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

Comparing SheepShaver/src/Unix/video_x.cpp (file contents):
Revision 1.14 by gbeauche, 2004-04-11T10:46:32Z vs.
Revision 1.51 by asvitkine, 2009-02-19T07:08:15Z

#	Line 1 | Line 1
1		/*
2		*  video_x.cpp - Video/graphics emulation, X11 specific stuff
3		*
4	<	*  SheepShaver (C) 1997-2004 Marc Hellwig and Christian Bauer
4	>	*  SheepShaver (C) 1997-2008 Marc Hellwig and 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 18 | Line 18
18		*  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19		*/
20
21	+	/*
22	+	*  NOTES:
23	+	*    The Ctrl key works like a qualifier for special actions:
24	+	*      Ctrl-Tab = suspend DGA mode
25	+	*      Ctrl-Esc = emergency quit
26	+	*      Ctrl-F1 = mount floppy
27	+	*      Ctrl-F5 = grab mouse (in windowed mode)
28	+	*/
29	+
30		#include "sysdeps.h"
31
32		#include <X11/Xlib.h>
#	Line 28 | Line 37
37		#include <sys/shm.h>
38		#include <errno.h>
39		#include <pthread.h>
40	+	#include <semaphore.h>
41
42		#include <algorithm>
43
44	+	#ifdef ENABLE_FBDEV_DGA
45	+	# include <linux/fb.h>
46	+	# include <sys/ioctl.h>
47	+	#endif
48	+
49		#ifdef ENABLE_XF86_DGA
50	<	#include <X11/extensions/xf86dga.h>
50	>	# include <X11/extensions/xf86dga.h>
51		#endif
52
53		#ifdef ENABLE_XF86_VIDMODE
54		# include <X11/extensions/xf86vmode.h>
55		#endif
56
57	+	#ifdef ENABLE_FBDEV_DGA
58	+	# include <sys/mman.h>
59	+	#endif
60	+
61		#include "main.h"
62		#include "adb.h"
63		#include "prefs.h"
#	Line 46 | Line 65
65		#include "about_window.h"
66		#include "video.h"
67		#include "video_defs.h"
68	+	#include "video_blit.h"
69
70		#define DEBUG 0
71		#include "debug.h"
#	Line 57 | Line 77 | using std::sort;
77
78		// Constants
79		const char KEYCODE_FILE_NAME[] = DATADIR "/keycodes";
80	+	static const bool hw_mac_cursor_accl = true;    // Flag: Enable MacOS to X11 copy of cursor?
81
82		// Global variables
83		static int32 frame_skip;
84		static int16 mouse_wheel_mode;
85		static int16 mouse_wheel_lines;
86		static bool redraw_thread_active = false;       // Flag: Redraw thread installed
87	+	static pthread_attr_t redraw_thread_attr;       // Redraw thread attributes
88	+	static volatile bool redraw_thread_cancel;      // Flag: Cancel Redraw thread
89		static pthread_t redraw_thread;                         // Redraw thread
90
68	–	static bool local_X11;                                          // Flag: X server running on local machine?
91		static volatile bool thread_stop_req = false;
92	<	static volatile bool thread_stop_ack = false;   // Acknowledge for thread_stop_req
92	>	static sem_t thread_stop_ack;
93	>	static sem_t thread_resume_req;
94
95	+	static bool local_X11;                                          // Flag: X server running on local machine?
96		static bool has_dga = false;                            // Flag: Video DGA capable
97		static bool has_vidmode = false;                        // Flag: VidMode extension available
98
#	Line 80 | Line 104 | static const bool use_vosf = false;                    //
104
105		static bool palette_changed = false;            // Flag: Palette changed, redraw thread must update palette
106		static bool ctrl_down = false;                          // Flag: Ctrl key pressed
107	+	static bool caps_on = false;                            // Flag: Caps Lock on
108		static bool quit_full_screen = false;           // Flag: DGA close requested from redraw thread
109		static volatile bool quit_full_screen_ack = false;      // Acknowledge for quit_full_screen
110		static bool emerg_quit = false;                         // Flag: Ctrl-Esc pressed, emergency quit requested from MacOS thread
#	Line 97 | Line 122 | static int depth;                                                      // Depth of Mac
122		static Window rootwin, the_win;                         // Root window and our window
123		static int num_depths = 0;                                      // Number of available X depths
124		static int *avail_depths = NULL;                        // List of available X depths
125	+	static VisualFormat visualFormat;
126		static XVisualInfo visualInfo;
127		static Visual *vis;
128		static int color_class;
129		static int rshift, rloss, gshift, gloss, bshift, bloss; // Pixel format of DirectColor/TrueColor modes
130		static Colormap cmap[2];                                        // Two colormaps (DGA) for 8-bit mode
131		static XColor x_palette[256];                           // Color palette to be used as CLUT and gamma table
132	+	static int orig_accel_numer, orig_accel_denom, orig_threshold;  // Original mouse acceleration
133
134		static XColor black, white;
135		static unsigned long black_pixel, white_pixel;
#	Line 125 | Line 152 | static uint8 *the_buffer_copy = NULL;          /
152		static uint32 the_buffer_size;                          // Size of allocated the_buffer
153
154		// Variables for DGA mode
155	<	static char *dga_screen_base;
129	<	static int dga_fb_width;
155	>	static bool is_fbdev_dga_mode = false;          // Flag: Use FBDev DGA mode?
156		static int current_dga_cmap;
157
158	+	#ifdef ENABLE_FBDEV_DGA
159	+	static int fb_dev_fd = -1;                                              // Handle to fb device name
160	+	static struct fb_fix_screeninfo fb_finfo;               // Fixed info
161	+	static struct fb_var_screeninfo fb_vinfo;               // Variable info
162	+	static struct fb_var_screeninfo fb_orig_vinfo;  // Variable info to restore later
163	+	static struct fb_cmap fb_oldcmap;                               // Colormap to restore later
164	+	#endif
165	+
166		#ifdef ENABLE_XF86_VIDMODE
167		// Variables for XF86 VidMode support
168		static XF86VidModeModeInfo **x_video_modes;             // Array of all available modes
#	Line 136 | Line 170 | static int num_x_video_modes;
170		#endif
171
172		// Mutex to protect palette
173	<	#ifdef HAVE_SPINLOCKS
140	<	static spinlock_t x_palette_lock = SPIN_LOCK_UNLOCKED;
141	<	#define LOCK_PALETTE spin_lock(&x_palette_lock)
142	<	#define UNLOCK_PALETTE spin_unlock(&x_palette_lock)
143	<	#elif defined(HAVE_PTHREADS)
173	>	#if defined(HAVE_PTHREADS)
174		static pthread_mutex_t x_palette_lock = PTHREAD_MUTEX_INITIALIZER;
175		#define LOCK_PALETTE pthread_mutex_lock(&x_palette_lock)
176		#define UNLOCK_PALETTE pthread_mutex_unlock(&x_palette_lock)
177	+	#elif defined(HAVE_SPINLOCKS)
178	+	static spinlock_t x_palette_lock = SPIN_LOCK_UNLOCKED;
179	+	#define LOCK_PALETTE spin_lock(&x_palette_lock)
180	+	#define UNLOCK_PALETTE spin_unlock(&x_palette_lock)
181		#else
182		#define LOCK_PALETTE
183		#define UNLOCK_PALETTE
184		#endif
185
186	+	// Mutex to protect frame buffer
187	+	#if defined(HAVE_PTHREADS)
188	+	static pthread_mutex_t frame_buffer_lock = PTHREAD_MUTEX_INITIALIZER;
189	+	#define LOCK_FRAME_BUFFER pthread_mutex_lock(&frame_buffer_lock);
190	+	#define UNLOCK_FRAME_BUFFER pthread_mutex_unlock(&frame_buffer_lock);
191	+	#elif defined(HAVE_SPINLOCKS)
192	+	static spinlock_t frame_buffer_lock = SPIN_LOCK_UNLOCKED;
193	+	#define LOCK_FRAME_BUFFER spin_lock(&frame_buffer_lock)
194	+	#define UNLOCK_FRAME_BUFFER spin_unlock(&frame_buffer_lock)
195	+	#else
196	+	#define LOCK_FRAME_BUFFER
197	+	#define UNLOCK_FRAME_BUFFER
198	+	#endif
199	+
200
201		// Prototypes
202		static void *redraw_func(void *arg);
#	Line 196 | Line 244 | static int palette_size(int mode)
244		}
245		}
246
247	+	// Return bits per pixel for requested depth
248	+	static inline int bytes_per_pixel(int depth)
249	+	{
250	+	int bpp;
251	+	switch (depth) {
252	+	case 8:
253	+	bpp = 1;
254	+	break;
255	+	case 15: case 16:
256	+	bpp = 2;
257	+	break;
258	+	case 24: case 32:
259	+	bpp = 4;
260	+	break;
261	+	default:
262	+	abort();
263	+	}
264	+	return bpp;
265	+	}
266	+
267		// Map video_mode depth ID to numerical depth value
268		static inline int depth_of_video_mode(int mode)
269		{
270	<	int depth = -1;
270	>	int depth;
271		switch (mode) {
272		case APPLE_1_BIT:
273		depth = 1;
#	Line 340 | Line 408 | static bool find_visual_for_depth(int de
408		*  Open display (window or fullscreen)
409		*/
410
411	+	// Set window name and class
412	+	static void set_window_name(Window w, int name)
413	+	{
414	+	const char *str = GetString(name);
415	+	XStoreName(x_display, w, str);
416	+	XSetIconName(x_display, w, str);
417	+
418	+	XClassHint *hints;
419	+	hints = XAllocClassHint();
420	+	if (hints) {
421	+	hints->res_name = "SheepShaver";
422	+	hints->res_class = "SheepShaver";
423	+	XSetClassHint(x_display, w, hints);
