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root/cebix/BasiliskII/src/SDL/video_sdl.cpp

Comparing BasiliskII/src/SDL/video_sdl.cpp (file contents):
Revision 1.12 by gbeauche, 2004-07-27T21:40:52Z vs.
Revision 1.34 by gbeauche, 2008-01-01T09:40:32Z

#	Line 1 | Line 1
1		/*
2		*  video_sdl.cpp - Video/graphics emulation, SDL specific stuff
3		*
4	<	*  Basilisk II (C) 1997-2004 Christian Bauer
4	>	*  Basilisk II (C) 1997-2008 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 21 | Line 21
21		/*
22		*  NOTES:
23		*    The Ctrl key works like a qualifier for special actions:
24	<	*      Ctrl-Tab = suspend DGA mode
24	>	*      Ctrl-Tab = suspend DGA mode (TODO)
25		*      Ctrl-Esc = emergency quit
26		*      Ctrl-F1 = mount floppy
27		*      Ctrl-F5 = grab mouse (in windowed mode)
28		*
29		*  FIXMEs and TODOs:
30	+	*  - Windows requires an extra mouse event to update the actual cursor image?
31	+	*  - Ctr-Tab for suspend/resume but how? SDL does not support that for non-Linux
32		*  - Ctrl-Fn doesn't generate SDL_KEYDOWN events (SDL bug?)
33		*  - Mouse acceleration, there is no API in SDL yet for that
34		*  - Force relative mode in Grab mode even if SDL provides absolute coordinates?
33	–	*  - Fullscreen mode
35		*  - Gamma tables support is likely to be broken here
36		*  - Events processing is bound to the general emulation thread as SDL requires
37		*    to PumpEvents() within the same thread as the one that called SetVideoMode().
38		*    Besides, there can't seem to be a way to call SetVideoMode() from a child thread.
38	–	*  - Refresh performance is still slow. Use SDL_CreateRGBSurface()?
39		*  - Backport hw cursor acceleration to Basilisk II?
40	+	*  - Factor out code
41		*/
42
43		#include "sysdeps.h"
#	Line 47 | Line 48
48		#include <errno.h>
49		#include <vector>
50
51	+	#ifdef WIN32
52	+	#include <malloc.h> /* alloca() */
53	+	#endif
54	+
55		#include "cpu_emulation.h"
56		#include "main.h"
57		#include "adb.h"
#	Line 56 | Line 61
61		#include "video.h"
62		#include "video_defs.h"
63		#include "video_blit.h"
64	+	#include "vm_alloc.h"
65
66		#define DEBUG 0
67		#include "debug.h"
#	Line 81 | Line 87 | static int display_type = DISPLAY_WINDOW
87		#endif
88
89		// Constants
90	+	#ifdef WIN32
91	+	const char KEYCODE_FILE_NAME[] = "BasiliskII_keycodes";
92	+	#else
93		const char KEYCODE_FILE_NAME[] = DATADIR "/keycodes";
94	+	#endif
95
96
97		// Global variables
#	Line 94 | Line 104 | static uint8 *the_buffer_copy = NULL;
104		static uint32 the_buffer_size;                                          // Size of allocated the_buffer
105
106		static bool redraw_thread_active = false;                       // Flag: Redraw thread installed
107	+	#ifndef USE_CPU_EMUL_SERVICES
108		static volatile bool redraw_thread_cancel;                      // Flag: Cancel Redraw thread
109		static SDL_Thread *redraw_thread = NULL;                        // Redraw thread
110	+	#ifdef SHEEPSHAVER
111	+	static volatile bool thread_stop_req = false;
112	+	static volatile bool thread_stop_ack = false;           // Acknowledge for thread_stop_req
113	+	#endif
114	+	#endif
115
116		#ifdef ENABLE_VOSF
117		static bool use_vosf = false;                                           // Flag: VOSF enabled
#	Line 122 | Line 138 | static SDL_Color sdl_palette[256];                                     /
138		static bool sdl_palette_changed = false;                        // Flag: Palette changed, redraw thread must set new colors
139		static const int sdl_eventmask = SDL_MOUSEBUTTONDOWNMASK | SDL_MOUSEBUTTONUPMASK | SDL_MOUSEMOTIONMASK | SDL_KEYUPMASK | SDL_KEYDOWNMASK | SDL_VIDEOEXPOSEMASK | SDL_QUITMASK;
140
141	+	// Mutex to protect SDL events
142	+	static SDL_mutex *sdl_events_lock = NULL;
143	+	#define LOCK_EVENTS SDL_LockMutex(sdl_events_lock)
144	+	#define UNLOCK_EVENTS SDL_UnlockMutex(sdl_events_lock)
145	+
146		// Mutex to protect palette
147		static SDL_mutex *sdl_palette_lock = NULL;
148		#define LOCK_PALETTE SDL_LockMutex(sdl_palette_lock)
#	Line 145 | Line 166 | extern void SysMountFirstFloppy(void);
166
167
168		/*
169	+	*  SDL surface locking glue
170	+	*/
171	+
172	+	#ifdef ENABLE_VOSF
173	+	#define SDL_VIDEO_LOCK_VOSF_SURFACE(SURFACE) do {                               \
174	+	if ((SURFACE)->flags & (SDL_HWSURFACE | SDL_FULLSCREEN))        \
175	+	the_host_buffer = (uint8 *)(SURFACE)->pixels;                   \
176	+	} while (0)
177	+	#else
178	+	#define SDL_VIDEO_LOCK_VOSF_SURFACE(SURFACE)
179	+	#endif
180	+
181	+	#define SDL_VIDEO_LOCK_SURFACE(SURFACE) do {    \
182	+	if (SDL_MUSTLOCK(SURFACE)) {                            \
183	+	SDL_LockSurface(SURFACE);                               \
184	+	SDL_VIDEO_LOCK_VOSF_SURFACE(SURFACE);   \
185	+	}                                                                                       \
186	+	} while (0)
187	+
188	+	#define SDL_VIDEO_UNLOCK_SURFACE(SURFACE) do {  \
189	+	if (SDL_MUSTLOCK(SURFACE))                                      \
