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 |
– |
#ifndef PORTALP |
44 |
– |
#define PORTRED 2 /* portal red color */ |
45 |
– |
#define PORTGRN -1 /* portal green left alone */ |
46 |
– |
#define PORTBLU 128 /* portal blue color */ |
47 |
– |
#define PORTALP -1 /* don't use alpha channel */ |
48 |
– |
#endif |
49 |
– |
#define isportal(c) ((PORTRED<0 || (c)[0]==PORTRED) && \ |
50 |
– |
(PORTGRN<0 || (c)[1]==PORTGRN) && \ |
51 |
– |
(PORTBLU<0 || (c)[2]==PORTBLU) && \ |
52 |
– |
(PORTALP<0 || (c)[3]==PORTALP)) |
53 |
– |
|
43 |
|
#ifndef FEQ |
44 |
|
#define FEQ(a,b) ((a)-(b) <= FTINY && (a)-(b) >= -FTINY) |
45 |
|
#endif |
46 |
|
|
47 |
+ |
#define VWHEADLOCK 01 /* head position is locked flag */ |
48 |
+ |
#define VWPERSP 02 /* perspective view is set */ |
49 |
+ |
#define VWORTHO 04 /* orthographic view is set */ |
50 |
+ |
#define VWCHANGE 010 /* view has changed */ |
51 |
+ |
#define VWSTEADY 020 /* view is now steady */ |
52 |
+ |
#define VWMAPPED 040 /* window is mapped */ |
53 |
+ |
|
54 |
|
#define GAMMA 1.4 /* default gamma correction */ |
55 |
|
|
56 |
|
#define FRAMESTATE(s) (((s)&(ShiftMask|ControlMask))==(ShiftMask|ControlMask)) |
93 |
|
|
94 |
|
static XEvent currentevent; /* current event */ |
95 |
|
|
100 |
– |
static int mapped = 0; /* window is mapped? */ |
96 |
|
static unsigned long ourblack=0, ourwhite=~0; |
97 |
|
|
98 |
|
static Display *ourdisplay = NULL; /* our display */ |
110 |
|
|
111 |
|
static int inpresflags; /* input result flags */ |
112 |
|
|
113 |
< |
static int headlocked; /* lock vertical motion */ |
113 |
> |
static int viewflags; /* what's happening with view */ |
114 |
|
|
120 |
– |
static int isperspective; /* perspective/ortho view */ |
121 |
– |
|
122 |
– |
static int viewsteady; /* is view steady? */ |
123 |
– |
|
115 |
|
static int resizewindow(), getevent(), getkey(), moveview(), wipeclean(), |
116 |
|
xferdepth(), freedepth(), setglortho(), |
117 |
|
setglpersp(), getframe(), getmove(), fixwindow(), mytmflags(); |
132 |
|
{ |
133 |
|
extern char *getenv(); |
134 |
|
static RGBPRIMS myprims = STDPRIMS; |
135 |
< |
#if (PORTALP<0) |
136 |
< |
static int atlBest[] = {GLX_RGBA, GLX_RED_SIZE,8, |
137 |
< |
GLX_GREEN_SIZE,8, GLX_BLUE_SIZE,8, |
138 |
< |
GLX_DEPTH_SIZE,15, None}; |
139 |
< |
#else |
140 |
< |
static int atlBest[] = {GLX_RGBA, GLX_RED_SIZE,8, |
150 |
< |
GLX_GREEN_SIZE,8, GLX_BLUE_SIZE,8, |
151 |
< |
GLX_ALPHA_SIZE,2, GLX_DEPTH_SIZE,15, None}; |
152 |
< |
#endif |
135 |
> |
static int atlBest[] = {GLX_RGBA, GLX_DOUBLEBUFFER, |
136 |
> |
GLX_RED_SIZE,8, GLX_GREEN_SIZE,8, |
