/* * video_x.cpp - Video/graphics emulation, X11 specific stuff * * Basilisk II (C) 1997-1999 Christian Bauer * * 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 */ /* * NOTES: * The Ctrl key works like a qualifier for special actions: * Ctrl-Tab = suspend DGA mode * Ctrl-Esc = emergency quit * Ctrl-F1 = mount floppy */ #include "sysdeps.h" #include #include #include #include #include #include #include #include #include "cpu_emulation.h" #include "main.h" #include "adb.h" #include "macos_util.h" #include "prefs.h" #include "user_strings.h" #include "video.h" #define DEBUG 1 #include "debug.h" #if ENABLE_XF86_DGA #include #endif #if ENABLE_XF86_VIDMODE #include #endif #if ENABLE_FBDEV_DGA #include #endif // Display types enum { DISPLAY_WINDOW, // X11 window, using MIT SHM extensions if possible DISPLAY_DGA // DGA fullscreen display }; // Constants const char KEYCODE_FILE_NAME[] = DATADIR "/keycodes"; const char FBDEVICES_FILE_NAME[] = DATADIR "/fbdevices"; // Global variables static int32 frame_skip; // Prefs items static int16 mouse_wheel_mode = 1; static int16 mouse_wheel_lines = 3; static int display_type = DISPLAY_WINDOW; // See enum above static uint8 *the_buffer; // Mac frame buffer static bool redraw_thread_active = false; // Flag: Redraw thread installed static volatile bool redraw_thread_cancel = false; // Flag: Cancel Redraw thread static pthread_t redraw_thread; // Redraw thread static bool has_dga = false; // Flag: Video DGA capable static bool has_vidmode = false; // Flag: VidMode extension available static bool ctrl_down = false; // Flag: Ctrl key pressed static bool caps_on = false; // Flag: Caps Lock on static bool quit_full_screen = false; // Flag: DGA close requested from redraw thread static bool emerg_quit = false; // Flag: Ctrl-Esc pressed, emergency quit requested from MacOS thread static bool emul_suspended = false; // Flag: Emulator suspended static bool classic_mode = false; // Flag: Classic Mac video mode static bool use_keycodes = false; // Flag: Use keycodes rather than keysyms static int keycode_table[256]; // X keycode -> Mac keycode translation table // X11 variables static int screen; // Screen number static int xdepth; // Depth of X screen static int depth; // Depth of Mac frame buffer static Window rootwin, the_win; // Root window and our window static XVisualInfo visualInfo; static Visual *vis; static Colormap cmap[2]; // Two colormaps (DGA) for 8-bit mode static XColor black, white; static unsigned long black_pixel, white_pixel; static int eventmask; static const int win_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask | EnterWindowMask | ExposureMask; static const int dga_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask; static pthread_mutex_t palette_lock = PTHREAD_MUTEX_INITIALIZER; // Mutex to protect palette static XColor palette[256]; // Color palette for 8-bit mode static bool palette_changed = false; // Flag: Palette changed, redraw thread must set new colors // Variables for window mode static GC the_gc; static XImage *img = NULL; static XShmSegmentInfo shminfo; static XImage *cursor_image, *cursor_mask_image; static Pixmap cursor_map, cursor_mask_map; static Cursor mac_cursor; static GC cursor_gc, cursor_mask_gc; static uint8 *the_buffer_copy = NULL; // Copy of Mac frame buffer static uint8 the_cursor[64]; // Cursor image data static bool have_shm = false; // Flag: SHM extensions available // Variables for XF86 DGA mode static int current_dga_cmap; // Number (0 or 1) of currently installed DGA colormap static Window suspend_win; // "Suspend" window static void *fb_save = NULL; // Saved frame buffer for suspend static pthread_mutex_t frame_buffer_lock = PTHREAD_MUTEX_INITIALIZER; // Mutex to protect frame buffer // Variables for fbdev DGA mode const char FBDEVICE_FILE_NAME[] = "/dev/fb"; static int fbdev_fd; #if ENABLE_XF86_VIDMODE // Variables for XF86 VidMode support static XF86VidModeModeInfo **x_video_modes; // Array of all available modes static int num_x_video_modes; #endif // Prototypes static void *redraw_func(void *arg); static int event2keycode(XKeyEvent *ev); // From main_unix.cpp extern Display *x_display; // From sys_unix.cpp extern void SysMountFirstFloppy(void); /* * Initialization */ // Set VideoMonitor according to video mode void set_video_monitor(int width, int height, int bytes_per_row, bool native_byte_order) { int layout = FLAYOUT_DIRECT; switch (depth) { case 1: layout = FLAYOUT_DIRECT; VideoMonitor.mode = VMODE_1BIT; break; case 8: layout = FLAYOUT_DIRECT; VideoMonitor.mode = VMODE_8BIT; break; case 15: layout = FLAYOUT_HOST_555; VideoMonitor.mode = VMODE_16BIT; break; case 16: layout = FLAYOUT_HOST_565; VideoMonitor.mode = VMODE_16BIT; break; case 24: case 32: layout = FLAYOUT_HOST_888; VideoMonitor.mode = VMODE_32BIT; break; } VideoMonitor.x = width; VideoMonitor.y = height; VideoMonitor.bytes_per_row = bytes_per_row; if (native_byte_order) MacFrameLayout = layout; else MacFrameLayout = FLAYOUT_DIRECT; } // Trap SHM errors static bool shm_error = false; static int (*old_error_handler)(Display *, XErrorEvent *); static int error_handler(Display *d, XErrorEvent *e) { if (e->error_code == BadAccess) { shm_error = true; return 0; } else return old_error_handler(d, e); } // Init window mode static bool init_window(int width, int height) { // Set absolute mouse mode ADBSetRelMouseMode(false); // Read frame skip prefs frame_skip = PrefsFindInt32("frameskip"); if (frame_skip == 0) frame_skip = 1; // Create window XSetWindowAttributes wattr; wattr.event_mask = eventmask = win_eventmask; wattr.background_pixel = black_pixel; wattr.border_pixel = black_pixel; wattr.backing_store = Always; wattr.backing_planes = xdepth; XSync(x_display, false); the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth, InputOutput, vis, CWEventMask | CWBackPixel | CWBorderPixel | CWBackingStore | CWBackingPlanes, &wattr); XSync(x_display, false); XStoreName(x_display, the_win, GetString(STR_WINDOW_TITLE)); XMapRaised(x_display, the_win); XSync(x_display, false); // Set colormap if (depth == 8) { XSetWindowColormap(x_display, the_win, cmap[0]); XSetWMColormapWindows(x_display, the_win, &the_win, 1); } // Make window unresizable XSizeHints *hints; if ((hints = XAllocSizeHints()) != NULL) { hints->min_width = width; hints->max_width = width; hints->min_height = height; hints->max_height = height; hints->flags = PMinSize | PMaxSize; XSetWMNormalHints(x_display, the_win, hints); XFree((char *)hints); } // Try to create and attach SHM image have_shm = false; if (depth != 1 && XShmQueryExtension(x_display)) { // Create SHM image ("height + 2" for safety) img = XShmCreateImage(x_display, vis, depth, depth == 1 ? XYBitmap : ZPixmap, 0, &shminfo, width, height); shminfo.shmid = shmget(IPC_PRIVATE, (height + 2) * img->bytes_per_line, IPC_CREAT | 0777); the_buffer = (uint8 *)shmat(shminfo.shmid, 0, 0); shminfo.shmaddr = img->data = (char *)the_buffer; shminfo.readOnly = False; // Try to attach SHM image, catching errors shm_error = false; old_error_handler = XSetErrorHandler(error_handler); XShmAttach(x_display, &shminfo); XSync(x_display, false); XSetErrorHandler(old_error_handler); if (shm_error) { shmdt(shminfo.shmaddr); XDestroyImage(img); shminfo.shmid = -1; } else { have_shm = true; shmctl(shminfo.shmid, IPC_RMID, 0); } } // Create normal X image if SHM doesn't work ("height + 2" for safety) if (!have_shm) { int bytes_per_row = width; switch (depth) { case 1: bytes_per_row /= 8; break; case 15: case 16: bytes_per_row *= 2; break; case 24: case 32: bytes_per_row *= 4; break; } the_buffer = (uint8 *)malloc((height + 2) * bytes_per_row); img = XCreateImage(x_display, vis, depth, depth == 1 ? XYBitmap : ZPixmap, 0, (char *)the_buffer, width, height, 32, bytes_per_row); } // 1-Bit mode is big-endian if (depth == 1) { img->byte_order = MSBFirst; img->bitmap_bit_order = MSBFirst; } // Allocate memory for frame buffer copy the_buffer_copy = (uint8 *)malloc((height + 2) * img->bytes_per_line); // Create GC the_gc = XCreateGC(x_display, the_win, 0, 0); XSetState(x_display, the_gc, black_pixel, white_pixel, GXcopy, AllPlanes); // Create cursor cursor_image = XCreateImage(x_display, vis, 1, XYPixmap, 0, (char *)the_cursor, 16, 16, 16, 2); cursor_image->byte_order = MSBFirst; cursor_image->bitmap_bit_order = MSBFirst; cursor_mask_image = XCreateImage(x_display, vis, 1, XYPixmap, 0, (char *)the_cursor+32, 16, 16, 16, 2); cursor_mask_image->byte_order = MSBFirst; cursor_mask_image->bitmap_bit_order = MSBFirst; cursor_map = XCreatePixmap(x_display, the_win, 16, 16, 1); cursor_mask_map = XCreatePixmap(x_display, the_win, 16, 16, 1); cursor_gc = XCreateGC(x_display, cursor_map, 0, 0); cursor_mask_gc = XCreateGC(x_display, cursor_mask_map, 0, 0); mac_cursor = XCreatePixmapCursor(x_display, cursor_map, cursor_mask_map, &black, &white, 0, 0); // Set VideoMonitor #ifdef WORDS_BIGENDIAN set_video_monitor(width, height, img->bytes_per_line, img->bitmap_bit_order == MSBFirst); #else set_video_monitor(width, height, img->bytes_per_line, img->bitmap_bit_order == LSBFirst); #endif #if REAL_ADDRESSING