2 Copyright (C) 1996-1997 Id Software, Inc.
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.
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.
13 See the GNU General Public License for more details.
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.
21 #include <sys/ioctl.h>
34 #include <X11/keysym.h>
35 #include <X11/cursorfont.h>
37 #include <X11/extensions/XShm.h>
38 #include <X11/extensions/xf86dga.h>
39 #include <X11/extensions/xf86vmode.h>
41 static Display *vidx11_display = NULL;
44 static GLXContext ctx = NULL;
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 )
52 viddef_t vid; // global video state
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 int p_mouse_x, p_mouse_y;
60 cvar_t vid_dga = {CVAR_SAVE, "vid_dga", "1"};
61 cvar_t vid_dga_mouseaccel = {0, "vid_dga_mouseaccel", "1"};
63 qboolean vidmode_ext = false;
65 static int win_x, win_y;
67 static int scr_width, scr_height;
69 static XF86VidModeModeInfo **vidmodes;
70 //static int default_dotclock_vidmode;
71 static int num_vidmodes;
72 static qboolean vidmode_active = false;
74 static Visual *vidx11_visual;
75 static Colormap vidx11_colormap;
77 /*-----------------------------------------------------------------------*/
79 const char *gl_vendor;
80 const char *gl_renderer;
81 const char *gl_version;
82 const char *gl_extensions;
84 /*-----------------------------------------------------------------------*/
86 XLateKey(XKeyEvent *ev/*, qboolean modified*/)
92 keysym = XLookupKeysym(ev, 0);
96 case XK_KP_Page_Up: key = KP_PGUP; break;
97 case XK_Page_Up: key = K_PGUP; break;
99 case XK_KP_Page_Down: key = KP_PGDN; break;
100 case XK_Page_Down: key = K_PGDN; break;
102 case XK_KP_Home: key = KP_HOME; break;
103 case XK_Home: key = K_HOME; break;
105 case XK_KP_End: key = KP_END; break;
106 case XK_End: key = K_END; break;
108 case XK_KP_Left: key = KP_LEFTARROW; break;
109 case XK_Left: key = K_LEFTARROW; break;
111 case XK_KP_Right: key = KP_RIGHTARROW; break;
112 case XK_Right: key = K_RIGHTARROW; break;
114 case XK_KP_Down: key = KP_DOWNARROW; break;
115 case XK_Down: key = K_DOWNARROW; break;
117 case XK_KP_Up: key = KP_UPARROW; break;
118 case XK_Up: key = K_UPARROW; break;
120 case XK_Escape: key = K_ESCAPE; break;
122 case XK_KP_Enter: key = KP_ENTER; break;
123 case XK_Return: key = K_ENTER; break;
125 case XK_Tab: key = K_TAB; break;
127 case XK_F1: key = K_F1; break;
128 case XK_F2: key = K_F2; break;
129 case XK_F3: key = K_F3; break;
130 case XK_F4: key = K_F4; break;
131 case XK_F5: key = K_F5; break;
132 case XK_F6: key = K_F6; break;
133 case XK_F7: key = K_F7; break;
134 case XK_F8: key = K_F8; break;
135 case XK_F9: key = K_F9; break;
136 case XK_F10: key = K_F10; break;
137 case XK_F11: key = K_F11; break;
138 case XK_F12: key = K_F12; break;
140 case XK_BackSpace: key = K_BACKSPACE; break;
142 case XK_KP_Delete: key = KP_DEL; break;
143 case XK_Delete: key = K_DEL; break;
145 case XK_Pause: key = K_PAUSE; break;
148 case XK_Shift_R: key = K_SHIFT; break;
152 case XK_Control_R: key = K_CTRL; break;
