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/* Copyright (c) 1998 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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* OpenGL driver for holodeck display. |
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* Based on GLX driver using T-mesh. |
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#endif |
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#endif |
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#include "standard.h" |
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|
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< |
#include <sys/types.h> |
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> |
#include <time.h> |
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#include <GL/glx.h> |
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#include <GL/glu.h> |
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#ifdef STEREO |
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#include <X11/extensions/SGIStereo.h> |
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#endif |
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|
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#include "standard.h" |
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#include "rhd_odraw.h" |
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#include "rhdisp.h" |
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#include "paths.h" |
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#ifdef DOBJ |
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#include "rhdobj.h" |
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#endif |
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#include "x11icon.h" |
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|
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#ifndef RAYQLEN |
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< |
#define RAYQLEN 50000 /* max. rays to queue before flush */ |
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> |
#define RAYQLEN 0 /* max. rays to queue before flush */ |
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#endif |
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#ifndef MINWIDTH |
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#define MINWIDTH 480 /* minimum graphics window width */ |
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#define MINHEIGHT 400 /* minimum graphics window height */ |
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#endif |
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#ifndef VIEWDIST |
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#define VIEWDIST 356 /* assumed viewing distance (mm) */ |
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#endif |
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#ifndef BORWIDTH |
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#define BORWIDTH 5 /* border width */ |
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#endif |
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|
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#ifndef FEQ |
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#define FEQ(a,b) ((a)-(b) <= FTINY && (a)-(b) >= -FTINY) |
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#define MOVDEG (-5) /* degrees to orbit CW/down /frame */ |
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#define MOVORB(s) ((s)&ShiftMask ? 1 : (s)&ControlMask ? -1 : 0) |
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|
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#define MINWIDTH 480 /* minimum graphics window width */ |
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#define MINHEIGHT 400 /* minimum graphics window height */ |
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|
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#define VIEWDIST 356 /* assumed viewing distance (mm) */ |
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|
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#define BORWIDTH 5 /* border width */ |
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#define setstereobuf(bid) (glXWaitGL(), \ |
