| 1 |
/* |
| 2 |
* video_x.cpp - Video/graphics emulation, X11 specific stuff |
| 3 |
* |
| 4 |
* Basilisk II (C) 1997-1999 Christian Bauer |
| 5 |
* |
| 6 |
* This program is free software; you can redistribute it and/or modify |
| 7 |
* it under the terms of the GNU General Public License as published by |
| 8 |
* the Free Software Foundation; either version 2 of the License, or |
| 9 |
* (at your option) any later version. |
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* |
| 11 |
* This program is distributed in the hope that it will be useful, |
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
* GNU General Public License for more details. |
| 15 |
* |
| 16 |
* You should have received a copy of the GNU General Public License |
| 17 |
* along with this program; if not, write to the Free Software |
| 18 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 |
*/ |
| 20 |
|
| 21 |
/* |
| 22 |
* NOTES: |
| 23 |
* The Ctrl key works like a qualifier for special actions: |
| 24 |
* Ctrl-Tab = suspend DGA mode |
| 25 |
* Ctrl-Esc = emergency quit |
| 26 |
* Ctrl-F1 = mount floppy |
| 27 |
*/ |
| 28 |
|
| 29 |
#include "sysdeps.h" |
| 30 |
|
| 31 |
#include <X11/Xlib.h> |
| 32 |
#include <X11/Xutil.h> |
| 33 |
#include <X11/keysym.h> |
| 34 |
#include <X11/extensions/XShm.h> |
| 35 |
#include <sys/ipc.h> |
| 36 |
#include <sys/shm.h> |
| 37 |
#include <pthread.h> |
| 38 |
#include <errno.h> |
| 39 |
|
| 40 |
#include "cpu_emulation.h" |
| 41 |
#include "main.h" |
| 42 |
#include "adb.h" |
| 43 |
#include "macos_util.h" |
| 44 |
#include "prefs.h" |
| 45 |
#include "user_strings.h" |
| 46 |
#include "video.h" |
| 47 |
|
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#define DEBUG 1 |
| 49 |
#include "debug.h" |
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|
| 51 |
#if ENABLE_DGA |
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#include <X11/extensions/xf86dga.h> |
| 53 |
#endif |
| 54 |
|
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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 |
| 59 |
DISPLAY_DGA // DGA fullscreen display |
| 60 |
}; |
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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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|
| 66 |
|
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// Global variables |
| 68 |
static int32 frame_skip; |
| 69 |
static int display_type = DISPLAY_WINDOW; // See enum above |
| 70 |
static uint8 *the_buffer; // Mac frame buffer |
| 71 |
static bool redraw_thread_active = false; // Flag: Redraw thread installed |
| 72 |
static volatile bool redraw_thread_cancel = false; // Flag: Cancel Redraw thread |
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static pthread_t redraw_thread; // Redraw thread |
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|
| 75 |
static bool has_dga = false; // Flag: Video DGA capable |
| 76 |
|
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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 |
| 79 |
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 |
| 81 |
static bool emul_suspended = false; // Flag: Emulator suspended |
| 82 |
|
| 83 |
static bool classic_mode = false; // Flag: Classic Mac video mode |
| 84 |
|
| 85 |
static bool use_keycodes = false; // Flag: Use keycodes rather than keysyms |
| 86 |
static int keycode_table[256]; // X keycode -> Mac keycode translation table |
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|
| 88 |
// X11 variables |
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static int screen; // Screen number |
| 90 |
static int xdepth; // Depth of X screen |
| 91 |
static int depth; // Depth of Mac frame buffer |
| 92 |
static Window rootwin, the_win; // Root window and our window |
| 93 |
static XVisualInfo visualInfo; |
| 94 |
static Visual *vis; |
| 95 |
static Colormap cmap[2]; // Two colormaps (DGA) for 8-bit mode |
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static XColor black, white; |
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static unsigned long black_pixel, white_pixel; |
| 98 |
static int eventmask; |
| 99 |
static const int win_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask | EnterWindowMask | ExposureMask; |
| 100 |
static const int dga_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask; |
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|
| 102 |
static pthread_mutex_t palette_lock = PTHREAD_MUTEX_INITIALIZER; // Mutex to protect palette |
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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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|
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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 XImage *cursor_image, *cursor_mask_image; |
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static Pixmap cursor_map, cursor_mask_map; |
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static Cursor mac_cursor; |
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static GC cursor_gc, cursor_mask_gc; |
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static uint8 *the_buffer_copy = NULL; // Copy of Mac frame buffer |
| 115 |
static uint8 the_cursor[64]; // Cursor image data |
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static bool have_shm = false; // Flag: SHM extensions available |
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|
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// Variables for 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 |
| 122 |
|
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static pthread_mutex_t frame_buffer_lock = PTHREAD_MUTEX_INITIALIZER; // Mutex to protect frame buffer |
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|
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|
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// Prototypes |
| 127 |
static void *redraw_func(void *arg); |
| 128 |
static int event2keycode(XKeyEvent *ev); |
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|
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|
