[ViewVC] Diff of: cebix/BasiliskII/src/SDL/video

Comparing BasiliskII/src/SDL/video_sdl.cpp (file contents):
Revision 1.11 by gbeauche, 2004-07-02T06:08:01Z vs.
Revision 1.43 by asvitkine, 2011-12-29T07:38:34Z

#	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	+	#if (defined(__APPLE__) && defined(__MACH__))
67	+	#include "utils_macosx.h"
68	+	#endif
69
70		#define DEBUG 0
71		#include "debug.h"
72
63	–
73		// Supported video modes
74		using std::vector;
75		static vector<VIDEO_MODE> VideoModes;
#	Line 81 \| Line 90 \| static int display_type = DISPLAY_WINDOW
90		#endif
91
92		// Constants
93	+	#ifdef WIN32
94	+	const char KEYCODE_FILE_NAME[] = "BasiliskII_keycodes";
95	+	#else
96		const char KEYCODE_FILE_NAME[] = DATADIR "/keycodes";
97	+	#endif
98
99
100		// Global variables
#	Line 94 \| Line 107 \| *static uint8 the_buffer_copy = NULL;**
107		static uint32 the_buffer_size; // Size of allocated the_buffer
108
109		static bool redraw_thread_active = false; // Flag: Redraw thread installed
110	+	#ifndef USE_CPU_EMUL_SERVICES
111		static volatile bool redraw_thread_cancel; // Flag: Cancel Redraw thread
112		static SDL_Thread *redraw_thread = NULL; // Redraw thread
113	+	#ifdef SHEEPSHAVER
114	+	static volatile bool thread_stop_req = false;
115	+	static volatile bool thread_stop_ack = false; // Acknowledge for thread_stop_req
116	+	#endif
117	+	#endif
118
119		#ifdef ENABLE_VOSF
120		static bool use_vosf = false; // Flag: VOSF enabled
#	Line 120 \| Line 139 \| *static SDL_Cursor sdl_cursor; // C**
139		static volatile bool cursor_changed = false; // Flag: cursor changed, redraw_func must update the cursor
140		static SDL_Color sdl_palette[256]; // Color palette to be used as CLUT and gamma table
141		static bool sdl_palette_changed = false; // Flag: Palette changed, redraw thread must set new colors
142	<	static const int sdl_eventmask = SDL_MOUSEBUTTONDOWNMASK \| SDL_MOUSEBUTTONUPMASK \| SDL_MOUSEMOTIONMASK \| SDL_KEYUPMASK \| SDL_KEYDOWNMASK \| SDL_VIDEOEXPOSEMASK \| SDL_QUITMASK;
142	>	static const int sdl_eventmask = SDL_MOUSEEVENTMASK \| SDL_KEYEVENTMASK \| SDL_VIDEOEXPOSEMASK \| SDL_QUITMASK \| SDL_ACTIVEEVENTMASK;
143	>
144	>	// Mutex to protect SDL events
145	>	static SDL_mutex *sdl_events_lock = NULL;
146	>	#define LOCK_EVENTS SDL_LockMutex(sdl_events_lock)
147	>	#define UNLOCK_EVENTS SDL_UnlockMutex(sdl_events_lock)
148
149		// Mutex to protect palette
150		static SDL_mutex *sdl_palette_lock = NULL;
#	Line 145 \| Line 169 \| extern void SysMountFirstFloppy(void);
169
170
171		/*
172	+	* SDL surface locking glue
173	+	*/
174	+
175	+	#ifdef ENABLE_VOSF
176	+	#define SDL_VIDEO_LOCK_VOSF_SURFACE(SURFACE) do { \
177	+	if ((SURFACE)->flags & (SDL_HWSURFACE \| SDL_FULLSCREEN)) \
178	+	the_host_buffer = (uint8 *)(SURFACE)->pixels; \
179	+	} while (0)
180	+	#else
181	+	#define SDL_VIDEO_LOCK_VOSF_SURFACE(SURFACE)
182	+	#endif
183	+
184	+	#define SDL_VIDEO_LOCK_SURFACE(SURFACE) do { \
185	+	if (SDL_MUSTLOCK(SURFACE)) { \
186	+	SDL_LockSurface(SURFACE); \
187	+	SDL_VIDEO_LOCK_VOSF_SURFACE(SURFACE); \
188	+	} \
189	+	} while (0)
190	+
191	+	#define SDL_VIDEO_UNLOCK_SURFACE(SURFACE) do { \
192	+	if (SDL_MUSTLOCK(SURFACE)) \
193	+	SDL_UnlockSurface(SURFACE); \
194	+	} while (0)
195	+
196	+
197	+	/*
198	+	* Framebuffer allocation routines
199	+	*/
200	+
201	+	static void *vm_acquire_framebuffer(uint32 size)
202	+	{
203	+	// always try to reallocate framebuffer at the same address
204	+	static void *fb = VM_MAP_FAILED;
205	+	if (fb != VM_MAP_FAILED) {
206	+	if (vm_acquire_fixed(fb, size) < 0) {
207	+	#ifndef SHEEPSHAVER
208	+	printf("FATAL: Could not reallocate framebuffer at previous address\n");
209	+	#endif
210	+	fb = VM_MAP_FAILED;
211	+	}
212	+	}
213	+	if (fb == VM_MAP_FAILED)
214	+	fb = vm_acquire(size, VM_MAP_DEFAULT \| VM_MAP_32BIT);
215	+	return fb;
216	+	}
217	+
218	+	static inline void vm_release_framebuffer(void *fb, uint32 size)
219	+	{
220	+	vm_release(fb, size);
221	+	}
222	+
223	+
224	+	/*
225	+	* Windows message handler
226	+	*/
227	+
228	+	#ifdef WIN32
229	+	#include <dbt.h>
230	+	static WNDPROC sdl_window_proc = NULL; // Window proc used by SDL
231	+
232	+	extern void SysMediaArrived(void);
233	+	extern void SysMediaRemoved(void);
234	+	extern HWND GetMainWindowHandle(void);
235	+
236	+	static LRESULT CALLBACK windows_message_handler(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
237	+	{
238	+	switch (msg) {
239	+	case WM_DEVICECHANGE:
240	+	if (wParam == DBT_DEVICEREMOVECOMPLETE) {
241	+	DEV_BROADCAST_HDR p = (DEV_BROADCAST_HDR )lParam;
242	+	if (p->dbch_devicetype == DBT_DEVTYP_VOLUME)
243	+	SysMediaRemoved();
244	+	}
245	+	else if (wParam == DBT_DEVICEARRIVAL) {
246	+	DEV_BROADCAST_HDR p = (DEV_BROADCAST_HDR )lParam;
247	+	if (p->dbch_devicetype == DBT_DEVTYP_VOLUME)
248	+	SysMediaArrived();
249	+	}
250	+	return 0;
251	+
252	+	default:
253	+	if (sdl_window_proc)
254	+	return CallWindowProc(sdl_window_proc, hwnd, msg, wParam, lParam);
255	+	}
256	+
257	+	return DefWindowProc(hwnd, msg, wParam, lParam);
258	+	}
259	+	#endif
260	+
261	+
262	+	/*
263		* SheepShaver glue
264		*/
265
#	Line 189 \| Line 304 \| *static vector<monitor_desc > VideoMonit**
304		// Find Apple mode matching best specified dimensions
305		static int find_apple_resolution(int xsize, int ysize)
306		{
307	<	int apple_id;
308	<	if (xsize < 800)
309	<	apple_id = APPLE_640x480;
310	<	else if (xsize < 1024)
311	<	apple_id = APPLE_800x600;
312	<	else if (xsize < 1152)
313	<	apple_id = APPLE_1024x768;
314	<	else if (xsize < 1280) {
315	<	if (ysize < 900)
316	<	apple_id = APPLE_1152x768;
317	<	else
318	<	apple_id = APPLE_1152x900;
319	<	}
320	<	else if (xsize < 1600)
321	<	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;
307	>	if (xsize == 640 && ysize == 480)
308	>	return APPLE_640x480;
309	>	if (xsize == 800 && ysize == 600)
310	>	return APPLE_800x600;
311	>	if (xsize == 1024 && ysize == 768)
312	>	return APPLE_1024x768;
313	>	if (xsize == 1152 && ysize == 768)
314	>	return APPLE_1152x768;
315	>	if (xsize == 1152 && ysize == 900)
316	>	return APPLE_1152x900;
317	>	if (xsize == 1280 && ysize == 1024)
318	>	return APPLE_1280x1024;
