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/* |
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* video_x.cpp - Video/graphics emulation, X11 specific stuff |
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* |
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* Basilisk II (C) 1997-2001 Christian Bauer |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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|
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/* |
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* NOTES: |
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* The Ctrl key works like a qualifier for special actions: |
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* Ctrl-Tab = suspend DGA mode |
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* Ctrl-Esc = emergency quit |
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* Ctrl-F1 = mount floppy |
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*/ |
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|
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#include "sysdeps.h" |
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|
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#include <X11/Xlib.h> |
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#include <X11/Xutil.h> |
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#include <X11/keysym.h> |
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#include <X11/extensions/XShm.h> |
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#include <sys/ipc.h> |
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#include <sys/shm.h> |
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#include <errno.h> |
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|
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#ifdef HAVE_PTHREADS |
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# include <pthread.h> |
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#endif |
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|
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#ifdef ENABLE_XF86_DGA |
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# include <X11/extensions/xf86dga.h> |
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#endif |
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|
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#ifdef ENABLE_XF86_VIDMODE |
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# include <X11/extensions/xf86vmode.h> |
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#endif |
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|
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#ifdef ENABLE_FBDEV_DGA |
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# include <sys/mman.h> |
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#endif |
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|
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#include "cpu_emulation.h" |
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#include "main.h" |
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#include "adb.h" |
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#include "macos_util.h" |
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#include "prefs.h" |
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#include "user_strings.h" |
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#include "video.h" |
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|
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#define DEBUG 0 |
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#include "debug.h" |
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|
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|
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// Display types |
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enum { |
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DISPLAY_WINDOW, // X11 window, using MIT SHM extensions if possible |
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DISPLAY_DGA // DGA fullscreen display |
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}; |
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|
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// Constants |
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const char KEYCODE_FILE_NAME[] = DATADIR "/keycodes"; |
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const char FBDEVICES_FILE_NAME[] = DATADIR "/fbdevices"; |
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|
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|
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// Global variables |
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static int32 frame_skip; // Prefs items |
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static int16 mouse_wheel_mode = 1; |
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static int16 mouse_wheel_lines = 3; |
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|
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static int display_type = DISPLAY_WINDOW; // See enum above |
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static bool local_X11; // Flag: X server running on local machine? |
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static uint8 *the_buffer; // Mac frame buffer |
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|
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#ifdef HAVE_PTHREADS |
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static bool redraw_thread_active = false; // Flag: Redraw thread installed |
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static volatile bool redraw_thread_cancel; // Flag: Cancel Redraw thread |
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static pthread_t redraw_thread; // Redraw thread |
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#endif |
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|
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static bool has_dga = false; // Flag: Video DGA capable |
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static bool has_vidmode = false; // Flag: VidMode extension available |
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|
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static bool ctrl_down = false; // Flag: Ctrl key pressed |
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static bool caps_on = false; // Flag: Caps Lock on |
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static bool quit_full_screen = false; // Flag: DGA close requested from redraw thread |
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static bool emerg_quit = false; // Flag: Ctrl-Esc pressed, emergency quit requested from MacOS thread |
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static bool emul_suspended = false; // Flag: Emulator suspended |
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|
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static bool classic_mode = false; // Flag: Classic Mac video mode |
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|
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static bool use_keycodes = false; // Flag: Use keycodes rather than keysyms |
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static int keycode_table[256]; // X keycode -> Mac keycode translation table |
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|
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// X11 variables |
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static int screen; // Screen number |
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static int xdepth; // Depth of X screen |
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static Window rootwin, the_win; // Root window and our window |
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static XVisualInfo visualInfo; |
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static Visual *vis; |
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static Colormap cmap[2]; // Two colormaps (DGA) for 8-bit mode |
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static bool cmap_allocated = false; |
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static XColor black, white; |
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static unsigned long black_pixel, white_pixel; |
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static int eventmask; |
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static const int win_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask | EnterWindowMask | ExposureMask | StructureNotifyMask; |
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static const int dga_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask | StructureNotifyMask; |
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static Atom WM_DELETE_WINDOW = (Atom)0; |
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|
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static XColor palette[256]; // Color palette for 8-bit mode |
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static bool palette_changed = false; // Flag: Palette changed, redraw thread must set new colors |
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#ifdef HAVE_PTHREADS |
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static pthread_mutex_t palette_lock = PTHREAD_MUTEX_INITIALIZER; // Mutex to protect palette |
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#define LOCK_PALETTE pthread_mutex_lock(&palette_lock) |
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#define UNLOCK_PALETTE pthread_mutex_unlock(&palette_lock) |
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#else |
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#define LOCK_PALETTE |
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#define UNLOCK_PALETTE |
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#endif |
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|
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// Variables for window mode |