424	+	XFree(hints);
425	+	}
426	+	}
427	+
428	+	// Set window input focus flag
429	+	static void set_window_focus(Window w)
430	+	{
431	+	XWMHints *hints = XAllocWMHints();
432	+	if (hints) {
433	+	hints->input = True;
434	+	hints->initial_state = NormalState;
435	+	hints->flags = InputHint | StateHint;
436	+	XSetWMHints(x_display, w, hints);
437	+	XFree(hints);
438	+	}
439	+	}
440	+
441		// Set WM_DELETE_WINDOW protocol on window (preventing it from being destroyed by the WM when clicking on the "close" widget)
442		static Atom WM_DELETE_WINDOW = (Atom)0;
443		static void set_window_delete_protocol(Window w)
#	Line 349 | Line 447 | static void set_window_delete_protocol(W
447		}
448
449		// Wait until window is mapped/unmapped
450	<	void wait_mapped(Window w)
450	>	static void wait_mapped(Window w)
451		{
452		XEvent e;
453		do {
#	Line 357 | Line 455 | void wait_mapped(Window w)
455		} while ((e.type != MapNotify) || (e.xmap.event != w));
456		}
457
458	<	void wait_unmapped(Window w)
458	>	static void wait_unmapped(Window w)
459		{
460		XEvent e;
461		do {
#	Line 365 | Line 463 | void wait_unmapped(Window w)
463		} while ((e.type != UnmapNotify) || (e.xmap.event != w));
464		}
465
466	+	// Disable mouse acceleration
467	+	static void disable_mouse_accel(void)
468	+	{
469	+	XChangePointerControl(x_display, True, False, 1, 1, 0);
470	+	}
471	+
472	+	// Restore mouse acceleration to original value
473	+	static void restore_mouse_accel(void)
474	+	{
475	+	XChangePointerControl(x_display, True, True, orig_accel_numer, orig_accel_denom, orig_threshold);
476	+	}
477	+
478		// Trap SHM errors
479		static bool shm_error = false;
480		static int (*old_error_handler)(Display *, XErrorEvent *);
#	Line 397 | Line 507 | static bool open_window(int width, int h
507		the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth,
508		InputOutput, vis, CWEventMask | CWBackPixel | CWBorderPixel | CWBackingStore | CWColormap, &wattr);
509
510	<	// Set window name
511	<	XStoreName(x_display, the_win, GetString(STR_WINDOW_TITLE));
510	>	// Set window name/class
511	>	set_window_name(the_win, STR_WINDOW_TITLE);
512	>
513	>	// Indicate that we want keyboard input
514	>	set_window_focus(the_win);
515
516		// Set delete protocol property
517		set_window_delete_protocol(the_win);
#	Line 479 | Line 592 | static bool open_window(int width, int h
592		the_buffer = (uint8 *)malloc((aligned_height + 2) * img->bytes_per_line);
593		D(bug("the_buffer = %p, the_buffer_copy = %p\n", the_buffer, the_buffer_copy));
594		#endif
595	<	screen_base = (uint32)the_buffer;
595	>	screen_base = Host2MacAddr(the_buffer);
596
597		// Create GC
598		the_gc = XCreateGC(x_display, the_win, 0, 0);
599		XSetState(x_display, the_gc, black_pixel, white_pixel, GXcopy, AllPlanes);
600
601		// Create cursor
602	<	cursor_image = XCreateImage(x_display, vis, 1, XYPixmap, 0, (char *)MacCursor + 4, 16, 16, 16, 2);
603	<	cursor_image->byte_order = MSBFirst;
604	<	cursor_image->bitmap_bit_order = MSBFirst;
605	<	cursor_mask_image = XCreateImage(x_display, vis, 1, XYPixmap, 0, (char *)MacCursor + 36, 16, 16, 16, 2);
606	<	cursor_mask_image->byte_order = MSBFirst;
607	<	cursor_mask_image->bitmap_bit_order = MSBFirst;
608	<	cursor_map = XCreatePixmap(x_display, the_win, 16, 16, 1);
609	<	cursor_mask_map = XCreatePixmap(x_display, the_win, 16, 16, 1);
610	<	cursor_gc = XCreateGC(x_display, cursor_map, 0, 0);
611	<	cursor_mask_gc = XCreateGC(x_display, cursor_mask_map, 0, 0);
612	<	mac_cursor = XCreatePixmapCursor(x_display, cursor_map, cursor_mask_map, &black, &white, 0, 0);
613	<	cursor_changed = false;
602	>	if (hw_mac_cursor_accl) {
603	>	cursor_image = XCreateImage(x_display, vis, 1, XYPixmap, 0, (char *)MacCursor + 4, 16, 16, 16, 2);
604	>	cursor_image->byte_order = MSBFirst;
605	>	cursor_image->bitmap_bit_order = MSBFirst;
606	>	cursor_mask_image = XCreateImage(x_display, vis, 1, XYPixmap, 0, (char *)MacCursor + 36, 16, 16, 16, 2);
607	>	cursor_mask_image->byte_order = MSBFirst;
608	>	cursor_mask_image->bitmap_bit_order = MSBFirst;
609	>	cursor_map = XCreatePixmap(x_display, the_win, 16, 16, 1);
610	>	cursor_mask_map = XCreatePixmap(x_display, the_win, 16, 16, 1);
611	>	cursor_gc = XCreateGC(x_display, cursor_map, 0, 0);
612	>	cursor_mask_gc = XCreateGC(x_display, cursor_mask_map, 0, 0);
613	>	mac_cursor = XCreatePixmapCursor(x_display, cursor_map, cursor_mask_map, &black, &white, 0, 0);
614	>	cursor_changed = false;
615	>	}
616	>
617	>	// Create no_cursor
618	>	else {
619	>	mac_cursor = XCreatePixmapCursor(x_display,
620	>	XCreatePixmap(x_display, the_win, 1, 1, 1),
621	>	XCreatePixmap(x_display, the_win, 1, 1, 1),
622	>	&black, &white, 0, 0);
623	>	XDefineCursor(x_display, the_win, mac_cursor);
624	>	}
625
626		// Init blitting routines
627		bool native_byte_order;
#	Line 507 | Line 631 | static bool open_window(int width, int h
631		native_byte_order = (XImageByteOrder(x_display) == LSBFirst);
632		#endif
633		#ifdef ENABLE_VOSF
634	<	Screen_blitter_init(&visualInfo, native_byte_order, depth);
634	>	Screen_blitter_init(visualFormat, native_byte_order, depth);
635		#endif
636
637		// Set bytes per row
#	Line 515 | Line 639 | static bool open_window(int width, int h
639		return true;
640		}
641
642	<	// Open DGA display (!! should use X11 VidMode extensions to set mode)
643	<	static bool open_dga(int width, int height)
642	>	// Open FBDev DGA display
643	>	static bool open_fbdev_dga(int width, int height)
644		{
645	+	#ifdef ENABLE_FBDEV_DGA
646	+	#ifdef ENABLE_XF86_VIDMODE
647	+	// Switch to best mode
648	+	if (has_vidmode) {
649	+	int best = -1;
650	+	for (int i = 0; i < num_x_video_modes; i++) {
651	+	if (x_video_modes[i]->hdisplay == width && x_video_modes[i]->vdisplay == height) {
652	+	best = i;
653	+	break;
654	+	}
655	+	};
656	+	assert(best != -1);
657	+	XF86VidModeSwitchToMode(x_display, screen, x_video_modes[best]);
658	+	XF86VidModeSetViewPort(x_display, screen, 0, 0);
659	+	D(bug("[fbdev] VideoMode %d: %d x %d @ %d\n", best,
660	+	x_video_modes[best]->hdisplay, x_video_modes[best]->vdisplay,
661	+	1000 * x_video_modes[best]->dotclock / (x_video_modes[best]->htotal * x_video_modes[best]->vtotal)));
662	+	}
663	+	#endif
664	+
665	+	if (ioctl(fb_dev_fd, FBIOGET_FSCREENINFO, &fb_finfo) != 0) {
666	+	D(bug("[fbdev] Can't get FSCREENINFO: %s\n", strerror(errno)));
667	+	return false;
668	+	}
669	+	D(bug("[fbdev] Device ID: %s\n", fb_finfo.id));
670	+	D(bug("[fbdev] smem_start: %p [%d bytes]\n", fb_finfo.smem_start, fb_finfo.smem_len));
671	+
672	+	int fb_type = fb_finfo.type;
673	+	const char *fb_type_str = NULL;
674	+	switch (fb_type) {
675	+	case FB_TYPE_PACKED_PIXELS:                     fb_type_str = "Packed Pixels";                  break;
676	+	case FB_TYPE_PLANES:                            fb_type_str = "Non interleaved planes"; break;
677	+	case FB_TYPE_INTERLEAVED_PLANES:        fb_type_str = "Interleaved planes";             break;
678	+	case FB_TYPE_TEXT:                                      fb_type_str = "Text/attributes";                break;
679	+	case FB_TYPE_VGA_PLANES:                        fb_type_str = "EGA/VGA planes";                 break;
680	+	default:                                                        fb_type_str = "<unknown>";                              break;
681	+	}
682	+	D(bug("[fbdev] type: %s\n", fb_type_str));
683	+
684	+	if (fb_type != FB_TYPE_PACKED_PIXELS) {
685	+	D(bug("[fbdev] type '%s' not supported\n", fb_type_str));
686	+	return false;
687	+	}
688	+
689	+	int fb_visual = fb_finfo.visual;
690	+	const char *fb_visual_str;
691	+	switch (fb_visual) {
692	+	case FB_VISUAL_MONO01:                          fb_visual_str = "Monochrome 1=Black 0=White";   break;
693	+	case FB_VISUAL_MONO10:                          fb_visual_str = "Monochrome 1=While 0=Black";   break;
694	+	case FB_VISUAL_TRUECOLOR:                       fb_visual_str = "True color";                                   break;
695	+	case FB_VISUAL_PSEUDOCOLOR:                     fb_visual_str = "Pseudo color (like atari)";    break;
696	+	case FB_VISUAL_DIRECTCOLOR:                     fb_visual_str = "Direct color";                                 break;
697	+	case FB_VISUAL_STATIC_PSEUDOCOLOR:      fb_visual_str = "Pseudo color readonly";                break;
698	+	default:                                                        fb_visual_str = "<unknown>";                                    break;
699	+	}
700	+	D(bug("[fbdev] visual: %s\n", fb_visual_str));
