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

Comparing BasiliskII/src/SDL/video_sdl.cpp (file contents):
Revision 1.8 by gbeauche, 2004-06-26T17:20:35Z vs.
Revision 1.13 by gbeauche, 2004-11-28T19:31:11Z

#	Line 37 | Line 37
37		*    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	–	*  - Move generic Native QuickDraw acceleration routines to gfxaccel.cpp
40		*/
41
42		#include "sysdeps.h"
#	Line 57 | Line 56
56		#include "video.h"
57		#include "video_defs.h"
58		#include "video_blit.h"
59	+	#include "vm_alloc.h"
60
61		#define DEBUG 0
62		#include "debug.h"
#	Line 97 | Line 97 | static uint32 the_buffer_size;                                         // S
97		static bool redraw_thread_active = false;                       // Flag: Redraw thread installed
98		static volatile bool redraw_thread_cancel;                      // Flag: Cancel Redraw thread
99		static SDL_Thread *redraw_thread = NULL;                        // Redraw thread
100	+	static volatile bool thread_stop_req = false;
101	+	static volatile bool thread_stop_ack = false;           // Acknowledge for thread_stop_req
102
103		#ifdef ENABLE_VOSF
104		static bool use_vosf = false;                                           // Flag: VOSF enabled
#	Line 146 | Line 148 | extern void SysMountFirstFloppy(void);
148
149
150		/*
151	+	*  Framebuffer allocation routines
152	+	*/
153	+
154	+	static void *vm_acquire_framebuffer(uint32 size)
155	+	{
156	+	#ifdef SHEEPSHAVER
157	+	#ifdef DIRECT_ADDRESSING_HACK
158	+	const uint32 FRAME_BUFFER_BASE = 0x61000000;
159	+	uint8 *fb = Mac2HostAddr(FRAME_BUFFER_BASE);
160	+	if (vm_acquire_fixed(fb, size) < 0)
161	+	fb = VM_MAP_FAILED;
162	+	return fb;
163	+	#endif
164	+	#endif
165	+	return vm_acquire(size);
166	+	}
167	+
168	+	static inline void vm_release_framebuffer(void *fb, uint32 size)
169	+	{
170	+	vm_release(fb, size);
171	+	}
172	+
173	+
174	+	/*
175		*  SheepShaver glue
176		*/
177
#	Line 325 | Line 351 | static inline int bytes_per_pixel(int de
351		}
352
353		// Map video_mode depth ID to numerical depth value
354	<	static int sdl_depth_of_video_depth(int video_depth)
354	>	static int mac_depth_of_video_depth(int video_depth)
355		{
356		int depth = -1;
357		switch (video_depth) {
#	Line 353 | Line 379 | static int sdl_depth_of_video_depth(int
379		return depth;
380		}
381
382	+	// Map video_mode depth ID to SDL screen depth
383	+	static int sdl_depth_of_video_depth(int video_depth)
384	+	{
385	+	return (video_depth <= VIDEO_DEPTH_8BIT) ? 8 : mac_depth_of_video_depth(video_depth);
386	+	}
387	+
388		// Check wether specified mode is available
389		static bool has_mode(int type, int width, int height)
390		{
#	Line 413 | Line 445 | static void add_mode(int type, int width
445		VIDEO_MODE_Y = height;
446		VIDEO_MODE_RESOLUTION = resolution_id;
447		VIDEO_MODE_ROW_BYTES = bytes_per_row;
448	<	VIDEO_MODE_DEPTH = depth;
448	>	VIDEO_MODE_DEPTH = (video_depth)depth;
449		VideoModes.push_back(mode);
450		}
451
#	Line 549 | Line 581 | driver_base::~driver_base()
581		if (s)
582		SDL_FreeSurface(s);
583
584	+	// the_buffer shall always be mapped through vm_acquire_framebuffer()
585	+	if (the_buffer != VM_MAP_FAILED) {
586	+	D(bug(" releasing the_buffer at %p (%d bytes)\n", the_buffer, the_buffer_size));
587	+	vm_release_framebuffer(the_buffer, the_buffer_size);
588	+	the_buffer = NULL;
589	+	}
590	+
591		// Free frame buffer(s)
592		if (!use_vosf) {
554	–	if (the_buffer) {
555	–	free(the_buffer);
556	–	the_buffer = NULL;
557	–	}
593		if (the_buffer_copy) {
594		free(the_buffer_copy);
595		the_buffer_copy = NULL;
