1420 lines
37 KiB
C++
1420 lines
37 KiB
C++
/*
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* video_x.cpp - Video/graphics emulation, X11 specific stuff
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*
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* SheepShaver (C) 1997-2002 Marc Hellwig and 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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#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 <pthread.h>
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#include "sysdeps.h"
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#include "main.h"
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#include "adb.h"
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#include "prefs.h"
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#include "user_strings.h"
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#include "about_window.h"
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#include "video.h"
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#include "video_defs.h"
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#define DEBUG 0
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#include "debug.h"
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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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#ifdef ENABLE_XF86_VIDMODE
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#include <X11/extensions/xf86vmode.h>
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#endif
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// Global variables
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static int32 frame_skip;
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static bool redraw_thread_active = false; // Flag: Redraw thread installed
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static pthread_t redraw_thread; // Redraw thread
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static volatile bool thread_stop_req = false;
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static volatile bool thread_stop_ack = false; // Acknowledge for thread_stop_req
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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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static bool palette_changed = false; // Flag: Palette changed, redraw thread must update palette
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static bool ctrl_down = false; // Flag: Ctrl key pressed
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static bool quit_full_screen = false; // Flag: DGA close requested from redraw thread
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static volatile bool quit_full_screen_ack = false; // Acknowledge for quit_full_screen
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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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static Window suspend_win; // "Suspend" window
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static void *fb_save = NULL; // Saved frame buffer for suspend
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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 int depth; // Depth of Mac frame buffer
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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 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;
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static const int dga_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask;
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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 bool cursor_changed = false; // Flag: Cursor changed, window_func must update cursor
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static bool have_shm = false; // Flag: SHM present and usable
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static uint8 *the_buffer; // Pointer to Mac frame buffer
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static uint8 *the_buffer_copy = NULL; // Copy of Mac frame buffer
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// Variables for DGA mode
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static char *dga_screen_base;
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static int dga_fb_width;
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static int current_dga_cmap;
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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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// Prototypes
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static void *redraw_func(void *arg);
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// From main_linux.cpp
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extern Display *x_display;
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// From sys_unix.cpp
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extern void SysMountFirstFloppy(void);
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/*
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* Open display (window or fullscreen)
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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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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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// Open window
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static bool open_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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// 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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// 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 = NotUseful;
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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 | CWBackingStore, &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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// 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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// 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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// 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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// Create SHM image ("height + 2" for safety)
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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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screen_base = (uint32)shmat(shminfo.shmid, 0, 0);
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the_buffer = (uint8 *)screen_base;
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shminfo.shmaddr = img->data = (char *)screen_base;
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shminfo.readOnly = False;
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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);
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XSync(x_display, false);
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XSetErrorHandler(old_error_handler);
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if (shm_error) {
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shmdt(shminfo.shmaddr);
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XDestroyImage(img);
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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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// Create normal X image if SHM doesn't work ("height + 2" for safety)
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if (!have_shm) {
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int bytes_per_row = width;
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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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screen_base = (uint32)malloc((height + 2) * bytes_per_row);
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the_buffer = (uint8 *)screen_base;
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img = XCreateImage(x_display, vis, depth, depth == 1 ? XYBitmap : ZPixmap, 0, (char *)screen_base, width, height, 32, bytes_per_row);
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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;
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img->bitmap_bit_order = MSBFirst;
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}
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// Allocate memory for frame buffer copy
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the_buffer_copy = (uint8 *)malloc((height + 2) * img->bytes_per_line);
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// Create GC
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the_gc = XCreateGC(x_display, the_win, 0, 0);
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XSetForeground(x_display, the_gc, black_pixel);
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// Create cursor
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cursor_image = XCreateImage(x_display, vis, 1, XYPixmap, 0, (char *)MacCursor + 4, 16, 16, 16, 2);
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cursor_image->byte_order = MSBFirst;
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cursor_image->bitmap_bit_order = MSBFirst;
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cursor_mask_image = XCreateImage(x_display, vis, 1, XYPixmap, 0, (char *)MacCursor + 36, 16, 16, 16, 2);
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cursor_mask_image->byte_order = MSBFirst;
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cursor_mask_image->bitmap_bit_order = MSBFirst;
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cursor_map = XCreatePixmap(x_display, the_win, 16, 16, 1);
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cursor_mask_map = XCreatePixmap(x_display, the_win, 16, 16, 1);
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cursor_gc = XCreateGC(x_display, cursor_map, 0, 0);
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cursor_mask_gc = XCreateGC(x_display, cursor_mask_map, 0, 0);
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mac_cursor = XCreatePixmapCursor(x_display, cursor_map, cursor_mask_map, &black, &white, 0, 0);
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cursor_changed = false;
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// Set bytes per row
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VModes[cur_mode].viRowBytes = img->bytes_per_line;
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XSync(x_display, false);
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return true;
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}
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// Open DGA display (!! should use X11 VidMode extensions to set mode)
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static bool open_dga(int width, int height)
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{
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#ifdef ENABLE_XF86_DGA
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// Set relative mouse mode
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ADBSetRelMouseMode(true);
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#ifdef ENABLE_XF86_VIDMODE
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// Switch to best mode
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if (has_vidmode) {
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int best = 0;
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for (int i=1; i<num_x_video_modes; i++) {
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if (x_video_modes[i]->hdisplay >= width && x_video_modes[i]->vdisplay >= height &&
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x_video_modes[i]->hdisplay <= x_video_modes[best]->hdisplay && x_video_modes[i]->vdisplay <= x_video_modes[best]->vdisplay) {
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best = i;
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}
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}
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XF86VidModeSwitchToMode(x_display, screen, x_video_modes[best]);
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XF86VidModeSetViewPort(x_display, screen, 0, 0);
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}
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#endif
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// Establish direct screen connection
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XGrabKeyboard(x_display, rootwin, True, GrabModeAsync, GrabModeAsync, CurrentTime);