158 case XK_Meta_R: key = K_ALT; break;
160 case XK_Caps_Lock: key = K_CAPSLOCK; break;
161 case XK_KP_Begin: key = KP_5; break;
163 case XK_Insert: key = K_INS; break;
164 case XK_KP_Insert: key = KP_INS; break;
166 case XK_KP_Multiply: key = KP_MULTIPLY; break;
167 case XK_KP_Add: key = KP_PLUS; break;
168 case XK_KP_Subtract: key = KP_MINUS; break;
169 case XK_KP_Divide: key = KP_DIVIDE; break;
171 /* For Sun keyboards */
172 case XK_F27: key = K_HOME; break;
173 case XK_F29: key = K_PGUP; break;
174 case XK_F33: key = K_END; break;
175 case XK_F35: key = K_PGDN; break;
182 if (/*!modified && */((key >= 'A') && (key <= 'Z')))
183 key = key + ('a' - 'A');
191 static Cursor CreateNullCursor(Display *display, Window root)
199 cursormask = XCreatePixmap(display, root, 1, 1, 1/*depth*/);
200 xgc.function = GXclear;
201 gc = XCreateGC(display, cursormask, GCFunction, &xgc);
202 XFillRectangle(display, cursormask, gc, 0, 0, 1, 1);
203 dummycolour.pixel = 0;
205 dummycolour.flags = 04;
206 cursor = XCreatePixmapCursor(display, cursormask, cursormask, &dummycolour,&dummycolour, 0,0);
207 XFreePixmap(display,cursormask);
212 static void install_grabs(void)
214 XWindowAttributes attribs_1;
215 XSetWindowAttributes attribs_2;
217 XGetWindowAttributes(vidx11_display, win, &attribs_1);
218 attribs_2.event_mask = attribs_1.your_event_mask | KEY_MASK | MOUSE_MASK;
219 XChangeWindowAttributes(vidx11_display, win, CWEventMask, &attribs_2);
222 XDefineCursor(vidx11_display, win, CreateNullCursor(vidx11_display, win));
224 XGrabPointer(vidx11_display, win, True, 0, GrabModeAsync, GrabModeAsync, win, None, CurrentTime);
228 int MajorVersion, MinorVersion;
230 if (!XF86DGAQueryVersion(vidx11_display, &MajorVersion, &MinorVersion))
232 // unable to query, probalby not supported
233 Con_Printf( "Failed to detect XF86DGA Mouse\n" );
239 XF86DGADirectVideo(vidx11_display, DefaultScreen(vidx11_display), XF86DGADirectMouse);
240 XWarpPointer(vidx11_display, None, win, 0, 0, 0, 0, 0, 0);
244 XWarpPointer(vidx11_display, None, win, 0, 0, 0, 0, scr_width / 2, scr_height / 2);
246 XGrabKeyboard(vidx11_display, win, False, GrabModeAsync, GrabModeAsync, CurrentTime);
249 mouse_x = mouse_y = 0;
251 // XSync(vidx11_display, True);
254 static void uninstall_grabs(void)
256 if (!vidx11_display || !win)
259 if (vid_dga.integer == 1)
260 XF86DGADirectVideo(vidx11_display, DefaultScreen(vidx11_display), 0);
262 XUngrabPointer(vidx11_display, CurrentTime);
263 XUngrabKeyboard(vidx11_display, CurrentTime);
266 XUndefineCursor(vidx11_display, win);
268 mouse_active = false;
271 static void HandleEvents(void)
275 qboolean dowarp = false;
280 while (XPending(vidx11_display))
282 XNextEvent(vidx11_display, &event);
288 Key_Event(XLateKey(&event.xkey), event.type == KeyPress);
294 if (vid_dga.integer == 1)
296 mouse_x += event.xmotion.x_root * vid_dga_mouseaccel.value;
297 mouse_y += event.xmotion.y_root * vid_dga_mouseaccel.value;
302 if (!p_mouse_x && !p_mouse_y)
304 Con_Printf("event->xmotion.x: %d\n", event.xmotion.x);
