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< |
/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
1 |
> |
/* Copyright (c) 1999 Silicon Graphics, Inc. */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ SGI"; |
37 |
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#include "x11icon.h" |
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|
39 |
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#ifndef RAYQLEN |
40 |
< |
#define RAYQLEN 10240 /* max. rays to queue before flush */ |
40 |
> |
#define RAYQLEN 0 /* max. rays to queue before flush */ |
41 |
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#endif |
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|
43 |
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#ifndef FEQ |
44 |
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#define FEQ(a,b) ((a)-(b) <= FTINY && (a)-(b) >= -FTINY) |
45 |
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#endif |
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|
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 */ |
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|
54 |
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#define GAMMA 1.4 /* default gamma correction */ |
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|
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#define FRAMESTATE(s) (((s)&(ShiftMask|ControlMask))==(ShiftMask|ControlMask)) |
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|
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static XEvent currentevent; /* current event */ |
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|
89 |
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static int mapped = 0; /* window is mapped? */ |
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static unsigned long ourblack=0, ourwhite=~0; |
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|
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static Display *ourdisplay = NULL; /* our display */ |
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static int inpresflags; /* input result flags */ |
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113 |
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static int headlocked; /* lock vertical motion */ |
113 |
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static int viewflags; /* what's happening with view */ |
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|
109 |
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static int isperspective; /* perspective/ortho view */ |
110 |
– |
|
111 |
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static int viewsteady; /* is view steady? */ |
112 |
– |
|
115 |
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static int resizewindow(), getevent(), getkey(), moveview(), wipeclean(), |
116 |
< |
xferdepth(), setglortho(), |
116 |
> |
xferdepth(), freedepth(), setglortho(), |
117 |
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setglpersp(), getframe(), getmove(), fixwindow(), mytmflags(); |
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|
119 |
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static double getdistance(); |
122 |
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static int pushright(), popright(); |
123 |
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#endif |
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|
125 |
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extern int gmPortals; /* GL portal list id */ |
126 |
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|
127 |
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extern time_t time(); |