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XSGISetStereoBuffer(ourdisplay, gwind, bid), \ |
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glXWaitX()) |
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|
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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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static GLfloat *depthbuffer = NULL; /* depth buffer */ |
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static int viewflags; /* what's happening with view */ |
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/* |
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static int resizewindow(), getevent(), getkey(), moveview(), wipeclean(), |
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xferdepth(), freedepth(), setglortho(), |
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setglpersp(), getframe(), getmove(), fixwindow(), mytmflags(); |
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|
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static double getdistance(); |
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*/ |
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static void checkglerr(char *where); |
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static void xferdepth(void); |
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static void freedepth(void); |
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static double getdistance(int dx, int dy, FVECT direc); |
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static int mytmflags(void); |
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static void getevent(void); |
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static void draw3dline(register FVECT wp[2]); |
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static void draw_grids(int fore); |
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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 getmove(XButtonPressedEvent *ebut); |
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static void getkey(register XKeyPressedEvent *ekey); |
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static void fixwindow(register XExposeEvent *eexp); |
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static void resizewindow(register XConfigureEvent *ersz); |
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static void waitabit(void); |
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static void setglpersp(void); |
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static void setglortho(void); |
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static void wipeclean(void); |
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|
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#ifdef STEREO |
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< |
static int pushright(), popright(); |
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> |
static void pushright(void); |
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> |
static void popright(void); |
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#endif |
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extern int gmPortals; /* GL portal list id */ |
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extern time_t time(); |
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extern void |
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dev_open(id) /* initialize GLX driver */ |
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char *id; |
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{ |
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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, |
| 239 |
< |
gwind, x11icon_bits, x11icon_width, x11icon_height); |
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> |
ourxwmhints.icon_pixmap = XCreateBitmapFromData(ourdisplay, gwind, |
| 239 |
> |
(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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#ifdef STEREO |
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glDisable(GL_CULL_FACE); |
