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root/Development/ray/src/hd/rhdisp.h

Comparing ray/src/hd/rhdisp.h (file contents):
Revision 3.3 by gregl, Mon Nov 10 18:04:20 1997 UTC vs.
Revision 3.7 by gregl, Thu Dec 11 09:35:32 1997 UTC

#	Line 7 | Line 7
7		*/
8
9		/* display requests */
10	<	#define DR_BUNDLE       1               /* bundle request */
10	>	#define DR_NOOP         0               /* to release from vain DR_ATTEN */
11	>	#define DR_BUNDLE       1               /* lone 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		#define DR_ADDSET       5               /* add to current set */
16	<	#define DR_DELSET       6               /* delete from current set */
16	>	#define DR_ADJSET       6               /* adjust set quantities */
17	>	#define DR_DELSET       7               /* delete from current set */
18
19		/* server responses */
20	<	#define DS_BUNDLE       7               /* computed bundle */
21	<	#define DS_ACKNOW       8               /* acknowledge request for attention */
22	<	#define DS_SHUTDOWN     9               /* end process and close connection */
23	<	#define DS_ADDHOLO      10              /* register new holodeck */
24	<	#define DS_STARTIMM     11              /* begin immediate bundle set */
25	<	#define DS_ENDIMM       12              /* end immediate bundle set */
20	>	#define DS_BUNDLE       8               /* computed bundle */
21	>	#define DS_ACKNOW       9               /* acknowledge request for attention */
22	>	#define DS_SHUTDOWN     10              /* end process and close connection */
23	>	#define DS_ADDHOLO      11              /* register new holodeck */
24	>	#define DS_STARTIMM     12              /* begin immediate bundle set */
25	>	#define DS_ENDIMM       13              /* end immediate bundle set */
26
27		/*
28		* Normally, the server channel has priority, with the display process
#	Line 40 | Line 42 | typedef struct {
42		int2    type;           /* message type */
43		int4    nbytes;         /* number of additional bytes */
44		} MSGHEAD;              /* message head */
45	+
46	+	/*
47	+	* The display process is started with three arguments.  The first argument
48	+	* is the short name of the holodeck file, appropriate for window naming, etc.
49	+	* The second and third arguments are the file descriptor numbers assigned to
50	+	* the server's standard output and input, respectively.  The stdin and stdout
51	+	* of the display process are used for normal communication with the server,
52	+	* and are connected to pipes going each way.  It is entirely appropriate
53	+	* for the display process to borrow the server's stdin and stdout for reading
54	+	* and writing user commands from the following list.  If the standard input
55	+	* is not available for reading, then a descriptor of -1 will be passed.
56	+	* The standard output will always be available for writing, though it
57	+	* may go to /dev/null.
58	+	*/
59	+
60	+	/* user commands */
61	+	#define DC_SETVIEW      0               /* set the view */
62	+	#define DC_GETVIEW      1               /* print the current view */
63	+	#define DC_LASTVIEW     2               /* restore previous view */
64	+	#define DC_PAUSE        3               /* pause the current calculation */
65	+	#define DC_RESUME       4               /* resume the calculation */
66	+	#define DC_QUIT         5               /* quit the program */
67	+
68	+	#define DC_NCMDS        6               /* number of commands */
69	+
70	+	#define DC_INIT         {"VIEW=","where","last","pause","resume","quit"}

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