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|
129 |
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|
132 |
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{ |
133 |
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extern char *getenv(); |
134 |
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static RGBPRIMS myprims = STDPRIMS; |
135 |
< |
static int atlBest[] = {GLX_RGBA, GLX_RED_SIZE,8, |
136 |
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GLX_GREEN_SIZE,8, GLX_BLUE_SIZE,8, |
137 |
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GLX_DEPTH_SIZE,15, None}; |
135 |
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static int atlBest[] = {GLX_RGBA, GLX_DOUBLEBUFFER, |
136 |
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GLX_RED_SIZE,8, GLX_GREEN_SIZE,8, |
137 |
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GLX_BLUE_SIZE,8, GLX_DEPTH_SIZE,15, None}; |
138 |
> |
static int atlOK[] = {GLX_RGBA, GLX_DOUBLEBUFFER, |
139 |
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GLX_RED_SIZE,4, GLX_GREEN_SIZE,4, |
140 |
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GLX_BLUE_SIZE,4, GLX_DEPTH_SIZE,15, None}; |
141 |
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char *ev; |
142 |
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double gamval = GAMMA; |
143 |
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RGBPRIMP dpri = stdprims; |
150 |
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#endif |
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/* open display server */ |
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ourdisplay = XOpenDisplay(NULL); |
153 |
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if (ourdisplay == NULL) |
154 |
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error(USER, "cannot open X-windows; DISPLAY variable set?\n"); |
153 |
> |
CHECK(ourdisplay==NULL, USER, |
154 |
> |
"cannot open X-windows; DISPLAY variable set?"); |
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#ifdef STEREO |
156 |
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switch (XSGIQueryStereoMode(ourdisplay, ourroot)) { |
157 |
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case STEREO_TOP: |
159 |
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break; |
160 |
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case STEREO_OFF: |
161 |
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error(USER, |
162 |
< |
"wrong video mode: run \"/usr/gfx/setmon -n STR_TOP\" first"); |
162 |
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"wrong video mode: run \"/usr/gfx/setmon -n STR_TOP\" first"); |
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case X_STEREO_UNSUPPORTED: |
164 |
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error(USER, "stereo mode not supported on this screen"); |
165 |
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default: |
169 |
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/* find a usable visual */ |
170 |
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ourvinf = glXChooseVisual(ourdisplay, ourscreen, atlBest); |
171 |
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if (ourvinf == NULL) |
172 |
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error(USER, "no suitable visuals available"); |
172 |
> |
ourvinf = glXChooseVisual(ourdisplay, ourscreen, atlOK); |
173 |
> |
CHECK(ourvinf==NULL, USER, "no suitable visuals available"); |
174 |
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/* get a context */ |
175 |
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gctx = glXCreateContext(ourdisplay, ourvinf, NULL, GL_TRUE); |
176 |