| 131 |
// From main_unix.cpp |
| 132 |
extern Display *x_display; |
| 133 |
|
| 134 |
// From sys_unix.cpp |
| 135 |
extern void SysMountFirstFloppy(void); |
| 136 |
|
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|
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/* |
| 139 |
* Initialization |
| 140 |
*/ |
| 141 |
|
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// Set VideoMonitor according to video mode |
| 143 |
void set_video_monitor(int width, int height, int bytes_per_row, bool native_byte_order) |
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{ |
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int layout; |
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switch (depth) { |
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case 1: |
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layout = FLAYOUT_DIRECT; |
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VideoMonitor.mode = VMODE_1BIT; |
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break; |
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case 8: |
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layout = FLAYOUT_DIRECT; |
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VideoMonitor.mode = VMODE_8BIT; |
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break; |
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case 15: |
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layout = FLAYOUT_HOST_555; |
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VideoMonitor.mode = VMODE_16BIT; |
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break; |
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case 16: |
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layout = FLAYOUT_HOST_565; |
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VideoMonitor.mode = VMODE_16BIT; |
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break; |
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case 24: |
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case 32: |
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layout = FLAYOUT_HOST_888; |
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VideoMonitor.mode = VMODE_32BIT; |
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break; |
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} |
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VideoMonitor.x = width; |
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VideoMonitor.y = height; |
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VideoMonitor.bytes_per_row = bytes_per_row; |
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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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} |
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|
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// Trap SHM errors |
| 179 |
static bool shm_error = false; |
| 180 |
static int (*old_error_handler)(Display *, XErrorEvent *); |
| 181 |
|
| 182 |
static int error_handler(Display *d, XErrorEvent *e) |
| 183 |
{ |
| 184 |
if (e->error_code == BadAccess) { |
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shm_error = true; |
| 186 |
return 0; |
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} else |
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return old_error_handler(d, e); |
| 189 |
} |
| 190 |
|
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// Init window mode |
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static bool init_window(int width, int height) |
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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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if (frame_skip == 0) |
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frame_skip = 1; |
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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.border_pixel = black_pixel; |
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wattr.backing_store = Always; |
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wattr.backing_planes = xdepth; |
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|
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XSync(x_display, false); |
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the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth, |
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InputOutput, vis, CWEventMask | CWBackPixel | CWBorderPixel | |
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CWBackingStore | CWBackingPlanes, &wattr); |
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XSync(x_display, false); |
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XStoreName(x_display, the_win, GetString(STR_WINDOW_TITLE)); |
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XMapRaised(x_display, the_win); |
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XSync(x_display, false); |
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|
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// Set colormap |
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if (depth == 8) { |
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XSetWindowColormap(x_display, the_win, cmap[0]); |
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XSetWMColormapWindows(x_display, the_win, &the_win, 1); |
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} |
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|
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// Make window unresizable |
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XSizeHints *hints; |
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if ((hints = XAllocSizeHints()) != NULL) { |
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hints->min_width = width; |
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hints->max_width = width; |
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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((char *)hints); |
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} |