319	>	if (xsize == 1600 && ysize == 1200)
320	>	return APPLE_1600x1200;
321	>	return APPLE_CUSTOM;
322		}
323
324		// Display error alert
#	Line 324 \| Line 391 \| static inline int bytes_per_pixel(int de
391		}
392
393		// Map video_mode depth ID to numerical depth value
394	<	static int sdl_depth_of_video_depth(int video_depth)
394	>	static int mac_depth_of_video_depth(int video_depth)
395		{
396		int depth = -1;
397		switch (video_depth) {
#	Line 352 \| Line 419 \| static int sdl_depth_of_video_depth(int
419		return depth;
420		}
421
422	<	// Check wether specified mode is available
423	<	static bool has_mode(int type, int width, int height)
422	>	// Map video_mode depth ID to SDL screen depth
423	>	static int sdl_depth_of_video_depth(int video_depth)
424		{
425	<	// FIXME: no fullscreen support yet
426	<	if (type == DISPLAY_SCREEN)
427	<	return false;
425	>	return (video_depth <= VIDEO_DEPTH_8BIT) ? 8 : mac_depth_of_video_depth(video_depth);
426	>	}
427	>
428	>	// Get screen dimensions
429	>	static void sdl_display_dimensions(int &width, int &height)
430	>	{
431	>	static int max_width, max_height;
432	>	if (max_width == 0 && max_height == 0) {
433	>	max_width = 640 ; max_height = 480;
434	>	SDL_Rect **modes = SDL_ListModes(NULL, SDL_FULLSCREEN \| SDL_HWSURFACE);
435	>	if (modes && modes != (SDL_Rect **)-1) {
436	>	// It turns out that on some implementations, and contrary to the documentation,
437	>	// the returned list is not sorted from largest to smallest (e.g. Windows)
438	>	for (int i = 0; modes[i] != NULL; i++) {
439	>	const int w = modes[i]->w;
440	>	const int h = modes[i]->h;
441	>	if (w > max_width && h > max_height) {
442	>	max_width = w;
443	>	max_height = h;
444	>	}
445	>	}
446	>	}
447	>	}
448	>	width = max_width;
449	>	height = max_height;
450	>	}
451
452	+	static inline int sdl_display_width(void)
453	+	{
454	+	int width, height;
455	+	sdl_display_dimensions(width, height);
456	+	return width;
457	+	}
458	+
459	+	static inline int sdl_display_height(void)
460	+	{
461	+	int width, height;
462	+	sdl_display_dimensions(width, height);
463	+	return height;
464	+	}
465	+
466	+	// Check wether specified mode is available
467	+	static bool has_mode(int type, int width, int height, int depth)
468	+	{
469		#ifdef SHEEPSHAVER
470	<	// Filter out Classic resolutiosn
470	>	// Filter out Classic resolutions
471		if (width == 512 && height == 384)
472		return false;
366	–
367	–	// Read window modes prefs
368	–	static uint32 window_modes = 0;
369	–	static uint32 screen_modes = 0;
370	–	if (window_modes == 0 \|\| screen_modes == 0) {
371	–	window_modes = PrefsFindInt32("windowmodes");
372	–	screen_modes = PrefsFindInt32("screenmodes");
373	–	if (window_modes == 0 \|\| screen_modes == 0)
374	–	window_modes \|= 3; // Allow at least 640x480 and 800x600 window modes
375	–	}
376	–
377	–	if (type == DISPLAY_WINDOW) {
378	–	int apple_mask, apple_id = find_apple_resolution(width, height);
379	–	switch (apple_id) {
380	–	case APPLE_640x480: apple_mask = 0x01; break;
381	–	case APPLE_800x600: apple_mask = 0x02; break;
382	–	case APPLE_1024x768: apple_mask = 0x04; break;
383	–	case APPLE_1152x768: apple_mask = 0x40; break;
384	–	case APPLE_1152x900: apple_mask = 0x08; break;
385	–	case APPLE_1280x1024: apple_mask = 0x10; break;
386	–	case APPLE_1600x1200: apple_mask = 0x20; break;
387	–	default: apple_mask = 0x00; break;
388	–	}
389	–	return (window_modes & apple_mask);
390	–	}
391	–	#else
392	–	return true;
473		#endif
474	<	return false;
474	>
475	>	// Filter out out-of-bounds resolutions
476	>	if (width > sdl_display_width() \|\| height > sdl_display_height())
477	>	return false;
478	>
479	>	// Rely on SDL capabilities
480	>	return SDL_VideoModeOK(width, height,
481	>	sdl_depth_of_video_depth(depth),
482	>	SDL_HWSURFACE \| (type == DISPLAY_SCREEN ? SDL_FULLSCREEN : 0));
483		}
484
485		// Add mode to list of supported modes
486		static void add_mode(int type, int width, int height, int resolution_id, int bytes_per_row, int depth)
487		{
488		// Filter out unsupported modes
489	<	if (!has_mode(type, width, height))
489	>	if (!has_mode(type, width, height, depth))
490		return;
491
492		// Fill in VideoMode entry
493		VIDEO_MODE mode;
494		#ifdef SHEEPSHAVER
495	<	// Recalculate dimensions to fit Apple modes
408	<	resolution_id = match_apple_resolution(width, height);
495	>	resolution_id = find_apple_resolution(width, height);
496		mode.viType = type;
497		#endif
498		VIDEO_MODE_X = width;
#	Line 416 \| Line 503 \| static void add_mode(int type, int width
503		VideoModes.push_back(mode);
504		}
505
419	–	// Add standard list of windowed modes for given color depth
420	–	static void add_window_modes(int depth)
421	–	{
422	–	video_depth vdepth = (video_depth)depth;
423	–	add_mode(DISPLAY_WINDOW, 512, 384, 0x80, TrivialBytesPerRow(512, vdepth), depth);
424	–	add_mode(DISPLAY_WINDOW, 640, 480, 0x81, TrivialBytesPerRow(640, vdepth), depth);
425	–	add_mode(DISPLAY_WINDOW, 800, 600, 0x82, TrivialBytesPerRow(800, vdepth), depth);
426	–	add_mode(DISPLAY_WINDOW, 1024, 768, 0x83, TrivialBytesPerRow(1024, vdepth), depth);
427	–	add_mode(DISPLAY_WINDOW, 1152, 870, 0x84, TrivialBytesPerRow(1152, vdepth), depth);
428	–	add_mode(DISPLAY_WINDOW, 1280, 1024, 0x85, TrivialBytesPerRow(1280, vdepth), depth);
429	–	add_mode(DISPLAY_WINDOW, 1600, 1200, 0x86, TrivialBytesPerRow(1600, vdepth), depth);
430	–	}
431	–
506		// Set Mac frame layout and base address (uses the_buffer/MacFrameBaseMac)
507		static void set_mac_frame_buffer(SDL_monitor_desc &monitor, int depth, bool native_byte_order)
508		{
#	Line 468 \| Line 542 \| static void set_window_name(int name)
542		// Set mouse grab mode
543		static SDL_GrabMode set_grab_mode(SDL_GrabMode mode)
544		{
545	<	const SDL_VideoInfo *vi =SDL_GetVideoInfo();
545	>	const SDL_VideoInfo *vi = SDL_GetVideoInfo();
546		return (vi && vi->wm_available ? SDL_WM_GrabInput(mode) : SDL_GRAB_OFF);
547		}
548
549	+	// Migrate preferences items (XXX to be handled in MigratePrefs())
550	+	static void migrate_screen_prefs(void)
551	+	{
552	+	#ifdef SHEEPSHAVER
553	+	// Look-up priorities are: "screen", "screenmodes", "windowmodes".