190	+	SDL_UnlockSurface(SURFACE);                             \
191	+	} while (0)
192	+
193	+
194	+	/*
195	+	*  Framebuffer allocation routines
196	+	*/
197	+
198	+	static void *vm_acquire_framebuffer(uint32 size)
199	+	{
200	+	// always try to reallocate framebuffer at the same address
201	+	static void *fb = VM_MAP_FAILED;
202	+	if (fb != VM_MAP_FAILED) {
203	+	if (vm_acquire_fixed(fb, size) < 0) {
204	+	#ifndef SHEEPSHAVER
205	+	printf("FATAL: Could not reallocate framebuffer at previous address\n");
206	+	#endif
207	+	fb = VM_MAP_FAILED;
208	+	}
209	+	}
210	+	if (fb == VM_MAP_FAILED)
211	+	fb = vm_acquire(size, VM_MAP_DEFAULT | VM_MAP_32BIT);
212	+	return fb;
213	+	}
214	+
215	+	static inline void vm_release_framebuffer(void *fb, uint32 size)
216	+	{
217	+	vm_release(fb, size);
218	+	}
219	+
220	+
221	+	/*
222	+	*  Windows message handler
223	+	*/
224	+
225	+	#ifdef WIN32
226	+	#include <dbt.h>
227	+	static WNDPROC sdl_window_proc = NULL;                          // Window proc used by SDL
228	+
229	+	extern void SysMediaArrived(void);
230	+	extern void SysMediaRemoved(void);
231	+	extern HWND GetMainWindowHandle(void);
232	+
233	+	static LRESULT CALLBACK windows_message_handler(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
234	+	{
235	+	switch (msg) {
236	+	case WM_DEVICECHANGE:
237	+	if (wParam == DBT_DEVICEREMOVECOMPLETE) {
238	+	DEV_BROADCAST_HDR *p = (DEV_BROADCAST_HDR *)lParam;
239	+	if (p->dbch_devicetype == DBT_DEVTYP_VOLUME)
240	+	SysMediaRemoved();
241	+	}
242	+	else if (wParam == DBT_DEVICEARRIVAL) {
243	+	DEV_BROADCAST_HDR *p = (DEV_BROADCAST_HDR *)lParam;
244	+	if (p->dbch_devicetype == DBT_DEVTYP_VOLUME)
245	+	SysMediaArrived();
246	+	}
247	+	return 0;
248	+
249	+	default:
250	+	if (sdl_window_proc)
251	+	return CallWindowProc(sdl_window_proc, hwnd, msg, wParam, lParam);
252	+	}
253	+
254	+	return DefWindowProc(hwnd, msg, wParam, lParam);
255	+	}
256	+	#endif
257	+
258	+
259	+	/*
260		*  SheepShaver glue
261		*/
262
#	Line 189 | Line 301 | static vector<monitor_desc *> VideoMonit
301		// Find Apple mode matching best specified dimensions
302		static int find_apple_resolution(int xsize, int ysize)
303		{
304	<	int apple_id;
305	<	if (xsize < 800)
306	<	apple_id = APPLE_640x480;
307	<	else if (xsize < 1024)
308	<	apple_id = APPLE_800x600;
309	<	else if (xsize < 1152)
310	<	apple_id = APPLE_1024x768;
311	<	else if (xsize < 1280) {
312	<	if (ysize < 900)
313	<	apple_id = APPLE_1152x768;
314	<	else
315	<	apple_id = APPLE_1152x900;
316	<	}
317	<	else if (xsize < 1600)
318	<	apple_id = APPLE_1280x1024;
207	<	else
208	<	apple_id = APPLE_1600x1200;
209	<	return apple_id;
210	<	}
211	<
212	<	// Set parameters to specified Apple mode
213	<	static void set_apple_resolution(int apple_id, int &xsize, int &ysize)
214	<	{
215	<	switch (apple_id) {
216	<	case APPLE_640x480:
217	<	xsize = 640;
218	<	ysize = 480;
219	<	break;
220	<	case APPLE_800x600:
221	<	xsize = 800;
222	<	ysize = 600;
223	<	break;
224	<	case APPLE_1024x768:
225	<	xsize = 1024;
226	<	ysize = 768;
227	<	break;
228	<	case APPLE_1152x768:
229	<	xsize = 1152;
230	<	ysize = 768;
231	<	break;
232	<	case APPLE_1152x900:
233	<	xsize = 1152;
234	<	ysize = 900;
235	<	break;
236	<	case APPLE_1280x1024:
237	<	xsize = 1280;
238	<	ysize = 1024;
239	<	break;
240	<	case APPLE_1600x1200:
241	<	xsize = 1600;
242	<	ysize = 1200;
243	<	break;
244	<	default:
245	<	abort();
246	<	}
247	<	}
248	<
249	<	// Match Apple mode matching best specified dimensions
250	<	static int match_apple_resolution(int &xsize, int &ysize)
251	<	{
252	<	int apple_id = find_apple_resolution(xsize, ysize);
253	<	set_apple_resolution(apple_id, xsize, ysize);
254	<	return apple_id;
304	>	if (xsize == 640 && ysize == 480)
305	>	return APPLE_640x480;
306	>	if (xsize == 800 && ysize == 600)
307	>	return APPLE_800x600;
308	>	if (xsize == 1024 && ysize == 768)
309	>	return APPLE_1024x768;
310	>	if (xsize == 1152 && ysize == 768)
311	>	return APPLE_1152x768;
312	>	if (xsize == 1152 && ysize == 900)
313	>	return APPLE_1152x900;
314	>	if (xsize == 1280 && ysize == 1024)
315	>	return APPLE_1280x1024;
316	>	if (xsize == 1600 && ysize == 1200)
317	>	return APPLE_1600x1200;
318	>	return APPLE_CUSTOM;
319		}
320
321		// Display error alert
#	Line 358 | Line 422 | static int sdl_depth_of_video_depth(int
422		return (video_depth <= VIDEO_DEPTH_8BIT) ? 8 : mac_depth_of_video_depth(video_depth);
423		}
424
425	<	// Check wether specified mode is available
426	<	static bool has_mode(int type, int width, int height)
425	>	// Get screen dimensions
426	>	static void sdl_display_dimensions(int &width, int &height)
427		{
428	<	// FIXME: no fullscreen support yet
429	<	if (type == DISPLAY_SCREEN)
430	<	return false;
428	>	static int max_width, max_height;
429	>	if (max_width == 0 && max_height == 0) {
430	>	max_width = 640 ; max_height = 480;
431	>	SDL_Rect **modes = SDL_ListModes(NULL, SDL_FULLSCREEN | SDL_HWSURFACE);
