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

Comparing BasiliskII/src/Unix/video_x.cpp (file contents):
Revision 1.28 by cebix, 2000-11-03T12:23:49Z vs.
Revision 1.37 by cebix, 2001-03-06T18:41:12Z

#	Line 1 | Line 1
1		/*
2		*  video_x.cpp - Video/graphics emulation, X11 specific stuff
3		*
4	<	*  Basilisk II (C) 1997-2000 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 122 | 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 | FocusChangeMask | 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
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
#	Line 149 | Line 155 | static Window suspend_win;                                                     // "Sus
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
#	Line 168 | Line 179 | static const bool use_vosf = false;
179		#endif
180
181		#ifdef ENABLE_VOSF
182	<	static uint8 * the_host_buffer;                                         // Host frame buffer in VOSF mode
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
173	–	#endif
185
175	–	#ifdef ENABLE_VOSF
176	–	// Variables for Video on SEGV support (taken from the Win32 port)
186		struct ScreenPageInfo {
187		int top, bottom;                    // Mapping between this virtual page and Mac scanlines
188		};
#	Line 188 | Line 197 | struct ScreenInfo {
197		int pageBits;                               // Shift count to get the page number
198		uint32 pageCount;                   // Number of pages allocated to the screen
199
200	<	uint8 * dirtyPages;                 // Table of flags set if page was altered
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(page)                 mainBuffer.dirtyPages[page] = 1
208	<	#define PFLAG_CLEAR(page)               mainBuffer.dirtyPages[page] = 0
209	<	#define PFLAG_ISSET(page)               mainBuffer.dirtyPages[page]
210	<	#define PFLAG_ISCLEAR(page)             (mainBuffer.dirtyPages[page] == 0)
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_ISCLEAR_4(page)  (*((uint32 *)(mainBuffer.dirtyPages + page)) == 0)
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	<	# define PFLAG_ISCLEAR_4(page)  \
273	<	(mainBuffer.dirtyPages[page  ] == 0) \
274	<	&&      (mainBuffer.dirtyPages[page+1] == 0) \
275	<	&&      (mainBuffer.dirtyPages[page+2] == 0) \
276	<	&&      (mainBuffer.dirtyPages[page+3] == 0)
272	>	while (PFLAG_ISSET_4(page))
273	>	page += 4;
274	>	while (PFLAG_ISSET(page))
275	>	page++;
276	>	return page;
277		#endif
278	<	#define PFLAG_CLEAR_ALL                 memset(mainBuffer.dirtyPages, 0, mainBuffer.pageCount)
211	<	#define PFLAG_SET_ALL                   memset(mainBuffer.dirtyPages, 1, mainBuffer.pageCount)
278	>	}
279
280		static int zero_fd = -1;
281		static bool Screen_fault_handler_init();
282		static struct sigaction vosf_sa;
283
284		#ifdef HAVE_PTHREADS
285	<	static pthread_mutex_t Screen_draw_lock = PTHREAD_MUTEX_INITIALIZER;    // Mutex to protect frame buffer (dirtyPages in fact)
285	>	static pthread_mutex_t vosf_lock = PTHREAD_MUTEX_INITIALIZER;   // Mutex to protect frame buffer (dirtyPages in fact)
286	>	#define LOCK_VOSF pthread_mutex_lock(&vosf_lock);
287	>	#define UNLOCK_VOSF pthread_mutex_unlock(&vosf_lock);
288	>	#else
289	>	#define LOCK_VOSF
290	>	#define UNLOCK_VOSF
291		#endif
292
293		static int log_base_2(uint32 x)
#	Line 228 | Line 300 | static int log_base_2(uint32 x)
300		}
301		return l;
302		}
303	<
232	<	#endif
303	>	#endif /* ENABLE_VOSF */
304
305		// VideoRefresh function
306		void VideoRefreshInit(void);
#	Line 237 | Line 308 | static void (*video_refresh)(void);
308