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/* set gamma and tone mapping */ |
202 |
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#endif |
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BORWIDTH, ourvinf->depth, InputOutput, ourvinf->visual, |
204 |
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CWBackPixel|CWBorderPixel|CWColormap|CWEventMask, &ourwinattr); |
205 |
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if (gwind == 0) |
198 |
< |
error(SYSTEM, "cannot create window\n"); |
205 |
> |
CHECK(gwind==0, SYSTEM, "cannot create window"); |
206 |
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XStoreName(ourdisplay, gwind, id); |
207 |
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/* set window manager hints */ |
208 |
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ourxwmhints.flags = InputHint|IconPixmapHint; |
226 |
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glXMakeCurrent(ourdisplay, gwind, gctx); |
227 |
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glEnable(GL_DEPTH_TEST); |
228 |
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glDepthFunc(GL_LEQUAL); |
229 |
< |
glDisable(GL_DITHER); |
229 |
> |
glClearColor(0, 0, 0, 0); |
230 |
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glFrontFace(GL_CCW); |
231 |
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glDisable(GL_CULL_FACE); |
232 |
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glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, GL_TRUE); |
233 |
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glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); |
234 |
+ |
glPixelStorei(GL_PACK_ALIGNMENT, 1); |
235 |
+ |
glPixelStorei(GL_UNPACK_ALIGNMENT, 1); |
236 |
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/* figure out sensible view */ |
237 |
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pwidth = (double)DisplayWidthMM(ourdisplay, ourscreen) / |
238 |
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DisplayWidth(ourdisplay, ourscreen); |
245 |
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checkglerr("setting rendering parameters"); |
246 |
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copystruct(&odev.v, &stdview); |
247 |
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odev.v.type = VT_PER; |
248 |
< |
headlocked = 0; /* free up head movement */ |
240 |
< |
viewsteady = 1; /* view starts static */ |
241 |
< |
isperspective = -1; /* but no view set, yet */ |
248 |
> |
viewflags = VWSTEADY; /* view starts static */ |
249 |
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/* map the window */ |
250 |
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XMapWindow(ourdisplay, gwind); |
251 |
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dev_input(); /* sets size and view angles */ |
252 |
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if (!odInit(DisplayWidth(ourdisplay,ourscreen) * |
253 |
< |
DisplayHeight(ourdisplay,ourscreen) / 10)) |
253 |
> |
DisplayHeight(ourdisplay,ourscreen) / 3)) |
254 |
|
error(SYSTEM, "insufficient memory for value storage"); |
255 |
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odev.name = id; |
256 |
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odev.firstuse = 1; /* can't recycle samples */ |
263 |
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#ifdef DOBJ |
264 |
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dobj_cleanup(); |
265 |
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#endif |
266 |
+ |
freedepth(); |
267 |
+ |
gmEndGeom(); |
268 |
+ |
gmEndPortal(); |
269 |
|
odDone(); |
270 |
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glXMakeCurrent(ourdisplay, None, NULL); |
