[ViewVC] Diff of: cebix/SheepShaver/src/Unix/video

Comparing SheepShaver/src/Unix/video_x.cpp (file contents):
Revision 1.23 by gbeauche, 2004-05-16T15:48:25Z vs.
Revision 1.39 by gbeauche, 2005-03-28T09:05:28Z

#	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) 1997-2005 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 31 \| Line 40
40
41		#include <algorithm>
42
43	+	#ifdef ENABLE_FBDEV_DGA
44	+	# include <linux/fb.h>
45	+	# include <sys/ioctl.h>
46	+	#endif
47	+
48		#ifdef ENABLE_XF86_DGA
49		# include <X11/extensions/xf86dga.h>
50		#endif
#	Line 46 \| Line 60
60		#include "about_window.h"
61		#include "video.h"
62		#include "video_defs.h"
63	+	#include "video_blit.h"
64
65		#define DEBUG 0
66		#include "debug.h"
#	Line 65 \| Line 80 \| static int16 mouse_wheel_mode;
80		static int16 mouse_wheel_lines;
81		static bool redraw_thread_active = false; // Flag: Redraw thread installed
82		static pthread_attr_t redraw_thread_attr; // Redraw thread attributes
83	+	static volatile bool redraw_thread_cancel; // Flag: Cancel Redraw thread
84		static pthread_t redraw_thread; // Redraw thread
85
86		static bool local_X11; // Flag: X server running on local machine?
#	Line 82 \| Line 98 \| static const bool use_vosf = false; //
98
99		static bool palette_changed = false; // Flag: Palette changed, redraw thread must update palette
100		static bool ctrl_down = false; // Flag: Ctrl key pressed
101	+	static bool caps_on = false; // Flag: Caps Lock on
102		static bool quit_full_screen = false; // Flag: DGA close requested from redraw thread
103		static volatile bool quit_full_screen_ack = false; // Acknowledge for quit_full_screen
104		static bool emerg_quit = false; // Flag: Ctrl-Esc pressed, emergency quit requested from MacOS thread
#	Line 99 \| Line 116 \| static int depth; // Depth of Mac
116		static Window rootwin, the_win; // Root window and our window
117		static int num_depths = 0; // Number of available X depths
118		static int *avail_depths = NULL; // List of available X depths
119	+	static VisualFormat visualFormat;
120		static XVisualInfo visualInfo;
121		static Visual *vis;
122		static int color_class;
123		static int rshift, rloss, gshift, gloss, bshift, bloss; // Pixel format of DirectColor/TrueColor modes
124		static Colormap cmap[2]; // Two colormaps (DGA) for 8-bit mode
125		static XColor x_palette[256]; // Color palette to be used as CLUT and gamma table
126	+	static int orig_accel_numer, orig_accel_denom, orig_threshold; // Original mouse acceleration
127
128		static XColor black, white;
129		static unsigned long black_pixel, white_pixel;
#	Line 127 \| Line 146 \| *static uint8 the_buffer_copy = NULL; /**
146		static uint32 the_buffer_size; // Size of allocated the_buffer
147
148		// Variables for DGA mode
149	+	static bool is_fbdev_dga_mode = false; // Flag: Use FBDev DGA mode?
150		static int current_dga_cmap;
151
152	+	#ifdef ENABLE_FBDEV_DGA
153	+	static int fb_dev_fd = -1; // Handle to fb device name
154	+	static struct fb_fix_screeninfo fb_finfo; // Fixed info
155	+	static struct fb_var_screeninfo fb_vinfo; // Variable info
156	+	static struct fb_var_screeninfo fb_orig_vinfo; // Variable info to restore later
157	+	static struct fb_cmap fb_oldcmap; // Colormap to restore later
158	+	#endif
159	+
160		#ifdef ENABLE_XF86_VIDMODE
161		// Variables for XF86 VidMode support
162		static XF86VidModeModeInfo **x_video_modes; // Array of all available modes
#	Line 149 \| Line 177 \| static pthread_mutex_t x_palette_lock =
177		#define UNLOCK_PALETTE
178		#endif
179
180	+	// Mutex to protect frame buffer
181	+	#ifdef HAVE_SPINLOCKS
182	+	static spinlock_t frame_buffer_lock = SPIN_LOCK_UNLOCKED;
183	+	#define LOCK_FRAME_BUFFER spin_lock(&frame_buffer_lock)
184	+	#define UNLOCK_FRAME_BUFFER spin_unlock(&frame_buffer_lock)
185	+	#elif defined(HAVE_PTHREADS)
186	+	static pthread_mutex_t frame_buffer_lock = PTHREAD_MUTEX_INITIALIZER;
187	+	#define LOCK_FRAME_BUFFER pthread_mutex_lock(&frame_buffer_lock);
188	+	#define UNLOCK_FRAME_BUFFER pthread_mutex_unlock(&frame_buffer_lock);
189	+	#else
190	+	#define LOCK_FRAME_BUFFER
191	+	#define UNLOCK_FRAME_BUFFER
192	+	#endif
193	+
194
195		// Prototypes
196		static void redraw_func(void arg);
#	Line 360 \| Line 402 \| static bool find_visual_for_depth(int de
402		* Open display (window or fullscreen)
403		*/
404
405	+	// Set window name and class
406	+	static void set_window_name(Window w, int name)
407	+	{
408	+	const char *str = GetString(name);
409	+	XStoreName(x_display, w, str);
410	+	XSetIconName(x_display, w, str);
411	+
412	+	XClassHint *hints;
413	+	hints = XAllocClassHint();
414	+	if (hints) {
415	+	hints->res_name = "SheepShaver";
416	+	hints->res_class = "SheepShaver";
417	+	XSetClassHint(x_display, w, hints);
418	+	XFree(hints);
419	+	}
420	+	}
421	+
422	+	// Set window input focus flag
423	+	static void set_window_focus(Window w)
424	+	{
425	+	XWMHints *hints = XAllocWMHints();
426	+	if (hints) {
427	+	hints->input = True;
428	+	hints->initial_state = NormalState;
429	+	hints->flags = InputHint \| StateHint;
430	+	XSetWMHints(x_display, w, hints);
431	+	XFree(hints);
432	+	}
433	+	}
434	+
435		// Set WM_DELETE_WINDOW protocol on window (preventing it from being destroyed by the WM when clicking on the "close" widget)
436		static Atom WM_DELETE_WINDOW = (Atom)0;
437		static void set_window_delete_protocol(Window w)
#	Line 385 \| Line 457 \| static void wait_unmapped(Window w)
457		} while ((e.type != UnmapNotify) \|\| (e.xmap.event != w));
458		}
459
460	+	// Disable mouse acceleration
461	+	static void disable_mouse_accel(void)
462	+	{
463	+	XChangePointerControl(x_display, True, False, 1, 1, 0);
464	+	}
465	+
466	+	// Restore mouse acceleration to original value
467	+	static void restore_mouse_accel(void)
468	+	{
469	+	XChangePointerControl(x_display, True, True, orig_accel_numer, orig_accel_denom, orig_threshold);
470	+	}
471	+
472		// Trap SHM errors
473		static bool shm_error = false;
474		static int (old_error_handler)(Display , XErrorEvent *);
#	Line 417 \| Line 501 \| static bool open_window(int width, int h
501		the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth,
502		InputOutput, vis, CWEventMask \| CWBackPixel \| CWBorderPixel \| CWBackingStore \| CWColormap, &wattr);
503
504	<	// Set window name
