| 1 |
< |
/* Copyright (c) 1997 Silicon Graphics, Inc. */ |
| 1 |
> |
/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
| 2 |
|
|
| 3 |
|
#ifndef lint |
| 4 |
|
static char SCCSid[] = "$SunId$ SGI"; |
| 26 |
|
|
| 27 |
|
int do_outside = 0; /* render from outside sections */ |
| 28 |
|
|
| 29 |
+ |
double eyesepdist = 1; /* eye separation distance */ |
| 30 |
+ |
|
| 31 |
|
char *progname; /* global argv[0] */ |
| 32 |
|
|
| 33 |
|
FILE *sstdin, *sstdout; /* server's standard input and output */ |
| 88 |
|
printview(); |
| 89 |
|
if (inp & DFL(DC_LASTVIEW)) |
| 90 |
|
new_view(NULL); |
| 89 |
– |
if (inp & DFL(DC_RESUME)) { |
| 90 |
– |
serv_request(DR_NOOP, 0, NULL); |
| 91 |
– |
pause = 0; |
| 92 |
– |
} |
| 93 |
– |
if (inp & DFL(DC_PAUSE)) |
| 94 |
– |
pause = 1; |
| 95 |
– |
if (inp & DFL(DC_REDRAW)) |
| 96 |
– |
imm_mode = beam_sync() > 0; |
| 91 |
|
if (inp & DFL(DC_KILL)) { |
| 92 |
|
serv_request(DR_KILL, 0, NULL); |
| 93 |
|
pause = 0; |
| 98 |
|
serv_request(DR_RESTART, 0, NULL); |
| 99 |
|
pause = 0; |
| 100 |
|
} |
| 101 |
+ |
if (inp & DFL(DC_RESUME)) { |
| 102 |
+ |
serv_request(DR_NOOP, 0, NULL); |
| 103 |
+ |
pause = 0; |
| 104 |
+ |
} |
| 105 |
+ |
if (inp & DFL(DC_PAUSE)) |
| 106 |
+ |
pause = 1; |
| 107 |
+ |
if (inp & DFL(DC_REDRAW)) |
| 108 |
+ |
imm_mode = beam_sync(1) > 0; |
| 109 |
|
if (inp & DFL(DC_QUIT)) |
| 110 |
|
serv_request(DR_SHUTDOWN, 0, NULL); |
| 111 |
|
} |
| 112 |
< |
if (rdy & RDY_SIN) /* user input from sstdin */ |
| 112 |
> |
if (rdy & RDY_SIN && !imm_mode) /* user input from sstdin */ |
| 113 |
|
switch (usr_input()) { |
| 114 |
|
case DC_PAUSE: |
| 115 |
|
pause = 1; |
| 146 |
|
int n; |
| 147 |
|
register int i; |
| 148 |
|
/* see if we can avoid select call */ |
| 149 |
+ |
flgs = 0; /* flag what's ready already */ |
| 150 |
|
if (imm_mode || stdin->_cnt > 0) |
| 151 |
< |
return(RDY_SRV); |
| 151 |
> |
flgs |= RDY_SRV; |
| 152 |
|
if (sstdin != NULL && sstdin->_cnt > 0) |
| 153 |
< |
return(RDY_SIN); |
| 154 |
< |
if (dev_flush()) |
| 153 |
> |
flgs |= RDY_SIN; |
| 154 |
> |
if (odev.inpready) |
| 155 |
> |
flgs |= RDY_DEV; |
| 156 |
> |
if (flgs) /* got something? */ |
| 157 |
> |
return(flgs); |
| 158 |
> |
if (dev_flush()) /* else flush output & check keyboard+mouse */ |
| 159 |
|
return(RDY_DEV); |
| 160 |
< |
/* make the call */ |
| 160 |
> |
/* if nothing, we need to call select */ |
| 161 |
|
FD_ZERO(&readset); FD_ZERO(&errset); |
| 162 |
|
FD_SET(0, &readset); |
| 163 |
|
FD_SET(0, &errset); |
| 166 |
|
n = odev.ifd+1; |
| 167 |
|
if (sstdin != NULL) { |
| 168 |
|
FD_SET(fileno(sstdin), &readset); |
| 169 |
+ |
FD_SET(fileno(sstdin), &errset); |
| 170 |
|
if (fileno(sstdin) >= n) |
| 171 |
|
n = fileno(sstdin) + 1; |
| 172 |
|
} |
| 176 |
|
return(0); |
| 177 |
|
error(SYSTEM, "select call failure in disp_wait"); |