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glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, GL_TRUE); |
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glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); |
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+ |
glPixelStorei(GL_PACK_ALIGNMENT, 1); |
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+ |
glPixelStorei(GL_UNPACK_ALIGNMENT, 1); |
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/* figure out sensible view */ |
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pwidth = (double)DisplayWidthMM(ourdisplay, ourscreen) / |
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DisplayWidth(ourdisplay, ourscreen); |
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setstereobuf(STEREO_BUFFER_LEFT); |
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#endif |
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checkglerr("setting rendering parameters"); |
| 274 |
< |
copystruct(&odev.v, &stdview); |
| 274 |
> |
odev.v = stdview; |
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odev.v.type = VT_PER; |
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viewflags = VWSTEADY; /* view starts static */ |
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/* map the window */ |
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XMapWindow(ourdisplay, gwind); |
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dev_input(); /* sets size and view angles */ |
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if (!odInit(DisplayWidth(ourdisplay,ourscreen) * |
| 281 |
< |
DisplayHeight(ourdisplay,ourscreen) / 4)) |
| 281 |
> |
DisplayHeight(ourdisplay,ourscreen) / 3)) |
| 282 |
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error(SYSTEM, "insufficient memory for value storage"); |
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odev.name = id; |
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odev.firstuse = 1; /* can't recycle samples */ |
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} |
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|
| 288 |
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|
| 289 |
< |
dev_close() /* close our display and free resources */ |
| 289 |
> |
extern void |
| 290 |
> |
dev_close(void) /* close our display and free resources */ |
| 291 |
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{ |
| 292 |
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#ifdef DOBJ |
| 293 |
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dobj_cleanup(); |
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gwind = 0; |
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XCloseDisplay(ourdisplay); |
| 304 |
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ourdisplay = NULL; |
| 305 |
< |
tmDone(NULL); |
| 305 |
> |
tmDone(tmGlobal); |
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odev.v.type = 0; |
| 307 |
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odev.hres = odev.vres = 0; |
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odev.ifd = -1; |
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} |
| 310 |
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|
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|
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< |
dev_clear() /* clear our representation */ |
| 312 |
> |
extern void |
| 313 |
> |
dev_clear(void) /* clear our representation */ |
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{ |
| 315 |
< |
wipeclean(); |
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> |
viewflags |= VWCHANGE; /* pretend our view has changed */ |
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> |
wipeclean(); /* clean off display and samples */ |
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> |
dev_flush(); /* redraw geometry & get depth */ |
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rayqleft = 0; /* hold off update */ |
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} |
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|
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|
