| 1 |
gregl |
3.1 |
/* Copyright (c) 1997 Silicon Graphics, Inc. */
|
| 2 |
|
|
|
| 3 |
|
|
/* SCCSid "$SunId$ SGI" */
|
| 4 |
|
|
|
| 5 |
|
|
/*
|
| 6 |
|
|
* Header for holodeck display drivers.
|
| 7 |
|
|
* Include after "rholo.h".
|
| 8 |
|
|
*/
|
| 9 |
|
|
|
| 10 |
|
|
/* display requests */
|
| 11 |
gregl |
3.2 |
#define DR_BUNDLE 1 /* bundle request */
|
| 12 |
|
|
#define DR_ATTEN 2 /* request for attention */
|
| 13 |
|
|
#define DR_SHUTDOWN 3 /* shutdown request */
|
| 14 |
|
|
#define DR_NEWSET 4 /* new bundle set */
|
| 15 |
gregl |
3.1 |
#define DR_ADDSET 5 /* add to current set */
|
| 16 |
|
|
#define DR_DELSET 6 /* delete from current set */
|
| 17 |
|
|
|
| 18 |
|
|
/* server responses */
|
| 19 |
gregl |
3.2 |
#define DS_BUNDLE 1 /* computed bundle */
|
| 20 |
|
|
#define DS_ACKNOW 2 /* acknowledge request for attention */
|
| 21 |
|
|
#define DS_SHUTDOWN 3 /* end process and close connection */
|
| 22 |
|
|
#define DS_ADDHOLO 4 /* register new holodeck */
|
| 23 |
|
|
#define DS_STARTIMM 5 /* begin immediate bundle set */
|
| 24 |
|
|
#define DS_ENDIMM 6 /* end immediate bundle set */
|
| 25 |
gregl |
3.1 |
|
| 26 |
|
|
/*
|
| 27 |
|
|
* Normally, the server channel has priority, with the display process
|
| 28 |
|
|
* checking it frequently for new data. However, when the display process
|
| 29 |
|
|
* makes a request for attention (DR_ATTEN), the server will finish its
|
| 30 |
|
|
* current operations and flush its buffers, sending an acknowledge
|
| 31 |
|
|
* message (DS_ACKNOW) when it's done. This then allows the
|
| 32 |
|
|
* display process to send a long request to the holodeck server.
|
| 33 |
|
|
* Priority returns to normal after the following request.
|
| 34 |
|
|
*/
|
| 35 |
|
|
|
| 36 |
|
|
typedef struct {
|
| 37 |
|
|
int2 type; /* message type */
|
| 38 |
|
|
int4 nbytes; /* number of additional bytes */
|
| 39 |
|
|
} MSGHEAD; /* message head */
|
| 40 |
|
|
|
| 41 |
|
|
/* display request message bodies */
|
| 42 |
|
|
|
| 43 |
|
|
/* DR_BUNDLE */
|
| 44 |
|
|
#define BUNDLE_REQ PACKHEAD
|
| 45 |
gregl |
3.2 |
/* DR_ATTEN */
|
| 46 |
gregl |
3.1 |
/* no body */
|
| 47 |
|
|
/* DR_SHUTDOWN */
|
| 48 |
|
|
/* no body */
|
| 49 |
gregl |
3.2 |
/* DR_NEWSET */
|
| 50 |
|
|
/* body is nbytes/sizeof(BUNDLE_REQ) BUNDLE_REQ bodies */
|
| 51 |
gregl |
3.1 |
/* DR_ADDSET */
|
| 52 |
gregl |
3.2 |
/* body is nbytes/sizeof(PACKHEAD) BUNDLE_REQ bodies */
|
| 53 |
|
|
/* DR_DELSET */
|
| 54 |
|
|
/* body is nbytes/sizeof(PACKHEAD) BUNDLE_REQ bodies */
|
| 55 |
gregl |
3.1 |
|
| 56 |
|
|
/* server response message bodies */
|
| 57 |
|
|
|
| 58 |
|
|
/* DS_BUNDLE */
|
| 59 |
gregl |
3.2 |
#define BUNDLE_RES PACKHEAD /* followed by nr RAYVAL structs */
|
| 60 |
|
|
/* DS_ACKNOW */
|
| 61 |
gregl |
3.1 |
/* no body */
|
| 62 |
|
|
/* DS_SHUTDOWN */
|
| 63 |
|
|
/* no body */
|
| 64 |
|
|
/* DS_ADDHOLO */
|
| 65 |
|
|
#define HOLO_RES HDGRID
|
| 66 |
gregl |
3.2 |
/* DS_STARTIMM */
|
| 67 |
|
|
/* no body */
|
| 68 |
|
|
/* DS_ENDIMM */
|
| 69 |
gregl |
3.1 |
/* no body */
|