309		// Prototypes
310		static void *redraw_func(void *arg);
311	<	static int event2keycode(XKeyEvent *ev);
311	>	static int event2keycode(XKeyEvent &ev);
312
313
314		// From main_unix.cpp
#	Line 307 | Line 378 | void set_video_monitor(int width, int he
378		VideoMonitor.bytes_per_row = bytes_per_row;
379		}
380
381	+	// Set window name and class
382	+	static void set_window_name(Window w, int name)
383	+	{
384	+	const char *str = GetString(name);
385	+	XStoreName(x_display, w, str);
386	+	XSetIconName(x_display, w, str);
387	+
388	+	XClassHint *hints;
389	+	hints = XAllocClassHint();
390	+	if (hints) {
391	+	hints->res_name = "BasiliskII";
392	+	hints->res_class = "BasiliskII";
393	+	XSetClassHint(x_display, w, hints);
394	+	XFree(hints);
395	+	}
396	+	}
397	+
398	+	// Set window input focus flag
399	+	static void set_window_focus(Window w)
400	+	{
401	+	XWMHints *hints = XAllocWMHints();
402	+	if (hints) {
403	+	hints->input = True;
404	+	hints->initial_state = NormalState;
405	+	hints->flags = InputHint | StateHint;
406	+	XSetWMHints(x_display, w, hints);
407	+	XFree(hints);
408	+	}
409	+	}
410	+
411	+	// Set WM_DELETE_WINDOW protocol on window (preventing it from being destroyed by the WM when clicking on the "close" widget)
412	+	static void set_window_delete_protocol(Window w)
413	+	{
414	+	WM_DELETE_WINDOW = XInternAtom(x_display, "WM_DELETE_WINDOW", false);
415	+	XSetWMProtocols(x_display, w, &WM_DELETE_WINDOW, 1);
416	+	}
417	+
418	+	// Wait until window is mapped/unmapped
419	+	void wait_mapped(Window w)
420	+	{
421	+	XEvent e;
422	+	do {
423	+	XMaskEvent(x_display, StructureNotifyMask, &e);
424	+	} while ((e.type != MapNotify) || (e.xmap.event != w));
425	+	}
426	+
427	+	void wait_unmapped(Window w)
428	+	{
429	+	XEvent e;
430	+	do {
431	+	XMaskEvent(x_display, StructureNotifyMask, &e);
432	+	} while ((e.type != UnmapNotify) || (e.xmap.event != w));
433	+	}
434	+
435		// Trap SHM errors
436		static bool shm_error = false;
437		static int (*old_error_handler)(Display *, XErrorEvent *);
#	Line 336 | Line 461 | static bool init_window(int width, int h
461		XSetWindowAttributes wattr;
462		wattr.event_mask = eventmask = win_eventmask;
463		wattr.background_pixel = black_pixel;
464	+	wattr.colormap = cmap[0];
465
340	–	XSync(x_display, false);
466		the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth,
467	<	InputOutput, vis, CWEventMask | CWBackPixel, &wattr);
467	>	InputOutput, vis, CWEventMask | CWBackPixel | (depth == 8 ? CWColormap : 0), &wattr);
468	>
469	>	// Set window name/class
470	>	set_window_name(the_win, STR_WINDOW_TITLE);
471
472		// Indicate that we want keyboard input
473	<	{
474	<	XWMHints *hints = XAllocWMHints();
475	<	if (hints) {
476	<	hints->input = True;
349	<	hints->flags = InputHint;
350	<	XSetWMHints(x_display, the_win, hints);
351	<	XFree((char *)hints);
352	<	}
353	<	}
473	>	set_window_focus(the_win);
474	>
475	>	// Set delete protocol property
476	>	set_window_delete_protocol(the_win);
477
478		// Make window unresizable
479		{
#	Line 362 | Line 485 | static bool init_window(int width, int h
485		hints->max_height = height;
486		hints->flags = PMinSize | PMaxSize;
487		XSetWMNormalHints(x_display, the_win, hints);
488	<	XFree((char *)hints);
488	>	XFree(hints);
489		}
490		}
491
369	–	// Set window title
370	–	XStoreName(x_display, the_win, GetString(STR_WINDOW_TITLE));
371	–
372	–	// Set window class
373	–	{
374	–	XClassHint *hints;
375	–	hints = XAllocClassHint();
376	–	if (hints) {
377	–	hints->res_name = "BasiliskII";