| 178 |
|
} |
| 171 |
– |
flgs = 0; /* flag what's ready */ |
| 179 |
|
if (FD_ISSET(0, &readset) || FD_ISSET(0, &errset)) |
| 180 |
|
flgs |= RDY_SRV; |
| 181 |
|
if (FD_ISSET(odev.ifd, &readset) || FD_ISSET(odev.ifd, &errset)) |
| 182 |
|
flgs |= RDY_DEV; |
| 183 |
< |
if (sstdin != NULL && FD_ISSET(fileno(sstdin), &readset)) |
| 183 |
> |
if (sstdin != NULL && (FD_ISSET(fileno(sstdin), &readset) || |
| 184 |
> |
FD_ISSET(fileno(sstdin), &errset))) |
| 185 |
|
flgs |= RDY_SIN; |
| 186 |
|
return(flgs); |
| 187 |
|
} |
| 238 |
|
for (i = p->nr; i--; ) { |
| 239 |
|
hdray(ro, rd, hdlist[p->hd], gc, packra(p)[i].r); |
| 240 |
|
d = hddepth(hdlist[p->hd], packra(p)[i].d); |
| 241 |
< |
VSUM(wp, ro, rd, d); /* might be behind viewpoint */ |
| 242 |
< |
dev_value(packra(p)[i].v, wp, rd); |
| 241 |
> |
if (d < .99*FHUGE) { |
| 242 |
> |
VSUM(wp, ro, rd, d); /* might be behind viewpoint */ |
| 243 |
> |
dev_value(packra(p)[i].v, rd, wp); |
| 244 |
> |
} else |
| 245 |
> |
dev_value(packra(p)[i].v, rd, NULL); |
| 246 |
|
} |
| 247 |
|
#ifdef DEBUG |
| 248 |
|
if (imm_mode) nimmrays += p->nr; |
| 256 |
|
{ |
| 257 |
|
static VIEW viewhist[VIEWHISTLEN]; |
| 258 |
|
static unsigned nhist; |
| 259 |
+ |
VIEW *dv; |
| 260 |
+ |
int i, res[2]; |
| 261 |
|
char *err; |
| 262 |
|
/* restore previous view? */ |
| 263 |
|
if (v == NULL) { |
| 277 |
|
error(COMMAND, "cannot handle parallel views"); |
| 278 |
|
return; |
| 279 |
|
} |
| 280 |
< |
if (!dev_view(v)) /* update display driver */ |
| 280 |
> |
if (!dev_view(v)) /* notify display driver */ |
| 281 |
|
goto again; |
| 282 |
|
dev_flush(); /* update screen */ |
| 283 |
< |
if (!beam_view(v)) /* update beam list */ |
| 284 |
< |
goto again; |
| 283 |
> |
beam_init(0); /* compute new beam set */ |
| 284 |
> |
for (i = 0; (dv = dev_auxview(i, res)) != NULL; i++) |
| 285 |
> |
if (!beam_view(dv, res[0], res[1])) { |
| 286 |
> |
if (!nhist) { |
| 287 |
> |
error(COMMAND, "invalid starting view"); |
| 288 |
> |
return; |
| 289 |
> |
} |
| 290 |
> |
copystruct(v, viewhist + ((nhist-1)%VIEWHISTLEN)); |
| 291 |
> |
goto again; |
| 292 |
> |
} |
| 293 |
> |
/* update server */ |
| 294 |
> |
imm_mode = beam_sync(0) > 0; |
| 295 |
|
/* record new view */ |
| 296 |
|
if (v < viewhist || v >= viewhist+VIEWHISTLEN) { |
| 297 |
|
copystruct(viewhist + (nhist%VIEWHISTLEN), v); |
| 304 |
|
usr_input() /* get user input and process it */ |
| 305 |
|
{ |
| 306 |
|
VIEW vparams; |
| 307 |
< |
char cmd[128]; |
| 307 |
> |
char cmd[256]; |
| 308 |
|
register char *args; |
| 309 |
|
register int i; |
| 310 |
|
|
| 311 |
< |
if (fgets(cmd, sizeof(cmd), sstdin) == NULL) |
| 312 |
< |
return(DC_QUIT); |
| 311 |
> |
if (fgets(cmd, sizeof(cmd), sstdin) == NULL) { |
| 312 |
> |
fclose(sstdin); |
| 313 |
> |
sstdin = NULL; |
| 314 |
> |
return(-1); |
