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 float old_mouse_x, old_mouse_y;
59 static int p_mouse_x, p_mouse_y;
61 cvar_t vid_dga = {CVAR_SAVE, "vid_dga", "1"};
62 cvar_t vid_dga_mouseaccel = {0, "vid_dga_mouseaccel", "1"};
64 qboolean vidmode_ext = false;
66 static int win_x, win_y;
68 static int scr_width, scr_height;
70 static XF86VidModeModeInfo **vidmodes;
71 //static int default_dotclock_vidmode;
72 static int num_vidmodes;
73 static qboolean vidmode_active = false;
75 static Visual *vidx11_visual;
76 static Colormap vidx11_colormap;
78 /*-----------------------------------------------------------------------*/
80 float gldepthmin, gldepthmax;
82 const char *gl_vendor;
83 const char *gl_renderer;
84 const char *gl_version;
85 const char *gl_extensions;
87 /*-----------------------------------------------------------------------*/
89 XLateKey(XKeyEvent *ev/*, qboolean modified*/)
95 keysym = XLookupKeysym(ev, 0);
99 case XK_KP_Page_Up: key = KP_PGUP; break;
100 case XK_Page_Up: key = K_PGUP; break;
102 case XK_KP_Page_Down: key = KP_PGDN; break;
103 case XK_Page_Down: key = K_PGDN; break;
105 case XK_KP_Home: key = KP_HOME; break;
106 case XK_Home: key = K_HOME; break;
108 case XK_KP_End: key = KP_END; break;
109 case XK_End: key = K_END; break;
111 case XK_KP_Left: key = KP_LEFTARROW; break;
112 case XK_Left: key = K_LEFTARROW; break;
114 case XK_KP_Right: key = KP_RIGHTARROW; break;
115 case XK_Right: key = K_RIGHTARROW; break;
117 case XK_KP_Down: key = KP_DOWNARROW; break;
118 case XK_Down: key = K_DOWNARROW; break;
120 case XK_KP_Up: key = KP_UPARROW; break;
121 case XK_Up: key = K_UPARROW; break;
123 case XK_Escape: key = K_ESCAPE; break;
125 case XK_KP_Enter: key = KP_ENTER; break;
126 case XK_Return: key = K_ENTER; break;
128 case XK_Tab: key = K_TAB; break;
130 case XK_F1: key = K_F1; break;
131 case XK_F2: key = K_F2; break;
132 case XK_F3: key = K_F3; break;
133 case XK_F4: key = K_F4; break;
134 case XK_F5: key = K_F5; break;
135 case XK_F6: key = K_F6; break;
136 case XK_F7: key = K_F7; break;
137 case XK_F8: key = K_F8; break;
138 case XK_F9: key = K_F9; break;
139 case XK_F10: key = K_F10; break;
140 case XK_F11: key = K_F11; break;
141 case XK_F12: key = K_F12; break;
143 case XK_BackSpace: key = K_BACKSPACE; break;
145 case XK_KP_Delete: key = KP_DEL; break;
146 case XK_Delete: key = K_DEL; break;
148 case XK_Pause: key = K_PAUSE; break;
151 case XK_Shift_R: key = K_SHIFT; break;
155 case XK_Control_R: key = K_CTRL; break;
161 case XK_Meta_R: key = K_ALT; break;
163 case XK_Caps_Lock: key = K_CAPSLOCK; break;
164 case XK_KP_Begin: key = KP_5; break;
166 case XK_Insert: key = K_INS; break;
167 case XK_KP_Insert: key = KP_INS; break;
169 case XK_KP_Multiply: key = KP_MULTIPLY; break;
170 case XK_KP_Add: key = KP_PLUS; break;
171 case XK_KP_Subtract: key = KP_MINUS; break;
172 case XK_KP_Divide: key = KP_DIVIDE; break;
174 /* For Sun keyboards */
175 case XK_F27: key = K_HOME; break;
176 case XK_F29: key = K_PGUP; break;
177 case XK_F33: key = K_END; break;
178 case XK_F35: key = K_PGDN; break;
185 if (/*!modified && */((key >= 'A') && (key <= 'Z')))
186 key = key + ('a' - 'A');
194 static Cursor CreateNullCursor(Display *display, Window root)
202 cursormask = XCreatePixmap(display, root, 1, 1, 1/*depth*/);
203 xgc.function = GXclear;
204 gc = XCreateGC(display, cursormask, GCFunction, &xgc);
205 XFillRectangle(display, cursormask, gc, 0, 0, 1, 1);
206 dummycolour.pixel = 0;
208 dummycolour.flags = 04;
209 cursor = XCreatePixmapCursor(display, cursormask, cursormask, &dummycolour,&dummycolour, 0,0);
210 XFreePixmap(display,cursormask);
215 static void install_grabs(void)
217 XWindowAttributes attribs_1;