505	<	XStoreName(x_display, the_win, GetString(STR_WINDOW_TITLE));
504	>	// Set window name/class
505	>	set_window_name(the_win, STR_WINDOW_TITLE);
506	>
507	>	// Indicate that we want keyboard input
508	>	set_window_focus(the_win);
509
510		// Set delete protocol property
511		set_window_delete_protocol(the_win);
#	Line 499 \| Line 586 \| static bool open_window(int width, int h
586		the_buffer = (uint8 )malloc((aligned_height + 2) img->bytes_per_line);
587		D(bug("the_buffer = %p, the_buffer_copy = %p\n", the_buffer, the_buffer_copy));
588		#endif
589	<	screen_base = (uint32)the_buffer;
589	>	screen_base = Host2MacAddr(the_buffer);
590
591		// Create GC
592		the_gc = XCreateGC(x_display, the_win, 0, 0);
#	Line 538 \| Line 625 \| static bool open_window(int width, int h
625		native_byte_order = (XImageByteOrder(x_display) == LSBFirst);
626		#endif
627		#ifdef ENABLE_VOSF
628	<	Screen_blitter_init(&visualInfo, native_byte_order, depth);
628	>	Screen_blitter_init(visualFormat, native_byte_order, depth);
629		#endif
630
631		// Set bytes per row
#	Line 546 \| Line 633 \| static bool open_window(int width, int h
633		return true;
634		}
635
636	+	// Open FBDev display
637	+	static bool open_fbdev(int width, int height)
638	+	{
639	+	#ifdef ENABLE_FBDEV_DGA
640	+	if (ioctl(fb_dev_fd, FBIOGET_FSCREENINFO, &fb_finfo) != 0) {
641	+	D(bug("[fbdev] Can't get FSCREENINFO: %s\n", strerror(errno)));
642	+	return false;
643	+	}
644	+	D(bug("[fbdev] Device ID: %s\n", fb_finfo.id));
645	+	D(bug("[fbdev] smem_start: %p [%d bytes]\n", fb_finfo.smem_start, fb_finfo.smem_len));
646	+	int fb_type = fb_finfo.type;
647	+	const char *fb_type_str = NULL;
648	+	switch (fb_type) {
649	+	case FB_TYPE_PACKED_PIXELS: fb_type_str = "Packed Pixels"; break;
650	+	case FB_TYPE_PLANES: fb_type_str = "Non interleaved planes"; break;
651	+	case FB_TYPE_INTERLEAVED_PLANES: fb_type_str = "Interleaved planes"; break;
652	+	case FB_TYPE_TEXT: fb_type_str = "Text/attributes"; break;
653	+	case FB_TYPE_VGA_PLANES: fb_type_str = "EGA/VGA planes"; break;
654	+	default: fb_type_str = "<unknown>"; break;
655	+	}
656	+	D(bug("[fbdev] type: %s\n", fb_type_str));
657	+	int fb_visual = fb_finfo.visual;
658	+	const char *fb_visual_str;
659	+	switch (fb_visual) {
660	+	case FB_VISUAL_MONO01: fb_visual_str = "Monochrome 1=Black 0=White"; break;
661	+	case FB_VISUAL_MONO10: fb_visual_str = "Monochrome 1=While 0=Black"; break;
662	+	case FB_VISUAL_TRUECOLOR: fb_visual_str = "True color"; break;
663	+	case FB_VISUAL_PSEUDOCOLOR: fb_visual_str = "Pseudo color (like atari)"; break;
664	+	case FB_VISUAL_DIRECTCOLOR: fb_visual_str = "Direct color"; break;
665	+	case FB_VISUAL_STATIC_PSEUDOCOLOR: fb_visual_str = "Pseudo color readonly"; break;
666	+	default: fb_visual_str = "<unknown>"; break;
667	+	}
668	+	D(bug("[fbdev] visual: %s\n", fb_visual_str));
669	+
670	+	if (fb_type != FB_TYPE_PACKED_PIXELS) {
671	+	D(bug("[fbdev] type %s not supported\n", fb_type_str));
672	+	return false;
673	+	}
674	+
675	+	// Map frame buffer
676	+	the_buffer = (uint8 *)mmap(NULL, fb_finfo.smem_len, PROT_READ \| PROT_WRITE, MAP_SHARED, fb_dev_fd, 0);
677	+	if (the_buffer == MAP_FAILED) {
678	+	D(bug("[fbdev] Can't mmap /dev/fb0: %s\n", strerror(errno)));
679	+	return false;
680	+	}
681	+
682	+	// Set absolute mouse mode
683	+	ADBSetRelMouseMode(false);
684	+
685	+	// Create window
686	+	XSetWindowAttributes wattr;
687	+	wattr.event_mask = eventmask = dga_eventmask;
688	+	wattr.override_redirect = True;
689	+	wattr.colormap = (depth == 1 ? DefaultColormap(x_display, screen) : cmap[0]);
690	+	the_win = XCreateWindow(x_display, rootwin, 0, 0, width, height, 0, xdepth,
691	+	InputOutput, vis, CWEventMask \| CWOverrideRedirect \|
692	+	(color_class == DirectColor ? CWColormap : 0), &wattr);
693	+
694	+	// Show window
695	+	XMapRaised(x_display, the_win);
696	+	wait_mapped(the_win);
697	+
698	+	// Grab mouse and keyboard
699	+	XGrabKeyboard(x_display, the_win, True,
700	+	GrabModeAsync, GrabModeAsync, CurrentTime);
701	+	XGrabPointer(x_display, the_win, True,
702	+	PointerMotionMask \| ButtonPressMask \| ButtonReleaseMask,
703	+	GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
704	+	disable_mouse_accel();
705	+
706	+	// Create no_cursor
707	+	mac_cursor = XCreatePixmapCursor(x_display,
708	+	XCreatePixmap(x_display, the_win, 1, 1, 1),
709	+	XCreatePixmap(x_display, the_win, 1, 1, 1),
710	+	&black, &white, 0, 0);
711	+	XDefineCursor(x_display, the_win, mac_cursor);
712	+
713	+	// Init blitting routines
714	+	int bytes_per_row = TrivialBytesPerRow((width + 7) & ~7, DepthModeForPixelDepth(depth));
715	+	#if ENABLE_VOSF
716	+	bool native_byte_order;
717	+	#ifdef WORDS_BIGENDIAN
718	+	native_byte_order = (XImageByteOrder(x_display) == MSBFirst);
719	+	#else
720	+	native_byte_order = (XImageByteOrder(x_display) == LSBFirst);
721	+	#endif
722	+	#if REAL_ADDRESSING \|\| DIRECT_ADDRESSING
723	+	// Screen_blitter_init() returns TRUE if VOSF is mandatory
724	+	// i.e. the framebuffer update function is not Blit_Copy_Raw
725	+	use_vosf = Screen_blitter_init(visualFormat, native_byte_order, depth);
726	+
727	+	if (use_vosf) {
728	+	// Allocate memory for frame buffer (SIZE is extended to page-boundary)
729	+	the_host_buffer = the_buffer;
730	+	the_buffer_size = page_extend((height + 2) * bytes_per_row);
731	+	the_buffer_copy = (uint8 *)malloc(the_buffer_size);
732	+	the_buffer = (uint8 *)vm_acquire(the_buffer_size);
733	+	D(bug("the_buffer = %p, the_buffer_copy = %p, the_host_buffer = %p\n", the_buffer, the_buffer_copy, the_host_buffer));
734	+	}
735	+	#else
736	+	use_vosf = false;
737	+	#endif
738	+	#endif
739	+
740	+	// Set frame buffer base
741	+	D(bug("the_buffer = %p, use_vosf = %d\n", the_buffer, use_vosf));
742	+	screen_base = Host2MacAddr(the_buffer);
743	+	VModes[cur_mode].viRowBytes = bytes_per_row;
744	+	return true;
745	+	#else
746	+	ErrorAlert("SheepShaver has been compiled with DGA support disabled.");
747	+	return false;
748	+	#endif
749	+	}
750	+
751		// Open DGA display (!! should use X11 VidMode extensions to set mode)
752		static bool open_dga(int width, int height)
753		{
754	+	if (is_fbdev_dga_mode)
755	+	return false;
756	+
757		#ifdef ENABLE_XF86_DGA
758		// Set relative mouse mode
759		ADBSetRelMouseMode(true);