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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 (depth != 1 && XShmQueryExtension(x_display)) { |
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|
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// Create SHM image ("height + 2" for safety) |
| 242 |
img = XShmCreateImage(x_display, vis, depth, depth == 1 ? XYBitmap : ZPixmap, 0, &shminfo, width, height); |
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shminfo.shmid = shmget(IPC_PRIVATE, (height + 2) * img->bytes_per_line, IPC_CREAT | 0777); |
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the_buffer = (uint8 *)shmat(shminfo.shmid, 0, 0); |
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shminfo.shmaddr = img->data = (char *)the_buffer; |
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shminfo.readOnly = False; |
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|
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// Try to attach SHM image, catching errors |
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shm_error = false; |
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old_error_handler = XSetErrorHandler(error_handler); |
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XShmAttach(x_display, &shminfo); |
| 252 |
XSync(x_display, false); |
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XSetErrorHandler(old_error_handler); |
| 254 |
if (shm_error) { |
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shmdt(shminfo.shmaddr); |
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XDestroyImage(img); |
| 257 |
shminfo.shmid = -1; |
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} else { |
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have_shm = true; |
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shmctl(shminfo.shmid, IPC_RMID, 0); |
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} |
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} |
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|
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// Create normal X image if SHM doesn't work ("height + 2" for safety) |
| 265 |
if (!have_shm) { |
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int bytes_per_row = width; |
| 267 |
switch (depth) { |
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case 1: |
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bytes_per_row /= 8; |
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break; |
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case 15: |
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case 16: |
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bytes_per_row *= 2; |
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break; |
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case 24: |
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case 32: |
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bytes_per_row *= 4; |
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break; |
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} |
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the_buffer = (uint8 *)malloc((height + 2) * bytes_per_row); |
| 281 |
img = XCreateImage(x_display, vis, depth, depth == 1 ? XYBitmap : ZPixmap, 0, (char *)the_buffer, width, height, 32, bytes_per_row); |
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} |
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|
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// 1-Bit mode is big-endian |
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if (depth == 1) { |
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img->byte_order = MSBFirst; |
| 287 |
img->bitmap_bit_order = MSBFirst; |
| 288 |
} |
| 289 |
|
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// Allocate memory for frame buffer copy |
| 291 |
the_buffer_copy = (uint8 *)malloc((height + 2) * img->bytes_per_line); |
| 292 |
|
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// Create GC |
| 294 |
the_gc = XCreateGC(x_display, the_win, 0, 0); |
| 295 |
XSetState(x_display, the_gc, black_pixel, white_pixel, GXcopy, AllPlanes); |
| 296 |
|
| 297 |
// Create cursor |
| 298 |
cursor_image = XCreateImage(x_display, vis, 1, XYPixmap, 0, (char *)the_cursor, 16, 16, 16, 2); |
| 299 |
cursor_image->byte_order = MSBFirst; |
| 300 |
cursor_image->bitmap_bit_order = MSBFirst; |
| 301 |
cursor_mask_image = XCreateImage(x_display, vis, 1, XYPixmap, 0, (char *)the_cursor+32, 16, 16, 16, 2); |
| 302 |
cursor_mask_image->byte_order = MSBFirst; |
| 303 |
cursor_mask_image->bitmap_bit_order = MSBFirst; |
| 304 |
cursor_map = XCreatePixmap(x_display, the_win, 16, 16, 1); |
| 305 |
cursor_mask_map = XCreatePixmap(x_display, the_win, 16, 16, 1); |
| 306 |
cursor_gc = XCreateGC(x_display, cursor_map, 0, 0); |
| 307 |
cursor_mask_gc = XCreateGC(x_display, cursor_mask_map, 0, 0); |
| 308 |
mac_cursor = XCreatePixmapCursor(x_display, cursor_map, cursor_mask_map, &black, &white, 0, 0); |
| 309 |
|
| 310 |
// Set VideoMonitor |
| 311 |
#ifdef WORDS_BIGENDIAN |
| 312 |
set_video_monitor(width, height, img->bytes_per_line, img->bitmap_bit_order == MSBFirst); |
| 313 |
#else |
| 314 |
set_video_monitor(width, height, img->bytes_per_line, img->bitmap_bit_order == LSBFirst); |
| 315 |
#endif |
| 316 |
#if REAL_ADDRESSING |
| 317 |
VideoMonitor.mac_frame_base = (uint32)the_buffer; |
| 318 |
MacFrameLayout = FLAYOUT_DIRECT; |
| 319 |
#else |
| 320 |
VideoMonitor.mac_frame_base = MacFrameBaseMac; |
| 321 |
#endif |
| 322 |
return true; |
| 323 |
} |
| 324 |
|
| 325 |
// Init DGA display |
| 326 |
static bool init_dga(int width, int height) |
| 327 |
{ |
| 328 |
#if ENABLE_DGA |
| 329 |
// Set relative mouse mode |
| 330 |
ADBSetRelMouseMode(true); |
| 331 |
|
| 332 |
// Create window |
| 333 |
XSetWindowAttributes wattr; |
| 334 |
wattr.event_mask = eventmask = dga_eventmask; |
| 335 |
wattr.border_pixel = black_pixel; |
| 336 |
wattr.override_redirect = True; |
| 337 |
|
| 338 |
XSync(x_display, false); |
| 339 |
the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth, |
| 340 |
