ViewVC Help

View File | Revision Log | Show Annotations | Revision Graph | Root Listing

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

Comparing SheepShaver/src/Unix/video_x.cpp (file contents):
Revision 1.31 by gbeauche, 2004-06-30T22:03:34Z vs.
Revision 1.37 by gbeauche, 2005-03-27T14:53:04Z

#	Line 1 | Line 1
1		/*
2		*  video_x.cpp - Video/graphics emulation, X11 specific stuff
3		*
4	<	*  SheepShaver (C) 1997-2004 Marc Hellwig and Christian Bauer
4	>	*  SheepShaver (C) 1997-2005 Marc Hellwig and Christian Bauer
5		*
6		*  This program is free software; you can redistribute it and/or modify
7		*  it under the terms of the GNU General Public License as published by
#	Line 503 | Line 503 | static bool open_window(int width, int h
503		the_buffer = (uint8 *)malloc((aligned_height + 2) * img->bytes_per_line);
504		D(bug("the_buffer = %p, the_buffer_copy = %p\n", the_buffer, the_buffer_copy));
505		#endif
506	<	screen_base = (uint32)the_buffer;
506	>	screen_base = Host2MacAddr(the_buffer);
507
508		// Create GC
509		the_gc = XCreateGC(x_display, the_win, 0, 0);
#	Line 633 | Line 633 | static bool open_dga(int width, int heig
633
634		// Set frame buffer base
635		D(bug("the_buffer = %p, use_vosf = %d\n", the_buffer, use_vosf));
636	<	screen_base = (uint32)the_buffer;
636	>	screen_base = Host2MacAddr(the_buffer);
637		VModes[cur_mode].viRowBytes = bytes_per_row;
638		return true;
639		#else
#	Line 892 | Line 892 | static void keycode_init(void)
892
893		// Search for server vendor string, then read keycodes
894		const char *vendor = ServerVendor(x_display);
895	–	#if (defined(__APPLE__) && defined(__MACH__))
895		// Force use of MacX mappings on MacOS X with Apple's X server
896		int dummy;
897		if (XQueryExtension(x_display, "Apple-DRI", &dummy, &dummy, &dummy))
898		vendor = "MacX";
900	–	#endif
899		bool vendor_found = false;
900		char line[256];
901		while (fgets(line, 255, f)) {
#	Line 972 | Line 970 | static int find_mode(int apple_mode, int
970		return -1;
971		}
972
973	+	// Add custom video mode
974	+	static void add_custom_mode(VideoInfo *&p, int type, uint32 x, uint32 y, int apple_mode, int apple_id)
975	+	{
976	+	p->viType = type;
977	+	p->viXsize = x;
978	+	p->viYsize = y;
979	+	p->viRowBytes = TrivialBytesPerRow(p->viXsize, apple_mode);
980	+	p->viAppleMode = apple_mode;
981	+	p->viAppleID = apple_id;
982	+	p++;
983	+	}
984	+
985		// Add mode to list of supported modes
986		static void add_mode(VideoInfo *&p, uint32 allow, uint32 test, int apple_mode, int apple_id, int type)
987		{
988		if (allow & test) {
989	<	p->viType = type;
989	>	uint32 x = 0, y = 0;
990		switch (apple_id) {
991		case APPLE_W_640x480:
992		case APPLE_640x480:
993	<	p->viXsize = 640;
994	<	p->viYsize = 480;
993	>	x = 640;
994	>	y = 480;
995		break;
996		case APPLE_W_800x600:
997		case APPLE_800x600:
998	<	p->viXsize = 800;
999	<	p->viYsize = 600;
998	>	x = 800;
999	>	y = 600;
1000		break;
1001		case APPLE_1024x768:
1002	<	p->viXsize = 1024;
1003	<	p->viYsize = 768;
1002	>	x = 1024;
1003	>	y = 768;
1004		break;
1005		case APPLE_1152x768:
1006	<	p->viXsize = 1152;
1007	<	p->viYsize = 768;
1006	>	x = 1152;
1007	>	y = 768;
