Major update, been neglecting CVS for some time...
[divverent/darkplaces.git] / vid_glx.c
1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12
13 See the GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18 */
19
20 #include <termios.h>
21 #include <sys/ioctl.h>
22 #include <sys/stat.h>
23 #include <sys/vt.h>
24 #include <stdarg.h>
25 #include <stdio.h>
26 #include <signal.h>
27
28 #include <dlfcn.h>
29
30 #include "quakedef.h"
31
32 #include <GL/glx.h>
33
34 #include <X11/keysym.h>
35 #include <X11/cursorfont.h>
36
37 #include <X11/extensions/XShm.h>
38 #include <X11/extensions/xf86dga.h>
39 #include <X11/extensions/xf86vmode.h>
40
41 static Display *dpy = NULL;
42 static int scrnum;
43 static Window win;
44 static GLXContext ctx = NULL;
45
46 #define KEY_MASK (KeyPressMask | KeyReleaseMask)
47 #define MOUSE_MASK (ButtonPressMask | ButtonReleaseMask | \
48                     PointerMotionMask | ButtonMotionMask )
49 #define X_MASK (KEY_MASK | MOUSE_MASK | VisibilityChangeMask | StructureNotifyMask )
50
51
52 viddef_t        vid;                            // global video state
53
54 static qboolean         mouse_avail = true;
55 static qboolean         mouse_active = false, usingmouse = false;
56 // static qboolean              dga_active;
57 static float    mouse_x, mouse_y;
58 static float    old_mouse_x, old_mouse_y;
59 static int p_mouse_x, p_mouse_y;
60
61 cvar_t vid_dga = {"vid_dga", "1", true};
62 cvar_t vid_dga_mouseaccel = {"vid_dga_mouseaccel", "1", false};
63 cvar_t m_filter = {"m_filter", "0"};
64
65 qboolean vidmode_ext = false;
66
67 static int win_x, win_y;
68
69 static int scr_width, scr_height;
70
71 static XF86VidModeModeInfo **vidmodes;
72 //static int default_dotclock_vidmode;
73 static int num_vidmodes;
74 static qboolean vidmode_active = false;
75
76 /*-----------------------------------------------------------------------*/
77
78 float           gldepthmin, gldepthmax;
79
80 const char *gl_vendor;
81 const char *gl_renderer;
82 const char *gl_version;
83 const char *gl_extensions;
84
85 /*-----------------------------------------------------------------------*/
86 static int
87 XLateKey(XKeyEvent *ev/*, qboolean modified*/)
88 {
89 //      char tmp[2];
90         int key = 0;
91         KeySym keysym;
92
93         keysym = XLookupKeysym(ev, 0);
94
95         switch(keysym)
96         {
97                 case XK_KP_Page_Up:     key = KP_PGUP; break;
98                 case XK_Page_Up:        key = K_PGUP; break;
99
100                 case XK_KP_Page_Down:   key = KP_PGDN; break;
101                 case XK_Page_Down:      key = K_PGDN; break;
102
103                 case XK_KP_Home:        key = KP_HOME; break;
104                 case XK_Home:           key = K_HOME; break;
105
106                 case XK_KP_End:         key = KP_END; break;
107                 case XK_End:            key = K_END; break;
108
109                 case XK_KP_Left:        key = KP_LEFTARROW; break;
110                 case XK_Left:           key = K_LEFTARROW; break;
111
112                 case XK_KP_Right:       key = KP_RIGHTARROW; break;
113                 case XK_Right:          key = K_RIGHTARROW; break;
114
115                 case XK_KP_Down:        key = KP_DOWNARROW; break;
116                 case XK_Down:           key = K_DOWNARROW; break;
117
118                 case XK_KP_Up:          key = KP_UPARROW; break;
119                 case XK_Up:                     key = K_UPARROW; break;
120
121                 case XK_Escape:         key = K_ESCAPE; break;
122
123                 case XK_KP_Enter:       key = KP_ENTER; break;
124                 case XK_Return:         key = K_ENTER; break;
125
126                 case XK_Tab:            key = K_TAB; break;
127
128                 case XK_F1:                     key = K_F1; break;
129                 case XK_F2:                     key = K_F2; break;
130                 case XK_F3:                     key = K_F3; break;
131                 case XK_F4:                     key = K_F4; break;
132                 case XK_F5:                     key = K_F5; break;
133                 case XK_F6:                     key = K_F6; break;
134                 case XK_F7:                     key = K_F7; break;