378	–	hints->res_class = "BasiliskII";
379	–	XSetClassHint(x_display, the_win, hints);
380	–	XFree((char *)hints);
381	–	}
382	–	}
383	–
492		// Show window
493	<	XSync(x_display, false);
494	<	XMapRaised(x_display, the_win);
387	<	XFlush(x_display);
388	<
389	<	// Set colormap
390	<	if (depth == 8)
391	<	XSetWindowColormap(x_display, the_win, cmap[0]);
493	>	XMapWindow(x_display, the_win);
494	>	wait_mapped(the_win);
495
496		// Try to create and attach SHM image
497		have_shm = false;
#	Line 472 | Line 575 | static bool init_window(int width, int h
575		// Set VideoMonitor
576		bool native_byte_order;
577		#ifdef WORDS_BIGENDIAN
578	<	native_byte_order = (img->bitmap_bit_order == MSBFirst);
578	>	native_byte_order = (XImageByteOrder(x_display) == MSBFirst);
579		#else
580	<	native_byte_order = (img->bitmap_bit_order == LSBFirst);
580	>	native_byte_order = (XImageByteOrder(x_display) == LSBFirst);
581		#endif
582		#ifdef ENABLE_VOSF
583	<	do_update_framebuffer = GET_FBCOPY_FUNC(depth, native_byte_order, DISPLAY_WINDOW);
583	>	Screen_blitter_init(&visualInfo, native_byte_order);
584		#endif
585		set_video_monitor(width, height, img->bytes_per_line, native_byte_order);
586
#	Line 561 | Line 664 | static bool init_fbdev_dga(char *in_fb_n
664
665		// Create window
666		XSetWindowAttributes wattr;
667	<	wattr.event_mask                = eventmask = dga_eventmask;
668	<	wattr.background_pixel  = white_pixel;
669	<	wattr.override_redirect = True;
667	>	wattr.event_mask = eventmask = dga_eventmask;
668	>	wattr.background_pixel = white_pixel;
669	>	wattr.override_redirect = True;
670	>	wattr.colormap = cmap[0];
671
568	–	XSync(x_display, false);
672		the_win = XCreateWindow(x_display, rootwin,
673		0, 0, width, height,
674		0, xdepth, InputOutput, vis,
675	<	CWEventMask | CWBackPixel | CWOverrideRedirect,
675	>	CWEventMask | CWBackPixel | CWOverrideRedirect | (depth == 8 ? CWColormap : 0),
676		&wattr);
677	<	XSync(x_display, false);
677	>
678	>	// Set window name/class
679	>	set_window_name(the_win, STR_WINDOW_TITLE);
680	>
681	>	// Indicate that we want keyboard input
682	>	set_window_focus(the_win);
683	>
684	>	// Show window
685		XMapRaised(x_display, the_win);
686	<	XSync(x_display, false);
686	>	wait_mapped(the_win);
687
688		// Grab mouse and keyboard
689		XGrabKeyboard(x_display, the_win, True,
#	Line 582 | Line 692 | static bool init_fbdev_dga(char *in_fb_n
692		PointerMotionMask | ButtonPressMask | ButtonReleaseMask,
693		GrabModeAsync, GrabModeAsync, the_win, None, CurrentTime);
694
585	–	// Set colormap
586	–	if (depth == 8)
587	–	XSetWindowColormap(x_display, the_win, cmap[0]);
588	–
695		// Set VideoMonitor
696		int bytes_per_row = width;
697		switch (depth) {
#	Line 613 | Line 719 | static bool init_fbdev_dga(char *in_fb_n
719
720		#if ENABLE_VOSF
721		#if REAL_ADDRESSING || DIRECT_ADDRESSING
722	<	// If the blit function is null, i.e. just a copy of the buffer,
723	<	// we first try to avoid the allocation of a temporary frame buffer
724	<	use_vosf = true;
619	<	do_update_framebuffer = GET_FBCOPY_FUNC(depth, true, DISPLAY_DGA);
620	<	if (do_update_framebuffer == FBCOPY_FUNC(fbcopy_raw))
621	<	use_vosf = false;
722	>	// Screen_blitter_init() returns TRUE if VOSF is mandatory
723	>	// i.e. the framebuffer update function is not Blit_Copy_Raw
724	>	use_vosf = Screen_blitter_init(&visualInfo, true);
725
726		if (use_vosf) {
727		the_host_buffer = the_buffer;
#	Line 665 | Line 768 | static bool init_xf86_dga(int width, int
768		}