305 Con_Printf("event->xmotion.y: %d\n", event.xmotion.y);
310 if (!event.xmotion.send_event)
312 mouse_x += event.xmotion.x - p_mouse_x;
313 mouse_y += event.xmotion.y - p_mouse_y;
314 if (abs(scr_width/2 - event.xmotion.x) > scr_width / 4 || abs(scr_height/2 - event.xmotion.y) > scr_height / 4)
321 mouse_x += (event.xmotion.x - p_mouse_x);
322 mouse_y += (event.xmotion.y - p_mouse_y);
325 p_mouse_x = event.xmotion.x;
326 p_mouse_y = event.xmotion.y;
330 ui_mouseupdate(event.xmotion.x, event.xmotion.y);
334 switch(event.xbutton.button)
337 Key_Event(K_MOUSE1, true);
340 Key_Event(K_MOUSE3, true);
343 Key_Event(K_MOUSE2, true);
346 Key_Event(K_MWHEELUP, true);
349 Key_Event(K_MWHEELDOWN, true);
352 Con_Printf("HandleEvents: ButtonPress gave value %d, 1-5 expected\n", event.xbutton.button);
358 switch(event.xbutton.button)
361 Key_Event(K_MOUSE1, false);
364 Key_Event(K_MOUSE3, false);
367 Key_Event(K_MOUSE2, false);
370 Key_Event(K_MWHEELUP, false);
373 Key_Event(K_MWHEELDOWN, false);
376 Con_Printf("HandleEvents: ButtonRelease gave value %d, 1-5 expected\n", event.xbutton.button);
382 win_x = event.xcreatewindow.x;
383 win_y = event.xcreatewindow.y;
386 case ConfigureNotify :
387 win_x = event.xconfigure.x;
388 win_y = event.xconfigure.y;
395 /* move the mouse to the window center again */
396 p_mouse_x = scr_width / 2;
397 p_mouse_y = scr_height / 2;
398 XWarpPointer(vidx11_display, None, win, 0, 0, 0, 0, p_mouse_x, p_mouse_y);
403 static void IN_DeactivateMouse( void )
405 if (!mouse_avail || !vidx11_display || !win)
411 mouse_active = false;
415 static void IN_ActivateMouse( void )
417 if (!mouse_avail || !vidx11_display || !win)
422 mouse_x = mouse_y = 0; // don't spazz
429 void VID_Shutdown(void)
431 if (!ctx || !vidx11_display)
439 XF86VidModeSwitchToMode(vidx11_display, scrnum, vidmodes[0]);
440 /* Disabled, causes a segfault during shutdown.
442 glXDestroyContext(vidx11_display, ctx);
445 XDestroyWindow(vidx11_display, win);
446 XCloseDisplay(vidx11_display);
448 vidmode_active = false;
449 vidx11_display = NULL;
454 void signal_handler(int sig)
456 printf("Received signal %d, exiting...\n", sig);
463 signal(SIGHUP, signal_handler);
464 signal(SIGINT, signal_handler);
465 signal(SIGQUIT, signal_handler);
466 signal(SIGILL, signal_handler);
467 signal(SIGTRAP, signal_handler);
468 signal(SIGIOT, signal_handler);
469 signal(SIGBUS, signal_handler);
470 signal(SIGFPE, signal_handler);
471 signal(SIGSEGV, signal_handler);
472 signal(SIGTERM, signal_handler);
480 void VID_GetWindowSize (int *x, int *y, int *width, int *height)
484 *height = scr_height;
487 void VID_Finish (void)
490 if (r_render.integer)
493 glXSwapBuffers(vidx11_display, win);
496 // handle the mouse state when windowed if that's changed
498 if (vid_mouse.integer && key_dest == key_game)
515 IN_DeactivateMouse ();
520 // LordHavoc: ported from SDL 1.2.2, this was far more difficult to port from
521 // SDL than to simply use the XFree gamma ramp extension, but that affects the