135                 case XK_F8:                     key = K_F8; break;
136                 case XK_F9:                     key = K_F9; break;
137                 case XK_F10:            key = K_F10; break;
138                 case XK_F11:            key = K_F11; break;
139                 case XK_F12:            key = K_F12; break;
140
141                 case XK_BackSpace:      key = K_BACKSPACE; break;
142
143                 case XK_KP_Delete:      key = KP_DEL; break;
144                 case XK_Delete:         key = K_DEL; break;
145
146                 case XK_Pause:          key = K_PAUSE; break;
147
148                 case XK_Shift_L:
149                 case XK_Shift_R:        key = K_SHIFT; break;
150
151                 case XK_Execute:
152                 case XK_Control_L:
153                 case XK_Control_R:      key = K_CTRL; break;
154
155                 case XK_Mode_switch:
156                 case XK_Alt_L:
157                 case XK_Meta_L:
158                 case XK_Alt_R:
159                 case XK_Meta_R:         key = K_ALT; break;
160
161                 case XK_Caps_Lock:      key = K_CAPSLOCK; break;
162                 case XK_KP_Begin:       key = KP_5; break;
163
164                 case XK_Insert:         key = K_INS; break;
165                 case XK_KP_Insert:      key = KP_INS; break;
166
167                 case XK_KP_Multiply:    key = KP_MULTIPLY; break;
168                 case XK_KP_Add:         key = KP_PLUS; break;
169                 case XK_KP_Subtract:    key = KP_MINUS; break;
170                 case XK_KP_Divide:      key = KP_DIVIDE; break;
171
172                 /* For Sun keyboards */
173                 case XK_F27:            key = K_HOME; break;
174                 case XK_F29:            key = K_PGUP; break;
175                 case XK_F33:            key = K_END; break;
176                 case XK_F35:            key = K_PGDN; break;
177
178                 default:
179                         if (keysym < 128)
180                         {
181                                 /* ASCII keys */
182                                 key = keysym;
183                                 if (/*!modified && */((key >= 'A') && (key <= 'Z')))
184                                         key = key + ('a' - 'A');
185                         }
186                         break;
187         }
188
189         return key;
190 }
191
192 static Cursor CreateNullCursor(Display *display, Window root)
193 {
194         Pixmap cursormask;
195         XGCValues xgc;
196         GC gc;
197         XColor dummycolour;
198         Cursor cursor;
199
200         cursormask = XCreatePixmap(display, root, 1, 1, 1/*depth*/);
201         xgc.function = GXclear;
202         gc =  XCreateGC(display, cursormask, GCFunction, &xgc);
203         XFillRectangle(display, cursormask, gc, 0, 0, 1, 1);
204         dummycolour.pixel = 0;
205         dummycolour.red = 0;
206         dummycolour.flags = 04;
207         cursor = XCreatePixmapCursor(display, cursormask, cursormask, &dummycolour,&dummycolour, 0,0);
208         XFreePixmap(display,cursormask);
209         XFreeGC(display,gc);
210         return cursor;
211 }
212
213 static void install_grabs(void)
214 {
215         XWindowAttributes attribs_1;
216         XSetWindowAttributes attribs_2;
217
218         XGetWindowAttributes(dpy, win, &attribs_1);
219         attribs_2.event_mask = attribs_1.your_event_mask | KEY_MASK | MOUSE_MASK;
220         XChangeWindowAttributes(dpy, win, CWEventMask, &attribs_2);
221
222 // inviso cursor
223         XDefineCursor(dpy, win, CreateNullCursor(dpy, win));
224
225         XGrabPointer(dpy, win,  True, 0, GrabModeAsync, GrabModeAsync, win, None, CurrentTime);
226
227         if (vid_dga.value)
228         {
229                 int MajorVersion, MinorVersion;
230
231                 if (!XF86DGAQueryVersion(dpy, &MajorVersion, &MinorVersion))
232                 {
233                         // unable to query, probalby not supported
234                         Con_Printf( "Failed to detect XF86DGA Mouse\n" );
235                         vid_dga.value = 0;
236                 }
237                 else
238                 {
239                         vid_dga.value = 1;