1008		break;
1009		case APPLE_1152x900:
1010	<	p->viXsize = 1152;
1011	<	p->viYsize = 900;
1010	>	x = 1152;
1011	>	y = 900;
1012		break;
1013		case APPLE_1280x1024:
1014	<	p->viXsize = 1280;
1015	<	p->viYsize = 1024;
1014	>	x = 1280;
1015	>	y = 1024;
1016		break;
1017		case APPLE_1600x1200:
1018	<	p->viXsize = 1600;
1019	<	p->viYsize = 1200;
1018	>	x = 1600;
1019	>	y = 1200;
1020		break;
1021		}
1022	<	p->viRowBytes = TrivialBytesPerRow(p->viXsize, apple_mode);
1013	<	p->viAppleMode = apple_mode;
1014	<	p->viAppleID = apple_id;
1015	<	p++;
1022	>	add_custom_mode(p, type, x, y, apple_mode, apple_id);
1023		}
1024		}
1025
#	Line 1122 | Line 1129 | bool VideoInit(void)
1129		break;
1130		}
1131
1132	+	// Get screen mode from preferences
1133	+	const char *mode_str = PrefsFindString("screen");
1134	+	int default_width = 640, default_height = 480;
1135	+	if (mode_str) {
1136	+	display_type = DIS_INVALID;
1137	+	if (sscanf(mode_str, "win/%d/%d", &default_width, &default_height) == 2)
1138	+	display_type = DIS_WINDOW;
1139	+	#ifdef ENABLE_XF86_DGA
1140	+	else if (has_dga && sscanf(mode_str, "dga/%d/%d", &default_width, &default_height) == 2)
1141	+	display_type = DIS_SCREEN;
1142	+	#endif
1143	+	if (display_type == DIS_INVALID) {
1144	+	D(bug("Invalid screen mode specified, defaulting to old modes selection\n"));
1145	+	mode_str = NULL;
1146	+	}
1147	+	else {
1148	+	if (default_width <= 0)
1149	+	default_width = DisplayWidth(x_display, screen);
1150	+	else if (default_width > DisplayWidth(x_display, screen))
1151	+	default_width = DisplayWidth(x_display, screen);
1152	+	if (default_height <= 0)
1153	+	default_height = DisplayHeight(x_display, screen);
1154	+	else if (default_height > DisplayHeight(x_display, screen))
1155	+	default_height = DisplayHeight(x_display, screen);
1156	+	}
1157	+	}
1158	+
1159		// Construct video mode table
1160		uint32 window_modes = PrefsFindInt32("windowmodes");
1161		uint32 screen_modes = PrefsFindInt32("screenmodes");
1162		if (!has_dga)
1163		screen_modes = 0;
1164	<	if (window_modes == 0 && screen_modes == 0)
1164	>	if (mode_str)
1165	>	window_modes = screen_modes = 0;
1166	>	else if (window_modes == 0 && screen_modes == 0)
1167		window_modes |= 3;      // Allow at least 640x480 and 800x600 window modes
1168
1169		VideoInfo *p = VModes;
1170	<	for (unsigned int d = APPLE_1_BIT; d <= APPLE_32_BIT; d++)
1171	<	if (find_visual_for_depth(d))
1172	<	add_window_modes(p, window_modes, d);
1173	<
1174	<	if (has_vidmode) {
1170	>	if (mode_str) {
1171	>	if (display_type == DIS_WINDOW) {
1172	>	for (unsigned int d = APPLE_1_BIT; d <= APPLE_32_BIT; d++) {
1173	>	if (find_visual_for_depth(d)) {
1174	>	if (default_width > 640 && default_height > 480)
1175	>	add_mode(p, 3, 1, d, APPLE_W_640x480, DIS_WINDOW);
1176	>	if (default_width > 800 && default_height > 600)
1177	>	add_mode(p, 3, 2, d, APPLE_W_800x600, DIS_WINDOW);
1178	>	add_custom_mode(p, display_type, default_width, default_height, d, APPLE_CUSTOM);
1179	>	}
1180	>	}
1181	>	} else
1182	>	add_custom_mode(p, display_type, default_width, default_height, default_mode, APPLE_CUSTOM);
1183	>	} else if (window_modes) {
1184	>	for (unsigned int d = APPLE_1_BIT; d <= APPLE_32_BIT; d++)