701	+
702	+	if (fb_visual != FB_VISUAL_TRUECOLOR && fb_visual != FB_VISUAL_DIRECTCOLOR) {
703	+	D(bug("[fbdev] visual '%s' not supported\n", fb_visual_str));
704	+	return false;
705	+	}
706	+
707	+	// Map frame buffer
708	+	the_buffer = (uint8 *)mmap(NULL, fb_finfo.smem_len, PROT_READ | PROT_WRITE, MAP_SHARED, fb_dev_fd, 0);
709	+	if (the_buffer == MAP_FAILED) {
710	+	D(bug("[fbdev] Can't mmap /dev/fb0: %s\n", strerror(errno)));
711	+	return false;
712	+	}
713	+
714	+	// Set absolute mouse mode
715	+	ADBSetRelMouseMode(false);
716	+
717	+	// Create window
718	+	XSetWindowAttributes wattr;
719	+	wattr.event_mask = eventmask = dga_eventmask;
720	+	wattr.override_redirect = True;
721	+	the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth,
722	+	InputOutput, DefaultVisual(x_display, screen),
723	+	CWEventMask | CWOverrideRedirect, &wattr);
724	+
725	+	// Show window
726	+	XMapRaised(x_display, the_win);
727	+	wait_mapped(the_win);
728	+
729	+	// Grab mouse and keyboard
730	+	XGrabKeyboard(x_display, the_win, True,
731	+	GrabModeAsync, GrabModeAsync, CurrentTime);
732	+	XGrabPointer(x_display, the_win, True,
733	+	PointerMotionMask | ButtonPressMask | ButtonReleaseMask,
734	+	GrabModeAsync, GrabModeAsync, the_win, None, CurrentTime);
735	+	disable_mouse_accel();
736	+
737	+	// Create no_cursor
738	+	mac_cursor = XCreatePixmapCursor(x_display,
739	+	XCreatePixmap(x_display, the_win, 1, 1, 1),
740	+	XCreatePixmap(x_display, the_win, 1, 1, 1),
741	+	&black, &white, 0, 0);
742	+	XDefineCursor(x_display, the_win, mac_cursor);
743	+
744	+	// Init blitting routines
745	+	int bytes_per_row = TrivialBytesPerRow((width + 7) & ~7, DepthModeForPixelDepth(depth));
746	+	#if ENABLE_VOSF
747	+	// Extract current screen color masks (we are in True Color mode)
748	+	VisualFormat visualFormat;
749	+	visualFormat.depth = xdepth = DefaultDepth(x_display, screen);
750	+	XMatchVisualInfo(x_display, screen, xdepth, TrueColor, &visualInfo);
751	+	assert(visualFormat.depth == visualInfo.depth);
752	+	visualFormat.Rmask = visualInfo.red_mask;
753	+	visualFormat.Gmask = visualInfo.green_mask;
754	+	visualFormat.Bmask = visualInfo.blue_mask;
755	+	D(bug("[fbdev] %d bpp, (%08x,%08x,%08x)\n",
756	+	visualFormat.depth,
757	+	visualFormat.Rmask, visualFormat.Gmask, visualFormat.Bmask));
758	+	D(bug("[fbdev] Mac depth %d bpp\n", depth));
759	+
760	+	// Screen_blitter_init() returns TRUE if VOSF is mandatory
761	+	// i.e. the framebuffer update function is not Blit_Copy_Raw
762	+	#ifdef WORDS_BIGENDIAN
763	+	const bool native_byte_order = (XImageByteOrder(x_display) == MSBFirst);
764	+	#else
765	+	const bool native_byte_order = (XImageByteOrder(x_display) == LSBFirst);
766	+	#endif
767	+	Screen_blitter_init(visualFormat, native_byte_order, depth);
768	+
769	+	// Allocate memory for frame buffer (SIZE is extended to page-boundary)
770	+	use_vosf = true;
771	+	the_host_buffer = the_buffer;
772	+	the_buffer_size = page_extend((height + 2) * bytes_per_row);
773	+	the_buffer_copy = (uint8 *)malloc(the_buffer_size);
774	+	the_buffer = (uint8 *)vm_acquire(the_buffer_size);
775	+	D(bug("the_buffer = %p, the_buffer_copy = %p, the_host_buffer = %p\n", the_buffer, the_buffer_copy, the_host_buffer));
776	+	#endif
777	+
778	+	// Set frame buffer base
779	+	D(bug("the_buffer = %p, use_vosf = %d\n", the_buffer, use_vosf));
780	+	screen_base = Host2MacAddr(the_buffer);
781	+	VModes[cur_mode].viRowBytes = bytes_per_row;
782	+	return true;
783	+	#else
784	+	ErrorAlert("SheepShaver has been compiled with DGA support disabled.");
785	+	return false;
786	+	#endif
787	+	}
788	+
789	+	// Open XF86 DGA display (!! should use X11 VidMode extensions to set mode)
790	+	static bool open_xf86_dga(int width, int height)
791	+	{
792	+	if (is_fbdev_dga_mode)
793	+	return false;
794	+
795		#ifdef ENABLE_XF86_DGA
796		// Set relative mouse mode
797		ADBSetRelMouseMode(true);
798
799	+	// Create window
800	+	XSetWindowAttributes wattr;
801	+	wattr.event_mask = eventmask = dga_eventmask;
802	+	wattr.override_redirect = True;
803	+	wattr.colormap = (depth == 1 ? DefaultColormap(x_display, screen) : cmap[0]);
804	+	the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth,
805	+	InputOutput, vis, CWEventMask | CWOverrideRedirect |
806	+	(color_class == DirectColor ? CWColormap : 0), &wattr);
807	+
808	+	// Show window
809	+	XMapRaised(x_display, the_win);
810	+	wait_mapped(the_win);
811	+
812		#ifdef ENABLE_XF86_VIDMODE
813		// Switch to best mode
814		if (has_vidmode) {
#	Line 538 | Line 825 | static bool open_dga(int width, int heig
825		#endif
826
827		// Establish direct screen connection
828	+	XMoveResizeWindow(x_display, the_win, 0, 0, width, height);
829	+	XWarpPointer(x_display, None, rootwin, 0, 0, 0, 0, 0, 0);
830		XGrabKeyboard(x_display, rootwin, True, GrabModeAsync, GrabModeAsync, CurrentTime);
831		XGrabPointer(x_display, rootwin, True, PointerMotionMask | ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
832	+
833	+	int v_width, v_bank, v_size;
834	+	XF86DGAGetVideo(x_display, screen, (char **)&the_buffer, &v_width, &v_bank, &v_size);
835		XF86DGADirectVideo(x_display, screen, XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse);
836		XF86DGASetViewPort(x_display, screen, 0, 0);
837		XF86DGASetVidPage(x_display, screen, 0);
838
839		// Set colormap
840	<	if (depth == 8)
840	>	if (!IsDirectMode(get_current_mode())) {
841	>	XSetWindowColormap(x_display, the_win, cmap[current_dga_cmap = 0]);
842		XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
843	+	}
844	+	XSync(x_display, false);
845
846	<	// Set bytes per row
847	<	int bytes_per_row = TrivialBytesPerRow((dga_fb_width + 7) & ~7, DepthModeForPixelDepth(depth));
553	<
846	>	// Init blitting routines
847	>	int bytes_per_row = TrivialBytesPerRow((v_width + 7) & ~7, DepthModeForPixelDepth(depth));
848		#if ENABLE_VOSF
849		bool native_byte_order;
850		#ifdef WORDS_BIGENDIAN
#	Line 561 | Line 855 | static bool open_dga(int width, int heig
855		#if REAL_ADDRESSING || DIRECT_ADDRESSING
856		// Screen_blitter_init() returns TRUE if VOSF is mandatory
857		// i.e. the framebuffer update function is not Blit_Copy_Raw
858	<	use_vosf = Screen_blitter_init(&visualInfo, native_byte_order, depth);
858	>	use_vosf = Screen_blitter_init(visualFormat, native_byte_order, depth);
859
860		if (use_vosf) {
861		// Allocate memory for frame buffer (SIZE is extended to page-boundary)
#	Line 569 | Line 863 | static bool open_dga(int width, int heig
863		the_buffer_size = page_extend((height + 2) * bytes_per_row);
864		the_buffer_copy = (uint8 *)malloc(the_buffer_size);
865		the_buffer = (uint8 *)vm_acquire(the_buffer_size);
866	+	D(bug("the_buffer = %p, the_buffer_copy = %p, the_host_buffer = %p\n", the_buffer, the_buffer_copy, the_host_buffer));
867		}
868		#else
869		use_vosf = false;
575	–	the_buffer = dga_screen_base;
870		#endif
871		#endif
578	–	screen_base = (uint32)the_buffer;
872
873	+	// Set frame buffer base
874	+	D(bug("the_buffer = %p, use_vosf = %d\n", the_buffer, use_vosf));
875	+	screen_base = Host2MacAddr(the_buffer);
876		VModes[cur_mode].viRowBytes = bytes_per_row;
581	–	XSync(x_display, false);
877		return true;
878		#else
879		ErrorAlert("SheepShaver has been compiled with DGA support disabled.");
#	Line 586 | Line 881 | static bool open_dga(int width, int heig
881		#endif
882		}
883
884	+	// Open DGA display
885	+	static bool open_dga(int width, int height)
886	+	{
887	+	bool display_open;
888	+
889	+	display_open = open_xf86_dga(width, height);
890	+	#ifdef ENABLE_FBDEV_DGA
891	+	// Try to fallback to FBDev DGA mode
892	+	if (!display_open) {
893	+	is_fbdev_dga_mode = true;
894	+	display_open = open_fbdev_dga(width, height);
895	+	}
896	+	#endif
897	+
898	+	// Common DGA display initialization
899	+	if (display_open) {
900	+
901	+	// Fake image to get display bounds in the refresh function
902	+	if ((img = (XImage *)malloc(sizeof(*img))) == NULL)
903	+	return false;
904	+	img->width = DisplayWidth(x_display, screen);
905	+	img->height = DisplayHeight(x_display, screen);
906	+	img->depth = is_fbdev_dga_mode ? xdepth : depth;
907	+	img->bytes_per_line = TrivialBytesPerRow(img->width, DepthModeForPixelDepth(img->depth));
908	+	}
909	+
910	+	return display_open;
911	+	}
912	+
913		static bool open_display(void)
914		{
915		D(bug("open_display()\n"));
916		const VideoInfo &mode = VModes[cur_mode];
917
918	+	// Get original mouse acceleration
919	+	XGetPointerControl(x_display, &orig_accel_numer, &orig_accel_denom, &orig_threshold);