769		XF86VidModeSwitchToMode(x_display, screen, x_video_modes[best]);
770		XF86VidModeSetViewPort(x_display, screen, 0, 0);
771	+	XSync(x_display, false);
772		}
773		#endif
774
#	Line 673 | Line 777 | static bool init_xf86_dga(int width, int
777		wattr.event_mask = eventmask = dga_eventmask;
778		wattr.override_redirect = True;
779
676	–	XSync(x_display, false);
780		the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth,
781		InputOutput, vis, CWEventMask | CWOverrideRedirect, &wattr);
782	<	XSync(x_display, false);
783	<	XStoreName(x_display, the_win, GetString(STR_WINDOW_TITLE));
782	>
783	>	// Set window name/class
784	>	set_window_name(the_win, STR_WINDOW_TITLE);
785	>
786	>	// Indicate that we want keyboard input
787	>	set_window_focus(the_win);
788	>
789	>	// Show window
790		XMapRaised(x_display, the_win);
791	<	XSync(x_display, false);
791	>	wait_mapped(the_win);
792
793		// Establish direct screen connection
794		XMoveResizeWindow(x_display, the_win, 0, 0, width, height);
#	Line 698 | Line 807 | static bool init_xf86_dga(int width, int
807		XSetWindowColormap(x_display, the_win, cmap[current_dga_cmap = 0]);
808		XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
809		}
810	+	XSync(x_display, false);
811
812		// Set VideoMonitor
813		int bytes_per_row = (v_width + 7) & ~7;
#	Line 716 | Line 826 | static bool init_xf86_dga(int width, int
826		}
827
828		#if REAL_ADDRESSING || DIRECT_ADDRESSING
829	<	// If the blit function is null, i.e. just a copy of the buffer,
830	<	// we first try to avoid the allocation of a temporary frame buffer
831	<	use_vosf = true;
722	<	do_update_framebuffer = GET_FBCOPY_FUNC(depth, true, DISPLAY_DGA);
723	<	if (do_update_framebuffer == FBCOPY_FUNC(fbcopy_raw))
724	<	use_vosf = false;
829	>	// Screen_blitter_init() returns TRUE if VOSF is mandatory
830	>	// i.e. the framebuffer update function is not Blit_Copy_Raw
831	>	use_vosf = Screen_blitter_init(&visualInfo, true);
832
833		if (use_vosf) {
834		the_host_buffer = the_buffer;
#	Line 835 | Line 942 | bool VideoInitBuffer()
942		if (mainBuffer.dirtyPages != 0)
943		free(mainBuffer.dirtyPages);
944
945	<	mainBuffer.dirtyPages = (uint8 *) malloc(mainBuffer.pageCount);
945	>	mainBuffer.dirtyPages = (char *) malloc(mainBuffer.pageCount + 2);
946
947		if (mainBuffer.pageInfo != 0)
948		free(mainBuffer.pageInfo);
#	Line 844 | Line 951 | bool VideoInitBuffer()
951
952		if ((mainBuffer.dirtyPages == 0) || (mainBuffer.pageInfo == 0))
953		return false;
954	+
955	+	mainBuffer.dirty = false;
956
957		PFLAG_CLEAR_ALL;
958	+	// Safety net to insure the loops in the update routines will terminate
959	+	// See a discussion in <video_vosf.h> for further details
960	+	PFLAG_CLEAR(mainBuffer.pageCount);
961	+	PFLAG_SET(mainBuffer.pageCount+1);
962
963		uint32 a = 0;
964		for (int i = 0; i < mainBuffer.pageCount; i++) {
#	Line 898 | Line 1011 | bool VideoInit(bool classic)
1011		keycode_init();
1012
1013		// Read prefs
1014	<	mouse_wheel_mode = PrefsFindInt16("mousewheelmode");
1015	<	mouse_wheel_lines = PrefsFindInt16("mousewheellines");
1014	>	mouse_wheel_mode = PrefsFindInt32("mousewheelmode");
1015	>	mouse_wheel_lines = PrefsFindInt32("mousewheellines");
1016
1017		// Find screen and root window
1018		screen = XDefaultScreen(x_display);
#	Line 1036 | Line 1149 | bool VideoInit(bool classic)
1149		break;
1150		}
1151
1039	–	#ifdef HAVE_PTHREADS
1152		// Lock down frame buffer
1153	<	pthread_mutex_lock(&frame_buffer_lock);
1042	<	#endif
1153	>	LOCK_FRAME_BUFFER;
1154
1155		#if !REAL_ADDRESSING && !DIRECT_ADDRESSING