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XGrabPointer(x_display, rootwin, True, PointerMotionMask | ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
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XF86DGADirectVideo(x_display, screen, XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse);
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XF86DGASetViewPort(x_display, screen, 0, 0);
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XF86DGASetVidPage(x_display, screen, 0);
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screen_base = (uint32)dga_screen_base;
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// Set colormap
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if (depth == 8)
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XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
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// Set bytes per row
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int bytes_per_row = (dga_fb_width + 7) & ~7;
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switch (depth) {
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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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VModes[cur_mode].viRowBytes = bytes_per_row;
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XSync(x_display, false);
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return true;
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#else
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ErrorAlert("SheepShaver has been compiled with DGA support disabled.");
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return false;
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#endif
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}
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static bool open_display(void)
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{
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display_type = VModes[cur_mode].viType;
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switch (VModes[cur_mode].viAppleMode) {
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case APPLE_1_BIT:
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depth = 1;
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break;
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case APPLE_2_BIT:
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depth = 2;
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break;
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case APPLE_4_BIT:
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depth = 4;
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break;
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case APPLE_8_BIT:
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depth = 8;
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break;
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case APPLE_16_BIT:
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depth = 16;
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break;
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case APPLE_32_BIT:
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depth = 32;
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break;
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}
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if (display_type == DIS_SCREEN)
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return open_dga(VModes[cur_mode].viXsize, VModes[cur_mode].viYsize);
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else if (display_type == DIS_WINDOW)
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return open_window(VModes[cur_mode].viXsize, VModes[cur_mode].viYsize);
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else
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return false;
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}
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/*
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* Close display
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*/
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// Close window
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static void close_window(void)
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{
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// Close window
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XDestroyWindow(x_display, the_win);
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// Close frame buffer copy
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if (the_buffer_copy) {
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free(the_buffer_copy);
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the_buffer_copy = NULL;
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}
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}
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// Close DGA mode
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static void close_dga(void)
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{
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#ifdef ENABLE_XF86_DGA
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XF86DGADirectVideo(x_display, screen, 0);
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XUngrabPointer(x_display, CurrentTime);
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XUngrabKeyboard(x_display, CurrentTime);
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#endif
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#ifdef ENABLE_XF86_VIDMODE
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if (has_vidmode)
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XF86VidModeSwitchToMode(x_display, screen, x_video_modes[0]);
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#endif
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}
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static void close_display(void)
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{
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if (display_type == DIS_SCREEN)
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close_dga();
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else if (display_type == DIS_WINDOW)
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close_window();
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}
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/*
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* Initialization
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*/
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static void add_mode(VideoInfo *&p, uint32 allow, uint32 test, long apple_mode, long apple_id, int type)
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{
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if (allow & test) {
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p->viType = type;
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switch (apple_id) {
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case APPLE_W_640x480:
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case APPLE_640x480:
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p->viXsize = 640;
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p->viYsize = 480;
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break;
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case APPLE_W_800x600:
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case APPLE_800x600:
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p->viXsize = 800;
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p->viYsize = 600;
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break;
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case APPLE_1024x768:
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p->viXsize = 1024;
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p->viYsize = 768;
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break;
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case APPLE_1152x900:
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p->viXsize = 1152;
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p->viYsize = 900;
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break;
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case APPLE_1280x1024:
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p->viXsize = 1280;
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p->viYsize = 1024;
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break;
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case APPLE_1600x1200:
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p->viXsize = 1600;
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p->viYsize = 1200;
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break;
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}
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switch (apple_mode) {
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case APPLE_8_BIT:
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p->viRowBytes = p->viXsize;
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break;
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case APPLE_16_BIT:
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p->viRowBytes = p->viXsize * 2;
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break;
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case APPLE_32_BIT:
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p->viRowBytes = p->viXsize * 4;
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break;
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}
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p->viAppleMode = apple_mode;
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p->viAppleID = apple_id;
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p++;
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}
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}
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static bool has_mode(int x, int y)
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{
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#ifdef ENABLE_XF86_VIDMODE
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for (int i=0; i<num_x_video_modes; i++)
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if (x_video_modes[i]->hdisplay >= x && x_video_modes[i]->vdisplay >= y)
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return true;
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return false;
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#else
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return DisplayWidth(x_display, screen) >= x && DisplayHeight(x_display, screen) >= y;
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#endif
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}
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bool VideoInit(void)
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{
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// Init variables
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private_data = NULL;
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cur_mode = 0; // Window 640x480
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video_activated = true;
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// Find screen and root window
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screen = XDefaultScreen(x_display);
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rootwin = XRootWindow(x_display, screen);
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// Get screen depth
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xdepth = DefaultDepth(x_display, screen);
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#ifdef ENABLE_XF86_DGA
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// DGA available?
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int event_base, error_base;
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if (XF86DGAQueryExtension(x_display, &event_base, &error_base)) {
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int dga_flags = 0;
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XF86DGAQueryDirectVideo(x_display, screen, &dga_flags);
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has_dga = dga_flags & XF86DGADirectPresent;
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} else
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has_dga = false;
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#endif
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#ifdef ENABLE_XF86_VIDMODE
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// VidMode available?