137 |
> |
GLX_BLUE_SIZE,8, GLX_DEPTH_SIZE,15, None}; |
138 |
> |
static int atlOK[] = {GLX_RGBA, GLX_DOUBLEBUFFER, |
139 |
> |
GLX_RED_SIZE,4, GLX_GREEN_SIZE,4, |
140 |
> |
GLX_BLUE_SIZE,4, GLX_DEPTH_SIZE,15, None}; |
141 |
|
char *ev; |
142 |
|
double gamval = GAMMA; |
143 |
|
RGBPRIMP dpri = stdprims; |
150 |
|
#endif |
151 |
|
/* open display server */ |
152 |
|
ourdisplay = XOpenDisplay(NULL); |
153 |
< |
if (ourdisplay == NULL) |
154 |
< |
error(USER, "cannot open X-windows; DISPLAY variable set?\n"); |
153 |
> |
CHECK(ourdisplay==NULL, USER, |
154 |
> |
"cannot open X-windows; DISPLAY variable set?"); |
155 |
|
#ifdef STEREO |
156 |
|
switch (XSGIQueryStereoMode(ourdisplay, ourroot)) { |
157 |
|
case STEREO_TOP: |
159 |
|
break; |
160 |
|
case STEREO_OFF: |
161 |
|
error(USER, |
162 |
< |
"wrong video mode: run \"/usr/gfx/setmon -n STR_TOP\" first"); |
162 |
> |
"wrong video mode: run \"/usr/gfx/setmon -n STR_TOP\" first"); |
163 |
|
case X_STEREO_UNSUPPORTED: |
164 |
|
error(USER, "stereo mode not supported on this screen"); |
165 |
|
default: |
169 |
|
/* find a usable visual */ |
170 |
|
ourvinf = glXChooseVisual(ourdisplay, ourscreen, atlBest); |
171 |
|
if (ourvinf == NULL) |
172 |
< |
error(USER, "no suitable visuals available"); |
172 |
> |
ourvinf = glXChooseVisual(ourdisplay, ourscreen, atlOK); |
173 |
> |
CHECK(ourvinf==NULL, USER, "no suitable visuals available"); |
174 |
|
/* get a context */ |
175 |
|
gctx = glXCreateContext(ourdisplay, ourvinf, NULL, GL_TRUE); |
176 |
|
/* set gamma and tone mapping */ |
202 |
|
#endif |
203 |
|
BORWIDTH, ourvinf->depth, InputOutput, ourvinf->visual, |
204 |
|
CWBackPixel|CWBorderPixel|CWColormap|CWEventMask, &ourwinattr); |
205 |
< |
if (gwind == 0) |
217 |
< |
error(SYSTEM, "cannot create window\n"); |
205 |
> |
CHECK(gwind==0, SYSTEM, "cannot create window"); |
206 |
|
XStoreName(ourdisplay, gwind, id); |
207 |
|
/* set window manager hints */ |
208 |
|
ourxwmhints.flags = InputHint|IconPixmapHint; |
226 |
|
glXMakeCurrent(ourdisplay, gwind, gctx); |
227 |
|
glEnable(GL_DEPTH_TEST); |
228 |
|
glDepthFunc(GL_LEQUAL); |
229 |
< |
glDisable(GL_DITHER); |
229 |
> |
glClearColor(0, 0, 0, 0); |
230 |
|
glFrontFace(GL_CCW); |
231 |
|
glDisable(GL_CULL_FACE); |
232 |
|
glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, GL_TRUE); |
233 |
|
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); |
234 |
+ |
glPixelStorei(GL_PACK_ALIGNMENT, 1); |
235 |
+ |
glPixelStorei(GL_UNPACK_ALIGNMENT, 1); |
236 |
|
/* figure out sensible view */ |
237 |
|