1185	>	if (find_visual_for_depth(d))
1186	>	add_window_modes(p, window_modes, d);
1187	>	} else if (has_vidmode) {
1188		if (has_mode(640, 480))
1189		add_mode(p, screen_modes, 1, default_mode, APPLE_640x480, DIS_SCREEN);
1190		if (has_mode(800, 600))
#	Line 1176 | Line 1225 | bool VideoInit(void)
1225		int apple_id = find_apple_resolution(screen_width, screen_height);
1226		if (apple_id != -1)
1227		cur_mode = find_mode(default_mode, apple_id, DIS_SCREEN);
1228	<	}
1228	>	} else if (has_dga && mode_str)
1229	>	cur_mode = find_mode(default_mode, APPLE_CUSTOM, DIS_SCREEN);
1230	>
1231		if (cur_mode == -1) {
1232		// pick up first windowed mode available
1233		for (VideoInfo *p = VModes; p->viType != DIS_INVALID; p++) {
#	Line 1267 | Line 1318 | static void suspend_emul(void)
1318		// Save frame buffer
1319		fb_save = malloc(VModes[cur_mode].viYsize * VModes[cur_mode].viRowBytes);
1320		if (fb_save)
1321	<	memcpy(fb_save, (void *)screen_base, VModes[cur_mode].viYsize * VModes[cur_mode].viRowBytes);
1321	>	Mac2Host_memcpy(fb_save, screen_base, VModes[cur_mode].viYsize * VModes[cur_mode].viRowBytes);
1322
1323		// Close full screen display
1324		#ifdef ENABLE_XF86_DGA
#	Line 1329 | Line 1380 | static void resume_emul(void)
1380		// Don't copy fb_save to the temporary frame buffer in VOSF mode
1381		if (!use_vosf)
1382		#endif
1383	<	memcpy((void *)screen_base, fb_save, VModes[cur_mode].viYsize * VModes[cur_mode].viRowBytes);
1383	>	Host2Mac_memcpy(screen_base, fb_save, VModes[cur_mode].viYsize * VModes[cur_mode].viRowBytes);
1384		free(fb_save);
1385		fb_save = NULL;
1386		}
#	Line 1660 | Line 1711 | void VideoVBL(void)
1711		}
1712
1713
1663	–	/*
1664	–	*  Install graphics acceleration
1665	–	*/
1666	–
1667	–	// Rectangle inversion
1668	–	template< int bpp >
1669	–	static inline void do_invrect(uint8 *dest, uint32 length)
1670	–	{
1671	–	#define INVERT_1(PTR, OFS) ((uint8  *)(PTR))[OFS] = ~((uint8  *)(PTR))[OFS]
1672	–	#define INVERT_2(PTR, OFS) ((uint16 *)(PTR))[OFS] = ~((uint16 *)(PTR))[OFS]
1673	–	#define INVERT_4(PTR, OFS) ((uint32 *)(PTR))[OFS] = ~((uint32 *)(PTR))[OFS]
1674	–	#define INVERT_8(PTR, OFS) ((uint64 *)(PTR))[OFS] = ~((uint64 *)(PTR))[OFS]
1675	–
1676	–	#ifndef UNALIGNED_PROFITABLE
1677	–	// Align on 16-bit boundaries
1678	–	if (bpp < 16 && (((uintptr)dest) & 1)) {
1679	–	INVERT_1(dest, 0);
1680	–	dest += 1; length -= 1;
1681	–	}
1682	–
1683	–	// Align on 32-bit boundaries
1684	–	if (bpp < 32 && (((uintptr)dest) & 2)) {
1685	–	INVERT_2(dest, 0);
1686	–	dest += 2; length -= 2;
1687	–	}
1688	–	#endif
1689	–
1690	–	// Invert 8-byte words
1691	–	if (length >= 8) {
1692	–	const int r = (length / 8) % 8;
1693	–	dest += r * 8;
1694	–
1695	–	int n = ((length / 8) + 7) / 8;
1696	–	switch (r) {
1697	–	case 0: do {
1698	–	dest += 64;
1699	–	INVERT_8(dest, -8);
1700	–	case 7: INVERT_8(dest, -7);
1701	–	case 6: INVERT_8(dest, -6);
1702	–	case 5: INVERT_8(dest, -5);
1703	–	case 4: INVERT_8(dest, -4);
1704	–	case 3: INVERT_8(dest, -3);
1705	–	case 2: INVERT_8(dest, -2);
1706	–	case 1: INVERT_8(dest, -1);
1707	–	} while (--n > 0);
1708	–	}
1709	–	}
1710	–
1711	–	// 32-bit cell to invert?
