SheepShaver/src/gfxaccel.cpp

/*
 *  gfxaccel.cpp - Generic Native QuickDraw acceleration
 *
 *  SheepShaver (C) 1997-2008 Marc Hellwig and Christian Bauer
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "sysdeps.h"

#include "prefs.h"
#include "video.h"
#include "video_defs.h"

#define DEBUG 0
#include "debug.h"


/*
 *      Utility functions
 */

// Return bytes per pixel for requested depth
static inline int bytes_per_pixel(int depth)
{
        int bpp;
        switch (depth) {
        case 8:
                bpp = 1;
                break;
        case 15: case 16:
                bpp = 2;
                break;
        case 24: case 32:
                bpp = 4;
                break;
        default:
                abort();
        }
        return bpp;
}

// Pass-through dirty areas to redraw functions
static inline void NQD_set_dirty_area(uint32 p)
{
        if (ReadMacInt32(p + acclDestBaseAddr) == screen_base) {
                int16 x = (int16)ReadMacInt16(p + acclDestRect + 2) - (int16)ReadMacInt16(p + acclDestBoundsRect + 2);
                int16 y = (int16)ReadMacInt16(p + acclDestRect + 0) - (int16)ReadMacInt16(p + acclDestBoundsRect + 0);
                int16 w  = (int16)ReadMacInt16(p + acclDestRect + 6) - (int16)ReadMacInt16(p + acclDestRect + 2);
                int16 h = (int16)ReadMacInt16(p + acclDestRect + 4) - (int16)ReadMacInt16(p + acclDestRect + 0);
                video_set_dirty_area(x, y, w, h);
        }
}


/*
 *      Rectangle inversion
 */

template< int bpp >
static inline void do_invrect(uint8 *dest, uint32 length)
{
#define INVERT_1(PTR, OFS) ((uint8  *)(PTR))[OFS] = ~((uint8  *)(PTR))[OFS]
#define INVERT_2(PTR, OFS) ((uint16 *)(PTR))[OFS] = ~((uint16 *)(PTR))[OFS]
#define INVERT_4(PTR, OFS) ((uint32 *)(PTR))[OFS] = ~((uint32 *)(PTR))[OFS]
#define INVERT_8(PTR, OFS) ((uint64 *)(PTR))[OFS] = ~((uint64 *)(PTR))[OFS]

#ifndef UNALIGNED_PROFITABLE
        // Align on 16-bit boundaries
        if (bpp < 16 && (((uintptr)dest) & 1)) {
                INVERT_1(dest, 0);
                dest += 1; length -= 1;
        }

        // Align on 32-bit boundaries
        if (bpp < 32 && (((uintptr)dest) & 2)) {
                INVERT_2(dest, 0);
                dest += 2; length -= 2;
        }
#endif

        // Invert 8-byte words
        if (length >= 8) {
                const int r = (length / 8) % 8;
                dest += r * 8;

                int n = ((length / 8) + 7) / 8;
                switch (r) {
                case 0: do {
                                dest += 64;
                                INVERT_8(dest, -8);
                case 7: INVERT_8(dest, -7);
                case 6: INVERT_8(dest, -6);
                case 5: INVERT_8(dest, -5);
                case 4: INVERT_8(dest, -4);
                case 3: INVERT_8(dest, -3);
                case 2: INVERT_8(dest, -2);
                case 1: INVERT_8(dest, -1);
                                } while (--n > 0);
                }
        }

        // 32-bit cell to invert?
        if (length & 4) {
                INVERT_4(dest, 0);
                if (bpp <= 16)
                        dest += 4;
        }

        // 16-bit cell to invert?
        if (bpp <= 16 && (length & 2)) {
                INVERT_2(dest, 0);
                if (bpp <= 8)
                        dest += 2;
        }

        // 8-bit cell to invert?
        if (bpp <= 8 && (length & 1))
                INVERT_1(dest, 0);

#undef INVERT_1
#undef INVERT_2
#undef INVERT_4
#undef INVERT_8
}

void NQD_invrect(uint32 p)
{
        D(bug("accl_invrect %08x\n", p));