271 |
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glXDestroyContext(ourdisplay, gctx); |
282 |
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|
283 |
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dev_clear() /* clear our representation */ |
284 |
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{ |
285 |
< |
wipeclean(); |
285 |
> |
viewflags |= VWCHANGE; /* pretend our view has changed */ |
286 |
> |
wipeclean(); /* clean off display and samples */ |
287 |
> |
dev_flush(); /* redraw geometry & get depth */ |
288 |
|
rayqleft = 0; /* hold off update */ |
289 |
|
} |
290 |
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|
331 |
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dev_input(); /* get resize event */ |
332 |
|
} |
333 |
|
copystruct(&odev.v, nv); /* setview() already called */ |
334 |
+ |
viewflags |= VWCHANGE; |
335 |
+ |
} |
336 |
|
#ifdef STEREO |
337 |
< |
copystruct(&vwright, nv); |
338 |
< |
d = eyesepdist / sqrt(nv->hn2); |
339 |
< |
VSUM(vwright.vp, nv->vp, nv->hvec, d); |
340 |
< |
/* setview(&vwright); -- Unnecessary */ |
337 |
> |
copystruct(&vwright, nv); |
338 |
> |
d = eyesepdist / sqrt(nv->hn2); |
339 |
> |
VSUM(vwright.vp, nv->vp, nv->hvec, d); |
340 |
> |
/* setview(&vwright); -- Unnecessary */ |
341 |
|
#endif |
328 |
– |
} else |
329 |
– |
viewsteady = 1; |
342 |
|
wipeclean(); |
343 |
|
return(1); |
344 |
|
} |
345 |
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|
346 |
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|
347 |
< |
dev_section(ofn) /* add octree for geometry rendering */ |
348 |
< |
char *ofn; |
347 |
> |
dev_section(gfn, pfn) /* add octree for geometry rendering */ |
348 |
> |
char *gfn, *pfn; |
349 |
|
{ |
350 |
|
extern char *index(); |
351 |
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char *cp; |
352 |
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|
353 |
< |
if (ofn == NULL) |
354 |
< |
otEndOctree(); |
355 |
< |
else if (access(ofn, R_OK) == 0) |
356 |
< |
otNewOctree(ofn); |
353 |
> |
if (gfn == NULL) { |
354 |
> |
gmEndGeom(); |
355 |
> |
gmEndPortal(); |
356 |
> |
wipeclean(); /* new geometry, so redraw it */ |
357 |
> |
return; |
358 |
> |
} |
359 |
> |
if (access(gfn, R_OK) == 0) |
360 |
> |
gmNewGeom(gfn); |
361 |
|
#ifdef DEBUG |
362 |
|
else { |
363 |
< |
sprintf(errmsg, "cannot load octree \"%s\"", ofn); |
363 |
> |
sprintf(errmsg, "cannot load octree \"%s\"", gfn); |
364 |
|
error(WARNING, errmsg); |
365 |
|
} |
366 |
|
#endif |
367 |
+ |
if (pfn != NULL) |
368 |
+ |
gmNewPortal(pfn); |
369 |
|
} |
370 |
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|
371 |
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|
373 |
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char *cmd, *args; |
374 |
|
{ |
375 |
|
#ifdef DOBJ |
376 |
< |
if (dobj_command(cmd, args) >= 0) |
376 |
> |
int vischange; |
377 |
> |
|
378 |
> |
if ((vischange = dobj_command(cmd, args)) >= 0) { |
379 |
> |
if (vischange) { |
380 |
> |
imm_mode = beam_sync(1) > 0; |
381 |
> |
dev_clear(); |
382 |
> |
} |
383 |
|
return; |
384 |
+ |
} |
385 |
|
#endif |
386 |
|
sprintf(errmsg, "%s: unknown command", cmd); |
387 |
|
error(COMMAND, errmsg); |
441 |
|
{ |
442 |
|
int ndrawn; |
443 |
|
|
444 |
< |
if (mapped && isperspective > 0) { |
444 |
> |
if ((viewflags&(VWMAPPED|VWPERSP)) == (VWMAPPED|VWPERSP)) { |
445 |
|
#ifdef STEREO |
446 |
|
pushright(); /* draw right eye */ |
447 |
< |
otDrawOctrees(); |
447 |
> |
ndrawn = gmDrawGeom(); |
448 |
|
#ifdef DOBJ |
449 |
< |
dobj_render(); |
449 |
> |
ndrawn += dobj_render(); |
450 |
|
#endif |
451 |
|
checkglerr("rendering right eye"); |