522 // whole screen even when the game window is inactive, this only affects the
523 // screen while the window is active, very desirable behavior :)
524 int VID_SetGamma(float prescale, float gamma, float scale, float base)
526 // LordHavoc: FIXME: finish this code, we need to allocate colors before we can store them
531 unsigned int Rmask, Gmask, Bmask, Rloss, Gloss, Bloss, Rshift, Gshift, Bshift, mask;
533 unsigned short ramp[256];
535 if (COM_CheckParm("-nogamma"))
538 if (vidx11_visual->class != DirectColor)
540 Con_Printf("X11 Visual class is %d, can only do gamma on %d\n", vidx11_visual->class, DirectColor);
544 Rmask = vidx11_visual->red_mask;
545 Gmask = vidx11_visual->green_mask;
546 Bmask = vidx11_visual->blue_mask;
552 for (;!(mask & 1);mask >>= 1)
554 for (;(mask & 1);mask >>= 1)
561 for (;!(mask & 1);mask >>= 1)
563 for (;(mask & 1);mask >>= 1)
570 for (;!(mask & 1);mask >>= 1)
572 for (;(mask & 1);mask >>= 1)
576 BuildGammaTable16(prescale, gamma, scale, base, ramp);
578 // convert gamma ramp to palette (yes this seems odd)
579 ncolors = vidx11_visual->map_entries;
580 for (i = 0;i < ncolors;i++)
582 c = (256 * i / ncolors);
583 xcmap[i].pixel = ((c >> Rloss) << Rshift) | ((c >> Gloss) << Gshift) | ((c >> Bloss) << Bshift);
584 xcmap[i].red = ramp[c];
585 xcmap[i].green = ramp[c];
586 xcmap[i].blue = ramp[c];
587 xcmap[i].flags = (DoRed|DoGreen|DoBlue);
589 XStoreColors(vidx11_display, vidx11_colormap, xcmap, ncolors);
590 XSync(vidx11_display, false);
591 // FIXME: should this check for BadAccess/BadColor/BadValue errors produced by XStoreColors before setting this true?
599 // LordHavoc: FIXME: finish this code, we need to allocate colors before we can store them
609 GLX_X_VISUAL_TYPE, GLX_DIRECT_COLOR,
613 int nogammaattrib[] =
623 // char gldir[MAX_OSPATH];
624 int width = 640, height = 480;
625 XSetWindowAttributes attr;
628 XVisualInfo *visinfo;
629 qboolean fullscreen = true;
630 int MajorVersion, MinorVersion;
632 Cvar_RegisterVariable (&vid_dga);
633 Cvar_RegisterVariable (&vid_dga_mouseaccel);
635 // interpret command-line params
637 // set vid parameters
638 if ((i = COM_CheckParm("-window")) != 0)
641 if ((i = COM_CheckParm("-width")) != 0)
642 width = atoi(com_argv[i+1]);
644 if ((i = COM_CheckParm("-height")) != 0)
645 height = atoi(com_argv[i+1]);
647 if ((i = COM_CheckParm("-conwidth")) != 0)
648 vid.conwidth = atoi(com_argv[i+1]);
652 vid.conwidth &= 0xfff8; // make it a multiple of eight
654 if (vid.conwidth < 320)
657 // pick a conheight that matches with correct aspect
658 vid.conheight = vid.conwidth*3 / 4;
660 if ((i = COM_CheckParm("-conheight")) != 0)
661 vid.conheight = atoi(com_argv[i+1]);
662 if (vid.conheight < 200)
665 if (!(vidx11_display = XOpenDisplay(NULL)))
667 fprintf(stderr, "Error couldn't open the X display\n");
671 scrnum = DefaultScreen(vidx11_display);
672 root = RootWindow(vidx11_display, scrnum);
674 // Get video mode list
675 MajorVersion = MinorVersion = 0;
676 if (!XF86VidModeQueryVersion(vidx11_display, &MajorVersion, &MinorVersion))
