--- ray/src/hd/rhdriver.h 1998/06/17 15:44:07 3.14 +++ ray/src/hd/rhdriver.h 2006/06/07 17:52:04 3.25 @@ -1,20 +1,27 @@ -/* Copyright (c) 1998 Silicon Graphics, Inc. */ - -/* SCCSid "$SunId$ SGI" */ - +/* RCSid: $Id: rhdriver.h,v 3.25 2006/06/07 17:52:04 schorsch Exp $ */ /* * Header file for holodeck device driver routines. */ +#ifndef _RAD_RHDRIVER_H_ +#define _RAD_RHDRIVER_H_ #include "view.h" +#ifdef __cplusplus +extern "C" { +#endif + extern struct driver { char *name; /* holodeck name or title */ VIEW v; /* base view parameters */ int hres, vres; /* base view resolution */ int ifd; /* input file descriptor (for select) */ + int firstuse; /* non-zero if driver can't recycle samples */ + int inpready; /* number of unprocessed input events */ } odev; /* our open device */ +extern char odev_args[]; /* command arguments, if any */ + extern int imm_mode; /* bundles are being delivered immediately */ extern double eyesepdist; /* world eye separation distance */ @@ -23,25 +30,26 @@ extern double eyesepdist; /* world eye separation dist #define DC_SETVIEW 0 /* set the base view */ #define DC_GETVIEW 1 /* print the current base view */ #define DC_LASTVIEW 2 /* restore previous view */ -#define DC_PAUSE 3 /* pause the current calculation */ -#define DC_RESUME 4 /* resume the calculation */ -#define DC_REDRAW 5 /* redraw from server */ -#define DC_KILL 6 /* kill rtrace process(es) */ -#define DC_RESTART 7 /* restart rtrace process(es) */ -#define DC_CLOBBER 8 /* clobber holodeck file */ -#define DC_QUIT 9 /* quit the program */ +#define DC_FOCUS 3 /* view focus */ +#define DC_PAUSE 4 /* pause the current calculation */ +#define DC_RESUME 5 /* resume the calculation */ +#define DC_REDRAW 6 /* redraw from server */ +#define DC_KILL 7 /* kill rtrace process(es) */ +#define DC_RESTART 8 /* restart rtrace process(es) */ +#define DC_CLOBBER 9 /* clobber holodeck file */ +#define DC_QUIT 10 /* quit the program */ -#define DC_NCMDS 10 /* number of commands */ +#define DC_NCMDS 11 /* number of commands */ /* dev_input() returns flags from above */ #define DFL(dc) (1<<(dc)) #define CTRL(c) ((c)-'@') /* commands entered in display window */ -#define DV_INIT {'\0','v','l','p','\r',CTRL('L'),'K','R','C','q'} +#define DV_INIT {'\0','v','l','f','p','\r',CTRL('L'),'K','R','C','q'} /* commands entered on stdin */ -#define DC_INIT {"VIEW=","where","last","pause","resume","redraw",\ - "kill","restart","clobber","quit"} +#define DC_INIT {"VIEW=","where","last","frame","pause","resume",\ + "redraw","kill","restart","clobber","quit"} /************************************************************************ @@ -77,20 +85,21 @@ the screen is optional. void -dev_value(c, p, v) : register new point of light +dev_value(c, d, p) : register new point of light COLR c; : pixel color (RGBE) +FVECT d; : ray direction vector FVECT p; : world intersection point -FVECT v; : ray direction vector Add the given color point to the display output queue. If imm_mode is -non-zero, then values are being sent in rapid succession. +non-zero, then values are being sent in rapid succession. If p is NULL, +then the point is at infinity. int dev_flush() : flush the output and prepare for select call Updates display, taking any pending action required before select(2) call. -Returns non-zero if there is device input available. +Returns non-zero if there is device input available, setting odev.inpready. int @@ -99,7 +108,10 @@ dev_input() : process pending display input Called when odev struct file descriptor shows input is ready. Returns flags indicating actions to take in the control process. If the DC_VIEW or DC_RESIZE flag is returned, the odev -structure must be updated beforehand. +structure must be updated beforehand. If the DC_FOCUS +flag is set, then odev_args contains the frame dimensions. +No events shall remain when this function returns, +and odev.inpready will therefore be 0. void dev_auxcom(cmd, args) : process auxiliary command @@ -124,6 +136,27 @@ views. The zeroeth auxiliary view is the base view it void +dev_section(gf, pf) : add geometry and ports for rendering +char *gf; : geometry file name +char *pf; : portal file name(s) + +Add the given geometry file to the list of geometry to render for +intermediate views if direct geometry rendering is available. The +second argument gives the name(s) of any portal geometry files +associated with this section. Multiple portal file names are separated +by spaces. A single octree file will be given for the geometry, ending +in the ".oct" suffix. Portal files will be given as zero or more +Radiance scene description file names. If no portals are given for +this section, the string may be NULL. The character strings are +guaranteed to be static (or permanently allocated) such that they may +be safely stored as a pointer. The same pointers or file lists may be +(and often are) given repeatedly. If a given geometry file does not +exist, the call should be silently ignored. If gf is NULL, then the +last section has been given, and the display can be updated with the +new information. + + +void dev_close() : close the display Close the display device and free up resources in preparation for exit. @@ -133,4 +166,27 @@ Set odev.v.type=0 and odev.hres=odev.vres=0 when done. ************************************************************************/ +/* extern VIEW *dev_auxview(); +*/ +extern int16 *beam_view(VIEW *vn, int hr, int vr); + + +extern void dev_open(char *id); +extern void dev_close(void); +extern void dev_clear(void); +extern int dev_view(register VIEW *nv); +extern void dev_section(char *gfn, char *pfn); +extern void dev_auxcom(char *cmd, char *args); +extern VIEW *dev_auxview(int n, int hvres[2]); +extern int dev_input(void); +extern void dev_value(COLR c, FVECT d, FVECT p); +extern int dev_flush(void); +extern void dev_paintr(BYTE rgb[3], int xmin, int ymin, int xmax, int ymax); +extern void dev_cone(BYTE rgb[3], FVECT ip, double rad); + +#ifdef __cplusplus +} +#endif +#endif /* _RAD_RHDRIVER_H_ */ +