452 |
|
popright(); /* draw left eye */ |
453 |
|
#endif |
454 |
< |
ndrawn = otDrawOctrees(); |
454 |
> |
ndrawn = gmDrawGeom(); |
455 |
|
#ifdef DOBJ |
456 |
|
ndrawn += dobj_render(); |
457 |
|
#endif |
458 |
+ |
glXSwapBuffers(ourdisplay, gwind); |
459 |
|
checkglerr("rendering base view"); |
460 |
|
} |
461 |
< |
if (mapped && viewsteady) { |
462 |
< |
if (isperspective) { /* first time after steady */ |
461 |
> |
if ((viewflags&(VWMAPPED|VWSTEADY|VWPERSP|VWORTHO)) == |
462 |
> |
(VWMAPPED|VWSTEADY|VWPERSP)) { |
463 |
> |
/* first time after steady */ |
464 |
> |
if (ndrawn) |
465 |
> |
xferdepth(); /* transfer and clear depth */ |
466 |
> |
setglortho(); /* set orthographic view */ |
467 |
> |
|
468 |
> |
} |
469 |
> |
if ((viewflags&(VWMAPPED|VWSTEADY|VWPERSP|VWORTHO)) == |
470 |
> |
(VWMAPPED|VWSTEADY|VWORTHO)) { |
471 |
> |
/* else update cones */ |
472 |
|
#ifdef STEREO |
473 |
< |
pushright(); |
474 |
< |
popright(); |
473 |
> |
pushright(); |
474 |
> |
odUpdate(1); /* draw right eye */ |
475 |
> |
popright(); |
476 |
|
#endif |
477 |
< |
if (ndrawn) |
478 |
< |
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 |
< |
} |
477 |
> |
odUpdate(0); /* draw left eye */ |
478 |
> |
glFlush(); /* flush OpenGL */ |
479 |
|
} |
453 |
– |
glFlush(); /* flush OpenGL */ |
480 |
|
rayqleft = RAYQLEN; |
481 |
|
/* flush X11 and return # pending */ |
482 |
|
return(odev.inpready = XPending(ourdisplay)); |
500 |
|
xferdepth() /* load and clear depth buffer */ |
501 |
|
{ |
502 |
|
register GLfloat *dbp; |
503 |
+ |
register GLubyte *pbuf; |
504 |
|
|
505 |
< |
if (depthbuffer == NULL) { |
505 |
> |
if (depthbuffer == NULL) { /* allocate private depth buffer */ |
506 |
|
#ifdef STEREO |
507 |
|
depthright = (GLfloat *)malloc( |
508 |
|
odev.hres*odev.vres*sizeof(GLfloat)); |
509 |
|
#endif |
510 |
|
depthbuffer = (GLfloat *)malloc( |
511 |
|
odev.hres*odev.vres*sizeof(GLfloat)); |
512 |
< |
if (depthbuffer == NULL) |
486 |
< |
error(SYSTEM, "out of memory in xferdepth"); |
512 |
> |
CHECK(depthbuffer==NULL, SYSTEM, "out of memory in xferdepth"); |
513 |
|
} |
514 |
+ |
/* allocate alpha buffer for portals */ |
515 |
+ |
if (gmPortals) |
516 |
+ |
pbuf = (GLubyte *)malloc(odev.hres*odev.vres*sizeof(GLubyte)); |
517 |
+ |
else |
518 |
+ |
pbuf = NULL; |
519 |
|
#ifdef STEREO |
520 |
< |
setstereobuf(STEREO_BUFFER_RIGHT); |
520 |
> |
pushright(); |
521 |
|
glReadPixels(0, 0, odev.hres, odev.vres, |
522 |
|
GL_DEPTH_COMPONENT, GL_FLOAT, depthright); |
523 |
< |
setstereobuf(STEREO_BUFFER_LEFT); |
523 |
> |
if (pbuf != NULL) { |
524 |
> |
glClear(GL_COLOR_BUFFER_BIT); |
525 |
> |
gmDrawPortals(0xff, -1, -1, -1); |
526 |
> |
glReadPixels(0, 0, odev.hres, odev.vres, |
527 |
> |
GL_RED, GL_UNSIGNED_BYTE, pbuf); |
528 |
> |
} |
529 |
|
for (dbp = depthright + odev.hres*odev.vres; dbp-- > depthright; ) |
530 |
< |
*dbp = mapdepth(*dbp); |
531 |
< |
odDepthMap(1, depthright); |
530 |
> |
if (pbuf != NULL && pbuf[dbp-depthright]&0x40) |
531 |
> |
*dbp = FHUGE; |
532 |
> |
else |
533 |
> |
*dbp = mapdepth(*dbp); |
534 |
|
glClear(GL_DEPTH_BUFFER_BIT); |
535 |
+ |
odDepthMap(1, depthright); |
536 |
+ |
popright(); |
537 |
|
#endif |
538 |
+ |
/* read back depth buffer */ |
539 |
|
glReadPixels(0, 0, odev.hres, odev.vres, |
540 |
|
GL_DEPTH_COMPONENT, GL_FLOAT, depthbuffer); |
541 |
+ |
if (pbuf != NULL) { |
542 |
+ |
glClear(GL_COLOR_BUFFER_BIT); /* find portals */ |
543 |
+ |
gmDrawPortals(0xff, -1, -1, -1); |
544 |
+ |
glReadPixels(0, 0, odev.hres, odev.vres, |
545 |
+ |
GL_RED, GL_UNSIGNED_BYTE, pbuf); |
546 |
+ |
#ifdef DEBUG |
547 |
+ |
glXSwapBuffers(ourdisplay, gwind); |
548 |
+ |
#endif |
549 |
+ |
} |
