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/* Copyright (c) 1997 Silicon Graphics, Inc. */ |
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#ifndef lint |
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< |
static char SCCSid[] = "$SunId$ SGI"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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|
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/* |
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* X11 driver for holodeck display. |
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* Based on rview driver. |
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*/ |
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#include "standard.h" |
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#include "rhd_qtree.h" |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <X11/Xlib.h> |
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#include <X11/cursorfont.h> |
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#include <X11/Xutil.h> |
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#include <time.h> |
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|
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#include "x11icon.h" |
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#include "platform.h" |
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#include "rtmath.h" |
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#include "rterror.h" |
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#include "plocate.h" |
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#include "rhdisp.h" |
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#include "rhd_qtree.h" |
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#include "x11icon.h" |
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#ifndef RAYQLEN |
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#define RAYQLEN 50000 /* max. rays to queue before flush */ |
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#define GAMMA 2.2 /* default gamma correction */ |
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#define FRAMESTATE(s) (((s)&(ShiftMask|ControlMask))==(ShiftMask|ControlMask)) |
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|
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#define MOVPCT 7 /* percent distance to move /frame */ |
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#define MOVDIR(b) ((b)==Button1 ? 1 : (b)==Button2 ? 0 : -1) |
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#define MOVDEG (-5) /* degrees to orbit CW/down /frame */ |
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struct driver odev; /* global device driver structure */ |
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TMstruct *tmGlobal; /* global tone-mapping structure */ |
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|
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char odev_args[64]; /* command arguments */ |
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|
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static XEvent currentevent; /* current event */ |
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static int ncolors = 0; /* color table size */ |
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static int headlocked = 0; /* lock vertical motion */ |
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static int getpixels(), xnewcolr(), freepixels(), resizewindow(), |
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getevent(), getkey(), moveview(), getmove(), fixwindow(); |
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static unsigned long true_pixel(); |
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|
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static int mytmflags(void); |
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static void xnewcolr(int ndx, int r, int g, int b); |
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static int getpixels(void); |
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static void freepixels(void); |
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static unsigned long true_pixel(uby8 rgb[3]); |
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static void getevent(void); |
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static int ilclip(int dp[2][2], FVECT wp[2]); |
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static void draw3dline(FVECT wp[2]); |
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static void draw_grids(void); |
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static int moveview(int dx, int dy, int mov, int orb); |
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static void getframe(XButtonPressedEvent *ebut); |
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static void waitabit(void); |
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static void getmove(XButtonPressedEvent *ebut); |
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static void getkey(XKeyPressedEvent *ekey); |
