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root/cebix/BasiliskII/src/Unix/video_x.cpp

Comparing BasiliskII/src/Unix/video_x.cpp (file contents):
Revision 1.13 by cebix, 2000-02-11T17:20:44Z vs.
Revision 1.40 by cebix, 2001-06-27T19:03:37Z

#	Line 1 | Line 1
1		/*
2		*  video_x.cpp - Video/graphics emulation, X11 specific stuff
3		*
4	<	*  Basilisk II (C) 1997-1999 Christian Bauer
4	>	*  Basilisk II (C) 1997-2001 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
#	Line 34 | Line 34
34		#include <X11/extensions/XShm.h>
35		#include <sys/ipc.h>
36		#include <sys/shm.h>
37	–	#include <pthread.h>
37		#include <errno.h>
38
39	+	#ifdef HAVE_PTHREADS
40	+	# include <pthread.h>
41	+	#endif
42	+
43	+	#ifdef ENABLE_XF86_DGA
44	+	# include <X11/extensions/xf86dga.h>
45	+	#endif
46	+
47	+	#ifdef ENABLE_XF86_VIDMODE
48	+	# include <X11/extensions/xf86vmode.h>
49	+	#endif
50	+
51	+	#ifdef ENABLE_FBDEV_DGA
52	+	# include <sys/mman.h>
53	+	#endif
54	+
55	+	#ifdef ENABLE_VOSF
56	+	# include <fcntl.h>
57	+	# include <sys/mman.h>
58	+	# include "sigsegv.h"
59	+	# include "vm_alloc.h"
60	+	#endif
61	+
62		#include "cpu_emulation.h"
63		#include "main.h"
64		#include "adb.h"
#	Line 45 | Line 67
67		#include "user_strings.h"
68		#include "video.h"
69
70	<	#define DEBUG 1
70	>	#define DEBUG 0
71		#include "debug.h"
72
51	–	#if ENABLE_XF86_DGA
52	–	#include <X11/extensions/xf86dga.h>
53	–	#endif
54	–
55	–	#if ENABLE_XF86_VIDMODE
56	–	#include <X11/extensions/xf86vmode.h>
57	–	#endif
58	–
59	–	#if ENABLE_FBDEV_DGA
60	–	#include <sys/mman.h>
61	–	#endif
62	–
63	–
73
74		// Display types
75		enum {
#	Line 79 | Line 88 | static int16 mouse_wheel_mode = 1;
88		static int16 mouse_wheel_lines = 3;
89
90		static int display_type = DISPLAY_WINDOW;                       // See enum above
91	+	static bool local_X11;                                                          // Flag: X server running on local machine?
92		static uint8 *the_buffer;                                                       // Mac frame buffer
93	+
94	+	#ifdef HAVE_PTHREADS
95		static bool redraw_thread_active = false;                       // Flag: Redraw thread installed
96		static volatile bool redraw_thread_cancel = false;      // Flag: Cancel Redraw thread
97		static pthread_t redraw_thread;                                         // Redraw thread
98	+	#endif
99
100		static bool has_dga = false;                                            // Flag: Video DGA capable
101		static bool has_vidmode = false;                                        // Flag: VidMode extension available
#	Line 109 | Line 122 | static Colormap cmap[2];                                                       // Two co
122		static XColor black, white;
123		static unsigned long black_pixel, white_pixel;
124		static int eventmask;
125	<	static const int win_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask | EnterWindowMask | ExposureMask;
126	<	static const int dga_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask;
125	>	static const int win_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask | EnterWindowMask | ExposureMask | StructureNotifyMask;
126	>	static const int dga_eventmask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask | StructureNotifyMask;
127	>	static Atom WM_DELETE_WINDOW = (Atom)0;
128
115	–	static pthread_mutex_t palette_lock = PTHREAD_MUTEX_INITIALIZER;        // Mutex to protect palette
129		static XColor palette[256];                                                     // Color palette for 8-bit mode
130		static bool palette_changed = false;                            // Flag: Palette changed, redraw thread must set new colors
131	+	#ifdef HAVE_PTHREADS
132	+	static pthread_mutex_t palette_lock = PTHREAD_MUTEX_INITIALIZER;        // Mutex to protect palette
133	+	#define LOCK_PALETTE pthread_mutex_lock(&palette_lock)
134	+	#define UNLOCK_PALETTE pthread_mutex_unlock(&palette_lock)
135	+	#else
136	+	#define LOCK_PALETTE
137	+	#define UNLOCK_PALETTE
138	+	#endif
139
140		// Variables for window mode
141		static GC the_gc;
142		static XImage *img = NULL;
143		static XShmSegmentInfo shminfo;
123	–	static XImage *cursor_image, *cursor_mask_image;
124	–	static Pixmap cursor_map, cursor_mask_map;
144		static Cursor mac_cursor;
126	–	static GC cursor_gc, cursor_mask_gc;
145		static uint8 *the_buffer_copy = NULL;                           // Copy of Mac frame buffer
128	–	static uint8 the_cursor[64];                                            // Cursor image data
146		static bool have_shm = false;                                           // Flag: SHM extensions available
147		static bool updt_box[17][17];                                           // Flag for Update
148		static int nr_boxes;
#	Line 136 | Line 153 | static int sm_no_boxes[] = {1,8,32,64,12
153		static int current_dga_cmap;                                            // Number (0 or 1) of currently installed DGA colormap
154		static Window suspend_win;                                                      // "Suspend" window
155		static void *fb_save = NULL;                                            // Saved frame buffer for suspend
156	+	#ifdef HAVE_PTHREADS
157		static pthread_mutex_t frame_buffer_lock = PTHREAD_MUTEX_INITIALIZER;   // Mutex to protect frame buffer
158	+	#define LOCK_FRAME_BUFFER pthread_mutex_lock(&frame_buffer_lock);
159	+	#define UNLOCK_FRAME_BUFFER pthread_mutex_unlock(&frame_buffer_lock);
160	+	#else
161	+	#define LOCK_FRAME_BUFFER
162	+	#define UNLOCK_FRAME_BUFFER
163	+	#endif
164
165		// Variables for fbdev DGA mode
166		const char FBDEVICE_FILE_NAME[] = "/dev/fb";
167		static int fbdev_fd;
168
169	<	#if ENABLE_XF86_VIDMODE
169	>	#ifdef ENABLE_XF86_VIDMODE
170		// Variables for XF86 VidMode support
171		static XF86VidModeModeInfo **x_video_modes;                     // Array of all available modes
172		static int num_x_video_modes;
173		#endif
174
175	+	#ifdef ENABLE_VOSF
176	+	static bool use_vosf = true;                                            // Flag: VOSF enabled
177	+	#else
178	+	static const bool use_vosf = false;                                     // Flag: VOSF enabled
179	+	#endif
180	+
181	+	#ifdef ENABLE_VOSF
182	+	// Variables for Video on SEGV support (taken from the Win32 port)
183	+	static uint8 *the_host_buffer;                                          // Host frame buffer in VOSF mode
184	+	static uint32 the_buffer_size;                                          // Size of allocated the_buffer
185	+
186	+	struct ScreenPageInfo {
187	+	int top, bottom;                    // Mapping between this virtual page and Mac scanlines
188	+	};
189	+
190	+	struct ScreenInfo {
191	+	uintptr memBase;                    // Real start address
192	+	uintptr memStart;                   // Start address aligned to page boundary
193	+	uintptr memEnd;                             // Address of one-past-the-end of the screen
194	+	uint32 memLength;                   // Length of the memory addressed by the screen pages
195	+
196	+	uint32 pageSize;                    // Size of a page
197	+	int pageBits;                               // Shift count to get the page number
198	+	uint32 pageCount;                   // Number of pages allocated to the screen
199	+
200	+	bool dirty;                                     // Flag: set if the frame buffer was touched
201	+	char * dirtyPages;                  // Table of flags set if page was altered
202	+	ScreenPageInfo * pageInfo;  // Table of mappings page -> Mac scanlines
203	+	};
204	+
205	+	static ScreenInfo mainBuffer;