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< |
int |
| 323 |
< |
dev_view(nv) /* assign new driver view */ |
| 324 |
< |
register VIEW *nv; |
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> |
extern int |
| 323 |
> |
dev_view( /* assign new driver view */ |
| 324 |
> |
register VIEW *nv |
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> |
) |
| 326 |
|
{ |
| 327 |
+ |
#ifdef STEREO |
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|
double d; |
| 329 |
< |
|
| 329 |
> |
#endif |
| 330 |
|
if (nv->type != VT_PER || /* check view legality */ |
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nv->horiz > 160. || nv->vert > 160.) { |
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error(COMMAND, "illegal view type/angle"); |
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XResizeWindow(ourdisplay, gwind, odev.hres, odev.vres); |
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dev_input(); /* get resize event */ |
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} |
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< |
copystruct(&odev.v, nv); /* setview() already called */ |
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< |
#ifdef STEREO |
| 331 |
< |
copystruct(&vwright, nv); |
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< |
d = eyesepdist / sqrt(nv->hn2); |
| 333 |
< |
VSUM(vwright.vp, nv->vp, nv->hvec, d); |
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< |
/* setview(&vwright); -- Unnecessary */ |
| 335 |
< |
#endif |
| 365 |
> |
odev.v = *nv; /* setview() already called */ |
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|
viewflags |= VWCHANGE; |
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} |
| 368 |
+ |
#ifdef STEREO |
| 369 |
+ |
vwright = *nv; |
| 370 |
+ |
d = eyesepdist / sqrt(nv->hn2); |
| 371 |
+ |
VSUM(vwright.vp, nv->vp, nv->hvec, d); |
| 372 |
+ |
/* setview(&vwright); -- Unnecessary */ |
| 373 |
+ |
#endif |
| 374 |
|
wipeclean(); |
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return(1); |
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} |
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|
| 378 |
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|
| 379 |
< |
dev_section(gfn, pfn) /* add octree for geometry rendering */ |
| 380 |
< |
char *gfn, *pfn; |
| 379 |
> |
extern void |
| 380 |
> |
dev_section( /* add octree for geometry rendering */ |
| 381 |
> |
char *gfn, |
| 382 |
> |
char *pfn |
| 383 |
> |
) |
| 384 |
|
{ |
| 346 |
– |
extern char *index(); |
| 347 |
– |
char *cp; |
| 348 |
– |
|
| 385 |
|
if (gfn == NULL) { |
| 386 |
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gmEndGeom(); |
| 387 |
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gmEndPortal(); |
| 401 |
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} |
| 402 |
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|
| 403 |
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|
| 404 |
< |
dev_auxcom(cmd, args) /* process an auxiliary command */ |
| 405 |
< |
char *cmd, *args; |
| 404 |
> |
extern void |
| 405 |
> |
dev_auxcom( /* process an auxiliary command */ |
| 406 |
> |
char *cmd, |
| 407 |
> |
char *args |
| 408 |
> |
) |
| 409 |
|
{ |
| 410 |
|
#ifdef DOBJ |
| 411 |
< |
if (dobj_command(cmd, args) >= 0) |
| 411 |
> |
int vischange; |
| 412 |
> |
|
| 413 |
> |
if ((vischange = dobj_command(cmd, args)) >= 0) { |
| 414 |
> |
if (vischange) { |
| 415 |
> |
imm_mode = beam_sync(1) > 0; |
| 416 |
> |
dev_clear(); |
| 417 |
> |
} |
| 418 |
|
return; |
| 419 |
+ |
} |
| 420 |
|
#endif |
| 421 |
|
sprintf(errmsg, "%s: unknown command", cmd); |
| 422 |
|
error(COMMAND, errmsg); |
| 423 |
|
} |
| 424 |
|
|
| 425 |
|
|
| 426 |
< |
VIEW * |
| 427 |
< |
dev_auxview(n, hvres) /* return nth auxiliary view */ |
| 428 |
< |
int n; |
| 429 |
< |
int hvres[2]; |
| 426 |
> |
extern VIEW * |
| 427 |
> |
dev_auxview( /* return nth auxiliary view */ |
| 428 |
> |
int n, |
| 429 |
> |
int hvres[2] |
| 430 |
> |
) |
| 431 |
|
{ |
| 432 |
|
hvres[0] = odev.hres; hvres[1] = odev.vres; |
| 433 |
|
if (n == 0) |
| 440 |