240                         XF86DGADirectVideo(dpy, DefaultScreen(dpy), XF86DGADirectMouse);
241                         XWarpPointer(dpy, None, win, 0, 0, 0, 0, 0, 0);
242                 }
243         }
244         else
245                 XWarpPointer(dpy, None, win, 0, 0, 0, 0, vid.width / 2, vid.height / 2);
246
247         XGrabKeyboard(dpy, win, False, GrabModeAsync, GrabModeAsync, CurrentTime);
248
249         mouse_active = true;
250         mouse_x = mouse_y = 0;
251
252 //      XSync(dpy, True);
253 }
254
255 static void uninstall_grabs(void)
256 {
257         if (!dpy || !win)
258                 return;
259
260         if (vid_dga.value == 1)
261                 XF86DGADirectVideo(dpy, DefaultScreen(dpy), 0);
262
263         XUngrabPointer(dpy, CurrentTime);
264         XUngrabKeyboard(dpy, CurrentTime);
265
266 // inviso cursor
267         XUndefineCursor(dpy, win);
268
269         mouse_active = false;
270 }
271
272 static void HandleEvents(void)
273 {
274         XEvent event;
275 //      KeySym ks;
276         qboolean dowarp = false;
277
278         if (!dpy)
279                 return;
280
281         while (XPending(dpy))
282         {
283                 XNextEvent(dpy, &event);
284
285                 switch (event.type)
286                 {
287                 case KeyPress:
288                 case KeyRelease:
289                         Key_Event(XLateKey(&event.xkey), event.type == KeyPress);
290                         break;
291
292                 case MotionNotify:
293                         if (usingmouse)
294                         {
295                                 if (vid_dga.value == 1)
296                                 {
297                                         mouse_x += event.xmotion.x_root * vid_dga_mouseaccel.value;
298                                         mouse_y += event.xmotion.y_root * vid_dga_mouseaccel.value;
299                                 }
300                                 else
301                                 {
302                                         /*
303                                         if (!p_mouse_x && !p_mouse_y)
304                                         {
305                                                 Con_Printf("event->xmotion.x: %d\n", event.xmotion.x);
306                                                 Con_Printf("event->xmotion.y: %d\n", event.xmotion.y);
307                                         }
308                                         */
309                                         //if (usingmouse)
310                                         {
311                                                 if (!event.xmotion.send_event)
312                                                 {
313                                                         mouse_x += (event.xmotion.x - p_mouse_x);
314                                                         mouse_y += (event.xmotion.y - p_mouse_y);
315                                                         if (abs(vid.width/2 - event.xmotion.x) > vid.width / 4 || abs(vid.height/2 - event.xmotion.y) > vid.height / 4)
316                                                                 dowarp = true;
317                                                 }
318                                         }
319                                         /*
320                                         else
321                                         {
322                                                 mouse_x += (event.xmotion.x - p_mouse_x);
323                                                 mouse_y += (event.xmotion.y - p_mouse_y);
324                                         }
325                                         */
326                                         p_mouse_x = event.xmotion.x;
327                                         p_mouse_y = event.xmotion.y;
328                                 }
329                         }
330                         break;
331
332                 case ButtonPress:
333                         switch(event.xbutton.button)
334                         {
335                         case 1:
336                                 Key_Event(K_MOUSE1, true);
337                                 break;
338                         case 2:
