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

Comparing SheepShaver/src/Unix/video_x.cpp (file contents):
Revision 1.33 by gbeauche, 2004-11-13T14:09:16Z vs.
Revision 1.50 by gbeauche, 2008-01-01T09:47:39Z

#	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>
51		#endif
#	Line 39 | Line 54
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 69 | Line 88 | static pthread_attr_t redraw_thread_attr
88		static volatile bool redraw_thread_cancel;      // Flag: Cancel Redraw thread
89		static pthread_t redraw_thread;                         // Redraw thread
90
72	–	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 109 | Line 129 | 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 131 | 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 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 140 | Line 170 | static int num_x_video_modes;
170		#endif
171
172		// Mutex to protect palette
173	<	#ifdef HAVE_SPINLOCKS
144	<	static spinlock_t x_palette_lock = SPIN_LOCK_UNLOCKED;
145	<	#define LOCK_PALETTE spin_lock(&x_palette_lock)
146	<	#define UNLOCK_PALETTE spin_unlock(&x_palette_lock)
147	<	#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 364 | 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 389 | Line 463 | static 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 421 | 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 550 | 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);
#	Line 642 | 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));
#	Line 654 | Line 925 | static bool open_display(void)
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;
#	Line 726 | 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 777 | Line 1064 | static void close_window(void)
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);
787	–	#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 861 | Line 1177 | static void close_display(void)
1177		}
1178		}
1179		#endif
1180	+
1181	+	// Restore mouse acceleration
1182	+	restore_mouse_accel();
1183		}
1184
1185
#	Line 892 | Line 1211 | static void keycode_init(void)
1211
1212		// Search for server vendor string, then read keycodes
1213		const char *vendor = ServerVendor(x_display);
895	–	#if (defined(__APPLE__) && defined(__MACH__))
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";
900	–	#endif
1218		bool vendor_found = false;
1219		char line[256];
1220		while (fgets(line, 255, f)) {
#	Line 972 | Line 1289 | static int find_mode(int apple_mode, int
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	<	p->viXsize = 1152;
1326	<	p->viYsize = 768;
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);
1013	<	p->viAppleMode = apple_mode;
1014	<	p->viAppleID = apple_id;
1015	<	p++;
1341	>	add_custom_mode(p, type, x, y, apple_mode, apple_id);
1342		}
1343		}
1344
#	Line 1026 | 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 1081 | Line 1408 | bool VideoInit(void)
1408		#ifdef ENABLE_XF86_DGA
1409		// DGA available?
1410		int event_base, error_base;
1411	+	is_fbdev_dga_mode = false;
1412		if (local_X11 && XF86DGAQueryExtension(x_display, &event_base, &error_base)) {
1413		int dga_flags = 0;
1414		XF86DGAQueryDirectVideo(x_display, screen, &dga_flags);
1415		has_dga = dga_flags & XF86DGADirectPresent;
1416	+	#if defined(__linux__)
1417	+	// Check r/w permission on /dev/mem for DGA mode to work
1418	+	if (has_dga && access("/dev/mem", R_OK | W_OK) != 0)
1419	+	has_dga = false;
1420	+	#endif
1421		} else
1422		has_dga = false;
1423		#endif
#	Line 1093 | Line 1426 | bool VideoInit(void)
1426		// VidMode available?
1427		int vm_event_base, vm_error_base;
1428		has_vidmode = XF86VidModeQueryExtension(x_display, &vm_event_base, &vm_error_base);
1429	<	if (has_vidmode)
1429	>	if (has_vidmode) {
1430	>	int vm_major_version, vm_minor_version;
1431	>	XF86VidModeQueryVersion(x_display, &vm_major_version, &vm_minor_version);
1432	>	D(bug("VidMode extension %d.%d available\n", vm_major_version, vm_minor_version));
1433		XF86VidModeGetAllModeLines(x_display, screen, &num_x_video_modes, &x_video_modes);
1434	+	}
1435	+	#endif
1436	+
1437	+	#ifdef ENABLE_FBDEV_DGA
1438	+	// FBDev available?