206	+
207	+	#define PFLAG_SET_VALUE                 0x00
208	+	#define PFLAG_CLEAR_VALUE               0x01
209	+	#define PFLAG_SET_VALUE_4               0x00000000
210	+	#define PFLAG_CLEAR_VALUE_4             0x01010101
211	+	#define PFLAG_SET(page)                 mainBuffer.dirtyPages[page] = PFLAG_SET_VALUE
212	+	#define PFLAG_CLEAR(page)               mainBuffer.dirtyPages[page] = PFLAG_CLEAR_VALUE
213	+	#define PFLAG_ISSET(page)               (mainBuffer.dirtyPages[page] == PFLAG_SET_VALUE)
214	+	#define PFLAG_ISCLEAR(page)             (mainBuffer.dirtyPages[page] != PFLAG_SET_VALUE)
215	+
216	+	#ifdef UNALIGNED_PROFITABLE
217	+	# define PFLAG_ISSET_4(page)    (*((uint32 *)(mainBuffer.dirtyPages + (page))) == PFLAG_SET_VALUE_4)
218	+	# define PFLAG_ISCLEAR_4(page)  (*((uint32 *)(mainBuffer.dirtyPages + (page))) == PFLAG_CLEAR_VALUE_4)
219	+	#else
220	+	# define PFLAG_ISSET_4(page) \
221	+	PFLAG_ISSET(page  ) && PFLAG_ISSET(page+1) \
222	+	&&      PFLAG_ISSET(page+2) && PFLAG_ISSET(page+3)
223	+	# define PFLAG_ISCLEAR_4(page) \
224	+	PFLAG_ISCLEAR(page  ) && PFLAG_ISCLEAR(page+1) \
225	+	&&      PFLAG_ISCLEAR(page+2) && PFLAG_ISCLEAR(page+3)
226	+	#endif
227	+
228	+	// Set the selected page range [ first_page, last_page [ into the SET state
229	+	#define PFLAG_SET_RANGE(first_page, last_page) \
230	+	memset(mainBuffer.dirtyPages + (first_page), PFLAG_SET_VALUE, \
231	+	(last_page) - (first_page))
232	+
233	+	// Set the selected page range [ first_page, last_page [ into the CLEAR state
234	+	#define PFLAG_CLEAR_RANGE(first_page, last_page) \
235	+	memset(mainBuffer.dirtyPages + (first_page), PFLAG_CLEAR_VALUE, \
236	+	(last_page) - (first_page))
237	+
238	+	#define PFLAG_SET_ALL do { \
239	+	PFLAG_SET_RANGE(0, mainBuffer.pageCount); \
240	+	mainBuffer.dirty = true; \
241	+	} while (0)
242	+
243	+	#define PFLAG_CLEAR_ALL do { \
244	+	PFLAG_CLEAR_RANGE(0, mainBuffer.pageCount); \
245	+	mainBuffer.dirty = false; \
246	+	} while (0)
247	+
248	+	// Set the following macro definition to 1 if your system
249	+	// provides a really fast strchr() implementation
250	+	//#define HAVE_FAST_STRCHR 0
251	+
252	+	static inline int find_next_page_set(int page)
253	+	{
254	+	#if HAVE_FAST_STRCHR
255	+	char *match = strchr(mainBuffer.dirtyPages + page, PFLAG_SET_VALUE);
256	+	return match ? match - mainBuffer.dirtyPages : mainBuffer.pageCount;
257	+	#else
258	+	while (PFLAG_ISCLEAR_4(page))
259	+	page += 4;
260	+	while (PFLAG_ISCLEAR(page))
261	+	page++;
262	+	return page;
263	+	#endif
264	+	}
265	+
266	+	static inline int find_next_page_clear(int page)
267	+	{
268	+	#if HAVE_FAST_STRCHR
269	+	char *match = strchr(mainBuffer.dirtyPages + page, PFLAG_CLEAR_VALUE);
270	+	return match ? match - mainBuffer.dirtyPages : mainBuffer.pageCount;
271	+	#else
272	+	while (PFLAG_ISSET_4(page))
273	+	page += 4;
274	+	while (PFLAG_ISSET(page))
275	+	page++;
276	+	return page;
277	+	#endif
278	+	}
279	+
280	+	static int zero_fd = -1;
281	+
282	+	#ifdef HAVE_PTHREADS
283	+	static pthread_mutex_t vosf_lock = PTHREAD_MUTEX_INITIALIZER;   // Mutex to protect frame buffer (dirtyPages in fact)
284	+	#define LOCK_VOSF pthread_mutex_lock(&vosf_lock);
285	+	#define UNLOCK_VOSF pthread_mutex_unlock(&vosf_lock);
286	+	#else
287	+	#define LOCK_VOSF
288	+	#define UNLOCK_VOSF
289	+	#endif
290	+
291	+	static int log_base_2(uint32 x)
292	+	{
293	+	uint32 mask = 0x80000000;
294	+	int l = 31;
295	+	while (l >= 0 && (x & mask) == 0) {
296	+	mask >>= 1;
297	+	l--;
298	+	}
299	+	return l;
300	+	}
301	+	#endif /* ENABLE_VOSF */
302	+
303	+	// VideoRefresh function
304	+	void VideoRefreshInit(void);
305	+	static void (*video_refresh)(void);
306
307		// Prototypes
308		static void *redraw_func(void *arg);
309	<	static int event2keycode(XKeyEvent *ev);
309	>	static int event2keycode(XKeyEvent &ev);
310
311
312		// From main_unix.cpp
313	+	extern char *x_display_name;
314		extern Display *x_display;
315
316		// From sys_unix.cpp
317		extern void SysMountFirstFloppy(void);
318
319	+	#ifdef ENABLE_VOSF
320	+	# include "video_vosf.h"
321	+	#endif
322	+
323
324		/*
325		*  Initialization
326		*/
327
328	<	// Set VideoMonitor according to video mode
329	<	void set_video_monitor(int width, int height, int bytes_per_row, bool native_byte_order)
328	>	// Add resolution to list of supported modes and set VideoMonitor
329	>	static void set_video_monitor(uint32 width, uint32 height, uint32 bytes_per_row, bool native_byte_order)
330		{
331	+	video_mode mode;
332	+	#if !REAL_ADDRESSING && !DIRECT_ADDRESSING
333		int layout = FLAYOUT_DIRECT;
334		switch (depth) {
335		case 1:
336		layout = FLAYOUT_DIRECT;
175	–	VideoMonitor.mode = VMODE_1BIT;
337		break;
338		case 8:
339		layout = FLAYOUT_DIRECT;
179	–	VideoMonitor.mode = VMODE_8BIT;
340		break;
341		case 15:
342		layout = FLAYOUT_HOST_555;
183	–	VideoMonitor.mode = VMODE_16BIT;
343		break;
344		case 16:
345		layout = FLAYOUT_HOST_565;
187	–	VideoMonitor.mode = VMODE_16BIT;
346		break;
347		case 24:
348		case 32:
349		layout = FLAYOUT_HOST_888;
192	–	VideoMonitor.mode = VMODE_32BIT;
350		break;
351		}
195	–	VideoMonitor.x = width;
196	–	VideoMonitor.y = height;
197	–	VideoMonitor.bytes_per_row = bytes_per_row;
352		if (native_byte_order)
353		MacFrameLayout = layout;
354		else
355		MacFrameLayout = FLAYOUT_DIRECT;
356	+	#endif
357	+
358	+	mode.x = width;
359	+	mode.y = height;
360	+	mode.resolution_id = 0x80;
361	+	mode.bytes_per_row = bytes_per_row;
362	+
363	+	switch (depth) {
364	+	case 1:
365	+	mode.depth = VDEPTH_1BIT;
366	+	break;
367	+	case 2:
368	+	mode.depth = VDEPTH_2BIT;
369	+	break;
370	+	case 4:
371	+	mode.depth = VDEPTH_4BIT;
372	+	break;
373	+	case 8:
374	+	mode.depth = VDEPTH_8BIT;
375	+	break;
376	+	case 15:
377	+	mode.depth = VDEPTH_16BIT;
378	+	break;
379	+	case 16:
380	+	mode.depth = VDEPTH_16BIT;
381	+	break;
382	+	case 24:
383	+	case 32:
384	+	mode.depth = VDEPTH_32BIT;
385	+	break;
386	+	}
387	+
388	+	VideoModes.push_back(mode);
389	+	VideoMonitor.mode = mode;
390	+	}
391	+
392	+	// Set window name and class
393	+	static void set_window_name(Window w, int name)
394	+	{
395	+	const char *str = GetString(name);
396	+	XStoreName(x_display, w, str);
397	+	XSetIconName(x_display, w, str);
398	+
399	+	XClassHint *hints;
400	+	hints = XAllocClassHint();
401	+	if (hints) {
402	+	hints->res_name = "BasiliskII";
403	+	hints->res_class = "BasiliskII";
404	+	XSetClassHint(x_display, w, hints);
405	+	XFree(hints);
406	+	}
407	+	}
408	+
409	+	// Set window input focus flag
410	+	static void set_window_focus(Window w)
411	+	{
412	+	XWMHints *hints = XAllocWMHints();
413	+	if (hints) {
414	+	hints->input = True;
415	+	hints->initial_state = NormalState;
416	+	hints->flags = InputHint | StateHint;
417	+	XSetWMHints(x_display, w, hints);
418	+	XFree(hints);
419	+	}
420	+	}
421	+
422	+	// Set WM_DELETE_WINDOW protocol on window (preventing it from being destroyed by the WM when clicking on the "close" widget)
423	+	static void set_window_delete_protocol(Window w)
424	+	{
425	+	WM_DELETE_WINDOW = XInternAtom(x_display, "WM_DELETE_WINDOW", false);
426	+	XSetWMProtocols(x_display, w, &WM_DELETE_WINDOW, 1);
427	+	}
428	+
429	+	// Wait until window is mapped/unmapped
430	+	void wait_mapped(Window w)
431	+	{
432	+	XEvent e;
433	+	do {
434	+	XMaskEvent(x_display, StructureNotifyMask, &e);
435	+	} while ((e.type != MapNotify) || (e.xmap.event != w));
436	+	}
437	+
438	+	void wait_unmapped(Window w)
439	+	{
440	+	XEvent e;
441	+	do {
442	+	XMaskEvent(x_display, StructureNotifyMask, &e);