339                                 Key_Event(K_MOUSE3, true);
340                                 break;
341                         case 3:
342                                 Key_Event(K_MOUSE2, true);
343                                 break;
344                         case 4:
345                                 Key_Event(K_MWHEELUP, true);
346                                 break;
347                         case 5:
348                                 Key_Event(K_MWHEELDOWN, true);
349                                 break;
350                 default:
351                                 Con_Printf("HandleEvents: ButtonPress gave value %d, 1-5 expected\n", event.xbutton.button);
352                                 break;
353                         }
354                         break;
355
356                 case ButtonRelease:
357                         switch(event.xbutton.button)
358                         {
359                         case 1:
360                                 Key_Event(K_MOUSE1, false);
361                                 break;
362                         case 2:
363                                 Key_Event(K_MOUSE3, false);
364                                 break;
365                         case 3:
366                                 Key_Event(K_MOUSE2, false);
367                                 break;
368                         case 4:
369                                 Key_Event(K_MWHEELUP, false);
370                                 break;
371                         case 5:
372                                 Key_Event(K_MWHEELDOWN, false);
373                                 break;
374                 default:
375                                 Con_Printf("HandleEvents: ButtonRelease gave value %d, 1-5 expected\n", event.xbutton.button);
376                                 break;
377                         }
378                         break;
379
380                 case CreateNotify :
381                         win_x = event.xcreatewindow.x;
382                         win_y = event.xcreatewindow.y;
383                         break;
384
385                 case ConfigureNotify :
386                         win_x = event.xconfigure.x;
387                         win_y = event.xconfigure.y;
388                         break;
389                 }
390         }
391
392         if (dowarp)
393         {
394                 /* move the mouse to the window center again */
395                 p_mouse_x = vid.width / 2;
396                 p_mouse_y = vid.height / 2;
397                 XWarpPointer(dpy, None, win, 0, 0, 0, 0, p_mouse_x, p_mouse_y);
398         }
399
400 }
401
402 static void IN_DeactivateMouse( void )
403 {
404         if (!mouse_avail || !dpy || !win)
405                 return;
406
407         if (mouse_active)
408         {
409                 uninstall_grabs();
410                 mouse_active = false;
411         }
412 }
413
414 static void IN_ActivateMouse( void )
415 {
416         if (!mouse_avail || !dpy || !win)
417                 return;
418
419         if (!mouse_active)
420         {
421                 mouse_x = mouse_y = 0; // don't spazz
422                 install_grabs();
423                 mouse_active = true;
424         }
425 }
426
427
428 void VID_Shutdown(void)
429 {
430         if (!ctx || !dpy)
431                 return;
432
433         if (dpy)
434         {
435                 uninstall_grabs();
436
437                 if (vidmode_active)
438                         XF86VidModeSwitchToMode(dpy, scrnum, vidmodes[0]);
439 /* Disabled, causes a segfault during shutdown.
440                 if (ctx)
441                         glXDestroyContext(dpy, ctx);
442 */
443                 if (win)
444                         XDestroyWindow(dpy, win);
445                 XCloseDisplay(dpy);
446         }
447         vidmode_active = false;
448         dpy = NULL;
449         win = 0;
450         ctx = NULL;
451 }
452
453 void signal_handler(int sig)
454 {
455         printf("Received signal %d, exiting...\n", sig);
456         Sys_Quit();
457         exit(0);
458 }
459
460 void InitSig(void)
461 {
462         signal(SIGHUP, signal_handler);
463         signal(SIGINT, signal_handler);
464         signal(SIGQUIT, signal_handler);
