |
doportals(); |
467 |
|
checkglerr("rendering right eye"); |
468 |
|
popright(); /* draw left eye */ |
469 |
|
#endif |
470 |
< |
ndrawn = otDrawOctrees(); |
470 |
> |
ndrawn = gmDrawGeom(); |
471 |
|
#ifdef DOBJ |
472 |
|
ndrawn += dobj_render(); |
473 |
|
#endif |
474 |
+ |
if (ndrawn) |
475 |
+ |
doportals(); |
476 |
+ |
glXSwapBuffers(ourdisplay, gwind); |
477 |
|
checkglerr("rendering base view"); |
478 |
|
} |
479 |
< |
if (mapped && viewsteady) { |
480 |
< |
if (isperspective) { /* first time after steady */ |
479 |
> |
if ((viewflags&(VWMAPPED|VWSTEADY|VWPERSP|VWORTHO)) == |
480 |
> |
(VWMAPPED|VWSTEADY|VWPERSP)) { |
481 |
> |
/* first time after steady */ |
482 |
> |
if (ndrawn) |
483 |
> |
xferdepth(); /* transfer and clear depth */ |
484 |
> |
setglortho(); /* set orthographic view */ |
485 |
> |
|
486 |
> |
} |
487 |
> |
if ((viewflags&(VWMAPPED|VWSTEADY|VWPERSP|VWORTHO)) == |
488 |
> |
(VWMAPPED|VWSTEADY|VWORTHO)) { |
489 |
> |
/* else update cones */ |
490 |
|
#ifdef STEREO |
491 |
< |
pushright(); |
492 |
< |
popright(); |
491 |
> |
pushright(); |
492 |
> |
odUpdate(1); /* draw right eye */ |
493 |
> |
popright(); |
494 |
|
#endif |
495 |
< |
if (ndrawn) |
496 |
< |
xferdepth(); /* transfer and clear depth */ |
443 |
< |
setglortho(); /* set orthographic view */ |
444 |
< |
} else { |
445 |
< |
#ifdef STEREO |
446 |
< |
pushright(); |
447 |
< |
odUpdate(1); /* draw right eye */ |
448 |
< |
popright(); |
449 |
< |
#endif |
450 |
< |
odUpdate(0); /* draw left eye */ |
451 |
< |
} |
495 |
> |
odUpdate(0); /* draw left eye */ |
496 |
> |
glFlush(); /* flush OpenGL */ |
497 |
|
} |
453 |
– |
glFlush(); /* flush OpenGL */ |
498 |
|
rayqleft = RAYQLEN; |
499 |
|
/* flush X11 and return # pending */ |
500 |
|
return(odev.inpready = XPending(ourdisplay)); |
518 |
|
xferdepth() /* load and clear depth buffer */ |
519 |
|
{ |
520 |
|
register GLfloat *dbp; |
521 |
+ |
register GLubyte *cbuf; |
522 |
|
|
523 |
< |
if (depthbuffer == NULL) { |
523 |
> |
if (depthbuffer == NULL) { /* allocate private depth buffer */ |
524 |
|
#ifdef STEREO |
525 |
|
depthright = (GLfloat *)malloc( |
526 |
|
odev.hres*odev.vres*sizeof(GLfloat)); |
527 |
|
#endif |
528 |
|
depthbuffer = (GLfloat *)malloc( |
529 |
|
odev.hres*odev.vres*sizeof(GLfloat)); |
530 |
< |
if (depthbuffer == NULL) |
486 |
< |
error(SYSTEM, "out of memory in xferdepth"); |
530 |
> |
CHECK(depthbuffer==NULL, SYSTEM, "out of memory in xferdepth"); |
531 |
|
} |
532 |
+ |
/* allocate alpha buffer for portals */ |
533 |
+ |
if (gmPortals) |
534 |
+ |
cbuf = (GLubyte *)malloc(odev.hres*odev.vres * |
535 |
+ |
(4*sizeof(GLubyte))); |
536 |
+ |
else |
537 |
+ |
cbuf = NULL; |
538 |
|
#ifdef STEREO |
539 |
|
setstereobuf(STEREO_BUFFER_RIGHT); |
540 |
|
glReadPixels(0, 0, odev.hres, odev.vres, |
541 |
|
GL_DEPTH_COMPONENT, GL_FLOAT, depthright); |
542 |
< |
setstereobuf(STEREO_BUFFER_LEFT); |
