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 |
132 |
|
{ |
133 |
|
extern char *getenv(); |
134 |
|
static RGBPRIMS myprims = STDPRIMS; |
146 |
– |
#if (PORTALP<0) |
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}; |
153 |
– |
#else |
154 |
– |
static int atlBest[] = {GLX_RGBA, GLX_DOUBLEBUFFER, |
155 |
– |
GLX_RED_SIZE,8, GLX_GREEN_SIZE,8, |
156 |
– |
GLX_BLUE_SIZE,8, GLX_ALPHA_SIZE,2, |
157 |
– |
GLX_DEPTH_SIZE,15, None}; |
158 |
– |
static int atlOK[] = {GLX_RGBA, GLX_DOUBLEBUFFER, |
159 |
– |
GLX_RED_SIZE,4, GLX_GREEN_SIZE,4, |
160 |
– |
GLX_BLUE_SIZE,4, GLX_ALPHA_SIZE,2, |
161 |
– |
GLX_DEPTH_SIZE,15, None}; |
162 |
– |
#endif |
141 |
|
char *ev; |
142 |
|
double gamval = GAMMA; |
143 |
|
RGBPRIMP dpri = stdprims; |
226 |
|
glXMakeCurrent(ourdisplay, gwind, gctx); |
227 |
|
glEnable(GL_DEPTH_TEST); |
228 |
|
glDepthFunc(GL_LEQUAL); |
229 |
< |
glEnable(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); |
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 |
|
|
440 |
|
#ifdef DOBJ |
441 |
|
ndrawn += dobj_render(); |
442 |
|
#endif |
462 |
– |
if (ndrawn && gmPortals) |
463 |
– |
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 |
471 |
– |
if (ndrawn && gmPortals) |
472 |
– |
gmDrawPortals(PORTRED,PORTGRN,PORTBLU,PORTALP); |
450 |
|
glXSwapBuffers(ourdisplay, gwind); |
451 |
|
checkglerr("rendering base view"); |
452 |
|
} |
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 |
505 |
|
} |
506 |
|
/* allocate alpha buffer for portals */ |
507 |
|
if (gmPortals) |
508 |
< |
cbuf = (GLubyte *)malloc(odev.hres*odev.vres * |
532 |
< |
(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 */ |
563 |
– |
if (cbuf != NULL) |
564 |
– |
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; |
591 |
– |
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); |
601 |
– |
if (gmPortals) { |
602 |
– |
glReadPixels(dx,dy, 1,1, GL_RGBA, |
603 |
– |
GL_UNSIGNED_BYTE, glcolor); |
604 |
– |
if (isportal(glcolor)) |
605 |
– |
return(FHUGE); |
606 |
– |
} |
585 |
|
dist = mapdepth(gldepth); |
586 |
|
} |
587 |
|
if (dist >= .99*FHUGE) |
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 */ |
815 |
|
#ifdef DOBJ |
816 |
|
ndrawn += dobj_render(); |
817 |
|
#endif |
840 |
– |
if (ndrawn && gmPortals) |
841 |
– |
gmDrawPortals(PORTRED,PORTGRN,PORTBLU,PORTALP); |
818 |
|
popright(); |
819 |
|
#endif |
820 |
|
/* redraw octrees */ |
822 |
|
#ifdef DOBJ |
823 |
|
ndrawn += dobj_render(); /* redraw objects */ |
824 |
|
#endif |
849 |
– |
if (ndrawn && gmPortals) |
850 |
– |
gmDrawPortals(PORTRED, PORTGRN, PORTBLU, PORTALP); |
825 |
|
glXSwapBuffers(ourdisplay, gwind); |
826 |
|
if (!ndrawn) |
827 |
|
sleep(1); /* for reasonable interaction */ |
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 |
|
} |
920 |
|
wipeclean() /* prepare for redraw */ |
921 |
|
{ |
922 |
|
glDrawBuffer(GL_BACK); /* use double-buffer mode */ |
923 |
+ |
glReadBuffer(GL_BACK); |
924 |
|
/* clear buffers */ |
925 |
|
#ifdef STEREO |
926 |
|
setstereobuf(STEREO_BUFFER_RIGHT); |
933 |
|
(VWCHANGE|VWSTEADY)) { /* clear samples if new */ |
934 |
|
odClean(); |
935 |
|
viewflags &= ~VWCHANGE; /* change noted */ |
936 |
< |
} |
936 |
> |
} else if (viewflags & VWSTEADY) |
937 |
> |
odRedrawAll(); |
938 |
|
setglpersp(&odev.v); /* reset view & clipping planes */ |
939 |
|
} |
940 |
|
|
985 |
|
inpresflags |= DFL(DC_RESUME); |
986 |
|
return; |
987 |
|
case CTRL('R'): /* redraw screen */ |
988 |
< |
odRemap(0); |
988 |
> |
odRemap(0); /* new tone mapping */ |
989 |
|
glClear(GL_DEPTH_BUFFER_BIT); |
990 |
|
#ifdef STEREO |
991 |
|
setstereobuf(STEREO_BUFFER_RIGHT); |
998 |
|
return; |
999 |
|
XRaiseWindow(ourdisplay, gwind); |
1000 |
|
XFlush(ourdisplay); |
1001 |
< |
sleep(1); |
1002 |
< |
wipeclean(); /* fresh display */ |
1027 |
< |
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 */ |
1030 |
– |
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); |