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static GC the_gc; |
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static XImage *img = NULL; |
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static XShmSegmentInfo shminfo; |
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static Cursor mac_cursor; |
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static uint8 *the_buffer_copy = NULL; // Copy of Mac frame buffer |
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static bool have_shm = false; // Flag: SHM extensions available |
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static bool updt_box[17][17]; // Flag for Update |
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static int nr_boxes; |
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static const int sm_uptd[] = {4,1,6,3,0,5,2,7}; |
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static int sm_no_boxes[] = {1,8,32,64,128,300}; |
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|
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// Variables for XF86 DGA mode |
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static int current_dga_cmap; // Number (0 or 1) of currently installed DGA colormap |
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static Window suspend_win; // "Suspend" window |
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static void *fb_save = NULL; // Saved frame buffer for suspend |
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#ifdef HAVE_PTHREADS |
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static pthread_mutex_t frame_buffer_lock = PTHREAD_MUTEX_INITIALIZER; // Mutex to protect frame buffer |
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#define LOCK_FRAME_BUFFER pthread_mutex_lock(&frame_buffer_lock); |
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#define UNLOCK_FRAME_BUFFER pthread_mutex_unlock(&frame_buffer_lock); |
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#else |
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#define LOCK_FRAME_BUFFER |
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#define UNLOCK_FRAME_BUFFER |
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#endif |
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|
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// Variables for fbdev DGA mode |
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const char FBDEVICE_FILE_NAME[] = "/dev/fb"; |
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static int fbdev_fd; |
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|
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#ifdef ENABLE_XF86_VIDMODE |
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// Variables for XF86 VidMode support |
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static XF86VidModeModeInfo **x_video_modes; // Array of all available modes |
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static int num_x_video_modes; |
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#endif |
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|
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#ifdef ENABLE_VOSF |
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static bool use_vosf = true; // Flag: VOSF enabled |
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#else |
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static const bool use_vosf = false; // Flag: VOSF enabled |
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#endif |
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|
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// VideoRefresh function |
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static void VideoRefreshInit(void); |
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static void (*video_refresh)(void); |
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|
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// Prototypes |
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static void *redraw_func(void *arg); |
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static int event2keycode(XKeyEvent &ev); |
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|
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// From main_unix.cpp |
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extern char *x_display_name; |
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extern Display *x_display; |
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|
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// From sys_unix.cpp |
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extern void SysMountFirstFloppy(void); |
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|
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|
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#ifdef ENABLE_VOSF |
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# include "video_vosf.h" |
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#endif |
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|
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|
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/* |
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* Initialization |
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*/ |
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|
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// Add mode to list of supported modes |
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static void add_mode(uint32 width, uint32 height, uint32 resolution_id, uint32 bytes_per_row, video_depth depth) |
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{ |
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video_mode mode; |
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mode.x = width; |
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mode.y = height; |
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mode.resolution_id = resolution_id; |
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mode.bytes_per_row = bytes_per_row; |
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mode.depth = depth; |
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VideoModes.push_back(mode); |
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} |
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|
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// Set Mac frame layout and base address (uses the_buffer/MacFrameBaseMac) |
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static void set_mac_frame_buffer(video_depth depth, bool native_byte_order) |
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{ |
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#if !REAL_ADDRESSING && !DIRECT_ADDRESSING |
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int layout = FLAYOUT_DIRECT; |
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if (depth == VDEPTH_16BIT) |
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layout = (xdepth == 15) ? FLAYOUT_HOST_555 : FLAYOUT_HOST_565; |
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else if (depth == VDEPTH_32BIT) |
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layour = (xdepth == 24) ? FLAYOUT_HOST_888 : FLAYOUT_DIRECT; |
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if (native_byte_order) |
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MacFrameLayout = layout; |
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else |
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MacFrameLayout = FLAYOUT_DIRECT; |
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VideoMonitor.mac_frame_base = MacFrameBaseMac; |
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#else |
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VideoMonitor.mac_frame_base = Host2MacAddr(the_buffer); |
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D(bug("Host frame buffer = %p, ", the_buffer)); |
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#endif |
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D(bug("VideoMonitor.mac_frame_base = %08x\n", VideoMonitor.mac_frame_base)); |
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} |
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|
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// Set window name and class |
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static void set_window_name(Window w, int name) |
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{ |
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const char *str = GetString(name); |
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XStoreName(x_display, w, str); |
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XSetIconName(x_display, w, str); |
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|
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XClassHint *hints; |
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hints = XAllocClassHint(); |
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if (hints) { |
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hints->res_name = "BasiliskII"; |
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hints->res_class = "BasiliskII"; |
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XSetClassHint(x_display, w, hints); |
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XFree(hints); |
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} |
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} |
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|
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// Set window input focus flag |
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static void set_window_focus(Window w) |
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{ |
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XWMHints *hints = XAllocWMHints(); |
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if (hints) { |
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hints->input = True; |
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hints->initial_state = NormalState; |