465         signal(SIGILL, signal_handler);
466         signal(SIGTRAP, signal_handler);
467         signal(SIGIOT, signal_handler);
468         signal(SIGBUS, signal_handler);
469         signal(SIGFPE, signal_handler);
470         signal(SIGSEGV, signal_handler);
471         signal(SIGTERM, signal_handler);
472 }
473
474 void VID_CheckMultitexture(void)
475 {
476         void *prjobj;
477         qglMTexCoord2f = NULL;
478         qglSelectTexture = NULL;
479         // Check to see if multitexture is disabled
480         if (COM_CheckParm("-nomtex"))
481         {
482                 Con_Printf("...multitexture disabled\n");
483                 return;
484         }
485         if ((prjobj = dlopen(NULL, RTLD_LAZY)) == NULL)
486         {
487                 Con_Printf("Unable to open symbol list for main program.\n");
488                 return;
489         }
490         // Test for ARB_multitexture
491         if (!COM_CheckParm("-SGISmtex") && strstr(gl_extensions, "GL_ARB_multitexture "))
492         {
493                 Con_Printf("...using GL_ARB_multitexture\n");
494                 qglMTexCoord2f = (void *) dlsym(prjobj, "glMultiTexCoord2fARB");
495                 qglSelectTexture = (void *) dlsym(prjobj, "glActiveTextureARB");
496                 gl_mtexable = true;
497                 gl_mtex_enum = GL_TEXTURE0_ARB;
498         }
499         else if (strstr(gl_extensions, "GL_SGIS_multitexture ")) // Test for SGIS_multitexture (if ARB_multitexture not found)
500         {
501                 Con_Printf("...using GL_SGIS_multitexture\n");
502                 qglMTexCoord2f = (void *) dlsym(prjobj, "glMTexCoord2fSGIS");
503                 qglSelectTexture = (void *) dlsym(prjobj, "glSelectTextureSGIS");
504                 gl_mtexable = true;
505                 gl_mtex_enum = TEXTURE0_SGIS;
506         }
507         else
508                 Con_Printf("...multitexture disabled (not detected)\n");
509         dlclose(prjobj);
510 }
511
512 void VID_CheckCVA(void)
513 {
514         void *prjobj;
515         qglLockArraysEXT = NULL;
516         qglUnlockArraysEXT = NULL;
517         gl_supportslockarrays = false;
518         if (COM_CheckParm("-nocva"))
519         {
520                 Con_Printf("...compiled vertex arrays disabled\n");
521                 return;
522         }
523         if ((prjobj = dlopen(NULL, RTLD_LAZY)) == NULL)
524         {
525                 Con_Printf("Unable to open symbol list for main program.\n");
526                 return;
527         }
528         if (strstr(gl_extensions, "GL_EXT_compiled_vertex_array"))
529         {
530                 Con_Printf("...using compiled vertex arrays\n");
531                 qglLockArraysEXT = (void *) dlsym(prjobj, "glLockArraysEXT");
532                 qglUnlockArraysEXT = (void *) dlsym(prjobj, "glUnlockArraysEXT");
533                 gl_supportslockarrays = true;
534         }
535         dlclose(prjobj);
536 }
537
538 /*
539 =================
540 GL_BeginRendering
541
542 =================
543 */
544 void GL_BeginRendering (int *x, int *y, int *width, int *height)
545 {
546         *x = *y = 0;
547         *width = scr_width;
548         *height = scr_height;
549
550 //      glViewport (*x, *y, *width, *height);
551 }
552
553
554 void GL_EndRendering (void)
555 {
556         int usemouse;
557         if (!r_render.value)
558                 return;
559         glFlush();
560         glXSwapBuffers(dpy, win);
561
562 // handle the mouse state when windowed if that's changed
563         usemouse = false;
564         if (vid_mouse.value && key_dest == key_game)
565                 usemouse = true;
566         if (vidmode_active)
567                 usemouse = true;
568         if (usemouse)
569         {
570                 if (!usingmouse)
571                 {
572                         usingmouse = true;
573                         IN_ActivateMouse ();
574                 }
575         }
576         else
577         {
578                 if (usingmouse)
579                 {
580                         usingmouse = false;
581                         IN_DeactivateMouse ();
582                 }
583         }
584 }
585
586 int VID_SetGamma(float prescale, float gamma, float scale, float base)
587 {