218 XSetWindowAttributes attribs_2;
220 XGetWindowAttributes(vidx11_display, win, &attribs_1);
221 attribs_2.event_mask = attribs_1.your_event_mask | KEY_MASK | MOUSE_MASK;
222 XChangeWindowAttributes(vidx11_display, win, CWEventMask, &attribs_2);
225 XDefineCursor(vidx11_display, win, CreateNullCursor(vidx11_display, win));
227 XGrabPointer(vidx11_display, win, True, 0, GrabModeAsync, GrabModeAsync, win, None, CurrentTime);
231 int MajorVersion, MinorVersion;
233 if (!XF86DGAQueryVersion(vidx11_display, &MajorVersion, &MinorVersion))
235 // unable to query, probalby not supported
236 Con_Printf( "Failed to detect XF86DGA Mouse\n" );
242 XF86DGADirectVideo(vidx11_display, DefaultScreen(vidx11_display), XF86DGADirectMouse);
243 XWarpPointer(vidx11_display, None, win, 0, 0, 0, 0, 0, 0);
247 XWarpPointer(vidx11_display, None, win, 0, 0, 0, 0, scr_width / 2, scr_height / 2);
249 XGrabKeyboard(vidx11_display, win, False, GrabModeAsync, GrabModeAsync, CurrentTime);
252 mouse_x = mouse_y = 0;
254 // XSync(vidx11_display, True);
257 static void uninstall_grabs(void)
259 if (!vidx11_display || !win)
262 if (vid_dga.integer == 1)
263 XF86DGADirectVideo(vidx11_display, DefaultScreen(vidx11_display), 0);
265 XUngrabPointer(vidx11_display, CurrentTime);
266 XUngrabKeyboard(vidx11_display, CurrentTime);
269 XUndefineCursor(vidx11_display, win);
271 mouse_active = false;
274 static void HandleEvents(void)
278 qboolean dowarp = false;
283 while (XPending(vidx11_display))
285 XNextEvent(vidx11_display, &event);
291 Key_Event(XLateKey(&event.xkey), event.type == KeyPress);
297 if (vid_dga.integer == 1)
299 mouse_x += event.xmotion.x_root * vid_dga_mouseaccel.value;
300 mouse_y += event.xmotion.y_root * vid_dga_mouseaccel.value;
305 if (!p_mouse_x && !p_mouse_y)
307 Con_Printf("event->xmotion.x: %d\n", event.xmotion.x);
308 Con_Printf("event->xmotion.y: %d\n", event.xmotion.y);
313 if (!event.xmotion.send_event)
315 mouse_x += event.xmotion.x - p_mouse_x;
316 mouse_y += event.xmotion.y - p_mouse_y;
317 if (abs(scr_width/2 - event.xmotion.x) > scr_width / 4 || abs(scr_height/2 - event.xmotion.y) > scr_height / 4)
324 mouse_x += (event.xmotion.x - p_mouse_x);
325 mouse_y += (event.xmotion.y - p_mouse_y);
328 p_mouse_x = event.xmotion.x;
329 p_mouse_y = event.xmotion.y;
333 ui_mouseupdate(event.xmotion.x, event.xmotion.y);
337 switch(event.xbutton.button)
340 Key_Event(K_MOUSE1, true);
343 Key_Event(K_MOUSE3, true);
346 Key_Event(K_MOUSE2, true);
349 Key_Event(K_MWHEELUP, true);
352 Key_Event(K_MWHEELDOWN, true);
355 Con_Printf("HandleEvents: ButtonPress gave value %d, 1-5 expected\n", event.xbutton.button);
361 switch(event.xbutton.button)
364 Key_Event(K_MOUSE1, false);
367 Key_Event(K_MOUSE3, false);
370 Key_Event(K_MOUSE2, false);
373 Key_Event(K_MWHEELUP, false);
376 Key_Event(K_MWHEELDOWN, false);
379 Con_Printf("HandleEvents: ButtonRelease gave value %d, 1-5 expected\n", event.xbutton.button);
385 win_x = event.xcreatewindow.x;
386 win_y = event.xcreatewindow.y;
389 case ConfigureNotify :
390 win_x = event.xconfigure.x;
391 win_y = event.xconfigure.y;
398 /* move the mouse to the window center again */
399 p_mouse_x = scr_width / 2;
400 p_mouse_y = scr_height / 2;
401 XWarpPointer(vidx11_display, None, win, 0, 0, 0, 0, p_mouse_x, p_mouse_y);
406 static void IN_DeactivateMouse( void )
408 if (!mouse_avail || !vidx11_display || !win)
414 mouse_active = false;
418 static void IN_ActivateMouse( void )
420 if (!mouse_avail || !vidx11_display || !win)
425 mouse_x = mouse_y = 0; // don't spazz
432 void VID_Shutdown(void)
434 if (!ctx || !vidx11_display)
442 XF86VidModeSwitchToMode(vidx11_display, scrnum, vidmodes[0]);
443 /* Disabled, causes a segfault during shutdown.