542 |
> |
if (cbuf != NULL) |
543 |
> |
glReadPixels(0, 0, odev.hres, odev.vres, |
544 |
> |
GL_RGBA, GL_UNSIGNED_BYTE, cbuf); |
545 |
|
for (dbp = depthright + odev.hres*odev.vres; dbp-- > depthright; ) |
546 |
< |
*dbp = mapdepth(*dbp); |
547 |
< |
odDepthMap(1, depthright); |
546 |
> |
if (cbuf != NULL && isportal(cbuf+4*(dbp-depthright))) |
547 |
> |
*dbp = FHUGE; |
548 |
> |
else |
549 |
> |
*dbp = mapdepth(*dbp); |
550 |
|
glClear(GL_DEPTH_BUFFER_BIT); |
551 |
+ |
setstereobuf(STEREO_BUFFER_LEFT); |
552 |
+ |
odDepthMap(1, depthright); |
553 |
|
#endif |
554 |
+ |
/* read back depth buffer */ |
555 |
|
glReadPixels(0, 0, odev.hres, odev.vres, |
556 |
|
GL_DEPTH_COMPONENT, GL_FLOAT, depthbuffer); |
557 |
+ |
if (cbuf != NULL) |
558 |
+ |
glReadPixels(0, 0, odev.hres, odev.vres, |
559 |
+ |
GL_RGBA, GL_UNSIGNED_BYTE, cbuf); |
560 |
|
for (dbp = depthbuffer + odev.hres*odev.vres; dbp-- > depthbuffer; ) |
561 |
< |
*dbp = mapdepth(*dbp); |
561 |
> |
if (cbuf != NULL && isportal(cbuf+4*(dbp-depthbuffer))) |
562 |
> |
*dbp = FHUGE; |
563 |
> |
else |
564 |
> |
*dbp = mapdepth(*dbp); |
565 |
> |
glClear(GL_DEPTH_BUFFER_BIT); /* clear system depth buffer */ |
566 |
> |
if (cbuf != NULL) |
567 |
> |
free((char *)cbuf); /* free our color buffer */ |
568 |
|
odDepthMap(0, depthbuffer); /* transfer depth data */ |
503 |
– |
glClear(GL_DEPTH_BUFFER_BIT); /* clear system buffer */ |
569 |
|
} |
570 |
|
|
571 |
|
|
572 |
+ |
static |
573 |
+ |
freedepth() /* free recorded depth buffer */ |
574 |
+ |
{ |
575 |
+ |
if (depthbuffer == NULL) |
576 |
+ |
return; |
577 |
+ |
#ifdef STEREO |
578 |
+ |
odDepthMap(1, NULL); |
579 |
+ |
free((char *)depthright); |
580 |
+ |
depthright = NULL; |
581 |
+ |
#endif |
582 |
+ |
odDepthMap(0, NULL); |
583 |
+ |
free((char *)depthbuffer); |
584 |
+ |
depthbuffer = NULL; |
585 |
+ |
} |
586 |
+ |
|
587 |
+ |
|
588 |
|
static double |
589 |
|
getdistance(dx, dy, direc) /* distance from fore plane along view ray */ |
590 |
|
int dx, dy; |
591 |
|
FVECT direc; |
592 |
|
{ |
593 |
|
GLfloat gldepth; |
594 |
+ |
GLubyte glcolor[4]; |
595 |
|
double dist; |
596 |
|
|
597 |
|
if (dx<0 | dx>=odev.hres | dy<0 | dy>=odev.vres) |
601 |
|
else { |
602 |
|
glReadPixels(dx,dy, 1,1, GL_DEPTH_COMPONENT, |
603 |
|
GL_FLOAT, &gldepth); |
604 |
+ |
if (gmPortals) { |
605 |
+ |
glReadPixels(dx,dy, 1,1, GL_RGBA, |
606 |
+ |
GL_UNSIGNED_BYTE, glcolor); |
607 |
+ |
if (isportal(glcolor)) |
608 |
+ |
return(FHUGE); |
609 |
+ |
} |
610 |
|
dist = mapdepth(gldepth); |
611 |
|
} |
612 |
|
if (dist >= .99*FHUGE) |
622 |
|
double d; |
623 |
|
|
624 |
|
setstereobuf(STEREO_BUFFER_RIGHT); |
625 |
< |
if (isperspective > 0) { |
625 |
> |
if (viewflags & VWPERSP) { |
626 |
|
glMatrixMode(GL_MODELVIEW); |
627 |
|
glPushMatrix(); |
628 |
|
d = -eyesepdist / sqrt(odev.v.hn2); |
636 |
|
static |
637 |
|