550 |
|
for (dbp = depthbuffer + odev.hres*odev.vres; dbp-- > depthbuffer; ) |
551 |
< |
*dbp = mapdepth(*dbp); |
551 |
> |
if (pbuf != NULL && pbuf[dbp-depthbuffer]&0x40) |
552 |
> |
*dbp = FHUGE; |
553 |
> |
else |
554 |
> |
*dbp = mapdepth(*dbp); |
555 |
> |
glClear(GL_DEPTH_BUFFER_BIT); /* clear system depth buffer */ |
556 |
|
odDepthMap(0, depthbuffer); /* transfer depth data */ |
557 |
< |
glClear(GL_DEPTH_BUFFER_BIT); /* clear system buffer */ |
557 |
> |
if (pbuf != NULL) |
558 |
> |
free((char *)pbuf); /* free our portal buffer */ |
559 |
|
} |
560 |
|
|
561 |
|
|
562 |
+ |
static |
563 |
+ |
freedepth() /* free recorded depth buffer */ |
564 |
+ |
{ |
565 |
+ |
if (depthbuffer == NULL) |
566 |
+ |
return; |
567 |
+ |
#ifdef STEREO |
568 |
+ |
odDepthMap(1, NULL); |
569 |
+ |
free((char *)depthright); |
570 |
+ |
depthright = NULL; |
571 |
+ |
#endif |
572 |
+ |
odDepthMap(0, NULL); |
573 |
+ |
free((char *)depthbuffer); |
574 |
+ |
depthbuffer = NULL; |
575 |
+ |
} |
576 |
+ |
|
577 |
+ |
|
578 |
|
static double |
579 |
|
getdistance(dx, dy, direc) /* distance from fore plane along view ray */ |
580 |
|
int dx, dy; |
605 |
|
double d; |
606 |
|
|
607 |
|
setstereobuf(STEREO_BUFFER_RIGHT); |
608 |
< |
if (isperspective > 0) { |
608 |
> |
if (viewflags & VWPERSP) { |
609 |
|
glMatrixMode(GL_MODELVIEW); |
610 |
|
glPushMatrix(); |
611 |
|
d = -eyesepdist / sqrt(odev.v.hn2); |
619 |
|
static |
620 |
|
popright() /* pop off right view & buffer */ |
621 |
|
{ |
622 |
< |
if (isperspective > 0) { |
622 |
> |
if (viewflags & VWPERSP) { |
623 |
|
glMatrixMode(GL_MODELVIEW); |
624 |
|
glPopMatrix(); |
625 |
|
} |
662 |
|
resizewindow(levptr(XConfigureEvent)); |
663 |
|
break; |
664 |
|
case UnmapNotify: |
665 |
< |
mapped = 0; |
665 |
> |
viewflags &= ~VWMAPPED; |
666 |
|
break; |
667 |
|
case MapNotify: |
668 |
< |
mapped = 1; |
668 |
> |
odRemap(0); |
669 |
> |
viewflags |= VWMAPPED; |
670 |
|
break; |
671 |
|
case Expose: |
672 |
|
fixwindow(levptr(XExposeEvent)); |
700 |
|
glPushAttrib(GL_LIGHTING_BIT|GL_ENABLE_BIT); |
701 |
|
glDisable(GL_LIGHTING); |
702 |
|
if (fore) |
703 |
< |
glColor3ub(0, 255, 255); |
703 |
> |
glColor3ub(4, 250, 250); |
704 |
|
else |
705 |
|
glColor3ub(0, 0, 0); |
706 |
|
glBegin(GL_LINES); /* draw each grid line */ |
753 |
|
d = MOVPCT/100. * mov; |
754 |
|
VSUM(nv.vp, nv.vp, odir, d); |
755 |
|
} |
756 |
< |
if (!mov ^ !orb && headlocked) { /* restore head height */ |
756 |
> |
if (!mov ^ !orb && viewflags&VWHEADLOCK) { /* restore height */ |
757 |
|
VSUM(v1, odev.v.vp, nv.vp, -1.); |
758 |
|
d = DOT(v1, nv.vup); |
759 |
|
VSUM(nv.vp, nv.vp, odev.v.vup, d); |
761 |
|
if (setview(&nv) != NULL) |
762 |
|
return(0); /* illegal view */ |
763 |
|
dev_view(&nv); |
764 |
< |
inpresflags |= DFL(DC_SETVIEW)|DFL(DC_REDRAW); |
764 |
> |
inpresflags |= DFL(DC_SETVIEW); |
765 |
|
return(1); |
766 |
|
} |
767 |
|
|
795 |
|
{ |
796 |
|
int movdir = MOVDIR(ebut->button); |
797 |
|
int movorb = MOVORB(ebut->state); |
798 |
+ |
int ndrawn; |
799 |
|
Window rootw, childw; |
800 |
|
int rootx, rooty, wx, wy; |
801 |
|
unsigned int statemask; |
802 |
|
|
803 |
|
XNoOp(ourdisplay); /* makes sure we're not idle */ |
804 |
|
|
805 |
< |
viewsteady = 0; /* flag moving view */ |
806 |
< |
setglpersp(&odev.v); /* start us off in perspective */ |
805 |
> |
viewflags &= ~VWSTEADY; /* flag moving view */ |
806 |
> |
setglpersp(); /* start us off in perspective */ |
807 |
|
while (!XCheckMaskEvent(ourdisplay, |
808 |
|
ButtonReleaseMask, levptr(XEvent))) { |
809 |
|
/* get cursor position */ |
819 |
|
#ifdef STEREO |
820 |
|
pushright(); |
821 |
|
draw_grids(1); |
822 |
< |
otDrawOctrees(); |
822 |
> |