#	Line 612 \| Line 817 \| static bool open_dga(int width, int heig
817		#if REAL_ADDRESSING \|\| DIRECT_ADDRESSING
818		// Screen_blitter_init() returns TRUE if VOSF is mandatory
819		// i.e. the framebuffer update function is not Blit_Copy_Raw
820	<	use_vosf = Screen_blitter_init(&visualInfo, native_byte_order, depth);
820	>	use_vosf = Screen_blitter_init(visualFormat, native_byte_order, depth);
821
822		if (use_vosf) {
823		// Allocate memory for frame buffer (SIZE is extended to page-boundary)
#	Line 629 \| Line 834 \| static bool open_dga(int width, int heig
834
835		// Set frame buffer base
836		D(bug("the_buffer = %p, use_vosf = %d\n", the_buffer, use_vosf));
837	<	screen_base = (uint32)the_buffer;
837	>	screen_base = Host2MacAddr(the_buffer);
838		VModes[cur_mode].viRowBytes = bytes_per_row;
839		return true;
840		#else
#	Line 643 \| Line 848 \| static bool open_display(void)
848		D(bug("open_display()\n"));
849		const VideoInfo &mode = VModes[cur_mode];
850
851	+	// Get original mouse acceleration
852	+	XGetPointerControl(x_display, &orig_accel_numer, &orig_accel_denom, &orig_threshold);
853	+
854		// Find best available X visual
855		if (!find_visual_for_depth(mode.viAppleMode)) {
856		ErrorAlert(GetString(STR_NO_XVISUAL_ERR));
857		return false;
858		}
859
860	+	// Build up visualFormat structure
861	+	visualFormat.depth = visualInfo.depth;
862	+	visualFormat.Rmask = visualInfo.red_mask;
863	+	visualFormat.Gmask = visualInfo.green_mask;
864	+	visualFormat.Bmask = visualInfo.blue_mask;
865	+
866		// Create color maps
867		if (color_class == PseudoColor \|\| color_class == DirectColor) {
868		cmap[0] = XCreateColormap(x_display, rootwin, vis, AllocAll);
#	Line 717 \| Line 931 \| static bool open_display(void)
931		depth = depth_of_video_mode(mode.viAppleMode);
932
933		bool display_open = false;
934	<	if (display_type == DIS_SCREEN)
934	>	if (display_type == DIS_SCREEN) {
935		display_open = open_dga(VModes[cur_mode].viXsize, VModes[cur_mode].viYsize);
936	+	#ifdef ENABLE_FBDEV_DGA
937	+	// Try to fallback to FBDev DGA mode
938	+	if (!display_open) {
939	+	is_fbdev_dga_mode = true;
940	+	display_open = open_fbdev(VModes[cur_mode].viXsize, VModes[cur_mode].viYsize);
941	+	}
942	+	#endif
943	+
944	+	}
945		else if (display_type == DIS_WINDOW)
946		display_open = open_window(VModes[cur_mode].viXsize, VModes[cur_mode].viYsize);
947
#	Line 767 \| Line 990 \| static void close_window(void)
990		XSync(x_display, false);
991		}
992
993	+	// Close FBDev mode
994	+	static void close_fbdev(void)
995	+	{
996	+	#ifdef ENABLE_FBDEV_DGA
997	+	XUngrabPointer(x_display, CurrentTime);
998	+	XUngrabKeyboard(x_display, CurrentTime);
999	+
1000	+	uint8 *fb_base;
1001	+	if (!use_vosf) {
1002	+	// don't free() the screen buffer in driver_base dtor
1003	+	fb_base = the_buffer;
1004	+	the_buffer = NULL;
1005	+	}
1006	+	#ifdef ENABLE_VOSF
1007	+	else {
1008	+	// don't free() the screen buffer in driver_base dtor
1009	+	fb_base = the_host_buffer;
1010	+	the_host_buffer = NULL;
1011	+	}
1012	+	#endif
1013	+	munmap(fb_base, fb_finfo.smem_len);
1014	+	#endif
1015	+	}
1016	+
1017		// Close DGA mode
1018		static void close_dga(void)
1019		{
1020	+	if (is_fbdev_dga_mode)
1021	+	return;
1022	+
1023		#ifdef ENABLE_XF86_DGA
1024		XF86DGADirectVideo(x_display, screen, 0);
1025		XUngrabPointer(x_display, CurrentTime);
#	Line 795 \| Line 1045 \| static void close_dga(void)
1045
1046		static void close_display(void)
1047		{
1048	<	if (display_type == DIS_SCREEN)
1049	<	close_dga();
1048	>	if (display_type == DIS_SCREEN) {
1049	>	if (is_fbdev_dga_mode)
1050	>	close_fbdev();
1051	>	else
1052	>	close_dga();
1053	>	}
1054		else if (display_type == DIS_WINDOW)
1055		close_window();
1056
#	Line 851 \| Line 1105 \| static void close_display(void)
1105		}
1106		}
1107		#endif
1108	+
1109	+	// Restore mouse acceleration
1110	+	restore_mouse_accel();
1111		}
1112
1113
#	Line 882 \| Line 1139 \| static void keycode_init(void)
1139
1140		// Search for server vendor string, then read keycodes
1141		const char *vendor = ServerVendor(x_display);
1142	+	// Force use of MacX mappings on MacOS X with Apple's X server
1143	+	int dummy;
1144	+	if (XQueryExtension(x_display, "Apple-DRI", &dummy, &dummy, &dummy))
1145	+	vendor = "MacX";
1146		bool vendor_found = false;
1147		char line[256];
1148		while (fgets(line, 255, f)) {
#	Line 956 \| Line 1217 \| static int find_mode(int apple_mode, int
1217		return -1;
1218		}
1219
1220	+	// Add custom video mode
1221	+	static void add_custom_mode(VideoInfo *&p, int type, uint32 x, uint32 y, int apple_mode, int apple_id)
1222	+	{
1223	+	p->viType = type;
1224	+	p->viXsize = x;
1225	+	p->viYsize = y;
1226	+	p->viRowBytes = TrivialBytesPerRow(p->viXsize, apple_mode);
1227	+	p->viAppleMode = apple_mode;
1228	+	p->viAppleID = apple_id;
1229	+	p++;
1230	+	}
1231	+
1232		// Add mode to list of supported modes
1233		static void add_mode(VideoInfo *&p, uint32 allow, uint32 test, int apple_mode, int apple_id, int type)
1234		{
1235		if (allow & test) {
1236	<	p->viType = type;
1236	>	uint32 x = 0, y = 0;
1237		switch (apple_id) {
1238		case APPLE_W_640x480:
1239		case APPLE_640x480:
1240	<	p->viXsize = 640;
1241	<	p->viYsize = 480;
1240	>	x = 640;
1241	>	y = 480;
1242		break;
1243		case APPLE_W_800x600:
1244		case APPLE_800x600:
1245	<	p->viXsize = 800;
1246	<	p->viYsize = 600;
1245	>	x = 800;
1246	>	y = 600;
1247		break;
1248		case APPLE_1024x768:
1249	<	p->viXsize = 1024;
1250	<	p->viYsize = 768;
1249	>	x = 1024;
1250	>	y = 768;
1251		break;
1252		case APPLE_1152x768:
1253	<	p->viXsize = 1152;
1254	<	p->viYsize = 768;
1253	>	x = 1152;
1254	>	y = 768;
1255		break;
1256		case APPLE_1152x900:
1257	<	p->viXsize = 1152;
1258	<	p->viYsize = 900;
1257	>	x = 1152;
1258	>	y = 900;
1259		break;
1260		case APPLE_1280x1024:
1261	<	p->viXsize = 1280;
1262	<	p->viYsize = 1024;
1261	>	x = 1280;
1262	>	y = 1024;
1263		break;
1264		case APPLE_1600x1200:
1265	<	p->viXsize = 1600;
1266	<	p->viYsize = 1200;
1265	>	x = 1600;
1266	>	y = 1200;
1267		break;
1268		}
1269	<	p->viRowBytes = TrivialBytesPerRow(p->viXsize, apple_mode);
997	<	p->viAppleMode = apple_mode;
998	<	p->viAppleID = apple_id;
999	<	p++;
1269	>	add_custom_mode(p, type, x, y, apple_mode, apple_id);
1270		}
1271		}
1272
#	Line 1065 \| Line 1335 \| bool VideoInit(void)
1335		#ifdef ENABLE_XF86_DGA
1336		// DGA available?