popright() /* pop off right view & buffer */ |
638 |
|
{ |
639 |
< |
if (isperspective > 0) { |
639 |
> |
if (viewflags & VWPERSP) { |
640 |
|
glMatrixMode(GL_MODELVIEW); |
641 |
|
glPopMatrix(); |
642 |
|
} |
679 |
|
resizewindow(levptr(XConfigureEvent)); |
680 |
|
break; |
681 |
|
case UnmapNotify: |
682 |
< |
mapped = 0; |
682 |
> |
viewflags &= ~VWMAPPED; |
683 |
|
break; |
684 |
|
case MapNotify: |
685 |
< |
mapped = 1; |
685 |
> |
odRemap(0); |
686 |
> |
viewflags |= VWMAPPED; |
687 |
|
break; |
688 |
|
case Expose: |
689 |
|
fixwindow(levptr(XExposeEvent)); |
717 |
|
glPushAttrib(GL_LIGHTING_BIT|GL_ENABLE_BIT); |
718 |
|
glDisable(GL_LIGHTING); |
719 |
|
if (fore) |
720 |
< |
glColor3ub(0, 255, 255); |
720 |
> |
glColor3ub(4, 250, 250); |
721 |
|
else |
722 |
|
glColor3ub(0, 0, 0); |
723 |
|
glBegin(GL_LINES); /* draw each grid line */ |
770 |
|
d = MOVPCT/100. * mov; |
771 |
|
VSUM(nv.vp, nv.vp, odir, d); |
772 |
|
} |
773 |
< |
if (!mov ^ !orb && headlocked) { /* restore head height */ |
773 |
> |
if (!mov ^ !orb && viewflags&VWHEADLOCK) { /* restore height */ |
774 |
|
VSUM(v1, odev.v.vp, nv.vp, -1.); |
775 |
|
d = DOT(v1, nv.vup); |
776 |
|
VSUM(nv.vp, nv.vp, odev.v.vup, d); |
778 |
|
if (setview(&nv) != NULL) |
779 |
|
return(0); /* illegal view */ |
780 |
|
dev_view(&nv); |
781 |
< |
inpresflags |= DFL(DC_SETVIEW)|DFL(DC_REDRAW); |
781 |
> |
inpresflags |= DFL(DC_SETVIEW); |
782 |
|
return(1); |
783 |
|
} |
784 |
|
|
812 |
|
{ |
813 |
|
int movdir = MOVDIR(ebut->button); |
814 |
|
int movorb = MOVORB(ebut->state); |
815 |
+ |
int ndrawn; |
816 |
|
Window rootw, childw; |
817 |
|
int rootx, rooty, wx, wy; |
818 |
|
unsigned int statemask; |
819 |
|
|
820 |
|
XNoOp(ourdisplay); /* makes sure we're not idle */ |
821 |
|
|
822 |
< |
viewsteady = 0; /* flag moving view */ |
822 |
> |
viewflags &= ~VWSTEADY; /* flag moving view */ |
823 |
|
setglpersp(&odev.v); /* start us off in perspective */ |
824 |
|
while (!XCheckMaskEvent(ourdisplay, |
825 |
|
ButtonReleaseMask, levptr(XEvent))) { |
836 |
|
#ifdef STEREO |
837 |
|
pushright(); |
838 |
|
draw_grids(1); |
839 |
< |
otDrawOctrees(); |
839 |
> |
ndrawn = gmDrawGeom(); |
840 |
|
#ifdef DOBJ |
841 |
< |
dobj_render(); |
841 |
> |
ndrawn += dobj_render(); |
842 |
|
#endif |
843 |
+ |
if (ndrawn) |
844 |
+ |
doportals(); |
845 |
|
popright(); |
846 |
|
#endif |
847 |
|
/* redraw octrees */ |
848 |
< |
otDrawOctrees(); |
848 |
> |
ndrawn = gmDrawGeom(); |
849 |
|
#ifdef DOBJ |
850 |
< |
dobj_render(); /* redraw objects */ |
850 |
> |
ndrawn += dobj_render(); /* redraw objects */ |
851 |
|
#endif |
852 |
< |
glFlush(); |
852 |
> |
if (ndrawn) |
853 |
> |
doportals(); |
854 |
> |
glXSwapBuffers(ourdisplay, gwind); |
855 |
> |
if (!ndrawn) |
856 |
> |
sleep(1); /* for reasonable interaction */ |
857 |
|
} |
858 |
|
if (!(inpresflags & DFL(DC_SETVIEW))) { /* do final motion */ |
859 |
|
