| 28 |
|
disp_open(dname) /* open the named display driver */ |
| 29 |
|
char *dname; |
| 30 |
|
{ |
| 31 |
< |
char dpath[128], fd0[8], fd1[8], *cmd[5]; |
| 32 |
< |
int i; |
| 31 |
> |
char buf[128], fd0[8], fd1[8], *cmd[5], *sfn; |
| 32 |
> |
int i, n, len; |
| 33 |
|
/* get full display program name */ |
| 34 |
|
#ifdef DEVPATH |
| 35 |
< |
sprintf(dpath, "%s/%s%s", DEVPATH, dname, HDSUF); |
| 35 |
> |
sprintf(buf, "%s/%s%s", DEVPATH, dname, HDSUF); |
| 36 |
|
#else |
| 37 |
< |
sprintf(dpath, "dev/%s%s", dname, HDSUF); |
| 37 |
> |
sprintf(buf, "dev/%s%s", dname, HDSUF); |
| 38 |
|
#endif |
| 39 |
|
/* dup stdin and stdout */ |
| 40 |
|
if (readinp) |
| 43 |
|
strcpy(fd0, "-1"); |
| 44 |
|
sprintf(fd1, "%d", dup(1)); |
| 45 |
|
/* start the display process */ |
| 46 |
< |
cmd[0] = dpath; |
| 46 |
> |
cmd[0] = buf; |
| 47 |
|
cmd[1] = froot; cmd[2] = fd1; cmd[3] = fd0; |
| 48 |
|
cmd[4] = NULL; |
| 49 |
|
i = open_process(dpd, cmd); |
| 62 |
|
disp_result(DS_OUTSECT, 0, NULL); |
| 63 |
|
/* send eye separation if specified */ |
| 64 |
|
if (vdef(EYESEP)) { |
| 65 |
< |
char fbuf[32]; |
| 66 |
< |
sprintf(fbuf, "%.9e", vflt(EYESEP)); |
| 67 |
< |
disp_result(DS_EYESEP, strlen(fbuf)+1, fbuf); |
| 65 |
> |
sprintf(buf, "%.9e", vflt(EYESEP)); |
| 66 |
> |
disp_result(DS_EYESEP, strlen(buf)+1, buf); |
| 67 |
|
} |
| 68 |
< |
/* write out hologram grids */ |
| 69 |
< |
for (i = 0; hdlist[i] != NULL; i++) |
| 70 |
< |
disp_result(DS_ADDHOLO, sizeof(HDGRID), (char *)hdlist[i]); |
| 68 |
> |
/* write out hologram grids & octrees */ |
| 69 |
> |
for (i = 0; hdlist[i] != NULL; i++) { |
| 70 |
> |
bcopy((char *)hdlist[i], buf, sizeof(HDGRID)); |
| 71 |
> |
len = sizeof(HDGRID); |
| 72 |
> |
n = vdef(GEOMETRY); |
| 73 |
> |
sfn = i<n ? nvalue(GEOMETRY,i) : |
| 74 |
> |
n ? nvalue(GEOMETRY,n-1) : vval(OCTREE); |
| 75 |
> |
strcpy(buf+len, sfn); |
| 76 |
> |
len += strlen(sfn) + 1; |
| 77 |
> |
n = vdef(PORTS); |
| 78 |
> |
sfn = i<n ? nvalue(PORTS,i) : n ? nvalue(PORTS,n-1) : ""; |
| 79 |
> |
strcpy(buf+len, sfn); |
| 80 |
> |
len += strlen(sfn) + 1; |
| 81 |
> |
disp_result(DS_ADDHOLO, len, buf); |
| 82 |
> |
} |
| 83 |
|
disp_flush(); |
| 84 |
|
} |
| 85 |
|
|
| 174 |
|
error(INTERNAL, "bad DR_DELSET from display process"); |
| 175 |
|
bundle_set(BS_DEL, (PACKHEAD *)buf, msg.nbytes/sizeof(PACKHEAD)); |
| 176 |
|
break; |
| 177 |
+ |
case DR_VIEWPOINT: /* set target eye position */ |
| 178 |
+ |
if (msg.nbytes != sizeof(VIEWPOINT)) |
| 179 |
+ |
error(INTERNAL, "bad DR_VIEWPOINT from display process"); |
| 180 |
+ |
copystruct(&myeye, (VIEWPOINT *)buf); |
| 181 |
+ |
break; |
| 182 |
|
case DR_ATTEN: /* block for priority request */ |
| 183 |
|
if (msg.nbytes) |
| 184 |
|
error(INTERNAL, "bad DR_ATTEN from display process"); |
| 239 |
|
|
| 240 |
|
if (dpout == NULL) |
| 241 |
|
return(-1); |
| 242 |
+ |
myeye.rng = 0; |
| 243 |
|
disp_result(DS_SHUTDOWN, 0, NULL); |
| 244 |
|
fclose(dpout); |
| 245 |
|
dpout = NULL; |