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hints->flags = InputHint | StateHint; |
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XSetWMHints(x_display, w, hints); |
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XFree(hints); |
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} |
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} |
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|
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// Set WM_DELETE_WINDOW protocol on window (preventing it from being destroyed by the WM when clicking on the "close" widget) |
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static void set_window_delete_protocol(Window w) |
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{ |
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WM_DELETE_WINDOW = XInternAtom(x_display, "WM_DELETE_WINDOW", false); |
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XSetWMProtocols(x_display, w, &WM_DELETE_WINDOW, 1); |
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} |
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|
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// Wait until window is mapped/unmapped |
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void wait_mapped(Window w) |
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{ |
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XEvent e; |
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do { |
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XMaskEvent(x_display, StructureNotifyMask, &e); |
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} while ((e.type != MapNotify) || (e.xmap.event != w)); |
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} |
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|
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void wait_unmapped(Window w) |
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{ |
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XEvent e; |
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do { |
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XMaskEvent(x_display, StructureNotifyMask, &e); |
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} while ((e.type != UnmapNotify) || (e.xmap.event != w)); |
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} |
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|
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// Trap SHM errors |
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static bool shm_error = false; |
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static int (*old_error_handler)(Display *, XErrorEvent *); |
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|
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static int error_handler(Display *d, XErrorEvent *e) |
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{ |
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if (e->error_code == BadAccess) { |
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shm_error = true; |
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return 0; |
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} else |
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return old_error_handler(d, e); |
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} |
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|
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// Init window mode |
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static bool init_window(const video_mode &mode) |
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{ |
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int width = mode.x, height = mode.y; |
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int aligned_width = (width + 15) & ~15; |
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int aligned_height = (height + 15) & ~15; |
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|
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// Set absolute mouse mode |
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ADBSetRelMouseMode(false); |
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|
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// Read frame skip prefs |
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frame_skip = PrefsFindInt32("frameskip"); |
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|
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// Create window |
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XSetWindowAttributes wattr; |
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wattr.event_mask = eventmask = win_eventmask; |
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wattr.background_pixel = black_pixel; |
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wattr.colormap = cmap[0]; |
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|
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the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth, |
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InputOutput, vis, CWEventMask | CWBackPixel | ((IsDirectMode(mode) || mode.depth == VDEPTH_1BIT) ? 0 : CWColormap), &wattr); |
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|
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// Set window name/class |
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set_window_name(the_win, STR_WINDOW_TITLE); |
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|
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// Indicate that we want keyboard input |
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set_window_focus(the_win); |
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|
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// Set delete protocol property |
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set_window_delete_protocol(the_win); |
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|
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// Make window unresizable |
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{ |
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XSizeHints *hints = XAllocSizeHints(); |
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if (hints) { |
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hints->min_width = width; |
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hints->max_width = width; |
336 |
hints->min_height = height; |
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hints->max_height = height; |
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hints->flags = PMinSize | PMaxSize; |
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XSetWMNormalHints(x_display, the_win, hints); |
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XFree(hints); |
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} |
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} |
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|
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// Show window |
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XMapWindow(x_display, the_win); |
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wait_mapped(the_win); |
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|
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// Try to create and attach SHM image |
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have_shm = false; |
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if (mode.depth != VDEPTH_1BIT && local_X11 && XShmQueryExtension(x_display)) { |
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|
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// Create SHM image ("height + 2" for safety) |
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img = XShmCreateImage(x_display, vis, mode.depth == VDEPTH_1BIT ? 1 : xdepth, mode.depth == VDEPTH_1BIT ? XYBitmap : ZPixmap, 0, &shminfo, width, height); |
354 |
shminfo.shmid = shmget(IPC_PRIVATE, (aligned_height + 2) * img->bytes_per_line, IPC_CREAT | 0777); |
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the_buffer_copy = (uint8 *)shmat(shminfo.shmid, 0, 0); |
356 |
shminfo.shmaddr = img->data = (char *)the_buffer_copy; |
357 |
shminfo.readOnly = False; |
358 |
|
359 |
// Try to attach SHM image, catching errors |
360 |
shm_error = false; |
361 |
old_error_handler = XSetErrorHandler(error_handler); |
362 |
XShmAttach(x_display, &shminfo); |
363 |
XSync(x_display, false); |
364 |
XSetErrorHandler(old_error_handler); |
365 |
if (shm_error) { |
366 |
shmdt(shminfo.shmaddr); |
367 |
XDestroyImage(img); |
368 |
shminfo.shmid = -1; |
369 |
} else { |
370 |
have_shm = true; |
371 |
shmctl(shminfo.shmid, IPC_RMID, 0); |
372 |
} |
373 |
} |
374 |
|
375 |
// Create normal X image if SHM doesn't work ("height + 2" for safety) |
376 |
if (!have_shm) { |
377 |
int bytes_per_row = TrivialBytesPerRow(aligned_width, mode.depth); |
378 |
the_buffer_copy = (uint8 *)malloc((aligned_height + 2) * bytes_per_row); |
379 |
img = XCreateImage(x_display, vis, mode.depth == VDEPTH_1BIT ? 1 : xdepth, mode.depth == VDEPTH_1BIT ? XYBitmap : ZPixmap, 0, (char *)the_buffer_copy, aligned_width, aligned_height, 32, bytes_per_row); |
380 |
} |
381 |
|
382 |
// 1-Bit mode is big-endian |
383 |
if (mode.depth == VDEPTH_1BIT) { |
384 |
img->byte_order = MSBFirst; |
385 |
img->bitmap_bit_order = MSBFirst; |
386 |
} |
387 |
|
388 |
#ifdef ENABLE_VOSF |
389 |
// Allocate memory for frame buffer (SIZE is extended to page-boundary) |
390 |
the_host_buffer = the_buffer_copy; |
391 |
the_buffer_size = page_extend((aligned_height + 2) * img->bytes_per_line); |
392 |
the_buffer_copy = (uint8 *)vm_acquire(the_buffer_size); |
393 |
the_buffer = (uint8 *)vm_acquire(the_buffer_size); |
394 |
#else |
395 |
// Allocate memory for frame buffer |
396 |
the_buffer = (uint8 *)malloc((aligned_height + 2) * img->bytes_per_line); |
397 |
#endif |
398 |
|
399 |
// Create GC |
400 |
the_gc = XCreateGC(x_display, the_win, 0, 0); |
401 |
XSetState(x_display, the_gc, black_pixel, white_pixel, GXcopy, AllPlanes); |