432	>	if (modes && modes != (SDL_Rect **)-1) {
433	>	// It turns out that on some implementations, and contrary to the documentation,
434	>	// the returned list is not sorted from largest to smallest (e.g. Windows)
435	>	for (int i = 0; modes[i] != NULL; i++) {
436	>	const int w = modes[i]->w;
437	>	const int h = modes[i]->h;
438	>	if (w > max_width && h > max_height) {
439	>	max_width = w;
440	>	max_height = h;
441	>	}
442	>	}
443	>	}
444	>	}
445	>	width = max_width;
446	>	height = max_height;
447	>	}
448	>
449	>	static inline int sdl_display_width(void)
450	>	{
451	>	int width, height;
452	>	sdl_display_dimensions(width, height);
453	>	return width;
454	>	}
455	>
456	>	static inline int sdl_display_height(void)
457	>	{
458	>	int width, height;
459	>	sdl_display_dimensions(width, height);
460	>	return height;
461	>	}
462
463	+	// Check wether specified mode is available
464	+	static bool has_mode(int type, int width, int height, int depth)
465	+	{
466		#ifdef SHEEPSHAVER
467	<	// Filter out Classic resolutiosn
467	>	// Filter out Classic resolutions
468		if (width == 512 && height == 384)
469		return false;
372	–
373	–	// Read window modes prefs
374	–	static uint32 window_modes = 0;
375	–	static uint32 screen_modes = 0;
376	–	if (window_modes == 0 || screen_modes == 0) {
377	–	window_modes = PrefsFindInt32("windowmodes");
378	–	screen_modes = PrefsFindInt32("screenmodes");
379	–	if (window_modes == 0 || screen_modes == 0)
380	–	window_modes |= 3;                      // Allow at least 640x480 and 800x600 window modes
381	–	}
382	–
383	–	if (type == DISPLAY_WINDOW) {
384	–	int apple_mask, apple_id = find_apple_resolution(width, height);
385	–	switch (apple_id) {
386	–	case APPLE_640x480:             apple_mask = 0x01; break;
387	–	case APPLE_800x600:             apple_mask = 0x02; break;
388	–	case APPLE_1024x768:    apple_mask = 0x04; break;
389	–	case APPLE_1152x768:    apple_mask = 0x40; break;
390	–	case APPLE_1152x900:    apple_mask = 0x08; break;
391	–	case APPLE_1280x1024:   apple_mask = 0x10; break;
392	–	case APPLE_1600x1200:   apple_mask = 0x20; break;
393	–	default:                                apple_mask = 0x00; break;
394	–	}
395	–	return (window_modes & apple_mask);
396	–	}
397	–	#else
398	–	return true;
470		#endif
471	<	return false;
471	>
472	>	// Filter out out-of-bounds resolutions
473	>	if (width > sdl_display_width() || height > sdl_display_height())
474	>	return false;
475	>
476	>	// Rely on SDL capabilities
477	>	return SDL_VideoModeOK(width, height,
478	>	sdl_depth_of_video_depth(depth),
479	>	SDL_HWSURFACE | (type == DISPLAY_SCREEN ? SDL_FULLSCREEN : 0));
480		}
481
482		// Add mode to list of supported modes
483		static void add_mode(int type, int width, int height, int resolution_id, int bytes_per_row, int depth)
484		{
485		// Filter out unsupported modes
486	<	if (!has_mode(type, width, height))
486	>	if (!has_mode(type, width, height, depth))
487		return;
488
489		// Fill in VideoMode entry
490		VIDEO_MODE mode;
491		#ifdef SHEEPSHAVER
492	<	// Recalculate dimensions to fit Apple modes
414	<	resolution_id = match_apple_resolution(width, height);
492	>	resolution_id = find_apple_resolution(width, height);
493		mode.viType = type;
494		#endif
495		VIDEO_MODE_X = width;
#	Line 422 | Line 500 | static void add_mode(int type, int width
500		VideoModes.push_back(mode);
501		}
502
425	–	// Add standard list of windowed modes for given color depth
426	–	static void add_window_modes(int depth)
427	–	{
428	–	video_depth vdepth = (video_depth)depth;
429	–	add_mode(DISPLAY_WINDOW, 512, 384, 0x80, TrivialBytesPerRow(512, vdepth), depth);
430	–	add_mode(DISPLAY_WINDOW, 640, 480, 0x81, TrivialBytesPerRow(640, vdepth), depth);
431	–	add_mode(DISPLAY_WINDOW, 800, 600, 0x82, TrivialBytesPerRow(800, vdepth), depth);
432	–	add_mode(DISPLAY_WINDOW, 1024, 768, 0x83, TrivialBytesPerRow(1024, vdepth), depth);
433	–	add_mode(DISPLAY_WINDOW, 1152, 870, 0x84, TrivialBytesPerRow(1152, vdepth), depth);
434	–	add_mode(DISPLAY_WINDOW, 1280, 1024, 0x85, TrivialBytesPerRow(1280, vdepth), depth);
435	–	add_mode(DISPLAY_WINDOW, 1600, 1200, 0x86, TrivialBytesPerRow(1600, vdepth), depth);
436	–	}
437	–
503		// Set Mac frame layout and base address (uses the_buffer/MacFrameBaseMac)
504		static void set_mac_frame_buffer(SDL_monitor_desc &monitor, int depth, bool native_byte_order)
505		{
#	Line 474 | Line 539 | static void set_window_name(int name)
539		// Set mouse grab mode
540		static SDL_GrabMode set_grab_mode(SDL_GrabMode mode)
541		{
542	<	const SDL_VideoInfo *vi =SDL_GetVideoInfo();
542	>	const SDL_VideoInfo *vi = SDL_GetVideoInfo();
543		return (vi && vi->wm_available ? SDL_WM_GrabInput(mode) : SDL_GRAB_OFF);
544		}
545
546	+	// Migrate preferences items (XXX to be handled in MigratePrefs())
547	+	static void migrate_screen_prefs(void)
548	+	{
549	+	#ifdef SHEEPSHAVER
550	+	// Look-up priorities are: "screen", "screenmodes", "windowmodes".