        // Get inversion parameters
        int16 dest_X = (int16)ReadMacInt16(p + acclDestRect + 2) - (int16)ReadMacInt16(p + acclDestBoundsRect + 2);
        int16 dest_Y = (int16)ReadMacInt16(p + acclDestRect + 0) - (int16)ReadMacInt16(p + acclDestBoundsRect + 0);
        int16 width  = (int16)ReadMacInt16(p + acclDestRect + 6) - (int16)ReadMacInt16(p + acclDestRect + 2);
        int16 height = (int16)ReadMacInt16(p + acclDestRect + 4) - (int16)ReadMacInt16(p + acclDestRect + 0);
        D(bug(" dest X %d, dest Y %d\n", dest_X, dest_Y));
        D(bug(" width %d, height %d, bytes_per_row %d\n", width, height, (int32)ReadMacInt32(p + acclDestRowBytes)));

        //!!?? pen_mode == 14

        // And perform the inversion
        const int bpp = bytes_per_pixel(ReadMacInt32(p + acclDestPixelSize));
        const int dest_row_bytes = (int32)ReadMacInt32(p + acclDestRowBytes);
        uint8 *dest = Mac2HostAddr(ReadMacInt32(p + acclDestBaseAddr) + (dest_Y * dest_row_bytes) + (dest_X * bpp));
        width *= bpp;
        switch (bpp) {
        case 1:
                for (int i = 0; i < height; i++) {
                        do_invrect<8>(dest, width);
                        dest += dest_row_bytes;
                }
                break;
        case 2:
                for (int i = 0; i < height; i++) {
                        do_invrect<16>(dest, width);
                        dest += dest_row_bytes;
                }
                break;
        case 4:
                for (int i = 0; i < height; i++) {
                        do_invrect<32>(dest, width);
                        dest += dest_row_bytes;
                }
                break;
        }
}


/*
 *      Rectangle filling
 */

template< int bpp >
static inline void do_fillrect(uint8 *dest, uint32 color, uint32 length)
{
#define FILL_1(PTR, OFS, VAL) ((uint8  *)(PTR))[OFS] = (VAL)
#define FILL_2(PTR, OFS, VAL) ((uint16 *)(PTR))[OFS] = (VAL)
#define FILL_4(PTR, OFS, VAL) ((uint32 *)(PTR))[OFS] = (VAL)
#define FILL_8(PTR, OFS, VAL) ((uint64 *)(PTR))[OFS] = (VAL)

#ifndef UNALIGNED_PROFITABLE
        // Align on 16-bit boundaries
        if (bpp < 16 && (((uintptr)dest) & 1)) {
                FILL_1(dest, 0, color);
                dest += 1; length -= 1;
        }

        // Align on 32-bit boundaries
        if (bpp < 32 && (((uintptr)dest) & 2)) {
                FILL_2(dest, 0, color);
                dest += 2; length -= 2;
        }
#endif

        // Fill 8-byte words
        if (length >= 8) {
                const uint64 c = (((uint64)color) << 32) | color;
                const int r = (length / 8) % 8;
                dest += r * 8;

                int n = ((length / 8) + 7) / 8;
                switch (r) {
                case 0: do {
                                dest += 64;
                                FILL_8(dest, -8, c);
                case 7: FILL_8(dest, -7, c);
                case 6: FILL_8(dest, -6, c);
                case 5: FILL_8(dest, -5, c);
                case 4: FILL_8(dest, -4, c);
                case 3: FILL_8(dest, -3, c);
                case 2: FILL_8(dest, -2, c);
                case 1: FILL_8(dest, -1, c);
                                } while (--n > 0);
                }
        }

        // 32-bit cell to fill?
        if (length & 4) {
                FILL_4(dest, 0, color);
                if (bpp <= 16)
                        dest += 4;
        }

        // 16-bit cell to fill?
        if (bpp <= 16 && (length & 2)) {
                FILL_2(dest, 0, color);
                if (bpp <= 8)
                        dest += 2;
        }

        // 8-bit cell to fill?
        if (bpp <= 8 && (length & 1))
                FILL_1(dest, 0, color);

#undef FILL_1
#undef FILL_2
#undef FILL_4
#undef FILL_8
}

void NQD_fillrect(uint32 p)
{
        D(bug("accl_fillrect %08x\n", p));

