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/* Copyright (c) 1997 Silicon Graphics, Inc. */ |
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/* SCCSid "$SunId$ SGI" */ |
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/* RCSid: $Id$ */ |
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/* |
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* Header for holodeck display drivers. |
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*/ |
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#ifndef _RAD_RHDISP_H_ |
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#define _RAD_RHDISP_H_ |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/* display requests */ |
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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_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 */ |
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#define DR_ADJSET 6 /* adjust set quantities */ |
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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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#define DR_VIEWPOINT 11 /* set desired eye position */ |
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/* server responses */ |
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#define DS_BUNDLE 8 /* computed bundle */ |
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#define DS_ACKNOW 9 /* acknowledge request for attention */ |
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#define DS_SHUTDOWN 10 /* end process and close connection */ |
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#define DS_ADDHOLO 11 /* register new holodeck */ |
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#define DS_STARTIMM 12 /* begin immediate bundle set */ |
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#define DS_ENDIMM 13 /* end immediate bundle set */ |
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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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* Normally, the server channel has priority, with the display process |
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#endif |
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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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int16 type; /* message type */ |
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int32 nbytes; /* number of additional bytes */ |
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} MSGHEAD; /* message head */ |
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/* |
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* 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 following list. If the standard input |
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* and writing user commands from the list in rhdriver.h. If standard input |
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* is not available for reading, then a descriptor of -1 will be passed. |
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* The standard output will always be available for writing, though it |
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* may go to /dev/null. |
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*/ |
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/* user commands */ |
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#define DC_SETVIEW 0 /* set the view */ |
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#define DC_GETVIEW 1 /* print the current view */ |
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#define DC_PAUSE 2 /* pause the current calculation */ |
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#define DC_RESUME 3 /* resume the calculation */ |
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#define DC_QUIT 4 /* quit the program */ |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* _RAD_RHDISP_H_ */ |
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#define DC_NCMDS 5 /* number of commands */ |
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#define DC_INIT {"VIEW=","where","pause","resume","quit"} |