551	+	if (PrefsFindString("screen"))
552	+	return;
553	+
554	+	uint32 window_modes = PrefsFindInt32("windowmodes");
555	+	uint32 screen_modes = PrefsFindInt32("screenmodes");
556	+	int width = 0, height = 0;
557	+	if (screen_modes) {
558	+	static const struct {
559	+	int id;
560	+	int width;
561	+	int height;
562	+	}
563	+	modes[] = {
564	+	{  1,    640,    480 },
565	+	{  2,    800,    600 },
566	+	{  4,   1024,    768 },
567	+	{ 64,   1152,    768 },
568	+	{  8,   1152,    900 },
569	+	{ 16,   1280,   1024 },
570	+	{ 32,   1600,   1200 },
571	+	{ 0, }
572	+	};
573	+	for (int i = 0; modes[i].id != 0; i++) {
574	+	if (screen_modes & modes[i].id) {
575	+	if (width < modes[i].width && height < modes[i].height) {
576	+	width = modes[i].width;
577	+	height = modes[i].height;
578	+	}
579	+	}
580	+	}
581	+	} else {
582	+	if (window_modes & 1)
583	+	width = 640, height = 480;
584	+	if (window_modes & 2)
585	+	width = 800, height = 600;
586	+	}
587	+	if (width && height) {
588	+	char str[32];
589	+	sprintf(str, "%s/%d/%d", screen_modes ? "dga" : "win", width, height);
590	+	PrefsReplaceString("screen", str);
591	+	}
592	+	#endif
593	+	}
594	+
595
596		/*
597		*  Display "driver" classes
#	Line 533 | Line 647 | private:
647		int mouse_last_x, mouse_last_y; // Last mouse position (for relative mode)
648		};
649
650	+	class driver_fullscreen : public driver_base {
651	+	public:
652	+	driver_fullscreen(SDL_monitor_desc &monitor);
653	+	~driver_fullscreen();
654	+	};
655	+
656		static driver_base *drv = NULL; // Pointer to currently used driver object
657
658		#ifdef ENABLE_VOSF
#	Line 554 | Line 674 | driver_base::~driver_base()
674		if (s)
675		SDL_FreeSurface(s);
676
677	+	// the_buffer shall always be mapped through vm_acquire_framebuffer()
678	+	if (the_buffer != VM_MAP_FAILED) {
679	+	D(bug(" releasing the_buffer at %p (%d bytes)\n", the_buffer, the_buffer_size));
680	+	vm_release_framebuffer(the_buffer, the_buffer_size);
681	+	the_buffer = NULL;
682	+	}
683	+
684		// Free frame buffer(s)
685		if (!use_vosf) {
559	–	if (the_buffer) {
560	–	free(the_buffer);
561	–	the_buffer = NULL;
562	–	}
686		if (the_buffer_copy) {
687		free(the_buffer_copy);
688		the_buffer_copy = NULL;
#	Line 567 | Line 690 | driver_base::~driver_base()
690		}
691		#ifdef ENABLE_VOSF
692		else {
570	–	// the_buffer shall always be mapped through vm_acquire() so that we can vm_protect() it at will
571	–	if (the_buffer != VM_MAP_FAILED) {
572	–	D(bug(" releasing the_buffer at %p (%d bytes)\n", the_buffer, the_buffer_size));
573	–	vm_release(the_buffer, the_buffer_size);
574	–	the_buffer = NULL;
575	–	}
693		if (the_host_buffer) {
694		D(bug(" freeing the_host_buffer at %p\n", the_host_buffer));
695		free(the_host_buffer);
#	Line 583 | Line 700 | driver_base::~driver_base()
700		free(the_buffer_copy);
701		the_buffer_copy = NULL;
702		}
703	+
704	+	// Deinitialize VOSF
705	+	video_vosf_exit();
706		}
707		#endif
708		}
#	Line 611 | Line 731 | void driver_base::restore_mouse_accel(vo
731		*  Windowed display driver
732		*/
733
734	+	static bool SDL_display_opened = false;
735	+
736		// Open display
737		driver_window::driver_window(SDL_monitor_desc &m)
738		: driver_base(m), mouse_grabbed(false)
#	Line 622 | Line 744 | driver_window::driver_window(SDL_monitor
744		// Set absolute mouse mode
745		ADBSetRelMouseMode(mouse_grabbed);
746
747	+	// This is ugly:
748	+	// If we're switching resolutions (ie, not setting it for the first time),
749	+	// there's a bug in SDL where the SDL_Surface created will not be properly
750	+	// setup. The solution is to SDL_QuitSubSystem(SDL_INIT_VIDEO) before calling
751	+	// SDL_SetVideoMode for the second time (SDL_SetVideoMode will call SDL_Init()
752	+	// and all will be well). Without this, the video becomes corrupted (at least
753	+	// on Mac OS X), after the resolution switch.
754	+	if (SDL_display_opened)
755	+	SDL_QuitSubSystem(SDL_INIT_VIDEO);
756	+
757		// Create surface
758		int depth = sdl_depth_of_video_depth(VIDEO_MODE_DEPTH);
759		if ((s = SDL_SetVideoMode(width, height, depth, SDL_HWSURFACE)) == NULL)
760		return;
761
762	+	SDL_display_opened = true;
763	+
764		#ifdef ENABLE_VOSF
765		use_vosf = true;
766		// Allocate memory for frame buffer (SIZE is extended to page-boundary)
767		the_host_buffer = (uint8 *)s->pixels;
768		the_buffer_size = page_extend((aligned_height + 2) * s->pitch);
769	<	the_buffer = (uint8 *)vm_acquire(the_buffer_size);
769	>	the_buffer = (uint8 *)vm_acquire_framebuffer(the_buffer_size);
770		the_buffer_copy = (uint8 *)malloc(the_buffer_size);
771		D(bug("the_buffer = %p, the_buffer_copy = %p, the_host_buffer = %p\n", the_buffer, the_buffer_copy, the_host_buffer));
772
#	Line 656 | Line 790 | driver_window::driver_window(SDL_monitor
790		// Allocate memory for frame buffer
791		the_buffer_size = (aligned_height + 2) * s->pitch;
792		the_buffer_copy = (uint8 *)calloc(1, the_buffer_size);
793	<	the_buffer = (uint8 *)calloc(1, the_buffer_size);
793	>	the_buffer = (uint8 *)vm_acquire_framebuffer(the_buffer_size);
794		D(bug("the_buffer = %p, the_buffer_copy = %p\n", the_buffer, the_buffer_copy));
795		}
796