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int vm_event_base, vm_error_base;
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has_vidmode = XF86VidModeQueryExtension(x_display, &vm_event_base, &vm_error_base);
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if (has_vidmode)
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XF86VidModeGetAllModeLines(x_display, screen, &num_x_video_modes, &x_video_modes);
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#endif
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// Find black and white colors
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XParseColor(x_display, DefaultColormap(x_display, screen), "rgb:00/00/00", &black);
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XAllocColor(x_display, DefaultColormap(x_display, screen), &black);
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XParseColor(x_display, DefaultColormap(x_display, screen), "rgb:ff/ff/ff", &white);
|
|
XAllocColor(x_display, DefaultColormap(x_display, screen), &white);
|
|
black_pixel = BlackPixel(x_display, screen);
|
|
white_pixel = WhitePixel(x_display, screen);
|
|
|
|
// Get appropriate visual
|
|
int color_class;
|
|
switch (xdepth) {
|
|
#if 0
|
|
case 1:
|
|
color_class = StaticGray;
|
|
break;
|
|
#endif
|
|
case 8:
|
|
color_class = PseudoColor;
|
|
break;
|
|
case 15:
|
|
case 16:
|
|
case 24:
|
|
case 32:
|
|
color_class = TrueColor;
|
|
break;
|
|
default:
|
|
ErrorAlert(GetString(STR_UNSUPP_DEPTH_ERR));
|
|
return false;
|
|
}
|
|
if (!XMatchVisualInfo(x_display, screen, xdepth, color_class, &visualInfo)) {
|
|
ErrorAlert(GetString(STR_NO_XVISUAL_ERR));
|
|
return false;
|
|
}
|
|
if (visualInfo.depth != xdepth) {
|
|
ErrorAlert(GetString(STR_NO_XVISUAL_ERR));
|
|
return false;
|
|
}
|
|
vis = visualInfo.visual;
|
|
|
|
// Mac screen depth follows X depth (for now)
|
|
depth = xdepth;
|
|
|
|
// Create color maps for 8 bit mode
|
|
if (depth == 8) {
|
|
cmap[0] = XCreateColormap(x_display, rootwin, vis, AllocAll);
|
|
cmap[1] = XCreateColormap(x_display, rootwin, vis, AllocAll);
|
|
XInstallColormap(x_display, cmap[0]);
|
|
XInstallColormap(x_display, cmap[1]);
|
|
}
|
|
|
|
// Construct video mode table
|
|
int mode = APPLE_8_BIT;
|
|
int bpr_mult = 8;
|
|
switch (depth) {
|
|
case 1:
|
|
mode = APPLE_1_BIT;
|
|
bpr_mult = 1;
|
|
break;
|
|
case 8:
|
|
mode = APPLE_8_BIT;
|
|
bpr_mult = 8;
|
|
break;
|
|
case 15:
|
|
case 16:
|
|
mode = APPLE_16_BIT;
|
|
bpr_mult = 16;
|
|
break;
|
|
case 24:
|
|
case 32:
|
|
mode = APPLE_32_BIT;
|
|
bpr_mult = 32;
|
|
break;
|
|
}
|
|
|
|
uint32 window_modes = PrefsFindInt32("windowmodes");
|
|
uint32 screen_modes = PrefsFindInt32("screenmodes");
|
|
if (!has_dga)
|
|
screen_modes = 0;
|
|
if (window_modes == 0 && screen_modes == 0)
|
|
window_modes |= 3; // Allow at least 640x480 and 800x600 window modes
|
|
|
|
VideoInfo *p = VModes;
|
|
add_mode(p, window_modes, 1, mode, APPLE_W_640x480, DIS_WINDOW);
|
|
add_mode(p, window_modes, 2, mode, APPLE_W_800x600, DIS_WINDOW);
|
|
if (has_vidmode) {
|
|
if (has_mode(640, 480))
|
|
add_mode(p, screen_modes, 1, mode, APPLE_640x480, DIS_SCREEN);
|
|
if (has_mode(800, 600))
|
|
add_mode(p, screen_modes, 2, mode, APPLE_800x600, DIS_SCREEN);
|
|
if (has_mode(1024, 768))
|
|
add_mode(p, screen_modes, 4, mode, APPLE_1024x768, DIS_SCREEN);
|
|
if (has_mode(1152, 900))
|
|
add_mode(p, screen_modes, 8, mode, APPLE_1152x900, DIS_SCREEN);
|
|
if (has_mode(1280, 1024))
|
|
add_mode(p, screen_modes, 16, mode, APPLE_1280x1024, DIS_SCREEN);
|
|
if (has_mode(1600, 1200))
|
|
add_mode(p, screen_modes, 32, mode, APPLE_1600x1200, DIS_SCREEN);
|
|
} else if (screen_modes) {
|
|
int xsize = DisplayWidth(x_display, screen);
|
|
int ysize = DisplayHeight(x_display, screen);
|
|
int apple_id;
|
|
if (xsize < 800)
|
|
apple_id = APPLE_640x480;
|
|
else if (xsize < 1024)
|
|
apple_id = APPLE_800x600;
|
|
else if (xsize < 1152)
|
|
apple_id = APPLE_1024x768;
|
|
else if (xsize < 1280)
|
|
apple_id = APPLE_1152x900;
|
|
else if (xsize < 1600)
|
|
apple_id = APPLE_1280x1024;
|
|
else
|
|
apple_id = APPLE_1600x1200;
|
|
p->viType = DIS_SCREEN;
|
|
p->viRowBytes = 0;
|
|
p->viXsize = xsize;
|
|
p->viYsize = ysize;
|
|
p->viAppleMode = mode;
|
|
p->viAppleID = apple_id;
|
|
p++;
|
|
}
|
|
p->viType = DIS_INVALID; // End marker
|
|
p->viRowBytes = 0;
|
|
p->viXsize = p->viYsize = 0;
|
|
p->viAppleMode = 0;
|
|
p->viAppleID = 0;
|
|
|
|
#ifdef ENABLE_XF86_DGA
|
|
if (has_dga && screen_modes) {
|
|
int v_bank, v_size;
|
|