443	+	} while ((e.type != UnmapNotify) || (e.xmap.event != w));
444		}
445
446		// Trap SHM errors
#	Line 225 | Line 467 | static bool init_window(int width, int h
467
468		// Read frame skip prefs
469		frame_skip = PrefsFindInt32("frameskip");
228	–	if (frame_skip == 0)
229	–	frame_skip = 1;
470
471		// Create window
472		XSetWindowAttributes wattr;
473		wattr.event_mask = eventmask = win_eventmask;
474		wattr.background_pixel = black_pixel;
475	<	wattr.border_pixel = black_pixel;
236	<	wattr.backing_store = NotUseful;
237	<	wattr.save_under = false;
238	<	wattr.backing_planes = xdepth;
475	>	wattr.colormap = cmap[0];
476
240	–	XSync(x_display, false);
477		the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth,
478	<	InputOutput, vis, CWEventMask | CWBackPixel | CWBorderPixel |
243	<	CWBackingStore | CWBackingPlanes, &wattr);
244	<	XSync(x_display, false);
245	<	XStoreName(x_display, the_win, GetString(STR_WINDOW_TITLE));
246	<	XMapRaised(x_display, the_win);
247	<	XSync(x_display, false);
478	>	InputOutput, vis, CWEventMask | CWBackPixel | (depth == 8 ? CWColormap : 0), &wattr);
479
480	<	// Set colormap
481	<	if (depth == 8) {
482	<	XSetWindowColormap(x_display, the_win, cmap[0]);
483	<	XSetWMColormapWindows(x_display, the_win, &the_win, 1);
484	<	}
480	>	// Set window name/class
481	>	set_window_name(the_win, STR_WINDOW_TITLE);
482	>
483	>	// Indicate that we want keyboard input
484	>	set_window_focus(the_win);
485	>
486	>	// Set delete protocol property
487	>	set_window_delete_protocol(the_win);
488
489		// Make window unresizable
490	<	XSizeHints *hints;
491	<	if ((hints = XAllocSizeHints()) != NULL) {
492	<	hints->min_width = width;
493	<	hints->max_width = width;
494	<	hints->min_height = height;
495	<	hints->max_height = height;
496	<	hints->flags = PMinSize | PMaxSize;
497	<	XSetWMNormalHints(x_display, the_win, hints);
498	<	XFree((char *)hints);
490	>	{
491	>	XSizeHints *hints = XAllocSizeHints();
492	>	if (hints) {
493	>	hints->min_width = width;
494	>	hints->max_width = width;
495	>	hints->min_height = height;
496	>	hints->max_height = height;
497	>	hints->flags = PMinSize | PMaxSize;
498	>	XSetWMNormalHints(x_display, the_win, hints);
499	>	XFree(hints);
500	>	}
501		}
502
503	+	// Show window
504	+	XMapWindow(x_display, the_win);
505	+	wait_mapped(the_win);
506	+
507		// Try to create and attach SHM image
508		have_shm = false;
509	<	if (depth != 1 && XShmQueryExtension(x_display)) {
509	>	if (depth != 1 && local_X11 && XShmQueryExtension(x_display)) {
510
511		// Create SHM image ("height + 2" for safety)
512		img = XShmCreateImage(x_display, vis, depth, depth == 1 ? XYBitmap : ZPixmap, 0, &shminfo, width, height);
#	Line 317 | Line 557 | static bool init_window(int width, int h
557		img->bitmap_bit_order = MSBFirst;
558		}
559
560	<	// Allocate memory for frame buffer copy
560	>	#ifdef ENABLE_VOSF
561	>	// Allocate memory for frame buffer (SIZE is extended to page-boundary)
562	>	the_host_buffer = the_buffer_copy;
563	>	the_buffer_size = page_extend((aligned_height + 2) * img->bytes_per_line);
564	>	the_buffer_copy = (uint8 *)vm_acquire(the_buffer_size);
565	>	the_buffer = (uint8 *)vm_acquire(the_buffer_size);
566	>	#else
567	>	// Allocate memory for frame buffer
568		the_buffer = (uint8 *)malloc((aligned_height + 2) * img->bytes_per_line);
569	+	#endif
570
571		// Create GC
572		the_gc = XCreateGC(x_display, the_win, 0, 0);
573		XSetState(x_display, the_gc, black_pixel, white_pixel, GXcopy, AllPlanes);
574
575		// Create no_cursor
576	<	mac_cursor = XCreatePixmapCursor (x_display,
577	<	XCreatePixmap (x_display, the_win, 1, 1, 1),
578	<	XCreatePixmap (x_display, the_win, 1, 1, 1),
579	<	&black, &white, 0, 0);
580	<	XDefineCursor (x_display, the_win, mac_cursor);
576	>	mac_cursor = XCreatePixmapCursor(x_display,
577	>	XCreatePixmap(x_display, the_win, 1, 1, 1),
578	>	XCreatePixmap(x_display, the_win, 1, 1, 1),
579	>	&black, &white, 0, 0);
580	>	XDefineCursor(x_display, the_win, mac_cursor);
581
582	<	// Set VideoMonitor
582	>	// Add resolution and set VideoMonitor
583	>	bool native_byte_order;
584		#ifdef WORDS_BIGENDIAN
585	<	set_video_monitor(width, height, img->bytes_per_line, img->bitmap_bit_order == MSBFirst);
585	>	native_byte_order = (XImageByteOrder(x_display) == MSBFirst);
586		#else
587	<	set_video_monitor(width, height, img->bytes_per_line, img->bitmap_bit_order == LSBFirst);
587	>	native_byte_order = (XImageByteOrder(x_display) == LSBFirst);
588		#endif
589	+	#ifdef ENABLE_VOSF
590	+	Screen_blitter_init(&visualInfo, native_byte_order);
591	+	#endif
592	+	set_video_monitor(width, height, img->bytes_per_line, native_byte_order);
593
594	<	#if REAL_ADDRESSING
595	<	VideoMonitor.mac_frame_base = (uint32)the_buffer;
343	<	MacFrameLayout = FLAYOUT_DIRECT;
594	>	#if REAL_ADDRESSING || DIRECT_ADDRESSING
595	>	VideoMonitor.mac_frame_base = Host2MacAddr(the_buffer);
596		#else
597		VideoMonitor.mac_frame_base = MacFrameBaseMac;
598		#endif
#	Line 350 | Line 602 | static bool init_window(int width, int h
602		// Init fbdev DGA display
603		static bool init_fbdev_dga(char *in_fb_name)
604		{
605	<	#if ENABLE_FBDEV_DGA
605	>	#ifdef ENABLE_FBDEV_DGA
606		// Find the maximum depth available
607		int ndepths, max_depth(0);
608		int *depths = XListDepths(x_display, screen, &ndepths);
#	Line 419 | Line 671 | static bool init_fbdev_dga(char *in_fb_n
671
672		// Create window
673		XSetWindowAttributes wattr;
674	<	wattr.override_redirect = True;
675	<	wattr.backing_store             = NotUseful;
676	<	wattr.background_pixel  = white_pixel;
677	<	wattr.border_pixel              = black_pixel;
426	<	wattr.event_mask                = eventmask = dga_eventmask;
674	>	wattr.event_mask = eventmask = dga_eventmask;
675	>	wattr.background_pixel = white_pixel;
676	>	wattr.override_redirect = True;
677	>	wattr.colormap = cmap[0];
678
428	–	XSync(x_display, false);
679		the_win = XCreateWindow(x_display, rootwin,
680		0, 0, width, height,
681		0, xdepth, InputOutput, vis,
682	<	CWEventMask|CWBackPixel|CWBorderPixel|CWOverrideRedirect|CWBackingStore,
682	>	CWEventMask | CWBackPixel | CWOverrideRedirect | (depth == 8 ? CWColormap : 0),
683		&wattr);
684	<	XSync(x_display, false);
684	>
685	>	// Set window name/class
686	>	set_window_name(the_win, STR_WINDOW_TITLE);
687	>
688	>	// Indicate that we want keyboard input
689	>	set_window_focus(the_win);
690	>
691	>	// Show window
692		XMapRaised(x_display, the_win);
693	<	XSync(x_display, false);
693	>	wait_mapped(the_win);
694
695		// Grab mouse and keyboard
696		XGrabKeyboard(x_display, the_win, True,
#	Line 442 | Line 699 | static bool init_fbdev_dga(char *in_fb_n
699		PointerMotionMask | ButtonPressMask | ButtonReleaseMask,
700		GrabModeAsync, GrabModeAsync, the_win, None, CurrentTime);
701
445	–	// Set colormap
446	–	if (depth == 8) {
447	–	XSetWindowColormap(x_display, the_win, cmap[0]);
448	–	XSetWMColormapWindows(x_display, the_win, &the_win, 1);
449	–	}
450	–
702		// Set VideoMonitor
703		int bytes_per_row = width;
704		switch (depth) {
#	Line 473 | Line 724 | static bool init_fbdev_dga(char *in_fb_n
724		}
725		}
726
727	+	#if ENABLE_VOSF
728	+	#if REAL_ADDRESSING || DIRECT_ADDRESSING
729	+	// Screen_blitter_init() returns TRUE if VOSF is mandatory
730	+	// i.e. the framebuffer update function is not Blit_Copy_Raw
731	+	use_vosf = Screen_blitter_init(&visualInfo, true);
732	+
733	+	if (use_vosf) {
734	+	// Allocate memory for frame buffer (SIZE is extended to page-boundary)
735	+	the_host_buffer = the_buffer;
736	+	the_buffer_size = page_extend((height + 2) * bytes_per_row);