InputOutput, vis, CWEventMask | CWBorderPixel | CWOverrideRedirect, &wattr); |
| 341 |
XSync(x_display, false); |
| 342 |
XStoreName(x_display, the_win, GetString(STR_WINDOW_TITLE)); |
| 343 |
XMapRaised(x_display, the_win); |
| 344 |
XSync(x_display, false); |
| 345 |
|
| 346 |
// Establish direct screen connection |
| 347 |
XMoveResizeWindow(x_display, the_win, 0, 0, width, height); |
| 348 |
XWarpPointer(x_display, None, rootwin, 0, 0, 0, 0, 0, 0); |
| 349 |
XGrabKeyboard(x_display, rootwin, True, GrabModeAsync, GrabModeAsync, CurrentTime); |
| 350 |
XGrabPointer(x_display, rootwin, True, PointerMotionMask | ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime); |
| 351 |
|
| 352 |
int v_width, v_bank, v_size; |
| 353 |
XF86DGAGetVideo(x_display, screen, (char **)&the_buffer, &v_width, &v_bank, &v_size); |
| 354 |
XF86DGADirectVideo(x_display, screen, XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse); |
| 355 |
XF86DGASetViewPort(x_display, screen, 0, 0); |
| 356 |
XF86DGASetVidPage(x_display, screen, 0); |
| 357 |
|
| 358 |
// Set colormap |
| 359 |
if (depth == 8) { |
| 360 |
XSetWindowColormap(x_display, the_win, cmap[current_dga_cmap = 0]); |
| 361 |
XSetWMColormapWindows(x_display, the_win, &the_win, 1); |
| 362 |
XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]); |
| 363 |
} |
| 364 |
|
| 365 |
// Set VideoMonitor |
| 366 |
int bytes_per_row = (v_width + 7) & ~7; |
| 367 |
switch (depth) { |
| 368 |
case 1: |
| 369 |
bytes_per_row /= 8; |
| 370 |
break; |
| 371 |
case 15: |
| 372 |
case 16: |
| 373 |
bytes_per_row *= 2; |
| 374 |
break; |
| 375 |
case 24: |
| 376 |
case 32: |
| 377 |
bytes_per_row *= 4; |
| 378 |
break; |
| 379 |
} |
| 380 |
set_video_monitor(width, height, bytes_per_row, true); |
| 381 |
#if REAL_ADDRESSING |
| 382 |
VideoMonitor.mac_frame_base = (uint32)the_buffer; |
| 383 |
MacFrameLayout = FLAYOUT_DIRECT; |
| 384 |
#else |
| 385 |
VideoMonitor.mac_frame_base = MacFrameBaseMac; |
| 386 |
#endif |
| 387 |
return true; |
| 388 |
#else |
| 389 |
ErrorAlert("Basilisk II has been compiled with DGA support disabled."); |
| 390 |
return false; |
| 391 |
#endif |
| 392 |
} |
| 393 |
|
| 394 |
// Init keycode translation table |
| 395 |
static void keycode_init(void) |
| 396 |
{ |
| 397 |
bool use_kc = PrefsFindBool("keycodes"); |
| 398 |
if (use_kc) { |
| 399 |
|
| 400 |
// Get keycode file path from preferences |
| 401 |
const char *kc_path = PrefsFindString("keycodefile"); |
| 402 |
|
| 403 |
// Open keycode table |
| 404 |
FILE *f = fopen(kc_path ? kc_path : KEYCODE_FILE_NAME, "r"); |
| 405 |
if (f == NULL) { |
| 406 |
char str[256]; |
| 407 |
sprintf(str, GetString(STR_KEYCODE_FILE_WARN), kc_path ? kc_path : KEYCODE_FILE_NAME, strerror(errno)); |
| 408 |
WarningAlert(str); |
| 409 |
return; |
| 410 |
} |
| 411 |
|
| 412 |
// Default translation table |
| 413 |
for (int i=0; i<256; i++) |
| 414 |
keycode_table[i] = -1; |
| 415 |
|
| 416 |
// Search for server vendor string, then read keycodes |
| 417 |
const char *vendor = ServerVendor(x_display); |
| 418 |
bool vendor_found = false; |
| 419 |
char line[256]; |
| 420 |
while (fgets(line, 255, f)) { |
| 421 |
// Read line |
| 422 |
int len = strlen(line); |
| 423 |
if (len == 0) |
| 424 |
continue; |
| 425 |
line[len-1] = 0; |
| 426 |
|
| 427 |
// Comments begin with "#" or ";" |
| 428 |
if (line[0] == '#' || line[0] == ';' || line[0] == 0) |
| 429 |
continue; |
| 430 |
|
| 431 |
if (vendor_found) { |
| 432 |
// Read keycode |
| 433 |
int x_code, mac_code; |
| 434 |
if (sscanf(line, "%d %d", &x_code, &mac_code) == 2) |
| 435 |
keycode_table[x_code & 0xff] = mac_code; |
| 436 |
else |
| 437 |
break; |
| 438 |
} else { |
| 439 |
// Search for vendor string |
| 440 |
if (strstr(vendor, line) == vendor) |
| 441 |
vendor_found = true; |
| 442 |
} |
| 443 |
} |
| 444 |
|
| 445 |
// Keycode file completely read |
| 446 |
fclose(f); |
| 447 |
use_keycodes = vendor_found; |
| 448 |
|
| 449 |
// Vendor not found? Then display warning |
| 450 |
if (!vendor_found) { |
| 451 |
char str[256]; |
| 452 |
sprintf(str, GetString(STR_KEYCODE_VENDOR_WARN), vendor, kc_path ? kc_path : KEYCODE_FILE_NAME); |
| 453 |
WarningAlert(str); |
| 454 |
return; |
| 455 |
} |
| 456 |
} |
| 457 |
} |
| 458 |
|
| 459 |
bool VideoInit(bool classic) |
| 460 |
{ |
| 461 |
// Init keycode translation |
| 462 |
keycode_init(); |
| 463 |
|
| 464 |
// Find screen and root window |
| 465 |
screen = XDefaultScreen(x_display); |
| 466 |
rootwin = XRootWindow(x_display, screen); |
| 467 |
|
| 468 |
// Get screen depth |
| 469 |
xdepth = DefaultDepth(x_display, screen); |
| 470 |
|
| 471 |
#if ENABLE_DGA |
| 472 |
// DGA available? |
| 473 |
int dga_flags = 0; |
| 474 |
XF86DGAQueryDirectVideo(x_display, screen, &dga_flags); |
| 475 |
has_dga = dga_flags & XF86DGADirectPresent; |
| 476 |
#endif |
| 477 |
|
| 478 |
// Find black and white colors |
| 479 |
XParseColor(x_display, DefaultColormap(x_display, screen), "rgb:00/00/00", &black); |
| 480 |
XAllocColor(x_display, DefaultColormap(x_display, screen), &black); |
| 481 |
XParseColor(x_display, DefaultColormap(x_display, screen), "rgb:ff/ff/ff", &white); |
| 482 |
XAllocColor(x_display, DefaultColormap(x_display, screen), &white); |
| 483 |
black_pixel = BlackPixel(x_display, screen); |
| 484 |
white_pixel = WhitePixel(x_display, screen); |
| 485 |
|
| 486 |
// Get appropriate visual |
| 487 |
int color_class; |
| 488 |
switch (xdepth) { |
| 489 |
case 1: |
| 490 |
color_class = StaticGray; |
| 491 |
break; |
| 492 |
case 8: |
| 493 |
color_class = PseudoColor; |
| 494 |
break; |
| 495 |
case 15: |
| 496 |
case 16: |
| 497 |
case 24: |
| 498 |
case 32: |
| 499 |
color_class = TrueColor; |
| 500 |
break; |
| 501 |
default: |
| 502 |
ErrorAlert(GetString(STR_UNSUPP_DEPTH_ERR)); |
| 503 |
return false; |
| 504 |
} |
| 505 |
if (!XMatchVisualInfo(x_display, screen, xdepth, color_class, &visualInfo)) { |
| 506 |
ErrorAlert(GetString(STR_NO_XVISUAL_ERR)); |
| 507 |
return false; |
| 508 |
} |
| 509 |
if (visualInfo.depth != xdepth) { |
| 510 |
ErrorAlert(GetString(STR_NO_XVISUAL_ERR)); |
| 511 |
return false; |