pwidth = (double)DisplayWidthMM(ourdisplay, ourscreen) / |
238 |
|
DisplayWidth(ourdisplay, ourscreen); |
245 |
|
checkglerr("setting rendering parameters"); |
246 |
|
copystruct(&odev.v, &stdview); |
247 |
|
odev.v.type = VT_PER; |
248 |
< |
headlocked = 0; /* free up head movement */ |
259 |
< |
viewsteady = 1; /* view starts static */ |
260 |
< |
isperspective = -1; /* but no view set, yet */ |
248 |
> |
viewflags = VWSTEADY; /* view starts static */ |
249 |
|
/* map the window */ |
250 |
|
XMapWindow(ourdisplay, gwind); |
251 |
|
dev_input(); /* sets size and view angles */ |
252 |
|
if (!odInit(DisplayWidth(ourdisplay,ourscreen) * |
253 |
< |
DisplayHeight(ourdisplay,ourscreen) / 10)) |
253 |
> |
DisplayHeight(ourdisplay,ourscreen) / 4)) |
254 |
|
error(SYSTEM, "insufficient memory for value storage"); |
255 |
|
odev.name = id; |
256 |
|
odev.firstuse = 1; /* can't recycle samples */ |
282 |
|
|
283 |
|
dev_clear() /* clear our representation */ |
284 |
|
{ |
285 |
< |
wipeclean(); |
285 |
> |
viewflags |= VWCHANGE; /* pretend our view has changed */ |
286 |
> |
wipeclean(); /* clean off display and samples */ |
287 |
|
rayqleft = 0; /* hold off update */ |
288 |
|
} |
289 |
|
|
336 |
|
VSUM(vwright.vp, nv->vp, nv->hvec, d); |
337 |
|
/* setview(&vwright); -- Unnecessary */ |
338 |
|
#endif |
339 |
< |
} else |
340 |
< |
viewsteady = 1; |
339 |
> |
viewflags |= VWCHANGE; |
340 |
> |
} |
341 |
|
wipeclean(); |
342 |
|
return(1); |
343 |
|
} |
352 |
|
if (gfn == NULL) { |
353 |
|
gmEndGeom(); |
354 |
|
gmEndPortal(); |
355 |
+ |
wipeclean(); /* new geometry, so redraw it */ |
356 |
|
return; |
357 |
|
} |
358 |
|
if (access(gfn, R_OK) == 0) |
433 |
|
{ |
434 |
|
int ndrawn; |
435 |
|
|
436 |
< |
if (mapped && isperspective > 0) { |
436 |
> |
if ((viewflags&(VWMAPPED|VWPERSP)) == (VWMAPPED|VWPERSP)) { |
437 |
|
#ifdef STEREO |
438 |
|
pushright(); /* draw right eye */ |
439 |
|
ndrawn = gmDrawGeom(); |
440 |
|
#ifdef DOBJ |
441 |
|
ndrawn += dobj_render(); |
442 |
|
#endif |
453 |
– |
if (ndrawn) |
454 |
– |
gmDrawPortals(PORTRED, PORTGRN, PORTBLU, PORTALP); |
443 |
|
checkglerr("rendering right eye"); |
444 |
|
popright(); /* draw left eye */ |
445 |
|
#endif |
447 |
|
#ifdef DOBJ |
448 |
|
ndrawn += dobj_render(); |
449 |
|
#endif |
450 |
< |
if (ndrawn) |
463 |
< |
gmDrawPortals(PORTRED, PORTGRN, PORTBLU, PORTALP); |
450 |
> |
glXSwapBuffers(ourdisplay, gwind); |
451 |
|
checkglerr("rendering base view"); |
452 |
|
} |
453 |
< |
if (mapped && viewsteady) { |
454 |
< |
if (isperspective) { /* first time after steady */ |
453 |
> |