1439	+	bool has_fbdev_dga = false;
1440	+	if (local_X11) {
1441	+	if ((fb_dev_fd = open("/dev/fb0", O_RDWR)) > 0) {
1442	+	if (ioctl(fb_dev_fd, FBIOGET_VSCREENINFO, &fb_vinfo) != 0)
1443	+	close(fb_dev_fd);
1444	+	else {
1445	+	has_fbdev_dga = true;
1446	+	if (!has_dga) {
1447	+	// Fallback to FBDev DGA mode if XF86 DGA is not possible
1448	+	has_dga = true;
1449	+	is_fbdev_dga_mode = true;
1450	+	}
1451	+	fb_orig_vinfo = fb_vinfo;
1452	+	D(bug("Frame buffer device initial resolution: %dx%dx%d\n", fb_vinfo.xres, fb_vinfo.yres, fb_vinfo.bits_per_pixel));
1453	+	}
1454	+	}
1455	+	}
1456		#endif
1457
1458		// Find black and white colors
#	Line 1122 | Line 1480 | bool VideoInit(void)
1480		break;
1481		}
1482
1483	+	// Get screen mode from preferences
1484	+	const char *mode_str = PrefsFindString("screen");
1485	+	int default_width = 640, default_height = 480;
1486	+	if (mode_str) {
1487	+	display_type = DIS_INVALID;
1488	+	if (sscanf(mode_str, "win/%d/%d", &default_width, &default_height) == 2)
1489	+	display_type = DIS_WINDOW;
1490	+	#ifdef ENABLE_XF86_DGA
1491	+	else if (has_dga && sscanf(mode_str, "dga/%d/%d", &default_width, &default_height) == 2)
1492	+	display_type = DIS_SCREEN;
1493	+	#endif
1494	+	#ifdef ENABLE_FBDEV_DGA
1495	+	else if (has_fbdev_dga && sscanf(mode_str, "fbdev/%d/%d", &default_width, &default_height) == 2) {
1496	+	is_fbdev_dga_mode = true;
1497	+	display_type = DIS_SCREEN;
1498	+	}
1499	+	#endif
1500	+	if (display_type == DIS_INVALID) {
1501	+	D(bug("Invalid screen mode specified, defaulting to old modes selection\n"));
1502	+	mode_str = NULL;
1503	+	}
1504	+	else {
1505	+	if (default_width <= 0)
1506	+	default_width = DisplayWidth(x_display, screen);
1507	+	else if (default_width > DisplayWidth(x_display, screen))
1508	+	default_width = DisplayWidth(x_display, screen);
1509	+	if (default_height <= 0)
1510	+	default_height = DisplayHeight(x_display, screen);
1511	+	else if (default_height > DisplayHeight(x_display, screen))
1512	+	default_height = DisplayHeight(x_display, screen);
1513	+	}
1514	+	}
1515	+
1516		// Construct video mode table
1517		uint32 window_modes = PrefsFindInt32("windowmodes");
1518		uint32 screen_modes = PrefsFindInt32("screenmodes");
1519		if (!has_dga)
1520		screen_modes = 0;
1521	<	if (window_modes == 0 && screen_modes == 0)
1521	>	if (mode_str)
1522	>	window_modes = screen_modes = 0;
1523	>	else if (window_modes == 0 && screen_modes == 0)
1524		window_modes |= 3;      // Allow at least 640x480 and 800x600 window modes
1525
1526		VideoInfo *p = VModes;
1527	<	for (unsigned int d = APPLE_1_BIT; d <= APPLE_32_BIT; d++)
1528	<	if (find_visual_for_depth(d))
1529	<	add_window_modes(p, window_modes, d);
1527	>	if (mode_str) {
1528	>	if (display_type == DIS_WINDOW) {
1529	>	for (unsigned int d = APPLE_1_BIT; d <= APPLE_32_BIT; d++) {
1530	>	if (find_visual_for_depth(d)) {
1531	>	if (default_width > 640 && default_height > 480)
1532	>	add_mode(p, 3, 1, d, APPLE_W_640x480, DIS_WINDOW);
1533	>	if (default_width > 800 && default_height > 600)
1534	>	add_mode(p, 3, 2, d, APPLE_W_800x600, DIS_WINDOW);