1156		// Set variables for UAE memory mapping
#	Line 1104 | Line 1215 | void VideoExit(void)
1215		}
1216		#endif
1217
1107	–	#ifdef HAVE_PTHREADS
1218		// Unlock frame buffer
1219	<	pthread_mutex_unlock(&frame_buffer_lock);
1110	<	#endif
1219	>	UNLOCK_FRAME_BUFFER;
1220
1221		// Close window and server connection
1222		if (x_display != NULL) {
#	Line 1210 | Line 1319 | void VideoInterrupt(void)
1319		if (emerg_quit)
1320		QuitEmulator();
1321
1213	–	#ifdef HAVE_PTHREADS
1322		// Temporarily give up frame buffer lock (this is the point where
1323		// we are suspended when the user presses Ctrl-Tab)
1324	<	pthread_mutex_unlock(&frame_buffer_lock);
1325	<	pthread_mutex_lock(&frame_buffer_lock);
1218	<	#endif
1324	>	UNLOCK_FRAME_BUFFER;
1325	>	LOCK_FRAME_BUFFER;
1326		}
1327
1328
#	Line 1225 | Line 1332 | void VideoInterrupt(void)
1332
1333		void video_set_palette(uint8 *pal)
1334		{
1335	<	#ifdef HAVE_PTHREADS
1229	<	pthread_mutex_lock(&palette_lock);
1230	<	#endif
1335	>	LOCK_PALETTE;
1336
1337		// Convert colors to XColor array
1338		for (int i=0; i<256; i++) {
#	Line 1241 | Line 1346 | void video_set_palette(uint8 *pal)
1346		// Tell redraw thread to change palette
1347		palette_changed = true;
1348
1349	<	#ifdef HAVE_PTHREADS
1245	<	pthread_mutex_unlock(&palette_lock);
1246	<	#endif
1349	>	UNLOCK_PALETTE;
1350		}
1351
1352
#	Line 1259 | Line 1362 | static void suspend_emul(void)
1362		ADBKeyUp(0x36);
1363		ctrl_down = false;
1364
1262	–	#ifdef HAVE_PTHREADS
1365		// Lock frame buffer (this will stop the MacOS thread)
1366	<	pthread_mutex_lock(&frame_buffer_lock);
1265	<	#endif
1366	>	LOCK_FRAME_BUFFER;
1367
1368		// Save frame buffer
1369		fb_save = malloc(VideoMonitor.y * VideoMonitor.bytes_per_row);
#	Line 1276 | Line 1377 | static void suspend_emul(void)
1377		XUngrabPointer(x_display, CurrentTime);
1378		XUngrabKeyboard(x_display, CurrentTime);
1379		XUnmapWindow(x_display, the_win);
1380	<	XSync(x_display, false);
1380	>	wait_unmapped(the_win);
1381
1382		// Open "suspend" window
1383		XSetWindowAttributes wattr;
1384		wattr.event_mask = KeyPressMask;
1385		wattr.background_pixel = black_pixel;
1285	–	wattr.backing_store = WhenMapped;
1286	–	wattr.backing_planes = xdepth;
1287	–	wattr.colormap = DefaultColormap(x_display, screen);
1386
1289	–	XSync(x_display, false);
1387		suspend_win = XCreateWindow(x_display, rootwin, 0, 0, 512, 1, 0, xdepth,
1388	<	InputOutput, vis, CWEventMask | CWBackPixel | CWBackingStore |
1389	<	CWBackingPlanes | (xdepth == 8 ? CWColormap : 0), &wattr);
1390	<	XSync(x_display, false);
1391	<	XStoreName(x_display, suspend_win, GetString(STR_SUSPEND_WINDOW_TITLE));
1295	<	XMapRaised(x_display, suspend_win);
1296	<	XSync(x_display, false);
1388	>	InputOutput, vis, CWEventMask | CWBackPixel, &wattr);
1389	>	set_window_name(suspend_win, STR_SUSPEND_WINDOW_TITLE);
1390	>	set_window_focus(suspend_win);
1391	>	XMapWindow(x_display, suspend_win);
1392		emul_suspended = true;
1393		}
1394		}
#	Line 1306 | Line 1401 | static void resume_emul(void)
1401
1402		// Reopen full screen display
1403		XMapRaised(x_display, the_win);
1404	+	wait_mapped(the_win);
1405		XWarpPointer(x_display, None, rootwin, 0, 0, 0, 0, 0, 0);
1310	–	XSync(x_display, false);
1406		XGrabKeyboard(x_display, rootwin, 1, GrabModeAsync, GrabModeAsync, CurrentTime);
1407		XGrabPointer(x_display, rootwin, 1, PointerMotionMask | ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
1408		#ifdef ENABLE_XF86_DGA
#	Line 1321 | Line 1416 | static void resume_emul(void)
1416		// not necessary.