#	Line 562 | Line 597 | driver_base::~driver_base()
597		}
598		#ifdef ENABLE_VOSF
599		else {
565	–	// the_buffer shall always be mapped through vm_acquire() so that we can vm_protect() it at will
566	–	if (the_buffer != VM_MAP_FAILED) {
567	–	D(bug(" releasing the_buffer at %p (%d bytes)\n", the_buffer, the_buffer_size));
568	–	vm_release(the_buffer, the_buffer_size);
569	–	the_buffer = NULL;
570	–	}
600		if (the_host_buffer) {
601		D(bug(" freeing the_host_buffer at %p\n", the_host_buffer));
602		free(the_host_buffer);
#	Line 578 | Line 607 | driver_base::~driver_base()
607		free(the_buffer_copy);
608		the_buffer_copy = NULL;
609		}
610	+
611	+	// Deinitialize VOSF
612	+	video_vosf_exit();
613		}
614		#endif
615		}
#	Line 587 | Line 619 | void driver_base::update_palette(void)
619		{
620		const VIDEO_MODE &mode = monitor.get_current_mode();
621
622	<	if (VIDEO_MODE_DEPTH <= VIDEO_DEPTH_8BIT)
622	>	if ((int)VIDEO_MODE_DEPTH <= VIDEO_DEPTH_8BIT)
623		SDL_SetPalette(s, SDL_PHYSPAL, sdl_palette, 0, 256);
624		}
625
#	Line 618 | Line 650 | driver_window::driver_window(SDL_monitor
650		ADBSetRelMouseMode(mouse_grabbed);
651
652		// Create surface
653	<	int depth = (VIDEO_MODE_DEPTH <= VIDEO_DEPTH_8BIT ? 8 : screen_depth);
653	>	int depth = sdl_depth_of_video_depth(VIDEO_MODE_DEPTH);
654		if ((s = SDL_SetVideoMode(width, height, depth, SDL_HWSURFACE)) == NULL)
655		return;
656
#	Line 627 | Line 659 | driver_window::driver_window(SDL_monitor
659		// Allocate memory for frame buffer (SIZE is extended to page-boundary)
660		the_host_buffer = (uint8 *)s->pixels;
661		the_buffer_size = page_extend((aligned_height + 2) * s->pitch);
662	<	the_buffer = (uint8 *)vm_acquire(the_buffer_size);
662	>	the_buffer = (uint8 *)vm_acquire_framebuffer(the_buffer_size);
663		the_buffer_copy = (uint8 *)malloc(the_buffer_size);
664		D(bug("the_buffer = %p, the_buffer_copy = %p, the_host_buffer = %p\n", the_buffer, the_buffer_copy, the_host_buffer));
665
#	Line 651 | Line 683 | driver_window::driver_window(SDL_monitor
683		// Allocate memory for frame buffer
684		the_buffer_size = (aligned_height + 2) * s->pitch;
685		the_buffer_copy = (uint8 *)calloc(1, the_buffer_size);
686	<	the_buffer = (uint8 *)calloc(1, the_buffer_size);
686	>	the_buffer = (uint8 *)vm_acquire_framebuffer(the_buffer_size);
687		D(bug("the_buffer = %p, the_buffer_copy = %p\n", the_buffer, the_buffer_copy));
688		}
689
#	Line 676 | Line 708 | driver_window::driver_window(SDL_monitor
708		visualFormat.Rmask = f->Rmask;
709		visualFormat.Gmask = f->Gmask;
710		visualFormat.Bmask = f->Bmask;
711	<	Screen_blitter_init(visualFormat, true, sdl_depth_of_video_depth(VIDEO_MODE_DEPTH));
711	>	Screen_blitter_init(visualFormat, true, mac_depth_of_video_depth(VIDEO_MODE_DEPTH));
712
713		// Load gray ramp to 8->16/32 expand map
714		if (!IsDirectMode(mode))
#	Line 787 | Line 819 | static void keycode_init(void)
819
820		if (video_driver_found) {
821		// Skip aliases
822	<	static const char alias_str[] = "alias";
823	<	if (strncmp(line, alias_str, sizeof(alias_str) - 1) == 0)
822	>	static const char sdl_str[] = "sdl";
823	>	if (strncmp(line, sdl_str, sizeof(sdl_str) - 1) == 0)
824		continue;
825
826		// Read keycode
#	Line 799 | Line 831 | static void keycode_init(void)
831		break;
832		} else {
833		// Search for SDL video driver string
834	<	static const char alias_sdl_str[] = "alias SDL";
835	<	if (strncmp(line, alias_sdl_str, sizeof(alias_sdl_str) - 1) == 0) {
836	<	char *p = line + sizeof(alias_sdl_str);
834	>	static const char sdl_str[] = "sdl";
835	>	if (strncmp(line, sdl_str, sizeof(sdl_str) - 1) == 0) {
836	>	char *p = line + sizeof(sdl_str);