554	+	if (PrefsFindString("screen"))
555	+	return;
556	+
557	+	uint32 window_modes = PrefsFindInt32("windowmodes");
558	+	uint32 screen_modes = PrefsFindInt32("screenmodes");
559	+	int width = 0, height = 0;
560	+	if (screen_modes) {
561	+	static const struct {
562	+	int id;
563	+	int width;
564	+	int height;
565	+	}
566	+	modes[] = {
567	+	{ 1, 640, 480 },
568	+	{ 2, 800, 600 },
569	+	{ 4, 1024, 768 },
570	+	{ 64, 1152, 768 },
571	+	{ 8, 1152, 900 },
572	+	{ 16, 1280, 1024 },
573	+	{ 32, 1600, 1200 },
574	+	{ 0, }
575	+	};
576	+	for (int i = 0; modes[i].id != 0; i++) {
577	+	if (screen_modes & modes[i].id) {
578	+	if (width < modes[i].width && height < modes[i].height) {
579	+	width = modes[i].width;
580	+	height = modes[i].height;
581	+	}
582	+	}
583	+	}
584	+	} else {
585	+	if (window_modes & 1)
586	+	width = 640, height = 480;
587	+	if (window_modes & 2)
588	+	width = 800, height = 600;
589	+	}
590	+	if (width && height) {
591	+	char str[32];
592	+	sprintf(str, "%s/%d/%d", screen_modes ? "dga" : "win", width, height);
593	+	PrefsReplaceString("screen", str);
594	+	}
595	+	#endif
596	+	}
597	+
598
599		/*
600		* Display "driver" classes
#	Line 505 \| Line 628 \| public:
628		class driver_window;
629		static void update_display_window_vosf(driver_window *drv);
630		static void update_display_dynamic(int ticker, driver_window *drv);
631	<	static void update_display_static(driver_window *drv);
631	>	static void update_display_static(driver_base *drv);
632
633		class driver_window : public driver_base {
634		friend void update_display_window_vosf(driver_window *drv);
635		friend void update_display_dynamic(int ticker, driver_window *drv);
636	<	friend void update_display_static(driver_window *drv);
636	>	friend void update_display_static(driver_base *drv);
637
638		public:
639		driver_window(SDL_monitor_desc &monitor);
#	Line 527 \| Line 650 \| private:
650		int mouse_last_x, mouse_last_y; // Last mouse position (for relative mode)
651		};
652
653	+	class driver_fullscreen : public driver_base {
654	+	public:
655	+	driver_fullscreen(SDL_monitor_desc &monitor);
656	+	~driver_fullscreen();
657	+	};
658	+
659		static driver_base *drv = NULL; // Pointer to currently used driver object
660
661		#ifdef ENABLE_VOSF
#	Line 548 \| Line 677 \| driver_base::~driver_base()
677		if (s)
678		SDL_FreeSurface(s);
679
680	+	// the_buffer shall always be mapped through vm_acquire_framebuffer()
681	+	if (the_buffer != VM_MAP_FAILED) {
682	+	D(bug(" releasing the_buffer at %p (%d bytes)\n", the_buffer, the_buffer_size));
683	+	vm_release_framebuffer(the_buffer, the_buffer_size);
684	+	the_buffer = NULL;
685	+	}
686	+
687		// Free frame buffer(s)
688		if (!use_vosf) {
553	–	if (the_buffer) {
554	–	free(the_buffer);
555	–	the_buffer = NULL;
556	–	}
689		if (the_buffer_copy) {
690		free(the_buffer_copy);
691		the_buffer_copy = NULL;
#	Line 561 \| Line 693 \| driver_base::~driver_base()
693		}
694		#ifdef ENABLE_VOSF
695		else {
564	–	// the_buffer shall always be mapped through vm_acquire() so that we can vm_protect() it at will
565	–	if (the_buffer != VM_MAP_FAILED) {
566	–	D(bug(" releasing the_buffer at %p (%d bytes)\n", the_buffer, the_buffer_size));
567	–	vm_release(the_buffer, the_buffer_size);
568	–	the_buffer = NULL;
569	–	}
696		if (the_host_buffer) {
697		D(bug(" freeing the_host_buffer at %p\n", the_host_buffer));
698		free(the_host_buffer);
#	Line 577 \| Line 703 \| driver_base::~driver_base()
703		free(the_buffer_copy);
704		the_buffer_copy = NULL;
705		}
706	+
707	+	// Deinitialize VOSF
708	+	video_vosf_exit();
709		}
710		#endif
711		}
#	Line 605 \| Line 734 \| void driver_base::restore_mouse_accel(vo
734		* Windowed display driver
735		*/
736
737	+	static bool SDL_display_opened = false;
738	+
739		// Open display
740		driver_window::driver_window(SDL_monitor_desc &m)
741		: driver_base(m), mouse_grabbed(false)
#	Line 616 \| Line 747 \| driver_window::driver_window(SDL_monitor
747		// Set absolute mouse mode
748		ADBSetRelMouseMode(mouse_grabbed);
749
750	+	// This is ugly:
751	+	// If we're switching resolutions (ie, not setting it for the first time),
752	+	// there's a bug in SDL where the SDL_Surface created will not be properly
753	+	// setup. The solution is to SDL_QuitSubSystem(SDL_INIT_VIDEO) before calling
754	+	// SDL_SetVideoMode for the second time (SDL_SetVideoMode will call SDL_Init()
755	+	// and all will be well). Without this, the video becomes corrupted (at least
756	+	// on Mac OS X), after the resolution switch.