        // Get filling parameters
        int16 dest_X = (int16)ReadMacInt16(p + acclDestRect + 2) - (int16)ReadMacInt16(p + acclDestBoundsRect + 2);
        int16 dest_Y = (int16)ReadMacInt16(p + acclDestRect + 0) - (int16)ReadMacInt16(p + acclDestBoundsRect + 0);
        int16 width  = (int16)ReadMacInt16(p + acclDestRect + 6) - (int16)ReadMacInt16(p + acclDestRect + 2);
        int16 height = (int16)ReadMacInt16(p + acclDestRect + 4) - (int16)ReadMacInt16(p + acclDestRect + 0);
        uint32 color = htonl(ReadMacInt32(p + acclPenMode) == 8 ? ReadMacInt32(p + acclForePen) : ReadMacInt32(p + acclBackPen));
        D(bug(" dest X %d, dest Y %d\n", dest_X, dest_Y));
        D(bug(" width %d, height %d\n", width, height));
        D(bug(" bytes_per_row %d color %08x\n", (int32)ReadMacInt32(p + acclDestRowBytes), color));

        // And perform the fill
        const int bpp = bytes_per_pixel(ReadMacInt32(p + acclDestPixelSize));
        const int dest_row_bytes = (int32)ReadMacInt32(p + acclDestRowBytes);
        uint8 *dest = Mac2HostAddr(ReadMacInt32(p + acclDestBaseAddr) + (dest_Y * dest_row_bytes) + (dest_X * bpp));
        width *= bpp;
        switch (bpp) {
        case 1:
                for (int i = 0; i < height; i++) {
                        memset(dest, color, width);
                        dest += dest_row_bytes;
                }
                break;
        case 2:
                for (int i = 0; i < height; i++) {
                        do_fillrect<16>(dest, color, width);
                        dest += dest_row_bytes;
                }
                break;
        case 4:
                for (int i = 0; i < height; i++) {
                        do_fillrect<32>(dest, color, width);
                        dest += dest_row_bytes;
                }
                break;
        }
}

bool NQD_fillrect_hook(uint32 p)
{
        D(bug("accl_fillrect_hook %08x\n", p));
        NQD_set_dirty_area(p);

        // Check if we can accelerate this fillrect
        if (ReadMacInt32(p + 0x284) != 0 && ReadMacInt32(p + acclDestPixelSize) >= 8) {
                const int transfer_mode = ReadMacInt32(p + acclTransferMode);
                if (transfer_mode == 8) {
                        // Fill
                        WriteMacInt32(p + acclDrawProc, NativeTVECT(NATIVE_NQD_FILLRECT));
                        return true;
                }
                else if (transfer_mode == 10) {
                        // Invert
                        WriteMacInt32(p + acclDrawProc, NativeTVECT(NATIVE_NQD_INVRECT));
                        return true;
                }
        }
        return false;
}


/*
 *      Isomorphic rectangle blitting
 */

void NQD_bitblt(uint32 p)
{
        D(bug("accl_bitblt %08x\n", p));

        // Get blitting parameters
        int16 src_X  = (int16)ReadMacInt16(p + acclSrcRect + 2) - (int16)ReadMacInt16(p + acclSrcBoundsRect + 2);
        int16 src_Y  = (int16)ReadMacInt16(p + acclSrcRect + 0) - (int16)ReadMacInt16(p + acclSrcBoundsRect + 0);
        int16 dest_X = (int16)ReadMacInt16(p + acclDestRect + 2) - (int16)ReadMacInt16(p + acclDestBoundsRect + 2);
        int16 dest_Y = (int16)ReadMacInt16(p + acclDestRect + 0) - (int16)ReadMacInt16(p + acclDestBoundsRect + 0);
        int16 width  = (int16)ReadMacInt16(p + acclDestRect + 6) - (int16)ReadMacInt16(p + acclDestRect + 2);
        int16 height = (int16)ReadMacInt16(p + acclDestRect + 4) - (int16)ReadMacInt16(p + acclDestRect + 0);
        D(bug(" src addr %08x, dest addr %08x\n", ReadMacInt32(p + acclSrcBaseAddr), ReadMacInt32(p + acclDestBaseAddr)));
        D(bug(" src X %d, src Y %d, dest X %d, dest Y %d\n", src_X, src_Y, dest_X, dest_Y));
        D(bug(" width %d, height %d\n", width, height));