837		if (strstr(video_driver, p) == video_driver)
838		video_driver_found = true;
839		}
#	Line 955 | Line 987 | bool VideoInit(bool classic)
987		add_mode(display_type, 512, 342, 0x80, 64, VIDEO_DEPTH_1BIT);
988		else {
989		for (int d = VIDEO_DEPTH_1BIT; d <= default_depth; d++) {
990	<	int bpp = (d <= VIDEO_DEPTH_8BIT ? 8 : sdl_depth_of_video_depth(d));
990	>	int bpp = sdl_depth_of_video_depth(d);
991		if (SDL_VideoModeOK(max_width, max_height, bpp, SDL_HWSURFACE))
992		add_window_modes(video_depth(d));
993		}
#	Line 1043 | Line 1075 | void SDL_monitor_desc::video_close(void)
1075		UNLOCK_FRAME_BUFFER;
1076		D(bug(" frame buffer unlocked\n"));
1077
1046	–	#ifdef ENABLE_VOSF
1047	–	if (use_vosf) {
1048	–	// Deinitialize VOSF
1049	–	video_vosf_exit();
1050	–	}
1051	–	#endif
1052	–
1078		// Close display
1079		delete drv;
1080		drv = NULL;
#	Line 1147 | Line 1172 | void SDL_monitor_desc::set_palette(uint8
1172		const VIDEO_MODE &mode = get_current_mode();
1173
1174		// FIXME: how can we handle the gamma ramp?
1175	<	if (VIDEO_MODE_DEPTH > VIDEO_DEPTH_8BIT)
1175	>	if ((int)VIDEO_MODE_DEPTH > VIDEO_DEPTH_8BIT)
1176		return;
1177
1178		LOCK_PALETTE;
#	Line 1208 | Line 1233 | int16 video_mode_change(VidLocals *csSav
1233		csSave->saveData = ReadMacInt32(ParamPtr + csData);
1234		csSave->savePage = ReadMacInt16(ParamPtr + csPage);
1235
1236	<	// Disable interrupts
1236	>	// Disable interrupts and pause redraw thread
1237		DisableInterrupt();
1238	+	thread_stop_ack = false;
1239	+	thread_stop_req = true;
1240	+	while (!thread_stop_ack) ;
1241
1242		cur_mode = i;
1243		monitor_desc *monitor = VideoMonitors[0];
#	Line 1220 | Line 1248 | int16 video_mode_change(VidLocals *csSav
1248		csSave->saveData=VModes[cur_mode].viAppleID;/* First mode ... */
1249		csSave->saveMode=VModes[cur_mode].viAppleMode;
1250
1251	<	// Enable interrupts
1251	>	// Enable interrupts and resume redraw thread
1252	>	thread_stop_req = false;
1253		EnableInterrupt();
1254		return noErr;
1255		}
#	Line 1267 | Line 1296 | void video_set_cursor(void)
1296
1297
1298		/*
1299	<	*  Install graphics acceleration
1299	>	*  Keyboard-related utilify functions
1300		*/
1301
1302	<	#ifdef SHEEPSHAVER
1274	<	// Rectangle inversion
1275	<	template< int bpp >
1276	<	static inline void do_invrect(uint8 *dest, uint32 length)
1277	<	{
1278	<	#define INVERT_1(PTR, OFS) ((uint8  *)(PTR))[OFS] = ~((uint8  *)(PTR))[OFS]
1279	<	#define INVERT_2(PTR, OFS) ((uint16 *)(PTR))[OFS] = ~((uint16 *)(PTR))[OFS]
1280	<	#define INVERT_4(PTR, OFS) ((uint32 *)(PTR))[OFS] = ~((uint32 *)(PTR))[OFS]
1281	<	#define INVERT_8(PTR, OFS) ((uint64 *)(PTR))[OFS] = ~((uint64 *)(PTR))[OFS]
1282	<
1283	<	#ifndef UNALIGNED_PROFITABLE
1284	<	// Align on 16-bit boundaries
1285	<	if (bpp < 16 && (((uintptr)dest) & 1)) {
1286	<	INVERT_1(dest, 0);
1287	<	dest += 1; length -= 1;
1288	<	}
1289	<
1290	<	// Align on 32-bit boundaries
1291	<	if (bpp < 32 && (((uintptr)dest) & 2)) {
1292	<	INVERT_2(dest, 0);
1293	<	dest += 2; length -= 2;
1294	<	}
1295	<	#endif
1296	<
1297	<	// Invert 8-byte words
1298	<	if (length >= 8) {
1299	<	const int r = (length / 8) % 8;
1300	<	dest += r * 8;
1301	<
1302	<	int n = ((length / 8) + 7) / 8;
1303	<	switch (r) {
1304	<	case 0: do {
1305	<	dest += 64;
1306	<	INVERT_8(dest, -8);
1307	<	case 7: INVERT_8(dest, -7);
1308	<	case 6: INVERT_8(dest, -6);
1309	<	case 5: INVERT_8(dest, -5);
1310	<	case 4: INVERT_8(dest, -4);
1311	<	case 3: INVERT_8(dest, -3);
1312	<	case 2: INVERT_8(dest, -2);
1313	<	case 1: INVERT_8(dest, -1);
1314	<	} while (--n > 0);
1315	<	}
1316	<	}
1317	<
1318	<	// 32-bit cell to invert?