ndrawn = gmDrawGeom(); |
823 |
|
#ifdef DOBJ |
824 |
< |
dobj_render(); |
824 |
> |
ndrawn += dobj_render(); |
825 |
|
#endif |
826 |
|
popright(); |
827 |
|
#endif |
828 |
|
/* redraw octrees */ |
829 |
< |
otDrawOctrees(); |
829 |
> |
ndrawn = gmDrawGeom(); |
830 |
|
#ifdef DOBJ |
831 |
< |
dobj_render(); /* redraw objects */ |
831 |
> |
ndrawn += dobj_render(); /* redraw objects */ |
832 |
|
#endif |
833 |
< |
glFlush(); |
833 |
> |
glXSwapBuffers(ourdisplay, gwind); |
834 |
> |
if (!ndrawn) |
835 |
> |
sleep(1); /* for reasonable interaction */ |
836 |
|
} |
837 |
|
if (!(inpresflags & DFL(DC_SETVIEW))) { /* do final motion */ |
838 |
|
movdir = MOVDIR(levptr(XButtonReleasedEvent)->button); |
840 |
|
wy = levptr(XButtonReleasedEvent)->y; |
841 |
|
moveview(wx, odev.vres-1-wy, movdir, movorb); |
842 |
|
} |
843 |
+ |
viewflags |= VWSTEADY; /* done goofing around */ |
844 |
|
} |
845 |
|
|
846 |
|
|
847 |
|
static |
848 |
< |
setglpersp(vp) /* set perspective view in GL */ |
773 |
< |
register VIEW *vp; |
848 |
> |
setglpersp() /* set perspective view in GL */ |
849 |
|
{ |
850 |
|
double d, xmin, xmax, ymin, ymax; |
851 |
|
GLfloat vec[4]; |
852 |
|
double depthlim[2]; |
853 |
|
/* set depth limits */ |
854 |
< |
otDepthLimit(depthlim, odev.v.vp, odev.v.vdir); |
854 |
> |
gmDepthLimit(depthlim, odev.v.vp, odev.v.vdir); |
855 |
|
if (depthlim[0] >= depthlim[1]) { |
856 |
|
dev_zmin = 1.; |
857 |
|
dev_zmax = 100.; |
858 |
|
} else { |
859 |
|
dev_zmin = 0.5*depthlim[0]; |
860 |
< |
dev_zmax = 1.5*depthlim[1]; |
860 |
> |
dev_zmax = 1.25*depthlim[1]; |
861 |
|
if (dev_zmin > dev_zmax/5.) |
862 |
|
dev_zmin = dev_zmax/5.; |
863 |
|
} |
886 |
|
odev.v.vp[2] + odev.v.vdir[2], |
887 |
|
odev.v.vup[0], odev.v.vup[1], odev.v.vup[2]); |
888 |
|
checkglerr("setting perspective view"); |
814 |
– |
isperspective = 1; |
889 |
|
vec[0] = vec[1] = vec[2] = 0.; vec[3] = 1.; |
890 |
|
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, vec); |
891 |
|
vec[0] = -odev.v.vdir[0]; |
901 |
|
glEnable(GL_LIGHT0); |
902 |
|
glEnable(GL_LIGHTING); /* light our GL objects */ |
903 |
|
glShadeModel(GL_SMOOTH); |
904 |
+ |
viewflags &= ~VWORTHO; |
905 |
+ |
viewflags |= VWPERSP; |
906 |
|
} |
907 |
|
|
908 |
|
|
909 |
|
static |
910 |
|
setglortho() /* set up orthographic view for cone drawing */ |
911 |
|
{ |
912 |
+ |
glDrawBuffer(GL_FRONT); /* use single-buffer mode */ |
913 |
|
/* set view matrix */ |
914 |
|
glMatrixMode(GL_PROJECTION); |
915 |
|
glLoadIdentity(); |
916 |
|
glOrtho(0., (double)odev.hres, 0., (double)odev.vres, |
917 |
|
0.001*OMAXDEPTH, 1.001*(-OMAXDEPTH)); |
918 |
|
checkglerr("setting orthographic view"); |
842 |
– |
isperspective = 0; |
919 |
|
glDisable(GL_LIGHTING); /* cones are constant color */ |
920 |
|
glShadeModel(GL_FLAT); |
921 |
+ |
viewflags &= ~VWPERSP; |
922 |
+ |
viewflags |= VWORTHO; |
923 |
|
} |
924 |
|
|
925 |
|
|
926 |
|
static |
927 |
|
wipeclean() /* prepare for redraw */ |
928 |
|
{ |
929 |
< |
/* clear depth buffer */ |
929 |
> |
glDrawBuffer(GL_BACK); /* use double-buffer mode */ |
930 |
> |
glReadBuffer(GL_BACK); |
931 |
> |
/* clear buffers */ |
932 |
|
#ifdef STEREO |
933 |
|
setstereobuf(STEREO_BUFFER_RIGHT); |
934 |
< |
glClear(GL_DEPTH_BUFFER_BIT); |
934 |
> |
glClear(GL_DEPTH_BUFFER_BIT|GL_COLOR_BUFFER_BIT); |
935 |
|
setstereobuf(STEREO_BUFFER_LEFT); |
936 |
|
#endif |
937 |
< |
glClear(GL_DEPTH_BUFFER_BIT); |
938 |
< |
if (viewsteady) /* clear samples if steady */ |
937 |
> |
glClear(GL_DEPTH_BUFFER_BIT|GL_COLOR_BUFFER_BIT); |
938 |
> |
freedepth(); |
939 |
> |
if ((viewflags&(VWCHANGE|VWSTEADY)) == |
940 |
> |
(VWCHANGE|VWSTEADY)) { /* clear samples if new */ |
