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schorsch |
3.16 |
/* RCSid: $Id: rhdisp.h,v 3.15 2003/07/14 22:24:00 schorsch Exp $ */
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gregl |
3.1 |
/*
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* Header for holodeck display drivers.
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*/
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schorsch |
3.15 |
#ifndef _RAD_RHDISP_H_
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#define _RAD_RHDISP_H_
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schorsch |
3.16 |
#include "color.h"
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schorsch |
3.15 |
#ifdef __cplusplus
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extern "C" {
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#endif
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gregl |
3.1 |
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/* display requests */
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gregl |
3.4 |
#define DR_NOOP 0 /* to release from vain DR_ATTEN */
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gregl |
3.5 |
#define DR_BUNDLE 1 /* lone bundle request */
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gregl |
3.2 |
#define DR_ATTEN 2 /* request for attention */
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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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gregl |
3.1 |
#define DR_ADDSET 5 /* add to current set */
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gregl |
3.9 |
#define DR_ADJSET 6 /* adjust set quantities */
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gregl |
3.5 |
#define DR_DELSET 7 /* delete from current set */
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gregl |
3.9 |
#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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gwlarson |
3.12 |
#define DR_VIEWPOINT 11 /* set desired eye position */
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gregl |
3.1 |
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/* server responses */
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gregl |
3.9 |
#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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gregl |
3.10 |
#define DS_OUTSECT 38 /* render from outside sections */
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gwlarson |
3.11 |
#define DS_EYESEP 39 /* eye separation distance */
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gregl |
3.1 |
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/*
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* Normally, the server channel has priority, with the display process
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* checking it frequently for new data. However, when the display process
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* makes a request for attention (DR_ATTEN), the server will finish its
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* current operations and flush its buffers, sending an acknowledge
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* message (DS_ACKNOW) when it's done. This then allows the
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* display process to send a long request to the holodeck server.
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* Priority returns to normal after the following request.
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*/
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gregl |
3.3 |
#ifndef BIGREQSIZ
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#define BIGREQSIZ 512 /* big request size (bytes) */
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#endif
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gregl |
3.1 |
typedef struct {
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greg |
3.14 |
int16 type; /* message type */
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int32 nbytes; /* number of additional bytes */
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gregl |
3.1 |
} MSGHEAD; /* message head */
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gregl |
3.6 |
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/*
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* The display process is started with three arguments. The first argument
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* is the short name of the holodeck file, appropriate for window naming, etc.
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* The second and third arguments are the file descriptor numbers assigned to
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* the server's standard output and input, respectively. The stdin and stdout
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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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gregl |
3.8 |
* and writing user commands from the list in rhdriver.h. If standard input
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gregl |
3.6 |
* 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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schorsch |
3.16 |
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/* rhdisp.c */
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extern void serv_request(int type, int nbytes, char *p);
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extern int serv_result(void);
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/* rhdisp2.c */
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extern int beam_sync(int all);
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extern void beam_init(int fresh);
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//extern int16 * beam_view(VIEW *vn, int hr, int vr);
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/* rhdisp2.c, rhdisp3.c */
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extern void gridlines(void (*f)(FVECT wp[2]));
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/* rhd_ctab.c */
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extern int new_ctab(int ncolors);
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extern int get_pixel(BYTE rgb[3], void (*set_pixel)(int h, int r, int g, int b));
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| 85 |
schorsch |
3.15 |
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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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