737	+	the_buffer_copy = (uint8 *)vm_acquire(the_buffer_size);
738	+	the_buffer = (uint8 *)vm_acquire(the_buffer_size);
739	+	}
740	+	#else
741	+	use_vosf = false;
742	+	#endif
743	+	#endif
744	+
745		set_video_monitor(width, height, bytes_per_row, true);
746	<	#if REAL_ADDRESSING
747	<	VideoMonitor.mac_frame_base = (uint32)the_buffer;
479	<	MacFrameLayout = FLAYOUT_DIRECT;
746	>	#if REAL_ADDRESSING || DIRECT_ADDRESSING
747	>	VideoMonitor.mac_frame_base = Host2MacAddr(the_buffer);
748		#else
749		VideoMonitor.mac_frame_base = MacFrameBaseMac;
750		#endif
#	Line 490 | Line 758 | static bool init_fbdev_dga(char *in_fb_n
758		// Init XF86 DGA display
759		static bool init_xf86_dga(int width, int height)
760		{
761	<	#if ENABLE_XF86_DGA
761	>	#ifdef ENABLE_XF86_DGA
762		// Set relative mouse mode
763		ADBSetRelMouseMode(true);
764
765	<	#if ENABLE_XF86_VIDMODE
765	>	#ifdef ENABLE_XF86_VIDMODE
766		// Switch to best mode
767		if (has_vidmode) {
768		int best = 0;
#	Line 506 | Line 774 | static bool init_xf86_dga(int width, int
774		}
775		XF86VidModeSwitchToMode(x_display, screen, x_video_modes[best]);
776		XF86VidModeSetViewPort(x_display, screen, 0, 0);
777	+	XSync(x_display, false);
778		}
779		#endif
780
781		// Create window
782		XSetWindowAttributes wattr;
783		wattr.event_mask = eventmask = dga_eventmask;
515	–	wattr.border_pixel = black_pixel;
784		wattr.override_redirect = True;
785
518	–	XSync(x_display, false);
786		the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth,
787	<	InputOutput, vis, CWEventMask | CWBorderPixel | CWOverrideRedirect, &wattr);
788	<	XSync(x_display, false);
789	<	XStoreName(x_display, the_win, GetString(STR_WINDOW_TITLE));
787	>	InputOutput, vis, CWEventMask | CWOverrideRedirect, &wattr);
788	>
789	>	// Set window name/class
790	>	set_window_name(the_win, STR_WINDOW_TITLE);
791	>
792	>	// Indicate that we want keyboard input
793	>	set_window_focus(the_win);
794	>
795	>	// Show window
796		XMapRaised(x_display, the_win);
797	<	XSync(x_display, false);
797	>	wait_mapped(the_win);
798
799		// Establish direct screen connection
800		XMoveResizeWindow(x_display, the_win, 0, 0, width, height);
#	Line 538 | Line 811 | static bool init_xf86_dga(int width, int
811		// Set colormap
812		if (depth == 8) {
813		XSetWindowColormap(x_display, the_win, cmap[current_dga_cmap = 0]);
541	–	XSetWMColormapWindows(x_display, the_win, &the_win, 1);
814		XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
815		}
816	+	XSync(x_display, false);
817
818		// Set VideoMonitor
819		int bytes_per_row = (v_width + 7) & ~7;
#	Line 557 | Line 830 | static bool init_xf86_dga(int width, int
830		bytes_per_row *= 4;
831		break;
832		}
833	+
834	+	#ifdef VIDEO_VOSF
835	+	#if REAL_ADDRESSING || DIRECT_ADDRESSING
836	+	// Screen_blitter_init() returns TRUE if VOSF is mandatory
837	+	// i.e. the framebuffer update function is not Blit_Copy_Raw
838	+	use_vosf = Screen_blitter_init(&visualInfo, true);
839	+
840	+	if (use_vosf) {
841	+	// Allocate memory for frame buffer (SIZE is extended to page-boundary)
842	+	the_host_buffer = the_buffer;
843	+	the_buffer_size = page_extend((height + 2) * bytes_per_row);
844	+	the_buffer_copy = (uint8 *)vm_acquire(the_buffer_size);
845	+	the_buffer = (uint8 *)vm_acquire(the_buffer_size);
846	+	}
847	+	#else
848	+	use_vosf = false;
849	+	#endif
850	+	#endif
851	+
852		set_video_monitor(width, height, bytes_per_row, true);
853	<	#if REAL_ADDRESSING
854	<	VideoMonitor.mac_frame_base = (uint32)the_buffer;
855	<	MacFrameLayout = FLAYOUT_DIRECT;
853	>	#if REAL_ADDRESSING || DIRECT_ADDRESSING
854	>	VideoMonitor.mac_frame_base = Host2MacAddr(the_buffer);
855	>	//      MacFrameLayout = FLAYOUT_DIRECT;
856		#else
857		VideoMonitor.mac_frame_base = MacFrameBaseMac;
858		#endif
#	Line 636 | Line 928 | static void keycode_init(void)
928		}
929		}
930
931	+	bool VideoInitBuffer()
932	+	{
933	+	#ifdef ENABLE_VOSF
934	+	if (use_vosf) {
935	+	const uint32 page_size  = getpagesize();
936	+	const uint32 page_mask  = page_size - 1;
937	+
938	+	mainBuffer.memBase      = (uintptr) the_buffer;
939	+	// Align the frame buffer on page boundary
940	+	mainBuffer.memStart             = (uintptr)((((unsigned long) the_buffer) + page_mask) & ~page_mask);
941	+	mainBuffer.memLength    = the_buffer_size;
942	+	mainBuffer.memEnd       = mainBuffer.memStart + mainBuffer.memLength;
943	+
944	+	mainBuffer.pageSize     = page_size;
945	+	mainBuffer.pageCount    = (mainBuffer.memLength + page_mask)/mainBuffer.pageSize;
946	+	mainBuffer.pageBits     = log_base_2(mainBuffer.pageSize);
947	+
948	+	if (mainBuffer.dirtyPages != 0)
949	+	free(mainBuffer.dirtyPages);
950	+
951	+	mainBuffer.dirtyPages = (char *) malloc(mainBuffer.pageCount + 2);
952	+
953	+	if (mainBuffer.pageInfo != 0)
954	+	free(mainBuffer.pageInfo);
955	+
956	+	mainBuffer.pageInfo = (ScreenPageInfo *) malloc(mainBuffer.pageCount * sizeof(ScreenPageInfo));
957	+
958	+	if ((mainBuffer.dirtyPages == 0) || (mainBuffer.pageInfo == 0))
959	+	return false;
960	+
961	+	mainBuffer.dirty = false;
962	+
963	+	PFLAG_CLEAR_ALL;
964	+	// Safety net to insure the loops in the update routines will terminate
965	+	// See a discussion in <video_vosf.h> for further details
966	+	PFLAG_CLEAR(mainBuffer.pageCount);
967	+	PFLAG_SET(mainBuffer.pageCount+1);
968	+
969	+	uint32 a = 0;
970	+	for (int i = 0; i < mainBuffer.pageCount; i++) {
971	+	int y1 = a / VideoMonitor.mode.bytes_per_row;
972	+	if (y1 >= VideoMonitor.mode.y)
973	+	y1 = VideoMonitor.mode.y - 1;
974	+
975	+	int y2 = (a + mainBuffer.pageSize) / VideoMonitor.mode.bytes_per_row;
976	+	if (y2 >= VideoMonitor.mode.y)
977	+	y2 = VideoMonitor.mode.y - 1;
978	+
979	+	mainBuffer.pageInfo[i].top = y1;
980	+	mainBuffer.pageInfo[i].bottom = y2;
981	+
982	+	a += mainBuffer.pageSize;
983	+	if (a > mainBuffer.memLength)
984	+	a = mainBuffer.memLength;
985	+	}
986	+
987	+	// We can now write-protect the frame buffer
988	+	if (vm_protect((char *)mainBuffer.memStart, mainBuffer.memLength, VM_PAGE_READ) != 0)
989	+	return false;
990	+	}
991	+	#endif
992	+	return true;
993	+	}
994	+
995		bool VideoInit(bool classic)
996		{
997	+	#ifdef ENABLE_VOSF
998	+	// Open /dev/zero
999	+	zero_fd = open("/dev/zero", O_RDWR);
1000	+	if (zero_fd < 0) {
1001	+	char str[256];
1002	+	sprintf(str, GetString(STR_NO_DEV_ZERO_ERR), strerror(errno));
1003	+	ErrorAlert(str);
1004	+	return false;
1005	+	}
1006	+
1007	+	// Zero the mainBuffer structure
1008	+	mainBuffer.dirtyPages = 0;
1009	+	mainBuffer.pageInfo = 0;
1010	+	#endif
1011	+
1012	+	// Check if X server runs on local machine
1013	+	local_X11 = (strncmp(XDisplayName(x_display_name), ":", 1) == 0)
1014	+	|| (strncmp(XDisplayName(x_display_name), "unix:", 5) == 0);
1015	+
1016		// Init keycode translation
1017		keycode_init();
1018
1019		// Read prefs
1020	<	mouse_wheel_mode = PrefsFindInt16("mousewheelmode");
1021	<	mouse_wheel_lines = PrefsFindInt16("mousewheellines");
1020	>	mouse_wheel_mode = PrefsFindInt32("mousewheelmode");
1021	>	mouse_wheel_lines = PrefsFindInt32("mousewheellines");
1022
1023		// Find screen and root window
1024		screen = XDefaultScreen(x_display);
#	Line 652 | Line 1027 | bool VideoInit(bool classic)
1027		// Get screen depth
1028		xdepth = DefaultDepth(x_display, screen);
1029
1030	<	#if ENABLE_FBDEV_DGA
1030	>	#ifdef ENABLE_FBDEV_DGA
1031		// Frame buffer name
1032		char fb_name[20];
1033
#	Line 663 | Line 1038 | bool VideoInit(bool classic)
1038		has_dga = false;
1039		#endif
1040
1041	<	#if ENABLE_XF86_DGA
1041	>	#ifdef ENABLE_XF86_DGA
1042		// DGA available?