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} |
| 441 |
|
|
| 442 |
|
|
| 443 |
< |
int |
| 444 |
< |
dev_input() /* get X11 input */ |
| 443 |
> |
extern int |
| 444 |
> |
dev_input(void) /* get X11 input */ |
| 445 |
|
{ |
| 446 |
|
inpresflags = 0; |
| 447 |
|
|
| 456 |
|
} |
| 457 |
|
|
| 458 |
|
|
| 459 |
< |
dev_value(c, d, p) /* add a pixel value to our texture */ |
| 460 |
< |
COLR c; |
| 461 |
< |
FVECT d, p; |
| 459 |
> |
extern void |
| 460 |
> |
dev_value( /* add a pixel value to our texture */ |
| 461 |
> |
COLR c, |
| 462 |
> |
FVECT d, |
| 463 |
> |
FVECT p |
| 464 |
> |
) |
| 465 |
|
{ |
| 466 |
|
#ifdef DOBJ |
| 467 |
|
if (dobj_lightsamp != NULL) { /* in light source sampling */ |
| 475 |
|
} |
| 476 |
|
|
| 477 |
|
|
| 478 |
< |
int |
| 479 |
< |
dev_flush() /* flush output as appropriate */ |
| 478 |
> |
extern int |
| 479 |
> |
dev_flush(void) /* flush output as appropriate */ |
| 480 |
|
{ |
| 481 |
|
int ndrawn; |
| 482 |
|
|
| 522 |
|
} |
| 523 |
|
|
| 524 |
|
|
| 525 |
< |
checkglerr(where) /* check for GL or GLU error */ |
| 526 |
< |
char *where; |
| 525 |
> |
static void |
| 526 |
> |
checkglerr( /* check for GL or GLU error */ |
| 527 |
> |
char *where |
| 528 |
> |
) |
| 529 |
|
{ |
| 530 |
|
register GLenum errcode; |
| 531 |
|
|
| 537 |
|
} |
| 538 |
|
|
| 539 |
|
|
| 540 |
< |
static |
| 541 |
< |
xferdepth() /* load and clear depth buffer */ |
| 540 |
> |
static void |
| 541 |
> |
xferdepth(void) /* load and clear depth buffer */ |
| 542 |
|
{ |
| 543 |
|
register GLfloat *dbp; |
| 544 |
|
register GLubyte *pbuf; |
| 554 |
|
} |
| 555 |
|
/* allocate alpha buffer for portals */ |
| 556 |
|
if (gmPortals) |
| 557 |
< |
pbuf = (GLubyte *)malloc(odev.hres*odev.vres * |
| 506 |
< |
(4*sizeof(GLubyte))); |
| 557 |
> |
pbuf = (GLubyte *)malloc(odev.hres*odev.vres*sizeof(GLubyte)); |
| 558 |
|
else |
| 559 |
|
pbuf = NULL; |
| 560 |
|
#ifdef STEREO |
| 561 |
< |
setstereobuf(STEREO_BUFFER_RIGHT); |
| 561 |
> |
pushright(); |
| 562 |
|
glReadPixels(0, 0, odev.hres, odev.vres, |
| 563 |
|
GL_DEPTH_COMPONENT, GL_FLOAT, depthright); |
| 564 |
|
if (pbuf != NULL) { |
| 565 |
|
glClear(GL_COLOR_BUFFER_BIT); |
| 566 |
|
gmDrawPortals(0xff, -1, -1, -1); |
| 567 |
|
glReadPixels(0, 0, odev.hres, odev.vres, |
| 568 |
< |
GL_RGBA, GL_UNSIGNED_BYTE, pbuf); |
| 568 |
> |
GL_RED, GL_UNSIGNED_BYTE, pbuf); |
| 569 |
|
} |
| 570 |
|
for (dbp = depthright + odev.hres*odev.vres; dbp-- > depthright; ) |
| 571 |
< |
if (pbuf != NULL && pbuf[4*(dbp-depthright)]&0x40) |
| 571 |
> |
if (pbuf != NULL && pbuf[dbp-depthright]&0x40) |
| 572 |
|
*dbp = FHUGE; |
| 573 |
|
else |
| 574 |
|
*dbp = mapdepth(*dbp); |
| 575 |
|
glClear(GL_DEPTH_BUFFER_BIT); |
| 525 |
– |
setstereobuf(STEREO_BUFFER_LEFT); |
| 576 |
|
odDepthMap(1, depthright); |
| 577 |
+ |
popright(); |
| 578 |
|
#endif |
| 579 |
|
/* read back depth buffer */ |
| 580 |
|
glReadPixels(0, 0, odev.hres, odev.vres, |
| 583 |
|
glClear(GL_COLOR_BUFFER_BIT); /* find portals */ |
| 584 |
|
gmDrawPortals(0xff, -1, -1, -1); |
| 585 |
|
glReadPixels(0, 0, odev.hres, odev.vres, |
| 586 |
< |
GL_RGBA, GL_UNSIGNED_BYTE, pbuf); |
| 586 |
> |
GL_RED, GL_UNSIGNED_BYTE, pbuf); |
| 587 |
> |
#ifdef DEBUG |
| 588 |
> |
glXSwapBuffers(ourdisplay, gwind); |
| 589 |
> |
#endif |
| 590 |
|
} |
| 591 |
|
for (dbp = depthbuffer + odev.hres*odev.vres; dbp-- > depthbuffer; ) |
| 592 |
< |
if (pbuf != NULL && pbuf[4*(dbp-depthbuffer)]&0x40) |
| 592 |
> |
if (pbuf != NULL && pbuf[dbp-depthbuffer]&0x40) |
| 593 |
|
*dbp = FHUGE; |
| 594 |
|
else |
| 595 |
|
*dbp = mapdepth(*dbp); |
| 596 |
|
glClear(GL_DEPTH_BUFFER_BIT); /* clear system depth buffer */ |
| 597 |
|
odDepthMap(0, depthbuffer); /* transfer depth data */ |
| 598 |
|
if (pbuf != NULL) |
| 599 |
< |
free((char *)pbuf); /* free our portal buffer */ |
| 599 |
> |
free((void *)pbuf); /* free our portal buffer */ |
| 600 |
|
} |
| 601 |
|
|
| 602 |
|
|
| 603 |
< |
static |
| 604 |
< |
freedepth() /* free recorded depth buffer */ |
| 603 |
> |
static void |
| 604 |
> |
freedepth(void) /* free recorded depth buffer */ |
| 605 |
|
{ |
| 606 |
|
if (depthbuffer == NULL) |