920	+
921		// Find best available X visual
922		if (!find_visual_for_depth(mode.viAppleMode)) {
923		ErrorAlert(GetString(STR_NO_XVISUAL_ERR));
924		return false;
925		}
926
927	+	// Build up visualFormat structure
928	+	visualFormat.fullscreen = (display_type == DIS_SCREEN);
929	+	visualFormat.depth = visualInfo.depth;
930	+	visualFormat.Rmask = visualInfo.red_mask;
931	+	visualFormat.Gmask = visualInfo.green_mask;
932	+	visualFormat.Bmask = visualInfo.blue_mask;
933	+
934		// Create color maps
935		if (color_class == PseudoColor || color_class == DirectColor) {
936		cmap[0] = XCreateColormap(x_display, rootwin, vis, AllocAll);
#	Line 664 | Line 998 | static bool open_display(void)
998		display_type = mode.viType;
999		depth = depth_of_video_mode(mode.viAppleMode);
1000
1001	<	bool display_open = false;
1002	<	if (display_type == DIS_SCREEN)
1001	>	bool display_open;
1002	>	switch (display_type) {
1003	>	case DIS_SCREEN:
1004		display_open = open_dga(VModes[cur_mode].viXsize, VModes[cur_mode].viYsize);
1005	<	else if (display_type == DIS_WINDOW)
1005	>	break;
1006	>	case DIS_WINDOW:
1007		display_open = open_window(VModes[cur_mode].viXsize, VModes[cur_mode].viYsize);
1008	+	break;
1009	+	default:
1010	+	display_open = false;
1011	+	break;
1012	+	}
1013
1014		#ifdef ENABLE_VOSF
1015		if (use_vosf) {
1016		// Initialize the VOSF system
1017	+	LOCK_VOSF;
1018		if (!video_vosf_init()) {
1019		ErrorAlert(GetString(STR_VOSF_INIT_ERR));
1020	+	UNLOCK_VOSF;
1021		return false;
1022		}
1023	+	UNLOCK_VOSF;
1024		}
1025		#endif
1026	<
1026	>
1027	>	// Zero screen buffers, viRowBytes is initialized at this stage
1028	>	if (display_open) {
1029	>	memset(the_buffer, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
1030	>	memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
1031	>	}
1032		return display_open;
1033		}
1034
#	Line 711 | Line 1060 | static void close_window(void)
1060		if (the_gc)
1061		XFreeGC(x_display, the_gc);
1062
714	–	// Close window
715	–	if (the_win) {
716	–	XUnmapWindow(x_display, the_win);
717	–	wait_unmapped(the_win);
718	–	XDestroyWindow(x_display, the_win);
719	–	}
720	–
1063		XFlush(x_display);
1064		XSync(x_display, false);
1065		}
1066
1067	<	// Close DGA mode
1068	<	static void close_dga(void)
1067	>	// Close FBDev mode
1068	>	static void close_fbdev_dga(void)
1069	>	{
1070	>	#ifdef ENABLE_FBDEV_DGA
1071	>	uint8 *fb_base;
1072	>	if (!use_vosf)
1073	>	fb_base = the_buffer;
1074	>	#ifdef ENABLE_VOSF
1075	>	else
1076	>	fb_base = the_host_buffer;
1077	>	#endif
1078	>	munmap(fb_base, fb_finfo.smem_len);
1079	>	#endif
1080	>	}
1081	>
1082	>	// Close XF86 DGA mode
1083	>	static void close_xf86_dga(void)
1084		{
1085		#ifdef ENABLE_XF86_DGA
1086		XF86DGADirectVideo(x_display, screen, 0);
1087	+	#endif
1088	+	}
1089	+
1090	+	// Close DGA mode
1091	+	static void close_dga(void)
1092	+	{
1093	+	if (is_fbdev_dga_mode)
1094	+	close_fbdev_dga();
1095	+	else
1096	+	close_xf86_dga();
1097	+
1098		XUngrabPointer(x_display, CurrentTime);
1099		XUngrabKeyboard(x_display, CurrentTime);
732	–	#endif
1100
1101		#ifdef ENABLE_XF86_VIDMODE
1102		if (has_vidmode)
1103		XF86VidModeSwitchToMode(x_display, screen, x_video_modes[0]);
1104		#endif
1105
1106	+	// Release fake image (it's not a normal XImage!)
1107	+	free(img);
1108	+	img = NULL;
1109	+
1110		if (!use_vosf) {
1111		// don't free() the screen buffer in driver_base dtor
1112		the_buffer = NULL;
#	Line 755 | Line 1126 | static void close_display(void)
1126		else if (display_type == DIS_WINDOW)
1127		close_window();
1128
1129	+	// Close window
1130	+	if (the_win) {
1131	+	XUnmapWindow(x_display, the_win);
1132	+	wait_unmapped(the_win);
1133	+	XDestroyWindow(x_display, the_win);
1134	+	}
1135	+
1136		// Free colormaps
1137		if (cmap[0]) {
1138		XFreeColormap(x_display, cmap[0]);
#	Line 799 | Line 1177 | static void close_display(void)
1177		}
1178		}
1179		#endif
1180	+
1181	+	// Restore mouse acceleration
1182	+	restore_mouse_accel();
1183		}
1184
1185
#	Line 830 | Line 1211 | static void keycode_init(void)
1211
1212		// Search for server vendor string, then read keycodes
1213		const char *vendor = ServerVendor(x_display);
1214	+	// Force use of MacX mappings on MacOS X with Apple's X server
1215	+	int dummy;
1216	+	if (XQueryExtension(x_display, "Apple-DRI", &dummy, &dummy, &dummy))
1217	+	vendor = "MacX";
1218		bool vendor_found = false;
1219		char line[256];
1220		while (fgets(line, 255, f)) {
#	Line 871 | Line 1256 | static void keycode_init(void)
1256		}
1257		}
1258
1259	+	// Find Apple mode matching best specified dimensions
1260	+	static int find_apple_resolution(int xsize, int ysize)
1261	+	{
1262	+	int apple_id;
1263	+	if (xsize < 800)
1264	+	apple_id = APPLE_640x480;
1265	+	else if (xsize < 1024)
1266	+	apple_id = APPLE_800x600;
1267	+	else if (xsize < 1152)
1268	+	apple_id = APPLE_1024x768;
1269	+	else if (xsize < 1280) {
1270	+	if (ysize < 900)
1271	+	apple_id = APPLE_1152x768;
1272	+	else
1273	+	apple_id = APPLE_1152x900;
1274	+	}
1275	+	else if (xsize < 1600)
1276	+	apple_id = APPLE_1280x1024;
1277	+	else
1278	+	apple_id = APPLE_1600x1200;
1279	+	return apple_id;
1280	+	}
1281	+
1282	+	// Find mode in list of supported modes
1283	+	static int find_mode(int apple_mode, int apple_id, int type)
1284	+	{
1285	+	for (VideoInfo *p = VModes; p->viType != DIS_INVALID; p++) {
1286	+	if (p->viType == type && p->viAppleID == apple_id && p->viAppleMode == apple_mode)
1287	+	return p - VModes;
1288	+	}
1289	+	return -1;
1290	+	}
1291	+
1292	+	// Add custom video mode
1293	+	static void add_custom_mode(VideoInfo *&p, int type, uint32 x, uint32 y, int apple_mode, int apple_id)
1294	+	{
1295	+	p->viType = type;
1296	+	p->viXsize = x;
1297	+	p->viYsize = y;
1298	+	p->viRowBytes = TrivialBytesPerRow(p->viXsize, apple_mode);
1299	+	p->viAppleMode = apple_mode;
1300	+	p->viAppleID = apple_id;
1301	+	p++;
1302	+	}
1303	+
1304		// Add mode to list of supported modes
1305		static void add_mode(VideoInfo *&p, uint32 allow, uint32 test, int apple_mode, int apple_id, int type)
1306		{
1307		if (allow & test) {
1308	<	p->viType = type;
1308	>	uint32 x = 0, y = 0;
1309		switch (apple_id) {
1310		case APPLE_W_640x480:
1311		case APPLE_640x480:
1312	<	p->viXsize = 640;
1313	<	p->viYsize = 480;
1312	>	x = 640;
1313	>	y = 480;
1314		break;
1315		case APPLE_W_800x600:
1316		case APPLE_800x600:
1317	<	p->viXsize = 800;
1318	<	p->viYsize = 600;
1317	>	x = 800;
1318	>	y = 600;
1319		break;
1320		case APPLE_1024x768:
1321	<	p->viXsize = 1024;
1322	<	p->viYsize = 768;
1321	>	x = 1024;
1322	>	y = 768;
1323	>	break;
1324	>	case APPLE_1152x768:
1325	>	x = 1152;
1326	>	y = 768;
1327		break;
1328		case APPLE_1152x900:
1329	<	p->viXsize = 1152;
1330	<	p->viYsize = 900;
1329	>	x = 1152;
1330	>	y = 900;
1331		break;
1332		case APPLE_1280x1024:
1333	<	p->viXsize = 1280;
1334	<	p->viYsize = 1024;
1333	>	x = 1280;
1334	>	y = 1024;
1335		break;
1336		case APPLE_1600x1200:
1337	<	p->viXsize = 1600;
1338	<	p->viYsize = 1200;
1337	>	x = 1600;
1338	>	y = 1200;
1339		break;
1340		}
1341	<	p->viRowBytes = TrivialBytesPerRow(p->viXsize, apple_mode);
908	<	p->viAppleMode = apple_mode;
909	<	p->viAppleID = apple_id;
910	<	p++;
1341	>	add_custom_mode(p, type, x, y, apple_mode, apple_id);
1342		}
1343		}
1344
#	Line 921 | Line 1352 | static void add_window_modes(VideoInfo *
1352		static bool has_mode(int x, int y)
1353		{
1354		#ifdef ENABLE_XF86_VIDMODE
1355	<	for (int i=0; i<num_x_video_modes; i++)
1356	<	if (x_video_modes[i]->hdisplay >= x && x_video_modes[i]->vdisplay >= y)
1357	<	return true;
1358	<	return false;
1359	<	#else
1360	<	return DisplayWidth(x_display, screen) >= x && DisplayHeight(x_display, screen) >= y;
1355	>	if (has_vidmode) {
1356	>	for (int i=0; i<num_x_video_modes; i++)
1357	>	if (x_video_modes[i]->hdisplay == x && x_video_modes[i]->vdisplay == y)
1358	>	return true;
1359	>	return false;
1360	>	}
1361		#endif
1362	+	return DisplayWidth(x_display, screen) >= x && DisplayHeight(x_display, screen) >= y;
1363		}
1364
1365		bool VideoInit(void)
#	Line 940 | Line 1372 | bool VideoInit(void)
1372
1373		// Check if X server runs on local machine
1374		local_X11 = (strncmp(XDisplayName(x_display_name), ":", 1) == 0)
1375	+	|| (strncmp(XDisplayName(x_display_name), "/", 1) == 0)
1376		|| (strncmp(XDisplayName(x_display_name), "unix:", 5) == 0);
1377
1378		// Init keycode translation
#	Line 976 | Line 1409 | bool VideoInit(void)
1409		#ifdef ENABLE_XF86_DGA
1410		// DGA available?
1411		int event_base, error_base;
1412	+	is_fbdev_dga_mode = false;
1413		if (local_X11 && XF86DGAQueryExtension(x_display, &event_base, &error_base)) {
1414		int dga_flags = 0;
1415		XF86DGAQueryDirectVideo(x_display, screen, &dga_flags);
1416		has_dga = dga_flags & XF86DGADirectPresent;
1417	+	#if defined(__linux__)
1418	+	// Check r/w permission on /dev/mem for DGA mode to work
1419	+	if (has_dga && access("/dev/mem", R_OK | W_OK) != 0)
1420	+	has_dga = false;
1421	+	#endif
1422		} else
1423		has_dga = false;
1424		#endif
#	Line 988 | Line 1427 | bool VideoInit(void)
1427		// VidMode available?
1428		int vm_event_base, vm_error_base;
1429		has_vidmode = XF86VidModeQueryExtension(x_display, &vm_event_base, &vm_error_base);
1430	<	if (has_vidmode)
1430	>	if (has_vidmode) {
1431	>	int vm_major_version, vm_minor_version;
1432	>	XF86VidModeQueryVersion(x_display, &vm_major_version, &vm_minor_version);
1433	>	D(bug("VidMode extension %d.%d available\n", vm_major_version, vm_minor_version));
1434		XF86VidModeGetAllModeLines(x_display, screen, &num_x_video_modes, &x_video_modes);
1435	+	}
1436	+	#endif
1437	+
1438	+	#ifdef ENABLE_FBDEV_DGA
1439	+	// FBDev available?
1440	+	bool has_fbdev_dga = false;
1441	+	if (local_X11) {
1442	+	if ((fb_dev_fd = open("/dev/fb0", O_RDWR)) > 0) {
1443	+	if (ioctl(fb_dev_fd, FBIOGET_VSCREENINFO, &fb_vinfo) != 0)
1444	+	close(fb_dev_fd);
1445	+	else {
1446	+	has_fbdev_dga = true;
1447	+	if (!has_dga) {
1448	+	// Fallback to FBDev DGA mode if XF86 DGA is not possible
1449	+	has_dga = true;
1450	+	is_fbdev_dga_mode = true;
1451	+	}
1452	+	fb_orig_vinfo = fb_vinfo;
1453	+	D(bug("Frame buffer device initial resolution: %dx%dx%d\n", fb_vinfo.xres, fb_vinfo.yres, fb_vinfo.bits_per_pixel));
1454	+	}
1455	+	}
1456	+	}
1457		#endif
1458
1459		// Find black and white colors
#	Line 1017 | Line 1481 | bool VideoInit(void)
1481		break;
1482		}
1483
1484	+	// Get screen mode from preferences
1485	+	const char *mode_str = PrefsFindString("screen");
1486	+	int default_width = 640, default_height = 480;
1487	+	if (mode_str) {
1488	+	display_type = DIS_INVALID;
1489	+	if (sscanf(mode_str, "win/%d/%d", &default_width, &default_height) == 2)
1490	+	display_type = DIS_WINDOW;
1491	+	#ifdef ENABLE_XF86_DGA
1492	+	else if (has_dga && sscanf(mode_str, "dga/%d/%d", &default_width, &default_height) == 2)
1493	+	display_type = DIS_SCREEN;
1494	+	#endif
1495	+	#ifdef ENABLE_FBDEV_DGA
1496	+	else if (has_fbdev_dga && sscanf(mode_str, "fbdev/%d/%d", &default_width, &default_height) == 2) {
1497	+	is_fbdev_dga_mode = true;
1498	+	display_type = DIS_SCREEN;
1499	+	}
1500	+	#endif
1501	+	if (display_type == DIS_INVALID) {
1502	+	D(bug("Invalid screen mode specified, defaulting to old modes selection\n"));
1503	+	mode_str = NULL;
1504	+	}
1505	+	else {
1506	+	if (default_width <= 0)
1507	+	default_width = DisplayWidth(x_display, screen);
1508	+	else if (default_width > DisplayWidth(x_display, screen))
1509	+	default_width = DisplayWidth(x_display, screen);
1510	+	if (default_height <= 0)
1511	+	default_height = DisplayHeight(x_display, screen);
1512	+	else if (default_height > DisplayHeight(x_display, screen))
1513	+	default_height = DisplayHeight(x_display, screen);
1514	+	}
1515	+	}
1516	+
1517		// Construct video mode table
1518		uint32 window_modes = PrefsFindInt32("windowmodes");
1519		uint32 screen_modes = PrefsFindInt32("screenmodes");
1520		if (!has_dga)
1521		screen_modes = 0;
1522	<	if (window_modes == 0 && screen_modes == 0)
1522	>	if (mode_str)
1523	>	window_modes = screen_modes = 0;
1524	>	else if (window_modes == 0 && screen_modes == 0)
1525		window_modes |= 3;      // Allow at least 640x480 and 800x600 window modes
1526
1527		VideoInfo *p = VModes;
1528	<	for (unsigned int d = APPLE_1_BIT; d <= APPLE_32_BIT; d++)
1529	<	if (find_visual_for_depth(d))
1530	<	add_window_modes(p, window_modes, d);
1528	>	if (mode_str) {
1529	>	if (display_type == DIS_WINDOW) {
1530	>	for (unsigned int d = APPLE_1_BIT; d <= APPLE_32_BIT; d++) {
1531	>	if (find_visual_for_depth(d)) {
1532	>	if (default_width > 640 && default_height > 480)
1533	>	add_mode(p, 3, 1, d, APPLE_W_640x480, DIS_WINDOW);
1534	>	if (default_width > 800 && default_height > 600)
1535	>	add_mode(p, 3, 2, d, APPLE_W_800x600, DIS_WINDOW);
1536	>	add_custom_mode(p, display_type, default_width, default_height, d, APPLE_CUSTOM);
1537	>	}
1538	>	}
1539	>	#ifdef ENABLE_VOSF
1540	>	} else if (display_type == DIS_SCREEN && is_fbdev_dga_mode) {
1541	>	for (unsigned int d = APPLE_1_BIT; d <= default_mode; d++)
1542	>	if (find_visual_for_depth(d))
1543	>	add_custom_mode(p, display_type, default_width, default_height, d, APPLE_CUSTOM);
1544	>	#endif
1545	>	} else
1546	>	add_custom_mode(p, display_type, default_width, default_height, default_mode, APPLE_CUSTOM);
1547
1548	<	if (has_vidmode) {
1548	>	// Add extra VidMode capable modes
1549	>	if (display_type == DIS_SCREEN) {
1550	>	struct {
1551	>	int w;
1552	>	int h;
1553	>	int apple_id;
1554	>	}
1555	>	video_modes[] = {
1556	>	{  640,  480, APPLE_640x480   },
1557	>	{  800,  600, APPLE_800x600   },
1558	>	{ 1024,  768, APPLE_1024x768  },
1559	>	{ 1152,  768, APPLE_1152x768  },
1560	>	{ 1152,  900, APPLE_1152x900  },
1561	>	{ 1280, 1024, APPLE_1280x1024 },
1562	>	{ 1600, 1200, APPLE_1600x1200 },
1563	>	{ 0, }
1564	>	};
1565	>
1566	>	for (int i = 0; video_modes[i].w != 0; i++) {
1567	>	const int w = video_modes[i].w;
1568	>	const int h = video_modes[i].h;
1569	>	if (w >= default_width || h >= default_height)
1570	>	continue;
1571	>	if (has_mode(w, h)) {
1572	>	#ifdef ENABLE_VOSF
1573	>	if (is_fbdev_dga_mode) {
1574	>	for (unsigned int d = APPLE_1_BIT; d <= default_mode; d++)
1575	>	if (find_visual_for_depth(d))
1576	>	add_custom_mode(p, display_type, w, h, d, video_modes[i].apple_id);
1577	>	} else
1578	>	#endif
1579	>	add_custom_mode(p, display_type, w, h, default_mode, video_modes[i].apple_id);
1580	>	}
1581	>	}
1582	>	}
1583	>	} else if (window_modes) {
1584	>	for (unsigned int d = APPLE_1_BIT; d <= APPLE_32_BIT; d++)
1585	>	if (find_visual_for_depth(d))
1586	>	add_window_modes(p, window_modes, d);
1587	>	} else if (has_vidmode) {
1588		if (has_mode(640, 480))
1589		add_mode(p, screen_modes, 1, default_mode, APPLE_640x480, DIS_SCREEN);
1590		if (has_mode(800, 600))
1591		add_mode(p, screen_modes, 2, default_mode, APPLE_800x600, DIS_SCREEN);
1592		if (has_mode(1024, 768))
1593		add_mode(p, screen_modes, 4, default_mode, APPLE_1024x768, DIS_SCREEN);
1594	+	if (has_mode(1152, 768))
1595	+	add_mode(p, screen_modes, 64, default_mode, APPLE_1152x768, DIS_SCREEN);
1596		if (has_mode(1152, 900))
1597		add_mode(p, screen_modes, 8, default_mode, APPLE_1152x900, DIS_SCREEN);
1598		if (has_mode(1280, 1024))
#	Line 1046 | Line 1602 | bool VideoInit(void)
1602		} else if (screen_modes) {
1603		int xsize = DisplayWidth(x_display, screen);
1604		int ysize = DisplayHeight(x_display, screen);
1605	<	int apple_id;
1050	<	if (xsize < 800)
1051	<	apple_id = APPLE_640x480;
1052	<	else if (xsize < 1024)
1053	<	apple_id = APPLE_800x600;
1054	<	else if (xsize < 1152)
1055	<	apple_id = APPLE_1024x768;
1056	<	else if (xsize < 1280)
1057	<	apple_id = APPLE_1152x900;
1058	<	else if (xsize < 1600)