if ((viewflags&(VWMAPPED|VWSTEADY|VWPERSP|VWORTHO)) == |
454 |
> |
(VWMAPPED|VWSTEADY|VWPERSP)) { |
455 |
> |
/* first time after steady */ |
456 |
> |
if (ndrawn) |
457 |
> |
xferdepth(); /* transfer and clear depth */ |
458 |
> |
setglortho(); /* set orthographic view */ |
459 |
> |
|
460 |
> |
} |
461 |
> |
if ((viewflags&(VWMAPPED|VWSTEADY|VWPERSP|VWORTHO)) == |
462 |
> |
(VWMAPPED|VWSTEADY|VWORTHO)) { |
463 |
> |
/* else update cones */ |
464 |
|
#ifdef STEREO |
465 |
< |
pushright(); |
466 |
< |
popright(); |
465 |
> |
pushright(); |
466 |
> |
odUpdate(1); /* draw right eye */ |
467 |
> |
popright(); |
468 |
|
#endif |
469 |
< |
if (ndrawn) |
470 |
< |
xferdepth(); /* transfer and clear depth */ |
474 |
< |
setglortho(); /* set orthographic view */ |
475 |
< |
} else { |
476 |
< |
#ifdef STEREO |
477 |
< |
pushright(); |
478 |
< |
odUpdate(1); /* draw right eye */ |
479 |
< |
popright(); |
480 |
< |
#endif |
481 |
< |
odUpdate(0); /* draw left eye */ |
482 |
< |
} |
469 |
> |
odUpdate(0); /* draw left eye */ |
470 |
> |
glFlush(); /* flush OpenGL */ |
471 |
|
} |
484 |
– |
glFlush(); /* flush OpenGL */ |
472 |
|
rayqleft = RAYQLEN; |
473 |
|
/* flush X11 and return # pending */ |
474 |
|
return(odev.inpready = XPending(ourdisplay)); |
492 |
|
xferdepth() /* load and clear depth buffer */ |
493 |
|
{ |
494 |
|
register GLfloat *dbp; |
495 |
< |
register GLubyte *cbuf; |
495 |
> |
register GLubyte *pbuf; |
496 |
|
|
497 |
|
if (depthbuffer == NULL) { /* allocate private depth buffer */ |
498 |
|
#ifdef STEREO |
501 |
|
#endif |
502 |
|
depthbuffer = (GLfloat *)malloc( |
503 |
|
odev.hres*odev.vres*sizeof(GLfloat)); |
504 |
< |
if (depthbuffer == NULL) |
518 |
< |
error(SYSTEM, "out of memory in xferdepth"); |
504 |
> |
CHECK(depthbuffer==NULL, SYSTEM, "out of memory in xferdepth"); |
505 |
|
} |
506 |
|
/* allocate alpha buffer for portals */ |
507 |
|
if (gmPortals) |
508 |
< |
cbuf = (GLubyte *)malloc(odev.hres*odev.vres* |
523 |
< |
(4*sizeof(GLubyte))); |
508 |
> |
pbuf = (GLubyte *)malloc(odev.hres*odev.vres*sizeof(GLubyte)); |
509 |
|
else |
510 |
< |
cbuf = NULL; |
510 |
> |
pbuf = NULL; |
511 |
|
#ifdef STEREO |
512 |
|
setstereobuf(STEREO_BUFFER_RIGHT); |
513 |
|
glReadPixels(0, 0, odev.hres, odev.vres, |
514 |
|
GL_DEPTH_COMPONENT, GL_FLOAT, depthright); |
515 |
< |
if (cbuf != NULL) |
515 |
> |
if (pbuf != NULL) { |
516 |
> |
glClear(GL_COLOR_BUFFER_BIT); |
517 |
> |
gmDrawPortals(0xff, -1, -1, -1); |
518 |
|
glReadPixels(0, 0, odev.hres, odev.vres, |
519 |
< |
GL_RGBA, GL_UNSIGNED_BYTE, cbuf); |
519 |
> |