1043		int dga_event_base, dga_error_base;
1044	<	if (XF86DGAQueryExtension(x_display, &dga_event_base, &dga_error_base)) {
1044	>	if (local_X11 && XF86DGAQueryExtension(x_display, &dga_event_base, &dga_error_base)) {
1045		int dga_flags = 0;
1046		XF86DGAQueryDirectVideo(x_display, screen, &dga_flags);
1047		has_dga = dga_flags & XF86DGADirectPresent;
#	Line 674 | Line 1049 | bool VideoInit(bool classic)
1049		has_dga = false;
1050		#endif
1051
1052	<	#if ENABLE_XF86_VIDMODE
1052	>	#ifdef ENABLE_XF86_VIDMODE
1053		// VidMode available?
1054		int vm_event_base, vm_error_base;
1055		has_vidmode = XF86VidModeQueryExtension(x_display, &vm_event_base, &vm_error_base);
#	Line 747 | Line 1122 | bool VideoInit(bool classic)
1122		if (mode_str) {
1123		if (sscanf(mode_str, "win/%d/%d", &width, &height) == 2)
1124		display_type = DISPLAY_WINDOW;
1125	<	#if ENABLE_FBDEV_DGA
1125	>	#ifdef ENABLE_FBDEV_DGA
1126		else if (has_dga && sscanf(mode_str, "dga/%19s", fb_name) == 1) {
1127		#else
1128		else if (has_dga && sscanf(mode_str, "dga/%d/%d", &width, &height) == 2) {
#	Line 771 | Line 1146 | bool VideoInit(bool classic)
1146		return false;
1147		break;
1148		case DISPLAY_DGA:
1149	<	#if ENABLE_FBDEV_DGA
1149	>	#ifdef ENABLE_FBDEV_DGA
1150		if (!init_fbdev_dga(fb_name))
1151		#else
1152		if (!init_xf86_dga(width, height))
#	Line 781 | Line 1156 | bool VideoInit(bool classic)
1156		}
1157
1158		// Lock down frame buffer
1159	<	pthread_mutex_lock(&frame_buffer_lock);
1159	>	LOCK_FRAME_BUFFER;
1160
1161	<	#if !REAL_ADDRESSING
1161	>	#if !REAL_ADDRESSING && !DIRECT_ADDRESSING
1162		// Set variables for UAE memory mapping
1163		MacFrameBaseHost = the_buffer;
1164	<	MacFrameSize = VideoMonitor.bytes_per_row * VideoMonitor.y;
1164	>	MacFrameSize = VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y;
1165
1166		// No special frame buffer in Classic mode (frame buffer is in Mac RAM)
1167		if (classic)
1168		MacFrameLayout = FLAYOUT_NONE;
1169		#endif
1170
1171	<	// Start redraw/input thread
1171	>	#ifdef ENABLE_VOSF
1172	>	if (use_vosf) {
1173	>	// Initialize the mainBuffer structure
1174	>	if (!VideoInitBuffer()) {
1175	>	// TODO: STR_VOSF_INIT_ERR ?
1176	>	ErrorAlert("Could not initialize Video on SEGV signals");
1177	>	return false;
1178	>	}
1179	>
1180	>	// Initialize the handler for SIGSEGV
1181	>	if (!sigsegv_install_handler(screen_fault_handler)) {
1182	>	// TODO: STR_VOSF_INIT_ERR ?
1183	>	ErrorAlert("Could not initialize Video on SEGV signals");
1184	>	return false;
1185	>	}
1186	>	}
1187	>	#endif
1188	>
1189	>	// Initialize VideoRefresh function
1190	>	VideoRefreshInit();
1191	>
1192		XSync(x_display, false);
1193	+
1194	+	#ifdef HAVE_PTHREADS
1195	+	// Start redraw/input thread
1196		redraw_thread_active = (pthread_create(&redraw_thread, NULL, redraw_func, NULL) == 0);
1197	<	if (!redraw_thread_active)
1197	>	if (!redraw_thread_active) {
1198		printf("FATAL: cannot create redraw thread\n");
1199	<	return redraw_thread_active;
1199	>	return false;
1200	>	}
1201	>	#endif
1202	>	return true;
1203		}
1204
1205
#	Line 808 | Line 1209 | bool VideoInit(bool classic)
1209
1210		void VideoExit(void)
1211		{
1212	+	#ifdef HAVE_PTHREADS
1213		// Stop redraw thread
1214		if (redraw_thread_active) {
1215		redraw_thread_cancel = true;
#	Line 817 | Line 1219 | void VideoExit(void)
1219		pthread_join(redraw_thread, NULL);
1220		redraw_thread_active = false;
1221		}
1222	+	#endif
1223
1224		// Unlock frame buffer
1225	<	pthread_mutex_unlock(&frame_buffer_lock);
1225	>	UNLOCK_FRAME_BUFFER;
1226
1227		// Close window and server connection
1228		if (x_display != NULL) {
1229		XSync(x_display, false);
1230
1231	<	#if ENABLE_XF86_DGA
1231	>	#ifdef ENABLE_XF86_DGA
1232		if (display_type == DISPLAY_DGA) {
1233		XF86DGADirectVideo(x_display, screen, 0);
1234		XUngrabPointer(x_display, CurrentTime);
#	Line 833 | Line 1236 | void VideoExit(void)
1236		}
1237		#endif
1238
1239	<	#if ENABLE_XF86_VIDMODE
1239	>	#ifdef ENABLE_XF86_VIDMODE
1240		if (has_vidmode && display_type == DISPLAY_DGA)
1241		XF86VidModeSwitchToMode(x_display, screen, x_video_modes[0]);
1242		#endif
1243
1244	<	#if ENABLE_FBDEV_DGA
1244	>	#ifdef ENABLE_FBDEV_DGA
1245		if (display_type == DISPLAY_DGA) {
1246		XUngrabPointer(x_display, CurrentTime);
1247		XUngrabKeyboard(x_display, CurrentTime);
#	Line 852 | Line 1255 | void VideoExit(void)
1255		XFreeColormap(x_display, cmap[0]);
1256		XFreeColormap(x_display, cmap[1]);
1257		}
1258	+
1259	+	if (!use_vosf) {
1260	+	if (the_buffer) {
1261	+	free(the_buffer);
1262	+	the_buffer = NULL;
1263	+	}
1264
1265	<	if (the_buffer) {
1266	<	free(the_buffer);
1267	<	the_buffer = NULL;
1265	>	if (!have_shm && the_buffer_copy) {
1266	>	free(the_buffer_copy);
1267	>	the_buffer_copy = NULL;
1268	>	}
1269	>	}
1270	>	#ifdef ENABLE_VOSF
1271	>	else {
1272	>	if (the_buffer != (uint8 *)VM_MAP_FAILED) {
1273	>	vm_release(the_buffer, the_buffer_size);
1274	>	the_buffer = 0;
1275	>	}
1276	>
1277	>	if (the_buffer_copy != (uint8 *)VM_MAP_FAILED) {
1278	>	vm_release(the_buffer_copy, the_buffer_size);
1279	>	the_buffer_copy = 0;
1280	>	}
1281	>	}
1282	>	#endif
1283	>	}
1284	>
1285	>	#ifdef ENABLE_VOSF
1286	>	if (use_vosf) {
1287	>	// Clear mainBuffer data
1288	>	if (mainBuffer.pageInfo) {
1289	>	free(mainBuffer.pageInfo);
1290	>	mainBuffer.pageInfo = 0;
1291		}
1292
1293	<	if (!have_shm && the_buffer_copy) {
1294	<	free(the_buffer_copy);
1295	<	the_buffer_copy = NULL;
1293	>	if (mainBuffer.dirtyPages) {
1294	>	free(mainBuffer.dirtyPages);
1295	>	mainBuffer.dirtyPages = 0;
1296		}
1297		}
1298	+
1299	+	// Close /dev/zero
1300	+	if (zero_fd > 0)
1301	+	close(zero_fd);
1302	+	#endif
1303		}
1304
1305
#	Line 890 | Line 1327 | void VideoInterrupt(void)
1327
1328		// Temporarily give up frame buffer lock (this is the point where
1329		// we are suspended when the user presses Ctrl-Tab)
1330	<	pthread_mutex_unlock(&frame_buffer_lock);
1331	<	pthread_mutex_lock(&frame_buffer_lock);
1330	>	UNLOCK_FRAME_BUFFER;
1331	>	LOCK_FRAME_BUFFER;
1332		}
1333
1334
#	Line 901 | Line 1338 | void VideoInterrupt(void)
1338
1339		void video_set_palette(uint8 *pal)
1340		{
1341	<	pthread_mutex_lock(&palette_lock);
1341	>	LOCK_PALETTE;
1342
1343		// Convert colors to XColor array
1344		for (int i=0; i<256; i++) {
#	Line 915 | Line 1352 | void video_set_palette(uint8 *pal)
1352		// Tell redraw thread to change palette
1353		palette_changed = true;
1354
1355	<	pthread_mutex_unlock(&palette_lock);
1355	>	UNLOCK_PALETTE;
1356		}
1357
1358
#	Line 923 | Line 1360 | void video_set_palette(uint8 *pal)
1360		*  Suspend/resume emulator
1361		*/
1362
1363	<	#if ENABLE_XF86_DGA || ENABLE_FBDEV_DGA