#	Line 748 | Line 882 | void driver_window::mouse_moved(int x, i
882		ADBMouseMoved(x, y);
883		}
884
885	+
886	+	/*
887	+	*  Full-screen display driver
888	+	*/
889	+
890	+	// Open display
891	+	driver_fullscreen::driver_fullscreen(SDL_monitor_desc &m)
892	+	: driver_base(m)
893	+	{
894	+	int width = VIDEO_MODE_X, height = VIDEO_MODE_Y;
895	+	int aligned_width = (width + 15) & ~15;
896	+	int aligned_height = (height + 15) & ~15;
897	+
898	+	// Set absolute mouse mode
899	+	ADBSetRelMouseMode(false);
900	+
901	+	// Create surface
902	+	int depth = sdl_depth_of_video_depth(VIDEO_MODE_DEPTH);
903	+	if ((s = SDL_SetVideoMode(width, height, depth, SDL_HWSURFACE | SDL_FULLSCREEN)) == NULL)
904	+	return;
905	+
906	+	#ifdef ENABLE_VOSF
907	+	use_vosf = true;
908	+	// Allocate memory for frame buffer (SIZE is extended to page-boundary)
909	+	the_host_buffer = (uint8 *)s->pixels;
910	+	the_buffer_size = page_extend((aligned_height + 2) * s->pitch);
911	+	the_buffer = (uint8 *)vm_acquire_framebuffer(the_buffer_size);
912	+	the_buffer_copy = (uint8 *)malloc(the_buffer_size);
913	+	D(bug("the_buffer = %p, the_buffer_copy = %p, the_host_buffer = %p\n", the_buffer, the_buffer_copy, the_host_buffer));
914	+
915	+	// Check whether we can initialize the VOSF subsystem and it's profitable
916	+	if (!video_vosf_init(m)) {
917	+	WarningAlert(STR_VOSF_INIT_ERR);
918	+	use_vosf = false;
919	+	}
920	+	else if (!video_vosf_profitable()) {
921	+	video_vosf_exit();
922	+	printf("VOSF acceleration is not profitable on this platform, disabling it\n");
923	+	use_vosf = false;
924	+	}
925	+	if (!use_vosf) {
926	+	free(the_buffer_copy);
927	+	vm_release(the_buffer, the_buffer_size);
928	+	the_host_buffer = NULL;
929	+	}
930	+	#endif
931	+	if (!use_vosf) {
932	+	// Allocate memory for frame buffer
933	+	the_buffer_size = (aligned_height + 2) * s->pitch;
934	+	the_buffer_copy = (uint8 *)calloc(1, the_buffer_size);
935	+	the_buffer = (uint8 *)vm_acquire_framebuffer(the_buffer_size);
936	+	D(bug("the_buffer = %p, the_buffer_copy = %p\n", the_buffer, the_buffer_copy));
937	+	}
938	+
939	+	// Hide cursor
940	+	SDL_ShowCursor(0);
941	+
942	+	// Init blitting routines
943	+	SDL_PixelFormat *f = s->format;
944	+	VisualFormat visualFormat;
945	+	visualFormat.depth = depth;
946	+	visualFormat.Rmask = f->Rmask;
947	+	visualFormat.Gmask = f->Gmask;
948	+	visualFormat.Bmask = f->Bmask;
949	+	Screen_blitter_init(visualFormat, true, mac_depth_of_video_depth(VIDEO_MODE_DEPTH));
950	+
951	+	// Load gray ramp to 8->16/32 expand map
952	+	if (!IsDirectMode(mode))
953	+	for (int i=0; i<256; i++)
954	+	ExpandMap[i] = SDL_MapRGB(f, i, i, i);
955	+
956	+	// Set frame buffer base
957	+	set_mac_frame_buffer(monitor, VIDEO_MODE_DEPTH, true);
958	+
959	+	// Everything went well
960	+	init_ok = true;
961	+	}
962	+
963	+	// Close display
964	+	driver_fullscreen::~driver_fullscreen()
965	+	{
966	+	#ifdef ENABLE_VOSF
967	+	if (use_vosf)
968	+	the_host_buffer = NULL; // don't free() in driver_base dtor
969	+	#endif
970	+	if (s)
971	+	SDL_FreeSurface(s);
972	+
973	+	// Show cursor
974	+	SDL_ShowCursor(1);
975	+	}
976	+
977	+
978		/*
979		*  Initialization
980		*/
#	Line 779 | Line 1006 | static void keycode_init(void)
1006		SDL_VideoDriverName(video_driver, sizeof(video_driver));
1007		bool video_driver_found = false;
1008		char line[256];
1009	+	int n_keys = 0;
1010		while (fgets(line, sizeof(line) - 1, f)) {
1011		// Read line
1012		int len = strlen(line);
#	Line 791 | Line 1019 | static void keycode_init(void)
1019		continue;
1020
1021		if (video_driver_found) {
1022	<	// Skip aliases
1022	>	// Skip aliases as long as we have read keycodes yet
1023	>	// Otherwise, it's another mapping and we have to stop
1024		static const char sdl_str[] = "sdl";
1025	<	if (strncmp(line, sdl_str, sizeof(sdl_str) - 1) == 0)
1025	>	if (strncmp(line, sdl_str, sizeof(sdl_str) - 1) == 0 && n_keys == 0)
1026		continue;
1027
1028		// Read keycode
1029		int x_code, mac_code;
1030		if (sscanf(line, "%d %d", &x_code, &mac_code) == 2)
1031	<	keycode_table[x_code & 0xff] = mac_code;
1031	>	keycode_table[x_code & 0xff] = mac_code, n_keys++;
1032		else
1033		break;
1034		} else {
#	Line 824 | Line 1053 | static void keycode_init(void)
1053		WarningAlert(str);
1054		return;
1055		}
1056	+
1057	+	D(bug("Using SDL/%s keycodes table, %d key mappings\n", video_driver, n_keys));
1058		}
1059		}
1060
#	Line 842 | Line 1073 | bool SDL_monitor_desc::video_open(void)
1073		case DISPLAY_WINDOW:
1074		drv = new(std::nothrow) driver_window(*this);
1075		break;
1076	+	case DISPLAY_SCREEN:
1077	+	drv = new(std::nothrow) driver_fullscreen(*this);
1078	+	break;
1079		}
1080		if (drv == NULL)
1081		return false;
#	Line 851 | Line 1085 | bool SDL_monitor_desc::video_open(void)
1085		return false;
1086		}
1087
1088	+	#ifdef WIN32
1089	+	// Chain in a new message handler for WM_DEVICECHANGE
1090	+	HWND the_window = GetMainWindowHandle();
1091	+	sdl_window_proc = (WNDPROC)GetWindowLongPtr(the_window, GWLP_WNDPROC);
1092	+	SetWindowLongPtr(the_window, GWLP_WNDPROC, (LONG_PTR)windows_message_handler);
1093	+	#endif
1094	+
1095		// Initialize VideoRefresh function
1096		VideoRefreshInit();
1097