1417		#ifdef ENABLE_VOSF
1418		if (use_vosf) {
1419	<	#ifdef HAVE_PTHREADS
1325	<	pthread_mutex_lock(&Screen_draw_lock);
1326	<	#endif
1419	>	LOCK_VOSF;
1420		PFLAG_SET_ALL;
1421	<	#ifdef HAVE_PTHREADS
1329	<	pthread_mutex_unlock(&Screen_draw_lock);
1330	<	#endif
1421	>	UNLOCK_VOSF;
1422		memset(the_buffer_copy, 0, VideoMonitor.bytes_per_row * VideoMonitor.y);
1423		}
1424		#endif
#	Line 1348 | Line 1439 | static void resume_emul(void)
1439		XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
1440		#endif
1441
1351	–	#ifdef HAVE_PTHREADS
1442		// Unlock frame buffer (and continue MacOS thread)
1443	<	pthread_mutex_unlock(&frame_buffer_lock);
1443	>	UNLOCK_FRAME_BUFFER;
1444		emul_suspended = false;
1355	–	#endif
1445		}
1446		#endif
1447
#	Line 1506 | Line 1595 | static int kc_decode(KeySym ks)
1595		return -1;
1596		}
1597
1598	<	static int event2keycode(XKeyEvent *ev)
1598	>	static int event2keycode(XKeyEvent &ev)
1599		{
1600		KeySym ks;
1601		int as;
1602		int i = 0;
1603
1604		do {
1605	<	ks = XLookupKeysym(ev, i++);
1605	>	ks = XLookupKeysym(&ev, i++);
1606		as = kc_decode(ks);
1607		if (as != -1)
1608		return as;
#	Line 1529 | Line 1618 | static int event2keycode(XKeyEvent *ev)
1618
1619		static void handle_events(void)
1620		{
1621	<	XEvent event;
1622	<	for (;;) {
1623	<	if (!XCheckMaskEvent(x_display, eventmask, &event))
1535	<	break;
1621	>	while (XPending(x_display)) {
1622	>	XEvent event;
1623	>	XNextEvent(x_display, &event);
1624
1625		switch (event.type) {
1626		// Mouse button
1627		case ButtonPress: {
1628	<	unsigned int button = ((XButtonEvent *)&event)->button;
1628	>	unsigned int button = event.xbutton.button;
1629		if (button < 4)
1630		ADBMouseDown(button - 1);
1631		else if (button < 6) {  // Wheel mouse
#	Line 1556 | Line 1644 | static void handle_events(void)
1644		break;
1645		}
1646		case ButtonRelease: {
1647	<	unsigned int button = ((XButtonEvent *)&event)->button;
1647	>	unsigned int button = event.xbutton.button;
1648		if (button < 4)
1649		ADBMouseUp(button - 1);
1650		break;
#	Line 1564 | Line 1652 | static void handle_events(void)
1652
1653		// Mouse moved
1654		case EnterNotify:
1567	–	ADBMouseMoved(((XMotionEvent *)&event)->x, ((XMotionEvent *)&event)->y);
1568	–	break;
1655		case MotionNotify:
1656	<	ADBMouseMoved(((XMotionEvent *)&event)->x, ((XMotionEvent *)&event)->y);
1656	>	ADBMouseMoved(event.xmotion.x, event.xmotion.y);
1657		break;
1658
1659		// Keyboard
1660		case KeyPress: {
1661		int code;
1662		if (use_keycodes) {
1663	<	event2keycode((XKeyEvent *)&event);     // This is called to process the hotkeys
1664	<	code = keycode_table[((XKeyEvent *)&event)->keycode & 0xff];
1663	>	event2keycode(event.xkey);      // This is called to process the hotkeys
1664	>	code = keycode_table[event.xkey.keycode & 0xff];
1665		} else
1666	<	code = event2keycode((XKeyEvent *)&event);
1666	>	code = event2keycode(event.xkey);
1667		if (code != -1) {
1668		if (!emul_suspended) {
1669		if (code == 0x39) {     // Caps Lock pressed
#	Line 1604 | Line 1690 | static void handle_events(void)
1690		case KeyRelease: {
1691		int code;
1692		if (use_keycodes) {
1693	<	event2keycode((XKeyEvent *)&event);     // This is called to process the hotkeys
1694	<	code = keycode_table[((XKeyEvent *)&event)->keycode & 0xff];
1693	>	event2keycode(event.xkey);      // This is called to process the hotkeys
1694	>	code = keycode_table[event.xkey.keycode & 0xff];
1695		} else
1696	<	code = event2keycode((XKeyEvent *)&event);
1696	>	code = event2keycode(event.xkey);