| 512 |
} |
| 513 |
vis = visualInfo.visual; |
| 514 |
|
| 515 |
// Mac screen depth is always 1 bit in Classic mode, but follows X depth otherwise |
| 516 |
classic_mode = classic; |
| 517 |
if (classic) |
| 518 |
depth = 1; |
| 519 |
else |
| 520 |
depth = xdepth; |
| 521 |
|
| 522 |
// Create color maps for 8 bit mode |
| 523 |
if (depth == 8) { |
| 524 |
cmap[0] = XCreateColormap(x_display, rootwin, vis, AllocAll); |
| 525 |
cmap[1] = XCreateColormap(x_display, rootwin, vis, AllocAll); |
| 526 |
XInstallColormap(x_display, cmap[0]); |
| 527 |
XInstallColormap(x_display, cmap[1]); |
| 528 |
} |
| 529 |
|
| 530 |
// Get screen mode from preferences |
| 531 |
const char *mode_str; |
| 532 |
if (classic) |
| 533 |
mode_str = "win/512/342"; |
| 534 |
else |
| 535 |
mode_str = PrefsFindString("screen"); |
| 536 |
|
| 537 |
// Determine type and mode |
| 538 |
int width = 512, height = 384; |
| 539 |
display_type = DISPLAY_WINDOW; |
| 540 |
if (mode_str) { |
| 541 |
if (sscanf(mode_str, "win/%d/%d", &width, &height) == 2) |
| 542 |
display_type = DISPLAY_WINDOW; |
| 543 |
else if (has_dga && sscanf(mode_str, "dga/%d/%d", &width, &height) == 2) { |
| 544 |
display_type = DISPLAY_DGA; |
| 545 |
if (width > DisplayWidth(x_display, screen)) |
| 546 |
width = DisplayWidth(x_display, screen); |
| 547 |
if (height > DisplayHeight(x_display, screen)) |
| 548 |
height = DisplayHeight(x_display, screen); |
| 549 |
} |
| 550 |
if (width <= 0) |
| 551 |
width = DisplayWidth(x_display, screen); |
| 552 |
if (height <= 0) |
| 553 |
height = DisplayHeight(x_display, screen); |
| 554 |
} |
| 555 |
|
| 556 |
// Initialize according to display type |
| 557 |
switch (display_type) { |
| 558 |
case DISPLAY_WINDOW: |
| 559 |
if (!init_window(width, height)) |
| 560 |
return false; |
| 561 |
break; |
| 562 |
case DISPLAY_DGA: |
| 563 |
if (!init_dga(width, height)) |
| 564 |
return false; |
| 565 |
break; |
| 566 |
} |
| 567 |
|
| 568 |
// Lock down frame buffer |
| 569 |
pthread_mutex_lock(&frame_buffer_lock); |
| 570 |
|
| 571 |
#if !REAL_ADDRESSING |
| 572 |
// Set variables for UAE memory mapping |
| 573 |
MacFrameBaseHost = the_buffer; |
| 574 |
MacFrameSize = VideoMonitor.bytes_per_row * VideoMonitor.y; |
| 575 |
|
| 576 |
// No special frame buffer in Classic mode (frame buffer is in Mac RAM) |
| 577 |
if (classic) |
| 578 |
MacFrameLayout = FLAYOUT_NONE; |
| 579 |
#endif |
| 580 |
|
| 581 |
// Start redraw/input thread |
| 582 |
XSync(x_display, false); |
| 583 |
redraw_thread_active = (pthread_create(&redraw_thread, NULL, redraw_func, NULL) == 0); |
| 584 |
if (!redraw_thread_active) |
| 585 |
printf("FATAL: cannot create redraw thread\n"); |
| 586 |
return redraw_thread_active; |
| 587 |
} |
| 588 |
|
| 589 |
|
| 590 |
/* |
| 591 |
* Deinitialization |
| 592 |
*/ |
| 593 |
|
| 594 |
void VideoExit(void) |
| 595 |
{ |
| 596 |
// Stop redraw thread |
| 597 |
if (redraw_thread_active) { |
| 598 |
redraw_thread_cancel = true; |
| 599 |
#ifdef HAVE_PTHREAD_CANCEL |
| 600 |
pthread_cancel(redraw_thread); |
| 601 |
#endif |
| 602 |
pthread_join(redraw_thread, NULL); |
| 603 |
redraw_thread_active = false; |
| 604 |
} |
| 605 |
|
| 606 |
// Unlock frame buffer |
| 607 |
pthread_mutex_unlock(&frame_buffer_lock); |
| 608 |
|
| 609 |
// Close window and server connection |
| 610 |
if (x_display != NULL) { |
| 611 |
XSync(x_display, false); |
| 612 |
|
| 613 |
#if ENABLE_DGA |
| 614 |
if (display_type == DISPLAY_DGA) { |
| 615 |
XF86DGADirectVideo(x_display, screen, 0); |
| 616 |
XUngrabPointer(x_display, CurrentTime); |
| 617 |
XUngrabKeyboard(x_display, CurrentTime); |
| 618 |
} |
| 619 |
#endif |
| 620 |
|
| 621 |
if (the_buffer_copy) { |
| 622 |
free(the_buffer_copy); |
| 623 |
the_buffer_copy = NULL; |
| 624 |
} |
| 625 |
|
| 626 |
XFlush(x_display); |
| 627 |
XSync(x_display, false); |
| 628 |
if (depth == 8) { |
| 629 |
XFreeColormap(x_display, cmap[0]); |
| 630 |
XFreeColormap(x_display, cmap[1]); |
| 631 |
} |
| 632 |
} |
| 633 |
} |
| 634 |
|
| 635 |
|
| 636 |
/* |
| 637 |
* Close down full-screen mode (if bringing up error alerts is unsafe while in full-screen mode) |
| 638 |
*/ |
| 639 |
|
| 640 |
void VideoQuitFullScreen(void) |
| 641 |
{ |
| 642 |
D(bug("VideoQuitFullScreen()\n")); |
| 643 |
if (display_type == DISPLAY_DGA) |
| 644 |
quit_full_screen = true; |
| 645 |
} |
| 646 |
|
| 647 |
|
| 648 |
/* |
| 649 |
* Mac VBL interrupt |
| 650 |
*/ |
| 651 |
|
| 652 |
void VideoInterrupt(void) |
| 653 |
{ |
| 654 |
// Emergency quit requested? Then quit |
| 655 |
if (emerg_quit) |
| 656 |
QuitEmulator(); |
| 657 |
|
| 658 |
// Temporarily give up frame buffer lock (this is the point where |
| 659 |
// we are suspended when the user presses Ctrl-Tab) |
| 660 |
pthread_mutex_unlock(&frame_buffer_lock); |
| 661 |
pthread_mutex_lock(&frame_buffer_lock); |
| 662 |
} |
| 663 |
|
| 664 |
|
| 665 |
/* |
| 666 |
* Set palette |
| 667 |
*/ |
| 668 |
|
| 669 |
void video_set_palette(uint8 *pal) |
| 670 |
{ |
| 671 |
pthread_mutex_lock(&palette_lock); |
| 672 |
|
| 673 |
// Convert colors to XColor array |
| 674 |
for (int i=0; i<256; i++) { |
| 675 |
palette[i].pixel = i; |
| 676 |
palette[i].red = pal[i*3] * 0x0101; |
| 677 |
palette[i].green = pal[i*3+1] * 0x0101; |
| 678 |
palette[i].blue = pal[i*3+2] * 0x0101; |
| 679 |
palette[i].flags = DoRed | DoGreen | DoBlue; |
| 680 |
} |
| 681 |
|
| 682 |
// Tell redraw thread to change palette |
| 683 |
palette_changed = true; |
| 684 |
|
| 685 |
pthread_mutex_unlock(&palette_lock); |
| 686 |
} |
| 687 |
|
| 688 |
|
| 689 |
/* |
| 690 |
* Suspend/resume emulator |
| 691 |
*/ |
| 692 |
|
| 693 |
#if ENABLE_DGA |
| 694 |
static void suspend_emul(void) |
| 695 |
{ |
| 696 |
if (display_type == DISPLAY_DGA) { |
| 697 |
// Release ctrl key |
| 698 |
ADBKeyUp(0x36); |
| 699 |
ctrl_down = false; |
| 700 |
|
| 701 |
// Lock frame buffer (this will stop the MacOS thread) |
| 702 |
pthread_mutex_lock(&frame_buffer_lock); |
| 703 |
|
| 704 |
// Save frame buffer |
| 705 |
fb_save = malloc(VideoMonitor.y * VideoMonitor.bytes_per_row); |
| 706 |
if (fb_save) |
| 707 |
memcpy(fb_save, the_buffer, VideoMonitor.y * VideoMonitor.bytes_per_row); |
| 708 |
|
| 709 |
// Close full screen display |
| 710 |
XF86DGADirectVideo(x_display, screen, 0); |
| 711 |
XUngrabPointer(x_display, CurrentTime); |
| 712 |
XUngrabKeyboard(x_display, CurrentTime); |
| 713 |
XUnmapWindow(x_display, the_win); |
| 714 |
XSync(x_display, false); |
| 715 |
|
| 716 |
// Open "suspend" window |
| 717 |
XSetWindowAttributes wattr; |
| 718 |
wattr.event_mask = KeyPressMask; |
| 719 |
wattr.background_pixel = black_pixel; |
| 720 |
wattr.border_pixel = black_pixel; |
| 721 |
wattr.backing_store = Always; |
| 722 |
wattr.backing_planes = xdepth; |
| 723 |
wattr.colormap = DefaultColormap(x_display, screen); |
| 724 |
XSync(x_display, false); |
| 725 |
suspend_win = XCreateWindow(x_display, rootwin, 0, 0, 512, 1, 0, xdepth, |
| 726 |
InputOutput, vis, CWEventMask | CWBackPixel | CWBorderPixel | |
| 727 |
CWBackingStore | CWBackingPlanes | (xdepth == 8 ? CWColormap : 0), &wattr); |
| 728 |
XSync(x_display, false); |
| 729 |
XStoreName(x_display, suspend_win, GetString(STR_SUSPEND_WINDOW_TITLE)); |
| 730 |
XMapRaised(x_display, suspend_win); |
| 731 |
XSync(x_display, false); |
| 732 |
emul_suspended = true; |
| 733 |
} |
| 734 |
} |
| 735 |
|
| 736 |
static void resume_emul(void) |
| 737 |
{ |
| 738 |
// Close "suspend" window |
| 739 |
XDestroyWindow(x_display, suspend_win); |
| 740 |
XSync(x_display, false); |
| 741 |
|
| 742 |
// Reopen full screen display |
| 743 |
XMapRaised(x_display, the_win); |
| 744 |
XWarpPointer(x_display, None, rootwin, 0, 0, 0, 0, 0, 0); |
| 745 |
XSync(x_display, false); |
| 746 |
XGrabKeyboard(x_display, rootwin, 1, GrabModeAsync, GrabModeAsync, CurrentTime); |
| 747 |
XGrabPointer(x_display, rootwin, 1, PointerMotionMask | ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime); |
| 748 |
XF86DGADirectVideo(x_display, screen, XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse); |
| 749 |
XF86DGASetViewPort(x_display, screen, 0, 0); |
| 750 |
XSync(x_display, false); |
| 751 |
|
| 752 |
// Restore frame buffer |
| 753 |
if (fb_save) { |
| 754 |
memcpy(the_buffer, fb_save, VideoMonitor.y * VideoMonitor.bytes_per_row); |
| 755 |
free(fb_save); |
| 756 |
fb_save = NULL; |
| 757 |
} |
| 758 |
if (depth == 8) |
| 759 |
XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]); |
| 760 |
|
| 761 |
// Unlock frame buffer (and continue MacOS thread) |
| 762 |
pthread_mutex_unlock(&frame_buffer_lock); |
| 763 |
emul_suspended = false; |
| 764 |
} |
| 765 |
#endif |
| 766 |
|
| 767 |
|
| 768 |
/* |
| 769 |
* Translate key event to Mac keycode |
| 770 |
*/ |
| 771 |
|
| 772 |
static int kc_decode(KeySym ks) |
| 773 |
{ |
| 774 |
switch (ks) { |
| 775 |
case XK_A: case XK_a: return 0x00; |
| 776 |
case XK_B: case XK_b: return 0x0b; |
| 777 |
case XK_C: case XK_c: return 0x08; |
| 778 |
case XK_D: case XK_d: return 0x02; |
| 779 |
case XK_E: case XK_e: return 0x0e; |
| 780 |
case XK_F: case XK_f: return 0x03; |
| 781 |
case XK_G: case XK_g: return 0x05; |
| 782 |
case XK_H: case XK_h: return 0x04; |
| 783 |
case XK_I: case XK_i: return 0x22; |
| 784 |
case XK_J: case XK_j: return 0x26; |
| 785 |
case XK_K: case XK_k: return 0x28; |
| 786 |
case XK_L: case XK_l: return 0x25; |
| 787 |
case XK_M: case XK_m: return 0x2e; |
| 788 |
case XK_N: case XK_n: return 0x2d; |
| 789 |
case XK_O: case XK_o: return 0x1f; |
| 790 |
case XK_P: case XK_p: return 0x23; |
| 791 |
case XK_Q: case XK_q: return 0x0c; |
| 792 |
case XK_R: case XK_r: return 0x0f; |
| 793 |
case XK_S: case XK_s: return 0x01; |
| 794 |
case XK_T: case XK_t: return 0x11; |
| 795 |
case XK_U: case XK_u: return 0x20; |
| 796 |
case XK_V: case XK_v: return 0x09; |
| 797 |
case XK_W: case XK_w: return 0x0d; |
| 798 |
case XK_X: case XK_x: return 0x07; |
| 799 |
case XK_Y: case XK_y: return 0x10; |
| 800 |
case XK_Z: case XK_z: return 0x06; |
| 801 |
|
| 802 |
case XK_1: case XK_exclam: return 0x12; |
| 803 |
case XK_2: case XK_at: return 0x13; |
| 804 |
case XK_3: case XK_numbersign: return 0x14; |
| 805 |
case XK_4: case XK_dollar: return 0x15; |
| 806 |
case XK_5: case XK_percent: return 0x17; |
| 807 |
case XK_6: return 0x16; |
| 808 |
case XK_7: return 0x1a; |
| 809 |
case XK_8: return 0x1c; |
| 810 |
case XK_9: return 0x19; |
| 811 |
case XK_0: return 0x1d; |
| 812 |
|
| 813 |
case XK_grave: case XK_asciitilde: return 0x0a; |
| 814 |
case XK_minus: case XK_underscore: return 0x1b; |
| 815 |
case XK_equal: case XK_plus: return 0x18; |
| 816 |
case XK_bracketleft: case XK_braceleft: return 0x21; |
| 817 |
case XK_bracketright: case XK_braceright: return 0x1e; |
| 818 |
case XK_backslash: case XK_bar: return 0x2a; |
| 819 |
case XK_semicolon: case XK_colon: return 0x29; |
| 820 |
case XK_apostrophe: case XK_quotedbl: return 0x27; |
| 821 |
case XK_comma: case XK_less: return 0x2b; |
| 822 |
case XK_period: case XK_greater: return 0x2f; |
| 823 |
case XK_slash: case XK_question: return 0x2c; |
| 824 |
|
| 825 |
#if ENABLE_DGA |
| 826 |
case XK_Tab: if (ctrl_down) {suspend_emul(); return -1;} else return 0x30; |
| 827 |
#else |
| 828 |
case XK_Tab: return 0x30; |
| 829 |
#endif |
| 830 |
case XK_Return: return 0x24; |
| 831 |
case XK_space: return 0x31; |
| 832 |
case XK_BackSpace: return 0x33; |
| 833 |
|
| 834 |
case XK_Delete: return 0x75; |
| 835 |
case XK_Insert: return 0x72; |
| 836 |
case XK_Home: case XK_Help: return 0x73; |
| 837 |
case XK_End: return 0x77; |
| 838 |
#ifdef __hpux |
| 839 |
case XK_Prior: return 0x74; |
| 840 |
case XK_Next: return 0x79; |
| 841 |
#else |
| 842 |
case XK_Page_Up: return 0x74; |
| 843 |
case XK_Page_Down: return 0x79; |
| 844 |
#endif |
| 845 |
|
| 846 |
case XK_Control_L: return 0x36; |
| 847 |
case XK_Control_R: return 0x36; |
| 848 |
case XK_Shift_L: return 0x38; |
| 849 |
case XK_Shift_R: return 0x38; |
| 850 |
case XK_Alt_L: return 0x37; |
| 851 |
case XK_Alt_R: return 0x37; |
| 852 |
case XK_Meta_L: return 0x3a; |
| 853 |
case XK_Meta_R: return 0x3a; |
| 854 |
case XK_Menu: return 0x32; |
| 855 |
case XK_Caps_Lock: return 0x39; |
| 856 |
case XK_Num_Lock: return 0x47; |
| 857 |
|