402 |
|
403 |
// Create no_cursor |
404 |
mac_cursor = XCreatePixmapCursor(x_display, |
405 |
XCreatePixmap(x_display, the_win, 1, 1, 1), |
406 |
XCreatePixmap(x_display, the_win, 1, 1, 1), |
407 |
&black, &white, 0, 0); |
408 |
XDefineCursor(x_display, the_win, mac_cursor); |
409 |
|
410 |
// Add resolution and set VideoMonitor |
411 |
bool native_byte_order; |
412 |
#ifdef WORDS_BIGENDIAN |
413 |
native_byte_order = (XImageByteOrder(x_display) == MSBFirst); |
414 |
#else |
415 |
native_byte_order = (XImageByteOrder(x_display) == LSBFirst); |
416 |
#endif |
417 |
#ifdef ENABLE_VOSF |
418 |
Screen_blitter_init(&visualInfo, native_byte_order); |
419 |
#endif |
420 |
VideoMonitor.mode = mode; |
421 |
set_mac_frame_buffer(mode.depth, native_byte_order); |
422 |
return true; |
423 |
} |
424 |
|
425 |
// Init fbdev DGA display |
426 |
static bool init_fbdev_dga(const video_mode &mode) |
427 |
{ |
428 |
#ifdef ENABLE_FBDEV_DGA |
429 |
int width = mode.x, height = mode.y; |
430 |
|
431 |
// Find the maximum depth available |
432 |
int ndepths, max_depth(0); |
433 |
int *depths = XListDepths(x_display, screen, &ndepths); |
434 |
if (depths == NULL) { |
435 |
printf("FATAL: Could not determine the maximal depth available\n"); |
436 |
return false; |
437 |
} else { |
438 |
while (ndepths-- > 0) { |
439 |
if (depths[ndepths] > max_depth) |
440 |
max_depth = depths[ndepths]; |
441 |
} |
442 |
} |
443 |
|
444 |
// Get fbdevices file path from preferences |
445 |
const char *fbd_path = PrefsFindString("fbdevicefile"); |
446 |
|
447 |
// Open fbdevices file |
448 |
FILE *fp = fopen(fbd_path ? fbd_path : FBDEVICES_FILE_NAME, "r"); |
449 |
if (fp == NULL) { |
450 |
char str[256]; |
451 |
sprintf(str, GetString(STR_NO_FBDEVICE_FILE_ERR), fbd_path ? fbd_path : FBDEVICES_FILE_NAME, strerror(errno)); |
452 |
ErrorAlert(str); |
453 |
return false; |
454 |
} |
455 |
|
456 |
int fb_depth; // supported depth |
457 |
uint32 fb_offset; // offset used for mmap(2) |
458 |
char fb_name[20]; |
459 |
char line[256]; |
460 |
bool device_found = false; |
461 |
while (fgets(line, 255, fp)) { |
462 |
// Read line |
463 |
int len = strlen(line); |
464 |
if (len == 0) |
465 |
continue; |
466 |
line[len - 1] = '\0'; |
467 |
|
468 |
// Comments begin with "#" or ";" |
469 |
if ((line[0] == '#') || (line[0] == ';') || (line[0] == '\0')) |
470 |
continue; |
471 |
|
472 |
if ((sscanf(line, "%19s %d %x", &fb_name, &fb_depth, &fb_offset) == 3) |
473 |
&& (strcmp(fb_name, fb_name) == 0) && (fb_depth == max_depth)) { |
474 |
device_found = true; |
475 |
break; |
476 |
} |
477 |
} |
478 |
|
479 |
// fbdevices file completely read |
480 |
fclose(fp); |
481 |
|
482 |
// Frame buffer name not found ? Then, display warning |
483 |
if (!device_found) { |
484 |
char str[256]; |
485 |
sprintf(str, GetString(STR_FBDEV_NAME_ERR), fb_name, max_depth); |
486 |
ErrorAlert(str); |
487 |
return false; |
488 |
} |
489 |
|
490 |
depth = fb_depth; |
491 |
|
492 |
// Set relative mouse mode |
493 |
ADBSetRelMouseMode(false); |
494 |
|
495 |
// Create window |
496 |
XSetWindowAttributes wattr; |
497 |
wattr.event_mask = eventmask = dga_eventmask; |
498 |
wattr.background_pixel = white_pixel; |
499 |
wattr.override_redirect = True; |
500 |
wattr.colormap = cmap[0]; |
501 |
|
502 |
the_win = XCreateWindow(x_display, rootwin, |
503 |
0, 0, width, height, |
504 |
0, xdepth, InputOutput, vis, |
505 |
CWEventMask | CWBackPixel | CWOverrideRedirect | (depth == 8 ? CWColormap : 0), |
506 |
&wattr); |
507 |
|
508 |
// Set window name/class |
509 |
set_window_name(the_win, STR_WINDOW_TITLE); |
510 |
|
511 |
// Indicate that we want keyboard input |
512 |
set_window_focus(the_win); |
513 |
|
514 |
// Show window |
515 |
XMapRaised(x_display, the_win); |
516 |
wait_mapped(the_win); |
517 |
|
518 |
// Grab mouse and keyboard |
519 |
XGrabKeyboard(x_display, the_win, True, |
520 |
GrabModeAsync, GrabModeAsync, CurrentTime); |
521 |
XGrabPointer(x_display, the_win, True, |
522 |
PointerMotionMask | ButtonPressMask | ButtonReleaseMask, |
523 |
GrabModeAsync, GrabModeAsync, the_win, None, CurrentTime); |
524 |
|
525 |
// Calculate bytes per row |
526 |
int bytes_per_row = TrivialBytesPerRow(mode.x, mode.depth); |
527 |
|
528 |
// Map frame buffer |
529 |
if ((the_buffer = (uint8 *) mmap(NULL, height * bytes_per_row, PROT_READ | PROT_WRITE, MAP_PRIVATE, fbdev_fd, fb_offset)) == MAP_FAILED) { |
530 |
if ((the_buffer = (uint8 *) mmap(NULL, height * bytes_per_row, PROT_READ | PROT_WRITE, MAP_SHARED, fbdev_fd, fb_offset)) == MAP_FAILED) { |
531 |
char str[256]; |
532 |
sprintf(str, GetString(STR_FBDEV_MMAP_ERR), strerror(errno)); |
533 |
ErrorAlert(str); |
534 |
return false; |
535 |
} |
536 |
} |
537 |
|
538 |
#if ENABLE_VOSF |
539 |
#if REAL_ADDRESSING || DIRECT_ADDRESSING |
540 |
// Screen_blitter_init() returns TRUE if VOSF is mandatory |
541 |
// i.e. the framebuffer update function is not Blit_Copy_Raw |
542 |
use_vosf = Screen_blitter_init(&visualInfo, true); |
543 |
|
544 |
if (use_vosf) { |
545 |
// Allocate memory for frame buffer (SIZE is extended to page-boundary) |
546 |
the_host_buffer = the_buffer; |
547 |
the_buffer_size = page_extend((height + 2) * bytes_per_row); |
548 |
the_buffer_copy = (uint8 *)vm_acquire(the_buffer_size); |
549 |
the_buffer = (uint8 *)vm_acquire(the_buffer_size); |
550 |
} |
551 |
#else |
552 |
use_vosf = false; |
553 |
#endif |
554 |
#endif |
555 |
|
556 |
// Set VideoMonitor |
557 |
VideoMonitor.mode = mode; |
558 |
set_mac_frame_buffer(mode.depth, true); |
559 |
return true; |
560 |
#else |
561 |
ErrorAlert("Basilisk II has been compiled with fbdev DGA support disabled."); |
562 |
return false; |
563 |
#endif |
564 |
} |
565 |
|
566 |
// Init XF86 DGA display |
567 |
static bool init_xf86_dga(const video_mode &mode) |
568 |
{ |
569 |
int width = mode.x, height = mode.y; |
570 |
|
571 |
#ifdef ENABLE_XF86_DGA |
572 |
// Set relative mouse mode |
573 |
ADBSetRelMouseMode(true); |
574 |
|
575 |
#ifdef ENABLE_XF86_VIDMODE |
576 |
// Switch to best mode |
577 |
if (has_vidmode) { |
578 |
int best = 0; |
579 |
for (int i=1; i<num_x_video_modes; i++) { |
580 |
if (x_video_modes[i]->hdisplay >= width && x_video_modes[i]->vdisplay >= height && |
581 |
x_video_modes[i]->hdisplay <= x_video_modes[best]->hdisplay && x_video_modes[i]->vdisplay <= x_video_modes[best]->vdisplay) { |
582 |
best = i; |
583 |
} |
584 |
} |
585 |
XF86VidModeSwitchToMode(x_display, screen, x_video_modes[best]); |
586 |
XF86VidModeSetViewPort(x_display, screen, 0, 0); |
587 |
XSync(x_display, false); |
588 |
} |
589 |
#endif |
590 |
|
591 |
// Create window |
592 |
XSetWindowAttributes wattr; |
593 |
wattr.event_mask = eventmask = dga_eventmask; |
594 |
wattr.override_redirect = True; |
595 |
|
596 |
the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth, |
597 |
InputOutput, vis, CWEventMask | CWOverrideRedirect, &wattr); |
598 |
|
599 |
// Set window name/class |
600 |
set_window_name(the_win, STR_WINDOW_TITLE); |
601 |
|
602 |
// Indicate that we want keyboard input |
603 |
set_window_focus(the_win); |
604 |
|
605 |
// Show window |
606 |
XMapRaised(x_display, the_win); |
607 |
wait_mapped(the_win); |
608 |
|
609 |
// Establish direct screen connection |
610 |
XMoveResizeWindow(x_display, the_win, 0, 0, width, height); |
611 |
XWarpPointer(x_display, None, rootwin, 0, 0, 0, 0, 0, 0); |
612 |
XGrabKeyboard(x_display, rootwin, True, GrabModeAsync, GrabModeAsync, CurrentTime); |
613 |
XGrabPointer(x_display, rootwin, True, PointerMotionMask | ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime); |
614 |
|
615 |
int v_width, v_bank, v_size; |
616 |
XF86DGAGetVideo(x_display, screen, (char **)&the_buffer, &v_width, &v_bank, &v_size); |
617 |
XF86DGADirectVideo(x_display, screen, XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse); |
618 |
XF86DGASetViewPort(x_display, screen, 0, 0); |
619 |
XF86DGASetVidPage(x_display, screen, 0); |
620 |
|
621 |
// Set colormap |
622 |
if (!IsDirectMode(mode)) { |
623 |
XSetWindowColormap(x_display, the_win, cmap[current_dga_cmap = 0]); |
624 |
XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]); |
625 |
} |
626 |
XSync(x_display, false); |
627 |
|
628 |
// Set VideoMonitor |
629 |
int bytes_per_row = TrivialBytesPerRow((v_width + 7) & ~7, mode.depth); |
630 |
|
631 |
#ifdef VIDEO_VOSF |
632 |
#if REAL_ADDRESSING || DIRECT_ADDRESSING |
633 |
// Screen_blitter_init() returns TRUE if VOSF is mandatory |
634 |
// i.e. the framebuffer update function is not Blit_Copy_Raw |
635 |
use_vosf = Screen_blitter_init(&visualInfo, true); |
636 |
|
637 |
if (use_vosf) { |
638 |
// Allocate memory for frame buffer (SIZE is extended to page-boundary) |
639 |
the_host_buffer = the_buffer; |
640 |
the_buffer_size = page_extend((height + 2) * bytes_per_row); |
641 |
the_buffer_copy = (uint8 *)vm_acquire(the_buffer_size); |
642 |
the_buffer = (uint8 *)vm_acquire(the_buffer_size); |
643 |
} |
644 |
#else |
645 |
use_vosf = false; |
646 |
#endif |
647 |
#endif |
648 |
|
649 |
const_cast<video_mode *>(&mode)->bytes_per_row = bytes_per_row; |
650 |
VideoMonitor.mode = mode; |
651 |
set_mac_frame_buffer(mode.depth, true); |
652 |
return true; |
653 |
#else |
654 |
ErrorAlert("Basilisk II has been compiled with XF86 DGA support disabled."); |
655 |
return false; |
656 |
#endif |
657 |
} |
658 |
|
659 |
// Init keycode translation table |
660 |
static void keycode_init(void) |
661 |
{ |
662 |
bool use_kc = PrefsFindBool("keycodes"); |
663 |
if (use_kc) { |
664 |
|
665 |
// Get keycode file path from preferences |
666 |
const char *kc_path = PrefsFindString("keycodefile"); |
667 |
|
668 |
// Open keycode table |
669 |
FILE *f = fopen(kc_path ? kc_path : KEYCODE_FILE_NAME, "r"); |
670 |
if (f == NULL) { |
671 |
char str[256]; |
672 |
sprintf(str, GetString(STR_KEYCODE_FILE_WARN), kc_path ? kc_path : KEYCODE_FILE_NAME, strerror(errno)); |
673 |
WarningAlert(str); |
674 |
return; |
675 |
} |
676 |
|
677 |
// Default translation table |
678 |
for (int i=0; i<256; i++) |
679 |
keycode_table[i] = -1; |
680 |