1712	–	if (length & 4) {
1713	–	INVERT_4(dest, 0);
1714	–	if (bpp <= 16)
1715	–	dest += 4;
1716	–	}
1717	–
1718	–	// 16-bit cell to invert?
1719	–	if (bpp <= 16 && (length & 2)) {
1720	–	INVERT_2(dest, 0);
1721	–	if (bpp <= 8)
1722	–	dest += 2;
1723	–	}
1724	–
1725	–	// 8-bit cell to invert?
1726	–	if (bpp <= 8 && (length & 1))
1727	–	INVERT_1(dest, 0);
1728	–
1729	–	#undef INVERT_1
1730	–	#undef INVERT_2
1731	–	#undef INVERT_4
1732	–	#undef INVERT_8
1733	–	}
1734	–
1735	–	void NQD_invrect(uint32 p)
1736	–	{
1737	–	D(bug("accl_invrect %08x\n", p));
1738	–
1739	–	// Get inversion parameters
1740	–	int16 dest_X = (int16)ReadMacInt16(p + acclDestRect + 2) - (int16)ReadMacInt16(p + acclDestBoundsRect + 2);
1741	–	int16 dest_Y = (int16)ReadMacInt16(p + acclDestRect + 0) - (int16)ReadMacInt16(p + acclDestBoundsRect + 0);
1742	–	int16 width  = (int16)ReadMacInt16(p + acclDestRect + 6) - (int16)ReadMacInt16(p + acclDestRect + 2);
1743	–	int16 height = (int16)ReadMacInt16(p + acclDestRect + 4) - (int16)ReadMacInt16(p + acclDestRect + 0);
1744	–	D(bug(" dest X %d, dest Y %d\n", dest_X, dest_Y));
1745	–	D(bug(" width %d, height %d, bytes_per_row %d\n", width, height, (int32)ReadMacInt32(p + acclDestRowBytes)));
1746	–
1747	–	//!!?? pen_mode == 14
1748	–
1749	–	// And perform the inversion
1750	–	const int bpp = bytes_per_pixel(ReadMacInt32(p + acclDestPixelSize));
1751	–	const int dest_row_bytes = (int32)ReadMacInt32(p + acclDestRowBytes);
1752	–	uint8 *dest = Mac2HostAddr(ReadMacInt32(p + acclDestBaseAddr) + (dest_Y * dest_row_bytes) + (dest_X * bpp));
1753	–	width *= bpp;
1754	–	switch (bpp) {
1755	–	case 1:
1756	–	for (int i = 0; i < height; i++) {
1757	–	do_invrect<8>(dest, width);
1758	–	dest += dest_row_bytes;
1759	–	}
1760	–	break;
1761	–	case 2:
1762	–	for (int i = 0; i < height; i++) {
1763	–	do_invrect<16>(dest, width);
1764	–	dest += dest_row_bytes;
1765	–	}
1766	–	break;
1767	–	case 4:
1768	–	for (int i = 0; i < height; i++) {
1769	–	do_invrect<32>(dest, width);
1770	–	dest += dest_row_bytes;
1771	–	}
1772	–	break;
1773	–	}
1774	–	}
1775	–
1776	–	// Rectangle filling
1777	–	template< int bpp >
1778	–	static inline void do_fillrect(uint8 *dest, uint32 color, uint32 length)
1779	–	{
1780	–	#define FILL_1(PTR, OFS, VAL) ((uint8  *)(PTR))[OFS] = (VAL)
1781	–	#define FILL_2(PTR, OFS, VAL) ((uint16 *)(PTR))[OFS] = (VAL)
1782	–	#define FILL_4(PTR, OFS, VAL) ((uint32 *)(PTR))[OFS] = (VAL)
1783	–	#define FILL_8(PTR, OFS, VAL) ((uint64 *)(PTR))[OFS] = (VAL)
1784	–
1785	–	#ifndef UNALIGNED_PROFITABLE
1786	–	// Align on 16-bit boundaries
1787	–	if (bpp < 16 && (((uintptr)dest) & 1)) {
1788	–	FILL_1(dest, 0, color);
1789	–	dest += 1; length -= 1;
1790	–	}
1791	–
1792	–	// Align on 32-bit boundaries
1793	–	if (bpp < 32 && (((uintptr)dest) & 2)) {
1794	–	FILL_2(dest, 0, color);
1795	–	dest += 2; length -= 2;
1796	–	}
1797	–	#endif
1798	–
1799	–	// Fill 8-byte words
1800	–	if (length >= 8) {
1801	–	const uint64 c = (((uint64)color) << 32) | color;
1802	–	const int r = (length / 8) % 8;
1803	–	dest += r * 8;
1804	–
1805	–	int n = ((length / 8) + 7) / 8;
1806	–	switch (r) {
1807	–	case 0: do {
1808	–	dest += 64;
1809	–	FILL_8(dest, -8, c);
1810	–	case 7: FILL_8(dest, -7, c);
1811	–	case 6: FILL_8(dest, -6, c);
1812	–	case 5: FILL_8(dest, -5, c);
1813	–	case 4: FILL_8(dest, -4, c);
1814	–	case 3: FILL_8(dest, -3, c);
1815	–	case 2: FILL_8(dest, -2, c);
1816	–	case 1: FILL_8(dest, -1, c);
1817	–	} while (--n > 0);
1818	–	}
1819	–	}
1820	–
1821	–	// 32-bit cell to fill?