445 glXDestroyContext(vidx11_display, ctx);
448 XDestroyWindow(vidx11_display, win);
449 XCloseDisplay(vidx11_display);
451 vidmode_active = false;
452 vidx11_display = NULL;
457 void signal_handler(int sig)
459 printf("Received signal %d, exiting...\n", sig);
466 signal(SIGHUP, signal_handler);
467 signal(SIGINT, signal_handler);
468 signal(SIGQUIT, signal_handler);
469 signal(SIGILL, signal_handler);
470 signal(SIGTRAP, signal_handler);
471 signal(SIGIOT, signal_handler);
472 signal(SIGBUS, signal_handler);
473 signal(SIGFPE, signal_handler);
474 signal(SIGSEGV, signal_handler);
475 signal(SIGTERM, signal_handler);
483 void VID_GetWindowSize (int *x, int *y, int *width, int *height)
487 *height = scr_height;
490 void VID_Finish (void)
493 if (r_render.integer)
496 glXSwapBuffers(vidx11_display, win);
499 // handle the mouse state when windowed if that's changed
501 if (vid_mouse.integer && key_dest == key_game)
518 IN_DeactivateMouse ();
523 // LordHavoc: ported from SDL 1.2.2, this was far more difficult to port from
524 // SDL than to simply use the XFree gamma ramp extension, but that affects the
525 // whole screen even when the game window is inactive, this only affects the
526 // screen while the window is active, very desirable behavior :)
527 int VID_SetGamma(float prescale, float gamma, float scale, float base)
529 // LordHavoc: FIXME: finish this code, we need to allocate colors before we can store them
534 unsigned int Rmask, Gmask, Bmask, Rloss, Gloss, Bloss, Rshift, Gshift, Bshift, mask;
536 unsigned short ramp[256];
538 if (COM_CheckParm("-nogamma"))
541 if (vidx11_visual->class != DirectColor)
543 Con_Printf("X11 Visual class is %d, can only do gamma on %d\n", vidx11_visual->class, DirectColor);
547 Rmask = vidx11_visual->red_mask;
548 Gmask = vidx11_visual->green_mask;
549 Bmask = vidx11_visual->blue_mask;
555 for (;!(mask & 1);mask >>= 1)
557 for (;(mask & 1);mask >>= 1)
564 for (;!(mask & 1);mask >>= 1)
566 for (;(mask & 1);mask >>= 1)
573 for (;!(mask & 1);mask >>= 1)
575 for (;(mask & 1);mask >>= 1)
579 BuildGammaTable16(prescale, gamma, scale, base, ramp);
581 // convert gamma ramp to palette (yes this seems odd)
582 ncolors = vidx11_visual->map_entries;
583 for (i = 0;i < ncolors;i++)
585 c = (256 * i / ncolors);
586 xcmap[i].pixel = ((c >> Rloss) << Rshift) | ((c >> Gloss) << Gshift) | ((c >> Bloss) << Bshift);
587 xcmap[i].red = ramp[c];
588 xcmap[i].green = ramp[c];
589 xcmap[i].blue = ramp[c];
590 xcmap[i].flags = (DoRed|DoGreen|DoBlue);
592 XStoreColors(vidx11_display, vidx11_colormap, xcmap, ncolors);
593 XSync(vidx11_display, false);
594 // FIXME: should this check for BadAccess/BadColor/BadValue errors produced by XStoreColors before setting this true?