        // And perform the blit
        const int bpp = bytes_per_pixel(ReadMacInt32(p + acclSrcPixelSize));
        width *= bpp;
        if ((int32)ReadMacInt32(p + acclSrcRowBytes) > 0) {
                const int src_row_bytes = (int32)ReadMacInt32(p + acclSrcRowBytes);
                const int dst_row_bytes = (int32)ReadMacInt32(p + acclDestRowBytes);
                uint8 *src = Mac2HostAddr(ReadMacInt32(p + acclSrcBaseAddr) + (src_Y * src_row_bytes) + (src_X * bpp));
                uint8 *dst = Mac2HostAddr(ReadMacInt32(p + acclDestBaseAddr) + (dest_Y * dst_row_bytes) + (dest_X * bpp));
                for (int i = 0; i < height; i++) {
                        memmove(dst, src, width);
                        src += src_row_bytes;
                        dst += dst_row_bytes;
                }
        }
        else {
                const int src_row_bytes = -(int32)ReadMacInt32(p + acclSrcRowBytes);
                const int dst_row_bytes = -(int32)ReadMacInt32(p + acclDestRowBytes);
                uint8 *src = Mac2HostAddr(ReadMacInt32(p + acclSrcBaseAddr) + ((src_Y + height - 1) * src_row_bytes) + (src_X * bpp));
                uint8 *dst = Mac2HostAddr(ReadMacInt32(p + acclDestBaseAddr) + ((dest_Y + height - 1) * dst_row_bytes) + (dest_X * bpp));
                for (int i = height - 1; i >= 0; i--) {
                        memmove(dst, src, width);
                        src -= src_row_bytes;
                        dst -= dst_row_bytes;
                }
        }
}

/*
  BitBlt transfer modes:
  0 : srcCopy
  1 : srcOr
  2 : srcXor
  3 : srcBic
  4 : notSrcCopy
  5 : notSrcOr
  6 : notSrcXor
  7 : notSrcBic
  32 : blend
  33 : addPin
  34 : addOver
  35 : subPin
  36 : transparent
  37 : adMax
  38 : subOver
  39 : adMin
  50 : hilite
*/

bool NQD_bitblt_hook(uint32 p)
{
        D(bug("accl_draw_hook %08x\n", p));
        NQD_set_dirty_area(p);

        // Check if we can accelerate this bitblt
        if (ReadMacInt32(p + 0x018) + ReadMacInt32(p + 0x128) == 0 &&
                ReadMacInt32(p + 0x130) == 0 &&
                ReadMacInt32(p + acclSrcPixelSize) >= 8 &&
                ReadMacInt32(p + acclSrcPixelSize) == ReadMacInt32(p + acclDestPixelSize) &&
                (int32)(ReadMacInt32(p + acclSrcRowBytes) ^ ReadMacInt32(p + acclDestRowBytes)) >= 0 && // same sign?
                ReadMacInt32(p + acclTransferMode) == 0 &&                                                                                              // srcCopy?
                (int32)ReadMacInt32(p + 0x15c) > 0) {

                // Yes, set function pointer
                WriteMacInt32(p + acclDrawProc, NativeTVECT(NATIVE_NQD_BITBLT));
                return true;
        }
        return false;
}

// Unknown hook
bool NQD_unknown_hook(uint32 arg)
{
        D(bug("accl_unknown_hook %08x\n", arg));
        NQD_set_dirty_area(arg);

        return false;
}

// Wait for graphics operation to finish
bool NQD_sync_hook(uint32 arg)
{
        D(bug("accl_sync_hook %08x\n", arg));
        return true;
}


/*
 *      Install Native QuickDraw acceleration hooks
 */

void VideoInstallAccel(void)
{
        // Install acceleration hooks
        if (PrefsFindBool("gfxaccel")) {
                D(bug("Video: Installing acceleration hooks\n"));
                uint32 base;

                SheepVar bitblt_hook_info(sizeof(accl_hook_info));
                base = bitblt_hook_info.addr();
                WriteMacInt32(base + 0, NativeTVECT(NATIVE_NQD_BITBLT_HOOK));
                WriteMacInt32(base + 4, NativeTVECT(NATIVE_NQD_SYNC_HOOK));
                WriteMacInt32(base + 8, ACCL_BITBLT);
                NQDMisc(6, bitblt_hook_info.addr());