1822	–	if (length & 4) {
1823	–	FILL_4(dest, 0, color);
1824	–	if (bpp <= 16)
1825	–	dest += 4;
1826	–	}
1827	–
1828	–	// 16-bit cell to fill?
1829	–	if (bpp <= 16 && (length & 2)) {
1830	–	FILL_2(dest, 0, color);
1831	–	if (bpp <= 8)
1832	–	dest += 2;
1833	–	}
1834	–
1835	–	// 8-bit cell to fill?
1836	–	if (bpp <= 8 && (length & 1))
1837	–	FILL_1(dest, 0, color);
1838	–
1839	–	#undef FILL_1
1840	–	#undef FILL_2
1841	–	#undef FILL_4
1842	–	#undef FILL_8
1843	–	}
1844	–
1845	–	void NQD_fillrect(uint32 p)
1846	–	{
1847	–	D(bug("accl_fillrect %08x\n", p));
1848	–
1849	–	// Get filling parameters
1850	–	int16 dest_X = (int16)ReadMacInt16(p + acclDestRect + 2) - (int16)ReadMacInt16(p + acclDestBoundsRect + 2);
1851	–	int16 dest_Y = (int16)ReadMacInt16(p + acclDestRect + 0) - (int16)ReadMacInt16(p + acclDestBoundsRect + 0);
1852	–	int16 width  = (int16)ReadMacInt16(p + acclDestRect + 6) - (int16)ReadMacInt16(p + acclDestRect + 2);
1853	–	int16 height = (int16)ReadMacInt16(p + acclDestRect + 4) - (int16)ReadMacInt16(p + acclDestRect + 0);
1854	–	uint32 color = htonl(ReadMacInt32(p + acclPenMode) == 8 ? ReadMacInt32(p + acclForePen) : ReadMacInt32(p + acclBackPen));
1855	–	D(bug(" dest X %d, dest Y %d\n", dest_X, dest_Y));
1856	–	D(bug(" width %d, height %d\n", width, height));
1857	–	D(bug(" bytes_per_row %d color %08x\n", (int32)ReadMacInt32(p + acclDestRowBytes), color));
1858	–
1859	–	// And perform the fill
1860	–	const int bpp = bytes_per_pixel(ReadMacInt32(p + acclDestPixelSize));
1861	–	const int dest_row_bytes = (int32)ReadMacInt32(p + acclDestRowBytes);
1862	–	uint8 *dest = Mac2HostAddr(ReadMacInt32(p + acclDestBaseAddr) + (dest_Y * dest_row_bytes) + (dest_X * bpp));
1863	–	width *= bpp;
1864	–	switch (bpp) {
1865	–	case 1:
1866	–	for (int i = 0; i < height; i++) {
1867	–	memset(dest, color, width);
1868	–	dest += dest_row_bytes;
1869	–	}
1870	–	break;
1871	–	case 2:
1872	–	for (int i = 0; i < height; i++) {
1873	–	do_fillrect<16>(dest, color, width);
1874	–	dest += dest_row_bytes;
1875	–	}
1876	–	break;
1877	–	case 4:
1878	–	for (int i = 0; i < height; i++) {
1879	–	do_fillrect<32>(dest, color, width);
1880	–	dest += dest_row_bytes;
1881	–	}
1882	–	break;
1883	–	}
1884	–	}
1885	–
1886	–	bool NQD_fillrect_hook(uint32 p)
1887	–	{
1888	–	D(bug("accl_fillrect_hook %08x\n", p));
1889	–
1890	–	// Check if we can accelerate this fillrect
1891	–	if (ReadMacInt32(p + 0x284) != 0 && ReadMacInt32(p + acclDestPixelSize) >= 8) {
1892	–	const int transfer_mode = ReadMacInt32(p + acclTransferMode);
1893	–	if (transfer_mode == 8) {
1894	–	// Fill