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static void fixwindow(XExposeEvent *eexp); |
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static void resizewindow(XConfigureEvent *ersz); |
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|
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static int |
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mytmflags() /* figure out tone mapping flags */ |
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mytmflags(void) /* figure out tone mapping flags */ |
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{ |
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extern char *progname; |
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register char *cp, *tail; |
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char *cp, *tail; |
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/* find basic name */ |
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for (cp = tail = progname; *cp; cp++) |
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if (*cp == '/') |
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if (cp-tail == 4 && !strncmp(tail, "x11h", 4)) |
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return(TM_F_HUMAN|TM_F_NOSTDERR); |
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error(USER, "illegal driver name"); |
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return 0; /* pro forma return */ |
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} |
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dev_open(id) /* initialize X11 driver */ |
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char *id; |
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extern void |
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dev_open( /* initialize X11 driver */ |
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char *id |
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) |
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{ |
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extern char *getenv(); |
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static RGBPRIMS myprims = STDPRIMS; |
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char *ev; |
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double gamval = GAMMA; |
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&myprims[BLU][CIEX],&myprims[BLU][CIEY], |
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&myprims[WHT][CIEX],&myprims[WHT][CIEY]) >= 6) |
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dpri = myprims; |
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if (tmInit(mytmflags(), dpri, gamval) == NULL) |
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tmGlobal = tmInit(mytmflags(), dpri, gamval); |
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if (tmGlobal == NULL) |
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error(SYSTEM, "not enough memory in dev_open"); |
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/* open window */ |
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ourwinattr.background_pixel = ourblack; |
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/* set window manager hints */ |
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ourxwmhints.flags = InputHint|IconPixmapHint; |
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ourxwmhints.input = True; |
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ourxwmhints.icon_pixmap = XCreateBitmapFromData(ourdisplay, |
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gwind, x11icon_bits, x11icon_width, x11icon_height); |
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ourxwmhints.icon_pixmap = XCreateBitmapFromData(ourdisplay, gwind, |
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(char *)x11icon_bits, x11icon_width, x11icon_height); |
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XSetWMHints(ourdisplay, gwind, &ourxwmhints); |
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oursizhints.min_width = MINWIDTH; |
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oursizhints.min_height = MINHEIGHT; |
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DisplayWidth(ourdisplay, ourscreen); |
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pheight = (double)DisplayHeightMM(ourdisplay, ourscreen) / |
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DisplayHeight(ourdisplay, ourscreen); |
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copystruct(&odev.v, &stdview); |
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odev.v = stdview; |
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odev.v.type = VT_PER; |
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/* map the window and get its size */ |
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XMapWindow(ourdisplay, gwind); |
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} |
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dev_close() /* close our display */ |