GL_RED, GL_UNSIGNED_BYTE, pbuf); |
520 |
> |
} |
521 |
|
for (dbp = depthright + odev.hres*odev.vres; dbp-- > depthright; ) |
522 |
< |
if (cbuf != NULL && isportal(cbuf+4*(dbp-depthright))) |
522 |
> |
if (pbuf != NULL && pbuf[dbp-depthright]&0x40) |
523 |
|
*dbp = FHUGE; |
524 |
|
else |
525 |
|
*dbp = mapdepth(*dbp); |
530 |
|
/* read back depth buffer */ |
531 |
|
glReadPixels(0, 0, odev.hres, odev.vres, |
532 |
|
GL_DEPTH_COMPONENT, GL_FLOAT, depthbuffer); |
533 |
< |
if (cbuf != NULL) |
533 |
> |
if (pbuf != NULL) { |
534 |
> |
glClear(GL_COLOR_BUFFER_BIT); /* find portals */ |
535 |
> |
gmDrawPortals(0xff, -1, -1, -1); |
536 |
|
glReadPixels(0, 0, odev.hres, odev.vres, |
537 |
< |
GL_RGBA, GL_UNSIGNED_BYTE, cbuf); |
537 |
> |
GL_RED, GL_UNSIGNED_BYTE, pbuf); |
538 |
> |
#ifdef DEBUG |
539 |
> |
glXSwapBuffers(ourdisplay, gwind); |
540 |
> |
#endif |
541 |
> |
} |
542 |
|
for (dbp = depthbuffer + odev.hres*odev.vres; dbp-- > depthbuffer; ) |
543 |
< |
if (cbuf != NULL && isportal(cbuf+4*(dbp-depthbuffer))) |
543 |
> |
if (pbuf != NULL && pbuf[dbp-depthbuffer]&0x40) |
544 |
|
*dbp = FHUGE; |
545 |
|
else |
546 |
|
*dbp = mapdepth(*dbp); |
547 |
|
glClear(GL_DEPTH_BUFFER_BIT); /* clear system depth buffer */ |
554 |
– |
if (cbuf != NULL) |
555 |
– |
free((char *)cbuf); /* free our color buffer */ |
548 |
|
odDepthMap(0, depthbuffer); /* transfer depth data */ |
549 |
+ |
if (pbuf != NULL) |
550 |
+ |
free((char *)pbuf); /* free our portal buffer */ |
551 |
|
} |
552 |
|
|
553 |
|
|
573 |
|
FVECT direc; |
574 |
|
{ |
575 |
|
GLfloat gldepth; |
582 |
– |
GLubyte glcolor[4]; |
576 |
|
double dist; |
577 |
|
|
578 |
|
if (dx<0 | dx>=odev.hres | dy<0 | dy>=odev.vres) |
582 |
|
else { |
583 |
|
glReadPixels(dx,dy, 1,1, GL_DEPTH_COMPONENT, |
584 |
|
GL_FLOAT, &gldepth); |
592 |
– |
if (gmPortals) { |
593 |
– |
glReadPixels(dx,dy, 1,1, GL_RGBA, |
594 |
– |
GL_UNSIGNED_BYTE, glcolor); |
595 |
– |
if (isportal(glcolor)) |
596 |
– |
return(FHUGE); |
597 |
– |
} |
585 |
|
dist = mapdepth(gldepth); |
586 |
|
} |
587 |
|
if (dist >= .99*FHUGE) |
597 |
|
double d; |
598 |
|
|
599 |
|
setstereobuf(STEREO_BUFFER_RIGHT); |
600 |
< |
if (isperspective > 0) { |
600 |
> |
if (viewflags & VWPERSP) { |
601 |
|
glMatrixMode(GL_MODELVIEW); |
602 |
|
glPushMatrix(); |
603 |
|
d = -eyesepdist / sqrt(odev.v.hn2); |
611 |
|
static |
612 |
|
popright() /* pop off right view & buffer */ |
613 |
|
{ |
614 |
< |
if (isperspective > 0) { |
614 |
> |
if (viewflags & VWPERSP) { |
615 |
|
glMatrixMode(GL_MODELVIEW); |
616 |
|
glPopMatrix(); |
617 |
|
} |