1059	<	apple_id = APPLE_1280x1024;
1060	<	else
1061	<	apple_id = APPLE_1600x1200;
1605	>	int apple_id = find_apple_resolution(xsize, ysize);
1606		p->viType = DIS_SCREEN;
1607		p->viRowBytes = 0;
1608		p->viXsize = xsize;
#	Line 1075 | Line 1619 | bool VideoInit(void)
1619
1620		// Find default mode (window 640x480)
1621		cur_mode = -1;
1622	<	for (p = VModes; p->viType != DIS_INVALID; p++) {
1623	<	if (p->viType == DIS_WINDOW
1624	<	&& p->viAppleID == APPLE_W_640x480
1625	<	&& p->viAppleMode == default_mode) {
1626	<	cur_mode = p - VModes;
1627	<	break;
1622	>	if (has_dga && screen_modes) {
1623	>	int screen_width = DisplayWidth(x_display, screen);
1624	>	int screen_height = DisplayHeight(x_display, screen);
1625	>	int apple_id = find_apple_resolution(screen_width, screen_height);
1626	>	if (apple_id != -1)
1627	>	cur_mode = find_mode(default_mode, apple_id, DIS_SCREEN);
1628	>	} else if (has_dga && mode_str)
1629	>	cur_mode = find_mode(default_mode, APPLE_CUSTOM, DIS_SCREEN);
1630	>
1631	>	if (cur_mode == -1) {
1632	>	// pick up first windowed mode available
1633	>	for (VideoInfo *p = VModes; p->viType != DIS_INVALID; p++) {
1634	>	if (p->viType == DIS_WINDOW && p->viAppleMode == default_mode) {
1635	>	cur_mode = p - VModes;
1636	>	break;
1637	>	}
1638		}
1639		}
1640		assert(cur_mode != -1);
#	Line 1093 | Line 1647 | bool VideoInit(void)
1647		}
1648		#endif
1649
1096	–	#ifdef ENABLE_XF86_DGA
1097	–	if (has_dga && screen_modes) {
1098	–	int v_bank, v_size;
1099	–	XF86DGAGetVideo(x_display, screen, &dga_screen_base, &dga_fb_width, &v_bank, &v_size);
1100	–	D(bug("DGA screen_base %p, v_width %d\n", dga_screen_base, dga_fb_width));
1101	–	}
1102	–	#endif
1103	–
1650		// Open window/screen
1651	<	if (!open_display())
1651	>	if (!open_display()) {
1652	>	ErrorAlert(GetString(STR_OPEN_WINDOW_ERR));
1653		return false;
1654	+	}
1655
1656		#if 0
1657		// Ignore errors from now on
1658		XSetErrorHandler(ignore_errors);
1659		#endif
1660
1661	+	// Lock down frame buffer
1662	+	XSync(x_display, false);
1663	+	LOCK_FRAME_BUFFER;
1664	+
1665		// Start periodic thread
1666		XSync(x_display, false);
1667	<	redraw_thread_active = (pthread_create(&redraw_thread, NULL, redraw_func, NULL) == 0);
1667	>	if (sem_init(&thread_stop_ack, 0, 0) < 0)
1668	>	return false;
1669	>	if (sem_init(&thread_resume_req, 0, 0) < 0)
1670	>	return false;
1671	>	Set_pthread_attr(&redraw_thread_attr, 0);
1672	>	redraw_thread_cancel = false;
1673	>	redraw_thread_active = (pthread_create(&redraw_thread, &redraw_thread_attr, redraw_func, NULL) == 0);
1674		D(bug("Redraw thread installed (%ld)\n", redraw_thread));
1675		return true;
1676		}
#	Line 1126 | Line 1684 | void VideoExit(void)
1684		{
1685		// Stop redraw thread
1686		if (redraw_thread_active) {
1687	+	redraw_thread_cancel = true;
1688		pthread_cancel(redraw_thread);
1689		pthread_join(redraw_thread, NULL);
1690	+	sem_destroy(&thread_stop_ack);
1691	+	sem_destroy(&thread_resume_req);
1692		redraw_thread_active = false;
1693		}
1694
1695	+	// Unlock frame buffer
1696	+	UNLOCK_FRAME_BUFFER;
1697	+	XSync(x_display, false);
1698	+	D(bug(" frame buffer unlocked\n"));
1699	+
1700		#ifdef ENABLE_VOSF
1701		if (use_vosf) {
1702		// Deinitialize VOSF
#	Line 1145 | Line 1711 | void VideoExit(void)
1711		XFlush(x_display);
1712		XSync(x_display, false);
1713		}
1714	+
1715	+	#ifdef ENABLE_FBDEV_DGA
1716	+	// Close framebuffer device
1717	+	if (fb_dev_fd >= 0) {
1718	+	close(fb_dev_fd);
1719	+	fb_dev_fd = -1;
1720	+	}
1721	+	#endif
1722		}
1723
1724
#	Line 1152 | Line 1726 | void VideoExit(void)
1726		*  Suspend/resume emulator
1727		*/
1728
1155	–	extern void PauseEmulator(void);
1156	–	extern void ResumeEmulator(void);
1157	–
1729		static void suspend_emul(void)
1730		{
1731		if (display_type == DIS_SCREEN) {
#	Line 1162 | Line 1733 | static void suspend_emul(void)
1733		ADBKeyUp(0x36);
1734		ctrl_down = false;
1735
1736	<	// Pause MacOS thread
1737	<	PauseEmulator();
1167	<	emul_suspended = true;
1736	>	// Lock frame buffer (this will stop the MacOS thread)
1737	>	LOCK_FRAME_BUFFER;
1738
1739		// Save frame buffer
1740		fb_save = malloc(VModes[cur_mode].viYsize * VModes[cur_mode].viRowBytes);
1741		if (fb_save)
1742	<	memcpy(fb_save, (void *)screen_base, VModes[cur_mode].viYsize * VModes[cur_mode].viRowBytes);
1742	>	Mac2Host_memcpy(fb_save, screen_base, VModes[cur_mode].viYsize * VModes[cur_mode].viRowBytes);
1743
1744		// Close full screen display
1745	+	#if defined(ENABLE_XF86_DGA) || defined(ENABLE_FBDEV_DGA)
1746		#ifdef ENABLE_XF86_DGA
1747	<	XF86DGADirectVideo(x_display, screen, 0);
1747	>	if (!is_fbdev_dga_mode)
1748	>	XF86DGADirectVideo(x_display, screen, 0);
1749	>	#endif
1750		XUngrabPointer(x_display, CurrentTime);
1751		XUngrabKeyboard(x_display, CurrentTime);
1752		#endif
1753	+	restore_mouse_accel();
1754	+	XUnmapWindow(x_display, the_win);
1755	+	wait_unmapped(the_win);
1756		XSync(x_display, false);
1757
1758		// Open "suspend" window
1759		XSetWindowAttributes wattr;
1760		wattr.event_mask = KeyPressMask;
1761	<	wattr.background_pixel = black_pixel;
1186	<	wattr.border_pixel = black_pixel;
1761	>	wattr.background_pixel = (vis == DefaultVisual(x_display, screen) ? black_pixel : 0);
1762		wattr.backing_store = Always;
1763	<	wattr.backing_planes = xdepth;
1764	<	wattr.colormap = DefaultColormap(x_display, screen);
1190	<	XSync(x_display, false);
1763	>	wattr.colormap = (depth == 1 ? DefaultColormap(x_display, screen) : cmap[0]);
1764	>
1765		suspend_win = XCreateWindow(x_display, rootwin, 0, 0, 512, 1, 0, xdepth,
1766	<	InputOutput, vis, CWEventMask | CWBackPixel | CWBorderPixel |
1767	<	CWBackingStore | CWBackingPlanes | (xdepth == 8 ? CWColormap : 0), &wattr);
1768	<	XSync(x_display, false);
1769	<	XStoreName(x_display, suspend_win, GetString(STR_SUSPEND_WINDOW_TITLE));
1770	<	XMapRaised(x_display, suspend_win);
1197	<	XSync(x_display, false);
1766	>	InputOutput, vis, CWEventMask | CWBackPixel | CWBackingStore | CWColormap, &wattr);
1767	>	set_window_name(suspend_win, STR_SUSPEND_WINDOW_TITLE);
1768	>	set_window_focus(suspend_win);
1769	>	XMapWindow(x_display, suspend_win);
1770	>	emul_suspended = true;
1771		}
1772		}
1773
#	Line 1205 | Line 1778 | static void resume_emul(void)
1778		XSync(x_display, false);
1779
1780		// Reopen full screen display
1781	<	XGrabKeyboard(x_display, rootwin, 1, GrabModeAsync, GrabModeAsync, CurrentTime);
1782	<	XGrabPointer(x_display, rootwin, 1, PointerMotionMask | ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
1781	>	XMapRaised(x_display, the_win);
1782	>	wait_mapped(the_win);
1783	>	XWarpPointer(x_display, None, rootwin, 0, 0, 0, 0, 0, 0);
1784	>	Window w = is_fbdev_dga_mode ? the_win : rootwin;
1785	>	XGrabKeyboard(x_display, w, True, GrabModeAsync, GrabModeAsync, CurrentTime);
1786	>	XGrabPointer(x_display, w, True, PointerMotionMask | ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, is_fbdev_dga_mode ? w : None, None, CurrentTime);
1787	>	disable_mouse_accel();
1788		#ifdef ENABLE_XF86_DGA
1789	<	XF86DGADirectVideo(x_display, screen, XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse);
1790	<	XF86DGASetViewPort(x_display, screen, 0, 0);
1789	>	if (!is_fbdev_dga_mode) {