|
681 |
// Search for server vendor string, then read keycodes |
682 |
const char *vendor = ServerVendor(x_display); |
683 |
bool vendor_found = false; |
684 |
char line[256]; |
685 |
while (fgets(line, 255, f)) { |
686 |
// Read line |
687 |
int len = strlen(line); |
688 |
if (len == 0) |
689 |
continue; |
690 |
line[len-1] = 0; |
691 |
|
692 |
// Comments begin with "#" or ";" |
693 |
if (line[0] == '#' || line[0] == ';' || line[0] == 0) |
694 |
continue; |
695 |
|
696 |
if (vendor_found) { |
697 |
// Read keycode |
698 |
int x_code, mac_code; |
699 |
if (sscanf(line, "%d %d", &x_code, &mac_code) == 2) |
700 |
keycode_table[x_code & 0xff] = mac_code; |
701 |
else |
702 |
break; |
703 |
} else { |
704 |
// Search for vendor string |
705 |
if (strstr(vendor, line) == vendor) |
706 |
vendor_found = true; |
707 |
} |
708 |
} |
709 |
|
710 |
// Keycode file completely read |
711 |
fclose(f); |
712 |
use_keycodes = vendor_found; |
713 |
|
714 |
// Vendor not found? Then display warning |
715 |
if (!vendor_found) { |
716 |
char str[256]; |
717 |
sprintf(str, GetString(STR_KEYCODE_VENDOR_WARN), vendor, kc_path ? kc_path : KEYCODE_FILE_NAME); |
718 |
WarningAlert(str); |
719 |
return; |
720 |
} |
721 |
} |
722 |
} |
723 |
|
724 |
// Open display for specified mode |
725 |
static bool video_open(const video_mode &mode) |
726 |
{ |
727 |
// Create color maps for 8 bit mode |
728 |
if (!IsDirectMode(mode)) { |
729 |
cmap[0] = XCreateColormap(x_display, rootwin, vis, AllocAll); |
730 |
cmap[1] = XCreateColormap(x_display, rootwin, vis, AllocAll); |
731 |
cmap_allocated = true; |
732 |
XInstallColormap(x_display, cmap[0]); |
733 |
XInstallColormap(x_display, cmap[1]); |
734 |
} |
735 |
|
736 |
// Initialize according to display type |
737 |
switch (display_type) { |
738 |
case DISPLAY_WINDOW: |
739 |
if (!init_window(mode)) |
740 |
return false; |
741 |
break; |
742 |
case DISPLAY_DGA: |
743 |
#ifdef ENABLE_FBDEV_DGA |
744 |
if (!init_fbdev_dga(mode)) |
745 |
#else |
746 |
if (!init_xf86_dga(mode)) |
747 |
#endif |
748 |
return false; |
749 |
break; |
750 |
} |
751 |
|
752 |
// Lock down frame buffer |
753 |
LOCK_FRAME_BUFFER; |
754 |
|
755 |
#if !REAL_ADDRESSING && !DIRECT_ADDRESSING |
756 |
// Set variables for UAE memory mapping |
757 |
MacFrameBaseHost = the_buffer; |
758 |
MacFrameSize = VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y; |
759 |
|
760 |
// No special frame buffer in Classic mode (frame buffer is in Mac RAM) |
761 |
if (classic) |
762 |
MacFrameLayout = FLAYOUT_NONE; |
763 |
#endif |
764 |
|
765 |
InitFrameBufferMapping(); |
766 |
|
767 |
#ifdef ENABLE_VOSF |
768 |
if (use_vosf) { |
769 |
// Initialize the mainBuffer structure |
770 |
if (!video_init_buffer()) { |
771 |
ErrorAlert(GetString(STR_VOSF_INIT_ERR)); |
772 |
return false; |
773 |
} |
774 |
|
775 |
// Initialize the handler for SIGSEGV |
776 |
if (!sigsegv_install_handler(screen_fault_handler)) { |
777 |
ErrorAlert("Could not initialize Video on SEGV signals"); |
778 |
return false; |
779 |
} |
780 |
} |
781 |
#endif |
782 |
|
783 |
// Initialize VideoRefresh function |
784 |
VideoRefreshInit(); |
785 |
|
786 |
XSync(x_display, false); |
787 |
|
788 |
#ifdef HAVE_PTHREADS |
789 |
// Start redraw/input thread |
790 |
redraw_thread_cancel = false; |
791 |
redraw_thread_active = (pthread_create(&redraw_thread, NULL, redraw_func, NULL) == 0); |
792 |
if (!redraw_thread_active) { |
793 |
printf("FATAL: cannot create redraw thread\n"); |
794 |
return false; |
795 |
} |
796 |
#endif |
797 |
|
798 |
return true; |
799 |
} |
800 |
|
801 |
bool VideoInit(bool classic) |
802 |
{ |
803 |
classic_mode = classic; |
804 |
|
805 |
#ifdef ENABLE_VOSF |
806 |
// Open /dev/zero |
807 |
zero_fd = open("/dev/zero", O_RDWR); |
808 |
if (zero_fd < 0) { |
809 |
char str[256]; |
810 |
sprintf(str, GetString(STR_NO_DEV_ZERO_ERR), strerror(errno)); |
811 |
ErrorAlert(str); |
812 |
return false; |
813 |
} |
814 |
|
815 |
// Zero the mainBuffer structure |
816 |
mainBuffer.dirtyPages = 0; |
817 |
mainBuffer.pageInfo = 0; |
818 |
#endif |
819 |
|
820 |
// Check if X server runs on local machine |
821 |
local_X11 = (strncmp(XDisplayName(x_display_name), ":", 1) == 0) |
822 |
|| (strncmp(XDisplayName(x_display_name), "unix:", 5) == 0); |
823 |
|
824 |
// Init keycode translation |
825 |
keycode_init(); |
826 |
|
827 |
// Read prefs |
828 |
mouse_wheel_mode = PrefsFindInt32("mousewheelmode"); |
829 |
mouse_wheel_lines = PrefsFindInt32("mousewheellines"); |
830 |
|
831 |
// Find screen and root window |
832 |
screen = XDefaultScreen(x_display); |
833 |
rootwin = XRootWindow(x_display, screen); |
834 |
|
835 |
// Get screen depth |
836 |
xdepth = DefaultDepth(x_display, screen); |
837 |
|
838 |
#ifdef ENABLE_FBDEV_DGA |
839 |
// Frame buffer name |
840 |
char fb_name[20]; |
841 |
|
842 |
// Could do fbdev dga ? |
843 |
if ((fbdev_fd = open(FBDEVICE_FILE_NAME, O_RDWR)) != -1) |
844 |
has_dga = true; |
845 |
else |
846 |
has_dga = false; |
847 |
#endif |
848 |
|
849 |
#ifdef ENABLE_XF86_DGA |
850 |
// DGA available? |
851 |
int dga_event_base, dga_error_base; |
852 |
if (local_X11 && XF86DGAQueryExtension(x_display, &dga_event_base, &dga_error_base)) { |
853 |
int dga_flags = 0; |
854 |
XF86DGAQueryDirectVideo(x_display, screen, &dga_flags); |
855 |
has_dga = dga_flags & XF86DGADirectPresent; |
856 |
} else |
857 |
has_dga = false; |
858 |
#endif |
859 |
|
860 |
#ifdef ENABLE_XF86_VIDMODE |
861 |
// VidMode available? |
862 |
int vm_event_base, vm_error_base; |
863 |
has_vidmode = XF86VidModeQueryExtension(x_display, &vm_event_base, &vm_error_base); |
864 |
if (has_vidmode) |
865 |
XF86VidModeGetAllModeLines(x_display, screen, &num_x_video_modes, &x_video_modes); |
866 |
#endif |
867 |
|
868 |
// Find black and white colors |
869 |
XParseColor(x_display, DefaultColormap(x_display, screen), "rgb:00/00/00", &black); |
870 |
XAllocColor(x_display, DefaultColormap(x_display, screen), &black); |
871 |
XParseColor(x_display, DefaultColormap(x_display, screen), "rgb:ff/ff/ff", &white); |
872 |
XAllocColor(x_display, DefaultColormap(x_display, screen), &white); |
873 |
black_pixel = BlackPixel(x_display, screen); |
874 |
white_pixel = WhitePixel(x_display, screen); |
875 |
|
876 |
// Get appropriate visual |
877 |
int color_class; |
878 |
switch (xdepth) { |
879 |
case 1: |
880 |
color_class = StaticGray; |
881 |
break; |
882 |
case 8: |
883 |
color_class = PseudoColor; |
884 |
break; |
885 |
case 15: |
886 |
case 16: |
887 |
case 24: |
888 |
case 32: |
889 |
color_class = TrueColor; |
890 |
break; |
891 |
default: |
892 |
ErrorAlert(GetString(STR_UNSUPP_DEPTH_ERR)); |
893 |
return false; |
894 |
} |
895 |
if (!XMatchVisualInfo(x_display, screen, xdepth, color_class, &visualInfo)) { |
896 |
ErrorAlert(GetString(STR_NO_XVISUAL_ERR)); |
897 |
return false; |
898 |
} |
899 |
if (visualInfo.depth != xdepth) { |
900 |
ErrorAlert(GetString(STR_NO_XVISUAL_ERR)); |
901 |
return false; |
902 |
} |
903 |
vis = visualInfo.visual; |
904 |
|
905 |
// Get screen mode from preferences |
906 |
const char *mode_str; |
907 |
if (classic_mode) |
908 |
mode_str = "win/512/342"; |
909 |
else |
910 |
mode_str = PrefsFindString("screen"); |
911 |
|
912 |
// Determine display type and default dimensions |
913 |
int default_width = 512, default_height = 384; |
914 |
display_type = DISPLAY_WINDOW; |
915 |
if (mode_str) { |
916 |
if (sscanf(mode_str, "win/%d/%d", &default_width, &default_height) == 2) { |
917 |
display_type = DISPLAY_WINDOW; |
918 |
#ifdef ENABLE_FBDEV_DGA |
919 |
} else if (has_dga && sscanf(mode_str, "dga/%19s", fb_name) == 1) { |
920 |
display_type = DISPLAY_DGA; |
921 |
default_width = -1; default_height = -1; |
922 |
#else |
923 |
} else if (has_dga && sscanf(mode_str, "dga/%d/%d", &default_width, &default_height) == 2) { |
924 |
display_type = DISPLAY_DGA; |
925 |
#endif |
926 |
} |
927 |
} |
928 |
if (default_width <= 0) |
929 |
default_width = DisplayWidth(x_display, screen); |
930 |
else if (default_width > DisplayWidth(x_display, screen)) |
931 |
default_width = DisplayWidth(x_display, screen); |
932 |
if (default_height <= 0) |
933 |
default_height = DisplayHeight(x_display, screen); |
934 |
else if (default_height > DisplayHeight(x_display, screen)) |
935 |
default_height = DisplayHeight(x_display, screen); |
936 |
|
937 |
// Mac screen depth is always 1 bit in Classic mode, but follows X depth otherwise |
938 |
int depth = (classic_mode ? 1 : xdepth); |
939 |
video_depth depth_mode = DepthModeForPixelDepth(depth); |
940 |
|
941 |
// Construct list of supported modes |
942 |
if (display_type == DISPLAY_WINDOW) { |
943 |
if (classic) |
944 |
add_mode(512, 342, 0x80, 64, depth_mode); |
945 |
else { |
946 |
add_mode(512, 384, 0x80, TrivialBytesPerRow(512, depth_mode), depth_mode); |
947 |
add_mode(640, 480, 0x81, TrivialBytesPerRow(640, depth_mode), depth_mode); |
948 |
add_mode(800, 600, 0x82, TrivialBytesPerRow(800, depth_mode), depth_mode); |
949 |
add_mode(1024, 768, 0x83, TrivialBytesPerRow(1024, depth_mode), depth_mode); |
950 |
add_mode(1280, 1024, 0x84, TrivialBytesPerRow(1280, depth_mode), depth_mode); |
951 |
} |
952 |
} else |
953 |
add_mode(default_width, default_height, 0x80, TrivialBytesPerRow(default_width, depth_mode), depth_mode); |
954 |
|
955 |
// Find requested default mode and open display |
956 |
if (VideoModes.size() == 1) |
957 |
return video_open(VideoModes[0]); |
958 |
else { |
959 |
// Find mode with specified dimensions |
960 |
std::vector<video_mode>::const_iterator i = VideoModes.begin(), end = VideoModes.end(); |
961 |
while (i != end) { |
962 |
if (i->x == default_width && i->y == default_height) |
963 |
return video_open(*i); |
964 |
++i; |
965 |
} |
966 |
return video_open(VideoModes[0]); |
967 |
} |
968 |
} |
969 |
|
970 |
|
971 |
/* |
972 |
* Deinitialization |
973 |
*/ |
974 |
|
975 |
// Close display |
976 |
static void video_close(void) |
977 |
{ |
978 |
#ifdef HAVE_PTHREADS |
979 |
// Stop redraw thread |
980 |
if (redraw_thread_active) { |
981 |
redraw_thread_cancel = true; |
982 |