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extern void |
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> |
dev_close(void) /* close our display */ |
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{ |
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freepixels(); |
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XFreeGC(ourdisplay, ourgc); |
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XCloseDisplay(ourdisplay); |
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ourdisplay = NULL; |
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qtFreeLeaves(); |
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tmDone(NULL); |
231 |
> |
tmDone(tmGlobal); |
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odev.v.type = 0; |
233 |
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odev.hres = odev.vres = 0; |
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odev.ifd = -1; |
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} |
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239 |
< |
dev_clear() /* clear our quadtree */ |
238 |
> |
extern void |
239 |
> |
dev_clear(void) /* clear our quadtree */ |
240 |
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{ |
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qtCompost(100); |
242 |
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if (ncolors > 0) |
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} |
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|
248 |
< |
int |
249 |
< |
dev_view(nv) /* assign new driver view */ |
250 |
< |
VIEW *nv; |
248 |
> |
extern int |
249 |
> |
dev_view( /* assign new driver view */ |
250 |
> |
VIEW *nv |
251 |
> |
) |
252 |
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{ |
253 |
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if (nv->type == VT_PAR || /* check view legality */ |
254 |
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nv->horiz > 160. || nv->vert > 160.) { |
286 |
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XResizeWindow(ourdisplay, gwind, odev.hres, odev.vres); |
287 |
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dev_input(); /* wait for resize event */ |
288 |
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} |
289 |
< |
copystruct(&odev.v, nv); |
289 |
> |
odev.v = *nv; |
290 |
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} |
291 |
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qtReplant(); |
292 |
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return(1); |
293 |
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} |
294 |
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295 |
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|
296 |
< |
VIEW * |
297 |
< |
dev_auxview(n, hvres) /* return nth auxiliary view */ |
298 |
< |
int n; |
299 |
< |
int hvres[2]; |
296 |
> |
extern void |
297 |
> |
dev_section( /* add octree for geometry rendering */ |
298 |
> |
char *gfn, |
299 |
> |
char *pfn |
300 |
> |
) |
301 |
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{ |
302 |
+ |
/* unimplemented */ |
303 |
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} |
304 |
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|
305 |
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|
306 |
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extern void |
307 |
+ |
dev_auxcom( /* process an auxiliary command */ |
308 |
+ |
char *cmd, |
309 |
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char *args |
310 |
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) |
311 |
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{ |
312 |
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sprintf(errmsg, "%s: unknown command", cmd); |
313 |
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error(COMMAND, errmsg); |
314 |
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} |
315 |
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|
316 |
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|
317 |
+ |
extern VIEW * |
318 |
+ |
dev_auxview( /* return nth auxiliary view */ |
319 |
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int n, |
320 |
+ |
int hvres[2] |
321 |
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) |
322 |
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{ |
323 |
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if (n) |
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return(NULL); |
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hvres[0] = odev.hres; hvres[1] = odev.vres; |
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} |
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|
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|
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int |
331 |
< |
dev_input() /* get X11 input */ |
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extern int |
331 |
> |
dev_input(void) /* get X11 input */ |
332 |
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{ |
333 |