757	+	if (SDL_display_opened)
758	+	SDL_QuitSubSystem(SDL_INIT_VIDEO);
759	+
760		// Create surface
761	<	int depth = ((int)VIDEO_MODE_DEPTH <= VIDEO_DEPTH_8BIT ? 8 : screen_depth);
761	>	int depth = sdl_depth_of_video_depth(VIDEO_MODE_DEPTH);
762		if ((s = SDL_SetVideoMode(width, height, depth, SDL_HWSURFACE)) == NULL)
763		return;
764
765	+	SDL_display_opened = true;
766	+
767		#ifdef ENABLE_VOSF
768		use_vosf = true;
769		// Allocate memory for frame buffer (SIZE is extended to page-boundary)
770		the_host_buffer = (uint8 *)s->pixels;
771		the_buffer_size = page_extend((aligned_height + 2) * s->pitch);
772	<	the_buffer = (uint8 *)vm_acquire(the_buffer_size);
772	>	the_buffer = (uint8 *)vm_acquire_framebuffer(the_buffer_size);
773		the_buffer_copy = (uint8 *)malloc(the_buffer_size);
774		D(bug("the_buffer = %p, the_buffer_copy = %p, the_host_buffer = %p\n", the_buffer, the_buffer_copy, the_host_buffer));
775
#	Line 650 \| Line 793 \| driver_window::driver_window(SDL_monitor
793		// Allocate memory for frame buffer
794		the_buffer_size = (aligned_height + 2) * s->pitch;
795		the_buffer_copy = (uint8 *)calloc(1, the_buffer_size);
796	<	the_buffer = (uint8 *)calloc(1, the_buffer_size);
796	>	the_buffer = (uint8 *)vm_acquire_framebuffer(the_buffer_size);
797		D(bug("the_buffer = %p, the_buffer_copy = %p\n", the_buffer, the_buffer_copy));
798		}
799
#	Line 675 \| Line 818 \| driver_window::driver_window(SDL_monitor
818		visualFormat.Rmask = f->Rmask;
819		visualFormat.Gmask = f->Gmask;
820		visualFormat.Bmask = f->Bmask;
821	<	Screen_blitter_init(visualFormat, true, sdl_depth_of_video_depth(VIDEO_MODE_DEPTH));
821	>	Screen_blitter_init(visualFormat, true, mac_depth_of_video_depth(VIDEO_MODE_DEPTH));
822
823		// Load gray ramp to 8->16/32 expand map
824		if (!IsDirectMode(mode))
#	Line 742 \| Line 885 \| void driver_window::mouse_moved(int x, i
885		ADBMouseMoved(x, y);
886		}
887
888	+
889	+	/*
890	+	* Full-screen display driver
891	+	*/
892	+
893	+	// Open display
894	+	driver_fullscreen::driver_fullscreen(SDL_monitor_desc &m)
895	+	: driver_base(m)
896	+	{
897	+	int width = VIDEO_MODE_X, height = VIDEO_MODE_Y;
898	+	int aligned_width = (width + 15) & ~15;
899	+	int aligned_height = (height + 15) & ~15;
900	+
901	+	// Set absolute mouse mode
902	+	ADBSetRelMouseMode(false);
903	+
904	+	// Create surface
905	+	int depth = sdl_depth_of_video_depth(VIDEO_MODE_DEPTH);
906	+	if ((s = SDL_SetVideoMode(width, height, depth, SDL_HWSURFACE \| SDL_FULLSCREEN)) == NULL)
907	+	return;
908	+
909	+	#ifdef ENABLE_VOSF
910	+	use_vosf = true;
911	+	// Allocate memory for frame buffer (SIZE is extended to page-boundary)
912	+	the_host_buffer = (uint8 *)s->pixels;
913	+	the_buffer_size = page_extend((aligned_height + 2) * s->pitch);
914	+	the_buffer = (uint8 *)vm_acquire_framebuffer(the_buffer_size);
915	+	the_buffer_copy = (uint8 *)malloc(the_buffer_size);
916	+	D(bug("the_buffer = %p, the_buffer_copy = %p, the_host_buffer = %p\n", the_buffer, the_buffer_copy, the_host_buffer));
917	+
918	+	// Check whether we can initialize the VOSF subsystem and it's profitable
919	+	if (!video_vosf_init(m)) {
920	+	WarningAlert(STR_VOSF_INIT_ERR);
921	+	use_vosf = false;
922	+	}
923	+	else if (!video_vosf_profitable()) {
924	+	video_vosf_exit();
925	+	printf("VOSF acceleration is not profitable on this platform, disabling it\n");
926	+	use_vosf = false;
927	+	}
928	+	if (!use_vosf) {
929	+	free(the_buffer_copy);
930	+	vm_release(the_buffer, the_buffer_size);
931	+	the_host_buffer = NULL;
932	+	}
933	+	#endif
934	+	if (!use_vosf) {
935	+	// Allocate memory for frame buffer
936	+	the_buffer_size = (aligned_height + 2) * s->pitch;
937	+	the_buffer_copy = (uint8 *)calloc(1, the_buffer_size);
938	+	the_buffer = (uint8 *)vm_acquire_framebuffer(the_buffer_size);
939	+	D(bug("the_buffer = %p, the_buffer_copy = %p\n", the_buffer, the_buffer_copy));
940	+	}
941	+
942	+	// Hide cursor
943	+	SDL_ShowCursor(0);
944	+
945	+	// Init blitting routines
946	+	SDL_PixelFormat *f = s->format;
947	+	VisualFormat visualFormat;
948	+	visualFormat.depth = depth;
949	+	visualFormat.Rmask = f->Rmask;
950	+	visualFormat.Gmask = f->Gmask;
951	+	visualFormat.Bmask = f->Bmask;
952	+	Screen_blitter_init(visualFormat, true, mac_depth_of_video_depth(VIDEO_MODE_DEPTH));
953	+
954	+	// Load gray ramp to 8->16/32 expand map
955	+	if (!IsDirectMode(mode))
956	+	for (int i=0; i<256; i++)
957	+	ExpandMap[i] = SDL_MapRGB(f, i, i, i);
958	+
959	+	// Set frame buffer base
960	+	set_mac_frame_buffer(monitor, VIDEO_MODE_DEPTH, true);
961	+
962	+	// Everything went well
963	+	init_ok = true;
964	+	}
965	+
966	+	// Close display
967	+	driver_fullscreen::~driver_fullscreen()
968	+	{
969	+	#ifdef ENABLE_VOSF
970	+	if (use_vosf)
971	+	the_host_buffer = NULL; // don't free() in driver_base dtor
972	+	#endif
973	+	if (s)
974	+	SDL_FreeSurface(s);
975	+
976	+	// Show cursor
977	+	SDL_ShowCursor(1);
978	+	}
979	+
980	+
981		/*
982		* Initialization
983		*/
#	Line 773 \| Line 1009 \| static void keycode_init(void)
1009		SDL_VideoDriverName(video_driver, sizeof(video_driver));
1010		bool video_driver_found = false;
1011		char line[256];
1012	+	int n_keys = 0;
1013		while (fgets(line, sizeof(line) - 1, f)) {
1014		// Read line
1015		int len = strlen(line);
#	Line 785 \| Line 1022 \| static void keycode_init(void)
1022		continue;
1023
1024		if (video_driver_found) {
1025	<	// Skip aliases
1025	>	// Skip aliases as long as we have read keycodes yet
1026	>	// Otherwise, it's another mapping and we have to stop
1027		static const char sdl_str[] = "sdl";
1028	<	if (strncmp(line, sdl_str, sizeof(sdl_str) - 1) == 0)
1028	>	if (strncmp(line, sdl_str, sizeof(sdl_str) - 1) == 0 && n_keys == 0)
1029		continue;
1030
