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root/radiance/ray/src/hd/rhdisp.h
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Comparing ray/src/hd/rhdisp.h (file contents):
Revision 3.2 by gregl, Mon Nov 3 18:33:12 1997 UTC vs.
Revision 3.13 by greg, Sat Feb 22 02:07:24 2003 UTC

# Line 1 | Line 1
1 < /* Copyright (c) 1997 Silicon Graphics, Inc. */
2 <
3 < /* SCCSid "$SunId$ SGI" */
4 <
1 > /* RCSid: $Id$ */
2   /*
3   * Header for holodeck display drivers.
7 * Include after "rholo.h".
4   */
5  
6                                  /* display requests */
7 < #define DR_BUNDLE       1               /* bundle request */
7 > #define DR_NOOP         0               /* to release from vain DR_ATTEN */
8 > #define DR_BUNDLE       1               /* lone bundle request */
9   #define DR_ATTEN        2               /* request for attention */
10   #define DR_SHUTDOWN     3               /* shutdown request */
11   #define DR_NEWSET       4               /* new bundle set */
12   #define DR_ADDSET       5               /* add to current set */
13 < #define DR_DELSET       6               /* delete from current set */
13 > #define DR_ADJSET       6               /* adjust set quantities */
14 > #define DR_DELSET       7               /* delete from current set */
15 > #define DR_KILL         8               /* kill rtrace process(es) */
16 > #define DR_RESTART      9               /* restart rtrace */
17 > #define DR_CLOBBER      10              /* clobber holodeck */
18 > #define DR_VIEWPOINT    11              /* set desired eye position */
19  
20                                  /* server responses */
21 < #define DS_BUNDLE       1               /* computed bundle */
22 < #define DS_ACKNOW       2               /* acknowledge request for attention */
23 < #define DS_SHUTDOWN     3               /* end process and close connection */
24 < #define DS_ADDHOLO      4               /* register new holodeck */
25 < #define DS_STARTIMM     5               /* begin immediate bundle set */
26 < #define DS_ENDIMM       6               /* end immediate bundle set */
21 > #define DS_BUNDLE       32              /* computed bundle */
22 > #define DS_ACKNOW       33              /* acknowledge request for attention */
23 > #define DS_SHUTDOWN     34              /* end process and close connection */
24 > #define DS_ADDHOLO      35              /* register new holodeck */
25 > #define DS_STARTIMM     36              /* begin immediate bundle set */
26 > #define DS_ENDIMM       37              /* end immediate bundle set */
27 > #define DS_OUTSECT      38              /* render from outside sections */
28 > #define DS_EYESEP       39              /* eye separation distance */
29  
30   /*
31   * Normally, the server channel has priority, with the display process
# Line 33 | Line 37
37   * Priority returns to normal after the following request.
38   */
39  
40 + #ifndef BIGREQSIZ
41 + #define BIGREQSIZ       512             /* big request size (bytes) */
42 + #endif
43 +
44   typedef struct {
45          int2    type;           /* message type */
46          int4    nbytes;         /* number of additional bytes */
47   } MSGHEAD;              /* message head */
48  
49 <        /* display request message bodies */
50 <
51 <                        /* DR_BUNDLE */
52 < #define BUNDLE_REQ      PACKHEAD
53 <                        /* DR_ATTEN */
54 < /* no body */
55 <                        /* DR_SHUTDOWN */
56 < /* no body */
57 <                        /* DR_NEWSET */
58 < /* body is nbytes/sizeof(BUNDLE_REQ) BUNDLE_REQ bodies */
59 <                        /* DR_ADDSET */
60 < /* body is nbytes/sizeof(PACKHEAD) BUNDLE_REQ bodies */
61 <                        /* DR_DELSET */
54 < /* body is nbytes/sizeof(PACKHEAD) BUNDLE_REQ bodies */
55 <
56 <        /* server response message bodies */
57 <
58 <                        /* DS_BUNDLE */
59 < #define BUNDLE_RES      PACKHEAD        /* followed by nr RAYVAL structs */
60 <                        /* DS_ACKNOW */
61 < /* no body */
62 <                        /* DS_SHUTDOWN */
63 < /* no body */
64 <                        /* DS_ADDHOLO */
65 < #define HOLO_RES        HDGRID
66 <                        /* DS_STARTIMM */
67 < /* no body */
68 <                        /* DS_ENDIMM */
69 < /* no body */
49 > /*
50 > * The display process is started with three arguments.  The first argument
51 > * is the short name of the holodeck file, appropriate for window naming, etc.
52 > * The second and third arguments are the file descriptor numbers assigned to
53 > * the server's standard output and input, respectively.  The stdin and stdout
54 > * of the display process are used for normal communication with the server,
55 > * and are connected to pipes going each way.  It is entirely appropriate
56 > * for the display process to borrow the server's stdin and stdout for reading
57 > * and writing user commands from the list in rhdriver.h.  If standard input
58 > * is not available for reading, then a descriptor of -1 will be passed.
59 > * The standard output will always be available for writing, though it
60 > * may go to /dev/null.
61 > */

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