941 |
|
odClean(); |
942 |
< |
if (depthbuffer != NULL) { /* free recorded depth buffer */ |
943 |
< |
#ifdef STEREO |
944 |
< |
odDepthMap(1, NULL); |
863 |
< |
free((char *)depthright); |
864 |
< |
depthright = NULL; |
865 |
< |
#endif |
866 |
< |
odDepthMap(0, NULL); |
867 |
< |
free((char *)depthbuffer); |
868 |
< |
depthbuffer = NULL; |
869 |
< |
} |
942 |
> |
viewflags &= ~VWCHANGE; /* change noted */ |
943 |
> |
} else if (viewflags & VWSTEADY) |
944 |
> |
odRedrawAll(); |
945 |
|
setglpersp(&odev.v); /* reset view & clipping planes */ |
946 |
|
} |
947 |
|
|
961 |
|
return; |
962 |
|
switch (buf[0]) { |
963 |
|
case 'h': /* turn on height motion lock */ |
964 |
< |
headlocked = 1; |
964 |
> |
viewflags |= VWHEADLOCK; |
965 |
|
return; |
966 |
|
case 'H': /* turn off height motion lock */ |
967 |
< |
headlocked = 0; |
967 |
> |
viewflags &= ~VWHEADLOCK; |
968 |
|
return; |
969 |
|
case 'l': /* retrieve last view */ |
970 |
|
inpresflags |= DFL(DC_LASTVIEW); |
992 |
|
inpresflags |= DFL(DC_RESUME); |
993 |
|
return; |
994 |
|
case CTRL('R'): /* redraw screen */ |
995 |
< |
odRemap(); |
996 |
< |
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); |
995 |
> |
odRemap(0); /* new tone mapping */ |
996 |
> |
glClear(GL_DEPTH_BUFFER_BIT); |
997 |
|
#ifdef STEREO |
998 |
|
setstereobuf(STEREO_BUFFER_RIGHT); |
999 |
< |
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); |
999 |
> |
glClear(GL_DEPTH_BUFFER_BIT); |
1000 |
|
setstereobuf(STEREO_BUFFER_LEFT); |
1001 |
|
#endif |
1002 |
|
return; |
1003 |
|
case CTRL('L'): /* refresh from server */ |
1004 |
|
if (inpresflags & DFL(DC_REDRAW)) |
1005 |
< |
return; |
1005 |
> |
return; /* already called */ |
1006 |
|
XRaiseWindow(ourdisplay, gwind); |
1007 |
< |
XFlush(ourdisplay); |
1008 |
< |
sleep(1); |
1009 |
< |
wipeclean(); /* fresh display */ |
1010 |
< |
odRemap(); /* new tone mapping */ |
936 |
< |
dev_flush(); /* draw octrees */ |
1007 |
> |
XFlush(ourdisplay); /* raise up window */ |
1008 |
> |
sleep(1); /* wait for restacking */ |
1009 |
> |
dev_clear(); /* clear buffer and samples */ |
1010 |
> |
odRemap(1); /* start fresh histogram */ |
1011 |
|
inpresflags |= DFL(DC_REDRAW); /* resend values from server */ |
938 |
– |
rayqleft = 0; /* hold off update */ |
1012 |
|
return; |
1013 |
|
case 'K': /* kill rtrace process(es) */ |
1014 |
|
inpresflags |= DFL(DC_KILL); |
1041 |
|
} |
1042 |
|
xmin = eexp->x; xmax = eexp->x + eexp->width; |
1043 |
|
ymin = odev.vres - eexp->y - eexp->height; ymax = odev.vres - eexp->y; |
1044 |
+ |
|
1045 |
+ |
if (xmin <= 0 && xmax >= odev.hres-1 && |
1046 |
+ |
ymin <= 0 && ymax >= odev.vres) { |
1047 |
+ |
DCHECK(eexp->count, WARNING, "multiple clear in fixwindow"); |
1048 |
+ |
wipeclean(); /* make sure we're go */ |
1049 |
+ |
return; |
1050 |
+ |
} |
1051 |
|
/* clear portion of depth */ |
1052 |
+ |
glPushAttrib(GL_DEPTH_BUFFER_BIT|GL_COLOR_BUFFER_BIT); |
1053 |
|
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); |
1054 |
|
glDepthFunc(GL_ALWAYS); |
1055 |
|
glBegin(GL_POLYGON); |
1069 |
|
odRedraw(1, xmin, ymin, xmax, ymax); |
1070 |
|
setstereobuf(STEREO_BUFFER_LEFT); |
1071 |
|
#endif |
1072 |
< |
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); |
992 |
< |
glDepthFunc(GL_LEQUAL); |
1072 |
> |
glPopAttrib(); |
1073 |
|
odRedraw(0, xmin, ymin, xmax, ymax); |
1074 |
|
} |
1075 |
|
|
1089 |
|
odev.v.horiz = 2.*180./PI * atan(0.5/VIEWDIST*pwidth*odev.hres); |
1090 |
|
odev.v.vert = 2.*180./PI * atan(0.5/VIEWDIST*pheight*odev.vres); |
1091 |
|
|
1092 |
< |
inpresflags |= DFL(DC_SETVIEW)|DFL(DC_REDRAW); |
1092 |
> |
inpresflags |= DFL(DC_SETVIEW); |
1093 |
> |
viewflags |= VWCHANGE; |
1094 |
|
} |