1790	>	XF86DGADirectVideo(x_display, screen, XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse);
1791	>	XF86DGASetViewPort(x_display, screen, 0, 0);
1792	>	}
1793		#endif
1794		XSync(x_display, false);
1795
#	Line 1220 | Line 1800 | static void resume_emul(void)
1800		if (use_vosf) {
1801		LOCK_VOSF;
1802		PFLAG_SET_ALL;
1223	–	UNLOCK_VOSF;
1803		memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
1804	+	UNLOCK_VOSF;
1805		}
1806		#endif
1807
#	Line 1231 | Line 1811 | static void resume_emul(void)
1811		// Don't copy fb_save to the temporary frame buffer in VOSF mode
1812		if (!use_vosf)
1813		#endif
1814	<	memcpy((void *)screen_base, fb_save, VModes[cur_mode].viYsize * VModes[cur_mode].viRowBytes);
1814	>	Host2Mac_memcpy(screen_base, fb_save, VModes[cur_mode].viYsize * VModes[cur_mode].viRowBytes);
1815		free(fb_save);
1816		fb_save = NULL;
1817		}
1238	–	if (depth == 8)
1239	–	palette_changed = true;
1818
1819	<	// Resume MacOS thread
1819	>	// Unlock frame buffer (and continue MacOS thread)
1820	>	UNLOCK_FRAME_BUFFER;
1821		emul_suspended = false;
1243	–	ResumeEmulator();
1822		}
1823
1824
#	Line 1404 | Line 1982 | static int kc_decode(KeySym ks)
1982		return -1;
1983		}
1984
1985	<	static int event2keycode(XKeyEvent &ev)
1985	>	static int event2keycode(XKeyEvent &ev, bool key_down)
1986		{
1987		KeySym ks;
1410	–	int as;
1988		int i = 0;
1989
1990		do {
1991		ks = XLookupKeysym(&ev, i++);
1992	<	as = kc_decode(ks);
1993	<	if (as != -1)
1992	>	int as = kc_decode(ks);
1993	>	if (as >= 0)
1994	>	return as;
1995	>	if (as == -2)
1996		return as;
1997		} while (ks != NoSymbol);
1998
#	Line 1475 | Line 2054 | static void handle_events(void)
2054		break;
2055		}
2056
2057	<	// Mouse moved
2057	>	// Mouse entered window
2058		case EnterNotify:
2059	<	ADBMouseMoved(((XMotionEvent *)&event)->x, ((XMotionEvent *)&event)->y);
2059	>	if (event.xcrossing.mode != NotifyGrab && event.xcrossing.mode != NotifyUngrab)
2060	>	ADBMouseMoved(event.xmotion.x, event.xmotion.y);
2061		break;
2062	+
2063	+	// Mouse moved
2064		case MotionNotify:
2065	<	ADBMouseMoved(((XMotionEvent *)&event)->x, ((XMotionEvent *)&event)->y);
2065	>	ADBMouseMoved(event.xmotion.x, event.xmotion.y);
2066		break;
2067
2068		// Keyboard
2069		case KeyPress: {
2070	<	int code = event2keycode(event.xkey);
2071	<	if (use_keycodes && code != -1)
2072	<	code = keycode_table[event.xkey.keycode & 0xff];
2073	<	if (code != -1) {
2070	>	int code = -1;
2071	>	if (use_keycodes) {
2072	>	if (event2keycode(event.xkey, true) != -2)      // This is called to process the hotkeys
2073	>	code = keycode_table[event.xkey.keycode & 0xff];
2074	>	} else
2075	>	code = event2keycode(event.xkey, true);
2076	>	if (code >= 0) {
2077		if (!emul_suspended) {
2078	<	ADBKeyDown(code);
2078	>	if (code == 0x39) {     // Caps Lock pressed
2079	>	if (caps_on) {
2080	>	ADBKeyUp(code);
2081	>	caps_on = false;
2082	>	} else {
2083	>	ADBKeyDown(code);
2084	>	caps_on = true;
2085	>	}
2086	>	} else
2087	>	ADBKeyDown(code);
2088		if (code == 0x36)
2089		ctrl_down = true;
2090		} else {
#	Line 1501 | Line 2095 | static void handle_events(void)
2095		break;
2096		}
2097		case KeyRelease: {
2098	<	int code = event2keycode(event.xkey);
2099	<	if (use_keycodes && code != 1)
2100	<	code = keycode_table[event.xkey.keycode & 0xff];
2101	<	if (code != -1) {
2098	>	int code = -1;
2099	>	if (use_keycodes) {
2100	>	if (event2keycode(event.xkey, false) != -2)     // This is called to process the hotkeys
2101	>	code = keycode_table[event.xkey.keycode & 0xff];
2102	>	} else
2103	>	code = event2keycode(event.xkey, false);
2104	>	if (code >= 0 && code != 0x39) {        // Don't propagate Caps Lock releases
2105		ADBKeyUp(code);
2106		if (code == 0x36)
2107		ctrl_down = false;
#	Line 1518 | Line 2115 | static void handle_events(void)
2115		if (use_vosf) {                 // VOSF refresh
2116		LOCK_VOSF;
2117		PFLAG_SET_ALL;
2118	+	memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
2119		UNLOCK_VOSF;
2120		}
2121	+	else
2122		#endif
2123	<	memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
2123	>	memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
2124		break;
2125		}
2126		}
#	Line 1537 | Line 2136 | void VideoVBL(void)
2136		if (emerg_quit)
2137		QuitEmulator();
2138
2139	+	// Temporarily give up frame buffer lock (this is the point where
2140	+	// we are suspended when the user presses Ctrl-Tab)
2141	+	UNLOCK_FRAME_BUFFER;
2142	+	LOCK_FRAME_BUFFER;
2143	+
2144		// Execute video VBL
2145		if (private_data != NULL && private_data->interruptsEnabled)
2146		VSLDoInterruptService(private_data->vslServiceID);
#	Line 1544 | Line 2148 | void VideoVBL(void)
2148
2149
2150		/*
1547	–	*  Install graphics acceleration
1548	–	*/
1549	–
1550	–	#if 0
1551	–	// Rectangle blitting
1552	–	static void accl_bitblt(accl_params *p)
1553	–	{
1554	–	D(bug("accl_bitblt\n"));
1555	–
1556	–	// Get blitting parameters
1557	–	int16 src_X = p->src_rect[1] - p->src_bounds[1];
1558	–	int16 src_Y = p->src_rect[0] - p->src_bounds[0];
1559	–	int16 dest_X = p->dest_rect[1] - p->dest_bounds[1];
1560	–	int16 dest_Y = p->dest_rect[0] - p->dest_bounds[0];
1561	–	int16 width = p->dest_rect[3] - p->dest_rect[1] - 1;
1562	–	int16 height = p->dest_rect[2] - p->dest_rect[0] - 1;
1563	–	D(bug(" src X %d, src Y %d, dest X %d, dest Y %d\n", src_X, src_Y, dest_X, dest_Y));
1564	–	D(bug(" width %d, height %d\n", width, height));
1565	–
1566	–	// And perform the blit
1567	–	bitblt_hook(src_X, src_Y, dest_X, dest_Y, width, height);
1568	–	}
1569	–
1570	–	static bool accl_bitblt_hook(accl_params *p)
1571	–	{
1572	–	D(bug("accl_draw_hook %p\n", p));
1573	–
1574	–	// Check if we can accelerate this bitblt
1575	–	if (p->src_base_addr == screen_base && p->dest_base_addr == screen_base &&
1576	–	display_type == DIS_SCREEN && bitblt_hook != NULL &&
1577	–	((uint32 *)p)[0x18 >> 2] + ((uint32 *)p)[0x128 >> 2] == 0 &&
1578	–	((uint32 *)p)[0x130 >> 2] == 0 &&
1579	–	p->transfer_mode == 0 &&
1580	–	p->src_row_bytes > 0 && ((uint32 *)p)[0x15c >> 2] > 0) {
1581	–
1582	–	// Yes, set function pointer
1583	–	p->draw_proc = accl_bitblt;
1584	–	return true;
1585	–	}
1586	–	return false;
1587	–	}
1588	–
1589	–	// Rectangle filling/inversion
1590	–	static void accl_fillrect8(accl_params *p)
1591	–	{
1592	–	D(bug("accl_fillrect8\n"));
1593	–
1594	–	// Get filling parameters
1595	–	int16 dest_X = p->dest_rect[1] - p->dest_bounds[1];
1596	–	int16 dest_Y = p->dest_rect[0] - p->dest_bounds[0];
1597	–	int16 dest_X_max = p->dest_rect[3] - p->dest_bounds[1] - 1;
1598	–	int16 dest_Y_max = p->dest_rect[2] - p->dest_bounds[0] - 1;
1599	–	uint8 color = p->pen_mode == 8 ? p->fore_pen : p->back_pen;
1600	–	D(bug(" dest X %d, dest Y %d\n", dest_X, dest_Y));
1601	–	D(bug(" dest X max %d, dest Y max %d\n", dest_X_max, dest_Y_max));
1602	–
1603	–	// And perform the fill
1604	–	fillrect8_hook(dest_X, dest_Y, dest_X_max, dest_Y_max, color);
1605	–	}
1606	–
1607	–	static void accl_fillrect32(accl_params *p)
1608	–	{
1609	–	D(bug("accl_fillrect32\n"));
1610	–
1611	–	// Get filling parameters
1612	–	int16 dest_X = p->dest_rect[1] - p->dest_bounds[1];
1613	–	int16 dest_Y = p->dest_rect[0] - p->dest_bounds[0];
1614	–	int16 dest_X_max = p->dest_rect[3] - p->dest_bounds[1] - 1;