588         return FALSE;
589 }
590
591 void VID_Init(void)
592 {
593         int i;
594         int attrib[] =
595         {
596                 GLX_RGBA,
597                 GLX_RED_SIZE, 1,
598                 GLX_GREEN_SIZE, 1,
599                 GLX_BLUE_SIZE, 1,
600                 GLX_DOUBLEBUFFER,
601                 GLX_DEPTH_SIZE, 1,
602                 None
603         };
604 //      char    gldir[MAX_OSPATH];
605         int width = 640, height = 480;
606         XSetWindowAttributes attr;
607         unsigned long mask;
608         Window root;
609         XVisualInfo *visinfo;
610         qboolean fullscreen = true;
611         int MajorVersion, MinorVersion;
612         int actualWidth, actualHeight;
613
614         Cvar_RegisterVariable (&vid_mouse);
615         Cvar_RegisterVariable (&vid_dga);
616         Cvar_RegisterVariable (&vid_dga_mouseaccel);
617         Cvar_RegisterVariable (&m_filter);
618
619 // interpret command-line params
620
621 // set vid parameters
622         if ((i = COM_CheckParm("-window")) != 0)
623                 fullscreen = false;
624
625         if ((i = COM_CheckParm("-width")) != 0)
626                 width = atoi(com_argv[i+1]);
627
628         if ((i = COM_CheckParm("-height")) != 0)
629                 height = atoi(com_argv[i+1]);
630
631         if ((i = COM_CheckParm("-conwidth")) != 0)
632                 vid.conwidth = atoi(com_argv[i+1]);
633         else
634                 vid.conwidth = 640;
635
636         vid.conwidth &= 0xfff8; // make it a multiple of eight
637
638         if (vid.conwidth < 320)
639                 vid.conwidth = 320;
640
641         // pick a conheight that matches with correct aspect
642         vid.conheight = vid.conwidth*3 / 4;
643
644         if ((i = COM_CheckParm("-conheight")) != 0)
645                 vid.conheight = atoi(com_argv[i+1]);
646         if (vid.conheight < 200)
647                 vid.conheight = 200;
648
649         if (!(dpy = XOpenDisplay(NULL)))
650         {
651                 fprintf(stderr, "Error couldn't open the X display\n");
652                 exit(1);
653         }
654
655         scrnum = DefaultScreen(dpy);
656         root = RootWindow(dpy, scrnum);
657
658         // Get video mode list
659         MajorVersion = MinorVersion = 0;
660         if (!XF86VidModeQueryVersion(dpy, &MajorVersion, &MinorVersion))
661                 vidmode_ext = false;
662         else
663         {
664                 Con_Printf("Using XFree86-VidModeExtension Version %d.%d\n", MajorVersion, MinorVersion);
665                 vidmode_ext = true;
666         }
667
668         visinfo = glXChooseVisual(dpy, scrnum, attrib);
669         if (!visinfo)
670         {
671                 fprintf(stderr, "qkHack: Error couldn't get an RGB, Double-buffered, Depth visual\n");
672                 exit(1);
673         }
674
675         if (vidmode_ext)
676         {
677                 int best_fit, best_dist, dist, x, y;
678
679                 XF86VidModeGetAllModeLines(dpy, scrnum, &num_vidmodes, &vidmodes);
680
681                 // Are we going fullscreen?  If so, let's change video mode
682                 if (fullscreen)
683                 {
684                         best_dist = 9999999;
685                         best_fit = -1;
686
687                         for (i = 0; i < num_vidmodes; i++)
688                         {
689                                 if (width > vidmodes[i]->hdisplay || height > vidmodes[i]->vdisplay)
690                                         continue;
691
692                                 x = width - vidmodes[i]->hdisplay;
693                                 y = height - vidmodes[i]->vdisplay;
694                                 dist = (x * x) + (y * y);
695                                 if (dist < best_dist)
696                                 {
697                                         best_dist = dist;
698                                         best_fit = i;
699                                 }
700                         }
701
702                         if (best_fit != -1)
703                         {
704                                 actualWidth = vidmodes[best_fit]->hdisplay;
705                                 actualHeight = vidmodes[best_fit]->vdisplay;