1535	>	add_custom_mode(p, display_type, default_width, default_height, d, APPLE_CUSTOM);
1536	>	}
1537	>	}
1538	>	#ifdef ENABLE_VOSF
1539	>	} else if (display_type == DIS_SCREEN && is_fbdev_dga_mode) {
1540	>	for (unsigned int d = APPLE_1_BIT; d <= default_mode; d++)
1541	>	if (find_visual_for_depth(d))
1542	>	add_custom_mode(p, display_type, default_width, default_height, d, APPLE_CUSTOM);
1543	>	#endif
1544	>	} else
1545	>	add_custom_mode(p, display_type, default_width, default_height, default_mode, APPLE_CUSTOM);
1546
1547	<	if (has_vidmode) {
1547	>	// Add extra VidMode capable modes
1548	>	if (display_type == DIS_SCREEN) {
1549	>	struct {
1550	>	int w;
1551	>	int h;
1552	>	int apple_id;
1553	>	}
1554	>	video_modes[] = {
1555	>	{  640,  480, APPLE_640x480   },
1556	>	{  800,  600, APPLE_800x600   },
1557	>	{ 1024,  768, APPLE_1024x768  },
1558	>	{ 1152,  768, APPLE_1152x768  },
1559	>	{ 1152,  900, APPLE_1152x900  },
1560	>	{ 1280, 1024, APPLE_1280x1024 },
1561	>	{ 1600, 1200, APPLE_1600x1200 },
1562	>	{ 0, }
1563	>	};
1564	>
1565	>	for (int i = 0; video_modes[i].w != 0; i++) {
1566	>	const int w = video_modes[i].w;
1567	>	const int h = video_modes[i].h;
1568	>	if (w >= default_width || h >= default_height)
1569	>	continue;
1570	>	if (has_mode(w, h)) {
1571	>	#ifdef ENABLE_VOSF
1572	>	if (is_fbdev_dga_mode) {
1573	>	for (unsigned int d = APPLE_1_BIT; d <= default_mode; d++)
1574	>	if (find_visual_for_depth(d))
1575	>	add_custom_mode(p, display_type, w, h, d, video_modes[i].apple_id);
1576	>	} else
1577	>	#endif
1578	>	add_custom_mode(p, display_type, w, h, default_mode, video_modes[i].apple_id);
1579	>	}
1580	>	}
1581	>	}
1582	>	} else if (window_modes) {
1583	>	for (unsigned int d = APPLE_1_BIT; d <= APPLE_32_BIT; d++)
1584	>	if (find_visual_for_depth(d))
1585	>	add_window_modes(p, window_modes, d);
1586	>	} else if (has_vidmode) {
1587		if (has_mode(640, 480))
1588		add_mode(p, screen_modes, 1, default_mode, APPLE_640x480, DIS_SCREEN);
1589		if (has_mode(800, 600))
#	Line 1176 | Line 1624 | bool VideoInit(void)
1624		int apple_id = find_apple_resolution(screen_width, screen_height);
1625		if (apple_id != -1)
1626		cur_mode = find_mode(default_mode, apple_id, DIS_SCREEN);
1627	<	}
1627	>	} else if (has_dga && mode_str)
1628	>	cur_mode = find_mode(default_mode, APPLE_CUSTOM, DIS_SCREEN);
1629	>
1630		if (cur_mode == -1) {
1631		// pick up first windowed mode available
1632		for (VideoInfo *p = VModes; p->viType != DIS_INVALID; p++) {
#	Line 1197 | Line 1647 | bool VideoInit(void)
1647		#endif
1648
1649		// Open window/screen
1650	<	if (!open_display())
1650	>	if (!open_display()) {
1651	>	ErrorAlert(GetString(STR_OPEN_WINDOW_ERR));
1652		return false;
1653	+	}
1654
1655		#if 0
1656		// Ignore errors from now on
1657		XSetErrorHandler(ignore_errors);
1658		#endif
1659
1660	+	// Lock down frame buffer
1661	+	XSync(x_display, false);
1662	+	LOCK_FRAME_BUFFER;
1663	+
1664		// Start periodic thread
1665		XSync(x_display, false);
1666	+	if (sem_init(&thread_stop_ack, 0, 0) < 0)
1667	+	return false;
1668	+	if (sem_init(&thread_resume_req, 0, 0) < 0)
1669	+	return false;
1670		Set_pthread_attr(&redraw_thread_attr, 0);