1337		int event_base, error_base;
1338	+	is_fbdev_dga_mode = false;
1339		if (local_X11 && XF86DGAQueryExtension(x_display, &event_base, &error_base)) {
1340		int dga_flags = 0;
1341		XF86DGAQueryDirectVideo(x_display, screen, &dga_flags);
1342		has_dga = dga_flags & XF86DGADirectPresent;
1343	+	#if defined(__linux__)
1344	+	// Check r/w permission on /dev/mem for DGA mode to work
1345	+	if (has_dga && access("/dev/mem", R_OK \| W_OK) != 0)
1346	+	has_dga = false;
1347	+	#endif
1348		} else
1349		has_dga = false;
1350		#endif
#	Line 1081 \| Line 1357 \| bool VideoInit(void)
1357		XF86VidModeGetAllModeLines(x_display, screen, &num_x_video_modes, &x_video_modes);
1358		#endif
1359
1360	+	#ifdef ENABLE_FBDEV_DGA
1361	+	// FBDev available?
1362	+	bool has_fbdev_dga = false;
1363	+	if (local_X11) {
1364	+	if ((fb_dev_fd = open("/dev/fb0", O_RDWR)) > 0) {
1365	+	if (ioctl(fb_dev_fd, FBIOGET_VSCREENINFO, &fb_vinfo) != 0)
1366	+	close(fb_dev_fd);
1367	+	else {
1368	+	has_fbdev_dga = true;
1369	+	if (!has_dga) {
1370	+	// Fallback to FBDev DGA mode if XF86 DGA is not possible
1371	+	has_dga = true;
1372	+	is_fbdev_dga_mode = true;
1373	+	}
1374	+	fb_orig_vinfo = fb_vinfo;
1375	+	D(bug("Frame buffer device initial resolution: %dx%dx%d\n", fb_vinfo.xres, fb_vinfo.yres, fb_vinfo.bits_per_pixel));
1376	+	}
1377	+	}
1378	+	}
1379	+	#endif
1380	+
1381		// Find black and white colors
1382		XParseColor(x_display, DefaultColormap(x_display, screen), "rgb:00/00/00", &black);
1383		XAllocColor(x_display, DefaultColormap(x_display, screen), &black);
#	Line 1106 \| Line 1403 \| bool VideoInit(void)
1403		break;
1404		}
1405
1406	+	// Get screen mode from preferences
1407	+	const char *mode_str = PrefsFindString("screen");
1408	+	int default_width = 640, default_height = 480;
1409	+	if (mode_str) {
1410	+	display_type = DIS_INVALID;
1411	+	if (sscanf(mode_str, "win/%d/%d", &default_width, &default_height) == 2)
1412	+	display_type = DIS_WINDOW;
1413	+	#ifdef ENABLE_XF86_DGA
1414	+	else if (has_dga && sscanf(mode_str, "dga/%d/%d", &default_width, &default_height) == 2)
1415	+	display_type = DIS_SCREEN;
1416	+	#endif
1417	+	#ifdef ENABLE_FBDEV_DGA
1418	+	else if (has_fbdev_dga && sscanf(mode_str, "fbdev/%d/%d", &default_width, &default_height) == 2) {
1419	+	is_fbdev_dga_mode = true;
1420	+	display_type = DIS_SCREEN;
1421	+	}
1422	+	#endif
1423	+	if (display_type == DIS_INVALID) {
1424	+	D(bug("Invalid screen mode specified, defaulting to old modes selection\n"));
1425	+	mode_str = NULL;
1426	+	}
1427	+	else {
1428	+	if (default_width <= 0)
1429	+	default_width = DisplayWidth(x_display, screen);
1430	+	else if (default_width > DisplayWidth(x_display, screen))
1431	+	default_width = DisplayWidth(x_display, screen);
1432	+	if (default_height <= 0)
1433	+	default_height = DisplayHeight(x_display, screen);
1434	+	else if (default_height > DisplayHeight(x_display, screen))
1435	+	default_height = DisplayHeight(x_display, screen);
1436	+	}
1437	+	}
1438	+
1439		// Construct video mode table
1440		uint32 window_modes = PrefsFindInt32("windowmodes");
1441		uint32 screen_modes = PrefsFindInt32("screenmodes");
1442		if (!has_dga)
1443		screen_modes = 0;
1444	<	if (window_modes == 0 && screen_modes == 0)
1444	>	if (mode_str)
1445	>	window_modes = screen_modes = 0;
1446	>	else if (window_modes == 0 && screen_modes == 0)
1447		window_modes \|= 3; // Allow at least 640x480 and 800x600 window modes
1448
1449		VideoInfo *p = VModes;
1450	<	for (unsigned int d = APPLE_1_BIT; d <= APPLE_32_BIT; d++)
1451	<	if (find_visual_for_depth(d))
1452	<	add_window_modes(p, window_modes, d);
1453	<
1454	<	if (has_vidmode) {
1450	>	if (mode_str) {
1451	>	if (display_type == DIS_WINDOW) {
1452	>	for (unsigned int d = APPLE_1_BIT; d <= APPLE_32_BIT; d++) {
1453	>	if (find_visual_for_depth(d)) {
1454	>	if (default_width > 640 && default_height > 480)
1455	>	add_mode(p, 3, 1, d, APPLE_W_640x480, DIS_WINDOW);
1456	>	if (default_width > 800 && default_height > 600)
1457	>	add_mode(p, 3, 2, d, APPLE_W_800x600, DIS_WINDOW);
1458	>	add_custom_mode(p, display_type, default_width, default_height, d, APPLE_CUSTOM);
1459	>	}
1460	>	}
1461	>	} else
1462	>	add_custom_mode(p, display_type, default_width, default_height, default_mode, APPLE_CUSTOM);
1463	>	} else if (window_modes) {
1464	>	for (unsigned int d = APPLE_1_BIT; d <= APPLE_32_BIT; d++)
1465	>	if (find_visual_for_depth(d))
1466	>	add_window_modes(p, window_modes, d);
1467	>	} else if (has_vidmode) {
1468		if (has_mode(640, 480))
1469		add_mode(p, screen_modes, 1, default_mode, APPLE_640x480, DIS_SCREEN);
1470		if (has_mode(800, 600))
#	Line 1160 \| Line 1505 \| bool VideoInit(void)
1505		int apple_id = find_apple_resolution(screen_width, screen_height);
1506		if (apple_id != -1)
1507		cur_mode = find_mode(default_mode, apple_id, DIS_SCREEN);
1508	+	} else if (has_dga && mode_str)
1509	+	cur_mode = find_mode(default_mode, APPLE_CUSTOM, DIS_SCREEN);
1510	+
1511	+	if (cur_mode == -1) {
1512	+	// pick up first windowed mode available
1513	+	for (VideoInfo *p = VModes; p->viType != DIS_INVALID; p++) {
1514	+	if (p->viType == DIS_WINDOW && p->viAppleMode == default_mode) {
1515	+	cur_mode = p - VModes;
1516	+	break;
1517	+	}
1518	+	}
1519		}
1164	–	if (cur_mode == -1)
1165	–	cur_mode = find_mode(default_mode, APPLE_W_640x480, DIS_WINDOW);
1520		assert(cur_mode != -1);
1521
1522		#if DEBUG
#	Line 1182 \| Line 1536 \| bool VideoInit(void)
1536		XSetErrorHandler(ignore_errors);
1537		#endif
1538
1539	+	// Lock down frame buffer
1540	+	XSync(x_display, false);
1541	+	LOCK_FRAME_BUFFER;
1542	+
1543		// Start periodic thread
1544		XSync(x_display, false);
1545		Set_pthread_attr(&redraw_thread_attr, 0);
1546	+	redraw_thread_cancel = false;
1547		redraw_thread_active = (pthread_create(&redraw_thread, &redraw_thread_attr, redraw_func, NULL) == 0);
1548		D(bug("Redraw thread installed (%ld)\n", redraw_thread));
1549		return true;
#	Line 1199 \| Line 1558 \| void VideoExit(void)
1558		{
1559		// Stop redraw thread
1560		if (redraw_thread_active) {
1561	+	redraw_thread_cancel = true;
1562		pthread_cancel(redraw_thread);
1563		pthread_join(redraw_thread, NULL);
1564		redraw_thread_active = false;
1565		}
1566
1567	+	// Unlock frame buffer
1568	+	UNLOCK_FRAME_BUFFER;
1569	+	XSync(x_display, false);