XF86DGAGetVideo(x_display, screen, &dga_screen_base, &dga_fb_width, &v_bank, &v_size);
|
|
D(bug("DGA screen_base %p, v_width %d\n", dga_screen_base, dga_fb_width));
|
|
}
|
|
#endif
|
|
|
|
// Open window/screen
|
|
if (!open_display())
|
|
return false;
|
|
|
|
#if 0
|
|
// Ignore errors from now on
|
|
XSetErrorHandler(ignore_errors);
|
|
#endif
|
|
|
|
// Start periodic thread
|
|
XSync(x_display, false);
|
|
redraw_thread_active = (pthread_create(&redraw_thread, NULL, redraw_func, NULL) == 0);
|
|
D(bug("Redraw thread installed (%ld)\n", redraw_thread));
|
|
return true;
|
|
}
|
|
|
|
|
|
/*
|
|
* Deinitialization
|
|
*/
|
|
|
|
void VideoExit(void)
|
|
{
|
|
// Stop redraw thread
|
|
if (redraw_thread_active) {
|
|
pthread_cancel(redraw_thread);
|
|
pthread_join(redraw_thread, NULL);
|
|
redraw_thread_active = false;
|
|
}
|
|
|
|
// Close window and server connection
|
|
if (x_display != NULL) {
|
|
XSync(x_display, false);
|
|
close_display();
|
|
XFlush(x_display);
|
|
XSync(x_display, false);
|
|
if (depth == 8) {
|
|
XFreeColormap(x_display, cmap[0]);
|
|
XFreeColormap(x_display, cmap[1]);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Suspend/resume emulator
|
|
*/
|
|
|
|
extern void PauseEmulator(void);
|
|
extern void ResumeEmulator(void);
|
|
|
|
static void suspend_emul(void)
|
|
{
|
|
if (display_type == DIS_SCREEN) {
|
|
// Release ctrl key
|
|
ADBKeyUp(0x36);
|
|
ctrl_down = false;
|
|
|
|
// Pause MacOS thread
|
|
PauseEmulator();
|
|
emul_suspended = true;
|
|
|
|
// Save frame buffer
|
|
fb_save = malloc(VModes[cur_mode].viYsize * VModes[cur_mode].viRowBytes);
|
|
if (fb_save)
|
|
memcpy(fb_save, (void *)screen_base, VModes[cur_mode].viYsize * VModes[cur_mode].viRowBytes);
|
|
|
|
// Close full screen display
|
|
#ifdef ENABLE_XF86_DGA
|
|
XF86DGADirectVideo(x_display, screen, 0);
|
|
XUngrabPointer(x_display, CurrentTime);
|
|
XUngrabKeyboard(x_display, CurrentTime);
|
|
#endif
|
|
XSync(x_display, false);
|
|
|
|
// Open "suspend" window
|
|
XSetWindowAttributes wattr;
|
|
wattr.event_mask = KeyPressMask;
|
|
wattr.background_pixel = black_pixel;
|
|
wattr.border_pixel = black_pixel;
|
|
wattr.backing_store = Always;
|
|
wattr.backing_planes = xdepth;
|
|
wattr.colormap = DefaultColormap(x_display, screen);
|
|
XSync(x_display, false);
|
|
suspend_win = XCreateWindow(x_display, rootwin, 0, 0, 512, 1, 0, xdepth,
|
|
InputOutput, vis, CWEventMask | CWBackPixel | CWBorderPixel |
|
|
CWBackingStore | CWBackingPlanes | (xdepth == 8 ? CWColormap : 0), &wattr);
|
|
XSync(x_display, false);
|
|
XStoreName(x_display, suspend_win, GetString(STR_SUSPEND_WINDOW_TITLE));
|
|
XMapRaised(x_display, suspend_win);
|
|
XSync(x_display, false);
|
|
}
|
|
}
|
|
|
|
static void resume_emul(void)
|
|
{
|
|
// Close "suspend" window
|
|
XDestroyWindow(x_display, suspend_win);
|
|
XSync(x_display, false);
|
|
|
|
// Reopen full screen display
|
|
XGrabKeyboard(x_display, rootwin, 1, GrabModeAsync, GrabModeAsync, CurrentTime);
|
|
XGrabPointer(x_display, rootwin, 1, PointerMotionMask | ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
|
|
XF86DGADirectVideo(x_display, screen, XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse);
|
|
XF86DGASetViewPort(x_display, screen, 0, 0);
|
|
XSync(x_display, false);
|
|
|
|
// Restore frame buffer
|
|
if (fb_save) {
|
|
memcpy((void *)screen_base, fb_save, VModes[cur_mode].viYsize * VModes[cur_mode].viRowBytes);
|
|
free(fb_save);
|
|
fb_save = NULL;
|
|
}
|
|
if (depth == 8)
|
|
palette_changed = true;
|
|
|
|
// Resume MacOS thread
|
|
emul_suspended = false;
|
|
ResumeEmulator();
|
|
}
|
|
|
|
|
|
/*
|
|
* Close screen in full-screen mode
|
|
*/
|
|
|
|
void VideoQuitFullScreen(void)
|
|
{
|
|
D(bug("VideoQuitFullScreen()\n"));
|
|
if (display_type == DIS_SCREEN) {
|
|
quit_full_screen = true;
|
|
while (!quit_full_screen_ack) ;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* X11 event handling
|
|
*/
|
|
|
|
// Translate key event to Mac keycode
|
|
static int kc_decode(KeySym ks)
|
|
{
|
|
switch (ks) {
|
|
case XK_A: case XK_a: return 0x00;
|
|
case XK_B: case XK_b: return 0x0b;
|
|
case XK_C: case XK_c: return 0x08;
|
|
case XK_D: case XK_d: return 0x02;
|
|
case XK_E: case XK_e: return 0x0e;
|
|
case XK_F: case XK_f: return 0x03;
|
|
case XK_G: case XK_g: return 0x05;
|
|
case XK_H: case XK_h: return 0x04;
|
|
case XK_I: case XK_i: return 0x22;
|
|
case XK_J: case XK_j: return 0x26;
|
|
case XK_K: case XK_k: return 0x28;
|
|
case XK_L: case XK_l: return 0x25;
|
|
case XK_M: case XK_m: return 0x2e;
|
|