| 607 |
|
return; |
| 608 |
|
#ifdef STEREO |
| 609 |
|
odDepthMap(1, NULL); |
| 610 |
< |
free((char *)depthright); |
| 610 |
> |
free((void *)depthright); |
| 611 |
|
depthright = NULL; |
| 612 |
|
#endif |
| 613 |
|
odDepthMap(0, NULL); |
| 614 |
< |
free((char *)depthbuffer); |
| 614 |
> |
free((void *)depthbuffer); |
| 615 |
|
depthbuffer = NULL; |
| 616 |
|
} |
| 617 |
|
|
| 618 |
|
|
| 619 |
|
static double |
| 620 |
< |
getdistance(dx, dy, direc) /* distance from fore plane along view ray */ |
| 621 |
< |
int dx, dy; |
| 622 |
< |
FVECT direc; |
| 620 |
> |
getdistance( /* distance from fore plane along view ray */ |
| 621 |
> |
int dx, |
| 622 |
> |
int dy, |
| 623 |
> |
FVECT direc |
| 624 |
> |
) |
| 625 |
|
{ |
| 626 |
|
GLfloat gldepth; |
| 627 |
|
double dist; |
| 628 |
|
|
| 629 |
< |
if (dx<0 | dx>=odev.hres | dy<0 | dy>=odev.vres) |
| 629 |
> |
if ((dx<0) | (dx>=odev.hres) | (dy<0) | (dy>=odev.vres)) |
| 630 |
|
return(FHUGE); |
| 631 |
|
if (depthbuffer != NULL) |
| 632 |
|
dist = depthbuffer[dy*odev.hres + dx]; |
| 633 |
|
else { |
| 634 |
|
glReadPixels(dx,dy, 1,1, GL_DEPTH_COMPONENT, |
| 635 |
|
GL_FLOAT, &gldepth); |
| 636 |
+ |
if (gldepth <= FTINY) |
| 637 |
+ |
return (FHUGE); /* call failed */ |
| 638 |
|
dist = mapdepth(gldepth); |
| 639 |
|
} |
| 640 |
|
if (dist >= .99*FHUGE) |
| 644 |
|
|
| 645 |
|
|
| 646 |
|
#ifdef STEREO |
| 647 |
< |
static |
| 648 |
< |
pushright() /* push on right view & buffer */ |
| 647 |
> |
static void |
| 648 |
> |
pushright(void) /* push on right view & buffer */ |
| 649 |
|
{ |
| 650 |
|
double d; |
| 651 |
|
|
| 661 |
|
} |
| 662 |
|
|
| 663 |
|
|
| 664 |
< |
static |
| 665 |
< |
popright() /* pop off right view & buffer */ |
| 664 |
> |
static void |
| 665 |
> |
popright(void) /* pop off right view & buffer */ |
| 666 |
|
{ |
| 667 |
|
if (viewflags & VWPERSP) { |
| 668 |
|
glMatrixMode(GL_MODELVIEW); |
| 674 |
|
|
| 675 |
|
|
| 676 |
|
static int |
| 677 |
< |
mytmflags() /* figure out tone mapping flags */ |
| 677 |
> |
mytmflags(void) /* figure out tone mapping flags */ |
| 678 |
|
{ |
| 679 |
|
extern char *progname; |
| 680 |
|
register char *cp, *tail; |
| 698 |
|
} |
| 699 |
|
|
| 700 |
|
|
| 701 |
< |
static |
| 702 |
< |
getevent() /* get next event */ |
| 701 |
> |
static void |
| 702 |
> |
getevent(void) /* get next event */ |
| 703 |
|
{ |
| 704 |
|
XNextEvent(ourdisplay, levptr(XEvent)); |
| 705 |
|
switch (levptr(XEvent)->type) { |
| 729 |
|
} |
| 730 |
|
|
| 731 |
|
|
| 732 |
< |
static |
| 733 |
< |
draw3dline(wp) /* draw 3d line in world coordinates */ |
| 734 |
< |
register FVECT wp[2]; |
| 732 |
> |
static void |
| 733 |
> |
draw3dline( /* draw 3d line in world coordinates */ |
| 734 |
> |
register FVECT wp[2] |
| 735 |
> |
) |
| 736 |
|
{ |
| 737 |
|
glVertex3d(wp[0][0], wp[0][1], wp[0][2]); |
| 738 |
|
glVertex3d(wp[1][0], wp[1][1], wp[1][2]); |
| 739 |
|
} |
| 740 |
|
|
| 741 |
|
|
| 742 |
< |
static |
| 743 |
< |
draw_grids(fore) /* draw holodeck section grids */ |
| 744 |
< |
int fore; |
| 742 |
> |
static void |
| 743 |
> |
draw_grids( /* draw holodeck section grids */ |
| 744 |
> |
int fore |
| 745 |
> |
) |
| 746 |
|
{ |
| 747 |
|
glPushAttrib(GL_LIGHTING_BIT|GL_ENABLE_BIT); |
| 748 |
|
glDisable(GL_LIGHTING); |
| 758 |
|
} |
| 759 |
|
|
| 760 |
|
|
| 761 |
< |
static |
| 762 |
< |
moveview(dx, dy, mov, orb) /* move our view */ |
| 763 |
< |
int dx, dy, mov, orb; |
| 761 |
> |
static int |
| 762 |
> |
moveview( /* move our view */ |
| 763 |
> |
int dx, |
| 764 |
> |
int dy, |
| 765 |
> |
int mov, |
| 766 |
> |
int orb |
| 767 |
> |
) |
| 768 |
|
{ |
| 769 |
|
VIEW nv; |
| 770 |
|
FVECT odir, v1, wip; |
| 771 |
< |
double d, d1; |
| 772 |
< |
register int li; |
| 771 |
> |
double d; |
| 772 |
> |
#ifdef DOBJ |
| 773 |
> |
double d1; |
| 774 |
> |
#endif |
| 775 |
|
/* start with old view */ |
| 776 |
< |
copystruct(&nv, &odev.v); |
| 776 |
> |
nv = odev.v; |
| 777 |
|
/* orient our motion */ |
| 778 |
|
if (viewray(v1, odir, &odev.v, |
| 779 |
|
(dx+.5)/odev.hres, (dy+.5)/odev.vres) < -FTINY) |
| 819 |
|
} |
| 820 |
|
|
| 821 |
|
|
| 822 |
< |
static |
| 823 |
