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root/radiance/ray/src/hd/rhdisp.h
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Comparing ray/src/hd/rhdisp.h (file contents):
Revision 3.5 by gregl, Wed Nov 26 21:34:27 1997 UTC vs.
Revision 3.15 by schorsch, Mon Jul 14 22:24:00 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.
4   */
5 + #ifndef _RAD_RHDISP_H_
6 + #define _RAD_RHDISP_H_
7  
8 + #ifdef __cplusplus
9 + extern "C" {
10 + #endif
11 +
12                                  /* display requests */
13   #define DR_NOOP         0               /* to release from vain DR_ATTEN */
14   #define DR_BUNDLE       1               /* lone bundle request */
# Line 13 | Line 16
16   #define DR_SHUTDOWN     3               /* shutdown request */
17   #define DR_NEWSET       4               /* new bundle set */
18   #define DR_ADDSET       5               /* add to current set */
19 < #define DR_ADJSET       6               /* adjust set quantities */
19 > #define DR_ADJSET       6               /* adjust set quantities */
20   #define DR_DELSET       7               /* delete from current set */
21 + #define DR_KILL         8               /* kill rtrace process(es) */
22 + #define DR_RESTART      9               /* restart rtrace */
23 + #define DR_CLOBBER      10              /* clobber holodeck */
24 + #define DR_VIEWPOINT    11              /* set desired eye position */
25  
26                                  /* server responses */
27 < #define DS_BUNDLE       8               /* computed bundle */
28 < #define DS_ACKNOW       9               /* acknowledge request for attention */
29 < #define DS_SHUTDOWN     10              /* end process and close connection */
30 < #define DS_ADDHOLO      11              /* register new holodeck */
31 < #define DS_STARTIMM     12              /* begin immediate bundle set */
32 < #define DS_ENDIMM       13              /* end immediate bundle set */
27 > #define DS_BUNDLE       32              /* computed bundle */
28 > #define DS_ACKNOW       33              /* acknowledge request for attention */
29 > #define DS_SHUTDOWN     34              /* end process and close connection */
30 > #define DS_ADDHOLO      35              /* register new holodeck */
31 > #define DS_STARTIMM     36              /* begin immediate bundle set */
32 > #define DS_ENDIMM       37              /* end immediate bundle set */
33 > #define DS_OUTSECT      38              /* render from outside sections */
34 > #define DS_EYESEP       39              /* eye separation distance */
35  
36   /*
37   * Normally, the server channel has priority, with the display process
# Line 39 | Line 48
48   #endif
49  
50   typedef struct {
51 <        int2    type;           /* message type */
52 <        int4    nbytes;         /* number of additional bytes */
51 >        int16   type;           /* message type */
52 >        int32   nbytes;         /* number of additional bytes */
53   } MSGHEAD;              /* message head */
54 +
55 + /*
56 + * The display process is started with three arguments.  The first argument
57 + * is the short name of the holodeck file, appropriate for window naming, etc.
58 + * The second and third arguments are the file descriptor numbers assigned to
59 + * the server's standard output and input, respectively.  The stdin and stdout
60 + * of the display process are used for normal communication with the server,
61 + * and are connected to pipes going each way.  It is entirely appropriate
62 + * for the display process to borrow the server's stdin and stdout for reading
63 + * and writing user commands from the list in rhdriver.h.  If standard input
64 + * is not available for reading, then a descriptor of -1 will be passed.
65 + * The standard output will always be available for writing, though it
66 + * may go to /dev/null.
67 + */
68 +
69 + #ifdef __cplusplus
70 + }
71 + #endif
72 + #endif /* _RAD_RHDISP_H_ */
73 +

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