case XK_N: case XK_n: return 0x2d;
|
|
case XK_O: case XK_o: return 0x1f;
|
|
case XK_P: case XK_p: return 0x23;
|
|
case XK_Q: case XK_q: return 0x0c;
|
|
case XK_R: case XK_r: return 0x0f;
|
|
case XK_S: case XK_s: return 0x01;
|
|
case XK_T: case XK_t: return 0x11;
|
|
case XK_U: case XK_u: return 0x20;
|
|
case XK_V: case XK_v: return 0x09;
|
|
case XK_W: case XK_w: return 0x0d;
|
|
case XK_X: case XK_x: return 0x07;
|
|
case XK_Y: case XK_y: return 0x10;
|
|
case XK_Z: case XK_z: return 0x06;
|
|
|
|
case XK_1: case XK_exclam: return 0x12;
|
|
case XK_2: case XK_at: return 0x13;
|
|
case XK_3: case XK_numbersign: return 0x14;
|
|
case XK_4: case XK_dollar: return 0x15;
|
|
case XK_5: case XK_percent: return 0x17;
|
|
case XK_6: return 0x16;
|
|
case XK_7: return 0x1a;
|
|
case XK_8: return 0x1c;
|
|
case XK_9: return 0x19;
|
|
case XK_0: return 0x1d;
|
|
|
|
case XK_grave: case XK_asciitilde: return 0x0a;
|
|
case XK_minus: case XK_underscore: return 0x1b;
|
|
case XK_equal: case XK_plus: return 0x18;
|
|
case XK_bracketleft: case XK_braceleft: return 0x21;
|
|
case XK_bracketright: case XK_braceright: return 0x1e;
|
|
case XK_backslash: case XK_bar: return 0x2a;
|
|
case XK_semicolon: case XK_colon: return 0x29;
|
|
case XK_apostrophe: case XK_quotedbl: return 0x27;
|
|
case XK_comma: case XK_less: return 0x2b;
|
|
case XK_period: case XK_greater: return 0x2f;
|
|
case XK_slash: case XK_question: return 0x2c;
|
|
|
|
case XK_Tab: if (ctrl_down) {suspend_emul(); return -1;} else return 0x30;
|
|
case XK_Return: return 0x24;
|
|
case XK_space: return 0x31;
|
|
case XK_BackSpace: return 0x33;
|
|
|
|
case XK_Delete: return 0x75;
|
|
case XK_Insert: return 0x72;
|
|
case XK_Home: case XK_Help: return 0x73;
|
|
case XK_End: return 0x77;
|
|
#ifdef __hpux
|
|
case XK_Prior: return 0x74;
|
|
case XK_Next: return 0x79;
|
|
#else
|
|
case XK_Page_Up: return 0x74;
|
|
case XK_Page_Down: return 0x79;
|
|
#endif
|
|
|
|
case XK_Control_L: return 0x36;
|
|
case XK_Control_R: return 0x36;
|
|
case XK_Shift_L: return 0x38;
|
|
case XK_Shift_R: return 0x38;
|
|
case XK_Alt_L: return 0x37;
|
|
case XK_Alt_R: return 0x37;
|
|
case XK_Meta_L: return 0x3a;
|
|
case XK_Meta_R: return 0x3a;
|
|
case XK_Menu: return 0x32;
|
|
case XK_Caps_Lock: return 0x39;
|
|
case XK_Num_Lock: return 0x47;
|
|
|
|
case XK_Up: return 0x3e;
|
|
case XK_Down: return 0x3d;
|
|
case XK_Left: return 0x3b;
|
|
case XK_Right: return 0x3c;
|
|
|
|
case XK_Escape: if (ctrl_down) {quit_full_screen = true; emerg_quit = true; return -1;} else return 0x35;
|
|
|
|
case XK_F1: if (ctrl_down) {SysMountFirstFloppy(); return -1;} else return 0x7a;
|
|
case XK_F2: return 0x78;
|
|
case XK_F3: return 0x63;
|
|
case XK_F4: return 0x76;
|
|
case XK_F5: return 0x60;
|
|
case XK_F6: return 0x61;
|
|
case XK_F7: return 0x62;
|
|
case XK_F8: return 0x64;
|
|
case XK_F9: return 0x65;
|
|
case XK_F10: return 0x6d;
|
|
case XK_F11: return 0x67;
|
|
case XK_F12: return 0x6f;
|
|
|
|
case XK_Print: return 0x69;
|
|
case XK_Scroll_Lock: return 0x6b;
|
|
case XK_Pause: return 0x71;
|
|
|
|
#if defined(XK_KP_Prior) && defined(XK_KP_Left) && defined(XK_KP_Insert) && defined (XK_KP_End)
|
|
case XK_KP_0: case XK_KP_Insert: return 0x52;
|
|
case XK_KP_1: case XK_KP_End: return 0x53;
|
|
case XK_KP_2: case XK_KP_Down: return 0x54;
|
|
case XK_KP_3: case XK_KP_Next: return 0x55;
|
|
case XK_KP_4: case XK_KP_Left: return 0x56;
|
|
case XK_KP_5: case XK_KP_Begin: return 0x57;
|
|
case XK_KP_6: case XK_KP_Right: return 0x58;
|
|
case XK_KP_7: case XK_KP_Home: return 0x59;
|
|
case XK_KP_8: case XK_KP_Up: return 0x5b;
|
|
case XK_KP_9: case XK_KP_Prior: return 0x5c;
|
|
case XK_KP_Decimal: case XK_KP_Delete: return 0x41;
|
|
#else
|
|
case XK_KP_0: return 0x52;
|
|
case XK_KP_1: return 0x53;
|
|
case XK_KP_2: return 0x54;
|
|
case XK_KP_3: return 0x55;
|
|
case XK_KP_4: return 0x56;
|
|
case XK_KP_5: return 0x57;
|
|
case XK_KP_6: return 0x58;
|
|
case XK_KP_7: return 0x59;
|
|
case XK_KP_8: return 0x5b;
|
|
case XK_KP_9: return 0x5c;
|
|
case XK_KP_Decimal: return 0x41;
|
|
#endif
|
|
case XK_KP_Add: return 0x45;
|
|
case XK_KP_Subtract: return 0x4e;
|
|
case XK_KP_Multiply: return 0x43;
|
|
case XK_KP_Divide: return 0x4b;
|
|
case XK_KP_Enter: return 0x4c;
|
|
case XK_KP_Equal: return 0x51;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static int event2keycode(XKeyEvent *ev)
|
|
{
|
|
KeySym ks;
|
|
int as;
|
|
int i = 0;
|
|
|
|
do {
|
|
ks = XLookupKeysym(ev, i++);
|
|
as = kc_decode(ks);
|
|
if (as != -1)
|
|
return as;
|
|