movdir = MOVDIR(levptr(XButtonReleasedEvent)->button); |
861 |
|
wy = levptr(XButtonReleasedEvent)->y; |
862 |
|
moveview(wx, odev.vres-1-wy, movdir, movorb); |
863 |
|
} |
864 |
+ |
viewflags |= VWSTEADY; /* done goofing around */ |
865 |
|
} |
866 |
|
|
867 |
|
|
873 |
|
GLfloat vec[4]; |
874 |
|
double depthlim[2]; |
875 |
|
/* set depth limits */ |
876 |
< |
otDepthLimit(depthlim, odev.v.vp, odev.v.vdir); |
876 |
> |
gmDepthLimit(depthlim, odev.v.vp, odev.v.vdir); |
877 |
|
if (depthlim[0] >= depthlim[1]) { |
878 |
|
dev_zmin = 1.; |
879 |
|
dev_zmax = 100.; |
880 |
|
} else { |
881 |
|
dev_zmin = 0.5*depthlim[0]; |
882 |
< |
dev_zmax = 1.5*depthlim[1]; |
882 |
> |
dev_zmax = 1.75*depthlim[1]; |
883 |
|
if (dev_zmin > dev_zmax/5.) |
884 |
|
dev_zmin = dev_zmax/5.; |
885 |
|
} |
908 |
|
odev.v.vp[2] + odev.v.vdir[2], |
909 |
|
odev.v.vup[0], odev.v.vup[1], odev.v.vup[2]); |
910 |
|
checkglerr("setting perspective view"); |
814 |
– |
isperspective = 1; |
911 |
|
vec[0] = vec[1] = vec[2] = 0.; vec[3] = 1.; |
912 |
|
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, vec); |
913 |
|
vec[0] = -odev.v.vdir[0]; |
923 |
|
glEnable(GL_LIGHT0); |
924 |
|
glEnable(GL_LIGHTING); /* light our GL objects */ |
925 |
|
glShadeModel(GL_SMOOTH); |
926 |
+ |
viewflags &= ~VWORTHO; |
927 |
+ |
viewflags |= VWPERSP; |
928 |
|
} |
929 |
|
|
930 |
|
|
931 |
|
static |
932 |
|
setglortho() /* set up orthographic view for cone drawing */ |
933 |
|
{ |
934 |
+ |
glDrawBuffer(GL_FRONT); /* use single-buffer mode */ |
935 |
|
/* set view matrix */ |
936 |
|
glMatrixMode(GL_PROJECTION); |
937 |
|
glLoadIdentity(); |
938 |
|
glOrtho(0., (double)odev.hres, 0., (double)odev.vres, |
939 |
|
0.001*OMAXDEPTH, 1.001*(-OMAXDEPTH)); |
940 |
|
checkglerr("setting orthographic view"); |
842 |
– |
isperspective = 0; |
941 |
|
glDisable(GL_LIGHTING); /* cones are constant color */ |
942 |
|
glShadeModel(GL_FLAT); |
943 |
+ |
viewflags &= ~VWPERSP; |
944 |
+ |
viewflags |= VWORTHO; |
945 |
|
} |
946 |
|
|
947 |
|
|
948 |
|
static |
949 |
|
wipeclean() /* prepare for redraw */ |
950 |
|
{ |
951 |
< |
/* clear depth buffer */ |
951 |
> |
glDrawBuffer(GL_BACK); /* use double-buffer mode */ |
952 |
> |
glReadBuffer(GL_FRONT); /* read back visible contents */ |
953 |
> |
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); |
954 |
> |
/* clear buffers */ |
955 |
|
#ifdef STEREO |
956 |
|
setstereobuf(STEREO_BUFFER_RIGHT); |
957 |
< |
glClear(GL_DEPTH_BUFFER_BIT); |
957 |
> |
glClear(GL_DEPTH_BUFFER_BIT|GL_COLOR_BUFFER_BIT); |
958 |
|
setstereobuf(STEREO_BUFFER_LEFT); |
959 |
|
#endif |
960 |
< |
glClear(GL_DEPTH_BUFFER_BIT); |
961 |
< |
if (viewsteady) /* clear samples if steady */ |
960 |
> |
glClear(GL_DEPTH_BUFFER_BIT|GL_COLOR_BUFFER_BIT); |
961 |
> |
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_FALSE); |
962 |
> |
freedepth(); |
963 |
> |
if ((viewflags&(VWCHANGE|VWSTEADY)) == |