| 858 |
case XK_Up: return 0x3e; |
| 859 |
case XK_Down: return 0x3d; |
| 860 |
case XK_Left: return 0x3b; |
| 861 |
case XK_Right: return 0x3c; |
| 862 |
|
| 863 |
case XK_Escape: if (ctrl_down) {quit_full_screen = true; emerg_quit = true; return -1;} else return 0x35; |
| 864 |
|
| 865 |
case XK_F1: if (ctrl_down) {SysMountFirstFloppy(); return -1;} else return 0x7a; |
| 866 |
case XK_F2: return 0x78; |
| 867 |
case XK_F3: return 0x63; |
| 868 |
case XK_F4: return 0x76; |
| 869 |
case XK_F5: return 0x60; |
| 870 |
case XK_F6: return 0x61; |
| 871 |
case XK_F7: return 0x62; |
| 872 |
case XK_F8: return 0x64; |
| 873 |
case XK_F9: return 0x65; |
| 874 |
case XK_F10: return 0x6d; |
| 875 |
case XK_F11: return 0x67; |
| 876 |
case XK_F12: return 0x6f; |
| 877 |
|
| 878 |
case XK_Print: return 0x69; |
| 879 |
case XK_Scroll_Lock: return 0x6b; |
| 880 |
case XK_Pause: return 0x71; |
| 881 |
|
| 882 |
#if defined(XK_KP_Prior) && defined(XK_KP_Left) && defined(XK_KP_Insert) && defined (XK_KP_End) |
| 883 |
case XK_KP_0: case XK_KP_Insert: return 0x52; |
| 884 |
case XK_KP_1: case XK_KP_End: return 0x53; |
| 885 |
case XK_KP_2: case XK_KP_Down: return 0x54; |
| 886 |
case XK_KP_3: case XK_KP_Next: return 0x55; |
| 887 |
case XK_KP_4: case XK_KP_Left: return 0x56; |
| 888 |
case XK_KP_5: case XK_KP_Begin: return 0x57; |
| 889 |
case XK_KP_6: case XK_KP_Right: return 0x58; |
| 890 |
case XK_KP_7: case XK_KP_Home: return 0x59; |
| 891 |
case XK_KP_8: case XK_KP_Up: return 0x5b; |
| 892 |
case XK_KP_9: case XK_KP_Prior: return 0x5c; |
| 893 |
case XK_KP_Decimal: case XK_KP_Delete: return 0x41; |
| 894 |
#else |
| 895 |
case XK_KP_0: return 0x52; |
| 896 |
case XK_KP_1: return 0x53; |
| 897 |
case XK_KP_2: return 0x54; |
| 898 |
case XK_KP_3: return 0x55; |
| 899 |
case XK_KP_4: return 0x56; |
| 900 |
case XK_KP_5: return 0x57; |
| 901 |
case XK_KP_6: return 0x58; |
| 902 |
case XK_KP_7: return 0x59; |
| 903 |
case XK_KP_8: return 0x5b; |
| 904 |
case XK_KP_9: return 0x5c; |
| 905 |
case XK_KP_Decimal: return 0x41; |
| 906 |
#endif |
| 907 |
case XK_KP_Add: return 0x45; |
| 908 |
case XK_KP_Subtract: return 0x4e; |
| 909 |
case XK_KP_Multiply: return 0x43; |
| 910 |
case XK_KP_Divide: return 0x4b; |
| 911 |
case XK_KP_Enter: return 0x4c; |
| 912 |
case XK_KP_Equal: return 0x51; |
| 913 |
} |
| 914 |
return -1; |
| 915 |
} |
| 916 |
|
| 917 |
static int event2keycode(XKeyEvent *ev) |
| 918 |
{ |
| 919 |
KeySym ks; |
| 920 |
int as; |
| 921 |
int i = 0; |
| 922 |
|
| 923 |
do { |
| 924 |
ks = XLookupKeysym(ev, i++); |
| 925 |
as = kc_decode(ks); |
| 926 |
if (as != -1) |
| 927 |
return as; |
| 928 |
} while (ks != NoSymbol); |
| 929 |
|
| 930 |
return -1; |
| 931 |
} |
| 932 |
|
| 933 |
|
| 934 |
/* |
| 935 |
* X event handling |
| 936 |
*/ |
| 937 |
|
| 938 |
static void handle_events(void) |
| 939 |
{ |
| 940 |
XEvent event; |
| 941 |
for (;;) { |
| 942 |
if (!XCheckMaskEvent(x_display, eventmask, &event)) |
| 943 |
break; |
| 944 |
|
| 945 |
switch (event.type) { |
| 946 |
// Mouse button |
| 947 |
case ButtonPress: { |
| 948 |
unsigned int button = ((XButtonEvent *)&event)->button; |
| 949 |
if (button < 4) |
| 950 |
ADBMouseDown(button - 1); |
| 951 |
break; |
| 952 |
} |
| 953 |
case ButtonRelease: { |
| 954 |
unsigned int button = ((XButtonEvent *)&event)->button; |
| 955 |
if (button < 4) |
| 956 |
ADBMouseUp(button - 1); |
| 957 |
break; |
| 958 |
} |
| 959 |
|
| 960 |
// Mouse moved |
| 961 |
case EnterNotify: |
| 962 |
ADBMouseMoved(((XMotionEvent *)&event)->x, ((XMotionEvent *)&event)->y); |
| 963 |
break; |
| 964 |
case MotionNotify: |
| 965 |
ADBMouseMoved(((XMotionEvent *)&event)->x, ((XMotionEvent *)&event)->y); |
| 966 |
break; |
| 967 |
|
| 968 |
// Keyboard |
| 969 |
case KeyPress: { |
| 970 |
int code; |
| 971 |
if (use_keycodes) { |
| 972 |
event2keycode((XKeyEvent *)&event); // This is called to process the hotkeys |
| 973 |
code = keycode_table[((XKeyEvent *)&event)->keycode & 0xff]; |
| 974 |
} else |
| 975 |
code = event2keycode((XKeyEvent *)&event); |
| 976 |
if (code != -1) { |
| 977 |
if (!emul_suspended) { |
| 978 |
if (code == 0x39) { // Caps Lock pressed |
| 979 |
if (caps_on) { |
| 980 |
ADBKeyUp(code); |
| 981 |
caps_on = false; |
| 982 |
} else { |
| 983 |
ADBKeyDown(code); |
| 984 |
caps_on = true; |
| 985 |
} |
| 986 |
} else |
| 987 |
ADBKeyDown(code); |
| 988 |
if (code == 0x36) |
| 989 |
ctrl_down = true; |
| 990 |
} else { |
| 991 |
#if ENABLE_DGA |
| 992 |
if (code == 0x31) |
| 993 |
resume_emul(); // Space wakes us up |
| 994 |
#endif |
| 995 |
} |
| 996 |
} |
| 997 |
break; |
| 998 |
} |
| 999 |
case KeyRelease: { |
| 1000 |
int code; |
| 1001 |
if (use_keycodes) { |
| 1002 |
event2keycode((XKeyEvent *)&event); // This is called to process the hotkeys |
| 1003 |
code = keycode_table[((XKeyEvent *)&event)->keycode & 0xff]; |
| 1004 |
} else |
| 1005 |
code = event2keycode((XKeyEvent *)&event); |
| 1006 |
if (code != -1 && code != 0x39) { // Don't propagate Caps Lock releases |
| 1007 |
ADBKeyUp(code); |
| 1008 |
if (code == 0x36) |
| 1009 |
ctrl_down = false; |
| 1010 |
} |
| 1011 |
break; |
| 1012 |
} |
| 1013 |
|
| 1014 |
// Hidden parts exposed, force complete refresh of window |
| 1015 |
case Expose: |
| 1016 |
if (display_type == DISPLAY_WINDOW) |
| 1017 |
memset(the_buffer_copy, 0, VideoMonitor.bytes_per_row * VideoMonitor.y); |
| 1018 |
break; |
| 1019 |
} |
| 1020 |
} |
| 1021 |
} |
| 1022 |
|
| 1023 |
|
| 1024 |
/* |
| 1025 |
* Window display update |
| 1026 |
*/ |
| 1027 |
|
| 1028 |
static void update_display(void) |
| 1029 |
{ |
| 1030 |
// In classic mode, copy the frame buffer from Mac RAM |
| 1031 |
if (classic_mode) |
| 1032 |
memcpy(the_buffer, Mac2HostAddr(0x3fa700), VideoMonitor.bytes_per_row * VideoMonitor.y); |
| 1033 |
|
| 1034 |
// Incremental update code |
| 1035 |
int wide = 0, high = 0, x1, x2, y1, y2, i, j; |
| 1036 |
int bytes_per_row = VideoMonitor.bytes_per_row; |
| 1037 |
int bytes_per_pixel = VideoMonitor.bytes_per_row / VideoMonitor.x; |
| 1038 |
uint8 *p, *p2; |
| 1039 |
|
| 1040 |
// Check for first line from top and first line from bottom that have changed |