#ifdef HAVE_PTHREAD_CANCEL |
983 |
pthread_cancel(redraw_thread); |
984 |
#endif |
985 |
pthread_join(redraw_thread, NULL); |
986 |
redraw_thread_active = false; |
987 |
} |
988 |
#endif |
989 |
|
990 |
// Unlock frame buffer |
991 |
UNLOCK_FRAME_BUFFER; |
992 |
|
993 |
// Close window and server connection |
994 |
if (x_display != NULL) { |
995 |
XSync(x_display, false); |
996 |
|
997 |
#ifdef ENABLE_XF86_DGA |
998 |
if (display_type == DISPLAY_DGA) { |
999 |
XF86DGADirectVideo(x_display, screen, 0); |
1000 |
XUngrabPointer(x_display, CurrentTime); |
1001 |
XUngrabKeyboard(x_display, CurrentTime); |
1002 |
} |
1003 |
#endif |
1004 |
|
1005 |
#ifdef ENABLE_XF86_VIDMODE |
1006 |
if (has_vidmode && display_type == DISPLAY_DGA) |
1007 |
XF86VidModeSwitchToMode(x_display, screen, x_video_modes[0]); |
1008 |
#endif |
1009 |
|
1010 |
#ifdef ENABLE_FBDEV_DGA |
1011 |
if (display_type == DISPLAY_DGA) { |
1012 |
XUngrabPointer(x_display, CurrentTime); |
1013 |
XUngrabKeyboard(x_display, CurrentTime); |
1014 |
close(fbdev_fd); |
1015 |
} |
1016 |
#endif |
1017 |
|
1018 |
XFlush(x_display); |
1019 |
XSync(x_display, false); |
1020 |
XUnmapWindow(x_display, the_win); |
1021 |
wait_unmapped(the_win); |
1022 |
XDestroyWindow(x_display, the_win); |
1023 |
|
1024 |
if (have_shm) { |
1025 |
XDestroyImage(img); |
1026 |
XShmDetach(x_display, &shminfo); |
1027 |
have_shm = false; |
1028 |
} else { |
1029 |
//!! free img |
1030 |
} |
1031 |
//!! free the_gc |
1032 |
|
1033 |
if (cmap_allocated) { |
1034 |
XFreeColormap(x_display, cmap[0]); |
1035 |
XFreeColormap(x_display, cmap[1]); |
1036 |
cmap_allocated = false; |
1037 |
} |
1038 |
|
1039 |
if (!use_vosf) { |
1040 |
if (the_buffer) { |
1041 |
free(the_buffer); |
1042 |
the_buffer = NULL; |
1043 |
} |
1044 |
|
1045 |
if (!have_shm && the_buffer_copy) { |
1046 |
free(the_buffer_copy); |
1047 |
the_buffer_copy = NULL; |
1048 |
} |
1049 |
} |
1050 |
#ifdef ENABLE_VOSF |
1051 |
else { |
1052 |
//!! uninstall SEGV handler? |
1053 |
|
1054 |
if (the_buffer != (uint8 *)VM_MAP_FAILED) { |
1055 |
vm_release(the_buffer, the_buffer_size); |
1056 |
the_buffer = 0; |
1057 |
} |
1058 |
|
1059 |
if (the_buffer_copy != (uint8 *)VM_MAP_FAILED) { |
1060 |
vm_release(the_buffer_copy, the_buffer_size); |
1061 |
the_buffer_copy = 0; |
1062 |
} |
1063 |
} |
1064 |
#endif |
1065 |
} |
1066 |
|
1067 |
#ifdef ENABLE_VOSF |
1068 |
if (use_vosf) { |
1069 |
// Clear mainBuffer data |
1070 |
if (mainBuffer.pageInfo) { |
1071 |
free(mainBuffer.pageInfo); |
1072 |
mainBuffer.pageInfo = 0; |
1073 |
} |
1074 |
|
1075 |
if (mainBuffer.dirtyPages) { |
1076 |
free(mainBuffer.dirtyPages); |
1077 |
mainBuffer.dirtyPages = 0; |
1078 |
} |
1079 |
} |
1080 |
#endif |
1081 |
} |
1082 |
|
1083 |
void VideoExit(void) |
1084 |
{ |
1085 |
video_close(); |
1086 |
|
1087 |
#ifdef ENABLE_VOSF |
1088 |
// Close /dev/zero |
1089 |
if (zero_fd > 0) |
1090 |
close(zero_fd); |
1091 |
#endif |
1092 |
} |
1093 |
|
1094 |
|
1095 |
/* |
1096 |
* Close down full-screen mode (if bringing up error alerts is unsafe while in full-screen mode) |
1097 |
*/ |
1098 |
|
1099 |
void VideoQuitFullScreen(void) |
1100 |
{ |
1101 |
D(bug("VideoQuitFullScreen()\n")); |
1102 |
if (display_type == DISPLAY_DGA) |
1103 |
quit_full_screen = true; |
1104 |
} |
1105 |
|
1106 |
|
1107 |
/* |
1108 |
* Mac VBL interrupt |
1109 |
*/ |
1110 |
|
1111 |
void VideoInterrupt(void) |
1112 |
{ |
1113 |
// Emergency quit requested? Then quit |
1114 |
if (emerg_quit) |
1115 |
QuitEmulator(); |
1116 |
|
1117 |
// Temporarily give up frame buffer lock (this is the point where |
1118 |
// we are suspended when the user presses Ctrl-Tab) |
1119 |
UNLOCK_FRAME_BUFFER; |
1120 |
LOCK_FRAME_BUFFER; |
1121 |
} |
1122 |
|
1123 |
|
1124 |
/* |
1125 |
* Set palette |
1126 |
*/ |
1127 |
|
1128 |
void video_set_palette(uint8 *pal) |
1129 |
{ |
1130 |
LOCK_PALETTE; |
1131 |
|
1132 |
// Convert colors to XColor array |
1133 |
for (int i=0; i<256; i++) { |
1134 |
palette[i].pixel = i; |
1135 |
palette[i].red = pal[i*3] * 0x0101; |
1136 |
palette[i].green = pal[i*3+1] * 0x0101; |
1137 |
palette[i].blue = pal[i*3+2] * 0x0101; |
1138 |
palette[i].flags = DoRed | DoGreen | DoBlue; |
1139 |
} |
1140 |
|
1141 |
// Tell redraw thread to change palette |
1142 |
palette_changed = true; |
1143 |
|
1144 |
UNLOCK_PALETTE; |
1145 |
} |
1146 |
|
1147 |
|
1148 |
/* |
1149 |
* Switch video mode |
1150 |
*/ |
1151 |
|
1152 |
void video_switch_to_mode(const video_mode &mode) |
1153 |
{ |
1154 |
video_close(); |
1155 |
video_open(mode); |
1156 |
} |
1157 |
|
1158 |
|
1159 |
/* |
1160 |
* Suspend/resume emulator |
1161 |
*/ |
1162 |
|
1163 |
#if defined(ENABLE_XF86_DGA) || defined(ENABLE_FBDEV_DGA) |
1164 |
static void suspend_emul(void) |
1165 |
{ |
1166 |
if (display_type == DISPLAY_DGA) { |
1167 |
// Release ctrl key |
1168 |
ADBKeyUp(0x36); |
1169 |
ctrl_down = false; |
1170 |
|
1171 |
// Lock frame buffer (this will stop the MacOS thread) |
1172 |
LOCK_FRAME_BUFFER; |
1173 |
|
1174 |
// Save frame buffer |
1175 |
fb_save = malloc(VideoMonitor.mode.y * VideoMonitor.mode.bytes_per_row); |
1176 |
if (fb_save) |
1177 |
memcpy(fb_save, the_buffer, VideoMonitor.mode.y * VideoMonitor.mode.bytes_per_row); |
1178 |
|
1179 |
// Close full screen display |
1180 |
#ifdef ENABLE_XF86_DGA |
1181 |
XF86DGADirectVideo(x_display, screen, 0); |
1182 |
#endif |
1183 |
XUngrabPointer(x_display, CurrentTime); |
1184 |
XUngrabKeyboard(x_display, CurrentTime); |
1185 |
XUnmapWindow(x_display, the_win); |
1186 |
wait_unmapped(the_win); |
1187 |
|
1188 |
// Open "suspend" window |
1189 |
XSetWindowAttributes wattr; |
1190 |
wattr.event_mask = KeyPressMask; |
1191 |
wattr.background_pixel = black_pixel; |
1192 |
|
1193 |
suspend_win = XCreateWindow(x_display, rootwin, 0, 0, 512, 1, 0, xdepth, |
1194 |
InputOutput, vis, CWEventMask | CWBackPixel, &wattr); |
1195 |
set_window_name(suspend_win, STR_SUSPEND_WINDOW_TITLE); |
1196 |
set_window_focus(suspend_win); |
1197 |
XMapWindow(x_display, suspend_win); |
1198 |
emul_suspended = true; |
1199 |
} |
1200 |
} |
1201 |
|
1202 |
static void resume_emul(void) |
1203 |
{ |
1204 |
// Close "suspend" window |
1205 |
XDestroyWindow(x_display, suspend_win); |
1206 |
XSync(x_display, false); |
1207 |
|
1208 |
// Reopen full screen display |
1209 |
XMapRaised(x_display, the_win); |
1210 |
wait_mapped(the_win); |
1211 |
XWarpPointer(x_display, None, rootwin, 0, 0, 0, 0, 0, 0); |
1212 |
XGrabKeyboard(x_display, rootwin, 1, GrabModeAsync, GrabModeAsync, CurrentTime); |
1213 |
XGrabPointer(x_display, rootwin, 1, PointerMotionMask | ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime); |
1214 |
#ifdef ENABLE_XF86_DGA |
1215 |
XF86DGADirectVideo(x_display, screen, XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse); |
1216 |
XF86DGASetViewPort(x_display, screen, 0, 0); |
1217 |
#endif |
1218 |
XSync(x_display, false); |
1219 |
|
1220 |
// the_buffer already contains the data to restore. i.e. since a temporary |
1221 |
// frame buffer is used when VOSF is actually used, fb_save is therefore |
1222 |
// not necessary. |
1223 |
#ifdef ENABLE_VOSF |
1224 |
if (use_vosf) { |
1225 |
LOCK_VOSF; |
1226 |
PFLAG_SET_ALL; |
1227 |
UNLOCK_VOSF; |
1228 |
memset(the_buffer_copy, 0, VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y); |
1229 |
} |
1230 |
#endif |
1231 |
|
1232 |
// Restore frame buffer |
1233 |
if (fb_save) { |
1234 |
#ifdef ENABLE_VOSF |
1235 |
// Don't copy fb_save to the temporary frame buffer in VOSF mode |
1236 |
if (!use_vosf) |
1237 |
#endif |
1238 |
memcpy(the_buffer, fb_save, VideoMonitor.mode.y * VideoMonitor.mode.bytes_per_row); |
1239 |
free(fb_save); |
1240 |
fb_save = NULL; |
1241 |
} |
1242 |
|
1243 |
#ifdef ENABLE_XF86_DGA |
1244 |
if (!IsDirectMode(VideoMonitor.mode)) |
1245 |
XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]); |
1246 |
#endif |
1247 |
|
1248 |
// Unlock frame buffer (and continue MacOS thread) |
1249 |
UNLOCK_FRAME_BUFFER; |
1250 |
emul_suspended = false; |
1251 |
} |
1252 |
#endif |
1253 |
|
1254 |
|
1255 |
/* |
1256 |
* Translate key event to Mac keycode |
1257 |
*/ |
1258 |
|
1259 |
static int kc_decode(KeySym ks) |
1260 |
{ |
1261 |
switch (ks) { |
1262 |
case XK_A: case XK_a: return 0x00; |
1263 |
case XK_B: case XK_b: return 0x0b; |
1264 |
case XK_C: case XK_c: return 0x08; |
1265 |
case XK_D: case XK_d: return 0x02; |
1266 |
case XK_E: case XK_e: return 0x0e; |
1267 |
case XK_F: case XK_f: return 0x03; |
1268 |
case XK_G: case XK_g: return 0x05; |
1269 |
case XK_H: case XK_h: return 0x04; |
1270 |
case XK_I: case XK_i: return 0x22; |
1271 |
case XK_J: case XK_j: return 0x26; |
1272 |
case XK_K: case XK_k: return 0x28; |
1273 |
case XK_L: case XK_l: return 0x25; |
1274 |
case XK_M: case XK_m: return 0x2e; |
1275 |
case XK_N: case XK_n: return 0x2d; |
1276 |
case XK_O: case XK_o: return 0x1f; |
1277 |
case XK_P: case XK_p: return 0x23; |
1278 |
case XK_Q: case XK_q: return 0x0c; |
1279 |
case XK_R: case XK_r: return 0x0f; |
1280 |
case XK_S: case XK_s: return 0x01; |
1281 |
case XK_T: case XK_t: return 0x11; |
1282 |
case XK_U: case XK_u: return 0x20; |
1283 |
case XK_V: case XK_v: return 0x09; |
1284 |
case XK_W: case XK_w: return 0x0d; |
1285 |
case XK_X: case XK_x: return 0x07; |
1286 |
case XK_Y: case XK_y: return 0x10; |
1287 |
case XK_Z: case XK_z: return 0x06; |
1288 |
|
1289 |
case XK_1: case XK_exclam: return 0x12; |
1290 |
case XK_2: case XK_at: return 0x13; |
1291 |
case XK_3: case XK_numbersign: return 0x14; |
1292 |
case XK_4: case XK_dollar: return 0x15; |
1293 |
case XK_5: case XK_percent: return 0x17; |
1294 |
case XK_6: return 0x16; |
1295 |
case XK_7: return 0x1a; |
1296 |
case XK_8: return 0x1c; |
1297 |
case XK_9: return 0x19; |
1298 |
case XK_0: return 0x1d; |
1299 |
|
1300 |
case XK_grave: case XK_asciitilde: return 0x0a; |
1301 |
case XK_minus: case XK_underscore: return 0x1b; |
1302 |
case XK_equal: case XK_plus: return 0x18; |
1303 |
case XK_bracketleft: case XK_braceleft: return 0x21; |
1304 |
case XK_bracketright: case XK_braceright: return 0x1e; |
1305 |
case XK_backslash: case XK_bar: return 0x2a; |
1306 |
case XK_semicolon: case XK_colon: return 0x29; |
1307 |
case XK_apostrophe: case XK_quotedbl: return 0x27; |
1308 |
case XK_comma: case XK_less: return 0x2b; |
1309 |
case XK_period: case XK_greater: return 0x2f; |
1310 |
case XK_slash: case XK_question: return 0x2c; |
1311 |
|
1312 |
#if defined(ENABLE_XF86_DGA) || defined(ENABLE_FBDEV_DGA) |
1313 |
case XK_Tab: if (ctrl_down) {suspend_emul(); return -1;} else return 0x30; |
1314 |
#else |
1315 |
case XK_Tab: return 0x30; |
1316 |
#endif |
1317 |
case XK_Return: return 0x24; |
1318 |
case XK_space: return 0x31; |
1319 |
case XK_BackSpace: return 0x33; |
1320 |
|
1321 |
case XK_Delete: return 0x75; |
1322 |
case XK_Insert: return 0x72; |
1323 |
case XK_Home: case XK_Help: return 0x73; |
1324 |
case XK_End: return 0x77; |
1325 |
#ifdef __hpux |
1326 |
case XK_Prior: return 0x74; |
1327 |
case XK_Next: return 0x79; |
1328 |
#else |
1329 |
case XK_Page_Up: return 0x74; |
1330 |
case XK_Page_Down: return 0x79; |
1331 |
#endif |
1332 |
|
1333 |
case XK_Control_L: return 0x36; |
1334 |
case XK_Control_R: return 0x36; |
1335 |
case XK_Shift_L: return 0x38; |
1336 |
case XK_Shift_R: return 0x38; |
1337 |
case XK_Alt_L: return 0x37; |
1338 |
case XK_Alt_R: return 0x37; |
1339 |
case XK_Meta_L: return 0x3a; |
1340 |
case XK_Meta_R: return 0x3a; |
1341 |
case XK_Menu: return 0x32; |
1342 |
case XK_Caps_Lock: return 0x39; |
1343 |
case XK_Num_Lock: return 0x47; |
1344 |
|
1345 |
case XK_Up: return 0x3e; |
1346 |
case XK_Down: return 0x3d; |
1347 |
case XK_Left: return 0x3b; |
1348 |
case XK_Right: return 0x3c; |
1349 |
|
1350 |
case XK_Escape: if (ctrl_down) {quit_full_screen = true; emerg_quit = true; return -1;} else return 0x35; |
1351 |
|
1352 |
case XK_F1: if (ctrl_down) {SysMountFirstFloppy(); return -1;} else return 0x7a; |
1353 |
case XK_F2: return 0x78; |
1354 |
case XK_F3: return 0x63; |
1355 |
case XK_F4: return 0x76; |
1356 |
case XK_F5: return 0x60; |
1357 |
case XK_F6: return 0x61; |
1358 |
case XK_F7: return 0x62; |
1359 |
case XK_F8: return 0x64; |
1360 |
case XK_F9: return 0x65; |
1361 |
case XK_F10: return 0x6d; |
1362 |
case XK_F11: return 0x67; |
1363 |
case XK_F12: return 0x6f; |
1364 |
|
1365 |
case XK_Print: return 0x69; |
1366 |
case XK_Scroll_Lock: return 0x6b; |
1367 |
case XK_Pause: return 0x71; |
1368 |
|
1369 |
#if defined(XK_KP_Prior) && defined(XK_KP_Left) && defined(XK_KP_Insert) && defined (XK_KP_End) |
1370 |
case XK_KP_0: case XK_KP_Insert: return 0x52; |
1371 |
case XK_KP_1: case XK_KP_End: return 0x53; |
1372 |
case XK_KP_2: case XK_KP_Down: return 0x54; |
1373 |
case XK_KP_3: case XK_KP_Next: return 0x55; |
1374 |
case XK_KP_4: case XK_KP_Left: return 0x56; |
1375 |
case XK_KP_5: case XK_KP_Begin: return 0x57; |
1376 |
case XK_KP_6: case XK_KP_Right: return 0x58; |
1377 |
case XK_KP_7: case XK_KP_Home: return 0x59; |
1378 |
case XK_KP_8: case XK_KP_Up: return 0x5b; |
1379 |
case XK_KP_9: case XK_KP_Prior: return 0x5c; |
1380 |
case XK_KP_Decimal: case XK_KP_Delete: return 0x41; |
1381 |
#else |
1382 |
case XK_KP_0: return 0x52; |
1383 |
case XK_KP_1: return 0x53; |
1384 |
case XK_KP_2: return 0x54; |
1385 |
case XK_KP_3: return 0x55; |
1386 |
case XK_KP_4: return 0x56; |
1387 |
case XK_KP_5: return 0x57; |
1388 |
case XK_KP_6: return 0x58; |
1389 |
case XK_KP_7: return 0x59; |
1390 |
case XK_KP_8: return 0x5b; |
1391 |
case XK_KP_9: return 0x5c; |
1392 |
case XK_KP_Decimal: return 0x41; |
1393 |
#endif |
1394 |
case XK_KP_Add: return 0x45; |
1395 |
case XK_KP_Subtract: return 0x4e; |
1396 |
case XK_KP_Multiply: return 0x43; |
1397 |
case XK_KP_Divide: return 0x4b; |
1398 |
case XK_KP_Enter: return 0x4c; |
1399 |
case XK_KP_Equal: return 0x51; |
1400 |
} |
1401 |
return -1; |
1402 |
} |
1403 |
|
1404 |
static int event2keycode(XKeyEvent &ev) |
1405 |
{ |
1406 |
KeySym ks; |
1407 |
int as; |
1408 |
int i = 0; |
1409 |
|
1410 |
do { |
1411 |
ks = XLookupKeysym(&ev, i++); |
1412 |
as = kc_decode(ks); |
1413 |
if (as != -1) |
1414 |
return as; |
1415 |
} while (ks != NoSymbol); |
1416 |
|
1417 |
return -1; |
1418 |
} |
1419 |
|
1420 |
|
1421 |
/* |
1422 |
* X event handling |
1423 |
*/ |
1424 |
|
1425 |
static void handle_events(void) |
1426 |
{ |
1427 |
while (XPending(x_display)) { |
1428 |
XEvent event; |
1429 |
XNextEvent(x_display, &event); |
1430 |
|
1431 |
switch (event.type) { |
1432 |
// Mouse button |
1433 |
case ButtonPress: { |
1434 |
unsigned int button = event.xbutton.button; |
1435 |
if (button < 4) |
1436 |
ADBMouseDown(button - 1); |
1437 |
else if (button < 6) { // Wheel mouse |
1438 |
if (mouse_wheel_mode == 0) { |
1439 |
int key = (button == 5) ? 0x79 : 0x74; // Page up/down |
1440 |
ADBKeyDown(key); |
1441 |
ADBKeyUp(key); |
1442 |
} else { |
1443 |
int key = (button == 5) ? 0x3d : 0x3e; // Cursor up/down |
1444 |
for(int i=0; i<mouse_wheel_lines; i++) { |
1445 |
ADBKeyDown(key); |
1446 |
ADBKeyUp(key); |
1447 |
} |
1448 |
} |
1449 |
} |
1450 |
break; |
1451 |
} |
1452 |
case ButtonRelease: { |
1453 |
unsigned int button = event.xbutton.button; |
1454 |
if (button < 4) |
1455 |
ADBMouseUp(button - 1); |
1456 |
break; |
1457 |
} |
1458 |
|
1459 |
// Mouse moved |
1460 |
case EnterNotify: |
1461 |
case MotionNotify: |
1462 |
ADBMouseMoved(event.xmotion.x, event.xmotion.y); |
1463 |
break; |
1464 |
|
1465 |
// Keyboard |
1466 |
case KeyPress: { |
1467 |
int code; |
1468 |
if (use_keycodes) { |
1469 |
event2keycode(event.xkey); // This is called to process the hotkeys |
1470 |
code = keycode_table[event.xkey.keycode & 0xff]; |
1471 |
} else |
1472 |
code = event2keycode(event.xkey); |
1473 |
if (code != -1) { |
1474 |
if (!emul_suspended) { |
1475 |
if (code == 0x39) { // Caps Lock pressed |
1476 |
if (caps_on) { |
1477 |
ADBKeyUp(code); |
1478 |
caps_on = false; |
1479 |
} else { |
1480 |
ADBKeyDown(code); |
1481 |
caps_on = true; |
1482 |
} |
1483 |
} else |
1484 |
ADBKeyDown(code); |
1485 |
if (code == 0x36) |
1486 |
ctrl_down = true; |
1487 |
} else { |
1488 |
#if defined(ENABLE_XF86_DGA) || defined(ENABLE_FBDEV_DGA) |
1489 |
if (code == 0x31) |
1490 |
resume_emul(); // Space wakes us up |
1491 |
#endif |
1492 |
} |
1493 |
} |
1494 |
break; |
1495 |
} |
1496 |
case KeyRelease: { |
1497 |
int code; |
1498 |
if (use_keycodes) { |
1499 |
event2keycode(event.xkey); // This is called to process the hotkeys |
1500 |
code = keycode_table[event.xkey.keycode & 0xff]; |
1501 |
} else |
1502 |
code = event2keycode(event.xkey); |
1503 |
if (code != -1 && code != 0x39) { // Don't propagate Caps Lock releases |
1504 |
ADBKeyUp(code); |
1505 |
if (code == 0x36) |
1506 |
ctrl_down = false; |
1507 |
} |
1508 |
break; |
1509 |
} |
1510 |
|
1511 |
// Hidden parts exposed, force complete refresh of window |
1512 |
case Expose: |
1513 |
if (display_type == DISPLAY_WINDOW) { |
1514 |
#ifdef ENABLE_VOSF |
1515 |
if (use_vosf) { // VOSF refresh |
1516 |
LOCK_VOSF; |
1517 |
PFLAG_SET_ALL; |
1518 |
UNLOCK_VOSF; |
1519 |
memset(the_buffer_copy, 0, VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y); |
1520 |
} |
1521 |
else |
1522 |
#endif |
1523 |
if (frame_skip == 0) { // Dynamic refresh |
1524 |
int x1, y1; |
1525 |
for (y1=0; y1<16; y1++) |
1526 |
for (x1=0; x1<16; x1++) |
1527 |
updt_box[x1][y1] = true; |
1528 |
nr_boxes = 16 * 16; |
1529 |
} else // Static refresh |
1530 |
memset(the_buffer_copy, 0, VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y); |
1531 |
} |
1532 |
break; |
1533 |
|
1534 |
// Window "close" widget clicked |
1535 |
case ClientMessage: |
1536 |
if (event.xclient.format == 32 && event.xclient.data.l[0] == WM_DELETE_WINDOW) { |
1537 |
ADBKeyDown(0x7f); // Power key |
1538 |
ADBKeyUp(0x7f); |
1539 |
} |
1540 |
break; |
1541 |
} |
1542 |
} |
1543 |
} |
1544 |
|
1545 |
|
1546 |
/* |
1547 |
* Window display update |
1548 |
*/ |
1549 |
|
1550 |
// Dynamic display update (variable frame rate for each box) |
1551 |
static void update_display_dynamic(int ticker) |
1552 |
{ |
1553 |
int y1, y2, y2s, y2a, i, x1, xm, xmo, ymo, yo, yi, yil, xi; |
1554 |
int xil = 0; |
1555 |
int rxm = 0, rxmo = 0; |
1556 |
int bytes_per_row = VideoMonitor.mode.bytes_per_row; |
1557 |
int bytes_per_pixel = VideoMonitor.mode.bytes_per_row / VideoMonitor.mode.x; |
1558 |
int rx = VideoMonitor.mode.bytes_per_row / 16; |
1559 |
int ry = VideoMonitor.mode.y / 16; |
1560 |
int max_box; |
1561 |
|
1562 |
y2s = sm_uptd[ticker % 8]; |
1563 |
y2a = 8; |
1564 |
for (i = 0; i < 6; i++) |
1565 |
if (ticker % (2 << i)) |
1566 |
break; |
1567 |
max_box = sm_no_boxes[i]; |
1568 |
|
1569 |
if (y2a) { |
1570 |
for (y1=0; y1<16; y1++) { |
1571 |
for (y2=y2s; y2 < ry; y2 += y2a) { |
1572 |
i = ((y1 * ry) + y2) * bytes_per_row; |
1573 |
for (x1=0; x1<16; x1++, i += rx) { |
1574 |
if (updt_box[x1][y1] == false) { |
1575 |
if (memcmp(&the_buffer_copy[i], &the_buffer[i], rx)) { |
1576 |
updt_box[x1][y1] = true; |
1577 |
nr_boxes++; |
1578 |
} |
1579 |
} |
1580 |
} |
1581 |
} |
1582 |
} |
1583 |
} |
1584 |
|
1585 |
if ((nr_boxes <= max_box) && (nr_boxes)) { |
1586 |
for (y1=0; y1<16; y1++) { |
1587 |
for (x1=0; x1<16; x1++) { |
1588 |
if (updt_box[x1][y1] == true) { |
1589 |
if (rxm == 0) |
1590 |
xm = x1; |
1591 |
rxm += rx; |
1592 |
updt_box[x1][y1] = false; |
1593 |
} |
1594 |
if (((updt_box[x1+1][y1] == false) || (x1 == 15)) && (rxm)) { |
1595 |
if ((rxmo != rxm) || (xmo != xm) || (yo != y1 - 1)) { |
1596 |
if (rxmo) { |
1597 |
xi = xmo * rx; |
1598 |
yi = ymo * ry; |
1599 |
xil = rxmo; |
1600 |
yil = (yo - ymo +1) * ry; |
1601 |
} |
1602 |
rxmo = rxm; |
1603 |
xmo = xm; |
1604 |
ymo = y1; |
1605 |
} |
1606 |
rxm = 0; |
1607 |
yo = y1; |
1608 |
} |
1609 |
if (xil) { |
1610 |
i = (yi * bytes_per_row) + xi; |
1611 |
for (y2=0; y2 < yil; y2++, i += bytes_per_row) |
1612 |
memcpy(&the_buffer_copy[i], &the_buffer[i], xil); |
1613 |
if (VideoMonitor.mode.depth == VDEPTH_1BIT) { |
1614 |
if (have_shm) |
1615 |
XShmPutImage(x_display, the_win, the_gc, img, xi * 8, yi, xi * 8, yi, xil * 8, yil, 0); |
1616 |
else |
1617 |
XPutImage(x_display, the_win, the_gc, img, xi * 8, yi, xi * 8, yi, xil * 8, yil); |