1031		// Read keycode
1032		int x_code, mac_code;
1033		if (sscanf(line, "%d %d", &x_code, &mac_code) == 2)
1034	<	keycode_table[x_code & 0xff] = mac_code;
1034	>	keycode_table[x_code & 0xff] = mac_code, n_keys++;
1035		else
1036		break;
1037		} else {
#	Line 818 \| Line 1056 \| static void keycode_init(void)
1056		WarningAlert(str);
1057		return;
1058		}
1059	+
1060	+	D(bug("Using SDL/%s keycodes table, %d key mappings\n", video_driver, n_keys));
1061		}
1062		}
1063
#	Line 836 \| Line 1076 \| bool SDL_monitor_desc::video_open(void)
1076		case DISPLAY_WINDOW:
1077		drv = new(std::nothrow) driver_window(*this);
1078		break;
1079	+	case DISPLAY_SCREEN:
1080	+	drv = new(std::nothrow) driver_fullscreen(*this);
1081	+	break;
1082		}
1083		if (drv == NULL)
1084		return false;
#	Line 845 \| Line 1088 \| bool SDL_monitor_desc::video_open(void)
1088		return false;
1089		}
1090
1091	+	#ifdef WIN32
1092	+	// Chain in a new message handler for WM_DEVICECHANGE
1093	+	HWND the_window = GetMainWindowHandle();
1094	+	sdl_window_proc = (WNDPROC)GetWindowLongPtr(the_window, GWLP_WNDPROC);
1095	+	SetWindowLongPtr(the_window, GWLP_WNDPROC, (LONG_PTR)windows_message_handler);
1096	+	#endif
1097	+
1098		// Initialize VideoRefresh function
1099		VideoRefreshInit();
1100
#	Line 852 \| Line 1102 \| bool SDL_monitor_desc::video_open(void)
1102		LOCK_FRAME_BUFFER;
1103
1104		// Start redraw/input thread
1105	+	#ifndef USE_CPU_EMUL_SERVICES
1106		redraw_thread_cancel = false;
1107		redraw_thread_active = ((redraw_thread = SDL_CreateThread(redraw_func, NULL)) != NULL);
1108		if (!redraw_thread_active) {
1109		printf("FATAL: cannot create redraw thread\n");
1110		return false;
1111		}
1112	+	#else
1113	+	redraw_thread_active = true;
1114	+	#endif
1115		return true;
1116		}
1117
#	Line 878 \| Line 1132 \| bool VideoInit(bool classic)
1132		#endif
1133
1134		// Create Mutexes
1135	+	if ((sdl_events_lock = SDL_CreateMutex()) == NULL)
1136	+	return false;
1137		if ((sdl_palette_lock = SDL_CreateMutex()) == NULL)
1138		return false;
1139		if ((frame_buffer_lock = SDL_CreateMutex()) == NULL)
#	Line 892 \| Line 1148 \| bool VideoInit(bool classic)
1148		mouse_wheel_lines = PrefsFindInt32("mousewheellines");
1149
1150		// Get screen mode from preferences
1151	+	migrate_screen_prefs();
1152		const char *mode_str = NULL;
896	–	#ifndef SHEEPSHAVER
1153		if (classic_mode)
1154		mode_str = "win/512/342";
1155		else
1156		mode_str = PrefsFindString("screen");
901	–	#endif
1157
1158		// Determine display type and default dimensions
1159		int default_width, default_height;
#	Line 914 \| Line 1169 \| bool VideoInit(bool classic)
1169		if (mode_str) {
1170		if (sscanf(mode_str, "win/%d/%d", &default_width, &default_height) == 2)
1171		display_type = DISPLAY_WINDOW;
1172	<	}
1173	<	int max_width = 640, max_height = 480;
919	<	SDL_Rect **modes = SDL_ListModes(NULL, SDL_FULLSCREEN \| SDL_HWSURFACE);
920	<	if (modes && modes != (SDL_Rect **)-1) {
921	<	max_width = modes[0]->w;
922	<	max_height = modes[0]->h;
923	<	if (default_width > max_width)
924	<	default_width = max_width;
925	<	if (default_height > max_height)
926	<	default_height = max_height;
1172	>	else if (sscanf(mode_str, "dga/%d/%d", &default_width, &default_height) == 2)
1173	>	display_type = DISPLAY_SCREEN;
1174		}
1175		if (default_width <= 0)
1176	<	default_width = max_width;
1176	>	default_width = sdl_display_width();
1177	>	else if (default_width > sdl_display_width())
1178	>	default_width = sdl_display_width();
1179		if (default_height <= 0)
1180	<	default_height = max_height;
1180	>	default_height = sdl_display_height();
1181	>	else if (default_height > sdl_display_height())
1182	>	default_height = sdl_display_height();
1183
1184		// Mac screen depth follows X depth
1185		screen_depth = SDL_GetVideoInfo()->vfmt->BitsPerPixel;
#	Line 948 \| Line 1199 \| bool VideoInit(bool classic)
1199		break;
1200		}
1201
1202	+	// Initialize list of video modes to try
1203	+	struct {
1204	+	int w;
1205	+	int h;
1206	+	int resolution_id;
1207	+	}
1208	+	video_modes[] = {
1209	+	{ -1, -1, 0x80 },
1210	+	{ 512, 384, 0x80 },
1211	+	{ 640, 480, 0x81 },
1212	+	{ 800, 600, 0x82 },
1213	+	{ 1024, 768, 0x83 },
1214	+	{ 1152, 870, 0x84 },
1215	+	{ 1280, 1024, 0x85 },
1216	+	{ 1600, 1200, 0x86 },
1217	+	{ 0, }
1218	+	};
1219	+	video_modes[0].w = default_width;
1220	+	video_modes[0].h = default_height;
1221	+
1222		// Construct list of supported modes
1223		if (display_type == DISPLAY_WINDOW) {
1224		if (classic)
1225		add_mode(display_type, 512, 342, 0x80, 64, VIDEO_DEPTH_1BIT);
1226		else {
1227	<	for (int d = VIDEO_DEPTH_1BIT; d <= default_depth; d++) {
1228	<	int bpp = (d <= VIDEO_DEPTH_8BIT ? 8 : sdl_depth_of_video_depth(d));
1229	<	if (SDL_VideoModeOK(max_width, max_height, bpp, SDL_HWSURFACE))
1230	<	add_window_modes(video_depth(d));
1227	>	for (int i = 0; video_modes[i].w != 0; i++) {
1228	>	const int w = video_modes[i].w;
1229	>	const int h = video_modes[i].h;
1230	>	if (i > 0 && (w >= default_width \|\| h >= default_height))
1231	>	continue;
1232	>	for (int d = VIDEO_DEPTH_1BIT; d <= default_depth; d++)
1233	>	add_mode(display_type, w, h, video_modes[i].resolution_id, TrivialBytesPerRow(w, (video_depth)d), d);
1234		}
1235		}
1236	<	} else
1237	<	add_mode(display_type, default_width, default_height, 0x80, TrivialBytesPerRow(default_width, (video_depth)default_depth), default_depth);
1236	>	} else if (display_type == DISPLAY_SCREEN) {
1237	>	for (int i = 0; video_modes[i].w != 0; i++) {
1238	>	const int w = video_modes[i].w;
1239	>	const int h = video_modes[i].h;
1240	>	if (i > 0 && (w >= default_width \|\| h >= default_height))
1241	>	continue;
1242	>	if (w == 512 && h == 384)
1243	>	continue;