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inpresflags = 0; |
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|
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do |
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getevent(); |
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|
338 |
< |
while (XQLength(ourdisplay) > 0); |
338 |
> |
while (XPending(ourdisplay) > 0); |
339 |
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|
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+ |
odev.inpready = 0; |
341 |
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|
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return(inpresflags); |
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} |
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|
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|
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dev_paintr(rgb, xmin, ymin, xmax, ymax) /* fill a rectangle */ |
347 |
< |
BYTE rgb[3]; |
348 |
< |
int xmin, ymin, xmax, ymax; |
346 |
> |
extern void |
347 |
> |
dev_paintr( /* fill a rectangle */ |
348 |
> |
uby8 rgb[3], |
349 |
> |
int xmin, |
350 |
> |
int ymin, |
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> |
int xmax, |
352 |
> |
int ymax |
353 |
> |
) |
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{ |
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unsigned long pixel; |
356 |
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|
366 |
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} |
367 |
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|
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|
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int |
370 |
< |
dev_flush() /* flush output */ |
369 |
> |
extern int |
370 |
> |
dev_flush(void) /* flush output */ |
371 |
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{ |
372 |
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qtUpdate(); |
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rayqleft = RAYQLEN; |
374 |
< |
return(XPending(ourdisplay)); |
374 |
> |
return(odev.inpready = XPending(ourdisplay)); |
375 |
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} |
376 |
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|
377 |
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|
378 |
< |
static |
379 |
< |
xnewcolr(ndx, r, g, b) /* enter a color into hardware table */ |
380 |
< |
int ndx; |
381 |
< |
int r, g, b; |
378 |
> |
static void |
379 |
> |
xnewcolr( /* enter a color into hardware table */ |
380 |
> |
int ndx, |
381 |
> |
int r, |
382 |
> |
int g, |
383 |
> |
int b |
384 |
> |
) |
385 |
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{ |
386 |
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XColor xcolor; |
387 |
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|
396 |
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|
397 |
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|
398 |
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static int |
399 |
< |
getpixels() /* get the color map */ |
399 |
> |
getpixels(void) /* get the color map */ |
400 |
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{ |
401 |
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XColor thiscolor; |
402 |
< |
register int i, j; |
402 |
> |
int i, j; |
403 |
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|
404 |
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if (ncolors > 0) |
405 |
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return(ncolors); |
418 |
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return(ncolors = 0); |
419 |
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if (XAllocColorCells(ourdisplay,ourmap,0,NULL,0,pixval,ncolors)) |
420 |
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break; |
421 |
< |
free((char *)pixval); |
421 |
> |
free((void *)pixval); |
422 |
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pixval = NULL; |
423 |
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} |
424 |
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if (pixval == NULL) { |
447 |
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} |
448 |
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|
449 |
|
|
450 |
< |
static |
451 |
< |
freepixels() /* free our pixels */ |
450 |
> |
static void |
451 |
> |
freepixels(void) /* free our pixels */ |
452 |
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{ |
453 |
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if (ncolors == 0) |
454 |
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return; |
455 |
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XFreeColors(ourdisplay,ourmap,pixval,ncolors,0L); |
456 |
< |
free((char *)pixval); |
456 |
> |
free((void *)pixval); |
457 |
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pixval = NULL; |
458 |
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ncolors = 0; |
459 |
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if (ourmap != DefaultColormap(ourdisplay,ourscreen)) |