1697		if (code != -1 && code != 0x39) {       // Don't propagate Caps Lock releases
1698		ADBKeyUp(code);
1699		if (code == 0x36)
#	Line 1621 | Line 1707 | static void handle_events(void)
1707		if (display_type == DISPLAY_WINDOW) {
1708		#ifdef ENABLE_VOSF
1709		if (use_vosf) {                 // VOSF refresh
1710	<	#ifdef HAVE_PTHREADS
1625	<	pthread_mutex_lock(&Screen_draw_lock);
1626	<	#endif
1710	>	LOCK_VOSF;
1711		PFLAG_SET_ALL;
1712	<	#ifdef HAVE_PTHREADS
1629	<	pthread_mutex_unlock(&Screen_draw_lock);
1630	<	#endif
1712	>	UNLOCK_VOSF;
1713		memset(the_buffer_copy, 0, VideoMonitor.bytes_per_row * VideoMonitor.y);
1714		}
1715		else
#	Line 1643 | Line 1725 | static void handle_events(void)
1725		}
1726		break;
1727
1728	<	case FocusIn:
1729	<	case FocusOut:
1728	>	// Window "close" widget clicked
1729	>	case ClientMessage:
1730	>	if (event.xclient.format == 32 && event.xclient.data.l[0] == WM_DELETE_WINDOW) {
1731	>	ADBKeyDown(0x7f);       // Power key
1732	>	ADBKeyUp(0x7f);
1733	>	}
1734		break;
1735		}
1736		}
#	Line 1864 | Line 1950 | static void update_display_static(void)
1950		*      Screen refresh functions
1951		*/
1952
1953	<	// The specialisations hereunder are meant to enable VOSF with DGA in direct
1954	<	// addressing mode in case the address spaces (RAM, ROM, FrameBuffer) could
1955	<	// not get mapped correctly with respect to the predetermined host frame
1956	<	// buffer base address.
1957	<	//
1872	<	// Hmm, in other words, when in direct addressing mode and DGA is requested,
1873	<	// we first try to "triple allocate" the address spaces according to the real
1874	<	// host frame buffer address. Then, if it fails, we will use a temporary
1875	<	// frame buffer thus making the real host frame buffer updated when pages
1876	<	// of the temp frame buffer are altered.
1877	<	//
1878	<	// As a side effect, a little speed gain in screen updates could be noticed
1879	<	// for other modes than DGA.
1880	<	//
1881	<	// The following two functions below are inline so that a clever compiler
1882	<	// could specialise the code according to the current screen depth and
1883	<	// display type. A more clever compiler would the job by itself though...
1884	<	// (update_display_vosf is inlined as well)
1953	>	// We suggest the compiler to inline the next two functions so that it
1954	>	// may specialise the code according to the current screen depth and
1955	>	// display type. A clever compiler would do that job by itself though...
1956	>
1957	>	// NOTE: update_display_vosf is inlined too
1958
1959		static inline void possibly_quit_dga_mode()
1960		{
#	Line 1902 | Line 1975 | static inline void possibly_quit_dga_mod
1975
1976		static inline void handle_palette_changes(int depth, int display_type)
1977		{
1978	<	#ifdef HAVE_PTHREADS
1979	<	pthread_mutex_lock(&palette_lock);
1907	<	#endif
1978	>	LOCK_PALETTE;
1979	>
1980		if (palette_changed) {
1981		palette_changed = false;
1982		if (depth == 8) {
1983		XStoreColors(x_display, cmap[0], palette, 256);
1984		XStoreColors(x_display, cmap[1], palette, 256);
1985	+	XSync(x_display, false);
1986
1987		#ifdef ENABLE_XF86_DGA
1988		if (display_type == DISPLAY_DGA) {
#	Line 1919 | Line 1992 | static inline void handle_palette_change
1992		#endif
1993		}
1994		}
1995	<	#ifdef HAVE_PTHREADS
1996	<	pthread_mutex_unlock(&palette_lock);
1924	<	#endif
1995	>
1996	>	UNLOCK_PALETTE;
1997		}
1998
1999		static void video_refresh_dga(void)
#	Line 1953 | Line 2025 | static void video_refresh_dga_vosf(void)
2025		static int tick_counter = 0;