1319	<	if (length & 4) {
1320	<	INVERT_4(dest, 0);
1321	<	if (bpp <= 16)
1322	<	dest += 4;
1323	<	}
1324	<
1325	<	// 16-bit cell to invert?
1326	<	if (bpp <= 16 && (length & 2)) {
1327	<	INVERT_2(dest, 0);
1328	<	if (bpp <= 8)
1329	<	dest += 2;
1330	<	}
1331	<
1332	<	// 8-bit cell to invert?
1333	<	if (bpp <= 8 && (length & 1))
1334	<	INVERT_1(dest, 0);
1335	<
1336	<	#undef INVERT_1
1337	<	#undef INVERT_2
1338	<	#undef INVERT_4
1339	<	#undef INVERT_8
1340	<	}
1341	<
1342	<	void NQD_invrect(uint32 p)
1302	>	static bool is_modifier_key(SDL_KeyboardEvent const & e)
1303		{
1304	<	D(bug("accl_invrect %08x\n", p));
1305	<
1306	<	// Get inversion parameters
1307	<	int16 dest_X = (int16)ReadMacInt16(p + acclDestRect + 2) - (int16)ReadMacInt16(p + acclDestBoundsRect + 2);
1308	<	int16 dest_Y = (int16)ReadMacInt16(p + acclDestRect + 0) - (int16)ReadMacInt16(p + acclDestBoundsRect + 0);
1309	<	int16 width  = (int16)ReadMacInt16(p + acclDestRect + 6) - (int16)ReadMacInt16(p + acclDestRect + 2);
1310	<	int16 height = (int16)ReadMacInt16(p + acclDestRect + 4) - (int16)ReadMacInt16(p + acclDestRect + 0);
1311	<	D(bug(" dest X %d, dest Y %d\n", dest_X, dest_Y));
1312	<	D(bug(" width %d, height %d, bytes_per_row %d\n", width, height, (int32)ReadMacInt32(p + acclDestRowBytes)));
1313	<
1314	<	//!!?? pen_mode == 14
1315	<
1316	<	// And perform the inversion
1317	<	const int bpp = bytes_per_pixel(ReadMacInt32(p + acclDestPixelSize));
1318	<	const int dest_row_bytes = (int32)ReadMacInt32(p + acclDestRowBytes);
1319	<	uint8 *dest = Mac2HostAddr(ReadMacInt32(p + acclDestBaseAddr) + (dest_Y * dest_row_bytes) + (dest_X * bpp));
1360	<	width *= bpp;
1361	<	switch (bpp) {
1362	<	case 1:
1363	<	for (int i = 0; i < height; i++) {
1364	<	do_invrect<8>(dest, width);
1365	<	dest += dest_row_bytes;
1366	<	}
1367	<	break;
1368	<	case 2:
1369	<	for (int i = 0; i < height; i++) {
1370	<	do_invrect<16>(dest, width);
1371	<	dest += dest_row_bytes;
1372	<	}
1373	<	break;
1374	<	case 4:
1375	<	for (int i = 0; i < height; i++) {
1376	<	do_invrect<32>(dest, width);
1377	<	dest += dest_row_bytes;
1378	<	}
1379	<	break;
1380	<	}
1381	<	}
1382	<
1383	<	// Rectangle filling
1384	<	template< int bpp >
1385	<	static inline void do_fillrect(uint8 *dest, uint32 color, uint32 length)
1386	<	{
1387	<	#define FILL_1(PTR, OFS, VAL) ((uint8  *)(PTR))[OFS] = (VAL)
1388	<	#define FILL_2(PTR, OFS, VAL) ((uint16 *)(PTR))[OFS] = (VAL)
1389	<	#define FILL_4(PTR, OFS, VAL) ((uint32 *)(PTR))[OFS] = (VAL)
1390	<	#define FILL_8(PTR, OFS, VAL) ((uint64 *)(PTR))[OFS] = (VAL)
1391	<
1392	<	#ifndef UNALIGNED_PROFITABLE
1393	<	// Align on 16-bit boundaries
1394	<	if (bpp < 16 && (((uintptr)dest) & 1)) {
1395	<	FILL_1(dest, 0, color);
1396	<	dest += 1; length -= 1;
1397	<	}
1398	<
1399	<	// Align on 32-bit boundaries
1400	<	if (bpp < 32 && (((uintptr)dest) & 2)) {
1401	<	FILL_2(dest, 0, color);
1402	<	dest += 2; length -= 2;
1403	<	}
1404	<	#endif
1405	<
1406	<	// Fill 8-byte words