1363	>	#if defined(ENABLE_XF86_DGA) || defined(ENABLE_FBDEV_DGA)
1364		static void suspend_emul(void)
1365		{
1366		if (display_type == DISPLAY_DGA) {
#	Line 932 | Line 1369 | static void suspend_emul(void)
1369		ctrl_down = false;
1370
1371		// Lock frame buffer (this will stop the MacOS thread)
1372	<	pthread_mutex_lock(&frame_buffer_lock);
1372	>	LOCK_FRAME_BUFFER;
1373
1374		// Save frame buffer
1375	<	fb_save = malloc(VideoMonitor.y * VideoMonitor.bytes_per_row);
1375	>	fb_save = malloc(VideoMonitor.mode.y * VideoMonitor.mode.bytes_per_row);
1376		if (fb_save)
1377	<	memcpy(fb_save, the_buffer, VideoMonitor.y * VideoMonitor.bytes_per_row);
1377	>	memcpy(fb_save, the_buffer, VideoMonitor.mode.y * VideoMonitor.mode.bytes_per_row);
1378
1379		// Close full screen display
1380	<	#if ENABLE_XF86_DGA
1380	>	#ifdef ENABLE_XF86_DGA
1381		XF86DGADirectVideo(x_display, screen, 0);
1382		#endif
1383		XUngrabPointer(x_display, CurrentTime);
1384		XUngrabKeyboard(x_display, CurrentTime);
1385		XUnmapWindow(x_display, the_win);
1386	<	XSync(x_display, false);
1386	>	wait_unmapped(the_win);
1387
1388		// Open "suspend" window
1389		XSetWindowAttributes wattr;
1390		wattr.event_mask = KeyPressMask;
1391		wattr.background_pixel = black_pixel;
955	–	wattr.border_pixel = black_pixel;
956	–	wattr.backing_store = Always;
957	–	wattr.backing_planes = xdepth;
958	–	wattr.colormap = DefaultColormap(x_display, screen);
1392
960	–	XSync(x_display, false);
1393		suspend_win = XCreateWindow(x_display, rootwin, 0, 0, 512, 1, 0, xdepth,
1394	<	InputOutput, vis, CWEventMask | CWBackPixel | CWBorderPixel |
1395	<	CWBackingStore | CWBackingPlanes | (xdepth == 8 ? CWColormap : 0), &wattr);
1396	<	XSync(x_display, false);
1397	<	XStoreName(x_display, suspend_win, GetString(STR_SUSPEND_WINDOW_TITLE));
966	<	XMapRaised(x_display, suspend_win);
967	<	XSync(x_display, false);
1394	>	InputOutput, vis, CWEventMask | CWBackPixel, &wattr);
1395	>	set_window_name(suspend_win, STR_SUSPEND_WINDOW_TITLE);
1396	>	set_window_focus(suspend_win);
1397	>	XMapWindow(x_display, suspend_win);
1398		emul_suspended = true;
1399		}
1400		}
#	Line 977 | Line 1407 | static void resume_emul(void)
1407
1408		// Reopen full screen display
1409		XMapRaised(x_display, the_win);
1410	+	wait_mapped(the_win);
1411		XWarpPointer(x_display, None, rootwin, 0, 0, 0, 0, 0, 0);
981	–	XSync(x_display, false);
1412		XGrabKeyboard(x_display, rootwin, 1, GrabModeAsync, GrabModeAsync, CurrentTime);
1413		XGrabPointer(x_display, rootwin, 1, PointerMotionMask | ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
1414	<	#if ENABLE_XF86_DGA
1414	>	#ifdef ENABLE_XF86_DGA
1415		XF86DGADirectVideo(x_display, screen, XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse);
1416		XF86DGASetViewPort(x_display, screen, 0, 0);
1417		#endif
1418		XSync(x_display, false);
1419	<
1419	>
1420	>	// the_buffer already contains the data to restore. i.e. since a temporary
1421	>	// frame buffer is used when VOSF is actually used, fb_save is therefore
1422	>	// not necessary.
1423	>	#ifdef ENABLE_VOSF
1424	>	if (use_vosf) {
1425	>	LOCK_VOSF;
1426	>	PFLAG_SET_ALL;
1427	>	UNLOCK_VOSF;
1428	>	memset(the_buffer_copy, 0, VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y);
1429	>	}
1430	>	#endif
1431	>
1432		// Restore frame buffer
1433		if (fb_save) {
1434	<	memcpy(the_buffer, fb_save, VideoMonitor.y * VideoMonitor.bytes_per_row);
1434	>	#ifdef ENABLE_VOSF
1435	>	// Don't copy fb_save to the temporary frame buffer in VOSF mode
1436	>	if (!use_vosf)
1437	>	#endif
1438	>	memcpy(the_buffer, fb_save, VideoMonitor.mode.y * VideoMonitor.mode.bytes_per_row);
1439		free(fb_save);
1440		fb_save = NULL;
1441		}
1442
1443	+	#ifdef ENABLE_XF86_DGA
1444		if (depth == 8)
998	–	#if ENABLE_XF86_DGA
1445		XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
1446		#endif
1447
1448		// Unlock frame buffer (and continue MacOS thread)
1449	<	pthread_mutex_unlock(&frame_buffer_lock);
1449	>	UNLOCK_FRAME_BUFFER;
1450		emul_suspended = false;
1451		}
1452		#endif
#	Line 1063 | Line 1509 | static int kc_decode(KeySym ks)
1509		case XK_period: case XK_greater: return 0x2f;
1510		case XK_slash: case XK_question: return 0x2c;
1511
1512	<	#if ENABLE_XF86_DGA || ENABLE_FBDEV_DGA
1512	>	#if defined(ENABLE_XF86_DGA) || defined(ENABLE_FBDEV_DGA)
1513		case XK_Tab: if (ctrl_down) {suspend_emul(); return -1;} else return 0x30;
1514		#else
1515		case XK_Tab: return 0x30;
#	Line 1155 | Line 1601 | static int kc_decode(KeySym ks)
1601		return -1;
1602		}
1603
1604	<	static int event2keycode(XKeyEvent *ev)
1604	>	static int event2keycode(XKeyEvent &ev)
1605		{
1606		KeySym ks;
1607		int as;
1608		int i = 0;
1609
1610		do {
1611	<	ks = XLookupKeysym(ev, i++);
1611	>	ks = XLookupKeysym(&ev, i++);
1612		as = kc_decode(ks);
1613		if (as != -1)
1614		return as;
#	Line 1178 | Line 1624 | static int event2keycode(XKeyEvent *ev)
1624
1625		static void handle_events(void)
1626		{
1627	<	XEvent event;
1628	<	for (;;) {
1629	<	if (!XCheckMaskEvent(x_display, eventmask, &event))
1184	<	break;
1627	>	while (XPending(x_display)) {
1628	>	XEvent event;
1629	>	XNextEvent(x_display, &event);
1630
1631		switch (event.type) {
1632		// Mouse button
1633		case ButtonPress: {
1634	<	unsigned int button = ((XButtonEvent *)&event)->button;
1634	>	unsigned int button = event.xbutton.button;
1635		if (button < 4)
1636		ADBMouseDown(button - 1);
1637		else if (button < 6) {  // Wheel mouse
#	Line 1205 | Line 1650 | static void handle_events(void)
1650		break;
1651		}
1652		case ButtonRelease: {
1653	<	unsigned int button = ((XButtonEvent *)&event)->button;
1653	>	unsigned int button = event.xbutton.button;
1654		if (button < 4)
1655		ADBMouseUp(button - 1);
1656		break;
#	Line 1213 | Line 1658 | static void handle_events(void)
1658
1659		// Mouse moved
1660		case EnterNotify:
1216	–	ADBMouseMoved(((XMotionEvent *)&event)->x, ((XMotionEvent *)&event)->y);
1217	–	break;
1661		case MotionNotify:
1662	<	ADBMouseMoved(((XMotionEvent *)&event)->x, ((XMotionEvent *)&event)->y);
1662	>	ADBMouseMoved(event.xmotion.x, event.xmotion.y);
1663		break;
1664
1665		// Keyboard
1666		case KeyPress: {
1667		int code;
1668		if (use_keycodes) {
1669	<	event2keycode((XKeyEvent *)&event);     // This is called to process the hotkeys
1670	<	code = keycode_table[((XKeyEvent *)&event)->keycode & 0xff];
1669	>	event2keycode(event.xkey);      // This is called to process the hotkeys
1670	>	code = keycode_table[event.xkey.keycode & 0xff];
1671		} else
1672	<	code = event2keycode((XKeyEvent *)&event);
1672	>	code = event2keycode(event.xkey);
1673		if (code != -1) {
1674		if (!emul_suspended) {