1671		redraw_thread_cancel = false;
1672		redraw_thread_active = (pthread_create(&redraw_thread, &redraw_thread_attr, redraw_func, NULL) == 0);
#	Line 1226 | Line 1686 | void VideoExit(void)
1686		redraw_thread_cancel = true;
1687		pthread_cancel(redraw_thread);
1688		pthread_join(redraw_thread, NULL);
1689	+	sem_destroy(&thread_stop_ack);
1690	+	sem_destroy(&thread_resume_req);
1691		redraw_thread_active = false;
1692		}
1693
1694	+	// Unlock frame buffer
1695	+	UNLOCK_FRAME_BUFFER;
1696	+	XSync(x_display, false);
1697	+	D(bug(" frame buffer unlocked\n"));
1698	+
1699		#ifdef ENABLE_VOSF
1700		if (use_vosf) {
1701		// Deinitialize VOSF
#	Line 1243 | Line 1710 | void VideoExit(void)
1710		XFlush(x_display);
1711		XSync(x_display, false);
1712		}
1713	+
1714	+	#ifdef ENABLE_FBDEV_DGA
1715	+	// Close framebuffer device
1716	+	if (fb_dev_fd >= 0) {
1717	+	close(fb_dev_fd);
1718	+	fb_dev_fd = -1;
1719	+	}
1720	+	#endif
1721		}
1722
1723
#	Line 1250 | Line 1725 | void VideoExit(void)
1725		*  Suspend/resume emulator
1726		*/
1727
1253	–	extern void PauseEmulator(void);
1254	–	extern void ResumeEmulator(void);
1255	–
1728		static void suspend_emul(void)
1729		{
1730		if (display_type == DIS_SCREEN) {
#	Line 1260 | Line 1732 | static void suspend_emul(void)
1732		ADBKeyUp(0x36);
1733		ctrl_down = false;
1734
1735	<	// Pause MacOS thread
1736	<	PauseEmulator();
1265	<	emul_suspended = true;
1735	>	// Lock frame buffer (this will stop the MacOS thread)
1736	>	LOCK_FRAME_BUFFER;
1737
1738		// Save frame buffer
1739		fb_save = malloc(VModes[cur_mode].viYsize * VModes[cur_mode].viRowBytes);
#	Line 1270 | Line 1741 | static void suspend_emul(void)
1741		Mac2Host_memcpy(fb_save, screen_base, VModes[cur_mode].viYsize * VModes[cur_mode].viRowBytes);
1742
1743		// Close full screen display
1744	+	#if defined(ENABLE_XF86_DGA) || defined(ENABLE_FBDEV_DGA)
1745		#ifdef ENABLE_XF86_DGA
1746	<	XF86DGADirectVideo(x_display, screen, 0);
1746	>	if (!is_fbdev_dga_mode)
1747	>	XF86DGADirectVideo(x_display, screen, 0);
1748	>	#endif
1749		XUngrabPointer(x_display, CurrentTime);
1750		XUngrabKeyboard(x_display, CurrentTime);
1751		#endif
1752	+	restore_mouse_accel();
1753	+	XUnmapWindow(x_display, the_win);
1754	+	wait_unmapped(the_win);
1755		XSync(x_display, false);
1756
1757		// Open "suspend" window
1758		XSetWindowAttributes wattr;
1759		wattr.event_mask = KeyPressMask;
1760	<	wattr.background_pixel = black_pixel;
1284	<	wattr.border_pixel = black_pixel;
1760	>	wattr.background_pixel = (vis == DefaultVisual(x_display, screen) ? black_pixel : 0);
1761		wattr.backing_store = Always;
1762	<	wattr.backing_planes = xdepth;
1763	<	wattr.colormap = DefaultColormap(x_display, screen);
1288	<	XSync(x_display, false);
1762	>	wattr.colormap = (depth == 1 ? DefaultColormap(x_display, screen) : cmap[0]);
1763	>
1764		suspend_win = XCreateWindow(x_display, rootwin, 0, 0, 512, 1, 0, xdepth,
1765	<	InputOutput, vis, CWEventMask | CWBackPixel | CWBorderPixel |
1766	<	CWBackingStore | CWBackingPlanes | (xdepth == 8 ? CWColormap : 0), &wattr);
1767	<	XSync(x_display, false);
1768	<	XStoreName(x_display, suspend_win, GetString(STR_SUSPEND_WINDOW_TITLE));