1244	>	for (int d = VIDEO_DEPTH_1BIT; d <= default_depth; d++)
1245	>	add_mode(display_type, w, h, video_modes[i].resolution_id, TrivialBytesPerRow(w, (video_depth)d), d);
1246	>	}
1247	>	}
1248	>
1249		if (VideoModes.empty()) {
1250		ErrorAlert(STR_NO_XVISUAL_ERR);
1251		return false;
#	Line 1031 \| Line 1316 \| void SDL_monitor_desc::video_close(void)
1316		{
1317		D(bug("video_close()\n"));
1318
1319	+	#ifdef WIN32
1320	+	// Remove message handler for WM_DEVICECHANGE
1321	+	HWND the_window = GetMainWindowHandle();
1322	+	SetWindowLongPtr(the_window, GWLP_WNDPROC, (LONG_PTR)sdl_window_proc);
1323	+	#endif
1324	+
1325		// Stop redraw thread
1326	+	#ifndef USE_CPU_EMUL_SERVICES
1327		if (redraw_thread_active) {
1328		redraw_thread_cancel = true;
1329		SDL_WaitThread(redraw_thread, NULL);
1330		}
1331	+	#endif
1332		redraw_thread_active = false;
1333
1334		// Unlock frame buffer
1335		UNLOCK_FRAME_BUFFER;
1336		D(bug(" frame buffer unlocked\n"));
1337
1045	–	#ifdef ENABLE_VOSF
1046	–	if (use_vosf) {
1047	–	// Deinitialize VOSF
1048	–	video_vosf_exit();
1049	–	}
1050	–	#endif
1051	–
1338		// Close display
1339		delete drv;
1340		drv = NULL;
#	Line 1066 \| Line 1352 \| void VideoExit(void)
1352		SDL_DestroyMutex(frame_buffer_lock);
1353		if (sdl_palette_lock)
1354		SDL_DestroyMutex(sdl_palette_lock);
1355	+	if (sdl_events_lock)
1356	+	SDL_DestroyMutex(sdl_events_lock);
1357		}
1358
1359
#	Line 1207 \| Line 1495 \| *int16 video_mode_change(VidLocals csSav**
1495		csSave->saveData = ReadMacInt32(ParamPtr + csData);
1496		csSave->savePage = ReadMacInt16(ParamPtr + csPage);
1497
1498	<	// Disable interrupts
1498	>	// Disable interrupts and pause redraw thread
1499		DisableInterrupt();
1500	+	thread_stop_ack = false;
1501	+	thread_stop_req = true;
1502	+	while (!thread_stop_ack) ;
1503
1504		cur_mode = i;
1505		monitor_desc *monitor = VideoMonitors[0];
#	Line 1219 \| Line 1510 \| *int16 video_mode_change(VidLocals csSav**
1510		csSave->saveData=VModes[cur_mode].viAppleID;/* First mode ... */
1511		csSave->saveMode=VModes[cur_mode].viAppleMode;
1512
1513	<	// Enable interrupts
1513	>	// Enable interrupts and resume redraw thread
1514	>	thread_stop_req = false;
1515		EnableInterrupt();
1516		return noErr;
1517		}
#	Line 1231 \| Line 1523 \| *int16 video_mode_change(VidLocals csSav**
1523		void SDL_monitor_desc::switch_to_current_mode(void)
1524		{
1525		// Close and reopen display
1526	+	LOCK_EVENTS;
1527		video_close();
1528		video_open();
1529	+	UNLOCK_EVENTS;
1530
1531		if (drv == NULL) {
1532		ErrorAlert(STR_OPEN_WINDOW_ERR);
#	Line 1248 \| Line 1542 \| void SDL_monitor_desc::switch_to_current
1542		#ifdef SHEEPSHAVER
1543		bool video_can_change_cursor(void)
1544		{
1545	<	return (display_type == DISPLAY_WINDOW);
1545	>	static char driver[] = "Quartz?";
1546	>	static int quartzok = -1;
1547	>
1548	>	if (display_type != DISPLAY_WINDOW)
1549	>	return false;
1550	>
1551	>	if (quartzok < 0) {
1552	>	if (SDL_VideoDriverName(driver, sizeof driver) == NULL \|\| strncmp(driver, "Quartz", sizeof driver))
1553	>	quartzok = true;
1554	>	else {
1555	>	// Quartz driver bug prevents cursor changing in SDL 1.2.11 and later
1556	>	const SDL_version *vp = SDL_Linked_Version();
1557	>	quartzok = SDL_VERSIONNUM(vp->major, vp->minor, vp->patch) <= SDL_VERSIONNUM(1, 2, 10);
1558	>	}
1559	>	}
1560	>
1561	>	return quartzok;
1562		}
1563		#endif
1564
#	Line 1335 \| Line 1645 \| static int kc_decode(SDL_keysym const &
1645
1646		case SDLK_1: case SDLK_EXCLAIM: return 0x12;
1647		case SDLK_2: case SDLK_AT: return 0x13;
1648	<	// case SDLK_3: case SDLK_numbersign: return 0x14;
1648	>	case SDLK_3: case SDLK_HASH: return 0x14;
1649		case SDLK_4: case SDLK_DOLLAR: return 0x15;
1650	<	// case SDLK_5: case SDLK_percent: return 0x17;
1650	>	case SDLK_5: return 0x17;
1651		case SDLK_6: return 0x16;
1652		case SDLK_7: return 0x1a;
1653		case SDLK_8: return 0x1c;
1654		case SDLK_9: return 0x19;
1655		case SDLK_0: return 0x1d;
1656
1657	<	// case SDLK_BACKQUOTE: case SDLK_asciitilde: return 0x0a;
1657	>	case SDLK_BACKQUOTE: return 0x0a;
1658		case SDLK_MINUS: case SDLK_UNDERSCORE: return 0x1b;
1659		case SDLK_EQUALS: case SDLK_PLUS: return 0x18;
1660	<	// case SDLK_bracketleft: case SDLK_braceleft: return 0x21;
1661	<	// case SDLK_bracketright: case SDLK_braceright: return 0x1e;
1662	<	// case SDLK_BACKSLASH: case SDLK_bar: return 0x2a;
1660	>	case SDLK_LEFTBRACKET: return 0x21;
1661	>	case SDLK_RIGHTBRACKET: return 0x1e;
1662	>	case SDLK_BACKSLASH: return 0x2a;
1663		case SDLK_SEMICOLON: case SDLK_COLON: return 0x29;
1664	<	// case SDLK_apostrophe: case SDLK_QUOTEDBL: return 0x27;
1664	>	case SDLK_QUOTE: case SDLK_QUOTEDBL: return 0x27;
1665		case SDLK_COMMA: case SDLK_LESS: return 0x2b;
1666		case SDLK_PERIOD: case SDLK_GREATER: return 0x2f;
1667		case SDLK_SLASH: case SDLK_QUESTION: return 0x2c;
#	Line 1383 \| Line 1693 \| static int kc_decode(SDL_keysym const &
1693		case SDLK_LMETA: return 0x3a;
1694		case SDLK_RMETA: return 0x3a;
1695		#endif
1696	+	case SDLK_LSUPER: return 0x3a; // "Windows" key
1697	+	case SDLK_RSUPER: return 0x3a;
1698		case SDLK_MENU: return 0x32;
1699		case SDLK_CAPSLOCK: return 0x39;
1700		case SDLK_NUMLOCK: return 0x47;
#	Line 1457 \| Line 1769 \| static void handle_events(void)
1769		// Mouse button
1770		case SDL_MOUSEBUTTONDOWN: {
1771		unsigned int button = event.button.button;
1772	<	if (button < 4)
1773	<	ADBMouseDown(button - 1);
1772	>	if (button == SDL_BUTTON_LEFT)
1773	>	ADBMouseDown(0);
1774	>	else if (button == SDL_BUTTON_RIGHT)
1775	>	ADBMouseDown(1);
1776	>	else if (button == SDL_BUTTON_MIDDLE)
1777	>	ADBMouseDown(2);
1778		else if (button < 6) { // Wheel mouse
1779		if (mouse_wheel_mode == 0) {
1780		int key = (button == 5) ? 0x79 : 0x74; // Page up/down