1407	<	if (length >= 8) {
1408	<	const uint64 c = (((uint64)color) << 32) | color;
1409	<	const int r = (length / 8) % 8;
1410	<	dest += r * 8;
1411	<
1412	<	int n = ((length / 8) + 7) / 8;
1413	<	switch (r) {
1414	<	case 0: do {
1415	<	dest += 64;
1416	<	FILL_8(dest, -8, c);
1417	<	case 7: FILL_8(dest, -7, c);
1418	<	case 6: FILL_8(dest, -6, c);
1419	<	case 5: FILL_8(dest, -5, c);
1420	<	case 4: FILL_8(dest, -4, c);
1421	<	case 3: FILL_8(dest, -3, c);
1422	<	case 2: FILL_8(dest, -2, c);
1423	<	case 1: FILL_8(dest, -1, c);
1424	<	} while (--n > 0);
1425	<	}
1426	<	}
1427	<
1428	<	// 32-bit cell to fill?
1429	<	if (length & 4) {
1430	<	FILL_4(dest, 0, color);
1431	<	if (bpp <= 16)
1432	<	dest += 4;
1433	<	}
1434	<
1435	<	// 16-bit cell to fill?
1436	<	if (bpp <= 16 && (length & 2)) {
1437	<	FILL_2(dest, 0, color);
1438	<	if (bpp <= 8)
1439	<	dest += 2;
1440	<	}
1441	<
1442	<	// 8-bit cell to fill?
1443	<	if (bpp <= 8 && (length & 1))
1444	<	FILL_1(dest, 0, color);
1445	<
1446	<	#undef FILL_1
1447	<	#undef FILL_2
1448	<	#undef FILL_4
1449	<	#undef FILL_8
1450	<	}
1451	<
1452	<	void NQD_fillrect(uint32 p)
1453	<	{
1454	<	D(bug("accl_fillrect %08x\n", p));
1455	<
1456	<	// Get filling parameters
1457	<	int16 dest_X = (int16)ReadMacInt16(p + acclDestRect + 2) - (int16)ReadMacInt16(p + acclDestBoundsRect + 2);
1458	<	int16 dest_Y = (int16)ReadMacInt16(p + acclDestRect + 0) - (int16)ReadMacInt16(p + acclDestBoundsRect + 0);
1459	<	int16 width  = (int16)ReadMacInt16(p + acclDestRect + 6) - (int16)ReadMacInt16(p + acclDestRect + 2);
1460	<	int16 height = (int16)ReadMacInt16(p + acclDestRect + 4) - (int16)ReadMacInt16(p + acclDestRect + 0);
1461	<	uint32 color = htonl(ReadMacInt32(p + acclPenMode) == 8 ? ReadMacInt32(p + acclForePen) : ReadMacInt32(p + acclBackPen));
1462	<	D(bug(" dest X %d, dest Y %d\n", dest_X, dest_Y));
1463	<	D(bug(" width %d, height %d\n", width, height));
1464	<	D(bug(" bytes_per_row %d color %08x\n", (int32)ReadMacInt32(p + acclDestRowBytes), color));
1465	<
1466	<	// And perform the fill
1467	<	const int bpp = bytes_per_pixel(ReadMacInt32(p + acclDestPixelSize));
1468	<	const int dest_row_bytes = (int32)ReadMacInt32(p + acclDestRowBytes);
1469	<	uint8 *dest = Mac2HostAddr(ReadMacInt32(p + acclDestBaseAddr) + (dest_Y * dest_row_bytes) + (dest_X * bpp));
1470	<	width *= bpp;
1471	<	switch (bpp) {
1472	<	case 1:
1473	<	for (int i = 0; i < height; i++) {
1474	<	memset(dest, color, width);
1475	<	dest += dest_row_bytes;
1476	<	}
1477	<	break;
1478	<	case 2:
1479	<	for (int i = 0; i < height; i++) {
1480	<	do_fillrect<16>(dest, color, width);
1481	<	dest += dest_row_bytes;
1482	<	}
1483	<	break;
1484	<	case 4:
1485	<	for (int i = 0; i < height; i++) {
1486	<	do_fillrect<32>(dest, color, width);
1487	<	dest += dest_row_bytes;
1488	<	}
1489	<	break;
1490	<	}
1491	<	}
1492	<
1493	<	bool NQD_fillrect_hook(uint32 p)
1494	<	{
1495	<	D(bug("accl_fillrect_hook %08x\n", p));
1496	<