| 1041 |
y1 = 0; |
| 1042 |
for (j=0; j<VideoMonitor.y; j++) { |
| 1043 |
if (memcmp(&the_buffer[j * bytes_per_row], &the_buffer_copy[j * bytes_per_row], bytes_per_row)) { |
| 1044 |
y1 = j; |
| 1045 |
break; |
| 1046 |
} |
| 1047 |
} |
| 1048 |
y2 = y1 - 1; |
| 1049 |
for (j=VideoMonitor.y-1; j>=y1; j--) { |
| 1050 |
if (memcmp(&the_buffer[j * bytes_per_row], &the_buffer_copy[j * bytes_per_row], bytes_per_row)) { |
| 1051 |
y2 = j; |
| 1052 |
break; |
| 1053 |
} |
| 1054 |
} |
| 1055 |
high = y2 - y1 + 1; |
| 1056 |
|
| 1057 |
// Check for first column from left and first column from right that have changed |
| 1058 |
if (high) { |
| 1059 |
if (depth == 1) { |
| 1060 |
x1 = VideoMonitor.x; |
| 1061 |
for (j=y1; j<=y2; j++) { |
| 1062 |
p = &the_buffer[j * bytes_per_row]; |
| 1063 |
p2 = &the_buffer_copy[j * bytes_per_row]; |
| 1064 |
for (i=0; i<(x1>>3); i++) { |
| 1065 |
if (*p != *p2) { |
| 1066 |
x1 = i << 3; |
| 1067 |
break; |
| 1068 |
} |
| 1069 |
p++; |
| 1070 |
p2++; |
| 1071 |
} |
| 1072 |
} |
| 1073 |
x2 = x1; |
| 1074 |
for (j=y1; j<=y2; j++) { |
| 1075 |
p = &the_buffer[j * bytes_per_row]; |
| 1076 |
p2 = &the_buffer_copy[j * bytes_per_row]; |
| 1077 |
p += bytes_per_row; |
| 1078 |
p2 += bytes_per_row; |
| 1079 |
for (i=(VideoMonitor.x>>3); i>(x2>>3); i--) { |
| 1080 |
p--; |
| 1081 |
p2--; |
| 1082 |
if (*p != *p2) { |
| 1083 |
x2 = i << 3; |
| 1084 |
break; |
| 1085 |
} |
| 1086 |
} |
| 1087 |
} |
| 1088 |
wide = x2 - x1; |
| 1089 |
|
| 1090 |
// Update copy of the_buffer |
| 1091 |
if (high && wide) { |
| 1092 |
for (j=y1; j<=y2; j++) { |
| 1093 |
i = j * bytes_per_row + (x1 >> 3); |
| 1094 |
memcpy(&the_buffer_copy[i], &the_buffer[i], wide >> 3); |
| 1095 |
} |
| 1096 |
} |
| 1097 |
|
| 1098 |
} else { |
| 1099 |
x1 = VideoMonitor.x; |
| 1100 |
for (j=y1; j<=y2; j++) { |
| 1101 |
p = &the_buffer[j * bytes_per_row]; |
| 1102 |
p2 = &the_buffer_copy[j * bytes_per_row]; |
| 1103 |
for (i=0; i<x1; i++) { |
| 1104 |
if (memcmp(p, p2, bytes_per_pixel)) { |
| 1105 |
x1 = i; |
| 1106 |
break; |
| 1107 |
} |
| 1108 |
p += bytes_per_pixel; |
| 1109 |
p2 += bytes_per_pixel; |
| 1110 |
} |
| 1111 |
} |
| 1112 |
x2 = x1; |
| 1113 |
for (j=y1; j<=y2; j++) { |
| 1114 |
p = &the_buffer[j * bytes_per_row]; |
| 1115 |
p2 = &the_buffer_copy[j * bytes_per_row]; |
| 1116 |
p += bytes_per_row; |
| 1117 |
p2 += bytes_per_row; |
| 1118 |
for (i=VideoMonitor.x; i>x2; i--) { |
| 1119 |
p -= bytes_per_pixel; |
| 1120 |
p2 -= bytes_per_pixel; |
| 1121 |
if (memcmp(p, p2, bytes_per_pixel)) { |
| 1122 |
x2 = i; |
| 1123 |
break; |
| 1124 |
} |
| 1125 |
} |
| 1126 |
} |
| 1127 |
wide = x2 - x1; |
| 1128 |
|
| 1129 |
// Update copy of the_buffer |
| 1130 |
if (high && wide) { |
| 1131 |
for (j=y1; j<=y2; j++) { |
| 1132 |
i = j * bytes_per_row + x1 * bytes_per_pixel; |
| 1133 |
memcpy(&the_buffer_copy[i], &the_buffer[i], bytes_per_pixel * wide); |
| 1134 |
} |
| 1135 |
} |
| 1136 |
} |
| 1137 |
} |
| 1138 |
|
| 1139 |
// Refresh display |
| 1140 |
if (high && wide) { |
| 1141 |
if (have_shm) |
| 1142 |
XShmPutImage(x_display, the_win, the_gc, img, x1, y1, x1, y1, wide, high, 0); |
| 1143 |
else |
| 1144 |
XPutImage(x_display, the_win, the_gc, img, x1, y1, x1, y1, wide, high); |
| 1145 |
} |
| 1146 |
|
| 1147 |
// Has the Mac started? (cursor data is not valid otherwise) |
| 1148 |
if (HasMacStarted()) { |
| 1149 |
|
| 1150 |
// Set new cursor image if it was changed |
| 1151 |
if (memcmp(the_cursor, Mac2HostAddr(0x844), 64)) { |
| 1152 |
memcpy(the_cursor, Mac2HostAddr(0x844), 64); |
| 1153 |
memcpy(cursor_image->data, the_cursor, 32); |
| 1154 |
memcpy(cursor_mask_image->data, the_cursor+32, 32); |
| 1155 |
XFreeCursor(x_display, mac_cursor); |
| 1156 |
XPutImage(x_display, cursor_map, cursor_gc, cursor_image, 0, 0, 0, 0, 16, 16); |
| 1157 |
XPutImage(x_display, cursor_mask_map, cursor_mask_gc, cursor_mask_image, 0, 0, 0, 0, 16, 16); |
| 1158 |
mac_cursor = XCreatePixmapCursor(x_display, cursor_map, cursor_mask_map, &black, &white, ReadMacInt8(0x885), ReadMacInt8(0x887)); |
| 1159 |
XDefineCursor(x_display, the_win, mac_cursor); |
| 1160 |
} |
| 1161 |
} |
| 1162 |
} |
| 1163 |
|
| 1164 |
|
| 1165 |
/* |
| 1166 |
* Thread for screen refresh, input handling etc. |
| 1167 |
*/ |
| 1168 |
|
| 1169 |
static void *redraw_func(void *arg) |
| 1170 |
{ |
| 1171 |
int tick_counter = 0; |
| 1172 |
|
| 1173 |
while (!redraw_thread_cancel) { |
| 1174 |
|
| 1175 |
// Wait |
| 1176 |
#ifdef HAVE_NANOSLEEP |
| 1177 |
struct timespec req = {0, 16666667}; |
| 1178 |
nanosleep(&req, NULL); |
| 1179 |
#else |
| 1180 |
usleep(16667); |
| 1181 |
#endif |
| 1182 |
|
| 1183 |
#if ENABLE_DGA |
| 1184 |
// Quit DGA mode if requested |
| 1185 |
if (quit_full_screen) { |
| 1186 |
quit_full_screen = false; |
| 1187 |
if (display_type == DISPLAY_DGA) { |
| 1188 |
XF86DGADirectVideo(x_display, screen, 0); |
| 1189 |
XUngrabPointer(x_display, CurrentTime); |
| 1190 |
XUngrabKeyboard(x_display, CurrentTime); |
| 1191 |
XUnmapWindow(x_display, the_win); |
| 1192 |
XSync(x_display, false); |
| 1193 |
} |
| 1194 |
} |
| 1195 |
#endif |
| 1196 |
|
| 1197 |
// Handle X events |
| 1198 |
handle_events(); |
| 1199 |
|
| 1200 |
// Handle palette changes |
| 1201 |
pthread_mutex_lock(&palette_lock); |
| 1202 |
if (palette_changed) { |
| 1203 |
palette_changed = false; |
| 1204 |
if (depth == 8) { |
| 1205 |
XStoreColors(x_display, cmap[0], palette, 256); |
| 1206 |
XStoreColors(x_display, cmap[1], palette, 256); |
| 1207 |
#if ENABLE_DGA |
| 1208 |
if (display_type == DISPLAY_DGA) { |
| 1209 |
current_dga_cmap ^= 1; |
| 1210 |
XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]); |
| 1211 |
} |
| 1212 |
#endif |
| 1213 |
} |
| 1214 |
} |
| 1215 |
pthread_mutex_unlock(&palette_lock); |
| 1216 |
|
| 1217 |
// In window mode, update display and mouse pointer |
| 1218 |
if (display_type == DISPLAY_WINDOW) { |
| 1219 |
tick_counter++; |
| 1220 |
if (tick_counter >= frame_skip) { |
| 1221 |
tick_counter = 0; |
| 1222 |
update_display(); |
| 1223 |
} |
| 1224 |
} |
| 1225 |
} |
| 1226 |
return NULL; |
| 1227 |
} |