#	Line 1476 \| Line 1792 \| static void handle_events(void)
1792		}
1793		case SDL_MOUSEBUTTONUP: {
1794		unsigned int button = event.button.button;
1795	<	if (button < 4)
1796	<	ADBMouseUp(button - 1);
1795	>	if (button == SDL_BUTTON_LEFT)
1796	>	ADBMouseUp(0);
1797	>	else if (button == SDL_BUTTON_RIGHT)
1798	>	ADBMouseUp(1);
1799	>	else if (button == SDL_BUTTON_MIDDLE)
1800	>	ADBMouseUp(2);
1801		break;
1802		}
1803
#	Line 1561 \| Line 1881 \| static void handle_events(void)
1881		ADBKeyDown(0x7f); // Power key
1882		ADBKeyUp(0x7f);
1883		break;
1884	+
1885	+	// Application activate/deactivate; consume the event but otherwise ignore it
1886	+	case SDL_ACTIVEEVENT:
1887	+	break;
1888		}
1889		}
1890		}
#	Line 1572 \| Line 1896 \| static void handle_events(void)
1896		*/
1897
1898		// Static display update (fixed frame rate, but incremental)
1899	<	static void update_display_static(driver_window *drv)
1899	>	static void update_display_static(driver_base *drv)
1900		{
1901		// Incremental update code
1902		int wide = 0, high = 0, x1, x2, y1, y2, i, j;
#	Line 1661 \| Line 1985 \| static void update_display_static(driver
1985
1986		} else {
1987		const int bytes_per_pixel = VIDEO_MODE_ROW_BYTES / VIDEO_MODE_X;
1988	+	const int dst_bytes_per_row = drv->s->pitch;
1989
1990		x1 = VIDEO_MODE_X;
1991		for (j=y1; j<=y2; j++) {
#	Line 1701 \| Line 2026 \| static void update_display_static(driver
2026		// Blit to screen surface
2027		for (j=y1; j<=y2; j++) {
2028		i = j * bytes_per_row + x1 * bytes_per_pixel;
2029	+	int dst_i = j * dst_bytes_per_row + x1 * bytes_per_pixel;
2030		memcpy(the_buffer_copy + i, the_buffer + i, bytes_per_pixel * wide);
2031	<	Screen_blit((uint8 )drv->s->pixels + i, the_buffer + i, bytes_per_pixel wide);
2031	>	Screen_blit((uint8 )drv->s->pixels + dst_i, the_buffer + i, bytes_per_pixel wide);
2032		}
2033
2034		// Unlock surface, if required
#	Line 1716 \| Line 2042 \| static void update_display_static(driver
2042		}
2043		}
2044
2045	+	// Static display update (fixed frame rate, bounding boxes based)
2046	+	// XXX use NQD bounding boxes to help detect dirty areas?
2047	+	static void update_display_static_bbox(driver_base *drv)
2048	+	{
2049	+	const VIDEO_MODE &mode = drv->mode;
2050	+
2051	+	// Allocate bounding boxes for SDL_UpdateRects()
2052	+	const int N_PIXELS = 64;
2053	+	const int n_x_boxes = (VIDEO_MODE_X + N_PIXELS - 1) / N_PIXELS;
2054	+	const int n_y_boxes = (VIDEO_MODE_Y + N_PIXELS - 1) / N_PIXELS;
2055	+	SDL_Rect boxes = (SDL_Rect )alloca(sizeof(SDL_Rect) * n_x_boxes * n_y_boxes);
2056	+	int nr_boxes = 0;
2057	+
2058	+	// Lock surface, if required
2059	+	if (SDL_MUSTLOCK(drv->s))
2060	+	SDL_LockSurface(drv->s);
2061	+
2062	+	// Update the surface from Mac screen
2063	+	const int bytes_per_row = VIDEO_MODE_ROW_BYTES;
2064	+	const int bytes_per_pixel = bytes_per_row / VIDEO_MODE_X;
2065	+	const int dst_bytes_per_row = drv->s->pitch;
2066	+	int x, y;
2067	+	for (y = 0; y < VIDEO_MODE_Y; y += N_PIXELS) {
2068	+	int h = N_PIXELS;
2069	+	if (h > VIDEO_MODE_Y - y)
2070	+	h = VIDEO_MODE_Y - y;
2071	+	for (x = 0; x < VIDEO_MODE_X; x += N_PIXELS) {
2072	+	int w = N_PIXELS;
2073	+	if (w > VIDEO_MODE_X - x)
2074	+	w = VIDEO_MODE_X - x;
2075	+	const int xs = w * bytes_per_pixel;
2076	+	const int xb = x * bytes_per_pixel;
2077	+	bool dirty = false;
2078	+	for (int j = y; j < (y + h); j++) {
2079	+	const int yb = j * bytes_per_row;
2080	+	const int dst_yb = j * dst_bytes_per_row;
2081	+	if (memcmp(&the_buffer[yb + xb], &the_buffer_copy[yb + xb], xs) != 0) {
2082	+	memcpy(&the_buffer_copy[yb + xb], &the_buffer[yb + xb], xs);
2083	+	Screen_blit((uint8 *)drv->s->pixels + dst_yb + xb, the_buffer + yb + xb, xs);
2084	+	dirty = true;
2085	+	}
2086	+	}
2087	+	if (dirty) {
2088	+	boxes[nr_boxes].x = x;
2089	+	boxes[nr_boxes].y = y;
2090	+	boxes[nr_boxes].w = w;
2091	+	boxes[nr_boxes].h = h;
2092	+	nr_boxes++;
2093	+	}
2094	+	}
2095	+	}
2096	+
2097	+	// Unlock surface, if required
2098	+	if (SDL_MUSTLOCK(drv->s))
2099	+	SDL_UnlockSurface(drv->s);
2100	+
2101	+	// Refresh display
2102	+	if (nr_boxes)
2103	+	SDL_UpdateRects(drv->s, nr_boxes, boxes);
2104	+	}
2105	+
2106
2107		// We suggest the compiler to inline the next two functions so that it
2108		// may specialise the code according to the current screen depth and
#	Line 1757 \| Line 2144 \| static inline void handle_palette_change
2144		UNLOCK_PALETTE;
2145		}
2146
2147	+	static void video_refresh_window_static(void);
2148	+
2149		static void video_refresh_dga(void)
2150		{
2151		// Quit DGA mode if requested
2152		possibly_quit_dga_mode();
2153	+	video_refresh_window_static();
2154		}
2155
2156		#ifdef ENABLE_VOSF
#	Line 1776 \| Line 2166 \| static void video_refresh_dga_vosf(void)
2166		tick_counter = 0;
2167		if (mainBuffer.dirty) {
2168		LOCK_VOSF;
2169	<	update_display_dga_vosf();
2169	>	update_display_dga_vosf(static_cast<driver_fullscreen *>(drv));
2170		UNLOCK_VOSF;
2171		}
2172		}
#	Line 1810 \| Line 2200 \| static void video_refresh_window_static(
2200		static int tick_counter = 0;
2201		if (++tick_counter >= frame_skip) {
2202		tick_counter = 0;
2203	<	update_display_static(static_cast<driver_window *>(drv));
2203	>	const VIDEO_MODE &mode = drv->mode;
2204	>	if ((int)VIDEO_MODE_DEPTH >= VIDEO_DEPTH_8BIT)
2205	>	update_display_static_bbox(drv);
2206	>	else
2207	>	update_display_static(drv);
2208		}
2209		}
2210
#	Line 1840 \| Line 2234 \| static void VideoRefreshInit(void)
2234		}
2235		}
2236
2237	+	static inline void do_video_refresh(void)
2238	+	{
2239	+	// Handle SDL events
2240	+	handle_events();
2241	+
2242	+	// Update display
2243	+	#if (defined(__APPLE__) && defined(__MACH__))
2244	+	// SDL expects an auto-release pool to be present.