1675		if (code == 0x39) {     // Caps Lock pressed
#	Line 1242 | Line 1685 | static void handle_events(void)
1685		if (code == 0x36)
1686		ctrl_down = true;
1687		} else {
1688	<	#if ENABLE_XF86_DGA || ENABLE_FBDEV_DGA
1688	>	#if defined(ENABLE_XF86_DGA) || defined(ENABLE_FBDEV_DGA)
1689		if (code == 0x31)
1690		resume_emul();  // Space wakes us up
1691		#endif
#	Line 1253 | Line 1696 | static void handle_events(void)
1696		case KeyRelease: {
1697		int code;
1698		if (use_keycodes) {
1699	<	event2keycode((XKeyEvent *)&event);     // This is called to process the hotkeys
1700	<	code = keycode_table[((XKeyEvent *)&event)->keycode & 0xff];
1699	>	event2keycode(event.xkey);      // This is called to process the hotkeys
1700	>	code = keycode_table[event.xkey.keycode & 0xff];
1701		} else
1702	<	code = event2keycode((XKeyEvent *)&event);
1702	>	code = event2keycode(event.xkey);
1703		if (code != -1 && code != 0x39) {       // Don't propagate Caps Lock releases
1704		ADBKeyUp(code);
1705		if (code == 0x36)
#	Line 1268 | Line 1711 | static void handle_events(void)
1711		// Hidden parts exposed, force complete refresh of window
1712		case Expose:
1713		if (display_type == DISPLAY_WINDOW) {
1714	<	int x1, y1;
1715	<	for (y1=0; y1<16; y1++)
1716	<	for (x1=0; x1<16; x1++)
1717	<	updt_box[x1][y1] = true;
1718	<	nr_boxes = 16 * 16;
1714	>	#ifdef ENABLE_VOSF
1715	>	if (use_vosf) {                 // VOSF refresh
1716	>	LOCK_VOSF;
1717	>	PFLAG_SET_ALL;
1718	>	UNLOCK_VOSF;
1719	>	memset(the_buffer_copy, 0, VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y);
1720	>	}
1721	>	else
1722	>	#endif
1723	>	if (frame_skip == 0) {  // Dynamic refresh
1724	>	int x1, y1;
1725	>	for (y1=0; y1<16; y1++)
1726	>	for (x1=0; x1<16; x1++)
1727	>	updt_box[x1][y1] = true;
1728	>	nr_boxes = 16 * 16;
1729	>	} else                                  // Static refresh
1730	>	memset(the_buffer_copy, 0, VideoMonitor.mode.bytes_per_row * VideoMonitor.mode.y);
1731	>	}
1732	>	break;
1733	>
1734	>	// Window "close" widget clicked
1735	>	case ClientMessage:
1736	>	if (event.xclient.format == 32 && event.xclient.data.l[0] == WM_DELETE_WINDOW) {
1737	>	ADBKeyDown(0x7f);       // Power key
1738	>	ADBKeyUp(0x7f);
1739		}
1740		break;
1741		}
#	Line 1284 | Line 1747 | static void handle_events(void)
1747		*  Window display update
1748		*/
1749
1750	<	static void update_display(int ticker)
1750	>	// Dynamic display update (variable frame rate for each box)
1751	>	static void update_display_dynamic(int ticker)
1752		{
1753	<	int y1, y2, y2s, y2a, i, x1, xm, xmo, ymo, yo, yi, yil, xic, xicl, xi;
1753	>	int y1, y2, y2s, y2a, i, x1, xm, xmo, ymo, yo, yi, yil, xi;
1754		int xil = 0;
1755		int rxm = 0, rxmo = 0;
1756	<	int bytes_per_row = VideoMonitor.bytes_per_row;
1757	<	int bytes_per_pixel = VideoMonitor.bytes_per_row / VideoMonitor.x;
1758	<	int rx = VideoMonitor.bytes_per_row / 16;
1759	<	int ry = VideoMonitor.y / 16;
1756	>	int bytes_per_row = VideoMonitor.mode.bytes_per_row;
1757	>	int bytes_per_pixel = VideoMonitor.mode.bytes_per_row / VideoMonitor.mode.x;
1758	>	int rx = VideoMonitor.mode.bytes_per_row / 16;
1759	>	int ry = VideoMonitor.mode.y / 16;
1760		int max_box;
1761
1762		y2s = sm_uptd[ticker % 8];
#	Line 1373 | Line 1837 | static void update_display(int ticker)
1837		}
1838		}
1839
1840	+	// Static display update (fixed frame rate, but incremental)
1841	+	static void update_display_static(void)
1842	+	{
1843	+	// Incremental update code
1844	+	int wide = 0, high = 0, x1, x2, y1, y2, i, j;
1845	+	int bytes_per_row = VideoMonitor.mode.bytes_per_row;
1846	+	int bytes_per_pixel = VideoMonitor.mode.bytes_per_row / VideoMonitor.mode.x;
1847	+	uint8 *p, *p2;
1848	+
1849	+	// Check for first line from top and first line from bottom that have changed
1850	+	y1 = 0;
1851	+	for (j=0; j<VideoMonitor.mode.y; j++) {
1852	+	if (memcmp(&the_buffer[j * bytes_per_row], &the_buffer_copy[j * bytes_per_row], bytes_per_row)) {
1853	+	y1 = j;
1854	+	break;
1855	+	}
1856	+	}
1857	+	y2 = y1 - 1;
1858	+	for (j=VideoMonitor.mode.y-1; j>=y1; j--) {
1859	+	if (memcmp(&the_buffer[j * bytes_per_row], &the_buffer_copy[j * bytes_per_row], bytes_per_row)) {
1860	+	y2 = j;
1861	+	break;
1862	+	}
1863	+	}
1864	+	high = y2 - y1 + 1;
1865	+
1866	+	// Check for first column from left and first column from right that have changed
1867	+	if (high) {
1868	+	if (depth == 1) {
1869	+	x1 = VideoMonitor.mode.x - 1;
1870	+	for (j=y1; j<=y2; j++) {
1871	+	p = &the_buffer[j * bytes_per_row];
1872	+	p2 = &the_buffer_copy[j * bytes_per_row];
1873	+	for (i=0; i<(x1>>3); i++) {
1874	+	if (*p != *p2) {
1875	+	x1 = i << 3;
1876	+	break;
1877	+	}
1878	+	p++; p2++;
1879	+	}
1880	+	}
1881	+	x2 = x1;
1882	+	for (j=y1; j<=y2; j++) {
1883	+	p = &the_buffer[j * bytes_per_row];
1884	+	p2 = &the_buffer_copy[j * bytes_per_row];
1885	+	p += bytes_per_row;
1886	+	p2 += bytes_per_row;
1887	+	for (i=(VideoMonitor.mode.x>>3); i>(x2>>3); i--) {
1888	+	p--; p2--;
1889	+	if (*p != *p2) {
1890	+	x2 = (i << 3) + 7;
1891	+	break;
1892	+	}
1893	+	}
1894	+	}
1895	+	wide = x2 - x1 + 1;
1896	+
1897	+	// Update copy of the_buffer
1898	+	if (high && wide) {
1899	+	for (j=y1; j<=y2; j++) {
1900	+	i = j * bytes_per_row + (x1 >> 3);
1901	+	memcpy(the_buffer_copy + i, the_buffer + i, wide >> 3);
1902	+	}
1903	+	}
1904	+
1905	+	} else {
1906	+	x1 = VideoMonitor.mode.x;
1907	+	for (j=y1; j<=y2; j++) {
1908	+	p = &the_buffer[j * bytes_per_row];
1909	+	p2 = &the_buffer_copy[j * bytes_per_row];
1910	+	for (i=0; i<x1*bytes_per_pixel; i++) {
1911	+	if (*p != *p2) {
1912	+	x1 = i / bytes_per_pixel;
1913	+	break;
1914	+	}
1915	+	p++; p2++;
1916	+	}
1917	+	}
1918	+	x2 = x1;
1919	+	for (j=y1; j<=y2; j++) {
1920	+	p = &the_buffer[j * bytes_per_row];
1921	+	p2 = &the_buffer_copy[j * bytes_per_row];
1922	+	p += bytes_per_row;
1923	+	p2 += bytes_per_row;
1924	+	for (i=VideoMonitor.mode.x*bytes_per_pixel; i>x2*bytes_per_pixel; i--) {
1925	+	p--;
1926	+	p2--;
1927	+	if (*p != *p2) {
1928	+	x2 = i / bytes_per_pixel;
1929	+	break;
1930	+	}
1931	+	}
1932	+	}
1933	+	wide = x2 - x1;
1934	+
1935	+	// Update copy of the_buffer
1936	+	if (high && wide) {
1937	+	for (j=y1; j<=y2; j++) {
1938	+	i = j * bytes_per_row + x1 * bytes_per_pixel;
1939	+	memcpy(the_buffer_copy + i, the_buffer + i, bytes_per_pixel * wide);
1940	+	}
1941	+	}
1942	+	}
1943	+	}
1944	+
1945	+	// Refresh display
1946	+	if (high && wide) {
1947	+	if (have_shm)
1948	+	XShmPutImage(x_display, the_win, the_gc, img, x1, y1, x1, y1, wide, high, 0);
1949	+	else
1950	+	XPutImage(x_display, the_win, the_gc, img, x1, y1, x1, y1, wide, high);
1951	+	}
1952	+	}
1953	+
1954
1955		/*
1956	<	*  Thread for screen refresh, input handling etc.
1956	>	*      Screen refresh functions
1957		*/
1958
1959	<	static void *redraw_func(void *arg)
1960	<	{
1961	<	int tick_counter = 0;
1959	>	// We suggest the compiler to inline the next two functions so that it
1960	>	// may specialise the code according to the current screen depth and
1961	>	// display type. A clever compiler would do that job by itself though...
1962
1963	<	while (!redraw_thread_cancel) {
1963	>	// NOTE: update_display_vosf is inlined too
1964
1965	<	// Wait
1966	<	#ifdef HAVE_NANOSLEEP
1967	<	struct timespec req = {0, 16666667};
1968	<	nanosleep(&req, NULL);
1969	<	#else
1970	<	usleep(16667);
1965	>	static inline void possibly_quit_dga_mode()
1966	>	{
1967	>	#if defined(ENABLE_XF86_DGA) || defined(ENABLE_FBDEV_DGA)
1968	>	// Quit DGA mode if requested
1969	>	if (quit_full_screen) {
1970	>	quit_full_screen = false;
1971	>	#ifdef ENABLE_XF86_DGA
1972	>	XF86DGADirectVideo(x_display, screen, 0);
1973	>	#endif
1974	>	XUngrabPointer(x_display, CurrentTime);
1975	>	XUngrabKeyboard(x_display, CurrentTime);
1976	>	XUnmapWindow(x_display, the_win);
1977	>	XSync(x_display, false);
1978	>	}
1979		#endif
1980	+	}
1981	+
1982	+	static inline void handle_palette_changes(int depth, int display_type)
1983	+	{
1984	+	LOCK_PALETTE;
1985
1986	<	#if ENABLE_XF86_DGA
1987	<	// Quit DGA mode if requested
1988	<	if (quit_full_screen) {
1989	<	quit_full_screen = false;
1986	>	if (palette_changed) {
1987	>	palette_changed = false;
1988	>	if (depth == 8) {
1989	>	XStoreColors(x_display, cmap[0], palette, 256);
1990	>	XStoreColors(x_display, cmap[1], palette, 256);
1991	>	XSync(x_display, false);
1992	>
1993	>	#ifdef ENABLE_XF86_DGA
1994		if (display_type == DISPLAY_DGA) {
1995	<	XF86DGADirectVideo(x_display, screen, 0);
1996	<	XUngrabPointer(x_display, CurrentTime);
1402	<	XUngrabKeyboard(x_display, CurrentTime);
1403	<	XUnmapWindow(x_display, the_win);
1404	<	XSync(x_display, false);
1995	>	current_dga_cmap ^= 1;
1996	>	XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
1997		}
1406	–	}
1998		#endif
1999	+	}
2000	+	}
2001
2002	<	#if ENABLE_FBDEV_DGA
2003	<	// Quit DGA mode if requested
2004	<	if (quit_full_screen) {
2005	<	quit_full_screen = false;
2006	<	if (display_type == DISPLAY_DGA) {
2007	<	XUngrabPointer(x_display, CurrentTime);
2008	<	XUngrabKeyboard(x_display, CurrentTime);
2009	<	XUnmapWindow(x_display, the_win);
2010	<	XSync(x_display, false);
2011	<	}
2002	>	UNLOCK_PALETTE;
2003	>	}
2004	>
2005	>	static void video_refresh_dga(void)
2006	>	{
2007	>	// Quit DGA mode if requested
2008	>	possibly_quit_dga_mode();
2009	>
2010	>	// Handle X events
2011	>	handle_events();
2012	>
2013	>	// Handle palette changes
2014	>	handle_palette_changes(depth, DISPLAY_DGA);
2015	>	}
2016	>
2017	>	#ifdef ENABLE_VOSF
2018	>	#if REAL_ADDRESSING || DIRECT_ADDRESSING
2019	>	static void video_refresh_dga_vosf(void)
2020	>	{
2021	>	// Quit DGA mode if requested
2022	>	possibly_quit_dga_mode();
2023	>
2024	>	// Handle X events
2025	>	handle_events();
2026	>
2027	>	// Handle palette changes
2028	>	handle_palette_changes(depth, DISPLAY_DGA);
2029	>
2030	>	// Update display (VOSF variant)
2031	>	static int tick_counter = 0;
2032	>	if (++tick_counter >= frame_skip) {
2033	>	tick_counter = 0;
2034	>	if (mainBuffer.dirty) {
2035	>	LOCK_VOSF;
2036	>	update_display_dga_vosf();
2037	>	UNLOCK_VOSF;
2038		}
2039	+	}
2040	+	}
2041		#endif
1421	–	// Handle X events
1422	–	handle_events();
2042
2043	<	// Handle palette changes
2044	<	pthread_mutex_lock(&palette_lock);
2045	<	if (palette_changed) {
2046	<	palette_changed = false;
2047	<	if (depth == 8) {
2048	<	XStoreColors(x_display, cmap[0], palette, 256);
2049	<	XStoreColors(x_display, cmap[1], palette, 256);
2050	<
2051	<	#if ENABLE_XF86_DGA
2052	<	if (display_type == DISPLAY_DGA) {
2053	<	current_dga_cmap ^= 1;
2054	<	XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
2055	<	}
2056	<	#endif
2057	<	}
2043	>	static void video_refresh_window_vosf(void)
2044	>	{
2045	>	// Quit DGA mode if requested
2046	>	possibly_quit_dga_mode();
2047	>
2048	>	// Handle X events
2049	>	handle_events();
2050	>
2051	>	// Handle palette changes
2052	>	handle_palette_changes(depth, DISPLAY_WINDOW);
2053	>
2054	>	// Update display (VOSF variant)
2055	>	static int tick_counter = 0;
2056	>	if (++tick_counter >= frame_skip) {
2057	>	tick_counter = 0;
2058	>	if (mainBuffer.dirty) {
2059	>	LOCK_VOSF;
2060	>	update_display_window_vosf();
2061	>	UNLOCK_VOSF;
2062	>	XSync(x_display, false); // Let the server catch up
2063		}
2064	<	pthread_mutex_unlock(&palette_lock);
2064	>	}
2065	>	}
2066	>	#endif // def ENABLE_VOSF
2067
2068	<	// In window mode, update display
2069	<	if (display_type == DISPLAY_WINDOW) {
2070	<	tick_counter++;
2071	<	update_display(tick_counter);
2072	<	}
2068	>	static void video_refresh_window_static(void)
2069	>	{
2070	>	// Handle X events
2071	>	handle_events();
2072	>
2073	>	// Handle_palette changes
2074	>	handle_palette_changes(depth, DISPLAY_WINDOW);
2075	>
2076	>	// Update display (static variant)
2077	>	static int tick_counter = 0;
2078	>	if (++tick_counter >= frame_skip) {
2079	>	tick_counter = 0;
2080	>	update_display_static();
2081		}
2082	+	}
2083	+
2084	+	static void video_refresh_window_dynamic(void)
2085	+	{
2086	+	// Handle X events
2087	+	handle_events();
2088	+
2089	+	// Handle_palette changes
2090	+	handle_palette_changes(depth, DISPLAY_WINDOW);
2091	+
2092	+	// Update display (dynamic variant)
2093	+	static int tick_counter = 0;
2094	+	tick_counter++;
2095	+	update_display_dynamic(tick_counter);
2096	+	}
2097	+
2098	+
2099	+	/*
2100	+	*  Thread for screen refresh, input handling etc.
2101	+	*/
2102	+
2103	+	void VideoRefreshInit(void)
2104	+	{
2105	+	// TODO: set up specialised 8bpp VideoRefresh handlers ?
2106	+	if (display_type == DISPLAY_DGA) {
2107	+	#if ENABLE_VOSF && (REAL_ADDRESSING || DIRECT_ADDRESSING)
2108	+	if (use_vosf)
2109	+	video_refresh = video_refresh_dga_vosf;
2110	+	else
2111	+	#endif
2112	+	video_refresh = video_refresh_dga;
2113	+	}
2114	+	else {
2115	+	#ifdef ENABLE_VOSF
2116	+	if (use_vosf)
2117	+	video_refresh = video_refresh_window_vosf;
2118	+	else
2119	+	#endif
2120	+	if (frame_skip == 0)
2121	+	video_refresh = video_refresh_window_dynamic;
2122	+	else
2123	+	video_refresh = video_refresh_window_static;
2124	+	}
2125	+	}
2126	+
2127	+	void VideoRefresh(void)
2128	+	{
2129	+	// TODO: make main_unix/VideoRefresh call directly video_refresh() ?
2130	+	video_refresh();
2131	+	}
2132	+
2133	+	#ifdef HAVE_PTHREADS
2134	+	static void *redraw_func(void *arg)
2135	+	{
2136	+	uint64 start = GetTicks_usec();
2137	+	int64 ticks = 0;
2138	+	uint64 next = GetTicks_usec();
2139	+	while (!redraw_thread_cancel) {
2140	+	video_refresh();
2141	+	next += 16667;
2142	+	int64 delay = next - GetTicks_usec();
2143	+	if (delay > 0)
2144	+	Delay_usec(delay);
2145	+	else if (delay < -16667)
2146	+	next = GetTicks_usec();
2147	+	ticks++;
2148	+	}
2149	+	uint64 end = GetTicks_usec();
2150	+	// printf("%Ld ticks in %Ld usec = %Ld ticks/sec\n", ticks, end - start, ticks * 1000000 / (end - start));
2151		return NULL;
2152		}
2153	+	#endif

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