1895	–	WriteMacInt32(p + acclDrawProc, NativeTVECT(NATIVE_FILLRECT));
1896	–	return true;
1897	–	}
1898	–	else if (transfer_mode == 10) {
1899	–	// Invert
1900	–	WriteMacInt32(p + acclDrawProc, NativeTVECT(NATIVE_INVRECT));
1901	–	return true;
1902	–	}
1903	–	}
1904	–	return false;
1905	–	}
1906	–
1907	–	// Rectangle blitting
1908	–	// TODO: optimize for VOSF and target pixmap == screen
1909	–	void NQD_bitblt(uint32 p)
1910	–	{
1911	–	D(bug("accl_bitblt %08x\n", p));
1912	–
1913	–	// Get blitting parameters
1914	–	int16 src_X  = (int16)ReadMacInt16(p + acclSrcRect + 2) - (int16)ReadMacInt16(p + acclSrcBoundsRect + 2);
1915	–	int16 src_Y  = (int16)ReadMacInt16(p + acclSrcRect + 0) - (int16)ReadMacInt16(p + acclSrcBoundsRect + 0);
1916	–	int16 dest_X = (int16)ReadMacInt16(p + acclDestRect + 2) - (int16)ReadMacInt16(p + acclDestBoundsRect + 2);
1917	–	int16 dest_Y = (int16)ReadMacInt16(p + acclDestRect + 0) - (int16)ReadMacInt16(p + acclDestBoundsRect + 0);
1918	–	int16 width  = (int16)ReadMacInt16(p + acclDestRect + 6) - (int16)ReadMacInt16(p + acclDestRect + 2);
1919	–	int16 height = (int16)ReadMacInt16(p + acclDestRect + 4) - (int16)ReadMacInt16(p + acclDestRect + 0);
1920	–	D(bug(" src addr %08x, dest addr %08x\n", ReadMacInt32(p + acclSrcBaseAddr), ReadMacInt32(p + acclDestBaseAddr)));
1921	–	D(bug(" src X %d, src Y %d, dest X %d, dest Y %d\n", src_X, src_Y, dest_X, dest_Y));
1922	–	D(bug(" width %d, height %d\n", width, height));
1923	–
1924	–	// And perform the blit
1925	–	const int bpp = bytes_per_pixel(ReadMacInt32(p + acclSrcPixelSize));
1926	–	width *= bpp;
1927	–	if ((int32)ReadMacInt32(p + acclSrcRowBytes) > 0) {
1928	–	const int src_row_bytes = (int32)ReadMacInt32(p + acclSrcRowBytes);
1929	–	const int dst_row_bytes = (int32)ReadMacInt32(p + acclDestRowBytes);
1930	–	uint8 *src = Mac2HostAddr(ReadMacInt32(p + acclSrcBaseAddr) + (src_Y * src_row_bytes) + (src_X * bpp));
1931	–	uint8 *dst = Mac2HostAddr(ReadMacInt32(p + acclDestBaseAddr) + (dest_Y * dst_row_bytes) + (dest_X * bpp));
1932	–	for (int i = 0; i < height; i++) {
1933	–	memmove(dst, src, width);
1934	–	src += src_row_bytes;
1935	–	dst += dst_row_bytes;
1936	–	}
1937	–	}
1938	–	else {
1939	–	const int src_row_bytes = -(int32)ReadMacInt32(p + acclSrcRowBytes);
1940	–	const int dst_row_bytes = -(int32)ReadMacInt32(p + acclDestRowBytes);
1941	–	uint8 *src = Mac2HostAddr(ReadMacInt32(p + acclSrcBaseAddr) + ((src_Y + height - 1) * src_row_bytes) + (src_X * bpp));
1942	–	uint8 *dst = Mac2HostAddr(ReadMacInt32(p + acclDestBaseAddr) + ((dest_Y + height - 1) * dst_row_bytes) + (dest_X * bpp));