1570	+	D(bug(" frame buffer unlocked\n"));
1571	+
1572		#ifdef ENABLE_VOSF
1573		if (use_vosf) {
1574		// Deinitialize VOSF
#	Line 1218 \| Line 1583 \| void VideoExit(void)
1583		XFlush(x_display);
1584		XSync(x_display, false);
1585		}
1586	+
1587	+	#ifdef ENABLE_FBDEV_DGA
1588	+	// Close framebuffer device
1589	+	if (fb_dev_fd >= 0) {
1590	+	close(fb_dev_fd);
1591	+	fb_dev_fd = -1;
1592	+	}
1593	+	#endif
1594		}
1595
1596
#	Line 1225 \| Line 1598 \| void VideoExit(void)
1598		* Suspend/resume emulator
1599		*/
1600
1228	–	extern void PauseEmulator(void);
1229	–	extern void ResumeEmulator(void);
1230	–
1601		static void suspend_emul(void)
1602		{
1603		if (display_type == DIS_SCREEN) {
#	Line 1235 \| Line 1605 \| static void suspend_emul(void)
1605		ADBKeyUp(0x36);
1606		ctrl_down = false;
1607
1608	<	// Pause MacOS thread
1609	<	PauseEmulator();
1240	<	emul_suspended = true;
1608	>	// Lock frame buffer (this will stop the MacOS thread)
1609	>	LOCK_FRAME_BUFFER;
1610
1611		// Save frame buffer
1612		fb_save = malloc(VModes[cur_mode].viYsize * VModes[cur_mode].viRowBytes);
1613		if (fb_save)
1614	<	memcpy(fb_save, (void )screen_base, VModes[cur_mode].viYsize VModes[cur_mode].viRowBytes);
1614	>	Mac2Host_memcpy(fb_save, screen_base, VModes[cur_mode].viYsize * VModes[cur_mode].viRowBytes);
1615
1616		// Close full screen display
1617	+	#if defined(ENABLE_XF86_DGA) \|\| defined(ENABLE_FBDEV_DGA)
1618		#ifdef ENABLE_XF86_DGA
1619	<	XF86DGADirectVideo(x_display, screen, 0);
1619	>	if (!is_fbdev_dga_mode)
1620	>	XF86DGADirectVideo(x_display, screen, 0);
1621	>	#endif
1622		XUngrabPointer(x_display, CurrentTime);
1623		XUngrabKeyboard(x_display, CurrentTime);
1624		#endif
1625	+	restore_mouse_accel();
1626	+	XUnmapWindow(x_display, the_win);
1627	+	wait_unmapped(the_win);
1628		XSync(x_display, false);
1629
1630		// Open "suspend" window
1631		XSetWindowAttributes wattr;
1632		wattr.event_mask = KeyPressMask;
1633	<	wattr.background_pixel = black_pixel;
1259	<	wattr.border_pixel = black_pixel;
1633	>	wattr.background_pixel = (vis == DefaultVisual(x_display, screen) ? black_pixel : 0);
1634		wattr.backing_store = Always;
1635	<	wattr.backing_planes = xdepth;
1636	<	wattr.colormap = DefaultColormap(x_display, screen);
1263	<	XSync(x_display, false);
1635	>	wattr.colormap = (depth == 1 ? DefaultColormap(x_display, screen) : cmap[0]);
1636	>
1637		suspend_win = XCreateWindow(x_display, rootwin, 0, 0, 512, 1, 0, xdepth,
1638	<	InputOutput, vis, CWEventMask \| CWBackPixel \| CWBorderPixel \|
1639	<	CWBackingStore \| CWBackingPlanes \| (xdepth == 8 ? CWColormap : 0), &wattr);
1640	<	XSync(x_display, false);
1641	<	XStoreName(x_display, suspend_win, GetString(STR_SUSPEND_WINDOW_TITLE));
1642	<	XMapRaised(x_display, suspend_win);
1270	<	XSync(x_display, false);
1638	>	InputOutput, vis, CWEventMask \| CWBackPixel \| CWBackingStore \| CWColormap, &wattr);
1639	>	set_window_name(suspend_win, STR_SUSPEND_WINDOW_TITLE);
1640	>	set_window_focus(suspend_win);
1641	>	XMapWindow(x_display, suspend_win);
1642	>	emul_suspended = true;
1643		}
1644		}
1645
#	Line 1278 \| Line 1650 \| static void resume_emul(void)
1650		XSync(x_display, false);
1651
1652		// Reopen full screen display
1653	<	XGrabKeyboard(x_display, rootwin, 1, GrabModeAsync, GrabModeAsync, CurrentTime);
1654	<	XGrabPointer(x_display, rootwin, 1, PointerMotionMask \| ButtonPressMask \| ButtonReleaseMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
1653	>	XMapRaised(x_display, the_win);
1654	>	wait_mapped(the_win);
1655	>	XWarpPointer(x_display, None, rootwin, 0, 0, 0, 0, 0, 0);
1656	>	Window w = is_fbdev_dga_mode ? the_win : rootwin;
1657	>	XGrabKeyboard(x_display, w, True, GrabModeAsync, GrabModeAsync, CurrentTime);
1658	>	XGrabPointer(x_display, w, True, PointerMotionMask \| ButtonPressMask \| ButtonReleaseMask, GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
1659	>	disable_mouse_accel();
1660		#ifdef ENABLE_XF86_DGA
1661	<	XF86DGADirectVideo(x_display, screen, XF86DGADirectGraphics \| XF86DGADirectKeyb \| XF86DGADirectMouse);
1662	<	XF86DGASetViewPort(x_display, screen, 0, 0);
1661	>	if (!is_fbdev_dga_mode) {
1662	>	XF86DGADirectVideo(x_display, screen, XF86DGADirectGraphics \| XF86DGADirectKeyb \| XF86DGADirectMouse);
1663	>	XF86DGASetViewPort(x_display, screen, 0, 0);
1664	>	}
1665		#endif
1666		XSync(x_display, false);
1667
#	Line 1304 \| Line 1683 \| static void resume_emul(void)
1683		// Don't copy fb_save to the temporary frame buffer in VOSF mode
1684		if (!use_vosf)
1685		#endif
1686	<	memcpy((void )screen_base, fb_save, VModes[cur_mode].viYsize VModes[cur_mode].viRowBytes);
1686	>	Host2Mac_memcpy(screen_base, fb_save, VModes[cur_mode].viYsize * VModes[cur_mode].viRowBytes);
1687		free(fb_save);
1688		fb_save = NULL;
1689		}
1311	–	if (depth == 8)
1312	–	palette_changed = true;
1690
1691	<	// Resume MacOS thread
1691	>	// Unlock frame buffer (and continue MacOS thread)
1692	>	UNLOCK_FRAME_BUFFER;
1693		emul_suspended = false;
1316	–	ResumeEmulator();
1694		}
1695
1696
#	Line 1477 \| Line 1854 \| static int kc_decode(KeySym ks)
1854		return -1;
1855		}
1856
1857	<	static int event2keycode(XKeyEvent &ev)
1857	>	static int event2keycode(XKeyEvent &ev, bool key_down)
1858		{
1859		KeySym ks;
1483	–	int as;
1860		int i = 0;
1861
1862		do {
1863		ks = XLookupKeysym(&ev, i++);
1864	<	as = kc_decode(ks);
1865	<	if (as != -1)
1864	>	int as = kc_decode(ks);
1865	>	if (as >= 0)
1866	>	return as;
1867	>	if (as == -2)
1868		return as;
1869		} while (ks != NoSymbol);
1870
#	Line 1561 \| Line 1939 \| static void handle_events(void)
1939
1940		// Keyboard
1941		case KeyPress: {
1942	<	int code = event2keycode(event.xkey);
1943	<	if (use_keycodes && code != -1)
1944	<	code = keycode_table[event.xkey.keycode & 0xff];
1945	<	if (code != -1) {
1942	>	int code = -1;
1943	>	if (use_keycodes) {
1944	>	if (event2keycode(event.xkey, true) != -2) // This is called to process the hotkeys
1945	>	code = keycode_table[event.xkey.keycode & 0xff];
1946	>	} else
1947	>	code = event2keycode(event.xkey, true);
1948	>	if (code >= 0) {
1949		if (!emul_suspended) {
1950	<	ADBKeyDown(code);
1950	>	if (code == 0x39) { // Caps Lock pressed
1951	>	if (caps_on) {
1952	>	ADBKeyUp(code);
1953	>	caps_on = false;
1954	>	} else {
1955	>	ADBKeyDown(code);
1956	>	caps_on = true;
1957	>	}
1958	>	} else
1959	>	ADBKeyDown(code);
1960		if (code == 0x36)
1961		ctrl_down = true;
1962		} else {
#	Line 1577 \| Line 1967 \| static void handle_events(void)
1967		break;
1968		}
1969		case KeyRelease: {
1970	<	int code = event2keycode(event.xkey);
1971	<	if (use_keycodes && code != 1)
1972	<	code = keycode_table[event.xkey.keycode & 0xff];
1973	<	if (code != -1) {
1970	>	int code = -1;
1971	>	if (use_keycodes) {
1972	>	if (event2keycode(event.xkey, false) != -2) // This is called to process the hotkeys
1973	>	code = keycode_table[event.xkey.keycode & 0xff];
1974	>	} else
1975	>	code = event2keycode(event.xkey, false);
1976	>	if (code >= 0 && code != 0x39) { // Don't propagate Caps Lock releases
1977		ADBKeyUp(code);
1978		if (code == 0x36)
1979		ctrl_down = false;
#	Line 1613 \| Line 2006 \| void VideoVBL(void)
2006		if (emerg_quit)
2007		QuitEmulator();
2008
2009	+	// Temporarily give up frame buffer lock (this is the point where
2010	+	// we are suspended when the user presses Ctrl-Tab)
2011	+	UNLOCK_FRAME_BUFFER;
2012	+	LOCK_FRAME_BUFFER;
2013	+
2014		// Execute video VBL
2015		if (private_data != NULL && private_data->interruptsEnabled)
2016		VSLDoInterruptService(private_data->vslServiceID);
#	Line 1620 \| Line 2018 \| void VideoVBL(void)
2018
2019
2020		/*
1623	–	* Install graphics acceleration
1624	–	*/
1625	–
1626	–	// Rectangle inversion
1627	–	template< int bpp >
1628	–	static inline void do_invrect(uint8 *dest, uint32 length)
1629	–	{
1630	–	#define INVERT_1(PTR, OFS) ((uint8 )(PTR))[OFS] = ~((uint8 )(PTR))[OFS]
1631	–	#define INVERT_2(PTR, OFS) ((uint16 )(PTR))[OFS] = ~((uint16 )(PTR))[OFS]
1632	–	#define INVERT_4(PTR, OFS) ((uint32 )(PTR))[OFS] = ~((uint32 )(PTR))[OFS]
1633	–	#define INVERT_8(PTR, OFS) ((uint64 )(PTR))[OFS] = ~((uint64 )(PTR))[OFS]
1634	–
1635	–	#ifndef UNALIGNED_PROFITABLE
1636	–	// Align on 16-bit boundaries
1637	–	if (bpp < 16 && (((uintptr)dest) & 1)) {
1638	–	INVERT_1(dest, 0);
1639	–	dest += 1; length -= 1;
1640	–	}
1641	–
1642	–	// Align on 32-bit boundaries
1643	–	if (bpp < 32 && (((uintptr)dest) & 2)) {
1644	–	INVERT_2(dest, 0);
1645	–	dest += 2; length -= 2;
1646	–	}
1647	–	#endif
1648	–
1649	–	// Invert 8-byte words
1650	–	if (length >= 8) {
1651	–	const int r = (length / 8) % 8;
1652	–	dest += r * 8;
1653	–
1654	–	int n = ((length / 8) + 7) / 8;
1655	–	switch (r) {
1656	–	case 0: do {
1657	–	dest += 64;
1658	–	INVERT_8(dest, -8);
1659	–	case 7: INVERT_8(dest, -7);
1660	–	case 6: INVERT_8(dest, -6);
1661	–	case 5: INVERT_8(dest, -5);
1662	–	case 4: INVERT_8(dest, -4);
1663	–	case 3: INVERT_8(dest, -3);
1664	–	case 2: INVERT_8(dest, -2);
1665	–	case 1: INVERT_8(dest, -1);
1666	–	} while (--n > 0);
1667	–	}
1668	–	}
1669	–
1670	–	// 32-bit cell to invert?
1671	–	if (length & 4) {
1672	–	INVERT_4(dest, 0);
1673	–	if (bpp <= 16)
1674	–	dest += 4;
1675	–	}
1676	–
1677	–	// 16-bit cell to invert?
1678	–	if (bpp <= 16 && (length & 2)) {
1679	–	INVERT_2(dest, 0);
1680	–	if (bpp <= 8)
1681	–	dest += 2;
1682	–	}
1683	–
1684	–	// 8-bit cell to invert?
1685	–	if (bpp <= 8 && (length & 1))
1686	–	INVERT_1(dest, 0);
1687	–
1688	–	#undef INVERT_1
1689	–	#undef INVERT_2
1690	–	#undef INVERT_4
1691	–	#undef INVERT_8
1692	–	}
1693	–
1694	–	void NQD_invrect(uint32 p)
1695	–	{
1696	–	D(bug("accl_invrect %08x\n", p));
1697	–
1698	–	// Get inversion parameters
1699	–	int16 dest_X = (int16)ReadMacInt16(p + acclDestRect + 2) - (int16)ReadMacInt16(p + acclDestBoundsRect + 2);
1700	–	int16 dest_Y = (int16)ReadMacInt16(p + acclDestRect + 0) - (int16)ReadMacInt16(p + acclDestBoundsRect + 0);
1701	–	int16 width = (int16)ReadMacInt16(p + acclDestRect + 6) - (int16)ReadMacInt16(p + acclDestRect + 2);
1702	–	int16 height = (int16)ReadMacInt16(p + acclDestRect + 4) - (int16)ReadMacInt16(p + acclDestRect + 0);
1703	–	D(bug(" dest X %d, dest Y %d\n", dest_X, dest_Y));
1704	–	D(bug(" width %d, height %d, bytes_per_row %d\n", width, height, (int32)ReadMacInt32(p + acclDestRowBytes)));
1705	–
1706	–	//!!?? pen_mode == 14
1707	–
1708	–	// And perform the inversion
1709	–	const int bpp = bytes_per_pixel(ReadMacInt32(p + acclDestPixelSize));
1710	–	const int dest_row_bytes = (int32)ReadMacInt32(p + acclDestRowBytes);
1711	–	uint8 dest = Mac2HostAddr(ReadMacInt32(p + acclDestBaseAddr) + (dest_Y dest_row_bytes) + (dest_X * bpp));
1712	–	width *= bpp;
1713	–	switch (bpp) {
1714	–	case 1:
1715	–	for (int i = 0; i < height; i++) {
1716	–	do_invrect<8>(dest, width);
1717	–	dest += dest_row_bytes;
1718	–	}
1719	–	break;
1720	–	case 2:
1721	–	for (int i = 0; i < height; i++) {
1722	–	do_invrect<16>(dest, width);
1723	–	dest += dest_row_bytes;
1724	–	}
1725	–	break;
1726	–	case 4:
1727	–	for (int i = 0; i < height; i++) {
1728	–	do_invrect<32>(dest, width);
1729	–	dest += dest_row_bytes;
1730	–	}
1731	–	break;
1732	–	}
1733	–	}
1734	–
1735	–	// Rectangle filling
1736	–	template< int bpp >
1737	–	static inline void do_fillrect(uint8 *dest, uint32 color, uint32 length)
1738	–	{
1739	–	#define FILL_1(PTR, OFS, VAL) ((uint8 *)(PTR))[OFS] = (VAL)
1740	–	#define FILL_2(PTR, OFS, VAL) ((uint16 *)(PTR))[OFS] = (VAL)
1741	–	#define FILL_4(PTR, OFS, VAL) ((uint32 *)(PTR))[OFS] = (VAL)
1742	–	#define FILL_8(PTR, OFS, VAL) ((uint64 *)(PTR))[OFS] = (VAL)
1743	–
1744	–	#ifndef UNALIGNED_PROFITABLE
1745	–	// Align on 16-bit boundaries
1746	–	if (bpp < 16 && (((uintptr)dest) & 1)) {
1747	–	FILL_1(dest, 0, color);
1748	–	dest += 1; length -= 1;
1749	–	}
1750	–
1751	–	// Align on 32-bit boundaries
1752	–	if (bpp < 32 && (((uintptr)dest) & 2)) {
1753	–	FILL_2(dest, 0, color);
1754	–	dest += 2; length -= 2;
1755	–	}
1756	–	#endif
1757	–
1758	–	// Fill 8-byte words
1759	–	if (length >= 8) {
1760	–	const uint64 c = (((uint64)color) << 32) \| color;
1761	–	const int r = (length / 8) % 8;
1762	–	dest += r * 8;
1763	–
1764	–	int n = ((length / 8) + 7) / 8;
1765	–	switch (r) {
1766	–	case 0: do {
1767	–	dest += 64;
1768	–	FILL_8(dest, -8, c);
1769	–	case 7: FILL_8(dest, -7, c);
1770	–	case 6: FILL_8(dest, -6, c);
1771	–	case 5: FILL_8(dest, -5, c);
1772	–	case 4: FILL_8(dest, -4, c);
1773	–	case 3: FILL_8(dest, -3, c);
1774	–	case 2: FILL_8(dest, -2, c);
1775	–	case 1: FILL_8(dest, -1, c);
1776	–	} while (--n > 0);
1777	–	}
1778	–	}
1779	–
1780	–	// 32-bit cell to fill?