} while (ks != NoSymbol);
|
|
|
|
return -1;
|
|
}
|
|
|
|
static void handle_events(void)
|
|
{
|
|
// Handle events
|
|
for (;;) {
|
|
XEvent event;
|
|
|
|
if (!XCheckMaskEvent(x_display, eventmask, &event))
|
|
break;
|
|
|
|
switch (event.type) {
|
|
// Mouse button
|
|
case ButtonPress: {
|
|
unsigned int button = ((XButtonEvent *)&event)->button;
|
|
if (button < 4)
|
|
ADBMouseDown(button - 1);
|
|
break;
|
|
}
|
|
case ButtonRelease: {
|
|
unsigned int button = ((XButtonEvent *)&event)->button;
|
|
if (button < 4)
|
|
ADBMouseUp(button - 1);
|
|
break;
|
|
}
|
|
|
|
// Mouse moved
|
|
case EnterNotify:
|
|
ADBMouseMoved(((XMotionEvent *)&event)->x, ((XMotionEvent *)&event)->y);
|
|
break;
|
|
case MotionNotify:
|
|
ADBMouseMoved(((XMotionEvent *)&event)->x, ((XMotionEvent *)&event)->y);
|
|
break;
|
|
|
|
// Keyboard
|
|
case KeyPress: {
|
|
int code;
|
|
if ((code = event2keycode((XKeyEvent *)&event)) != -1) {
|
|
if (!emul_suspended) {
|
|
ADBKeyDown(code);
|
|
if (code == 0x36)
|
|
ctrl_down = true;
|
|
} else {
|
|
if (code == 0x31)
|
|
resume_emul(); // Space wakes us up
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case KeyRelease: {
|
|
int code;
|
|
if ((code = event2keycode((XKeyEvent *)&event)) != -1) {
|
|
ADBKeyUp(code);
|
|
if (code == 0x36)
|
|
ctrl_down = false;
|
|
}
|
|
break;
|
|
}
|
|
|
|
// Hidden parts exposed, force complete refresh
|
|
case Expose:
|
|
memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Execute video VBL routine
|
|
*/
|
|
|
|
void VideoVBL(void)
|
|
{
|
|
if (emerg_quit)
|
|
QuitEmulator();
|
|
|
|
// Execute video VBL
|
|
if (private_data != NULL && private_data->interruptsEnabled)
|
|
VSLDoInterruptService(private_data->vslServiceID);
|
|
}
|
|
|
|
|
|
/*
|
|
* Install graphics acceleration
|
|
*/
|
|
|
|
#if 0
|
|
// Rectangle blitting
|
|
static void accl_bitblt(accl_params *p)
|
|
{
|
|
D(bug("accl_bitblt\n"));
|
|
|
|
// Get blitting parameters
|
|
int16 src_X = p->src_rect[1] - p->src_bounds[1];
|
|
int16 src_Y = p->src_rect[0] - p->src_bounds[0];
|
|
int16 dest_X = p->dest_rect[1] - p->dest_bounds[1];
|
|
int16 dest_Y = p->dest_rect[0] - p->dest_bounds[0];
|
|
int16 width = p->dest_rect[3] - p->dest_rect[1] - 1;
|
|
int16 height = p->dest_rect[2] - p->dest_rect[0] - 1;
|
|
D(bug(" src X %d, src Y %d, dest X %d, dest Y %d\n", src_X, src_Y, dest_X, dest_Y));
|
|
D(bug(" width %d, height %d\n", width, height));
|
|
|
|
// And perform the blit
|
|
bitblt_hook(src_X, src_Y, dest_X, dest_Y, width, height);
|
|
}
|
|
|
|
static bool accl_bitblt_hook(accl_params *p)
|
|
{
|
|
D(bug("accl_draw_hook %p\n", p));
|
|
|
|
// Check if we can accelerate this bitblt
|
|
if (p->src_base_addr == screen_base && p->dest_base_addr == screen_base &&
|
|
display_type == DIS_SCREEN && bitblt_hook != NULL &&
|
|
((uint32 *)p)[0x18 >> 2] + ((uint32 *)p)[0x128 >> 2] == 0 &&
|
|
((uint32 *)p)[0x130 >> 2] == 0 &&
|
|
p->transfer_mode == 0 &&
|
|
p->src_row_bytes > 0 && ((uint32 *)p)[0x15c >> 2] > 0) {
|
|
|
|
// Yes, set function pointer
|
|
p->draw_proc = accl_bitblt;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// Rectangle filling/inversion
|
|
static void accl_fillrect8(accl_params *p)
|
|
{
|
|
D(bug("accl_fillrect8\n"));
|
|
|
|
// Get filling parameters
|
|
int16 dest_X = p->dest_rect[1] - p->dest_bounds[1];
|
|
int16 dest_Y = p->dest_rect[0] - p->dest_bounds[0];
|
|
int16 dest_X_max = p->dest_rect[3] - p->dest_bounds[1] - 1;
|
|
int16 dest_Y_max = p->dest_rect[2] - p->dest_bounds[0] - 1;
|
|
uint8 color = p->pen_mode == 8 ? p->fore_pen : p->back_pen;
|
|
D(bug(" dest X %d, dest Y %d\n", dest_X, dest_Y));
|
|
D(bug(" dest X max %d, dest Y max %d\n", dest_X_max, dest_Y_max));
|
|
|
|
// And perform the fill
|
|
fillrect8_hook(dest_X, dest_Y, dest_X_max, dest_Y_max, color);
|
|
}
|
|
|
|
static void accl_fillrect32(accl_params *p)
|
|
{
|
|
D(bug("accl_fillrect32\n"));
|
|
|
|
// Get filling parameters
|
|
int16 dest_X = p->dest_rect[1] - p->dest_bounds[1];
|
|
int16 dest_Y = p->dest_rect[0] - p->dest_bounds[0];
|
|
int16 dest_X_max = p->dest_rect[3] - p->dest_bounds[1] - 1;
|
|
int16 dest_Y_max = p->dest_rect[2] - p->dest_bounds[0] - 1;
|
|
uint32 color = p->pen_mode == 8 ? p->fore_pen : p->back_pen;
|
|
D(bug(" dest X %d, dest Y %d\n", dest_X, dest_Y));
|
|
D(bug(" dest X max %d, dest Y max %d\n", dest_X_max, dest_Y_max));
|
|
|
|
// And perform the fill
|
|
fillrect32_hook(dest_X, dest_Y, dest_X_max, dest_Y_max, color);
|
|
}
|
|
|
|
static void accl_invrect(accl_params *p)
|
|
{
|
|
D(bug("accl_invrect\n"));