654 |
|
resizewindow(levptr(XConfigureEvent)); |
655 |
|
break; |
656 |
|
case UnmapNotify: |
657 |
< |
mapped = 0; |
657 |
> |
viewflags &= ~VWMAPPED; |
658 |
|
break; |
659 |
|
case MapNotify: |
660 |
|
odRemap(0); |
661 |
< |
mapped = 1; |
661 |
> |
viewflags |= VWMAPPED; |
662 |
|
break; |
663 |
|
case Expose: |
664 |
|
fixwindow(levptr(XExposeEvent)); |
692 |
|
glPushAttrib(GL_LIGHTING_BIT|GL_ENABLE_BIT); |
693 |
|
glDisable(GL_LIGHTING); |
694 |
|
if (fore) |
695 |
< |
glColor3ub(0, 255, 255); |
695 |
> |
glColor3ub(4, 250, 250); |
696 |
|
else |
697 |
|
glColor3ub(0, 0, 0); |
698 |
|
glBegin(GL_LINES); /* draw each grid line */ |
745 |
|
d = MOVPCT/100. * mov; |
746 |
|
VSUM(nv.vp, nv.vp, odir, d); |
747 |
|
} |
748 |
< |
if (!mov ^ !orb && headlocked) { /* restore head height */ |
748 |
> |
if (!mov ^ !orb && viewflags&VWHEADLOCK) { /* restore height */ |
749 |
|
VSUM(v1, odev.v.vp, nv.vp, -1.); |
750 |
|
d = DOT(v1, nv.vup); |
751 |
|
VSUM(nv.vp, nv.vp, odev.v.vup, d); |
794 |
|
|
795 |
|
XNoOp(ourdisplay); /* makes sure we're not idle */ |
796 |
|
|
797 |
< |
viewsteady = 0; /* flag moving view */ |
797 |
> |
viewflags &= ~VWSTEADY; /* flag moving view */ |
798 |
|
setglpersp(&odev.v); /* start us off in perspective */ |
799 |
|
while (!XCheckMaskEvent(ourdisplay, |
800 |
|
ButtonReleaseMask, levptr(XEvent))) { |
815 |
|
#ifdef DOBJ |
816 |
|
ndrawn += dobj_render(); |
817 |
|
#endif |
831 |
– |
if (ndrawn) |
832 |
– |
gmDrawPortals(PORTRED, PORTGRN, PORTBLU, PORTALP); |
818 |
|
popright(); |
819 |
|
#endif |
820 |
|
/* redraw octrees */ |
822 |
|
#ifdef DOBJ |
823 |
|
ndrawn += dobj_render(); /* redraw objects */ |
824 |
|
#endif |
825 |
< |
if (ndrawn) |
826 |
< |
gmDrawPortals(PORTRED, PORTGRN, PORTBLU, PORTALP); |
842 |
< |
glFlush(); |
843 |
< |
if (!ndrawn) { |
825 |
> |
glXSwapBuffers(ourdisplay, gwind); |
826 |
> |
if (!ndrawn) |
827 |
|
sleep(1); /* for reasonable interaction */ |
845 |
– |
#ifdef STEREO |
846 |
– |
pushright(); |
847 |
– |
draw_grids(0); |
848 |
– |
popright(); |
849 |
– |
#endif |
850 |
– |
draw_grids(0); |
851 |
– |
} |
828 |
|
} |
829 |
|
if (!(inpresflags & DFL(DC_SETVIEW))) { /* do final motion */ |
830 |
|
movdir = MOVDIR(levptr(XButtonReleasedEvent)->button); |
832 |
|
wy = levptr(XButtonReleasedEvent)->y; |
833 |
|
moveview(wx, odev.vres-1-wy, movdir, movorb); |
834 |
|
} |
835 |
+ |
viewflags |= VWSTEADY; /* done goofing around */ |
836 |
|
} |
837 |
|
|
838 |
|
|
850 |
|
dev_zmax = 100.; |
851 |
|
} else { |
852 |
|
dev_zmin = 0.5*depthlim[0]; |
853 |
< |
dev_zmax = 1.75*depthlim[1]; |