602 // LordHavoc: FIXME: finish this code, we need to allocate colors before we can store them
612 GLX_X_VISUAL_TYPE, GLX_DIRECT_COLOR,
616 int nogammaattrib[] =
626 // char gldir[MAX_OSPATH];
627 int width = 640, height = 480;
628 XSetWindowAttributes attr;
631 XVisualInfo *visinfo;
632 qboolean fullscreen = true;
633 int MajorVersion, MinorVersion;
635 Cvar_RegisterVariable (&vid_dga);
636 Cvar_RegisterVariable (&vid_dga_mouseaccel);
638 // interpret command-line params
640 // set vid parameters
641 if ((i = COM_CheckParm("-window")) != 0)
644 if ((i = COM_CheckParm("-width")) != 0)
645 width = atoi(com_argv[i+1]);
647 if ((i = COM_CheckParm("-height")) != 0)
648 height = atoi(com_argv[i+1]);
650 if ((i = COM_CheckParm("-conwidth")) != 0)
651 vid.conwidth = atoi(com_argv[i+1]);
655 vid.conwidth &= 0xfff8; // make it a multiple of eight
657 if (vid.conwidth < 320)
660 // pick a conheight that matches with correct aspect
661 vid.conheight = vid.conwidth*3 / 4;
663 if ((i = COM_CheckParm("-conheight")) != 0)
664 vid.conheight = atoi(com_argv[i+1]);
665 if (vid.conheight < 200)
668 if (!(vidx11_display = XOpenDisplay(NULL)))
670 fprintf(stderr, "Error couldn't open the X display\n");
674 scrnum = DefaultScreen(vidx11_display);
675 root = RootWindow(vidx11_display, scrnum);
677 // Get video mode list
678 MajorVersion = MinorVersion = 0;
679 if (!XF86VidModeQueryVersion(vidx11_display, &MajorVersion, &MinorVersion))
683 Con_Printf("Using XFree86-VidModeExtension Version %d.%d\n", MajorVersion, MinorVersion);
688 // LordHavoc: FIXME: finish this code, we need to allocate colors before we can store them
690 if (!COM_CheckParm("-nogamma"))
691 visinfo = glXChooseVisual(vidx11_display, scrnum, gammaattrib);
695 visinfo = glXChooseVisual(vidx11_display, scrnum, nogammaattrib);
698 fprintf(stderr, "qkHack: Error couldn't get an RGB, Double-buffered, Depth visual\n");
705 int best_fit, best_dist, dist, x, y;
707 XF86VidModeGetAllModeLines(vidx11_display, scrnum, &num_vidmodes, &vidmodes);
709 // Are we going fullscreen? If so, let's change video mode
715 for (i = 0; i < num_vidmodes; i++)
717 if (width > vidmodes[i]->hdisplay || height > vidmodes[i]->vdisplay)
720 x = width - vidmodes[i]->hdisplay;
721 y = height - vidmodes[i]->vdisplay;
722 dist = (x * x) + (y * y);
723 if (dist < best_dist)
732 // LordHavoc: changed from ActualWidth/ActualHeight =,
733 // to width/height =, so the window will take the full area of
735 width = vidmodes[best_fit]->hdisplay;
736 height = vidmodes[best_fit]->vdisplay;
738 // change to the mode
739 XF86VidModeSwitchToMode(vidx11_display, scrnum, vidmodes[best_fit]);
740 vidmode_active = true;
742 // Move the viewport to top left
743 XF86VidModeSetViewPort(vidx11_display, scrnum, 0, 0);
750 // LordHavoc: save the visual for use in gamma ramp settings later
751 vidx11_visual = visinfo->visual;
753 /* window attributes */
754 attr.background_pixel = 0;
755 attr.border_pixel = 0;
756 // LordHavoc: save the colormap for later, too
757 vidx11_colormap = attr.colormap = XCreateColormap(vidx11_display, root, visinfo->visual, AllocNone);
758 attr.event_mask = X_MASK;
761 mask = CWBackPixel | CWColormap | CWSaveUnder | CWBackingStore | CWEventMask | CWOverrideRedirect;
762 attr.override_redirect = True;
763 attr.backing_store = NotUseful;
764 attr.save_under = False;
767 mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
769 win = XCreateWindow(vidx11_display, root, 0, 0, width, height, 0, visinfo->depth, InputOutput, visinfo->visual, mask, &attr);
770 XStoreName(vidx11_display, win, gamename);
771 XMapWindow(vidx11_display, win);
775 XMoveWindow(vidx11_display, win, 0, 0);
776 XRaiseWindow(vidx11_display, win);
777 XWarpPointer(vidx11_display, None, win, 0, 0, 0, 0, 0, 0);
778 XFlush(vidx11_display);
779 // Move the viewport to top left
780 XF86VidModeSetViewPort(vidx11_display, scrnum, 0, 0);
783 XFlush(vidx11_display);
785 ctx = glXCreateContext(vidx11_display, visinfo, NULL, True);
787 glXMakeCurrent(vidx11_display, win, ctx);
792 if (vid.conheight > height)
793 vid.conheight = height;
794 if (vid.conwidth > width)
795 vid.conwidth = width;
797 InitSig(); // trap evil signals
801 Con_SafePrintf ("Video mode %dx%d initialized.\n", width, height);
803 // force a surface cache flush
804 // vid.recalc_refdef = 1;
807 void Sys_SendKeyEvents(void)
814 if (COM_CheckParm ("-nomouse"))
818 void IN_Shutdown(void)
827 void IN_Commands (void)
831 void IN_Move (usercmd_t *cmd)
834 In_Mouse(cmd, mouse_x, mouse_y);