463 |
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|
464 |
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|
465 |
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static unsigned long |
466 |
< |
true_pixel(rgb) /* return true pixel value for color */ |
467 |
< |
register BYTE rgb[3]; |
466 |
> |
true_pixel( /* return true pixel value for color */ |
467 |
> |
uby8 rgb[3] |
468 |
> |
) |
469 |
|
{ |
470 |
< |
register unsigned long rval; |
470 |
> |
unsigned long rval; |
471 |
|
|
472 |
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rval = ourvinfo.red_mask*rgb[RED]/255 & ourvinfo.red_mask; |
473 |
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rval |= ourvinfo.green_mask*rgb[GRN]/255 & ourvinfo.green_mask; |
476 |
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} |
477 |
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|
478 |
|
|
479 |
< |
static |
480 |
< |
getevent() /* get next event */ |
479 |
> |
static void |
480 |
> |
getevent(void) /* get next event */ |
481 |
|
{ |
482 |
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XNextEvent(ourdisplay, levptr(XEvent)); |
483 |
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switch (levptr(XEvent)->type) { |
504 |
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getkey(levptr(XKeyPressedEvent)); |
505 |
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break; |
506 |
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case ButtonPress: |
507 |
< |
getmove(levptr(XButtonPressedEvent)); |
507 |
> |
if (FRAMESTATE(levptr(XButtonPressedEvent)->state)) |
508 |
> |
getframe(levptr(XButtonPressedEvent)); |
509 |
> |
else |
510 |
> |
switch (levptr(XButtonPressedEvent)->button) { |
511 |
> |
case Button4: /* wheel up */ |
512 |
> |
case Button5: /* wheel down */ |
513 |
> |
break; |
514 |
> |
default: |
515 |
> |
getmove(levptr(XButtonPressedEvent)); |
516 |
> |
break; |
517 |
> |
} |
518 |
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break; |
519 |
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} |
520 |
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} |
521 |
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|
522 |
|
|
523 |
< |
static |
524 |
< |
ilclip(dp, wp) /* clip world coordinates to device */ |
525 |
< |
int dp[2][2]; |
526 |
< |
FVECT wp[2]; |
523 |
> |
static int |
524 |
> |
ilclip( /* clip world coordinates to device */ |
525 |
> |
int dp[2][2], |
526 |
> |
FVECT wp[2] |
527 |
> |
) |
528 |
|
{ |
529 |
< |
static FVECT vmin = {0.,0.,0.}, vmax = {1.,1.,FHUGE}; |
530 |
< |
FVECT ip[2]; |
531 |
< |
/* not exactly right, but who cares? */ |
532 |
< |
viewloc(ip[0], &odev.v, wp[0]); |
533 |
< |
viewloc(ip[1], &odev.v, wp[1]); |
529 |
> |
static FVECT vmin = {0.,0.,0.}, vmax = {1.-FTINY,1.-FTINY,FHUGE}; |
530 |
> |
FVECT wpc[2], ip[2]; |
531 |
> |
double d, d0, d1; |
532 |
> |
/* check for points behind view */ |
533 |
> |
d = DOT(odev.v.vp, odev.v.vdir); |
534 |
> |
d0 = DOT(wp[0], odev.v.vdir) - d; |
535 |
> |
d1 = DOT(wp[1], odev.v.vdir) - d; |
536 |
> |
/* work on copy of world points */ |
537 |
> |
if (d0 <= d1) { |
538 |
> |
VCOPY(wpc[0], wp[0]); VCOPY(wpc[1], wp[1]); |
539 |
> |
} else { |
540 |
> |
d = d0; d0 = d1; d1 = d; |
541 |
> |
VCOPY(wpc[1], wp[0]); VCOPY(wpc[0], wp[1]); |
542 |
> |
} |
543 |
> |
if (d0 <= FTINY) { |
544 |
> |
if (d1 <= FTINY) return(0); |
545 |
> |
VSUB(wpc[0], wpc[0], wpc[1]); |
546 |
> |
d = .99*d1/(d1-d0); |
547 |
> |
VSUM(wpc[0], wpc[1], wpc[0], d); |
548 |
> |
} |
549 |
> |
/* get view coordinates and clip to window */ |
550 |
> |
viewloc(ip[0], &odev.v, wpc[0]); |
551 |
> |
viewloc(ip[1], &odev.v, wpc[1]); |
552 |
|
if (!clip(ip[0], ip[1], vmin, vmax)) |
553 |
|
return(0); |
554 |
|
dp[0][0] = ip[0][0]*odev.hres; |
559 |
|
} |
560 |
|
|
561 |
|
|
562 |
< |
static |
563 |
< |
draw3dline(wp) /* draw 3d line in world coordinates */ |
564 |
< |
FVECT wp[2]; |
562 |
> |
static void |
563 |
> |
draw3dline( /* draw 3d line in world coordinates */ |
564 |
> |
FVECT wp[2] |
565 |
> |
) |
566 |
|
{ |
567 |
|
int dp[2][2]; |
568 |
|
|
574 |
|
} |
575 |
|
|
576 |
|
|
577 |
< |
static |
578 |
< |
draw_grids() /* draw holodeck section grids */ |
577 |
> |
static void |
578 |
> |
draw_grids(void) /* draw holodeck section grids */ |
579 |
|
{ |
580 |
< |
static BYTE gridrgb[3] = {0x0, 0xff, 0xff}; |
580 |
> |
static uby8 gridrgb[3] = {0x0, 0xff, 0xff}; |
581 |
|
unsigned long pixel; |
582 |
|
|
492 |
– |
if (!mapped) |
493 |
– |
return; |
583 |
|
if (ncolors > 0) |
584 |
|
pixel = pixval[get_pixel(gridrgb, xnewcolr)]; |
585 |
|
else |
590 |
|
} |
591 |
|
|
592 |
|
|
593 |
< |
static |
594 |
< |
moveview(dx, dy, mov, orb) /* move our view */ |
595 |
< |
int dx, dy, mov, orb; |
593 |
> |
static int |
594 |
> |
moveview( /* move our view */ |
595 |
> |
int dx, |
596 |
> |
int dy, |
597 |
> |
int mov, |
598 |
> |
int orb |
599 |
> |
) |
600 |
|
{ |
601 |
|
VIEW nv; |
602 |
|
FVECT odir, v1; |
603 |
|
double d; |
604 |
< |
register int li; |
604 |
> |
int li; |
605 |
|