853 |
> |
dev_zmax = 2.0*depthlim[1]; |
854 |
|
if (dev_zmin > dev_zmax/5.) |
855 |
|
dev_zmin = dev_zmax/5.; |
856 |
|
} |
879 |
|
odev.v.vp[2] + odev.v.vdir[2], |
880 |
|
odev.v.vup[0], odev.v.vup[1], odev.v.vup[2]); |
881 |
|
checkglerr("setting perspective view"); |
905 |
– |
isperspective = 1; |
882 |
|
vec[0] = vec[1] = vec[2] = 0.; vec[3] = 1.; |
883 |
|
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, vec); |
884 |
|
vec[0] = -odev.v.vdir[0]; |
894 |
|
glEnable(GL_LIGHT0); |
895 |
|
glEnable(GL_LIGHTING); /* light our GL objects */ |
896 |
|
glShadeModel(GL_SMOOTH); |
897 |
+ |
viewflags &= ~VWORTHO; |
898 |
+ |
viewflags |= VWPERSP; |
899 |
|
} |
900 |
|
|
901 |
|
|
902 |
|
static |
903 |
|
setglortho() /* set up orthographic view for cone drawing */ |
904 |
|
{ |
905 |
+ |
glDrawBuffer(GL_FRONT); /* use single-buffer mode */ |
906 |
|
/* set view matrix */ |
907 |
|
glMatrixMode(GL_PROJECTION); |
908 |
|
glLoadIdentity(); |
909 |
|
glOrtho(0., (double)odev.hres, 0., (double)odev.vres, |
910 |
|
0.001*OMAXDEPTH, 1.001*(-OMAXDEPTH)); |
911 |
|
checkglerr("setting orthographic view"); |
933 |
– |
isperspective = 0; |
912 |
|
glDisable(GL_LIGHTING); /* cones are constant color */ |
913 |
|
glShadeModel(GL_FLAT); |
914 |
+ |
viewflags &= ~VWPERSP; |
915 |
+ |
viewflags |= VWORTHO; |
916 |
|
} |
917 |
|
|
918 |
|
|
919 |
|
static |
920 |
|
wipeclean() /* prepare for redraw */ |
921 |
|
{ |
922 |
< |
/* clear depth buffer */ |
922 |
> |
glDrawBuffer(GL_BACK); /* use double-buffer mode */ |
923 |
> |
glReadBuffer(GL_BACK); |
924 |
> |
/* clear buffers */ |
925 |
|
#ifdef STEREO |
926 |
|
setstereobuf(STEREO_BUFFER_RIGHT); |
927 |
< |
glClear(GL_DEPTH_BUFFER_BIT); |
927 |
> |
glClear(GL_DEPTH_BUFFER_BIT|GL_COLOR_BUFFER_BIT); |
928 |
|
setstereobuf(STEREO_BUFFER_LEFT); |
929 |
|
#endif |
930 |
< |
glClear(GL_DEPTH_BUFFER_BIT); |
949 |
< |
if (viewsteady) /* clear samples if steady */ |
950 |
< |
odClean(); |
930 |
> |
glClear(GL_DEPTH_BUFFER_BIT|GL_COLOR_BUFFER_BIT); |
931 |
|
freedepth(); |
932 |
+ |
if ((viewflags&(VWCHANGE|VWSTEADY)) == |
933 |
+ |
(VWCHANGE|VWSTEADY)) { /* clear samples if new */ |
934 |
+ |
odClean(); |
935 |
+ |
viewflags &= ~VWCHANGE; /* change noted */ |
936 |
+ |
} else if (viewflags & VWSTEADY) |
937 |
+ |
odRedrawAll(); |
938 |
|
setglpersp(&odev.v); /* reset view & clipping planes */ |
939 |
|
} |
940 |
|
|
954 |
|
return; |
955 |
|
switch (buf[0]) { |
956 |
|
case 'h': /* turn on height motion lock */ |
957 |
< |
headlocked = 1; |
957 |
> |
viewflags |= VWHEADLOCK; |
958 |
|