1497	<	// Check if we can accelerate this fillrect
1498	<	if (ReadMacInt32(p + 0x284) != 0 && ReadMacInt32(p + acclDestPixelSize) >= 8) {
1499	<	const int transfer_mode = ReadMacInt32(p + acclTransferMode);
1500	<	if (transfer_mode == 8) {
1501	<	// Fill
1502	<	WriteMacInt32(p + acclDrawProc, NativeTVECT(NATIVE_FILLRECT));
1503	<	return true;
1504	<	}
1505	<	else if (transfer_mode == 10) {
1506	<	// Invert
1507	<	WriteMacInt32(p + acclDrawProc, NativeTVECT(NATIVE_INVRECT));
1508	<	return true;
1509	<	}
1510	<	}
1511	<	return false;
1512	<	}
1513	<
1514	<	// Rectangle blitting
1515	<	// TODO: optimize for VOSF and target pixmap == screen
1516	<	void NQD_bitblt(uint32 p)
1517	<	{
1518	<	D(bug("accl_bitblt %08x\n", p));
1519	<
1520	<	// Get blitting parameters
1521	<	int16 src_X  = (int16)ReadMacInt16(p + acclSrcRect + 2) - (int16)ReadMacInt16(p + acclSrcBoundsRect + 2);
1522	<	int16 src_Y  = (int16)ReadMacInt16(p + acclSrcRect + 0) - (int16)ReadMacInt16(p + acclSrcBoundsRect + 0);
1523	<	int16 dest_X = (int16)ReadMacInt16(p + acclDestRect + 2) - (int16)ReadMacInt16(p + acclDestBoundsRect + 2);
1524	<	int16 dest_Y = (int16)ReadMacInt16(p + acclDestRect + 0) - (int16)ReadMacInt16(p + acclDestBoundsRect + 0);
1525	<	int16 width  = (int16)ReadMacInt16(p + acclDestRect + 6) - (int16)ReadMacInt16(p + acclDestRect + 2);
1526	<	int16 height = (int16)ReadMacInt16(p + acclDestRect + 4) - (int16)ReadMacInt16(p + acclDestRect + 0);
1527	<	D(bug(" src addr %08x, dest addr %08x\n", ReadMacInt32(p + acclSrcBaseAddr), ReadMacInt32(p + acclDestBaseAddr)));
1528	<	D(bug(" src X %d, src Y %d, dest X %d, dest Y %d\n", src_X, src_Y, dest_X, dest_Y));
1529	<	D(bug(" width %d, height %d\n", width, height));
1530	<
1531	<	// And perform the blit
1532	<	const int bpp = bytes_per_pixel(ReadMacInt32(p + acclSrcPixelSize));
1533	<	width *= bpp;
1534	<	if ((int32)ReadMacInt32(p + acclSrcRowBytes) > 0) {
1535	<	const int src_row_bytes = (int32)ReadMacInt32(p + acclSrcRowBytes);
1536	<	const int dst_row_bytes = (int32)ReadMacInt32(p + acclDestRowBytes);
1537	<	uint8 *src = Mac2HostAddr(ReadMacInt32(p + acclSrcBaseAddr) + (src_Y * src_row_bytes) + (src_X * bpp));
1538	<	uint8 *dst = Mac2HostAddr(ReadMacInt32(p + acclDestBaseAddr) + (dest_Y * dst_row_bytes) + (dest_X * bpp));
1539	<	for (int i = 0; i < height; i++) {
1540	<	memmove(dst, src, width);
1541	<	src += src_row_bytes;
1542	<	dst += dst_row_bytes;
1543	<	}
1544	<	}
1545	<	else {
1546	<	const int src_row_bytes = -(int32)ReadMacInt32(p + acclSrcRowBytes);
1547	<	const int dst_row_bytes = -(int32)ReadMacInt32(p + acclDestRowBytes);
1548	<	uint8 *src = Mac2HostAddr(ReadMacInt32(p + acclSrcBaseAddr) + ((src_Y + height - 1) * src_row_bytes) + (src_X * bpp));
1549	<	uint8 *dst = Mac2HostAddr(ReadMacInt32(p + acclDestBaseAddr) + ((dest_Y + height - 1) * dst_row_bytes) + (dest_X * bpp));
1550	<	for (int i = height - 1; i >= 0; i--) {
1551	<	memmove(dst, src, width);
1552	<	src -= src_row_bytes;
1553	<	dst -= dst_row_bytes;