/* start with old view */ |
606 |
< |
copystruct(&nv, &odev.v); |
606 |
> |
nv = odev.v; |
607 |
|
/* change view direction */ |
608 |
|
if (mov | orb) { |
609 |
|
if ((li = qtFindLeaf(dx, dy)) < 0) |
619 |
|
VSUM(nv.vp, qtL.wp[li], odir, -1.); |
620 |
|
spinvector(nv.vdir, nv.vdir, nv.vup, d); |
621 |
|
} else if (orb) { /* orbit up/down */ |
622 |
< |
fcross(v1, odir, nv.vup); |
623 |
< |
if (normalize(v1) == 0.) |
622 |
> |
if (geodesic(odir, odir, nv.vup, |
623 |
> |
d=MOVDEG*PI/180.*orb, GEOD_RAD) == 0.0) |
624 |
|
return(0); |
532 |
– |
spinvector(odir, odir, v1, d=MOVDEG*PI/180.*orb); |
625 |
|
VSUM(nv.vp, qtL.wp[li], odir, -1.); |
626 |
< |
spinvector(nv.vdir, nv.vdir, v1, d); |
626 |
> |
geodesic(nv.vdir, nv.vdir, nv.vup, d, GEOD_RAD); |
627 |
|
} else if (mov) { /* move forward/backward */ |
628 |
|
d = MOVPCT/100. * mov; |
629 |
|
VSUM(nv.vp, nv.vp, odir, d); |
641 |
|
} |
642 |
|
|
643 |
|
|
644 |
< |
static |
645 |
< |
getmove(ebut) /* get view change */ |
646 |
< |
XButtonPressedEvent *ebut; |
644 |
> |
static void |
645 |
> |
getframe( /* get focus frame */ |
646 |
> |
XButtonPressedEvent *ebut |
647 |
> |
) |
648 |
|
{ |
649 |
+ |
int startx = ebut->x, starty = ebut->y; |
650 |
+ |
int endx, endy, midx, midy; |
651 |
+ |
FVECT v1; |
652 |
+ |
int li; |
653 |
+ |
/* get mouse drag */ |
654 |
+ |
XMaskEvent(ourdisplay, ButtonReleaseMask, levptr(XEvent)); |
655 |
+ |
endx = levptr(XButtonReleasedEvent)->x; |
656 |
+ |
endy = levptr(XButtonReleasedEvent)->y; |
657 |
+ |
midx = (startx + endx) >> 1; |
658 |
+ |
midy = (starty + endy) >> 1; |
659 |
+ |
/* set focus distance */ |
660 |
+ |
if ((li = qtFindLeaf(midx, midy)) < 0) |
661 |
+ |
return; /* not on window */ |
662 |
+ |
VCOPY(v1, qtL.wp[li]); |
663 |
+ |
odev.v.vdist = sqrt(dist2(odev.v.vp, v1)); |
664 |
+ |
/* set frame for rendering */ |
665 |
+ |
if ((endx == startx) | (endy == starty)) |
666 |
+ |
return; |
667 |
+ |
if (endx < startx) {int c = endx; endx = startx; startx = c;} |
668 |
+ |
if (endy < starty) {int c = endy; endy = starty; starty = c;} |
669 |
+ |
sprintf(odev_args, "%.3f %.3f %.3f %.3f", |
670 |
+ |
(startx+.5)/odev.hres, 1.-(endy+.5)/odev.vres, |
671 |
+ |
(endx+.5)/odev.hres, 1.-(starty+.5)/odev.vres); |
672 |
+ |
inpresflags |= DFL(DC_FOCUS); |
673 |
+ |
} |
674 |
+ |
|
675 |
+ |
|
676 |
+ |
static void |
677 |
+ |
waitabit(void) /* pause a moment */ |
678 |
+ |
{ |
679 |
+ |
struct timespec ts; |
680 |
+ |
ts.tv_sec = 0; |
681 |
+ |
ts.tv_nsec = 100000000; |
682 |
+ |
nanosleep(&ts, NULL); |
683 |
+ |
} |
684 |
+ |
|
685 |
+ |
|
686 |
+ |
static void |
687 |
+ |
getmove( /* get view change */ |
688 |
+ |
XButtonPressedEvent *ebut |
689 |
+ |
) |
690 |
+ |
{ |
691 |
|
int movdir = MOVDIR(ebut->button); |
692 |
|
int movorb = MOVORB(ebut->state); |
693 |
|
int oldnodesiz = qtMinNodesiz; |
700 |
|
|
701 |
|
while (!XCheckMaskEvent(ourdisplay, |
702 |
|
ButtonReleaseMask, levptr(XEvent))) { |
703 |
< |
|
703 |
> |
waitabit(); |
704 |
|
if (!XQueryPointer(ourdisplay, gwind, &rootw, &childw, |
705 |
|
&rootx, &rooty, &wx, &wy, &statemask)) |
706 |
|
break; /* on another screen */ |
725 |
|
} |
726 |
|
|
727 |
|
|
728 |
< |
static |
729 |
< |
getkey(ekey) /* get input key */ |
730 |
< |
register XKeyPressedEvent *ekey; |
728 |
> |
static void |
729 |
> |
getkey( /* get input key */ |
730 |
> |
XKeyPressedEvent *ekey |
731 |
> |
) |
732 |
|
{ |
733 |
+ |
Window rootw, childw; |
734 |
+ |
int rootx, rooty, wx, wy; |
735 |
+ |
unsigned int statemask; |
736 |
|
int n; |
737 |
|
char buf[8]; |
738 |
|
|
749 |
|
case 'l': /* retrieve last view */ |
750 |
|
inpresflags |= DFL(DC_LASTVIEW); |
751 |
|
return; |
752 |
+ |
case 'f': /* frame view position */ |
753 |
+ |
if (!XQueryPointer(ourdisplay, gwind, &rootw, &childw, |
754 |
+ |
&rootx, &rooty, &wx, &wy, &statemask)) |
755 |
+ |
return; /* on another screen */ |
756 |
+ |
sprintf(odev_args, "%.4f %.4f", (wx+.5)/odev.hres, |
757 |
+ |
1.-(wy+.5)/odev.vres); |
758 |
+ |
inpresflags |= DFL(DC_FOCUS); |
759 |
+ |
return; |
760 |
+ |
case 'F': /* unfocus */ |
761 |
+ |
odev_args[0] = '\0'; |
762 |
+ |
inpresflags |= DFL(DC_FOCUS); |
763 |
+ |
return; |
764 |
|
case 'p': /* pause computation */ |
765 |
|
inpresflags |= DFL(DC_PAUSE); |
766 |
|
return; |
807 |
|
} |
808 |
|
|
809 |
|
|
810 |
< |
static |
811 |
< |
fixwindow(eexp) /* repair damage to window */ |
812 |
< |
register XExposeEvent *eexp; |
810 |
> |
static void |
811 |
> |
fixwindow( /* repair damage to window */ |
812 |
> |
XExposeEvent *eexp |
813 |
> |
) |
814 |
|
{ |
815 |
|
if (odev.hres == 0 || odev.vres == 0) { /* first exposure */ |
816 |
|
odev.hres = eexp->width; |
821 |
|
} |
822 |
|
|
823 |
|
|
824 |
< |
static |
825 |
< |
resizewindow(ersz) /* resize window */ |
826 |
< |
register XConfigureEvent *ersz; |
824 |
> |
static void |
825 |
> |
resizewindow( /* resize window */ |
826 |
> |
XConfigureEvent *ersz |
827 |
> |
) |
828 |
|
{ |
829 |
|
if (ersz->width == odev.hres && ersz->height == odev.vres) |
830 |
|
return; |