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 *dpy = 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;
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 static cvar_t in_mouse = {"in_mouse", "1", false};
62 static cvar_t in_dga = {"in_dga", "1", false};
63 static cvar_t in_dga_mouseaccel = {"in_dga_mouseaccel", "1", false};
64 static cvar_t m_filter = {"m_filter", "0"};
66 qboolean vidmode_ext = false;
68 static int win_x, win_y;
70 static int scr_width, scr_height;
72 static XF86VidModeModeInfo **vidmodes;
73 //static int default_dotclock_vidmode;
74 static int num_vidmodes;
75 static qboolean vidmode_active = false;
77 /*-----------------------------------------------------------------------*/
79 float gldepthmin, gldepthmax;
81 const char *gl_vendor;
82 const char *gl_renderer;
83 const char *gl_version;
84 const char *gl_extensions;
86 /*-----------------------------------------------------------------------*/
88 XLateKey(XKeyEvent *ev/*, qboolean modified*/)
94 keysym = XLookupKeysym(ev, 0);
97 case XK_KP_Page_Up: key = KP_PGUP; break;
98 case XK_Page_Up: key = K_PGUP; break;
100 case XK_KP_Page_Down: key = KP_PGDN; break;
101 case XK_Page_Down: key = K_PGDN; break;
103 case XK_KP_Home: key = KP_HOME; break;
104 case XK_Home: key = K_HOME; break;
106 case XK_KP_End: key = KP_END; break;
107 case XK_End: key = K_END; break;
109 case XK_KP_Left: key = KP_LEFTARROW; break;
110 case XK_Left: key = K_LEFTARROW; break;
112 case XK_KP_Right: key = KP_RIGHTARROW; break;
113 case XK_Right: key = K_RIGHTARROW; break;
115 case XK_KP_Down: key = KP_DOWNARROW; break;
116 case XK_Down: key = K_DOWNARROW; break;
118 case XK_KP_Up: key = KP_UPARROW; break;
119 case XK_Up: key = K_UPARROW; break;
121 case XK_Escape: key = K_ESCAPE; break;
123 case XK_KP_Enter: key = KP_ENTER; break;
124 case XK_Return: key = K_ENTER; break;
126 case XK_Tab: key = K_TAB; break;
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;
141 case XK_BackSpace: key = K_BACKSPACE; break;
143 case XK_KP_Delete: key = KP_DEL; break;
144 case XK_Delete: key = K_DEL; break;
146 case XK_Pause: key = K_PAUSE; break;
149 case XK_Shift_R: key = K_SHIFT; break;
153 case XK_Control_R: key = K_CTRL; break;
159 case XK_Meta_R: key = K_ALT; break;
161 case XK_Caps_Lock: key = K_CAPSLOCK; break;
162 case XK_KP_Begin: key = KP_5; break;
164 case XK_Insert: key = K_INS; break;
165 case XK_KP_Insert: key = KP_INS; break;
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;
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;
182 if (/*!modified && */((key >= 'A') && (key <= 'Z'))) {
183 key = key + ('a' - 'A');
192 static Cursor CreateNullCursor(Display *display, Window root)
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;
206 dummycolour.flags = 04;
207 cursor = XCreatePixmapCursor(display, cursormask, cursormask,
208 &dummycolour,&dummycolour, 0,0);
209 XFreePixmap(display,cursormask);
214 static void install_grabs(void)
216 XWindowAttributes attribs_1;
217 XSetWindowAttributes attribs_2;
219 XGetWindowAttributes(dpy, win, &attribs_1);
220 attribs_2.event_mask = attribs_1.your_event_mask | KEY_MASK | MOUSE_MASK;
221 XChangeWindowAttributes(dpy, win, CWEventMask, &attribs_2);
224 XDefineCursor(dpy, win, CreateNullCursor(dpy, win));
226 XGrabPointer(dpy, win, True, 0, GrabModeAsync, GrabModeAsync,
227 win, None, CurrentTime);
230 int MajorVersion, MinorVersion;
232 if (!XF86DGAQueryVersion(dpy, &MajorVersion, &MinorVersion)) {
233 // unable to query, probalby not supported
234 Con_Printf( "Failed to detect XF86DGA Mouse\n" );
238 XF86DGADirectVideo(dpy, DefaultScreen(dpy), XF86DGADirectMouse);
239 XWarpPointer(dpy, None, win, 0, 0, 0, 0, 0, 0);
242 XWarpPointer(dpy, None, win,
244 vid.width / 2, vid.height / 2);
247 XGrabKeyboard(dpy, win, False, GrabModeAsync, GrabModeAsync, CurrentTime);
250 mouse_x = mouse_y = 0;
255 static void uninstall_grabs(void)
260 if (in_dga.value == 1) {
261 XF86DGADirectVideo(dpy, DefaultScreen(dpy), 0);
264 XUngrabPointer(dpy, CurrentTime);
265 XUngrabKeyboard(dpy, CurrentTime);
268 XUndefineCursor(dpy, win);
270 mouse_active = false;
273 static void HandleEvents(void)
278 qboolean dowarp = false;
283 while (XPending(dpy)) {
284 XNextEvent(dpy, &event);
286 switch (event.type) {
289 Key_Event(XLateKey(&event.xkey), event.type == KeyPress);
293 if (in_dga.value == 1) {
294 mouse_x += event.xmotion.x_root * in_dga_mouseaccel.value;
295 mouse_y += event.xmotion.y_root * in_dga_mouseaccel.value;
297 if (!p_mouse_x && !p_mouse_y) {
298 Con_Printf("event->xmotion.x: %d\n", event.xmotion.x);
299 Con_Printf("event->xmotion.y: %d\n", event.xmotion.y);
301 if (vid_fullscreen.value || vid_mouse.value) {
302 if (!event.xmotion.send_event) {
303 mouse_x += (event.xmotion.x - p_mouse_x);
304 mouse_y += (event.xmotion.y - p_mouse_y);
305 if (abs(vid.width/2 - event.xmotion.x) > vid.width / 4
306 || abs(vid.height/2 - event.xmotion.y) > vid.height / 4) {
311 mouse_x += (event.xmotion.x - p_mouse_x);
312 mouse_y += (event.xmotion.y - p_mouse_y);
314 p_mouse_x = event.xmotion.x;
315 p_mouse_y = event.xmotion.y;
321 if (event.xbutton.button == 1)
323 else if (event.xbutton.button == 2)
325 else if (event.xbutton.button == 3)
328 Key_Event(K_MOUSE1 + b, true);
333 if (event.xbutton.button == 1)
335 else if (event.xbutton.button == 2)
337 else if (event.xbutton.button == 3)
340 Key_Event(K_MOUSE1 + b, false);
344 win_x = event.xcreatewindow.x;
345 win_y = event.xcreatewindow.y;
348 case ConfigureNotify :
349 win_x = event.xconfigure.x;
350 win_y = event.xconfigure.y;
356 /* move the mouse to the window center again */
357 p_mouse_x = vid.width / 2;
358 p_mouse_y = vid.height / 2;
359 XWarpPointer(dpy, None, win, 0, 0, 0, 0, p_mouse_x, p_mouse_y);
364 static void IN_DeactivateMouse( void )
366 if (!mouse_avail || !dpy || !win)
371 mouse_active = false;
375 static void IN_ActivateMouse( void )
377 if (!mouse_avail || !dpy || !win)
381 mouse_x = mouse_y = 0; // don't spazz
388 void VID_Shutdown(void)
397 XF86VidModeSwitchToMode(dpy, scrnum, vidmodes[0]);
398 /* Disabled, causes a segfault during shutdown.
400 glXDestroyContext(dpy, ctx);
403 XDestroyWindow(dpy, win);
406 vidmode_active = false;
412 void signal_handler(int sig)
414 printf("Received signal %d, exiting...\n", sig);
421 signal(SIGHUP, signal_handler);
422 signal(SIGINT, signal_handler);
423 signal(SIGQUIT, signal_handler);
424 signal(SIGILL, signal_handler);
425 signal(SIGTRAP, signal_handler);
426 signal(SIGIOT, signal_handler);
427 signal(SIGBUS, signal_handler);
428 signal(SIGFPE, signal_handler);
429 signal(SIGSEGV, signal_handler);
430 signal(SIGTERM, signal_handler);
433 void VID_CheckMultitexture(void)
436 qglMTexCoord2f = NULL;
437 qglSelectTexture = NULL;
438 // Check to see if multitexture is disabled
439 if (COM_CheckParm("-nomtex"))
441 Con_Printf("...multitexture disabled\n");
444 if ((prjobj = dlopen(NULL, RTLD_LAZY)) == NULL)
446 Con_Printf("Unable to open symbol list for main program.\n");
449 // Test for ARB_multitexture
450 if (!COM_CheckParm("-SGISmtex") && strstr(gl_extensions, "GL_ARB_multitexture "))
452 Con_Printf("...using GL_ARB_multitexture\n");
453 qglMTexCoord2f = (void *) dlsym(prjobj, "glMultiTexCoord2fARB");
454 qglSelectTexture = (void *) dlsym(prjobj, "glActiveTextureARB");
456 gl_mtex_enum = GL_TEXTURE0_ARB;
458 else if (strstr(gl_extensions, "GL_SGIS_multitexture ")) // Test for SGIS_multitexture (if ARB_multitexture not found)
460 Con_Printf("...using GL_SGIS_multitexture\n");
461 qglMTexCoord2f = (void *) dlsym(prjobj, "glMTexCoord2fSGIS");
462 qglSelectTexture = (void *) dlsym(prjobj, "glSelectTextureSGIS");
464 gl_mtex_enum = TEXTURE0_SGIS;
467 Con_Printf("...multitexture disabled (not detected)\n");
471 void VID_CheckCVA(void)
474 qglLockArraysEXT = NULL;
475 qglUnlockArraysEXT = NULL;
476 gl_supportslockarrays = false;
477 if (COM_CheckParm("-nocva"))
479 Con_Printf("...compiled vertex arrays disabled\n");
482 if ((prjobj = dlopen(NULL, RTLD_LAZY)) == NULL)
484 Con_Printf("Unable to open symbol list for main program.\n");
487 if (strstr(gl_extensions, "GL_EXT_compiled_vertex_array"))
489 Con_Printf("...using compiled vertex arrays\n");
490 qglLockArraysEXT = (void *) dlsym(prjobj, "glLockArraysEXT");
491 qglUnlockArraysEXT = (void *) dlsym(prjobj, "glUnlockArraysEXT");
492 gl_supportslockarrays = true;
503 void GL_BeginRendering (int *x, int *y, int *width, int *height)
507 *height = scr_height;
509 // glViewport (*x, *y, *width, *height);
513 void GL_EndRendering (void)
518 glXSwapBuffers(dpy, win);
521 int VID_SetGamma(float prescale, float gamma, float scale, float base)
538 // char gldir[MAX_OSPATH];
539 int width = 640, height = 480;
540 XSetWindowAttributes attr;
543 XVisualInfo *visinfo;
544 qboolean fullscreen = true;
545 int MajorVersion, MinorVersion;
546 int actualWidth, actualHeight;
548 Cvar_RegisterVariable (&in_mouse);
549 Cvar_RegisterVariable (&in_dga);
550 Cvar_RegisterVariable (&in_dga_mouseaccel);
551 Cvar_RegisterVariable (&m_filter);
553 // interpret command-line params
555 // set vid parameters
556 if ((i = COM_CheckParm("-window")) != 0)
559 if ((i = COM_CheckParm("-width")) != 0)
560 width = atoi(com_argv[i+1]);
562 if ((i = COM_CheckParm("-height")) != 0)
563 height = atoi(com_argv[i+1]);
565 if ((i = COM_CheckParm("-conwidth")) != 0)
566 vid.conwidth = atoi(com_argv[i+1]);
570 vid.conwidth &= 0xfff8; // make it a multiple of eight
572 if (vid.conwidth < 320)
575 // pick a conheight that matches with correct aspect
576 vid.conheight = vid.conwidth*3 / 4;
578 if ((i = COM_CheckParm("-conheight")) != 0)
579 vid.conheight = atoi(com_argv[i+1]);
580 if (vid.conheight < 200)
583 if (!(dpy = XOpenDisplay(NULL))) {
584 fprintf(stderr, "Error couldn't open the X display\n");
588 scrnum = DefaultScreen(dpy);
589 root = RootWindow(dpy, scrnum);
591 // Get video mode list
592 MajorVersion = MinorVersion = 0;
593 if (!XF86VidModeQueryVersion(dpy, &MajorVersion, &MinorVersion)) {
596 Con_Printf("Using XFree86-VidModeExtension Version %d.%d\n", MajorVersion, MinorVersion);
600 visinfo = glXChooseVisual(dpy, scrnum, attrib);
602 fprintf(stderr, "qkHack: Error couldn't get an RGB, Double-buffered, Depth visual\n");
607 int best_fit, best_dist, dist, x, y;
609 XF86VidModeGetAllModeLines(dpy, scrnum, &num_vidmodes, &vidmodes);
611 // Are we going fullscreen? If so, let's change video mode
616 for (i = 0; i < num_vidmodes; i++) {
617 if (width > vidmodes[i]->hdisplay ||
618 height > vidmodes[i]->vdisplay)
621 x = width - vidmodes[i]->hdisplay;
622 y = height - vidmodes[i]->vdisplay;
623 dist = (x * x) + (y * y);
624 if (dist < best_dist) {
630 if (best_fit != -1) {
631 actualWidth = vidmodes[best_fit]->hdisplay;
632 actualHeight = vidmodes[best_fit]->vdisplay;
634 // change to the mode
635 XF86VidModeSwitchToMode(dpy, scrnum, vidmodes[best_fit]);
636 vidmode_active = true;
638 // Move the viewport to top left
639 XF86VidModeSetViewPort(dpy, scrnum, 0, 0);
645 /* window attributes */
646 attr.background_pixel = 0;
647 attr.border_pixel = 0;
648 attr.colormap = XCreateColormap(dpy, root, visinfo->visual, AllocNone);
649 attr.event_mask = X_MASK;
650 if (vidmode_active) {
651 mask = CWBackPixel | CWColormap | CWSaveUnder | CWBackingStore |
652 CWEventMask | CWOverrideRedirect;
653 attr.override_redirect = True;
654 attr.backing_store = NotUseful;
655 attr.save_under = False;
657 mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
659 win = XCreateWindow(dpy, root, 0, 0, width, height,
660 0, visinfo->depth, InputOutput,
661 visinfo->visual, mask, &attr);
662 XMapWindow(dpy, win);
664 if (vidmode_active) {
665 XMoveWindow(dpy, win, 0, 0);
666 XRaiseWindow(dpy, win);
667 XWarpPointer(dpy, None, win, 0, 0, 0, 0, 0, 0);
669 // Move the viewport to top left
670 XF86VidModeSetViewPort(dpy, scrnum, 0, 0);
675 ctx = glXCreateContext(dpy, visinfo, NULL, True);
677 glXMakeCurrent(dpy, win, ctx);
682 if (vid.conheight > height)
683 vid.conheight = height;
684 if (vid.conwidth > width)
685 vid.conwidth = width;
686 vid.width = vid.conwidth;
687 vid.height = vid.conheight;
689 vid.aspect = ((float)vid.height / (float)vid.width) * (320.0 / 240.0);
691 InitSig(); // trap evil signals
695 Con_SafePrintf ("Video mode %dx%d initialized.\n", width, height);
697 vid.recalc_refdef = 1; // force a surface cache flush
702 void Sys_SendKeyEvents(void)
707 void Force_CenterView_f (void)
709 cl.viewangles[PITCH] = 0;
716 void IN_Shutdown(void)
725 void IN_Commands (void)
730 if (vidmode_active || key_dest == key_game)
733 IN_DeactivateMouse ();
741 void IN_MouseMove (usercmd_t *cmd)
749 if (m_filter.value) {
750 mouse_x = (mouse_x + old_mouse_x) * 0.5;
751 mouse_y = (mouse_y + old_mouse_y) * 0.5;
753 old_mouse_x = mouse_x;
754 old_mouse_y = mouse_y;
757 mouse_x *= sensitivity.value;
758 mouse_y *= sensitivity.value;
760 if (in_strafe.state & 1)
761 cmd->sidemove += m_side.value * mouse_x;
763 cl.viewangles[YAW] -= m_yaw.value * mouse_x;
768 if (/*freelook && */!(in_strafe.state & 1)) {
769 cl.viewangles[PITCH] += m_pitch.value * mouse_y;
770 cl.viewangles[PITCH] = bound (-70, cl.viewangles[PITCH], 80);
772 if ((in_strafe.state & 1) && noclip_anglehack)
773 cmd->upmove -= m_forward.value * mouse_y;
775 cmd->forwardmove -= m_forward.value * mouse_y;
777 mouse_x = mouse_y = 0.0;
780 void IN_Move (usercmd_t *cmd)