| 4 |
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|
| 5 |
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/* |
| 6 |
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* Header for holodeck display drivers. |
| 7 |
– |
* Include after "rholo.h". |
| 7 |
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*/ |
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|
| 9 |
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/* display requests */ |
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< |
#define DR_NEWSET 1 /* new bundle set */ |
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< |
#define DR_BUNDLE 2 /* bundle request */ |
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< |
#define DR_ATTEN 3 /* request for attention */ |
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< |
#define DR_SHUTDOWN 4 /* shutdown request */ |
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> |
#define DR_NOOP 0 /* to release from vain DR_ATTEN */ |
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> |
#define DR_BUNDLE 1 /* lone bundle request */ |
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> |
#define DR_ATTEN 2 /* request for attention */ |
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> |
#define DR_SHUTDOWN 3 /* shutdown request */ |
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> |
#define DR_NEWSET 4 /* new bundle set */ |
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|
#define DR_ADDSET 5 /* add to current set */ |
| 16 |
< |
#define DR_DELSET 6 /* delete from current set */ |
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> |
#define DR_ADJSET 6 /* adjust set quantities */ |
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> |
#define DR_DELSET 7 /* delete from current set */ |
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> |
#define DR_KILL 8 /* kill rtrace process(es) */ |
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> |
#define DR_RESTART 9 /* restart rtrace */ |
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> |
#define DR_CLOBBER 10 /* clobber holodeck */ |
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|
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/* server responses */ |
| 23 |
< |
#define DS_IMMSET 1 /* immediate bundle set */ |
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< |
#define DS_BUNDLE 2 /* computed bundle */ |
| 25 |
< |
#define DS_ACKNOW 3 /* acknowledge request for attention */ |
| 26 |
< |
#define DS_SHUTDOWN 4 /* end process and close connection */ |
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< |
#define DS_ADDHOLO 5 /* register new holodeck */ |
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> |
#define DS_BUNDLE 32 /* computed bundle */ |
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> |
#define DS_ACKNOW 33 /* acknowledge request for attention */ |
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> |
#define DS_SHUTDOWN 34 /* end process and close connection */ |
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> |
#define DS_ADDHOLO 35 /* register new holodeck */ |
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> |
#define DS_STARTIMM 36 /* begin immediate bundle set */ |
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> |
#define DS_ENDIMM 37 /* end immediate bundle set */ |
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> |
#define DS_OUTSECT 38 /* render from outside sections */ |
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> |
#define DS_EYESEP 39 /* eye separation distance */ |
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|
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/* |
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* Normally, the server channel has priority, with the display process |
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* Priority returns to normal after the following request. |
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*/ |
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|
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+ |
#ifndef BIGREQSIZ |
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+ |
#define BIGREQSIZ 512 /* big request size (bytes) */ |
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+ |
#endif |
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+ |
|
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typedef struct { |
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int2 type; /* message type */ |
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int4 nbytes; /* number of additional bytes */ |
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} MSGHEAD; /* message head */ |
| 50 |
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|
| 51 |
< |
/* display request message bodies */ |
| 52 |
< |
|
| 53 |
< |
/* DR_NEWSET */ |
| 54 |
< |
/* no body */ |
| 55 |
< |
/* DR_BUNDLE */ |
| 56 |
< |
#define BUNDLE_REQ PACKHEAD |
| 57 |
< |
/* DR_ENDSET */ |
| 58 |
< |
/* no body */ |
| 59 |
< |
/* DR_SHUTDOWN */ |
| 60 |
< |
/* no body */ |
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< |
/* DR_ADDSET */ |
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< |
/* no body */ |
| 63 |
< |
|
| 53 |
< |
/* server response message bodies */ |
| 54 |
< |
|
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< |
/* DS_STARTIMM */ |
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< |
/* no body */ |
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< |
/* DS_BUNDLE */ |
| 58 |
< |
#define BUNDLE_RES PACKHEAD /* extendable */ |
| 59 |
< |
/* DS_ENDIMM */ |
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< |
/* no body */ |
| 61 |
< |
/* DS_SHUTDOWN */ |
| 62 |
< |
/* no body */ |
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< |
/* DS_ADDHOLO */ |
| 64 |
< |
#define HOLO_RES HDGRID |
| 65 |
< |
/* DS_ACKNOW */ |
| 66 |
< |
/* no body */ |
| 51 |
> |
/* |
| 52 |
> |
* The display process is started with three arguments. The first argument |
| 53 |
> |
* is the short name of the holodeck file, appropriate for window naming, etc. |
| 54 |
> |
* The second and third arguments are the file descriptor numbers assigned to |
| 55 |
> |
* the server's standard output and input, respectively. The stdin and stdout |
| 56 |
> |
* of the display process are used for normal communication with the server, |
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> |
* and are connected to pipes going each way. It is entirely appropriate |
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> |
* for the display process to borrow the server's stdin and stdout for reading |
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> |
* and writing user commands from the list in rhdriver.h. If standard input |
| 60 |
> |
* is not available for reading, then a descriptor of -1 will be passed. |
| 61 |
> |
* The standard output will always be available for writing, though it |
| 62 |
> |
* may go to /dev/null. |
| 63 |
> |
*/ |