|
|
|
|
// Get inversion parameters
|
|
int16 dest_X = p->dest_rect[1] - p->dest_bounds[1];
|
|
int16 dest_Y = p->dest_rect[0] - p->dest_bounds[0];
|
|
int16 dest_X_max = p->dest_rect[3] - p->dest_bounds[1] - 1;
|
|
int16 dest_Y_max = p->dest_rect[2] - p->dest_bounds[0] - 1;
|
|
D(bug(" dest X %d, dest Y %d\n", dest_X, dest_Y));
|
|
D(bug(" dest X max %d, dest Y max %d\n", dest_X_max, dest_Y_max));
|
|
|
|
//!!?? pen_mode == 14
|
|
|
|
// And perform the inversion
|
|
invrect_hook(dest_X, dest_Y, dest_X_max, dest_Y_max);
|
|
}
|
|
|
|
static bool accl_fillrect_hook(accl_params *p)
|
|
{
|
|
D(bug("accl_fillrect_hook %p\n", p));
|
|
|
|
// Check if we can accelerate this fillrect
|
|
if (p->dest_base_addr == screen_base && ((uint32 *)p)[0x284 >> 2] != 0 && display_type == DIS_SCREEN) {
|
|
if (p->transfer_mode == 8) {
|
|
// Fill
|
|
if (p->dest_pixel_size == 8 && fillrect8_hook != NULL) {
|
|
p->draw_proc = accl_fillrect8;
|
|
return true;
|
|
} else if (p->dest_pixel_size == 32 && fillrect32_hook != NULL) {
|
|
p->draw_proc = accl_fillrect32;
|
|
return true;
|
|
}
|
|
} else if (p->transfer_mode == 10 && invrect_hook != NULL) {
|
|
// Invert
|
|
p->draw_proc = accl_invrect;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// Wait for graphics operation to finish
|
|
static bool accl_sync_hook(void *arg)
|
|
{
|
|
D(bug("accl_sync_hook %p\n", arg));
|
|
if (sync_hook != NULL)
|
|
sync_hook();
|
|
return true;
|
|
}
|
|
|
|
static struct accl_hook_info bitblt_hook_info = {accl_bitblt_hook, accl_sync_hook, ACCL_BITBLT};
|
|
static struct accl_hook_info fillrect_hook_info = {accl_fillrect_hook, accl_sync_hook, ACCL_FILLRECT};
|
|
#endif
|
|
|
|
void VideoInstallAccel(void)
|
|
{
|
|
// Install acceleration hooks
|
|
if (PrefsFindBool("gfxaccel")) {
|
|
D(bug("Video: Installing acceleration hooks\n"));
|
|
//!! NQDMisc(6, &bitblt_hook_info);
|
|
// NQDMisc(6, &fillrect_hook_info);
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Change video mode
|
|
*/
|
|
|
|
int16 video_mode_change(VidLocals *csSave, uint32 ParamPtr)
|
|
{
|
|
/* return if no mode change */
|
|
if ((csSave->saveData == ReadMacInt32(ParamPtr + csData)) &&
|
|
(csSave->saveMode == ReadMacInt16(ParamPtr + csMode))) return noErr;
|
|
|
|
/* first find video mode in table */
|
|
for (int i=0; VModes[i].viType != DIS_INVALID; i++) {
|
|
if ((ReadMacInt16(ParamPtr + csMode) == VModes[i].viAppleMode) &&
|
|
(ReadMacInt32(ParamPtr + csData) == VModes[i].viAppleID)) {
|
|
csSave->saveMode = ReadMacInt16(ParamPtr + csMode);
|
|
csSave->saveData = ReadMacInt32(ParamPtr + csData);
|
|
csSave->savePage = ReadMacInt16(ParamPtr + csPage);
|
|
|
|
// Disable interrupts and pause redraw thread
|
|
DisableInterrupt();
|
|
thread_stop_ack = false;
|
|
thread_stop_req = true;
|
|
while (!thread_stop_ack) ;
|
|
|
|
/* close old display */
|
|
close_display();
|
|
|
|
/* open new display */
|
|
cur_mode = i;
|
|
bool ok = open_display();
|
|
|
|
/* opening the screen failed? Then bail out */
|
|
if (!ok) {
|
|
ErrorAlert(GetString(STR_FULL_SCREEN_ERR));
|
|
QuitEmulator();
|
|
}
|
|
|
|
WriteMacInt32(ParamPtr + csBaseAddr, screen_base);
|
|
csSave->saveBaseAddr=screen_base;
|
|
csSave->saveData=VModes[cur_mode].viAppleID;/* First mode ... */
|
|
csSave->saveMode=VModes[cur_mode].viAppleMode;
|
|
|
|
// Enable interrupts and resume redraw thread
|
|
thread_stop_req = false;
|
|
EnableInterrupt();
|
|
return noErr;
|
|
}
|
|
}
|
|
return paramErr;
|
|
}
|
|
|
|
|
|
/*
|
|
* Set color palette
|
|
*/
|
|
|
|
void video_set_palette(void)
|
|
{
|
|
palette_changed = true;
|
|
}
|
|
|
|
|
|
/*
|
|
* Set cursor image for window
|
|
*/
|
|
|
|
void video_set_cursor(void)
|
|
{
|
|
cursor_changed = true;
|
|
}
|
|
|
|
|
|
/*
|
|
* Thread for window refresh, event handling and other periodic actions
|
|
*/
|
|
|
|
static void update_display(void)
|
|
{
|
|
// Incremental update code
|
|
int wide = 0, high = 0, x1, x2, y1, y2, i, j;
|
|
int bytes_per_row = VModes[cur_mode].viRowBytes;
|
|
int bytes_per_pixel = VModes[cur_mode].viRowBytes / VModes[cur_mode].viXsize;
|
|
uint8 *p, *p2;
|
|
|
|
// Check for first line from top and first line from bottom that have changed
|
|
y1 = 0;
|
|
for (j=0; j<VModes[cur_mode].viYsize; j++) {
|
|
if (memcmp(&the_buffer[j * bytes_per_row], &the_buffer_copy[j * bytes_per_row], bytes_per_row)) {
|
|
y1 = j;
|
|
break;
|
|
}
|
|
}
|
|
y2 = y1 - 1;
|
|
for (j=VModes[cur_mode].viYsize-1; j>=y1; j--) {
|
|
if (memcmp(&the_buffer[j * bytes_per_row], &the_buffer_copy[j * bytes_per_row], bytes_per_row)) {