1618 |
} else { |
1619 |
if (have_shm) |
1620 |
XShmPutImage(x_display, the_win, the_gc, img, xi / bytes_per_pixel, yi, xi / bytes_per_pixel, yi, xil / bytes_per_pixel, yil, 0); |
1621 |
else |
1622 |
XPutImage(x_display, the_win, the_gc, img, xi / bytes_per_pixel, yi, xi / bytes_per_pixel, yi, xil / bytes_per_pixel, yil); |
1623 |
} |
1624 |
xil = 0; |
1625 |
} |
1626 |
if ((x1 == 15) && (y1 == 15) && (rxmo)) { |
1627 |
x1--; |
1628 |
xi = xmo * rx; |
1629 |
yi = ymo * ry; |
1630 |
xil = rxmo; |
1631 |
yil = (yo - ymo +1) * ry; |
1632 |
rxmo = 0; |
1633 |
} |
1634 |
} |
1635 |
} |
1636 |
nr_boxes = 0; |
1637 |
} |
1638 |
} |
1639 |
|
1640 |
// Static display update (fixed frame rate, but incremental) |
1641 |
static void update_display_static(void) |
1642 |
{ |
1643 |
// Incremental update code |
1644 |
int wide = 0, high = 0, x1, x2, y1, y2, i, j; |
1645 |
int bytes_per_row = VideoMonitor.mode.bytes_per_row; |
1646 |
int bytes_per_pixel = VideoMonitor.mode.bytes_per_row / VideoMonitor.mode.x; |
1647 |
uint8 *p, *p2; |
1648 |
|
1649 |
// Check for first line from top and first line from bottom that have changed |
1650 |
y1 = 0; |
1651 |
for (j=0; j<VideoMonitor.mode.y; j++) { |
1652 |
if (memcmp(&the_buffer[j * bytes_per_row], &the_buffer_copy[j * bytes_per_row], bytes_per_row)) { |
1653 |
y1 = j; |
1654 |
break; |
1655 |
} |
1656 |
} |
1657 |
y2 = y1 - 1; |
1658 |
for (j=VideoMonitor.mode.y-1; j>=y1; j--) { |
1659 |
if (memcmp(&the_buffer[j * bytes_per_row], &the_buffer_copy[j * bytes_per_row], bytes_per_row)) { |
1660 |
y2 = j; |
1661 |
break; |
1662 |
} |
1663 |
} |
1664 |
high = y2 - y1 + 1; |
1665 |
|
1666 |
// Check for first column from left and first column from right that have changed |
1667 |
if (high) { |
1668 |
if (VideoMonitor.mode.depth == VDEPTH_1BIT) { |
1669 |
x1 = VideoMonitor.mode.x - 1; |
1670 |
for (j=y1; j<=y2; j++) { |
1671 |
p = &the_buffer[j * bytes_per_row]; |
1672 |
p2 = &the_buffer_copy[j * bytes_per_row]; |
1673 |
for (i=0; i<(x1>>3); i++) { |
1674 |
if (*p != *p2) { |
1675 |
x1 = i << 3; |
1676 |
break; |
1677 |
} |
1678 |
p++; p2++; |
1679 |
} |
1680 |
} |
1681 |
x2 = x1; |
1682 |
for (j=y1; j<=y2; j++) { |
1683 |
p = &the_buffer[j * bytes_per_row]; |
1684 |
p2 = &the_buffer_copy[j * bytes_per_row]; |
1685 |
p += bytes_per_row; |
1686 |
p2 += bytes_per_row; |
1687 |
for (i=(VideoMonitor.mode.x>>3); i>(x2>>3); i--) { |
1688 |
p--; p2--; |
1689 |
if (*p != *p2) { |
1690 |
x2 = (i << 3) + 7; |
1691 |
break; |
1692 |
} |
1693 |
} |
1694 |
} |
1695 |
wide = x2 - x1 + 1; |
1696 |
|
1697 |
// Update copy of the_buffer |
1698 |
if (high && wide) { |
1699 |
for (j=y1; j<=y2; j++) { |
1700 |
i = j * bytes_per_row + (x1 >> 3); |
1701 |
memcpy(the_buffer_copy + i, the_buffer + i, wide >> 3); |
1702 |
} |
1703 |
} |
1704 |
|
1705 |
} else { |
1706 |
x1 = VideoMonitor.mode.x; |
1707 |
for (j=y1; j<=y2; j++) { |
1708 |
p = &the_buffer[j * bytes_per_row]; |
1709 |
p2 = &the_buffer_copy[j * bytes_per_row]; |
1710 |
for (i=0; i<x1*bytes_per_pixel; i++) { |
1711 |
if (*p != *p2) { |
1712 |
x1 = i / bytes_per_pixel; |
1713 |
break; |
1714 |
} |
1715 |
p++; p2++; |
1716 |
} |
1717 |
} |
1718 |
x2 = x1; |
1719 |
for (j=y1; j<=y2; j++) { |
1720 |
p = &the_buffer[j * bytes_per_row]; |
1721 |
p2 = &the_buffer_copy[j * bytes_per_row]; |
1722 |
p += bytes_per_row; |
1723 |
p2 += bytes_per_row; |
1724 |
for (i=VideoMonitor.mode.x*bytes_per_pixel; i>x2*bytes_per_pixel; i--) { |
1725 |
p--; |
1726 |
p2--; |
1727 |
if (*p != *p2) { |
1728 |
x2 = i / bytes_per_pixel; |
1729 |
break; |
1730 |
} |
1731 |
} |
1732 |
} |
1733 |
wide = x2 - x1; |
1734 |
|
1735 |
// Update copy of the_buffer |
1736 |
if (high && wide) { |
1737 |
for (j=y1; j<=y2; j++) { |
1738 |
i = j * bytes_per_row + x1 * bytes_per_pixel; |
1739 |
memcpy(the_buffer_copy + i, the_buffer + i, bytes_per_pixel * wide); |
1740 |
} |
1741 |
} |
1742 |
} |
1743 |
} |
1744 |
|
1745 |
// Refresh display |
1746 |
if (high && wide) { |
1747 |
if (have_shm) |
1748 |
XShmPutImage(x_display, the_win, the_gc, img, x1, y1, x1, y1, wide, high, 0); |
1749 |
else |
1750 |
XPutImage(x_display, the_win, the_gc, img, x1, y1, x1, y1, wide, high); |
1751 |
} |
1752 |
} |
1753 |
|
1754 |
|
1755 |
/* |
1756 |
* Screen refresh functions |
1757 |
*/ |
1758 |
|
1759 |
// We suggest the compiler to inline the next two functions so that it |
1760 |
// may specialise the code according to the current screen depth and |
1761 |
// display type. A clever compiler would do that job by itself though... |
1762 |
|
1763 |
// NOTE: update_display_vosf is inlined too |
1764 |
|
1765 |
static inline void possibly_quit_dga_mode() |
1766 |
{ |
1767 |
#if defined(ENABLE_XF86_DGA) || defined(ENABLE_FBDEV_DGA) |
1768 |
// Quit DGA mode if requested |
1769 |
if (quit_full_screen) { |
1770 |
quit_full_screen = false; |
1771 |
#ifdef ENABLE_XF86_DGA |
1772 |
XF86DGADirectVideo(x_display, screen, 0); |
1773 |
#endif |
1774 |
XUngrabPointer(x_display, CurrentTime); |
1775 |
XUngrabKeyboard(x_display, CurrentTime); |
1776 |
XUnmapWindow(x_display, the_win); |
1777 |
wait_unmapped(the_win); |
1778 |
} |
1779 |
#endif |
1780 |
} |
1781 |
|
1782 |
static inline void handle_palette_changes(int display_type) |
1783 |
{ |
1784 |
LOCK_PALETTE; |
1785 |
|
1786 |
if (palette_changed) { |
1787 |
palette_changed = false; |
1788 |
if (!IsDirectMode(VideoMonitor.mode)) { |
1789 |
XStoreColors(x_display, cmap[0], palette, 256); |
1790 |
XStoreColors(x_display, cmap[1], palette, 256); |
1791 |
XSync(x_display, false); |
1792 |
|
1793 |
#ifdef ENABLE_XF86_DGA |
1794 |
if (display_type == DISPLAY_DGA) { |
1795 |
current_dga_cmap ^= 1; |
1796 |
XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]); |
1797 |
} |
1798 |
#endif |
1799 |
} |
1800 |
} |
1801 |
|
1802 |
UNLOCK_PALETTE; |
1803 |
} |
1804 |
|
1805 |
static void video_refresh_dga(void) |
1806 |
{ |
1807 |
// Quit DGA mode if requested |
1808 |
possibly_quit_dga_mode(); |
1809 |
|
1810 |
// Handle X events |
1811 |
handle_events(); |
1812 |
|
1813 |
// Handle palette changes |
1814 |
handle_palette_changes(DISPLAY_DGA); |
1815 |
} |
1816 |
|
1817 |
#ifdef ENABLE_VOSF |
1818 |
#if REAL_ADDRESSING || DIRECT_ADDRESSING |
1819 |
static void video_refresh_dga_vosf(void) |
1820 |
{ |
1821 |
// Quit DGA mode if requested |
1822 |
possibly_quit_dga_mode(); |
1823 |
|
1824 |
// Handle X events |
1825 |
handle_events(); |
1826 |
|
1827 |
// Handle palette changes |
1828 |
handle_palette_changes(DISPLAY_DGA); |
1829 |
|
1830 |
// Update display (VOSF variant) |
1831 |
static int tick_counter = 0; |
1832 |
if (++tick_counter >= frame_skip) { |
1833 |
tick_counter = 0; |
1834 |
if (mainBuffer.dirty) { |
1835 |
LOCK_VOSF; |
1836 |
update_display_dga_vosf(); |
1837 |
UNLOCK_VOSF; |
1838 |
} |
1839 |
} |
1840 |
} |
1841 |
#endif |
1842 |
|
1843 |
static void video_refresh_window_vosf(void) |
1844 |
{ |
1845 |
// Quit DGA mode if requested |
1846 |
possibly_quit_dga_mode(); |
1847 |
|
1848 |
// Handle X events |
1849 |
handle_events(); |
1850 |
|
1851 |
// Handle palette changes |
1852 |
handle_palette_changes(DISPLAY_WINDOW); |
1853 |
|
1854 |
// Update display (VOSF variant) |
1855 |
static int tick_counter = 0; |
1856 |
if (++tick_counter >= frame_skip) { |
1857 |
tick_counter = 0; |
1858 |
if (mainBuffer.dirty) { |
1859 |
LOCK_VOSF; |
1860 |
update_display_window_vosf(); |
1861 |
UNLOCK_VOSF; |
1862 |
XSync(x_display, false); // Let the server catch up |
1863 |
} |
1864 |
} |
1865 |
} |
1866 |
#endif // def ENABLE_VOSF |
1867 |
|
1868 |
static void video_refresh_window_static(void) |
1869 |
{ |
1870 |
// Handle X events |
1871 |
handle_events(); |
1872 |
|
1873 |
// Handle_palette changes |
1874 |
handle_palette_changes(DISPLAY_WINDOW); |
1875 |
|
1876 |
// Update display (static variant) |
1877 |
static int tick_counter = 0; |
1878 |
if (++tick_counter >= frame_skip) { |
1879 |
tick_counter = 0; |
1880 |
update_display_static(); |
1881 |
} |
1882 |
} |
1883 |
|
1884 |
static void video_refresh_window_dynamic(void) |
1885 |
{ |
1886 |
// Handle X events |
1887 |
handle_events(); |
1888 |
|
1889 |
// Handle_palette changes |
1890 |
handle_palette_changes(DISPLAY_WINDOW); |
1891 |
|
1892 |
// Update display (dynamic variant) |
1893 |
static int tick_counter = 0; |
1894 |
tick_counter++; |
1895 |
update_display_dynamic(tick_counter); |
1896 |
} |
1897 |
|
1898 |
|
1899 |
/* |
1900 |
* Thread for screen refresh, input handling etc. |
1901 |
*/ |
1902 |
|
1903 |
static void VideoRefreshInit(void) |
1904 |
{ |
1905 |
// TODO: set up specialised 8bpp VideoRefresh handlers ? |
1906 |
if (display_type == DISPLAY_DGA) { |
1907 |
#if ENABLE_VOSF && (REAL_ADDRESSING || DIRECT_ADDRESSING) |
1908 |
if (use_vosf) |
1909 |
video_refresh = video_refresh_dga_vosf; |
1910 |
else |
1911 |
#endif |
1912 |
video_refresh = video_refresh_dga; |
1913 |
} |
1914 |
else { |
1915 |
#ifdef ENABLE_VOSF |
1916 |
if (use_vosf) |
1917 |
video_refresh = video_refresh_window_vosf; |
1918 |
else |
1919 |
#endif |
1920 |
if (frame_skip == 0) |
1921 |
video_refresh = video_refresh_window_dynamic; |
1922 |
else |
1923 |
video_refresh = video_refresh_window_static; |
1924 |
} |
1925 |
} |
1926 |
|
1927 |
void VideoRefresh(void) |
1928 |
{ |
1929 |
// TODO: make main_unix/VideoRefresh call directly video_refresh() ? |
1930 |
video_refresh(); |
1931 |
} |
1932 |
|
1933 |
#ifdef HAVE_PTHREADS |
1934 |
static void *redraw_func(void *arg) |
1935 |
{ |
1936 |
uint64 start = GetTicks_usec(); |
1937 |
int64 ticks = 0; |
1938 |
uint64 next = GetTicks_usec(); |
1939 |
while (!redraw_thread_cancel) { |
1940 |
video_refresh(); |
1941 |
next += 16667; |
1942 |
int64 delay = next - GetTicks_usec(); |
1943 |
if (delay > 0) |
1944 |
Delay_usec(delay); |
1945 |
else if (delay < -16667) |
1946 |
next = GetTicks_usec(); |
1947 |
ticks++; |
1948 |
} |
1949 |
uint64 end = GetTicks_usec(); |
1950 |
// printf("%Ld ticks in %Ld usec = %Ld ticks/sec\n", ticks, end - start, ticks * 1000000 / (end - start)); |
1951 |
return NULL; |
1952 |
} |
1953 |
#endif |