2026		if (++tick_counter >= frame_skip) {
2027		tick_counter = 0;
2028	<	#ifdef HAVE_PTHREADS
2029	<	pthread_mutex_lock(&Screen_draw_lock);
2030	<	#endif
2031	<	update_display_dga_vosf();
2032	<	#ifdef HAVE_PTHREADS
1961	<	pthread_mutex_unlock(&Screen_draw_lock);
1962	<	#endif
2028	>	if (mainBuffer.dirty) {
2029	>	LOCK_VOSF;
2030	>	update_display_dga_vosf();
2031	>	UNLOCK_VOSF;
2032	>	}
2033		}
2034		}
2035		#endif
#	Line 1979 | Line 2049 | static void video_refresh_window_vosf(vo
2049		static int tick_counter = 0;
2050		if (++tick_counter >= frame_skip) {
2051		tick_counter = 0;
2052	<	#ifdef HAVE_PTHREADS
2053	<	pthread_mutex_lock(&Screen_draw_lock);
2054	<	#endif
2055	<	update_display_window_vosf();
2056	<	#ifdef HAVE_PTHREADS
2057	<	pthread_mutex_unlock(&Screen_draw_lock);
1988	<	#endif
2052	>	if (mainBuffer.dirty) {
2053	>	LOCK_VOSF;
2054	>	update_display_window_vosf();
2055	>	UNLOCK_VOSF;
2056	>	XSync(x_display, false); // Let the server catch up
2057	>	}
2058		}
2059		}
2060		#endif // def ENABLE_VOSF
#	Line 2055 | Line 2124 | void VideoRefresh(void)
2124		video_refresh();
2125		}
2126
2058	–	#if 0
2059	–	void VideoRefresh(void)
2060	–	{
2061	–	#if defined(ENABLE_XF86_DGA) || defined(ENABLE_FBDEV_DGA)
2062	–	// Quit DGA mode if requested
2063	–	if (quit_full_screen) {
2064	–	quit_full_screen = false;
2065	–	if (display_type == DISPLAY_DGA) {
2066	–	#ifdef ENABLE_XF86_DGA
2067	–	XF86DGADirectVideo(x_display, screen, 0);
2068	–	#endif
2069	–	XUngrabPointer(x_display, CurrentTime);
2070	–	XUngrabKeyboard(x_display, CurrentTime);
2071	–	XUnmapWindow(x_display, the_win);
2072	–	XSync(x_display, false);
2073	–	}
2074	–	}
2075	–	#endif
2076	–
2077	–	// Handle X events
2078	–	handle_events();
2079	–
2080	–	// Handle palette changes
2081	–	#ifdef HAVE_PTHREADS
2082	–	pthread_mutex_lock(&palette_lock);
2083	–	#endif
2084	–	if (palette_changed) {
2085	–	palette_changed = false;
2086	–	if (depth == 8) {
2087	–	XStoreColors(x_display, cmap[0], palette, 256);
2088	–	XStoreColors(x_display, cmap[1], palette, 256);
2089	–
2090	–	#ifdef ENABLE_XF86_DGA
2091	–	if (display_type == DISPLAY_DGA) {
2092	–	current_dga_cmap ^= 1;
2093	–	XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
2094	–	}
2095	–	#endif
2096	–	}
2097	–	}
2098	–	#ifdef HAVE_PTHREADS
2099	–	pthread_mutex_unlock(&palette_lock);
2100	–	#endif
2101	–
2102	–	// In window mode, update display
2103	–	static int tick_counter = 0;
2104	–	if (display_type == DISPLAY_WINDOW) {
2105	–	tick_counter++;
2106	–	if (frame_skip == 0)
2107	–	update_display_dynamic(tick_counter);
2108	–	else if (tick_counter >= frame_skip) {
2109	–	tick_counter = 0;
2110	–	update_display_static();
2111	–	}
2112	–	}
2113	–	}
2114	–	#endif
2115	–
2127		#ifdef HAVE_PTHREADS
2128		static void *redraw_func(void *arg)
2129		{
#	Line 2120 | Line 2131 | static void *redraw_func(void *arg)
2131		int64 ticks = 0;
2132		uint64 next = GetTicks_usec();
2133		while (!redraw_thread_cancel) {
2123	–	//              VideoRefresh();
2134		video_refresh();
2135		next += 16667;
2136		int64 delay = next - GetTicks_usec();
#	Line 2131 | Line 2141 | static void *redraw_func(void *arg)
2141		ticks++;
2142		}
2143		uint64 end = GetTicks_usec();
2144	<	printf("%Ld ticks in %Ld usec = %Ld ticks/sec\n", ticks, end - start, (end - start) / ticks);
2144	>	// printf("%Ld ticks in %Ld usec = %Ld ticks/sec\n", ticks, end - start, ticks * 1000000 / (end - start));
2145		return NULL;
2146		}
2147		#endif

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