|
|
y2 = j;
|
|
break;
|
|
}
|
|
}
|
|
high = y2 - y1 + 1;
|
|
|
|
// Check for first column from left and first column from right that have changed
|
|
if (high) {
|
|
if (depth == 1) {
|
|
x1 = VModes[cur_mode].viXsize;
|
|
for (j=y1; j<=y2; j++) {
|
|
p = &the_buffer[j * bytes_per_row];
|
|
p2 = &the_buffer_copy[j * bytes_per_row];
|
|
for (i=0; i<(x1>>3); i++) {
|
|
if (*p != *p2) {
|
|
x1 = i << 3;
|
|
break;
|
|
}
|
|
p++;
|
|
p2++;
|
|
}
|
|
}
|
|
x2 = x1;
|
|
for (j=y1; j<=y2; j++) {
|
|
p = &the_buffer[j * bytes_per_row];
|
|
p2 = &the_buffer_copy[j * bytes_per_row];
|
|
p += bytes_per_row;
|
|
p2 += bytes_per_row;
|
|
for (i=(VModes[cur_mode].viXsize>>3); i>(x2>>3); i--) {
|
|
p--;
|
|
p2--;
|
|
if (*p != *p2) {
|
|
x2 = i << 3;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
wide = x2 - x1;
|
|
|
|
// Update copy of the_buffer
|
|
if (high && wide) {
|
|
for (j=y1; j<=y2; j++) {
|
|
i = j * bytes_per_row + (x1 >> 3);
|
|
memcpy(&the_buffer_copy[i], &the_buffer[i], wide >> 3);
|
|
}
|
|
}
|
|
|
|
} else {
|
|
x1 = VModes[cur_mode].viXsize;
|
|
for (j=y1; j<=y2; j++) {
|
|
p = &the_buffer[j * bytes_per_row];
|
|
p2 = &the_buffer_copy[j * bytes_per_row];
|
|
for (i=0; i<x1; i++) {
|
|
if (memcmp(p, p2, bytes_per_pixel)) {
|
|
x1 = i;
|
|
break;
|
|
}
|
|
p += bytes_per_pixel;
|
|
p2 += bytes_per_pixel;
|
|
}
|
|
}
|
|
x2 = x1;
|
|
for (j=y1; j<=y2; j++) {
|
|
p = &the_buffer[j * bytes_per_row];
|
|
p2 = &the_buffer_copy[j * bytes_per_row];
|
|
p += bytes_per_row;
|
|
p2 += bytes_per_row;
|
|
for (i=VModes[cur_mode].viXsize; i>x2; i--) {
|
|
p -= bytes_per_pixel;
|
|
p2 -= bytes_per_pixel;
|
|
if (memcmp(p, p2, bytes_per_pixel)) {
|
|
x2 = i;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
wide = x2 - x1;
|
|
|
|
// Update copy of the_buffer
|
|
if (high && wide) {
|
|
for (j=y1; j<=y2; j++) {
|
|
i = j * bytes_per_row + x1 * bytes_per_pixel;
|
|
memcpy(&the_buffer_copy[i], &the_buffer[i], bytes_per_pixel * wide);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Refresh display
|
|
if (high && wide) {
|
|
if (have_shm)
|
|
XShmPutImage(x_display, the_win, the_gc, img, x1, y1, x1, y1, wide, high, 0);
|
|
else
|
|
XPutImage(x_display, the_win, the_gc, img, x1, y1, x1, y1, wide, high);
|
|
}
|
|
}
|
|
|
|
static void *redraw_func(void *arg)
|
|
{
|
|
int tick_counter = 0;
|
|
struct timespec req = {0, 16666667};
|
|
|
|
for (;;) {
|
|
|
|
// Wait
|
|
nanosleep(&req, NULL);
|
|
|
|
// Pause if requested (during video mode switches)
|
|
while (thread_stop_req)
|
|
thread_stop_ack = true;
|
|
|
|
// Handle X11 events
|
|
handle_events();
|
|
|
|
// Quit DGA mode if requested
|
|
if (quit_full_screen) {
|
|
quit_full_screen = false;
|
|
if (display_type == DIS_SCREEN) {
|
|
#ifdef ENABLE_XF86_DGA
|
|
XF86DGADirectVideo(x_display, screen, 0);
|
|
XUngrabPointer(x_display, CurrentTime);
|
|
XUngrabKeyboard(x_display, CurrentTime);
|
|
#endif
|
|
XSync(x_display, false);
|
|
quit_full_screen_ack = true;
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
// Refresh display and set cursor image in window mode
|
|
if (display_type == DIS_WINDOW) {
|
|
tick_counter++;
|
|
if (tick_counter >= frame_skip) {
|
|
tick_counter = 0;
|
|
|
|
// Update display
|
|
update_display();
|
|
|
|
// Set new cursor image if it was changed
|
|
if (cursor_changed) {
|
|
cursor_changed = false;
|
|
memcpy(cursor_image->data, MacCursor + 4, 32);
|
|
memcpy(cursor_mask_image->data, MacCursor + 36, 32);
|
|
XFreeCursor(x_display, mac_cursor);
|
|
XPutImage(x_display, cursor_map, cursor_gc, cursor_image, 0, 0, 0, 0, 16, 16);
|
|
XPutImage(x_display, cursor_mask_map, cursor_mask_gc, cursor_mask_image, 0, 0, 0, 0, 16, 16);
|
|
mac_cursor = XCreatePixmapCursor(x_display, cursor_map, cursor_mask_map, &black, &white, MacCursor[2], MacCursor[3]);
|
|
XDefineCursor(x_display, the_win, mac_cursor);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Set new palette if it was changed
|
|
if (palette_changed && !emul_suspended) {
|
|
palette_changed = false;
|
|
XColor c[256];
|
|
for (int i=0; i<256; i++) {
|
|
c[i].pixel = i;
|
|
c[i].red = mac_pal[i].red * 0x0101;
|
|
c[i].green = mac_pal[i].green * 0x0101;
|
|
c[i].blue = mac_pal[i].blue * 0x0101;
|
|
c[i].flags = DoRed | DoGreen | DoBlue;
|
|
}
|
|
if (depth == 8) {
|
|
XStoreColors(x_display, cmap[0], c, 256);
|
|
XStoreColors(x_display, cmap[1], c, 256);
|
|
#ifdef ENABLE_XF86_DGA
|
|
if (display_type == DIS_SCREEN) {
|
|
current_dga_cmap ^= 1;
|
|
XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|