1615	–	int16 dest_Y_max = p->dest_rect[2] - p->dest_bounds[0] - 1;
1616	–	uint32 color = p->pen_mode == 8 ? p->fore_pen : p->back_pen;
1617	–	D(bug(" dest X %d, dest Y %d\n", dest_X, dest_Y));
1618	–	D(bug(" dest X max %d, dest Y max %d\n", dest_X_max, dest_Y_max));
1619	–
1620	–	// And perform the fill
1621	–	fillrect32_hook(dest_X, dest_Y, dest_X_max, dest_Y_max, color);
1622	–	}
1623	–
1624	–	static void accl_invrect(accl_params *p)
1625	–	{
1626	–	D(bug("accl_invrect\n"));
1627	–
1628	–	// Get inversion parameters
1629	–	int16 dest_X = p->dest_rect[1] - p->dest_bounds[1];
1630	–	int16 dest_Y = p->dest_rect[0] - p->dest_bounds[0];
1631	–	int16 dest_X_max = p->dest_rect[3] - p->dest_bounds[1] - 1;
1632	–	int16 dest_Y_max = p->dest_rect[2] - p->dest_bounds[0] - 1;
1633	–	D(bug(" dest X %d, dest Y %d\n", dest_X, dest_Y));
1634	–	D(bug(" dest X max %d, dest Y max %d\n", dest_X_max, dest_Y_max));
1635	–
1636	–	//!!?? pen_mode == 14
1637	–
1638	–	// And perform the inversion
1639	–	invrect_hook(dest_X, dest_Y, dest_X_max, dest_Y_max);
1640	–	}
1641	–
1642	–	static bool accl_fillrect_hook(accl_params *p)
1643	–	{
1644	–	D(bug("accl_fillrect_hook %p\n", p));
1645	–
1646	–	// Check if we can accelerate this fillrect
1647	–	if (p->dest_base_addr == screen_base && ((uint32 *)p)[0x284 >> 2] != 0 && display_type == DIS_SCREEN) {
1648	–	if (p->transfer_mode == 8) {
1649	–	// Fill
1650	–	if (p->dest_pixel_size == 8 && fillrect8_hook != NULL) {
1651	–	p->draw_proc = accl_fillrect8;
1652	–	return true;
1653	–	} else if (p->dest_pixel_size == 32 && fillrect32_hook != NULL) {
1654	–	p->draw_proc = accl_fillrect32;
1655	–	return true;
1656	–	}
1657	–	} else if (p->transfer_mode == 10 && invrect_hook != NULL) {
1658	–	// Invert
1659	–	p->draw_proc = accl_invrect;
1660	–	return true;
1661	–	}
1662	–	}
1663	–	return false;
1664	–	}
1665	–
1666	–	// Wait for graphics operation to finish
1667	–	static bool accl_sync_hook(void *arg)
1668	–	{
1669	–	D(bug("accl_sync_hook %p\n", arg));
1670	–	if (sync_hook != NULL)
1671	–	sync_hook();
1672	–	return true;
1673	–	}
1674	–
1675	–	static struct accl_hook_info bitblt_hook_info = {accl_bitblt_hook, accl_sync_hook, ACCL_BITBLT};
1676	–	static struct accl_hook_info fillrect_hook_info = {accl_fillrect_hook, accl_sync_hook, ACCL_FILLRECT};
1677	–	#endif
1678	–
1679	–	void VideoInstallAccel(void)
1680	–	{
1681	–	// Install acceleration hooks
1682	–	if (PrefsFindBool("gfxaccel")) {
1683	–	D(bug("Video: Installing acceleration hooks\n"));
1684	–	//!!    NQDMisc(6, &bitblt_hook_info);
1685	–	//              NQDMisc(6, &fillrect_hook_info);
1686	–	}
1687	–	}
1688	–
1689	–
1690	–	/*
2151		*  Change video mode
2152		*/
2153
#	Line 1706 | Line 2166 | int16 video_mode_change(VidLocals *csSav
2166		csSave->savePage = ReadMacInt16(ParamPtr + csPage);
2167
2168		// Disable interrupts and pause redraw thread
1709	–	DisableInterrupt();
1710	–	thread_stop_ack = false;
2169		thread_stop_req = true;
2170	<	while (!thread_stop_ack) ;
2170	>	sem_wait(&thread_stop_ack);
2171	>	thread_stop_req = false;
2172	>	DisableInterrupt();
2173
2174		/* close old display */
2175		close_display();
#	Line 1730 | Line 2190 | int16 video_mode_change(VidLocals *csSav
2190		csSave->saveMode=VModes[cur_mode].viAppleMode;
2191
2192		// Enable interrupts and resume redraw thread
1733	–	thread_stop_req = false;
2193		EnableInterrupt();
2194	+	sem_post(&thread_resume_req);
2195		return noErr;
2196		}
2197		}
#	Line 1777 | Line 2237 | void video_set_palette(void)
2237		// We have to redraw everything because the interpretation of pixel values changed
2238		LOCK_VOSF;
2239		PFLAG_SET_ALL;
2240	+	if (display_type == DIS_SCREEN)
2241	+	PFLAG_SET_VERY_DIRTY;
2242		UNLOCK_VOSF;
1781	–	memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
2243		}
2244		#endif
2245
#	Line 1790 | Line 2251 | void video_set_palette(void)
2251
2252
2253		/*
2254	+	*  Can we set the MacOS cursor image into the window?
2255	+	*/
2256	+
2257	+	bool video_can_change_cursor(void)
2258	+	{
2259	+	return hw_mac_cursor_accl && (display_type != DIS_SCREEN);
2260	+	}
2261	+
2262	+
2263	+	/*
2264		*  Set cursor image for window
2265		*/
2266
#	Line 1950 | Line 2421 | static void handle_palette_changes(void)
2421		}
2422
2423		#ifdef ENABLE_XF86_DGA
2424	<	if (display_type == DIS_SCREEN) {
2424	>	if (display_type == DIS_SCREEN && !is_fbdev_dga_mode) {
2425		current_dga_cmap ^= 1;
2426		if (!IsDirectMode(mode) && cmap[current_dga_cmap])
2427		XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
#	Line 1969 | Line 2440 | static void *redraw_func(void *arg)
2440		int64 ticks = 0;
2441		uint64 next = GetTicks_usec() + VIDEO_REFRESH_DELAY;
2442
2443	<	for (;;) {
2443	>	while (!redraw_thread_cancel) {
2444
2445		// Pause if requested (during video mode switches)
2446	<	while (thread_stop_req)
2447	<	thread_stop_ack = true;
2446	>	if (thread_stop_req) {
2447	>	sem_post(&thread_stop_ack);
2448	>	sem_wait(&thread_resume_req);
2449	>	}
2450
2451		int64 delay = next - GetTicks_usec();
2452		if (delay < -VIDEO_REFRESH_DELAY) {
#	Line 1995 | Line 2468 | static void *redraw_func(void *arg)
2468		quit_full_screen = false;
2469		if (display_type == DIS_SCREEN) {
2470		XDisplayLock();
2471	+	#if defined(ENABLE_XF86_DGA) || defined(ENABLE_FBDEV_DGA)
2472		#ifdef ENABLE_XF86_DGA
2473	<	XF86DGADirectVideo(x_display, screen, 0);
2473	>	if (!is_fbdev_dga_mode)
2474	>	XF86DGADirectVideo(x_display, screen, 0);
2475	>	#endif
2476		XUngrabPointer(x_display, CurrentTime);
2477		XUngrabKeyboard(x_display, CurrentTime);
2478	+	XUnmapWindow(x_display, the_win);
2479	+	wait_unmapped(the_win);
2480	+	XDestroyWindow(x_display, the_win);
2481		#endif
2482		XSync(x_display, false);
2483		XDisplayUnlock();
#	Line 2031 | Line 2510 | static void *redraw_func(void *arg)
2510		update_display();
2511
2512		// Set new cursor image if it was changed
2513	<	if (cursor_changed) {
2513	>	if (hw_mac_cursor_accl && cursor_changed) {
2514		cursor_changed = false;
2515	<	memcpy(cursor_image->data, MacCursor + 4, 32);
2516	<	memcpy(cursor_mask_image->data, MacCursor + 36, 32);
2515	>	uint8 *x_data = (uint8 *)cursor_image->data;
2516	>	uint8 *x_mask = (uint8 *)cursor_mask_image->data;
2517	>	for (int i = 0; i < 32; i++) {
2518	>	x_mask[i] = MacCursor[4 + i] | MacCursor[36 + i];
2519	>	x_data[i] = MacCursor[4 + i];
2520	>	}
2521		XDisplayLock();
2522		XFreeCursor(x_display, mac_cursor);
2523		XPutImage(x_display, cursor_map, cursor_gc, cursor_image, 0, 0, 0, 0, 16, 16);
#	Line 2077 | Line 2560 | static void *redraw_func(void *arg)
2560		}
2561		return NULL;
2562		}
2563	+
2564	+
2565	+	/*
2566	+	*  Record dirty area from NQD
2567	+	*/
2568	+
2569	+	void video_set_dirty_area(int x, int y, int w, int h)
2570	+	{
2571	+	VideoInfo const & mode = VModes[cur_mode];
2572	+	const int screen_width = VIDEO_MODE_X;
2573	+	const int screen_height = VIDEO_MODE_Y;
2574	+	const int bytes_per_row = VIDEO_MODE_ROW_BYTES;
2575	+
2576	+	#ifdef ENABLE_VOSF
2577	+	if (use_vosf) {
2578	+	vosf_set_dirty_area(x, y, w, h, screen_width, screen_height, bytes_per_row);
2579	+	return;
2580	+	}
2581	+	#endif
2582	+
2583	+	// XXX handle dirty bounding boxes for non-VOSF modes
2584	+	}

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