| 315 |
> |
} |
| 316 |
> |
if (*cmd == '\n') |
| 317 |
> |
return(DC_RESUME); |
| 318 |
|
for (args = cmd; *args && !isspace(*args); args++) |
| 319 |
|
; |
| 320 |
|
while (isspace(*args)) |
| 321 |
|
*args++ = '\0'; |
| 294 |
– |
if (!*cmd) |
| 295 |
– |
return(DC_RESUME); |
| 322 |
|
if (*args && args[i=strlen(args)-1] == '\n') |
| 323 |
|
args[i] = '\0'; |
| 324 |
|
for (i = 0; i < DC_NCMDS; i++) |
| 325 |
|
if (!strcmp(cmd, cmdlist[i])) |
| 326 |
|
break; |
| 327 |
|
if (i >= DC_NCMDS) { |
| 328 |
< |
sprintf(errmsg, "unknown command: %s", cmd); |
| 303 |
< |
error(COMMAND, errmsg); |
| 328 |
> |
dev_auxcom(cmd, args); |
| 329 |
|
return(-1); |
| 330 |
|
} |
| 331 |
|
switch (i) { |
| 347 |
|
/* handled in main() */ |
| 348 |
|
break; |
| 349 |
|
case DC_REDRAW: /* redraw from server */ |
| 350 |
< |
imm_mode = beam_sync() > 0; |
| 350 |
> |
imm_mode = beam_sync(1) > 0; |
| 351 |
|
dev_clear(); |
| 352 |
|
break; |
| 353 |
|
case DC_KILL: /* kill rtrace process(es) */ |
| 414 |
|
break; |
| 415 |
|
case DS_OUTSECT: |
| 416 |
|
do_outside = 1; |
| 417 |
+ |
goto noargs; |
| 418 |
+ |
case DS_EYESEP: |
| 419 |
+ |
if (msg.nbytes <= 1 || (eyesepdist = atof(buf)) <= FTINY) |
| 420 |
+ |
error(INTERNAL, "bad eye separation from server"); |
| 421 |
|
break; |
| 422 |
|
case DS_STARTIMM: |
| 423 |
|
case DS_ENDIMM: |
| 429 |
|
tmodesw = tnow; |
| 430 |
|
} |
| 431 |
|
#endif |
| 432 |
< |
imm_mode = msg.type==DS_STARTIMM; |
| 433 |
< |
/* fall through */ |
| 432 |
> |
if (!(imm_mode = msg.type==DS_STARTIMM)) |
| 433 |
> |
dev_flush(); |
| 434 |
> |
goto noargs; |
| 435 |
|
case DS_ACKNOW: |
| 436 |
|
case DS_SHUTDOWN: |
| 437 |
< |
if (msg.nbytes) { |
| 408 |
< |
sprintf(errmsg, |
| 409 |
< |
"unexpected body with server message %d", |
| 410 |
< |
msg.type); |
| 411 |
< |
error(INTERNAL, errmsg); |
| 412 |
< |
} |
| 413 |
< |
break; |
| 437 |
> |
goto noargs; |
| 438 |
|
default: |
| 439 |
|
error(INTERNAL, "unrecognized result from server process"); |
| 440 |
|
} |
| 441 |
|
return(msg.type); /* return message type */ |
| 442 |
+ |
noargs: |
| 443 |
+ |
if (msg.nbytes) { |
| 444 |
+ |
sprintf(errmsg, "unexpected body with server message %d", |
| 445 |
+ |
msg.type); |
| 446 |
+ |
error(INTERNAL, errmsg); |
| 447 |
+ |
} |
| 448 |
+ |
return(msg.type); |
| 449 |
|
readerr: |
| 450 |
|
if (feof(stdin)) |
| 451 |
|
error(SYSTEM, "server process died"); |
| 459 |
|
{ |
| 460 |
|
MSGHEAD msg; |
| 461 |
|
int m; |
| 462 |
+ |
/* consistency checks */ |
| 463 |
+ |
#ifdef DEBUG |
| 464 |
+ |
if (nbytes < 0 || nbytes > 0 & p == NULL) |
| 465 |
+ |
error(CONSISTENCY, "bad buffer handed to serv_request"); |
| 466 |
+ |
#endif |
| 467 |
|
/* get server's attention for big request */ |
| 468 |
|
if (nbytes >= BIGREQSIZ-sizeof(MSGHEAD)) { |
| 469 |
|
serv_request(DR_ATTEN, 0, NULL); |