#	Line 858 | Line 1099 | bool SDL_monitor_desc::video_open(void)
1099		LOCK_FRAME_BUFFER;
1100
1101		// Start redraw/input thread
1102	+	#ifndef USE_CPU_EMUL_SERVICES
1103		redraw_thread_cancel = false;
1104		redraw_thread_active = ((redraw_thread = SDL_CreateThread(redraw_func, NULL)) != NULL);
1105		if (!redraw_thread_active) {
1106		printf("FATAL: cannot create redraw thread\n");
1107		return false;
1108		}
1109	+	#else
1110	+	redraw_thread_active = true;
1111	+	#endif
1112		return true;
1113		}
1114
#	Line 884 | Line 1129 | bool VideoInit(bool classic)
1129		#endif
1130
1131		// Create Mutexes
1132	+	if ((sdl_events_lock = SDL_CreateMutex()) == NULL)
1133	+	return false;
1134		if ((sdl_palette_lock = SDL_CreateMutex()) == NULL)
1135		return false;
1136		if ((frame_buffer_lock = SDL_CreateMutex()) == NULL)
#	Line 898 | Line 1145 | bool VideoInit(bool classic)
1145		mouse_wheel_lines = PrefsFindInt32("mousewheellines");
1146
1147		// Get screen mode from preferences
1148	+	migrate_screen_prefs();
1149		const char *mode_str = NULL;
902	–	#ifndef SHEEPSHAVER
1150		if (classic_mode)
1151		mode_str = "win/512/342";
1152		else
1153		mode_str = PrefsFindString("screen");
907	–	#endif
1154
1155		// Determine display type and default dimensions
1156		int default_width, default_height;
#	Line 920 | Line 1166 | bool VideoInit(bool classic)
1166		if (mode_str) {
1167		if (sscanf(mode_str, "win/%d/%d", &default_width, &default_height) == 2)
1168		display_type = DISPLAY_WINDOW;
1169	<	}
1170	<	int max_width = 640, max_height = 480;
925	<	SDL_Rect **modes = SDL_ListModes(NULL, SDL_FULLSCREEN | SDL_HWSURFACE);
926	<	if (modes && modes != (SDL_Rect **)-1) {
927	<	max_width = modes[0]->w;
928	<	max_height = modes[0]->h;
929	<	if (default_width > max_width)
930	<	default_width = max_width;
931	<	if (default_height > max_height)
932	<	default_height = max_height;
1169	>	else if (sscanf(mode_str, "dga/%d/%d", &default_width, &default_height) == 2)
1170	>	display_type = DISPLAY_SCREEN;
1171		}
1172		if (default_width <= 0)
1173	<	default_width = max_width;
1173	>	default_width = sdl_display_width();
1174	>	else if (default_width > sdl_display_width())
1175	>	default_width = sdl_display_width();
1176		if (default_height <= 0)
1177	<	default_height = max_height;
1177	>	default_height = sdl_display_height();
1178	>	else if (default_height > sdl_display_height())
1179	>	default_height = sdl_display_height();
1180
1181		// Mac screen depth follows X depth
1182		screen_depth = SDL_GetVideoInfo()->vfmt->BitsPerPixel;
#	Line 954 | Line 1196 | bool VideoInit(bool classic)
1196		break;
1197		}
1198
1199	+	// Initialize list of video modes to try
1200	+	struct {
1201	+	int w;
1202	+	int h;
1203	+	int resolution_id;
1204	+	}
1205	+	video_modes[] = {
1206	+	{   -1,   -1, 0x80 },
1207	+	{  512,  384, 0x80 },
1208	+	{  640,  480, 0x81 },
1209	+	{  800,  600, 0x82 },
1210	+	{ 1024,  768, 0x83 },
1211	+	{ 1152,  870, 0x84 },
1212	+	{ 1280, 1024, 0x85 },
1213	+	{ 1600, 1200, 0x86 },
1214	+	{ 0, }
1215	+	};
1216	+	video_modes[0].w = default_width;
1217	+	video_modes[0].h = default_height;
1218	+
1219		// Construct list of supported modes
1220		if (display_type == DISPLAY_WINDOW) {
1221		if (classic)
1222		add_mode(display_type, 512, 342, 0x80, 64, VIDEO_DEPTH_1BIT);
1223		else {
1224	<	for (int d = VIDEO_DEPTH_1BIT; d <= default_depth; d++) {
1225	<	int bpp = sdl_depth_of_video_depth(d);
1226	<	if (SDL_VideoModeOK(max_width, max_height, bpp, SDL_HWSURFACE))
1227	<	add_window_modes(video_depth(d));
1224	>	for (int i = 0; video_modes[i].w != 0; i++) {
1225	>	const int w = video_modes[i].w;
1226	>	const int h = video_modes[i].h;
1227	>	if (i > 0 && (w >= default_width || h >= default_height))
1228	>	continue;
1229	>	for (int d = VIDEO_DEPTH_1BIT; d <= default_depth; d++)
1230	>	add_mode(display_type, w, h, video_modes[i].resolution_id, TrivialBytesPerRow(w, (video_depth)d), d);
1231		}
1232		}
1233	<	} else
1234	<	add_mode(display_type, default_width, default_height, 0x80, TrivialBytesPerRow(default_width, (video_depth)default_depth), default_depth);
1233	>	} else if (display_type == DISPLAY_SCREEN) {
1234	>	for (int i = 0; video_modes[i].w != 0; i++) {
1235	>	const int w = video_modes[i].w;
1236	>	const int h = video_modes[i].h;
1237	>	if (i > 0 && (w >= default_width || h >= default_height))
1238	>	continue;
1239	>	if (w == 512 && h == 384)
1240	>	continue;
1241	>	#ifdef ENABLE_VOSF
1242	>	for (int d = VIDEO_DEPTH_1BIT; d <= default_depth; d++)
1243	>	add_mode(display_type, w, h, video_modes[i].resolution_id, TrivialBytesPerRow(w, (video_depth)d), d);
1244	>	#else
1245	>	add_mode(display_type, w, h, video_modes[i].resolution_id, TrivialBytesPerRow(w, (video_depth)default_depth), default_depth);
1246	>	#endif
1247	>	}
1248	>	}
1249	>
1250		if (VideoModes.empty()) {
1251		ErrorAlert(STR_NO_XVISUAL_ERR);
1252		return false;
#	Line 1037 | Line 1317 | void SDL_monitor_desc::video_close(void)
1317		{
1318		D(bug("video_close()\n"));
1319
1320	+	#ifdef WIN32
1321	+	// Remove message handler for WM_DEVICECHANGE
1322	+	HWND the_window = GetMainWindowHandle();
1323	+	SetWindowLongPtr(the_window, GWLP_WNDPROC, (LONG_PTR)sdl_window_proc);
1324	+	#endif
1325	+