< |
getframe(ebut) /* get focus frame */ |
| 824 |
< |
XButtonPressedEvent *ebut; |
| 822 |
> |
static void |
| 823 |
> |
getframe( /* get focus frame */ |
| 824 |
> |
XButtonPressedEvent *ebut |
| 825 |
> |
) |
| 826 |
|
{ |
| 827 |
|
int startx = ebut->x, starty = ebut->y; |
| 828 |
< |
int endx, endy; |
| 829 |
< |
|
| 828 |
> |
int endx, endy, midx, midy; |
| 829 |
> |
FVECT odir, v1; |
| 830 |
> |
double d; |
| 831 |
> |
#ifdef DOBJ |
| 832 |
> |
double d1; |
| 833 |
> |
#endif |
| 834 |
> |
/* get mouse drag */ |
| 835 |
|
XMaskEvent(ourdisplay, ButtonReleaseMask, levptr(XEvent)); |
| 836 |
|
endx = levptr(XButtonReleasedEvent)->x; |
| 837 |
|
endy = levptr(XButtonReleasedEvent)->y; |
| 838 |
< |
if (endx == startx | endy == starty) { |
| 839 |
< |
XBell(ourdisplay, 0); |
| 838 |
> |
midx = (startx + endx) >> 1; |
| 839 |
> |
midy = (starty + endy) >> 1; |
| 840 |
> |
/* set focus distance */ |
| 841 |
> |
if (viewray(v1, odir, &odev.v, |
| 842 |
> |
(midx+.5)/odev.hres, (midy+.5)/odev.vres) < -FTINY) |
| 843 |
|
return; |
| 844 |
< |
} |
| 844 |
> |
d = getdistance(midx, midy, odir); /* distance from front plane */ |
| 845 |
> |
#ifdef DOBJ |
| 846 |
> |
d1 = dobj_trace(NULL, v1, odir); |
| 847 |
> |
if (d1 < d) |
| 848 |
> |
d = d1; |
| 849 |
> |
#endif |
| 850 |
> |
if (d < .99*FHUGE) |
| 851 |
> |
odev.v.vdist = d + sqrt(dist2(v1, odev.v.vp)); |
| 852 |
> |
/* set frame for rendering */ |
| 853 |
> |
if ((endx == startx) | (endy == starty)) |
| 854 |
> |
return; |
| 855 |
|
if (endx < startx) {register int c = endx; endx = startx; startx = c;} |
| 856 |
|
if (endy < starty) {register int c = endy; endy = starty; starty = c;} |
| 857 |
|
sprintf(odev_args, "%.3f %.3f %.3f %.3f", |
| 861 |
|
} |
| 862 |
|
|
| 863 |
|
|
| 864 |
< |
static |
| 865 |
< |
getmove(ebut) /* get view change */ |
| 781 |
< |
XButtonPressedEvent *ebut; |
| 864 |
> |
static void |
| 865 |
> |
waitabit(void) /* pause a moment */ |
| 866 |
|
{ |
| 867 |
+ |
struct timespec ts; |
| 868 |
+ |
ts.tv_sec = 0; |
| 869 |
+ |
ts.tv_nsec = 100000000L; |
| 870 |
+ |
nanosleep(&ts, NULL); |
| 871 |
+ |
} |
| 872 |
+ |
|
| 873 |
+ |
|
| 874 |
+ |
static void |
| 875 |
+ |
getmove( /* get view change */ |
| 876 |
+ |
XButtonPressedEvent *ebut |
| 877 |
+ |
) |
| 878 |
+ |
{ |
| 879 |
|
int movdir = MOVDIR(ebut->button); |
| 880 |
|
int movorb = MOVORB(ebut->state); |
| 881 |
|
int ndrawn; |
| 886 |
|
XNoOp(ourdisplay); /* makes sure we're not idle */ |
| 887 |
|
|
| 888 |
|
viewflags &= ~VWSTEADY; /* flag moving view */ |
| 889 |
< |
setglpersp(&odev.v); /* start us off in perspective */ |
| 889 |
> |
setglpersp(); /* start us off in perspective */ |
| 890 |
|
while (!XCheckMaskEvent(ourdisplay, |
| 891 |
|
ButtonReleaseMask, levptr(XEvent))) { |
| 892 |
+ |
/* pause so as not to move too fast */ |
| 893 |
+ |
waitabit(); |
| 894 |
|
/* get cursor position */ |
| 895 |
|
if (!XQueryPointer(ourdisplay, gwind, &rootw, &childw, |
| 896 |
|
&rootx, &rooty, &wx, &wy, &statemask)) |
| 929 |
|
} |
| 930 |
|
|
| 931 |
|
|
| 932 |
< |
static |
| 933 |
< |
setglpersp(vp) /* set perspective view in GL */ |
| 836 |
< |
register VIEW *vp; |
| 932 |
> |
static void |
| 933 |
> |
setglpersp(void) /* set perspective view in GL */ |
| 934 |
|
{ |
| 935 |
|
double d, xmin, xmax, ymin, ymax; |
| 936 |
|
GLfloat vec[4]; |
| 942 |
|
dev_zmax = 100.; |
| 943 |
|
} else { |
| 944 |
|
dev_zmin = 0.5*depthlim[0]; |
| 945 |
< |
dev_zmax = 1.75*depthlim[1]; |
| 945 |
> |
dev_zmax = 1.25*depthlim[1]; |
| 946 |
|
if (dev_zmin > dev_zmax/5.) |
| 947 |
|
dev_zmin = dev_zmax/5.; |
| 948 |
|
} |
| 950 |
|
dev_zmin = odev.v.vfore; |
| 951 |
|
if (odev.v.vaft > FTINY) |
| 952 |
|
dev_zmax = odev.v.vaft; |
| 953 |
< |
if (dev_zmin < dev_zmax/100.) |
| 954 |
< |
dev_zmin = dev_zmax/100.; |
| 953 |
> |
if (dev_zmin*500. < dev_zmax) |
| 954 |
> |
dev_zmin = dev_zmax/500.; |
| 955 |
|
setzrat(); |
| 956 |
|
xmax = dev_zmin * tan(PI/180./2. * odev.v.horiz); |
| 957 |
|
xmin = -xmax; |
| 991 |
|
} |
| 992 |
|
|
| 993 |
|
|
| 994 |
< |
static |
| 995 |
< |
setglortho() /* set up orthographic view for cone drawing */ |