1554	<	}
1555	<	}
1556	<	}
1557	<
1558	<	/*
1559	<	BitBlt transfer modes:
1560	<	0 : srcCopy
1561	<	1 : srcOr
1562	<	2 : srcXor
1563	<	3 : srcBic
1564	<	4 : notSrcCopy
1565	<	5 : notSrcOr
1566	<	6 : notSrcXor
1567	<	7 : notSrcBic
1568	<	32 : blend
1569	<	33 : addPin
1570	<	34 : addOver
1571	<	35 : subPin
1572	<	36 : transparent
1573	<	37 : adMax
1574	<	38 : subOver
1575	<	39 : adMin
1576	<	50 : hilite
1577	<	*/
1578	<
1579	<	bool NQD_bitblt_hook(uint32 p)
1580	<	{
1581	<	D(bug("accl_draw_hook %08x\n", p));
1582	<
1583	<	// Check if we can accelerate this bitblt
1584	<	if (ReadMacInt32(p + 0x018) + ReadMacInt32(p + 0x128) == 0 &&
1585	<	ReadMacInt32(p + 0x130) == 0 &&
1586	<	ReadMacInt32(p + acclSrcPixelSize) >= 8 &&
1587	<	ReadMacInt32(p + acclSrcPixelSize) == ReadMacInt32(p + acclDestPixelSize) &&
1588	<	(ReadMacInt32(p + acclSrcRowBytes) ^ ReadMacInt32(p + acclDestRowBytes)) >= 0 && // same sign?
1589	<	ReadMacInt32(p + acclTransferMode) == 0 &&                                                                               // srcCopy?
1590	<	ReadMacInt32(p + 0x15c) > 0) {
1591	<
1592	<	// Yes, set function pointer
1593	<	WriteMacInt32(p + acclDrawProc, NativeTVECT(NATIVE_BITBLT));
1304	>	switch (e.keysym.sym) {
1305	>	case SDLK_NUMLOCK:
1306	>	case SDLK_CAPSLOCK:
1307	>	case SDLK_SCROLLOCK:
1308	>	case SDLK_RSHIFT:
1309	>	case SDLK_LSHIFT:
1310	>	case SDLK_RCTRL:
1311	>	case SDLK_LCTRL:
1312	>	case SDLK_RALT:
1313	>	case SDLK_LALT:
1314	>	case SDLK_RMETA:
1315	>	case SDLK_LMETA:
1316	>	case SDLK_LSUPER:
1317	>	case SDLK_RSUPER:
1318	>	case SDLK_MODE:
1319	>	case SDLK_COMPOSE:
1320		return true;
1321		}
1322		return false;
1323		}
1324
1325	<	// Wait for graphics operation to finish
1600	<	bool NQD_sync_hook(uint32 arg)
1601	<	{
1602	<	D(bug("accl_sync_hook %08x\n", arg));
1603	<	return true;
1604	<	}
1605	<
1606	<	void VideoInstallAccel(void)
1325	>	static bool is_ctrl_down(SDL_keysym const & ks)
1326		{
1327	<	// Install acceleration hooks
1609	<	if (PrefsFindBool("gfxaccel")) {
1610	<	D(bug("Video: Installing acceleration hooks\n"));
1611	<	uint32 base;
1612	<
1613	<	SheepVar bitblt_hook_info(sizeof(accl_hook_info));
1614	<	base = bitblt_hook_info.addr();
1615	<	WriteMacInt32(base + 0, NativeTVECT(NATIVE_BITBLT_HOOK));
1616	<	WriteMacInt32(base + 4, NativeTVECT(NATIVE_SYNC_HOOK));
1617	<	WriteMacInt32(base + 8, ACCL_BITBLT);
1618	<	NQDMisc(6, bitblt_hook_info.ptr());
1619	<
1620	<	SheepVar fillrect_hook_info(sizeof(accl_hook_info));
1621	<	base = fillrect_hook_info.addr();
1622	<	WriteMacInt32(base + 0, NativeTVECT(NATIVE_FILLRECT_HOOK));
1623	<	WriteMacInt32(base + 4, NativeTVECT(NATIVE_SYNC_HOOK));
1624	<	WriteMacInt32(base + 8, ACCL_FILLRECT);
1625	<	NQDMisc(6, fillrect_hook_info.ptr());
1626	<	}
1327	>	return ctrl_down || (ks.mod & KMOD_CTRL);
1328		}
1628	–	#endif
1329
1330
1331		/*
#	Line 1633 | Line 1333 | void VideoInstallAccel(void)
1333		*  and -2 if the key was recognized as a hotkey
1334		*/