return; |
959 |
|
case 'H': /* turn off height motion lock */ |
960 |
< |
headlocked = 0; |
960 |
> |
viewflags &= ~VWHEADLOCK; |
961 |
|
return; |
962 |
|
case 'l': /* retrieve last view */ |
963 |
|
inpresflags |= DFL(DC_LASTVIEW); |
985 |
|
inpresflags |= DFL(DC_RESUME); |
986 |
|
return; |
987 |
|
case CTRL('R'): /* redraw screen */ |
988 |
< |
odRemap(0); |
989 |
< |
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); |
988 |
> |
odRemap(0); /* new tone mapping */ |
989 |
> |
glClear(GL_DEPTH_BUFFER_BIT); |
990 |
|
#ifdef STEREO |
991 |
|
setstereobuf(STEREO_BUFFER_RIGHT); |
992 |
< |
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); |
992 |
> |
glClear(GL_DEPTH_BUFFER_BIT); |
993 |
|
setstereobuf(STEREO_BUFFER_LEFT); |
994 |
|
#endif |
995 |
|
return; |
998 |
|
return; |
999 |
|
XRaiseWindow(ourdisplay, gwind); |
1000 |
|
XFlush(ourdisplay); |
1001 |
< |
sleep(1); |
1002 |
< |
wipeclean(); /* fresh display */ |
1017 |
< |
odRemap(1); /* fresh tone mapping */ |
1001 |
> |
sleep(1); /* wait for restacking */ |
1002 |
> |
dev_clear(); /* clear display and samples */ |
1003 |
|
dev_flush(); /* draw octrees */ |
1004 |
+ |
odRemap(1); /* start fresh histogram */ |
1005 |
|
inpresflags |= DFL(DC_REDRAW); /* resend values from server */ |
1020 |
– |
rayqleft = 0; /* hold off update */ |
1006 |
|
return; |
1007 |
|
case 'K': /* kill rtrace process(es) */ |
1008 |
|
inpresflags |= DFL(DC_KILL); |
1035 |
|
} |
1036 |
|
xmin = eexp->x; xmax = eexp->x + eexp->width; |
1037 |
|
ymin = odev.vres - eexp->y - eexp->height; ymax = odev.vres - eexp->y; |
1038 |
+ |
|
1039 |
+ |
if (xmin <= 0 && xmax >= odev.hres-1 && |
1040 |
+ |
ymin <= 0 && ymax >= odev.vres) { |
1041 |
+ |
DCHECK(eexp->count, WARNING, "multiple clear in fixwindow"); |
1042 |
+ |
if (viewflags & VWORTHO) /* workaround for... */ |
1043 |
+ |
glDrawBuffer(GL_FRONT); /* ...GLX window mapping bug */ |
1044 |
+ |
glClear(GL_DEPTH_BUFFER_BIT); /* clear the entire buffer */ |
1045 |
+ |
#ifdef STEREO |
1046 |
+ |
setstereobuf(STEREO_BUFFER_RIGHT); |
1047 |
+ |
glClear(GL_DEPTH_BUFFER_BIT); |
1048 |
+ |
setstereobuf(STEREO_BUFFER_LEFT); |
1049 |
+ |
#endif |
1050 |
+ |
odRedrawAll(); |
1051 |
+ |
return; |
1052 |
+ |
} |
1053 |
|
/* clear portion of depth */ |
1054 |
|
glPushAttrib(GL_DEPTH_BUFFER_BIT|GL_COLOR_BUFFER_BIT); |
1055 |
|
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); |
1092 |
|
odev.v.vert = 2.*180./PI * atan(0.5/VIEWDIST*pheight*odev.vres); |
1093 |
|
|
1094 |
|
inpresflags |= DFL(DC_SETVIEW); |
1095 |
+ |
viewflags |= VWCHANGE; |
1096 |
|
} |