1326		// Stop redraw thread
1327	+	#ifndef USE_CPU_EMUL_SERVICES
1328		if (redraw_thread_active) {
1329		redraw_thread_cancel = true;
1330		SDL_WaitThread(redraw_thread, NULL);
1331		}
1332	+	#endif
1333		redraw_thread_active = false;
1334
1335		// Unlock frame buffer
1336		UNLOCK_FRAME_BUFFER;
1337		D(bug(" frame buffer unlocked\n"));
1338
1051	–	#ifdef ENABLE_VOSF
1052	–	if (use_vosf) {
1053	–	// Deinitialize VOSF
1054	–	video_vosf_exit();
1055	–	}
1056	–	#endif
1057	–
1339		// Close display
1340		delete drv;
1341		drv = NULL;
#	Line 1072 | Line 1353 | void VideoExit(void)
1353		SDL_DestroyMutex(frame_buffer_lock);
1354		if (sdl_palette_lock)
1355		SDL_DestroyMutex(sdl_palette_lock);
1356	+	if (sdl_events_lock)
1357	+	SDL_DestroyMutex(sdl_events_lock);
1358		}
1359
1360
#	Line 1213 | Line 1496 | int16 video_mode_change(VidLocals *csSav
1496		csSave->saveData = ReadMacInt32(ParamPtr + csData);
1497		csSave->savePage = ReadMacInt16(ParamPtr + csPage);
1498
1499	<	// Disable interrupts
1499	>	// Disable interrupts and pause redraw thread
1500		DisableInterrupt();
1501	+	thread_stop_ack = false;
1502	+	thread_stop_req = true;
1503	+	while (!thread_stop_ack) ;
1504
1505		cur_mode = i;
1506		monitor_desc *monitor = VideoMonitors[0];
#	Line 1225 | Line 1511 | int16 video_mode_change(VidLocals *csSav
1511		csSave->saveData=VModes[cur_mode].viAppleID;/* First mode ... */
1512		csSave->saveMode=VModes[cur_mode].viAppleMode;
1513
1514	<	// Enable interrupts
1514	>	// Enable interrupts and resume redraw thread
1515	>	thread_stop_req = false;
1516		EnableInterrupt();
1517		return noErr;
1518		}
#	Line 1237 | Line 1524 | int16 video_mode_change(VidLocals *csSav
1524		void SDL_monitor_desc::switch_to_current_mode(void)
1525		{
1526		// Close and reopen display
1527	+	LOCK_EVENTS;
1528		video_close();
1529		video_open();
1530	+	UNLOCK_EVENTS;
1531
1532		if (drv == NULL) {
1533		ErrorAlert(STR_OPEN_WINDOW_ERR);
#	Line 1341 | Line 1630 | static int kc_decode(SDL_keysym const &
1630
1631		case SDLK_1: case SDLK_EXCLAIM: return 0x12;
1632		case SDLK_2: case SDLK_AT: return 0x13;
1633	<	//      case SDLK_3: case SDLK_numbersign: return 0x14;
1633	>	case SDLK_3: case SDLK_HASH: return 0x14;
1634		case SDLK_4: case SDLK_DOLLAR: return 0x15;
1635	<	//      case SDLK_5: case SDLK_percent: return 0x17;
1635	>	case SDLK_5: return 0x17;
1636		case SDLK_6: return 0x16;
1637		case SDLK_7: return 0x1a;
1638		case SDLK_8: return 0x1c;
1639		case SDLK_9: return 0x19;
1640		case SDLK_0: return 0x1d;
1641
1642	<	//      case SDLK_BACKQUOTE: case SDLK_asciitilde: return 0x0a;
1642	>	case SDLK_BACKQUOTE: return 0x0a;
1643		case SDLK_MINUS: case SDLK_UNDERSCORE: return 0x1b;
1644		case SDLK_EQUALS: case SDLK_PLUS: return 0x18;
1645	<	//      case SDLK_bracketleft: case SDLK_braceleft: return 0x21;
1646	<	//      case SDLK_bracketright: case SDLK_braceright: return 0x1e;
1647	<	//      case SDLK_BACKSLASH: case SDLK_bar: return 0x2a;
1645	>	case SDLK_LEFTBRACKET: return 0x21;
1646	>	case SDLK_RIGHTBRACKET: return 0x1e;
1647	>	case SDLK_BACKSLASH: return 0x2a;
1648		case SDLK_SEMICOLON: case SDLK_COLON: return 0x29;
1649	<	//      case SDLK_apostrophe: case SDLK_QUOTEDBL: return 0x27;
1649	>	case SDLK_QUOTE: case SDLK_QUOTEDBL: return 0x27;
1650		case SDLK_COMMA: case SDLK_LESS: return 0x2b;
1651		case SDLK_PERIOD: case SDLK_GREATER: return 0x2f;
1652		case SDLK_SLASH: case SDLK_QUESTION: return 0x2c;
#	Line 1389 | Line 1678 | static int kc_decode(SDL_keysym const &
1678		case SDLK_LMETA: return 0x3a;
1679		case SDLK_RMETA: return 0x3a;
1680		#endif
1681	+	case SDLK_LSUPER: return 0x3a; // "Windows" key
1682	+	case SDLK_RSUPER: return 0x3a;
1683		case SDLK_MENU: return 0x32;
1684		case SDLK_CAPSLOCK: return 0x39;
1685		case SDLK_NUMLOCK: return 0x47;
#	Line 1722 | Line 2013 | static void update_display_static(driver
2013		}
2014		}
2015
2016	+	// Static display update (fixed frame rate, bounding boxes based)
2017	+	// XXX use NQD bounding boxes to help detect dirty areas?
2018	+	static void update_display_static_bbox(driver_window *drv)
2019	+	{
2020	+	const VIDEO_MODE &mode = drv->mode;
2021	+
2022	+	// Allocate bounding boxes for SDL_UpdateRects()
2023	+	const int N_PIXELS = 64;
2024	+	const int n_x_boxes = (VIDEO_MODE_X + N_PIXELS - 1) / N_PIXELS;
2025	+	const int n_y_boxes = (VIDEO_MODE_Y + N_PIXELS - 1) / N_PIXELS;
2026	+	SDL_Rect *boxes = (SDL_Rect *)alloca(sizeof(SDL_Rect) * n_x_boxes * n_y_boxes);
2027	+	int nr_boxes = 0;
2028	+
2029	+	// Lock surface, if required
2030	+	if (SDL_MUSTLOCK(drv->s))
2031	+	SDL_LockSurface(drv->s);
2032	+
2033	+	// Update the surface from Mac screen
2034	+	const int bytes_per_row = VIDEO_MODE_ROW_BYTES;
2035	+	const int bytes_per_pixel = bytes_per_row / VIDEO_MODE_X;
2036	+	int x, y;
2037	+	for (y = 0; y < VIDEO_MODE_Y; y += N_PIXELS) {
2038	+	int h = N_PIXELS;
2039	+	if (h > VIDEO_MODE_Y - y)
2040	+	h = VIDEO_MODE_Y - y;
2041	+	for (x = 0; x < VIDEO_MODE_X; x += N_PIXELS) {
2042	+	int w = N_PIXELS;
2043	+	if (w > VIDEO_MODE_X - x)
2044	+	w = VIDEO_MODE_X - x;
2045	+	const int xs = w * bytes_per_pixel;
2046	+	const int xb = x * bytes_per_pixel;
2047	+	bool dirty = false;