680 Con_Printf("Using XFree86-VidModeExtension Version %d.%d\n", MajorVersion, MinorVersion);
685 // LordHavoc: FIXME: finish this code, we need to allocate colors before we can store them
687 if (!COM_CheckParm("-nogamma"))
688 visinfo = glXChooseVisual(vidx11_display, scrnum, gammaattrib);
692 visinfo = glXChooseVisual(vidx11_display, scrnum, nogammaattrib);
695 fprintf(stderr, "qkHack: Error couldn't get an RGB, Double-buffered, Depth visual\n");
702 int best_fit, best_dist, dist, x, y;
704 XF86VidModeGetAllModeLines(vidx11_display, scrnum, &num_vidmodes, &vidmodes);
706 // Are we going fullscreen? If so, let's change video mode
712 for (i = 0; i < num_vidmodes; i++)
714 if (width > vidmodes[i]->hdisplay || height > vidmodes[i]->vdisplay)
717 x = width - vidmodes[i]->hdisplay;
718 y = height - vidmodes[i]->vdisplay;
719 dist = (x * x) + (y * y);
720 if (dist < best_dist)
729 // LordHavoc: changed from ActualWidth/ActualHeight =,
730 // to width/height =, so the window will take the full area of
732 width = vidmodes[best_fit]->hdisplay;
733 height = vidmodes[best_fit]->vdisplay;
735 // change to the mode
736 XF86VidModeSwitchToMode(vidx11_display, scrnum, vidmodes[best_fit]);
737 vidmode_active = true;
739 // Move the viewport to top left
740 XF86VidModeSetViewPort(vidx11_display, scrnum, 0, 0);
747 // LordHavoc: save the visual for use in gamma ramp settings later
748 vidx11_visual = visinfo->visual;
750 /* window attributes */
751 attr.background_pixel = 0;
752 attr.border_pixel = 0;
753 // LordHavoc: save the colormap for later, too
754 vidx11_colormap = attr.colormap = XCreateColormap(vidx11_display, root, visinfo->visual, AllocNone);
755 attr.event_mask = X_MASK;
758 mask = CWBackPixel | CWColormap | CWSaveUnder | CWBackingStore | CWEventMask | CWOverrideRedirect;
759 attr.override_redirect = True;
760 attr.backing_store = NotUseful;
761 attr.save_under = False;
764 mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
766 win = XCreateWindow(vidx11_display, root, 0, 0, width, height, 0, visinfo->depth, InputOutput, visinfo->visual, mask, &attr);
767 XStoreName(vidx11_display, win, gamename);
768 XMapWindow(vidx11_display, win);
772 XMoveWindow(vidx11_display, win, 0, 0);
773 XRaiseWindow(vidx11_display, win);
774 XWarpPointer(vidx11_display, None, win, 0, 0, 0, 0, 0, 0);
775 XFlush(vidx11_display);
776 // Move the viewport to top left
777 XF86VidModeSetViewPort(vidx11_display, scrnum, 0, 0);
780 XFlush(vidx11_display);
782 ctx = glXCreateContext(vidx11_display, visinfo, NULL, True);
784 glXMakeCurrent(vidx11_display, win, ctx);
789 if (vid.conheight > height)
790 vid.conheight = height;
791 if (vid.conwidth > width)
792 vid.conwidth = width;
794 InitSig(); // trap evil signals
798 Con_SafePrintf ("Video mode %dx%d initialized.\n", width, height);
800 // force a surface cache flush
801 // vid.recalc_refdef = 1;
804 void Sys_SendKeyEvents(void)
811 if (COM_CheckParm ("-nomouse"))
815 void IN_Shutdown(void)
824 void IN_Commands (void)
828 void IN_Move (usercmd_t *cmd)
831 IN_Mouse(cmd, mouse_x, mouse_y);