| 994 |
> |
static void |
| 995 |
> |
setglortho(void) /* set up orthographic view for cone drawing */ |
| 996 |
|
{ |
| 997 |
|
glDrawBuffer(GL_FRONT); /* use single-buffer mode */ |
| 998 |
|
/* set view matrix */ |
| 1008 |
|
} |
| 1009 |
|
|
| 1010 |
|
|
| 1011 |
< |
static |
| 1012 |
< |
wipeclean() /* prepare for redraw */ |
| 1011 |
> |
static void |
| 1012 |
> |
wipeclean(void) /* prepare for redraw */ |
| 1013 |
|
{ |
| 1014 |
|
glDrawBuffer(GL_BACK); /* use double-buffer mode */ |
| 1015 |
|
glReadBuffer(GL_BACK); |
| 1025 |
|
(VWCHANGE|VWSTEADY)) { /* clear samples if new */ |
| 1026 |
|
odClean(); |
| 1027 |
|
viewflags &= ~VWCHANGE; /* change noted */ |
| 1028 |
< |
} |
| 1029 |
< |
setglpersp(&odev.v); /* reset view & clipping planes */ |
| 1028 |
> |
} else if (viewflags & VWSTEADY) |
| 1029 |
> |
odRedrawAll(); |
| 1030 |
> |
setglpersp(); /* reset view & clipping planes */ |
| 1031 |
|
} |
| 1032 |
|
|
| 1033 |
|
|
| 1034 |
< |
static |
| 1035 |
< |
getkey(ekey) /* get input key */ |
| 1036 |
< |
register XKeyPressedEvent *ekey; |
| 1034 |
> |
static void |
| 1035 |
> |
getkey( /* get input key */ |
| 1036 |
> |
register XKeyPressedEvent *ekey |
| 1037 |
> |
) |
| 1038 |
|
{ |
| 1039 |
|
Window rootw, childw; |
| 1040 |
|
int rootx, rooty, wx, wy; |
| 1078 |
|
inpresflags |= DFL(DC_RESUME); |
| 1079 |
|
return; |
| 1080 |
|
case CTRL('R'): /* redraw screen */ |
| 1081 |
< |
odRemap(0); |
| 1081 |
> |
odRemap(0); /* new tone mapping */ |
| 1082 |
|
glClear(GL_DEPTH_BUFFER_BIT); |
| 1083 |
|
#ifdef STEREO |
| 1084 |
|
setstereobuf(STEREO_BUFFER_RIGHT); |
| 1088 |
|
return; |
| 1089 |
|
case CTRL('L'): /* refresh from server */ |
| 1090 |
|
if (inpresflags & DFL(DC_REDRAW)) |
| 1091 |
< |
return; |
| 1091 |
> |
return; /* already called */ |
| 1092 |
|
XRaiseWindow(ourdisplay, gwind); |
| 1093 |
< |
XFlush(ourdisplay); |
| 1094 |
< |
sleep(1); |
| 1095 |
< |
wipeclean(); /* fresh display */ |
| 1096 |
< |
odRemap(1); /* fresh tone mapping */ |
| 998 |
< |
dev_flush(); /* draw octrees */ |
| 1093 |
> |
XFlush(ourdisplay); /* raise up window */ |
| 1094 |
> |
sleep(1); /* wait for restacking */ |
| 1095 |
> |
dev_clear(); /* clear buffer and samples */ |
| 1096 |
> |
odRemap(1); /* start fresh histogram */ |
| 1097 |
|
inpresflags |= DFL(DC_REDRAW); /* resend values from server */ |
| 1000 |
– |
rayqleft = 0; /* hold off update */ |
| 1098 |
|
return; |
| 1099 |
|
case 'K': /* kill rtrace process(es) */ |
| 1100 |
|
inpresflags |= DFL(DC_KILL); |
| 1115 |
|
} |
| 1116 |
|
|
| 1117 |
|
|
| 1118 |
< |
static |
| 1119 |
< |
fixwindow(eexp) /* repair damage to window */ |
| 1120 |
< |
register XExposeEvent *eexp; |
| 1118 |
> |
static void |
| 1119 |
> |
fixwindow( /* repair damage to window */ |
| 1120 |
> |
register XExposeEvent *eexp |
| 1121 |
> |
) |
| 1122 |
|
{ |
| 1123 |
|
int xmin, ymin, xmax, ymax; |
| 1124 |
|
|
| 1125 |
< |
if (odev.hres == 0 | odev.vres == 0) { /* first exposure */ |
| 1125 |
> |
if ((odev.hres == 0) | (odev.vres == 0)) { /* first exposure */ |
| 1126 |
|
resizewindow((XConfigureEvent *)eexp); |
| 1127 |
|
return; |
| 1128 |
|
} |
| 1129 |
|
xmin = eexp->x; xmax = eexp->x + eexp->width; |
| 1130 |
|
ymin = odev.vres - eexp->y - eexp->height; ymax = odev.vres - eexp->y; |
| 1131 |
+ |
|
| 1132 |
+ |
if (xmin <= 0 && xmax >= odev.hres-1 && |
| 1133 |
+ |
ymin <= 0 && ymax >= odev.vres) { |
| 1134 |
+ |
DCHECK(eexp->count, WARNING, "multiple clear in fixwindow"); |
| 1135 |
+ |
wipeclean(); /* make sure we're go */ |
| 1136 |
+ |
return; |
| 1137 |
+ |
} |
| 1138 |
|
/* clear portion of depth */ |
| 1139 |
|
glPushAttrib(GL_DEPTH_BUFFER_BIT|GL_COLOR_BUFFER_BIT); |
| 1140 |
|
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); |
| 1161 |
|
} |
| 1162 |
|
|
| 1163 |
|
|
| 1164 |
< |
static |
| 1165 |
< |
resizewindow(ersz) /* resize window */ |
| 1166 |
< |
register XConfigureEvent *ersz; |
| 1164 |
> |
static void |
| 1165 |
> |
resizewindow( /* resize window */ |
| 1166 |
> |
register XConfigureEvent *ersz |
| 1167 |
> |
) |
| 1168 |
|
{ |
| 1169 |
|
glViewport(0, 0, ersz->width, ersz->height); |
| 1170 |
|
|