1781	–	if (length & 4) {
1782	–	FILL_4(dest, 0, color);
1783	–	if (bpp <= 16)
1784	–	dest += 4;
1785	–	}
1786	–
1787	–	// 16-bit cell to fill?
1788	–	if (bpp <= 16 && (length & 2)) {
1789	–	FILL_2(dest, 0, color);
1790	–	if (bpp <= 8)
1791	–	dest += 2;
1792	–	}
1793	–
1794	–	// 8-bit cell to fill?
1795	–	if (bpp <= 8 && (length & 1))
1796	–	FILL_1(dest, 0, color);
1797	–
1798	–	#undef FILL_1
1799	–	#undef FILL_2
1800	–	#undef FILL_4
1801	–	#undef FILL_8
1802	–	}
1803	–
1804	–	void NQD_fillrect(uint32 p)
1805	–	{
1806	–	D(bug("accl_fillrect %08x\n", p));
1807	–
1808	–	// Get filling parameters
1809	–	int16 dest_X = (int16)ReadMacInt16(p + acclDestRect + 2) - (int16)ReadMacInt16(p + acclDestBoundsRect + 2);
1810	–	int16 dest_Y = (int16)ReadMacInt16(p + acclDestRect + 0) - (int16)ReadMacInt16(p + acclDestBoundsRect + 0);
1811	–	int16 width = (int16)ReadMacInt16(p + acclDestRect + 6) - (int16)ReadMacInt16(p + acclDestRect + 2);
1812	–	int16 height = (int16)ReadMacInt16(p + acclDestRect + 4) - (int16)ReadMacInt16(p + acclDestRect + 0);
1813	–	uint32 color = ReadMacInt32(p + acclPenMode) == 8 ? ReadMacInt32(p + acclForePen) : ReadMacInt32(p + acclBackPen);
1814	–	D(bug(" dest X %d, dest Y %d\n", dest_X, dest_Y));
1815	–	D(bug(" width %d, height %d\n", width, height));
1816	–	D(bug(" bytes_per_row %d color %08x\n", (int32)ReadMacInt32(p + acclDestRowBytes), color));
1817	–
1818	–	// And perform the fill
1819	–	const int bpp = bytes_per_pixel(ReadMacInt32(p + acclDestPixelSize));
1820	–	const int dest_row_bytes = (int32)ReadMacInt32(p + acclDestRowBytes);
1821	–	uint8 dest = Mac2HostAddr(ReadMacInt32(p + acclDestBaseAddr) + (dest_Y dest_row_bytes) + (dest_X * bpp));
1822	–	width *= bpp;
1823	–	switch (bpp) {
1824	–	case 1:
1825	–	for (int i = 0; i < height; i++) {
1826	–	memset(dest, color, width);
1827	–	dest += dest_row_bytes;
1828	–	}
1829	–	break;
1830	–	case 2:
1831	–	for (int i = 0; i < height; i++) {
1832	–	do_fillrect<16>(dest, color, width);
1833	–	dest += dest_row_bytes;
1834	–	}
1835	–	break;
1836	–	case 4:
1837	–	for (int i = 0; i < height; i++) {
1838	–	do_fillrect<32>(dest, color, width);
1839	–	dest += dest_row_bytes;
1840	–	}
1841	–	break;
1842	–	}
1843	–	}
1844	–
1845	–	bool NQD_fillrect_hook(uint32 p)
1846	–	{
1847	–	D(bug("accl_fillrect_hook %08x\n", p));
1848	–
1849	–	// Check if we can accelerate this fillrect
1850	–	if (ReadMacInt32(p + 0x284) != 0 && ReadMacInt32(p + acclDestPixelSize) >= 8) {
1851	–	const int transfer_mode = ReadMacInt32(p + acclTransferMode);
1852	–	if (transfer_mode == 8) {
1853	–	// Fill
1854	–	WriteMacInt32(p + acclDrawProc, NativeTVECT(NATIVE_FILLRECT));
1855	–	return true;
1856	–	}
1857	–	else if (transfer_mode == 10) {
1858	–	// Invert
1859	–	WriteMacInt32(p + acclDrawProc, NativeTVECT(NATIVE_INVRECT));
1860	–	return true;
1861	–	}
1862	–	}
1863	–	return false;
1864	–	}
1865	–
1866	–	// Rectangle blitting
1867	–	// TODO: optimize for VOSF and target pixmap == screen
1868	–	void NQD_bitblt(uint32 p)
1869	–	{
1870	–	D(bug("accl_bitblt %08x\n", p));
1871	–
1872	–	// Get blitting parameters
1873	–	int16 src_X = (int16)ReadMacInt16(p + acclSrcRect + 2) - (int16)ReadMacInt16(p + acclSrcBoundsRect + 2);
1874	–	int16 src_Y = (int16)ReadMacInt16(p + acclSrcRect + 0) - (int16)ReadMacInt16(p + acclSrcBoundsRect + 0);
1875	–	int16 dest_X = (int16)ReadMacInt16(p + acclDestRect + 2) - (int16)ReadMacInt16(p + acclDestBoundsRect + 2);
1876	–	int16 dest_Y = (int16)ReadMacInt16(p + acclDestRect + 0) - (int16)ReadMacInt16(p + acclDestBoundsRect + 0);
1877	–	int16 width = (int16)ReadMacInt16(p + acclDestRect + 6) - (int16)ReadMacInt16(p + acclDestRect + 2);
1878	–	int16 height = (int16)ReadMacInt16(p + acclDestRect + 4) - (int16)ReadMacInt16(p + acclDestRect + 0);
1879	–	D(bug(" src addr %08x, dest addr %08x\n", ReadMacInt32(p + acclSrcBaseAddr), ReadMacInt32(p + acclDestBaseAddr)));
1880	–	D(bug(" src X %d, src Y %d, dest X %d, dest Y %d\n", src_X, src_Y, dest_X, dest_Y));
1881	–	D(bug(" width %d, height %d\n", width, height));
1882	–
1883	–	// And perform the blit
1884	–	const int bpp = bytes_per_pixel(ReadMacInt32(p + acclSrcPixelSize));
1885	–	width *= bpp;
1886	–	if ((int32)ReadMacInt32(p + acclSrcRowBytes) > 0) {
1887	–	const int src_row_bytes = (int32)ReadMacInt32(p + acclSrcRowBytes);
1888	–	const int dst_row_bytes = (int32)ReadMacInt32(p + acclDestRowBytes);
1889	–	uint8 src = Mac2HostAddr(ReadMacInt32(p + acclSrcBaseAddr) + (src_Y src_row_bytes) + (src_X * bpp));
1890	–	uint8 dst = Mac2HostAddr(ReadMacInt32(p + acclDestBaseAddr) + (dest_Y dst_row_bytes) + (dest_X * bpp));
1891	–	for (int i = 0; i < height; i++) {
1892	–	memmove(dst, src, width);
1893	–	src += src_row_bytes;
1894	–	dst += dst_row_bytes;
1895	–	}
1896	–	}
1897	–	else {
1898	–	const int src_row_bytes = -(int32)ReadMacInt32(p + acclSrcRowBytes);
1899	–	const int dst_row_bytes = -(int32)ReadMacInt32(p + acclDestRowBytes);
1900	–	uint8 src = Mac2HostAddr(ReadMacInt32(p + acclSrcBaseAddr) + ((src_Y + height - 1) src_row_bytes) + (src_X * bpp));
