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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 1.32 by gbeauche, 2004-07-02T06:06:34Z

#	Line 1661 | Line 1661 | void VideoVBL(void)
1661
1662
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	–
2023	–	/*
1664		*  Change video mode
1665		*/
1666

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