VideoMonitor.mac_frame_base = (uint32)the_buffer; MacFrameLayout = FLAYOUT_DIRECT; #else VideoMonitor.mac_frame_base = MacFrameBaseMac; #endif return true; } // Init fbdev DGA display static bool init_fbdev_dga(char *in_fb_name) { #if ENABLE_FBDEV_DGA // Find the maximum depth available int ndepths, max_depth(0); int *depths = XListDepths(x_display, screen, &ndepths); if (depths == NULL) { printf("FATAL: Could not determine the maximal depth available\n"); return false; } else { while (ndepths-- > 0) { if (depths[ndepths] > max_depth) max_depth = depths[ndepths]; } } // Get fbdevices file path from preferences const char *fbd_path = PrefsFindString("fbdevicefile"); // Open fbdevices file FILE *fp = fopen(fbd_path ? fbd_path : FBDEVICES_FILE_NAME, "r"); if (fp == NULL) { char str[256]; sprintf(str, GetString(STR_NO_FBDEVICE_FILE_ERR), fbd_path ? fbd_path : FBDEVICES_FILE_NAME, strerror(errno)); ErrorAlert(str); return false; } int fb_depth; // supported depth uint32 fb_offset; // offset used for mmap(2) char fb_name[20]; char line[256]; bool device_found = false; while (fgets(line, 255, fp)) { // Read line int len = strlen(line); if (len == 0) continue; line[len - 1] = '\0'; // Comments begin with "#" or ";" if ((line[0] == '#') || (line[0] == ';') || (line[0] == '\0')) continue; if ((sscanf(line, "%19s %d %x", &fb_name, &fb_depth, &fb_offset) == 3) && (strcmp(fb_name, in_fb_name) == 0) && (fb_depth == max_depth)) { device_found = true; break; } } // fbdevices file completely read fclose(fp); // Frame buffer name not found ? Then, display warning if (!device_found) { char str[256]; sprintf(str, GetString(STR_FBDEV_NAME_ERR), in_fb_name, max_depth); ErrorAlert(str); return false; } int width = DisplayWidth(x_display, screen); int height = DisplayHeight(x_display, screen); depth = fb_depth; // max_depth // Set relative mouse mode ADBSetRelMouseMode(false); // Create window XSetWindowAttributes wattr; wattr.override_redirect = True; wattr.backing_store = NotUseful; wattr.background_pixel = white_pixel; wattr.border_pixel = black_pixel; wattr.event_mask = eventmask = dga_eventmask; XSync(x_display, false); the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth, InputOutput, vis, CWEventMask|CWBackPixel|CWBorderPixel|CWOverrideRedirect|CWBackingStore, &wattr); XSync(x_display, false); XMapRaised(x_display, the_win); XSync(x_display, false); // Grab mouse and keyboard XGrabKeyboard(x_display, the_win, True, GrabModeAsync, GrabModeAsync, CurrentTime); XGrabPointer(x_display, the_win, True, PointerMotionMask | ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, the_win, None, CurrentTime); // Set colormap if (depth == 8) { XSetWindowColormap(x_display, the_win, cmap[0]); XSetWMColormapWindows(x_display, the_win, &the_win, 1); } // Set VideoMonitor int bytes_per_row = width; switch (depth) { case 1: bytes_per_row = ((width | 7) & ~7) >> 3; break; case 15: case 16: bytes_per_row *= 2; break; case 24: case 32: bytes_per_row *= 4; break; } if ((the_buffer = (uint8 *) mmap(NULL, height * bytes_per_row, PROT_READ | PROT_WRITE, MAP_PRIVATE, fbdev_fd, fb_offset)) == MAP_FAILED) { if ((the_buffer = (uint8 *) mmap(NULL, height * bytes_per_row, PROT_READ | PROT_WRITE, MAP_SHARED, fbdev_fd, fb_offset)) == MAP_FAILED) { char str[256]; sprintf(str, GetString(STR_FBDEV_MMAP_ERR), strerror(errno)); ErrorAlert(str); return false; } } set_video_monitor(width, height, bytes_per_row, true); #if REAL_ADDRESSING VideoMonitor.mac_frame_base = (uint32)the_buffer; MacFrameLayout = FLAYOUT_DIRECT; #else VideoMonitor.mac_frame_base = MacFrameBaseMac; #endif return true; #else ErrorAlert("Basilisk II has been compiled with fbdev DGA support disabled."); return false; #endif } // Init XF86 DGA display static bool init_xf86_dga(int width, int height) { #if ENABLE_XF86_DGA // Set relative mouse mode ADBSetRelMouseMode(true); #if ENABLE_XF86_VIDMODE // Switch to best mode if (has_vidmode) { int best = 0; for (int i=1; ihdisplay >= width && x_video_modes[i]->vdisplay >= height && x_video_modes[i]->hdisplay <= x_video_modes[best]->hdisplay && x_video_modes[i]->vdisplay <= x_video_modes[best]->vdisplay) { best = i; } } XF86VidModeSwitchToMode(x_display, screen, x_video_modes[best]); XF86VidModeSetViewPort(x_display, screen, 0, 0); } #endif // Create window XSetWindowAttributes wattr; wattr.event_mask = eventmask = dga_eventmask; wattr.border_pixel = black_pixel; wattr.override_redirect = True; XSync(x_display, false); the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth, InputOutput, vis, CWEventMask | CWBorderPixel | CWOverrideRedirect, &wattr); XSync(x_display, false); XStoreName(x_display, the_win, GetString(STR_WINDOW_TITLE)); XMapRaised(x_display, the_win); XSync(x_display, false); // Establish direct screen connection XMoveResizeWindow(x_display, the_win, 0, 0, width, height); XWarpPointer(x_display, None, rootwin, 0, 0, 0, 0, 0, 0); XGrabKeyboard(x_display, rootwin, True, GrabModeAsync, GrabModeAsync, CurrentTime); XGrabPointer(x_display, rootwin, True, PointerMotionMask | ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime); int v_width, v_bank, v_size; XF86DGAGetVideo(x_display, screen, (char **)&the_buffer, &v_width, &v_bank, &v_size); XF86DGADirectVideo(x_display, screen, XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse); XF86DGASetViewPort(x_display, screen, 0, 0); XF86DGASetVidPage(x_display, screen, 0); // Set colormap if (depth == 8) { XSetWindowColormap(x_display, the_win, cmap[current_dga_cmap = 0]); XSetWMColormapWindows(x_display, the_win, &the_win, 1); XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]); } // Set VideoMonitor int bytes_per_row = (v_width + 7) & ~7; switch (depth) { case 1: bytes_per_row /= 8; break; case 15: case 16: bytes_per_row *= 2; break; case 24: case 32: bytes_per_row *= 4; break; } set_video_monitor(width, height, bytes_per_row, true); #if REAL_ADDRESSING VideoMonitor.mac_frame_base = (uint32)the_buffer; MacFrameLayout = FLAYOUT_DIRECT; #else VideoMonitor.mac_frame_base = MacFrameBaseMac; #endif return true; #else ErrorAlert("Basilisk II has been compiled with XF86 DGA support disabled."); return false; #endif } // Init keycode translation table static void keycode_init(void) { bool use_kc = PrefsFindBool("keycodes"); if (use_kc) { // Get keycode file path from preferences const char *kc_path = PrefsFindString("keycodefile"); // Open keycode table FILE *f = fopen(kc_path ? kc_path : KEYCODE_FILE_NAME, "r"); if (f == NULL) { char str[256]; sprintf(str, GetString(STR_KEYCODE_FILE_WARN), kc_path ? kc_path : KEYCODE_FILE_NAME, strerror(errno)); WarningAlert(str); return; } // Default translation table for (int i=0; i<256; i++) keycode_table[i] = -1; // Search for server vendor string, then read keycodes const char *vendor = ServerVendor(x_display); bool vendor_found = false; char line[256]; while (fgets(line, 255, f)) { // Read line int len = strlen(line); if (len == 0) continue; line[len-1] = 0; // Comments begin with "#" or ";" if (line[0] == '#' || line[0] == ';' || line[0] == 0) continue; if (vendor_found) { // Read keycode int x_code, mac_code; if (sscanf(line, "%d %d", &x_code, &mac_code) == 2) keycode_table[x_code & 0xff] = mac_code; else break; } else { // Search for vendor string if (strstr(vendor, line) == vendor) vendor_found = true; } } // Keycode file completely read fclose(f); use_keycodes = vendor_found; // Vendor not found? Then display warning if (!vendor_found) { char str[256]; sprintf(str, GetString(STR_KEYCODE_VENDOR_WARN), vendor, kc_path ? kc_path : KEYCODE_FILE_NAME); WarningAlert(str); return; } } } bool VideoInit(bool classic) { // Init keycode translation keycode_init(); // Read prefs mouse_wheel_mode = PrefsFindInt16("mousewheelmode"); mouse_wheel_lines = PrefsFindInt16("mousewheellines"); // Find screen and root window screen = XDefaultScreen(x_display); rootwin = XRootWindow(x_display, screen); // Get screen depth xdepth = DefaultDepth(x_display, screen); #if ENABLE_FBDEV_DGA // Frame buffer name char fb_name[20]; // Could do fbdev dga ? if ((fbdev_fd = open(FBDEVICE_FILE_NAME, O_RDWR)) != -1) has_dga = true; else has_dga = false; #endif #if ENABLE_XF86_DGA // DGA available? int dga_event_base, dga_error_base; if (XF86DGAQueryExtension(x_display, &dga_event_base, &dga_error_base)) { int dga_flags = 0; XF86DGAQueryDirectVideo(x_display, screen, &dga_flags); has_dga = dga_flags & XF86DGADirectPresent; } else has_dga = false; #endif #if ENABLE_XF86_VIDMODE // VidMode available? int vm_event_base, vm_error_base; has_vidmode = XF86VidModeQueryExtension(x_display, &vm_event_base, &vm_error_base); if (has_vidmode) XF86VidModeGetAllModeLines(x_display, screen, &num_x_video_modes, &x_video_modes); #endif // Find black and white colors XParseColor(x_display, DefaultColormap(x_display, screen), "rgb:00/00/00", &black); XAllocColor(x_display, DefaultColormap(x_display, screen), &black); XParseColor(x_display, DefaultColormap(x_display, screen), "rgb:ff/ff/ff", &white); XAllocColor(x_display, DefaultColormap(x_display, screen), &white); black_pixel = BlackPixel(x_display, screen); white_pixel = WhitePixel(x_display, screen); // Get appropriate visual int color_class; switch (xdepth) { case 1: color_class = StaticGray; break; case 8: color_class = PseudoColor; break; case 15: case 16: case 24: case 32: color_class = TrueColor; break; default: ErrorAlert(GetString(STR_UNSUPP_DEPTH_ERR)); return false; } if (!XMatchVisualInfo(x_display, screen, xdepth, color_class, &visualInfo)) { ErrorAlert(GetString(STR_NO_XVISUAL_ERR)); return false; } if (visualInfo.depth != xdepth) { ErrorAlert(GetString(STR_NO_XVISUAL_ERR)); return false; } vis = visualInfo.visual; // Mac screen depth is always 1 bit in Classic mode, but follows X depth otherwise classic_mode = classic; if (classic) depth = 1; else depth = xdepth; // Create color maps for 8 bit mode if (depth == 8) { cmap[0] = XCreateColormap(x_display, rootwin, vis, AllocAll); cmap[1] = XCreateColormap(x_display, rootwin, vis, AllocAll); XInstallColormap(x_display, cmap[0]); XInstallColormap(x_display, cmap[1]); } // Get screen mode from preferences const char *mode_str; if (classic) mode_str = "win/512/342"; else mode_str = PrefsFindString("screen"); // Determine type and mode int width = 512, height = 384; display_type = DISPLAY_WINDOW; if (mode_str) { if (sscanf(mode_str, "win/%d/%d", &width, &height) == 2) display_type = DISPLAY_WINDOW; #if ENABLE_FBDEV_DGA else if (has_dga && sscanf(mode_str, "dga/%19s", fb_name) == 1) { #else else if (has_dga && sscanf(mode_str, "dga/%d/%d", &width, &height) == 2) { #endif display_type = DISPLAY_DGA; if (width > DisplayWidth(x_display, screen)) width = DisplayWidth(x_display, screen); if (height > DisplayHeight(x_display, screen)) height = DisplayHeight(x_display, screen); } if (width <= 0) width = DisplayWidth(x_display, screen); if (height <= 0) height = DisplayHeight(x_display, screen); } // Initialize according to display type switch (display_type) { case DISPLAY_WINDOW: if (!init_window(width, height)) return false; break; case DISPLAY_DGA: #if ENABLE_FBDEV_DGA if (!init_fbdev_dga(fb_name)) #else if (!init_xf86_dga(width, height)) #endif return false; break; } // Lock down frame buffer pthread_mutex_lock(&frame_buffer_lock); #if !REAL_ADDRESSING // Set variables for UAE memory mapping MacFrameBaseHost = the_buffer; MacFrameSize = VideoMonitor.bytes_per_row * VideoMonitor.y; // No special frame buffer in Classic mode (frame buffer is in Mac RAM) if (classic) MacFrameLayout = FLAYOUT_NONE; #endif // Start redraw/input thread XSync(x_display, false); redraw_thread_active = (pthread_create(&redraw_thread, NULL, redraw_func, NULL) == 0); if (!redraw_thread_active) printf("FATAL: cannot create redraw thread\n"); return redraw_thread_active; } /* * Deinitialization */ void VideoExit(void) { // Stop redraw thread if (redraw_thread_active) { redraw_thread_cancel = true; #ifdef HAVE_PTHREAD_CANCEL pthread_cancel(redraw_thread); #endif pthread_join(redraw_thread, NULL); redraw_thread_active = false; } // Unlock frame buffer pthread_mutex_unlock(&frame_buffer_lock); // Close window and server connection if (x_display != NULL) { XSync(x_display, false); #if ENABLE_XF86_DGA if (display_type == DISPLAY_DGA) { XF86DGADirectVideo(x_display, screen, 0); XUngrabPointer(x_display, CurrentTime); XUngrabKeyboard(x_display, CurrentTime); } #endif #if ENABLE_XF86_VIDMODE if (has_vidmode && display_type == DISPLAY_DGA) XF86VidModeSwitchToMode(x_display, screen, x_video_modes[0]); #endif #if ENABLE_FBDEV_DGA if (display_type == DISPLAY_DGA) { XUngrabPointer(x_display, CurrentTime); XUngrabKeyboard(x_display, CurrentTime); close(fbdev_fd); } #endif if (the_buffer_copy) { free(the_buffer_copy); the_buffer_copy = NULL; } XFlush(x_display); XSync(x_display, false); if (depth == 8) { XFreeColormap(x_display, cmap[0]); XFreeColormap(x_display, cmap[1]); } } } /* * Close down full-screen mode (if bringing up error alerts is unsafe while in full-screen mode) */ void VideoQuitFullScreen(void) { D(bug("VideoQuitFullScreen()\n")); if (display_type == DISPLAY_DGA) quit_full_screen = true; } /* * Mac VBL interrupt */ void VideoInterrupt(void) { // Emergency quit requested? Then quit if (emerg_quit) QuitEmulator(); // Temporarily give up frame buffer lock (this is the point where // we are suspended when the user presses Ctrl-Tab) pthread_mutex_unlock(&frame_buffer_lock); pthread_mutex_lock(&frame_buffer_lock); } /* * Set palette */ void video_set_palette(uint8 *pal) { pthread_mutex_lock(&palette_lock); // Convert colors to XColor array for (int i=0; i<256; i++) { palette[i].pixel = i; palette[i].red = pal[i*3] * 0x0101; palette[i].green = pal[i*3+1] * 0x0101; palette[i].blue = pal[i*3+2] * 0x0101; palette[i].flags = DoRed | DoGreen | DoBlue; } // Tell redraw thread to change palette palette_changed = true; pthread_mutex_unlock(&palette_lock); } /* * Suspend/resume emulator */ #if ENABLE_XF86_DGA || ENABLE_FBDEV_DGA static void suspend_emul(void) { if (display_type == DISPLAY_DGA) { // Release ctrl key ADBKeyUp(0x36); ctrl_down = false; // Lock frame buffer (this will stop the MacOS thread) pthread_mutex_lock(&frame_buffer_lock); // Save frame buffer fb_save = malloc(VideoMonitor.y * VideoMonitor.bytes_per_row); if (fb_save) memcpy(fb_save, the_buffer, VideoMonitor.y * VideoMonitor.bytes_per_row); // Close full screen display #if ENABLE_XF86_DGA XF86DGADirectVideo(x_display, screen, 0); #endif XUngrabPointer(x_display, CurrentTime); XUngrabKeyboard(x_display, CurrentTime); XUnmapWindow(x_display, the_win); XSync(x_display, false); // Open "suspend" window XSetWindowAttributes wattr; wattr.event_mask = KeyPressMask; wattr.background_pixel = black_pixel; wattr.border_pixel = black_pixel; wattr.backing_store = Always; wattr.backing_planes = xdepth; wattr.colormap = DefaultColormap(x_display, screen); XSync(x_display, false); suspend_win = XCreateWindow(x_display, rootwin, 0, 0, 512, 1, 0, xdepth, InputOutput, vis, CWEventMask | CWBackPixel | CWBorderPixel | CWBackingStore | CWBackingPlanes | (xdepth == 8 ? CWColormap : 0), &wattr); XSync(x_display, false); XStoreName(x_display, suspend_win, GetString(STR_SUSPEND_WINDOW_TITLE)); XMapRaised(x_display, suspend_win); XSync(x_display, false); emul_suspended = true; } } static void resume_emul(void) { // Close "suspend" window XDestroyWindow(x_display, suspend_win); XSync(x_display, false); // Reopen full screen display XMapRaised(x_display, the_win); XWarpPointer(x_display, None, rootwin, 0, 0, 0, 0, 0, 0); XSync(x_display, false); XGrabKeyboard(x_display, rootwin, 1, GrabModeAsync, GrabModeAsync, CurrentTime); XGrabPointer(x_display, rootwin, 1, PointerMotionMask | ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime); #if ENABLE_XF86_DGA XF86DGADirectVideo(x_display, screen, XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse); XF86DGASetViewPort(x_display, screen, 0, 0); #endif XSync(x_display, false); // Restore frame buffer if (fb_save) { memcpy(the_buffer, fb_save, VideoMonitor.y * VideoMonitor.bytes_per_row); free(fb_save); fb_save = NULL; } if (depth == 8) #if ENABLE_XF86_DGA XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]); #endif // Unlock frame buffer (and continue MacOS thread) pthread_mutex_unlock(&frame_buffer_lock); emul_suspended = false; } #endif /* * Translate key event to Mac keycode */ static int kc_decode(KeySym ks) { switch (ks) { case XK_A: case XK_a: return 0x00; case XK_B: case XK_b: return 0x0b; case XK_C: case XK_c: return 0x08; case XK_D: case XK_d: return 0x02; case XK_E: case XK_e: return 0x0e; case XK_F: case XK_f: return 0x03; case XK_G: case XK_g: return 0x05; case XK_H: case XK_h: return 0x04; case XK_I: case XK_i: return 0x22; case XK_J: case XK_j: return 0x26; case XK_K: case XK_k: return 0x28; case XK_L: case XK_l: return 0x25; case XK_M: case XK_m: return 0x2e; case XK_N: case XK_n: return 0x2d; case XK_O: case XK_o: return 0x1f; case XK_P: case XK_p: return 0x23; case XK_Q: case XK_q: return 0x0c; case XK_R: case XK_r: return 0x0f; case XK_S: case XK_s: return 0x01; case XK_T: case XK_t: return 0x11; case XK_U: case XK_u: return 0x20; case XK_V: case XK_v: return 0x09; case XK_W: case XK_w: return 0x0d; case XK_X: case XK_x: return 0x07; case XK_Y: case XK_y: return 0x10; case XK_Z: case XK_z: return 0x06; case XK_1: case XK_exclam: return 0x12; case XK_2: case XK_at: return 0x13; case XK_3: case XK_numbersign: return 0x14; case XK_4: case XK_dollar: return 0x15; case XK_5: case XK_percent: return 0x17; case XK_6: return 0x16; case XK_7: return 0x1a; case XK_8: return 0x1c; case XK_9: return 0x19; case XK_0: return 0x1d; case XK_grave: case XK_asciitilde: return 0x0a; case XK_minus: case XK_underscore: return 0x1b; case XK_equal: case XK_plus: return 0x18; case XK_bracketleft: case XK_braceleft: return 0x21; case XK_bracketright: case XK_braceright: return 0x1e; case XK_backslash: case XK_bar: return 0x2a; case XK_semicolon: case XK_colon: return 0x29; case XK_apostrophe: case XK_quotedbl: return 0x27; case XK_comma: case XK_less: return 0x2b; case XK_period: case XK_greater: return 0x2f; case XK_slash: case XK_question: return 0x2c; #if ENABLE_XF86_DGA || ENABLE_FBDEV_DGA case XK_Tab: if (ctrl_down) {suspend_emul(); return -1;} else return 0x30; #else case XK_Tab: return 0x30; #endif case XK_Return: return 0x24; case XK_space: return 0x31; case XK_BackSpace: return 0x33; case XK_Delete: return 0x75; case XK_Insert: return 0x72; case XK_Home: case XK_Help: return 0x73; case XK_End: return 0x77; #ifdef __hpux case XK_Prior: return 0x74; case XK_Next: return 0x79; #else case XK_Page_Up: return 0x74; case XK_Page_Down: return 0x79; #endif case XK_Control_L: return 0x36; case XK_Control_R: return 0x36; case XK_Shift_L: return 0x38; case XK_Shift_R: return 0x38; case XK_Alt_L: return 0x37; case XK_Alt_R: return 0x37; case XK_Meta_L: return 0x3a; case XK_Meta_R: return 0x3a; case XK_Menu: return 0x32; case XK_Caps_Lock: return 0x39; case XK_Num_Lock: return 0x47; case XK_Up: return 0x3e; case XK_Down: return 0x3d; case XK_Left: return 0x3b; case XK_Right: return 0x3c; case XK_Escape: if (ctrl_down) {quit_full_screen = true; emerg_quit = true; return -1;} else return 0x35; case XK_F1: if (ctrl_down) {SysMountFirstFloppy(); return -1;} else return 0x7a; case XK_F2: return 0x78; case XK_F3: return 0x63; case XK_F4: return 0x76; case XK_F5: return 0x60; case XK_F6: return 0x61; case XK_F7: return 0x62; case XK_F8: return 0x64; case XK_F9: return 0x65; case XK_F10: return 0x6d; case XK_F11: return 0x67; case XK_F12: return 0x6f; case XK_Print: return 0x69; case XK_Scroll_Lock: return 0x6b; case XK_Pause: return 0x71; #if defined(XK_KP_Prior) && defined(XK_KP_Left) && defined(XK_KP_Insert) && defined (XK_KP_End) case XK_KP_0: case XK_KP_Insert: return 0x52; case XK_KP_1: case XK_KP_End: return 0x53; case XK_KP_2: case XK_KP_Down: return 0x54; case XK_KP_3: case XK_KP_Next: return 0x55; case XK_KP_4: case XK_KP_Left: return 0x56; case XK_KP_5: case XK_KP_Begin: return 0x57; case XK_KP_6: case XK_KP_Right: return 0x58; case XK_KP_7: case XK_KP_Home: return 0x59; case XK_KP_8: case XK_KP_Up: return 0x5b; case XK_KP_9: case XK_KP_Prior: return 0x5c; case XK_KP_Decimal: case XK_KP_Delete: return 0x41; #else case XK_KP_0: return 0x52; case XK_KP_1: return 0x53; case XK_KP_2: return 0x54; case XK_KP_3: return 0x55; case XK_KP_4: return 0x56; case XK_KP_5: return 0x57; case XK_KP_6: return 0x58; case XK_KP_7: return 0x59; case XK_KP_8: return 0x5b; case XK_KP_9: return 0x5c; case XK_KP_Decimal: return 0x41; #endif case XK_KP_Add: return 0x45; case XK_KP_Subtract: return 0x4e; case XK_KP_Multiply: return 0x43; case XK_KP_Divide: return 0x4b; case XK_KP_Enter: return 0x4c; case XK_KP_Equal: return 0x51; } return -1; } static int event2keycode(XKeyEvent *ev) { KeySym ks; int as; int i = 0; do { ks = XLookupKeysym(ev, i++); as = kc_decode(ks); if (as != -1) return as; } while (ks != NoSymbol); return -1; } /* * X event handling */ static void handle_events(void) { XEvent event; for (;;) { if (!XCheckMaskEvent(x_display, eventmask, &event)) break; switch (event.type) { // Mouse button case ButtonPress: { unsigned int button = ((XButtonEvent *)&event)->button; if (button < 4) ADBMouseDown(button - 1); else if (button < 6) { // Wheel mouse if (mouse_wheel_mode == 0) { int key = (button == 5) ? 0x79 : 0x74; // Page up/down ADBKeyDown(key); ADBKeyUp(key); } else { int key = (button == 5) ? 0x3d : 0x3e; // Cursor up/down for(int i=0; ibutton; if (button < 4) ADBMouseUp(button - 1); break; } // Mouse moved case EnterNotify: ADBMouseMoved(((XMotionEvent *)&event)->x, ((XMotionEvent *)&event)->y); break; case MotionNotify: ADBMouseMoved(((XMotionEvent *)&event)->x, ((XMotionEvent *)&event)->y); break; // Keyboard case KeyPress: { int code; if (use_keycodes) { event2keycode((XKeyEvent *)&event); // This is called to process the hotkeys code = keycode_table[((XKeyEvent *)&event)->keycode & 0xff]; } else code = event2keycode((XKeyEvent *)&event); if (code != -1) { if (!emul_suspended) { if (code == 0x39) { // Caps Lock pressed if (caps_on) { ADBKeyUp(code); caps_on = false; } else { ADBKeyDown(code); caps_on = true; } } else ADBKeyDown(code); if (code == 0x36) ctrl_down = true; } else { #if ENABLE_XF86_DGA || ENABLE_FBDEV_DGA if (code == 0x31) resume_emul(); // Space wakes us up #endif } } break; } case KeyRelease: { int code; if (use_keycodes) { event2keycode((XKeyEvent *)&event); // This is called to process the hotkeys code = keycode_table[((XKeyEvent *)&event)->keycode & 0xff]; } else code = event2keycode((XKeyEvent *)&event); if (code != -1 && code != 0x39) { // Don't propagate Caps Lock releases ADBKeyUp(code); if (code == 0x36) ctrl_down = false; } break; } // Hidden parts exposed, force complete refresh of window case Expose: if (display_type == DISPLAY_WINDOW) memset(the_buffer_copy, 0, VideoMonitor.bytes_per_row * VideoMonitor.y); break; } } } /* * Window display update */ static void update_display(void) { // In classic mode, copy the frame buffer from Mac RAM if (classic_mode) Mac2Host_memcpy(the_buffer, 0x3fa700, VideoMonitor.bytes_per_row * VideoMonitor.y); // Incremental update code int wide = 0, high = 0, x1, x2, y1, y2, i, j; int bytes_per_row = VideoMonitor.bytes_per_row; int bytes_per_pixel = VideoMonitor.bytes_per_row / VideoMonitor.x; uint8 *p, *p2; // Check for first line from top and first line from bottom that have changed y1 = 0; for (j=0; j=y1; j--) { if (memcmp(&the_buffer[j * bytes_per_row], &the_buffer_copy[j * bytes_per_row], bytes_per_row)) { y2 = j; break; } } high = y2 - y1 + 1; // Check for first column from left and first column from right that have changed if (high) { if (depth == 1) { x1 = VideoMonitor.x; for (j=y1; j<=y2; j++) { p = &the_buffer[j * bytes_per_row]; p2 = &the_buffer_copy[j * bytes_per_row]; for (i=0; i<(x1>>3); i++) { if (*p != *p2) { x1 = i << 3; break; } p++; p2++; } } x2 = x1; for (j=y1; j<=y2; j++) { p = &the_buffer[j * bytes_per_row]; p2 = &the_buffer_copy[j * bytes_per_row]; p += bytes_per_row; p2 += bytes_per_row; for (i=(VideoMonitor.x>>3); i>(x2>>3); i--) { p--; p2--; if (*p != *p2) { x2 = i << 3; break; } } } wide = x2 - x1; // Update copy of the_buffer if (high && wide) { for (j=y1; j<=y2; j++) { i = j * bytes_per_row + (x1 >> 3); memcpy(&the_buffer_copy[i], &the_buffer[i], wide >> 3); } } } else { x1 = VideoMonitor.x; for (j=y1; j<=y2; j++) { p = &the_buffer[j * bytes_per_row]; p2 = &the_buffer_copy[j * bytes_per_row]; for (i=0; ix2; i--) { p -= bytes_per_pixel; p2 -= bytes_per_pixel; if (memcmp(p, p2, bytes_per_pixel)) { x2 = i; break; } } } wide = x2 - x1; // Update copy of the_buffer if (high && wide) { for (j=y1; j<=y2; j++) { i = j * bytes_per_row + x1 * bytes_per_pixel; memcpy(&the_buffer_copy[i], &the_buffer[i], bytes_per_pixel * wide); } } } } // Refresh display if (high && wide) { if (have_shm) XShmPutImage(x_display, the_win, the_gc, img, x1, y1, x1, y1, wide, high, 0); else XPutImage(x_display, the_win, the_gc, img, x1, y1, x1, y1, wide, high); } // Has the Mac started? (cursor data is not valid otherwise) if (HasMacStarted()) { // Set new cursor image if it was changed if (memcmp(the_cursor, Mac2HostAddr(0x844), 64)) { Mac2Host_memcpy(the_cursor, 0x844, 64); memcpy(cursor_image->data, the_cursor, 32); memcpy(cursor_mask_image->data, the_cursor+32, 32); XFreeCursor(x_display, mac_cursor); XPutImage(x_display, cursor_map, cursor_gc, cursor_image, 0, 0, 0, 0, 16, 16); XPutImage(x_display, cursor_mask_map, cursor_mask_gc, cursor_mask_image, 0, 0, 0, 0, 16, 16); mac_cursor = XCreatePixmapCursor(x_display, cursor_map, cursor_mask_map, &black, &white, ReadMacInt8(0x885), ReadMacInt8(0x887)); XDefineCursor(x_display, the_win, mac_cursor); } } } /* * Thread for screen refresh, input handling etc. */ static void *redraw_func(void *arg) { int tick_counter = 0; while (!redraw_thread_cancel) { // Wait #ifdef HAVE_NANOSLEEP struct timespec req = {0, 16666667}; nanosleep(&req, NULL); #else usleep(16667); #endif #if ENABLE_XF86_DGA // Quit DGA mode if requested if (quit_full_screen) { quit_full_screen = false; if (display_type == DISPLAY_DGA) { XF86DGADirectVideo(x_display, screen, 0); XUngrabPointer(x_display, CurrentTime); XUngrabKeyboard(x_display, CurrentTime); XUnmapWindow(x_display, the_win); XSync(x_display, false); } } #endif #if ENABLE_FBDEV_DGA // Quit DGA mode if requested if (quit_full_screen) { quit_full_screen = false; if (display_type == DISPLAY_DGA) { XUngrabPointer(x_display, CurrentTime); XUngrabKeyboard(x_display, CurrentTime); XUnmapWindow(x_display, the_win); XSync(x_display, false); } } #endif // Handle X events handle_events(); // Handle palette changes pthread_mutex_lock(&palette_lock); if (palette_changed) { palette_changed = false; if (depth == 8) { XStoreColors(x_display, cmap[0], palette, 256); XStoreColors(x_display, cmap[1], palette, 256); #if ENABLE_XF86_DGA if (display_type == DISPLAY_DGA) { current_dga_cmap ^= 1; XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]); } #endif } } pthread_mutex_unlock(&palette_lock); // In window mode, update display and mouse pointer if (display_type == DISPLAY_WINDOW) { tick_counter++; if (tick_counter >= frame_skip) { tick_counter = 0; update_display(); } } } return NULL; }