1769	<	XMapRaised(x_display, suspend_win);
1295	<	XSync(x_display, false);
1765	>	InputOutput, vis, CWEventMask | CWBackPixel | CWBackingStore | CWColormap, &wattr);
1766	>	set_window_name(suspend_win, STR_SUSPEND_WINDOW_TITLE);
1767	>	set_window_focus(suspend_win);
1768	>	XMapWindow(x_display, suspend_win);
1769	>	emul_suspended = true;
1770		}
1771		}
1772
#	Line 1303 | Line 1777 | static void resume_emul(void)
1777		XSync(x_display, false);
1778
1779		// Reopen full screen display
1780	<	XGrabKeyboard(x_display, rootwin, 1, GrabModeAsync, GrabModeAsync, CurrentTime);
1781	<	XGrabPointer(x_display, rootwin, 1, PointerMotionMask | ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
1780	>	XMapRaised(x_display, the_win);
1781	>	wait_mapped(the_win);
1782	>	XWarpPointer(x_display, None, rootwin, 0, 0, 0, 0, 0, 0);
1783	>	Window w = is_fbdev_dga_mode ? the_win : rootwin;
1784	>	XGrabKeyboard(x_display, w, True, GrabModeAsync, GrabModeAsync, CurrentTime);
1785	>	XGrabPointer(x_display, w, True, PointerMotionMask | ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync, is_fbdev_dga_mode ? w : None, None, CurrentTime);
1786	>	disable_mouse_accel();
1787		#ifdef ENABLE_XF86_DGA
1788	<	XF86DGADirectVideo(x_display, screen, XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse);
1789	<	XF86DGASetViewPort(x_display, screen, 0, 0);
1788	>	if (!is_fbdev_dga_mode) {
1789	>	XF86DGADirectVideo(x_display, screen, XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse);
1790	>	XF86DGASetViewPort(x_display, screen, 0, 0);
1791	>	}
1792		#endif
1793		XSync(x_display, false);
1794
#	Line 1318 | Line 1799 | static void resume_emul(void)
1799		if (use_vosf) {
1800		LOCK_VOSF;
1801		PFLAG_SET_ALL;
1321	–	UNLOCK_VOSF;
1802		memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
1803	+	UNLOCK_VOSF;
1804		}
1805		#endif
1806
#	Line 1333 | Line 1814 | static void resume_emul(void)
1814		free(fb_save);
1815		fb_save = NULL;
1816		}
1336	–	if (depth == 8)
1337	–	palette_changed = true;
1817
1818	<	// Resume MacOS thread
1818	>	// Unlock frame buffer (and continue MacOS thread)
1819	>	UNLOCK_FRAME_BUFFER;
1820		emul_suspended = false;
1341	–	ResumeEmulator();
1821		}
1822
1823
#	Line 1635 | Line 2114 | static void handle_events(void)
2114		if (use_vosf) {                 // VOSF refresh
2115		LOCK_VOSF;
2116		PFLAG_SET_ALL;
2117	+	memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
2118		UNLOCK_VOSF;
2119		}
2120	+	else
2121		#endif
2122	<	memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
2122	>	memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
2123		break;
2124		}
2125		}
#	Line 1654 | Line 2135 | void VideoVBL(void)
2135		if (emerg_quit)
2136		QuitEmulator();
2137
2138	+	// Temporarily give up frame buffer lock (this is the point where
2139	+	// we are suspended when the user presses Ctrl-Tab)
2140	+	UNLOCK_FRAME_BUFFER;
2141	+	LOCK_FRAME_BUFFER;
2142	+
2143		// Execute video VBL
2144		if (private_data != NULL && private_data->interruptsEnabled)
2145		VSLDoInterruptService(private_data->vslServiceID);