2245	+	NSAutoReleasePool_wrap(video_refresh);
2246	+	#else
2247	+	video_refresh();
2248	+	#endif
2249	+
2250	+	#ifdef SHEEPSHAVER
2251	+	// Set new cursor image if it was changed
2252	+	if (cursor_changed && sdl_cursor) {
2253	+	cursor_changed = false;
2254	+	LOCK_EVENTS;
2255	+	SDL_FreeCursor(sdl_cursor);
2256	+	sdl_cursor = SDL_CreateCursor(MacCursor + 4, MacCursor + 36, 16, 16, MacCursor[2], MacCursor[3]);
2257	+	if (sdl_cursor) {
2258	+	SDL_ShowCursor(private_data == NULL \|\| private_data->cursorVisible);
2259	+	SDL_SetCursor(sdl_cursor);
2260	+	#ifdef WIN32
2261	+	// XXX Windows apparently needs an extra mouse event to
2262	+	// make the new cursor image visible
2263	+	int visible = SDL_ShowCursor(-1);
2264	+	if (visible) {
2265	+	int x, y;
2266	+	SDL_GetMouseState(&x, &y);
2267	+	SDL_WarpMouse(x, y);
2268	+	}
2269	+	#endif
2270	+	}
2271	+	UNLOCK_EVENTS;
2272	+	}
2273	+	#endif
2274	+
2275	+	// Set new palette if it was changed
2276	+	handle_palette_changes();
2277	+	}
2278	+
2279	+	// This function is called on non-threaded platforms from a timer interrupt
2280	+	void VideoRefresh(void)
2281	+	{
2282	+	// We need to check redraw_thread_active to inhibit refreshed during
2283	+	// mode changes on non-threaded platforms
2284	+	if (!redraw_thread_active)
2285	+	return;
2286	+
2287	+	// Process pending events and update display
2288	+	do_video_refresh();
2289	+	}
2290	+
2291		const int VIDEO_REFRESH_HZ = 60;
2292		const int VIDEO_REFRESH_DELAY = 1000000 / VIDEO_REFRESH_HZ;
2293
2294	+	#ifndef USE_CPU_EMUL_SERVICES
2295		static int redraw_func(void *arg)
2296		{
2297		uint64 start = GetTicks_usec();
#	Line 1860 \| Line 2309 \| *static int redraw_func(void arg)**
2309		next = GetTicks_usec();
2310		ticks++;
2311
1863	–	// Handle SDL events
1864	–	handle_events();
1865	–
1866	–	// Refresh display
1867	–	video_refresh();
1868	–
2312		#ifdef SHEEPSHAVER
2313	<	// Set new cursor image if it was changed
2314	<	if (cursor_changed && sdl_cursor) {
2315	<	cursor_changed = false;
2316	<	SDL_FreeCursor(sdl_cursor);
1874	<	sdl_cursor = SDL_CreateCursor(MacCursor + 4, MacCursor + 36, 16, 16, MacCursor[2], MacCursor[3]);
1875	<	if (sdl_cursor)
1876	<	SDL_SetCursor(sdl_cursor);
2313	>	// Pause if requested (during video mode switches)
2314	>	if (thread_stop_req) {
2315	>	thread_stop_ack = true;
2316	>	continue;
2317		}
2318		#endif
2319
2320	<	// Set new palette if it was changed
2321	<	handle_palette_changes();
2320	>	// Process pending events and update display
2321	>	do_video_refresh();
2322		}
2323
2324		uint64 end = GetTicks_usec();
2325		D(bug("%lld refreshes in %lld usec = %f refreshes/sec\n", ticks, end - start, ticks * 1000000.0 / (end - start)));
2326		return 0;
2327		}
2328	+	#endif
2329	+
2330	+
2331	+	/*
2332	+	* Record dirty area from NQD
2333	+	*/
2334	+
2335	+	#ifdef SHEEPSHAVER
2336	+	void video_set_dirty_area(int x, int y, int w, int h)
2337	+	{
2338	+	#ifdef ENABLE_VOSF
2339	+	const VIDEO_MODE &mode = drv->mode;
2340	+	const int screen_width = VIDEO_MODE_X;
2341	+	const int screen_height = VIDEO_MODE_Y;
2342	+	const int bytes_per_row = VIDEO_MODE_ROW_BYTES;
2343	+
2344	+	if (use_vosf) {
2345	+	vosf_set_dirty_area(x, y, w, h, screen_width, screen_height, bytes_per_row);
2346	+	return;
2347	+	}
2348	+	#endif
2349	+
2350	+	// XXX handle dirty bounding boxes for non-VOSF modes
2351	+	}
2352	+	#endif

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Comparing BasiliskII/src/SDL/video_sdl.cpp (file contents): Revision 1.11 by gbeauche, 2004-07-02T06:08:01Z vs. Revision 1.43 by asvitkine, 2011-12-29T07:38:34Z

Diff Legend

Comparing BasiliskII/src/SDL/video_sdl.cpp (file contents):
Revision 1.11 by gbeauche, 2004-07-02T06:08:01Z vs.
Revision 1.43 by asvitkine, 2011-12-29T07:38:34Z