1335
1636	–	static bool is_ctrl_down(SDL_keysym const & ks)
1637	–	{
1638	–	return ctrl_down || (ks.mod & KMOD_CTRL);
1639	–	}
1640	–
1336		static int kc_decode(SDL_keysym const & ks, bool key_down)
1337		{
1338		switch (ks.sym) {
#	Line 1707 | Line 1402 | static int kc_decode(SDL_keysym const &
1402		case SDLK_RCTRL: return 0x36;
1403		case SDLK_LSHIFT: return 0x38;
1404		case SDLK_RSHIFT: return 0x38;
1405	+	#if (defined(__APPLE__) && defined(__MACH__))
1406	+	case SDLK_LALT: return 0x3a;
1407	+	case SDLK_RALT: return 0x3a;
1408	+	case SDLK_LMETA: return 0x37;
1409	+	case SDLK_RMETA: return 0x37;
1410	+	#else
1411		case SDLK_LALT: return 0x37;
1412		case SDLK_RALT: return 0x37;
1413		case SDLK_LMETA: return 0x3a;
1414		case SDLK_RMETA: return 0x3a;
1415	+	#endif
1416		case SDLK_MENU: return 0x32;
1417		case SDLK_CAPSLOCK: return 0x39;
1418		case SDLK_NUMLOCK: return 0x47;
#	Line 1817 | Line 1519 | static void handle_events(void)
1519		// Keyboard
1520		case SDL_KEYDOWN: {
1521		int code = -1;
1522	<	if (use_keycodes) {
1522	>	if (use_keycodes && !is_modifier_key(event.key)) {
1523		if (event2keycode(event.key, true) != -2)       // This is called to process the hotkeys
1524		code = keycode_table[event.key.keysym.scancode & 0xff];
1525		} else
#	Line 1845 | Line 1547 | static void handle_events(void)
1547		}
1548		case SDL_KEYUP: {
1549		int code = -1;
1550	<	if (use_keycodes) {
1550	>	if (use_keycodes && !is_modifier_key(event.key)) {
1551		if (event2keycode(event.key, false) != -2)      // This is called to process the hotkeys
1552		code = keycode_table[event.key.keysym.scancode & 0xff];
1553		} else
1554		code = event2keycode(event.key, false);
1555	<	if (code >= 0 && code != 0x39) {        // Don't propagate Caps Lock releases
1556	<	ADBKeyUp(code);
1555	>	if (code >= 0) {
1556	>	if (code == 0x39) {     // Caps Lock released
1557	>	if (caps_on) {
1558	>	ADBKeyUp(code);
1559	>	caps_on = false;
1560	>	} else {
1561	>	ADBKeyDown(code);
1562	>	caps_on = true;
1563	>	}
1564	>	} else
1565	>	ADBKeyUp(code);
1566		if (code == 0x36)
1567		ctrl_down = false;
1568		}
#	Line 1918 | Line 1629 | static void update_display_static(driver
1629
1630		// Check for first column from left and first column from right that have changed
1631		if (high) {
1632	<	if (VIDEO_MODE_DEPTH < VIDEO_DEPTH_8BIT) {
1632	>	if ((int)VIDEO_MODE_DEPTH < VIDEO_DEPTH_8BIT) {
1633		const int src_bytes_per_row = bytes_per_row;
1634		const int dst_bytes_per_row = drv->s->pitch;
1635		const int pixels_per_byte = VIDEO_MODE_X / src_bytes_per_row;
#	Line 2179 | Line 1890 | static int redraw_func(void *arg)
1890		next = GetTicks_usec();
1891		ticks++;
1892
1893	+	#ifdef SHEEPSHAVER
1894	+	// Pause if requested (during video mode switches)
1895	+	if (thread_stop_req) {
1896	+	thread_stop_ack = true;
1897	+	continue;
1898	+	}
1899	+	#endif
1900	+
1901		// Handle SDL events
1902		handle_events();
1903

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