964 |
> |
(VWCHANGE|VWSTEADY)) { /* clear samples if new */ |
965 |
|
odClean(); |
966 |
< |
if (depthbuffer != NULL) { /* free recorded depth buffer */ |
861 |
< |
#ifdef STEREO |
862 |
< |
odDepthMap(1, NULL); |
863 |
< |
free((char *)depthright); |
864 |
< |
depthright = NULL; |
865 |
< |
#endif |
866 |
< |
odDepthMap(0, NULL); |
867 |
< |
free((char *)depthbuffer); |
868 |
< |
depthbuffer = NULL; |
966 |
> |
viewflags &= ~VWCHANGE; /* change noted */ |
967 |
|
} |
968 |
|
setglpersp(&odev.v); /* reset view & clipping planes */ |
969 |
|
} |
984 |
|
return; |
985 |
|
switch (buf[0]) { |
986 |
|
case 'h': /* turn on height motion lock */ |
987 |
< |
headlocked = 1; |
987 |
> |
viewflags |= VWHEADLOCK; |
988 |
|
return; |
989 |
|
case 'H': /* turn off height motion lock */ |
990 |
< |
headlocked = 0; |
990 |
> |
viewflags &= ~VWHEADLOCK; |
991 |
|
return; |
992 |
|
case 'l': /* retrieve last view */ |
993 |
|
inpresflags |= DFL(DC_LASTVIEW); |
1015 |
|
inpresflags |= DFL(DC_RESUME); |
1016 |
|
return; |
1017 |
|
case CTRL('R'): /* redraw screen */ |
1018 |
< |
odRemap(); |
1019 |
< |
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); |
1018 |
> |
odRemap(0); |
1019 |
> |
glClear(GL_DEPTH_BUFFER_BIT); |
1020 |
|
#ifdef STEREO |
1021 |
|
setstereobuf(STEREO_BUFFER_RIGHT); |
1022 |
< |
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); |
1022 |
> |
glClear(GL_DEPTH_BUFFER_BIT); |
1023 |
|
setstereobuf(STEREO_BUFFER_LEFT); |
1024 |
|
#endif |
1025 |
|
return; |
1030 |
|
XFlush(ourdisplay); |
1031 |
|
sleep(1); |
1032 |
|
wipeclean(); /* fresh display */ |
1033 |
< |
odRemap(); /* new tone mapping */ |
1033 |
> |
odRemap(1); /* fresh tone mapping */ |
1034 |
|
dev_flush(); /* draw octrees */ |
1035 |
|
inpresflags |= DFL(DC_REDRAW); /* resend values from server */ |
1036 |
|
rayqleft = 0; /* hold off update */ |
1067 |
|
xmin = eexp->x; xmax = eexp->x + eexp->width; |
1068 |
|
ymin = odev.vres - eexp->y - eexp->height; ymax = odev.vres - eexp->y; |
1069 |
|
/* clear portion of depth */ |
1070 |
+ |
glPushAttrib(GL_DEPTH_BUFFER_BIT|GL_COLOR_BUFFER_BIT); |
1071 |
|
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); |
1072 |
|
glDepthFunc(GL_ALWAYS); |
1073 |
|
glBegin(GL_POLYGON); |
1087 |
|
odRedraw(1, xmin, ymin, xmax, ymax); |
1088 |
|
setstereobuf(STEREO_BUFFER_LEFT); |
1089 |
|
#endif |
1090 |
< |
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); |
992 |
< |
glDepthFunc(GL_LEQUAL); |
1090 |
> |
glPopAttrib(); |
1091 |
|
odRedraw(0, xmin, ymin, xmax, ymax); |
1092 |
|
} |
1093 |
|
|
1107 |
|
odev.v.horiz = 2.*180./PI * atan(0.5/VIEWDIST*pwidth*odev.hres); |
1108 |
|
odev.v.vert = 2.*180./PI * atan(0.5/VIEWDIST*pheight*odev.vres); |
1109 |
|
|
1110 |
< |
inpresflags |= DFL(DC_SETVIEW)|DFL(DC_REDRAW); |
1110 |
> |
inpresflags |= DFL(DC_SETVIEW); |
1111 |
> |
viewflags |= VWCHANGE; |
1112 |
|
} |