1901	–	uint8 dst = Mac2HostAddr(ReadMacInt32(p + acclDestBaseAddr) + ((dest_Y + height - 1) dst_row_bytes) + (dest_X * bpp));
1902	–	for (int i = height - 1; i >= 0; i--) {
1903	–	memmove(dst, src, width);
1904	–	src -= src_row_bytes;
1905	–	dst -= dst_row_bytes;
1906	–	}
1907	–	}
1908	–	}
1909	–
1910	–	/*
1911	–	BitBlt transfer modes:
1912	–	0 : srcCopy
1913	–	1 : srcOr
1914	–	2 : srcXor
1915	–	3 : srcBic
1916	–	4 : notSrcCopy
1917	–	5 : notSrcOr
1918	–	6 : notSrcXor
1919	–	7 : notSrcBic
1920	–	32 : blend
1921	–	33 : addPin
1922	–	34 : addOver
1923	–	35 : subPin
1924	–	36 : transparent
1925	–	37 : adMax
1926	–	38 : subOver
1927	–	39 : adMin
1928	–	50 : hilite
1929	–	*/
1930	–
1931	–	bool NQD_bitblt_hook(uint32 p)
1932	–	{
1933	–	D(bug("accl_draw_hook %08x\n", p));
1934	–
1935	–	// Check if we can accelerate this bitblt
1936	–	if (ReadMacInt32(p + 0x018) + ReadMacInt32(p + 0x128) == 0 &&
1937	–	ReadMacInt32(p + 0x130) == 0 &&
1938	–	ReadMacInt32(p + acclSrcPixelSize) >= 8 &&
1939	–	ReadMacInt32(p + acclSrcPixelSize) == ReadMacInt32(p + acclDestPixelSize) &&
1940	–	(ReadMacInt32(p + acclSrcRowBytes) ^ ReadMacInt32(p + acclDestRowBytes)) >= 0 && // same sign?
1941	–	ReadMacInt32(p + acclTransferMode) == 0 && // srcCopy?
1942	–	ReadMacInt32(p + 0x15c) > 0) {
1943	–
1944	–	// Yes, set function pointer
1945	–	WriteMacInt32(p + acclDrawProc, NativeTVECT(NATIVE_BITBLT));
1946	–	return true;
1947	–	}
1948	–	return false;
1949	–	}
1950	–
1951	–	// Wait for graphics operation to finish
1952	–	bool NQD_sync_hook(uint32 arg)
1953	–	{
1954	–	D(bug("accl_sync_hook %08x\n", arg));
1955	–	return true;
1956	–	}
1957	–
1958	–	void VideoInstallAccel(void)
1959	–	{
1960	–	// Temporary hack until it's fixed for e.g. little-endian & 64-bit platforms
1961	–	#ifndef __powerpc__
1962	–	return;
1963	–	#endif
1964	–
1965	–	// Install acceleration hooks
1966	–	if (PrefsFindBool("gfxaccel")) {
1967	–	D(bug("Video: Installing acceleration hooks\n"));
1968	–	uint32 base;
1969	–
1970	–	SheepVar bitblt_hook_info(sizeof(accl_hook_info));
1971	–	base = bitblt_hook_info.addr();
1972	–	WriteMacInt32(base + 0, NativeTVECT(NATIVE_BITBLT_HOOK));
1973	–	WriteMacInt32(base + 4, NativeTVECT(NATIVE_SYNC_HOOK));
1974	–	WriteMacInt32(base + 8, ACCL_BITBLT);
1975	–	NQDMisc(6, bitblt_hook_info.ptr());
1976	–
1977	–	SheepVar fillrect_hook_info(sizeof(accl_hook_info));
1978	–	base = fillrect_hook_info.addr();
1979	–	WriteMacInt32(base + 0, NativeTVECT(NATIVE_FILLRECT_HOOK));
1980	–	WriteMacInt32(base + 4, NativeTVECT(NATIVE_SYNC_HOOK));
1981	–	WriteMacInt32(base + 8, ACCL_FILLRECT);
1982	–	NQDMisc(6, fillrect_hook_info.ptr());
1983	–	}
1984	–	}
1985	–
1986	–
1987	–	/*
2021		* Change video mode
2022		*/
2023
#	Line 2257 \| Line 2290 \| static void handle_palette_changes(void)
2290		}
2291
2292		#ifdef ENABLE_XF86_DGA
2293	<	if (display_type == DIS_SCREEN) {
2293	>	if (display_type == DIS_SCREEN && !is_fbdev_dga_mode) {
2294		current_dga_cmap ^= 1;
2295		if (!IsDirectMode(mode) && cmap[current_dga_cmap])
2296		XF86DGAInstallColormap(x_display, screen, cmap[current_dga_cmap]);
#	Line 2276 \| Line 2309 \| *static void redraw_func(void arg)*
2309		int64 ticks = 0;
2310		uint64 next = GetTicks_usec() + VIDEO_REFRESH_DELAY;
2311
2312	<	for (;;) {
2312	>	while (!redraw_thread_cancel) {
2313
2314		// Pause if requested (during video mode switches)
2315		while (thread_stop_req)
#	Line 2302 \| Line 2335 \| *static void redraw_func(void arg)*
2335		quit_full_screen = false;
2336		if (display_type == DIS_SCREEN) {
2337		XDisplayLock();
2338	+	#if defined(ENABLE_XF86_DGA) \|\| defined(ENABLE_FBDEV_DGA)
2339		#ifdef ENABLE_XF86_DGA
2340	<	XF86DGADirectVideo(x_display, screen, 0);
2340	>	if (is_fbdev_dga_mode)
2341	>	XF86DGADirectVideo(x_display, screen, 0);
2342	>	#endif
2343		XUngrabPointer(x_display, CurrentTime);
2344		XUngrabKeyboard(x_display, CurrentTime);
2345		XUnmapWindow(x_display, the_win);
#	Line 2343 \| Line 2379 \| *static void redraw_func(void arg)*
2379		// Set new cursor image if it was changed
2380		if (hw_mac_cursor_accl && cursor_changed) {
2381		cursor_changed = false;
2382	<	memcpy(cursor_image->data, MacCursor + 4, 32);
2383	<	memcpy(cursor_mask_image->data, MacCursor + 36, 32);
2382	>	uint8 x_data = (uint8 )cursor_image->data;
2383	>	uint8 x_mask = (uint8 )cursor_mask_image->data;
2384	>	for (int i = 0; i < 32; i++) {
2385	>	x_mask[i] = MacCursor[4 + i] \| MacCursor[36 + i];
2386	>	x_data[i] = MacCursor[4 + i];
2387	>	}
2388		XDisplayLock();
2389		XFreeCursor(x_display, mac_cursor);
2390		XPutImage(x_display, cursor_map, cursor_gc, cursor_image, 0, 0, 0, 0, 16, 16);

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Comparing SheepShaver/src/Unix/video_x.cpp (file contents): Revision 1.23 by gbeauche, 2004-05-16T15:48:25Z vs. Revision 1.39 by gbeauche, 2005-03-28T09:05:28Z

Diff Legend

Comparing SheepShaver/src/Unix/video_x.cpp (file contents):
Revision 1.23 by gbeauche, 2004-05-16T15:48:25Z vs.
Revision 1.39 by gbeauche, 2005-03-28T09:05:28Z