706
707                                 // change to the mode
708                                 XF86VidModeSwitchToMode(dpy, scrnum, vidmodes[best_fit]);
709                                 vidmode_active = true;
710
711                                 // Move the viewport to top left
712                                 XF86VidModeSetViewPort(dpy, scrnum, 0, 0);
713                         }
714                         else
715                                 fullscreen = 0;
716                 }
717         }
718
719         /* window attributes */
720         attr.background_pixel = 0;
721         attr.border_pixel = 0;
722         attr.colormap = XCreateColormap(dpy, root, visinfo->visual, AllocNone);
723         attr.event_mask = X_MASK;
724         if (vidmode_active)
725         {
726                 mask = CWBackPixel | CWColormap | CWSaveUnder | CWBackingStore | CWEventMask | CWOverrideRedirect;
727                 attr.override_redirect = True;
728                 attr.backing_store = NotUseful;
729                 attr.save_under = False;
730         }
731         else
732                 mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
733
734         win = XCreateWindow(dpy, root, 0, 0, width, height, 0, visinfo->depth, InputOutput, visinfo->visual, mask, &attr);
735         XStoreName(dpy, win, "DarkPlaces-GLX");
736         XMapWindow(dpy, win);
737
738         if (vidmode_active)
739         {
740                 XMoveWindow(dpy, win, 0, 0);
741                 XRaiseWindow(dpy, win);
742                 XWarpPointer(dpy, None, win, 0, 0, 0, 0, 0, 0);
743                 XFlush(dpy);
744                 // Move the viewport to top left
745                 XF86VidModeSetViewPort(dpy, scrnum, 0, 0);
746         }
747
748         XFlush(dpy);
749
750         ctx = glXCreateContext(dpy, visinfo, NULL, True);
751
752         glXMakeCurrent(dpy, win, ctx);
753
754         scr_width = width;
755         scr_height = height;
756
757         if (vid.conheight > height)
758                 vid.conheight = height;
759         if (vid.conwidth > width)
760                 vid.conwidth = width;
761         vid.width = vid.conwidth;
762         vid.height = vid.conheight;
763
764         InitSig(); // trap evil signals
765
766         GL_Init();
767
768         Con_SafePrintf ("Video mode %dx%d initialized.\n", width, height);
769
770         // force a surface cache flush
771         vid.recalc_refdef = 1;
772 }
773
774 void Sys_SendKeyEvents(void)
775 {
776         HandleEvents();
777 }
778
779 void Force_CenterView_f (void)
780 {
781         cl.viewangles[PITCH] = 0;
782 }
783
784 void IN_Init(void)
785 {
786 }
787
788 void IN_Shutdown(void)
789 {
790 }
791
792 /*
793 ===========
794 IN_Commands
795 ===========
796 */
797 void IN_Commands (void)
798 {
799 }
800
801 /*
802 ===========
803 IN_Move
804 ===========
805 */
806 void IN_MouseMove (usercmd_t *cmd)
807 {
808         if (!mouse_avail)
809                 return;
810
811         if (m_filter.value)
812         {
813                 mouse_x = (mouse_x + old_mouse_x) * 0.5;
814                 mouse_y = (mouse_y + old_mouse_y) * 0.5;
815
816                 old_mouse_x = mouse_x;
817                 old_mouse_y = mouse_y;
818         }
819
820         mouse_x *= sensitivity.value;
821         mouse_y *= sensitivity.value;
822
823         if (in_strafe.state & 1)
824                 cmd->sidemove += m_side.value * mouse_x;
825         else
826                 cl.viewangles[YAW] -= m_yaw.value * mouse_x;
827
828         //if (freelook)
829                 V_StopPitchDrift ();
830
831         if (/*freelook && */!(in_strafe.state & 1))
832         {
833                 cl.viewangles[PITCH] += m_pitch.value * mouse_y;
834                 cl.viewangles[PITCH] = bound (-70, cl.viewangles[PITCH], 80);
835         }
836         else
837         {
838                 if ((in_strafe.state & 1) && noclip_anglehack)
839                         cmd->upmove -= m_forward.value * mouse_y;
840                 else
841                         cmd->forwardmove -= m_forward.value * mouse_y;
842         }
843         mouse_x = mouse_y = 0.0;
844 }
845
846 void IN_Move (usercmd_t *cmd)
847 {
848         IN_MouseMove(cmd);
849 }
850
851