#	Line 1679 | Line 2165 | int16 video_mode_change(VidLocals *csSav
2165		csSave->savePage = ReadMacInt16(ParamPtr + csPage);
2166
2167		// Disable interrupts and pause redraw thread
1682	–	DisableInterrupt();
1683	–	thread_stop_ack = false;
2168		thread_stop_req = true;
2169	<	while (!thread_stop_ack) ;
2169	>	sem_wait(&thread_stop_ack);
2170	>	thread_stop_req = false;
2171	>	DisableInterrupt();
2172
2173		/* close old display */
2174		close_display();
#	Line 1703 | Line 2189 | int16 video_mode_change(VidLocals *csSav
2189		csSave->saveMode=VModes[cur_mode].viAppleMode;
2190
2191		// Enable interrupts and resume redraw thread
1706	–	thread_stop_req = false;
2192		EnableInterrupt();
2193	+	sem_post(&thread_resume_req);
2194		return noErr;
2195		}
2196		}
#	Line 1750 | Line 2236 | void video_set_palette(void)
2236		// We have to redraw everything because the interpretation of pixel values changed
2237		LOCK_VOSF;
2238		PFLAG_SET_ALL;
2239	+	if (display_type == DIS_SCREEN)
2240	+	PFLAG_SET_VERY_DIRTY;
2241		UNLOCK_VOSF;
1754	–	memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
2242		}
2243		#endif
2244
#	Line 1933 | Line 2420 | static void handle_palette_changes(void)
2420		}
2421
2422		#ifdef ENABLE_XF86_DGA
2423	<	if (display_type == DIS_SCREEN) {
2423	>	if (display_type == DIS_SCREEN && !is_fbdev_dga_mode) {
2424		current_dga_cmap ^= 1;
2425		if (!IsDirectMode(mode) && cmap[current_dga_cmap])
2426		XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
#	Line 1955 | Line 2442 | static void *redraw_func(void *arg)
2442		while (!redraw_thread_cancel) {
2443
2444		// Pause if requested (during video mode switches)
2445	<	while (thread_stop_req)
2446	<	thread_stop_ack = true;
2445	>	if (thread_stop_req) {
2446	>	sem_post(&thread_stop_ack);
2447	>	sem_wait(&thread_resume_req);
2448	>	}
2449
2450		int64 delay = next - GetTicks_usec();
2451		if (delay < -VIDEO_REFRESH_DELAY) {
#	Line 1978 | Line 2467 | static void *redraw_func(void *arg)
2467		quit_full_screen = false;
2468		if (display_type == DIS_SCREEN) {
2469		XDisplayLock();
2470	+	#if defined(ENABLE_XF86_DGA) || defined(ENABLE_FBDEV_DGA)
2471		#ifdef ENABLE_XF86_DGA
2472	<	XF86DGADirectVideo(x_display, screen, 0);
2472	>	if (!is_fbdev_dga_mode)
2473	>	XF86DGADirectVideo(x_display, screen, 0);
2474	>	#endif
2475		XUngrabPointer(x_display, CurrentTime);
2476		XUngrabKeyboard(x_display, CurrentTime);
2477		XUnmapWindow(x_display, the_win);
#	Line 2067 | Line 2559 | static void *redraw_func(void *arg)
2559		}
2560		return NULL;
2561		}
2562	+
2563	+
2564	+	/*
2565	+	*  Record dirty area from NQD
2566	+	*/
2567	+
2568	+	void video_set_dirty_area(int x, int y, int w, int h)
2569	+	{
2570	+	VideoInfo const & mode = VModes[cur_mode];
2571	+	const int screen_width = VIDEO_MODE_X;
2572	+	const int screen_height = VIDEO_MODE_Y;
2573	+	const int bytes_per_row = VIDEO_MODE_ROW_BYTES;
2574	+
2575	+	#ifdef ENABLE_VOSF
2576	+	if (use_vosf) {
2577	+	vosf_set_dirty_area(x, y, w, h, screen_width, screen_height, bytes_per_row);
2578	+	return;
2579	+	}
2580	+	#endif
2581	+
2582	+	// XXX handle dirty bounding boxes for non-VOSF modes
2583	+	}

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