1943	–	for (int i = height - 1; i >= 0; i--) {
1944	–	memmove(dst, src, width);
1945	–	src -= src_row_bytes;
1946	–	dst -= dst_row_bytes;
1947	–	}
1948	–	}
1949	–	}
1950	–
1951	–	/*
1952	–	BitBlt transfer modes:
1953	–	0 : srcCopy
1954	–	1 : srcOr
1955	–	2 : srcXor
1956	–	3 : srcBic
1957	–	4 : notSrcCopy
1958	–	5 : notSrcOr
1959	–	6 : notSrcXor
1960	–	7 : notSrcBic
1961	–	32 : blend
1962	–	33 : addPin
1963	–	34 : addOver
1964	–	35 : subPin
1965	–	36 : transparent
1966	–	37 : adMax
1967	–	38 : subOver
1968	–	39 : adMin
1969	–	50 : hilite
1970	–	*/
1971	–
1972	–	bool NQD_bitblt_hook(uint32 p)
1973	–	{
1974	–	D(bug("accl_draw_hook %08x\n", p));
1975	–
1976	–	// Check if we can accelerate this bitblt
1977	–	if (ReadMacInt32(p + 0x018) + ReadMacInt32(p + 0x128) == 0 &&
1978	–	ReadMacInt32(p + 0x130) == 0 &&
1979	–	ReadMacInt32(p + acclSrcPixelSize) >= 8 &&
1980	–	ReadMacInt32(p + acclSrcPixelSize) == ReadMacInt32(p + acclDestPixelSize) &&
1981	–	(ReadMacInt32(p + acclSrcRowBytes) ^ ReadMacInt32(p + acclDestRowBytes)) >= 0 && // same sign?
1982	–	ReadMacInt32(p + acclTransferMode) == 0 &&                                                                               // srcCopy?
1983	–	ReadMacInt32(p + 0x15c) > 0) {
1984	–
1985	–	// Yes, set function pointer
1986	–	WriteMacInt32(p + acclDrawProc, NativeTVECT(NATIVE_BITBLT));
1987	–	return true;
1988	–	}
1989	–	return false;
1990	–	}
1991	–
1992	–	// Wait for graphics operation to finish
1993	–	bool NQD_sync_hook(uint32 arg)
1994	–	{
1995	–	D(bug("accl_sync_hook %08x\n", arg));
1996	–	return true;
1997	–	}
1998	–
1999	–	void VideoInstallAccel(void)
2000	–	{
2001	–	// Install acceleration hooks
2002	–	if (PrefsFindBool("gfxaccel")) {
2003	–	D(bug("Video: Installing acceleration hooks\n"));
2004	–	uint32 base;
2005	–
2006	–	SheepVar bitblt_hook_info(sizeof(accl_hook_info));
2007	–	base = bitblt_hook_info.addr();
2008	–	WriteMacInt32(base + 0, NativeTVECT(NATIVE_BITBLT_HOOK));
2009	–	WriteMacInt32(base + 4, NativeTVECT(NATIVE_SYNC_HOOK));
2010	–	WriteMacInt32(base + 8, ACCL_BITBLT);
2011	–	NQDMisc(6, bitblt_hook_info.ptr());
2012	–
2013	–	SheepVar fillrect_hook_info(sizeof(accl_hook_info));
2014	–	base = fillrect_hook_info.addr();
2015	–	WriteMacInt32(base + 0, NativeTVECT(NATIVE_FILLRECT_HOOK));
2016	–	WriteMacInt32(base + 4, NativeTVECT(NATIVE_SYNC_HOOK));
2017	–	WriteMacInt32(base + 8, ACCL_FILLRECT);
2018	–	NQDMisc(6, fillrect_hook_info.ptr());
2019	–	}
2020	–	}
2021	–
2022	–
1714		/*
1715		*  Change video mode
1716		*/

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines