/* Copyright (C) 1997-2001 Id Software, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* ** RW_X11.C ** ** This file contains ALL Linux specific stuff having to do with the ** software refresh. When a port is being made the following functions ** must be implemented by the port: ** ** SWimp_EndFrame ** SWimp_Init ** SWimp_InitGraphics ** SWimp_SetPalette ** SWimp_Shutdown ** SWimp_SwitchFullscreen */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "../ref_soft/r_local.h" #include "../client/keys.h" #include "../linux/rw_linux.h" /*****************************************************************************/ static qboolean doShm; static Display *dpy; static Colormap x_cmap; static Window win; static GC x_gc; static Visual *x_vis; static XVisualInfo *x_visinfo; static int win_x, win_y; #define KEY_MASK (KeyPressMask | KeyReleaseMask) #define MOUSE_MASK (ButtonPressMask | ButtonReleaseMask | \ PointerMotionMask | ButtonMotionMask ) #define X_MASK (KEY_MASK | MOUSE_MASK | VisibilityChangeMask | StructureNotifyMask | ExposureMask ) static int x_shmeventtype; //static XShmSegmentInfo x_shminfo; static qboolean oktodraw = false; static qboolean ignorefirst = false; static qboolean exposureflag = false; static qboolean X11_active = false; int XShmQueryExtension(Display *); int XShmGetEventBase(Display *); int current_framebuffer; static XImage *x_framebuffer[2] = { 0, 0 }; static XShmSegmentInfo x_shminfo[2]; int config_notify=0; int config_notify_width; int config_notify_height; typedef unsigned short PIXEL16; typedef unsigned long PIXEL24; static PIXEL16 st2d_8to16table[256]; static PIXEL24 st2d_8to24table[256]; static int shiftmask_fl=0; static long r_shift,g_shift,b_shift; static unsigned long r_mask,g_mask,b_mask; void shiftmask_init(void) { unsigned int x; r_mask=x_vis->red_mask; g_mask=x_vis->green_mask; b_mask=x_vis->blue_mask; for(r_shift=-8,x=1;x0) { p=(r<<(r_shift))&r_mask; } else if(r_shift<0) { p=(r>>(-r_shift))&r_mask; } else p|=(r&r_mask); if(g_shift>0) { p|=(g<<(g_shift))&g_mask; } else if(g_shift<0) { p|=(g>>(-g_shift))&g_mask; } else p|=(g&g_mask); if(b_shift>0) { p|=(b<<(b_shift))&b_mask; } else if(b_shift<0) { p|=(b>>(-b_shift))&b_mask; } else p|=(b&b_mask); return p; } PIXEL24 xlib_rgb24(int r,int g,int b) { PIXEL24 p; if(shiftmask_fl==0) shiftmask_init(); p=0; if(r_shift>0) { p=(r<<(r_shift))&r_mask; } else if(r_shift<0) { p=(r>>(-r_shift))&r_mask; } else p|=(r&r_mask); if(g_shift>0) { p|=(g<<(g_shift))&g_mask; } else if(g_shift<0) { p|=(g>>(-g_shift))&g_mask; } else p|=(g&g_mask); if(b_shift>0) { p|=(b<<(b_shift))&b_mask; } else if(b_shift<0) { p|=(b>>(-b_shift))&b_mask; } else p|=(b&b_mask); return p; } void st2_fixup( XImage *framebuf, int x, int y, int width, int height) { int yi; unsigned char *src; PIXEL16 *dest; register int count, n; if( (x<0)||(y<0) )return; for (yi = y; yi < (y+height); yi++) { src = &framebuf->data [yi * framebuf->bytes_per_line]; // Duff's Device count = width; n = (count + 7) / 8; dest = ((PIXEL16 *)src) + x+width - 1; src += x+width - 1; switch (count % 8) { case 0: do { *dest-- = st2d_8to16table[*src--]; case 7: *dest-- = st2d_8to16table[*src--]; case 6: *dest-- = st2d_8to16table[*src--]; case 5: *dest-- = st2d_8to16table[*src--]; case 4: *dest-- = st2d_8to16table[*src--]; case 3: *dest-- = st2d_8to16table[*src--]; case 2: *dest-- = st2d_8to16table[*src--]; case 1: *dest-- = st2d_8to16table[*src--]; } while (--n > 0); } // for(xi = (x+width-1); xi >= x; xi--) { // dest[xi] = st2d_8to16table[src[xi]]; // } } } void st3_fixup( XImage *framebuf, int x, int y, int width, int height) { int yi; unsigned char *src; PIXEL24 *dest; register int count, n; if( (x<0)||(y<0) )return; for (yi = y; yi < (y+height); yi++) { src = &framebuf->data [yi * framebuf->bytes_per_line]; // Duff's Device count = width; n = (count + 7) / 8; dest = ((PIXEL24 *)src) + x+width - 1; src += x+width - 1; switch (count % 8) { case 0: do { *dest-- = st2d_8to24table[*src--]; case 7: *dest-- = st2d_8to24table[*src--]; case 6: *dest-- = st2d_8to24table[*src--]; case 5: *dest-- = st2d_8to24table[*src--]; case 4: *dest-- = st2d_8to24table[*src--]; case 3: *dest-- = st2d_8to24table[*src--]; case 2: *dest-- = st2d_8to24table[*src--]; case 1: *dest-- = st2d_8to24table[*src--]; } while (--n > 0); } // for(xi = (x+width-1); xi >= x; xi--) { // dest[xi] = st2d_8to16table[src[xi]]; // } } } // Console variables that we need to access from this module /*****************************************************************************/ /* MOUSE */ /*****************************************************************************/ // this is inside the renderer shared lib, so these are called from vid_so static qboolean mouse_avail; static int mouse_buttonstate; static int mouse_oldbuttonstate; static int old_mouse_x, old_mouse_y; static int mx, my; static qboolean mouse_active = false; static qboolean dgamouse = false; static cvar_t *m_filter; static cvar_t *in_mouse; static cvar_t *in_dgamouse; static cvar_t *vid_xpos; // X coordinate of window position static cvar_t *vid_ypos; // Y coordinate of window position static qboolean mlooking; // state struct passed in Init static in_state_t *in_state; static cvar_t *sensitivity; static cvar_t *lookstrafe; static cvar_t *m_side; static cvar_t *m_yaw; static cvar_t *m_pitch; static cvar_t *m_forward; static cvar_t *freelook; static void Force_CenterView_f (void) { in_state->viewangles[PITCH] = 0; } static void RW_IN_MLookDown (void) { mlooking = true; } static void RW_IN_MLookUp (void) { mlooking = false; in_state->IN_CenterView_fp (); } void RW_IN_Init(in_state_t *in_state_p) { in_state = in_state_p; // mouse variables m_filter = ri.Cvar_Get ("m_filter", "0", 0); in_mouse = ri.Cvar_Get ("in_mouse", "0", CVAR_ARCHIVE); in_dgamouse = ri.Cvar_Get ("in_dgamouse", "1", CVAR_ARCHIVE); freelook = ri.Cvar_Get( "freelook", "0", 0 ); lookstrafe = ri.Cvar_Get ("lookstrafe", "0", 0); sensitivity = ri.Cvar_Get ("sensitivity", "3", 0); m_pitch = ri.Cvar_Get ("m_pitch", "0.022", 0); m_yaw = ri.Cvar_Get ("m_yaw", "0.022", 0); m_forward = ri.Cvar_Get ("m_forward", "1", 0); m_side = ri.Cvar_Get ("m_side", "0.8", 0); ri.Cmd_AddCommand ("+mlook", RW_IN_MLookDown); ri.Cmd_AddCommand ("-mlook", RW_IN_MLookUp); ri.Cmd_AddCommand ("force_centerview", Force_CenterView_f); mouse_avail = true; } void RW_IN_Shutdown(void) { mouse_avail = false; } /* =========== IN_Commands =========== */ void RW_IN_Commands (void) { int i; if (!mouse_avail) return; for (i=0 ; i<3 ; i++) { if ( (mouse_buttonstate & (1<Key_Event_fp (K_MOUSE1 + i, true); if ( !(mouse_buttonstate & (1<Key_Event_fp (K_MOUSE1 + i, false); } mouse_oldbuttonstate = mouse_buttonstate; } /* =========== IN_Move =========== */ void RW_IN_Move (usercmd_t *cmd) { if (!mouse_avail) return; if (m_filter->value) { mx = (mx + old_mouse_x) * 0.5; my = (my + old_mouse_y) * 0.5; } old_mouse_x = mx; old_mouse_y = my; mx *= sensitivity->value; my *= sensitivity->value; // add mouse X/Y movement to cmd if ( (*in_state->in_strafe_state & 1) || (lookstrafe->value && mlooking )) cmd->sidemove += m_side->value * mx; else in_state->viewangles[YAW] -= m_yaw->value * mx; if ( (mlooking || freelook->value) && !(*in_state->in_strafe_state & 1)) { in_state->viewangles[PITCH] += m_pitch->value * my; } else { cmd->forwardmove -= m_forward->value * my; } mx = my = 0; } // ======================================================================== // makes a null cursor // ======================================================================== static Cursor CreateNullCursor(Display *display, Window root) { Pixmap cursormask; XGCValues xgc; GC gc; XColor dummycolour; Cursor cursor; cursormask = XCreatePixmap(display, root, 1, 1, 1/*depth*/); xgc.function = GXclear; gc = XCreateGC(display, cursormask, GCFunction, &xgc); XFillRectangle(display, cursormask, gc, 0, 0, 1, 1); dummycolour.pixel = 0; dummycolour.red = 0; dummycolour.flags = 04; cursor = XCreatePixmapCursor(display, cursormask, cursormask, &dummycolour,&dummycolour, 0,0); XFreePixmap(display,cursormask); XFreeGC(display,gc); return cursor; } static void install_grabs(void) { // inviso cursor XDefineCursor(dpy, win, CreateNullCursor(dpy, win)); XGrabPointer(dpy, win, True, 0, GrabModeAsync, GrabModeAsync, win, None, CurrentTime); if (in_dgamouse->value) { int MajorVersion, MinorVersion; if (!XF86DGAQueryVersion(dpy, &MajorVersion, &MinorVersion)) { // unable to query, probalby not supported ri.Con_Printf( PRINT_ALL, "Failed to detect XF86DGA Mouse\n" ); ri.Cvar_Set( "in_dgamouse", "0" ); } else { dgamouse = true; XF86DGADirectVideo(dpy, DefaultScreen(dpy), XF86DGADirectMouse); XWarpPointer(dpy, None, win, 0, 0, 0, 0, 0, 0); } } else XWarpPointer(dpy, None, win, 0, 0, 0, 0, vid.width / 2, vid.height / 2); XGrabKeyboard(dpy, win, False, GrabModeAsync, GrabModeAsync, CurrentTime); mouse_active = true; ignorefirst = true; // XSync(dpy, True); } static void uninstall_grabs(void) { if (!dpy || !win) return; if (dgamouse) { dgamouse = false; XF86DGADirectVideo(dpy, DefaultScreen(dpy), 0); } XUngrabPointer(dpy, CurrentTime); XUngrabKeyboard(dpy, CurrentTime); // inviso cursor XUndefineCursor(dpy, win); mouse_active = false; } static void IN_DeactivateMouse( void ) { if (!mouse_avail || !dpy || !win) return; if (mouse_active) { uninstall_grabs(); mouse_active = false; } } static void IN_ActivateMouse( void ) { if (!mouse_avail || !dpy || !win) return; if (!mouse_active) { mx = my = 0; // don't spazz install_grabs(); mouse_active = true; } } void RW_IN_Frame (void) { } void RW_IN_Activate(qboolean active) { if (active) IN_ActivateMouse(); else IN_DeactivateMouse (); } /*****************************************************************************/ void ResetFrameBuffer(void) { int mem; int pwidth; if (x_framebuffer[0]) { free(x_framebuffer[0]->data); free(x_framebuffer[0]); } // alloc an extra line in case we want to wrap, and allocate the z-buffer pwidth = x_visinfo->depth / 8; if (pwidth == 3) pwidth = 4; mem = ((vid.width*pwidth+7)&~7) * vid.height; x_framebuffer[0] = XCreateImage(dpy, x_vis, x_visinfo->depth, ZPixmap, 0, malloc(mem), vid.width, vid.height, 32, 0); if (!x_framebuffer[0]) Sys_Error("VID: XCreateImage failed\n"); vid.buffer = (byte*) (x_framebuffer[0]); } void ResetSharedFrameBuffers(void) { int size; int key; int minsize = getpagesize(); int frm; for (frm=0 ; frm<2 ; frm++) { // free up old frame buffer memory if (x_framebuffer[frm]) { XShmDetach(dpy, &x_shminfo[frm]); free(x_framebuffer[frm]); shmdt(x_shminfo[frm].shmaddr); } // create the image x_framebuffer[frm] = XShmCreateImage( dpy, x_vis, x_visinfo->depth, ZPixmap, 0, &x_shminfo[frm], vid.width, vid.height ); // grab shared memory size = x_framebuffer[frm]->bytes_per_line * x_framebuffer[frm]->height; if (size < minsize) Sys_Error("VID: Window must use at least %d bytes\n", minsize); key = random(); x_shminfo[frm].shmid = shmget((key_t)key, size, IPC_CREAT|0777); if (x_shminfo[frm].shmid==-1) Sys_Error("VID: Could not get any shared memory\n"); // attach to the shared memory segment x_shminfo[frm].shmaddr = (void *) shmat(x_shminfo[frm].shmid, 0, 0); ri.Con_Printf(PRINT_DEVELOPER, "MITSHM shared memory (id=%d, addr=0x%lx)\n", x_shminfo[frm].shmid, (long) x_shminfo[frm].shmaddr); x_framebuffer[frm]->data = x_shminfo[frm].shmaddr; // get the X server to attach to it if (!XShmAttach(dpy, &x_shminfo[frm])) Sys_Error("VID: XShmAttach() failed\n"); XSync(dpy, 0); shmctl(x_shminfo[frm].shmid, IPC_RMID, 0); } } // ======================================================================== // Tragic death handler // ======================================================================== void TragicDeath(int signal_num) { // XAutoRepeatOn(dpy); XCloseDisplay(dpy); Sys_Error("This death brought to you by the number %d\n", signal_num); } int XLateKey(XKeyEvent *ev) { int key; char buf[64]; KeySym keysym; key = 0; XLookupString(ev, buf, sizeof buf, &keysym, 0); switch(keysym) { case XK_KP_Page_Up: key = K_KP_PGUP; break; case XK_Page_Up: key = K_PGUP; break; case XK_KP_Page_Down: key = K_KP_PGDN; break; case XK_Page_Down: key = K_PGDN; break; case XK_KP_Home: key = K_KP_HOME; break; case XK_Home: key = K_HOME; break; case XK_KP_End: key = K_KP_END; break; case XK_End: key = K_END; break; case XK_KP_Left: key = K_KP_LEFTARROW; break; case XK_Left: key = K_LEFTARROW; break; case XK_KP_Right: key = K_KP_RIGHTARROW; break; case XK_Right: key = K_RIGHTARROW; break; case XK_KP_Down: key = K_KP_DOWNARROW; break; case XK_Down: key = K_DOWNARROW; break; case XK_KP_Up: key = K_KP_UPARROW; break; case XK_Up: key = K_UPARROW; break; case XK_Escape: key = K_ESCAPE; break; case XK_KP_Enter: key = K_KP_ENTER; break; case XK_Return: key = K_ENTER; break; case XK_Tab: key = K_TAB; break; case XK_F1: key = K_F1; break; case XK_F2: key = K_F2; break; case XK_F3: key = K_F3; break; case XK_F4: key = K_F4; break; case XK_F5: key = K_F5; break; case XK_F6: key = K_F6; break; case XK_F7: key = K_F7; break; case XK_F8: key = K_F8; break; case XK_F9: key = K_F9; break; case XK_F10: key = K_F10; break; case XK_F11: key = K_F11; break; case XK_F12: key = K_F12; break; case XK_BackSpace: key = K_BACKSPACE; break; case XK_KP_Delete: key = K_KP_DEL; break; case XK_Delete: key = K_DEL; break; case XK_Pause: key = K_PAUSE; break; case XK_Shift_L: case XK_Shift_R: key = K_SHIFT; break; case XK_Execute: case XK_Control_L: case XK_Control_R: key = K_CTRL; break; case XK_Alt_L: case XK_Meta_L: case XK_Alt_R: case XK_Meta_R: key = K_ALT; break; case XK_KP_Begin: key = K_KP_5; break; case XK_Insert:key = K_INS; break; case XK_KP_Insert: key = K_KP_INS; break; case XK_KP_Multiply: key = '*'; break; case XK_KP_Add: key = K_KP_PLUS; break; case XK_KP_Subtract: key = K_KP_MINUS; break; case XK_KP_Divide: key = K_KP_SLASH; break; #if 0 case 0x021: key = '1';break;/* [!] */ case 0x040: key = '2';break;/* [@] */ case 0x023: key = '3';break;/* [#] */ case 0x024: key = '4';break;/* [$] */ case 0x025: key = '5';break;/* [%] */ case 0x05e: key = '6';break;/* [^] */ case 0x026: key = '7';break;/* [&] */ case 0x02a: key = '8';break;/* [*] */ case 0x028: key = '9';;break;/* [(] */ case 0x029: key = '0';break;/* [)] */ case 0x05f: key = '-';break;/* [_] */ case 0x02b: key = '=';break;/* [+] */ case 0x07c: key = '\'';break;/* [|] */ case 0x07d: key = '[';break;/* [}] */ case 0x07b: key = ']';break;/* [{] */ case 0x022: key = '\'';break;/* ["] */ case 0x03a: key = ';';break;/* [:] */ case 0x03f: key = '/';break;/* [?] */ case 0x03e: key = '.';break;/* [>] */ case 0x03c: key = ',';break;/* [<] */ #endif default: key = *(unsigned char*)buf; if (key >= 'A' && key <= 'Z') key = key - 'A' + 'a'; break; } return key; } void HandleEvents(void) { XEvent event; int b; qboolean dowarp = false; int mwx = vid.width/2; int mwy = vid.height/2; while (XPending(dpy)) { XNextEvent(dpy, &event); switch(event.type) { case KeyPress: case KeyRelease: if (in_state && in_state->Key_Event_fp) in_state->Key_Event_fp (XLateKey(&event.xkey), event.type == KeyPress); break; case MotionNotify: if (ignorefirst) { ignorefirst = false; break; } if (mouse_active) { if (dgamouse) { mx += (event.xmotion.x + win_x) * 2; my += (event.xmotion.y + win_y) * 2; } else { mx += ((int)event.xmotion.x - mwx) * 2; my += ((int)event.xmotion.y - mwy) * 2; mwx = event.xmotion.x; mwy = event.xmotion.y; if (mx || my) dowarp = true; } } break; break; case ButtonPress: b=-1; if (event.xbutton.button == 1) b = 0; else if (event.xbutton.button == 2) b = 2; else if (event.xbutton.button == 3) b = 1; if (b>=0) mouse_buttonstate |= 1<=0) mouse_buttonstate &= ~(1<modified = false; vid_ypos->modified = false; win_x = event.xcreatewindow.x; win_y = event.xcreatewindow.y; break; case ConfigureNotify : ri.Cvar_Set( "vid_xpos", va("%d", event.xcreatewindow.x)); ri.Cvar_Set( "vid_ypos", va("%d", event.xcreatewindow.y)); vid_xpos->modified = false; vid_ypos->modified = false; win_x = event.xconfigure.x; win_y = event.xconfigure.y; config_notify_width = event.xconfigure.width; config_notify_height = event.xconfigure.height; if (config_notify_width != vid.width || config_notify_height != vid.height) XMoveResizeWindow(dpy, win, win_x, win_y, vid.width, vid.height); config_notify = 1; break; default: if (doShm && event.type == x_shmeventtype) oktodraw = true; if (event.type == Expose && !event.xexpose.count) exposureflag = true; } } if (dowarp) { /* move the mouse to the window center again */ XWarpPointer(dpy,None,win,0,0,0,0, vid.width/2,vid.height/2); } } /*****************************************************************************/ /* ** SWimp_Init ** ** This routine is responsible for initializing the implementation ** specific stuff in a software rendering subsystem. */ int SWimp_Init( void *hInstance, void *wndProc ) { vid_xpos = ri.Cvar_Get ("vid_xpos", "3", CVAR_ARCHIVE); vid_ypos = ri.Cvar_Get ("vid_ypos", "22", CVAR_ARCHIVE); // open the display dpy = XOpenDisplay(0); if (!dpy) { if (getenv("DISPLAY")) Sys_Error("VID: Could not open display [%s]\n", getenv("DISPLAY")); else Sys_Error("VID: Could not open local display\n"); } // catch signals so i can turn on auto-repeat { struct sigaction sa; sigaction(SIGINT, 0, &sa); sa.sa_handler = TragicDeath; sigaction(SIGINT, &sa, 0); sigaction(SIGTERM, &sa, 0); } return true; } /* ** SWimp_InitGraphics ** ** This initializes the software refresh's implementation specific ** graphics subsystem. In the case of Windows it creates DIB or ** DDRAW surfaces. ** ** The necessary width and height parameters are grabbed from ** vid.width and vid.height. */ static qboolean SWimp_InitGraphics( qboolean fullscreen ) { int i; XVisualInfo template; int num_visuals; int template_mask; Window root; srandom(getpid()); // free resources in use SWimp_Shutdown (); // let the sound and input subsystems know about the new window ri.Vid_NewWindow (vid.width, vid.height); // XAutoRepeatOff(dpy); // for debugging only XSynchronize(dpy, True); // check for command-line window size template_mask = 0; #if 0 // specify a visual id if ((pnum=COM_CheckParm("-visualid"))) { if (pnum >= com_argc-1) Sys_Error("VID: -visualid \n"); template.visualid = Q_atoi(com_argv[pnum+1]); template_mask = VisualIDMask; } // If not specified, use default visual else #endif { int screen; screen = XDefaultScreen(dpy); template.visualid = XVisualIDFromVisual(XDefaultVisual(dpy, screen)); template_mask = VisualIDMask; } // pick a visual- warn if more than one was available x_visinfo = XGetVisualInfo(dpy, template_mask, &template, &num_visuals); if (num_visuals > 1) { printf("Found more than one visual id at depth %d:\n", template.depth); for (i=0 ; ivisualid)); printf(" screen %d\n", x_visinfo->screen); printf(" red_mask 0x%x\n", (int)(x_visinfo->red_mask)); printf(" green_mask 0x%x\n", (int)(x_visinfo->green_mask)); printf(" blue_mask 0x%x\n", (int)(x_visinfo->blue_mask)); printf(" colormap_size %d\n", x_visinfo->colormap_size); printf(" bits_per_rgb %d\n", x_visinfo->bits_per_rgb); #endif x_vis = x_visinfo->visual; root = XRootWindow(dpy, x_visinfo->screen); // setup attributes for main window { int attribmask = CWEventMask | CWColormap | CWBorderPixel; XSetWindowAttributes attribs; Colormap tmpcmap; tmpcmap = XCreateColormap(dpy, root, x_vis, AllocNone); attribs.event_mask = X_MASK; attribs.border_pixel = 0; attribs.colormap = tmpcmap; // create the main window win = XCreateWindow(dpy, root, (int)vid_xpos->value, (int)vid_ypos->value, vid.width, vid.height, 0, x_visinfo->depth, InputOutput, x_vis, attribmask, &attribs ); XStoreName(dpy, win, "Quake II"); if (x_visinfo->class != TrueColor) XFreeColormap(dpy, tmpcmap); } if (x_visinfo->depth == 8) { // create and upload the palette if (x_visinfo->class == PseudoColor) { x_cmap = XCreateColormap(dpy, win, x_vis, AllocAll); XSetWindowColormap(dpy, win, x_cmap); } } // create the GC { XGCValues xgcvalues; int valuemask = GCGraphicsExposures; xgcvalues.graphics_exposures = False; x_gc = XCreateGC(dpy, win, valuemask, &xgcvalues ); } XMapWindow(dpy, win); XMoveWindow(dpy, win, (int)vid_xpos->value, (int)vid_ypos->value); // wait for first exposure event { exposureflag = false; do { HandleEvents(); } while (!exposureflag); } // now safe to draw // even if MITSHM is available, make sure it's a local connection if (XShmQueryExtension(dpy)) { char *displayname; doShm = true; displayname = (char *) getenv("DISPLAY"); if (displayname) { char *d = displayname; while (*d && (*d != ':')) d++; if (*d) *d = 0; if (!(!strcasecmp(displayname, "unix") || !*displayname)) doShm = false; } } if (doShm) { x_shmeventtype = XShmGetEventBase(dpy) + ShmCompletion; ResetSharedFrameBuffers(); } else ResetFrameBuffer(); current_framebuffer = 0; vid.rowbytes = x_framebuffer[0]->bytes_per_line; vid.buffer = x_framebuffer[0]->data; // XSynchronize(dpy, False); X11_active = true; return true; } /* ** SWimp_EndFrame ** ** This does an implementation specific copy from the backbuffer to the ** front buffer. In the Win32 case it uses BitBlt or BltFast depending ** on whether we're using DIB sections/GDI or DDRAW. */ void SWimp_EndFrame (void) { // if the window changes dimension, skip this frame #if 0 if (config_notify) { fprintf(stderr, "config notify\n"); config_notify = 0; vid.width = config_notify_width & ~7; vid.height = config_notify_height; if (doShm) ResetSharedFrameBuffers(); else ResetFrameBuffer(); vid.rowbytes = x_framebuffer[0]->bytes_per_line; vid.buffer = x_framebuffer[current_framebuffer]->data; vid.recalc_refdef = 1; // force a surface cache flush Con_CheckResize(); Con_Clear_f(); return; } #endif if (doShm) { if (x_visinfo->depth == 16) st2_fixup( x_framebuffer[current_framebuffer], 0, 0, vid.width, vid.height); else if (x_visinfo->depth == 24) st3_fixup( x_framebuffer[current_framebuffer], 0, 0, vid.width, vid.height); if (!XShmPutImage(dpy, win, x_gc, x_framebuffer[current_framebuffer], 0, 0, 0, 0, vid.width, vid.height, True)) Sys_Error("VID_Update: XShmPutImage failed\n"); oktodraw = false; while (!oktodraw) HandleEvents(); current_framebuffer = !current_framebuffer; vid.buffer = x_framebuffer[current_framebuffer]->data; XSync(dpy, False); } else { if (x_visinfo->depth == 16) st2_fixup( x_framebuffer[current_framebuffer], 0, 0, vid.width, vid.height); else if (x_visinfo->depth == 24) st3_fixup( x_framebuffer[current_framebuffer], 0, 0, vid.width, vid.height); XPutImage(dpy, win, x_gc, x_framebuffer[0], 0, 0, 0, 0, vid.width, vid.height); XSync(dpy, False); } } /* ** SWimp_SetMode */ rserr_t SWimp_SetMode( int *pwidth, int *pheight, int mode, qboolean fullscreen ) { rserr_t retval = rserr_ok; ri.Con_Printf (PRINT_ALL, "setting mode %d:", mode ); if ( !ri.Vid_GetModeInfo( pwidth, pheight, mode ) ) { ri.Con_Printf( PRINT_ALL, " invalid mode\n" ); return rserr_invalid_mode; } ri.Con_Printf( PRINT_ALL, " %d %d\n", *pwidth, *pheight); if ( !SWimp_InitGraphics( false ) ) { // failed to set a valid mode in windowed mode return rserr_invalid_mode; } R_GammaCorrectAndSetPalette( ( const unsigned char * ) d_8to24table ); return retval; } /* ** SWimp_SetPalette ** ** System specific palette setting routine. A NULL palette means ** to use the existing palette. The palette is expected to be in ** a padded 4-byte xRGB format. */ void SWimp_SetPalette( const unsigned char *palette ) { int i; XColor colors[256]; if (!X11_active) return; if ( !palette ) palette = ( const unsigned char * ) sw_state.currentpalette; for(i=0;i<256;i++) { st2d_8to16table[i]= xlib_rgb16(palette[i*4], palette[i*4+1],palette[i*4+2]); st2d_8to24table[i]= xlib_rgb24(palette[i*4], palette[i*4+1],palette[i*4+2]); } if (x_visinfo->class == PseudoColor && x_visinfo->depth == 8) { for (i=0 ; i<256 ; i++) { colors[i].pixel = i; colors[i].flags = DoRed|DoGreen|DoBlue; colors[i].red = palette[i*4] * 257; colors[i].green = palette[i*4+1] * 257; colors[i].blue = palette[i*4+2] * 257; } XStoreColors(dpy, x_cmap, colors, 256); } } /* ** SWimp_Shutdown ** ** System specific graphics subsystem shutdown routine. Destroys ** DIBs or DDRAW surfaces as appropriate. */ void SWimp_Shutdown( void ) { int i; if (!X11_active) return; if (doShm) { for (i = 0; i < 2; i++) if (x_framebuffer[i]) { XShmDetach(dpy, &x_shminfo[i]); free(x_framebuffer[i]); shmdt(x_shminfo[i].shmaddr); x_framebuffer[i] = NULL; } } else if (x_framebuffer[0]) { free(x_framebuffer[0]->data); free(x_framebuffer[0]); x_framebuffer[0] = NULL; } XDestroyWindow( dpy, win ); // XAutoRepeatOn(dpy); // XCloseDisplay(dpy); X11_active = false; } /* ** SWimp_AppActivate */ void SWimp_AppActivate( qboolean active ) { } //=============================================================================== /* ================ Sys_MakeCodeWriteable ================ */ void Sys_MakeCodeWriteable (unsigned long startaddr, unsigned long length) { int r; unsigned long addr; int psize = getpagesize(); addr = (startaddr & ~(psize-1)) - psize; // fprintf(stderr, "writable code %lx(%lx)-%lx, length=%lx\n", startaddr, // addr, startaddr+length, length); r = mprotect((char*)addr, length + startaddr - addr + psize, 7); if (r < 0) Sys_Error("Protection change failed\n"); } /*****************************************************************************/ /* KEYBOARD */ /*****************************************************************************/ Key_Event_fp_t Key_Event_fp; void KBD_Init(Key_Event_fp_t fp) { Key_Event_fp = fp; } void KBD_Update(void) { // get events from x server HandleEvents(); } void KBD_Close(void) { }