2048	+	for (int j = y; j < (y + h); j++) {
2049	+	const int yb = j * bytes_per_row;
2050	+	if (memcmp(&the_buffer[yb + xb], &the_buffer_copy[yb + xb], xs) != 0) {
2051	+	memcpy(&the_buffer_copy[yb + xb], &the_buffer[yb + xb], xs);
2052	+	Screen_blit((uint8 *)drv->s->pixels + yb + xb, the_buffer + yb + xb, xs);
2053	+	dirty = true;
2054	+	}
2055	+	}
2056	+	if (dirty) {
2057	+	boxes[nr_boxes].x = x;
2058	+	boxes[nr_boxes].y = y;
2059	+	boxes[nr_boxes].w = w;
2060	+	boxes[nr_boxes].h = h;
2061	+	nr_boxes++;
2062	+	}
2063	+	}
2064	+	}
2065	+
2066	+	// Unlock surface, if required
2067	+	if (SDL_MUSTLOCK(drv->s))
2068	+	SDL_UnlockSurface(drv->s);
2069	+
2070	+	// Refresh display
2071	+	if (nr_boxes)
2072	+	SDL_UpdateRects(drv->s, nr_boxes, boxes);
2073	+	}
2074	+
2075
2076		// We suggest the compiler to inline the next two functions so that it
2077		// may specialise the code according to the current screen depth and
#	Line 1782 | Line 2132 | static void video_refresh_dga_vosf(void)
2132		tick_counter = 0;
2133		if (mainBuffer.dirty) {
2134		LOCK_VOSF;
2135	<	update_display_dga_vosf();
2135	>	update_display_dga_vosf(static_cast<driver_fullscreen *>(drv));
2136		UNLOCK_VOSF;
2137		}
2138		}
#	Line 1816 | Line 2166 | static void video_refresh_window_static(
2166		static int tick_counter = 0;
2167		if (++tick_counter >= frame_skip) {
2168		tick_counter = 0;
2169	<	update_display_static(static_cast<driver_window *>(drv));
2169	>	const VIDEO_MODE &mode = drv->mode;
2170	>	if ((int)VIDEO_MODE_DEPTH >= VIDEO_DEPTH_8BIT)
2171	>	update_display_static_bbox(static_cast<driver_window *>(drv));
2172	>	else
2173	>	update_display_static(static_cast<driver_window *>(drv));
2174		}
2175		}
2176
#	Line 1846 | Line 2200 | static void VideoRefreshInit(void)
2200		}
2201		}
2202
2203	+	static inline void do_video_refresh(void)
2204	+	{
2205	+	// Handle SDL events
2206	+	handle_events();
2207	+
2208	+	// Update display
2209	+	video_refresh();
2210	+
2211	+	#ifdef SHEEPSHAVER
2212	+	// Set new cursor image if it was changed
2213	+	if (cursor_changed && sdl_cursor) {
2214	+	cursor_changed = false;
2215	+	LOCK_EVENTS;
2216	+	SDL_FreeCursor(sdl_cursor);
2217	+	sdl_cursor = SDL_CreateCursor(MacCursor + 4, MacCursor + 36, 16, 16, MacCursor[2], MacCursor[3]);
2218	+	if (sdl_cursor) {
2219	+	SDL_SetCursor(sdl_cursor);
2220	+	#ifdef WIN32
2221	+	// XXX Windows apparently needs an extra mouse event to
2222	+	// make the new cursor image visible
2223	+	int visible = SDL_ShowCursor(-1);
2224	+	if (visible) {
2225	+	int x, y;
2226	+	SDL_GetMouseState(&x, &y);
2227	+	SDL_WarpMouse(x, y);
2228	+	}
2229	+	#endif
2230	+	}
2231	+	UNLOCK_EVENTS;
2232	+	}
2233	+	#endif
2234	+
2235	+	// Set new palette if it was changed
2236	+	handle_palette_changes();
2237	+	}
2238	+
2239	+	// This function is called on non-threaded platforms from a timer interrupt
2240	+	void VideoRefresh(void)
2241	+	{
2242	+	// We need to check redraw_thread_active to inhibit refreshed during
2243	+	// mode changes on non-threaded platforms
2244	+	if (!redraw_thread_active)
2245	+	return;
2246	+
2247	+	// Process pending events and update display
2248	+	do_video_refresh();
2249	+	}
2250	+
2251		const int VIDEO_REFRESH_HZ = 60;
2252		const int VIDEO_REFRESH_DELAY = 1000000 / VIDEO_REFRESH_HZ;
2253
2254	+	#ifndef USE_CPU_EMUL_SERVICES
2255		static int redraw_func(void *arg)
2256		{
2257		uint64 start = GetTicks_usec();
#	Line 1866 | Line 2269 | static int redraw_func(void *arg)
2269		next = GetTicks_usec();
2270		ticks++;
2271
1869	–	// Handle SDL events
1870	–	handle_events();
1871	–
1872	–	// Refresh display
1873	–	video_refresh();
1874	–
2272		#ifdef SHEEPSHAVER
2273	<	// Set new cursor image if it was changed
2274	<	if (cursor_changed && sdl_cursor) {
2275	<	cursor_changed = false;
2276	<	SDL_FreeCursor(sdl_cursor);
1880	<	sdl_cursor = SDL_CreateCursor(MacCursor + 4, MacCursor + 36, 16, 16, MacCursor[2], MacCursor[3]);
1881	<	if (sdl_cursor)
1882	<	SDL_SetCursor(sdl_cursor);
2273	>	// Pause if requested (during video mode switches)
2274	>	if (thread_stop_req) {
2275	>	thread_stop_ack = true;
2276	>	continue;
2277		}
2278		#endif
2279
2280	<	// Set new palette if it was changed
2281	<	handle_palette_changes();
2280	>	// Process pending events and update display
2281	>	do_video_refresh();
2282		}
2283
2284		uint64 end = GetTicks_usec();
2285		D(bug("%lld refreshes in %lld usec = %f refreshes/sec\n", ticks, end - start, ticks * 1000000.0 / (end - start)));
2286		return 0;
2287		}
2288	+	#endif
2289	+
2290	+
2291	+	/*
2292	+	*  Record dirty area from NQD
2293	+	*/
2294	+
2295	+	#ifdef SHEEPSHAVER
2296	+	void video_set_dirty_area(int x, int y, int w, int h)
2297	+	{
2298	+	const VIDEO_MODE &mode = drv->mode;
2299	+	const int screen_width = VIDEO_MODE_X;
2300	+	const int screen_height = VIDEO_MODE_Y;
2301	+	const int bytes_per_row = VIDEO_MODE_ROW_BYTES;
2302	+
2303	+	#ifdef ENABLE_VOSF
2304	+	if (use_vosf) {
2305	+	vosf_set_dirty_area(x, y, w, h, screen_width, screen_height, bytes_per_row);
2306	+	return;
2307	+	}
2308	+	#endif
2309	+
2310	+	// XXX handle dirty bounding boxes for non-VOSF modes
2311	+	}
2312	+	#endif

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