                SheepVar fillrect_hook_info(sizeof(accl_hook_info));
                base = fillrect_hook_info.addr();
                WriteMacInt32(base + 0, NativeTVECT(NATIVE_NQD_FILLRECT_HOOK));
                WriteMacInt32(base + 4, NativeTVECT(NATIVE_NQD_SYNC_HOOK));
                WriteMacInt32(base + 8, ACCL_FILLRECT);
                NQDMisc(6, fillrect_hook_info.addr());

                for (int op = 0; op < 8; op++) {
                        switch (op) {
                        case ACCL_BITBLT:
                        case ACCL_FILLRECT:
                                continue;
                        }
                        SheepVar unknown_hook_info(sizeof(accl_hook_info));
                        base = unknown_hook_info.addr();
                        WriteMacInt32(base + 0, NativeTVECT(NATIVE_NQD_UNKNOWN_HOOK));
                        WriteMacInt32(base + 4, NativeTVECT(NATIVE_NQD_SYNC_HOOK));
                        WriteMacInt32(base + 8, op);
                        NQDMisc(6, unknown_hook_info.addr());
                }
        }
}
1	/*
2	* gfxaccel.cpp - Generic Native QuickDraw acceleration
3	*
4	* SheepShaver (C) 1997-2008 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
8	* the Free Software Foundation; either version 2 of the License, or
9	* (at your option) any later version.
10	*
11	* This program is distributed in the hope that it will be useful,
12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	* GNU General Public License for more details.
15	*
16	* You should have received a copy of the GNU General Public License
17	* along with this program; if not, write to the Free Software
18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19	*/
20
21	#include "sysdeps.h"
22
23	#include "prefs.h"
24	#include "video.h"
25	#include "video_defs.h"
26
27	#define DEBUG 0
28	#include "debug.h"
29
30
31	/*
32	* Utility functions
33	*/
34
35	// Return bytes per pixel for requested depth
36	static inline int bytes_per_pixel(int depth)
37	{
38	int bpp;
39	switch (depth) {
40	case 8:
41	bpp = 1;
42	break;
43	case 15: case 16:
44	bpp = 2;
45	break;
46	case 24: case 32:
47	bpp = 4;
48	break;
49	default:
50	abort();
51	}
52	return bpp;
53	}
54
55	// Pass-through dirty areas to redraw functions
56	static inline void NQD_set_dirty_area(uint32 p)
57	{
58	if (ReadMacInt32(p + acclDestBaseAddr) == screen_base) {
59	int16 x = (int16)ReadMacInt16(p + acclDestRect + 2) - (int16)ReadMacInt16(p + acclDestBoundsRect + 2);
60	int16 y = (int16)ReadMacInt16(p + acclDestRect + 0) - (int16)ReadMacInt16(p + acclDestBoundsRect + 0);
61	int16 w = (int16)ReadMacInt16(p + acclDestRect + 6) - (int16)ReadMacInt16(p + acclDestRect + 2);
62	int16 h = (int16)ReadMacInt16(p + acclDestRect + 4) - (int16)ReadMacInt16(p + acclDestRect + 0);
63	video_set_dirty_area(x, y, w, h);
64	}
65	}
66
67
68	/*
69	* Rectangle inversion
70	*/
71
72	template< int bpp >
73	static inline void do_invrect(uint8 *dest, uint32 length)
74	{
75	#define INVERT_1(PTR, OFS) ((uint8 )(PTR))[OFS] = ~((uint8 )(PTR))[OFS]
76	#define INVERT_2(PTR, OFS) ((uint16 )(PTR))[OFS] = ~((uint16 )(PTR))[OFS]
77	#define INVERT_4(PTR, OFS) ((uint32 )(PTR))[OFS] = ~((uint32 )(PTR))[OFS]
78	#define INVERT_8(PTR, OFS) ((uint64 )(PTR))[OFS] = ~((uint64 )(PTR))[OFS]
79
80	#ifndef UNALIGNED_PROFITABLE
81	// Align on 16-bit boundaries
82	if (bpp < 16 && (((uintptr)dest) & 1)) {
83	INVERT_1(dest, 0);
84	dest += 1; length -= 1;
85	}
86
87	// Align on 32-bit boundaries
88	if (bpp < 32 && (((uintptr)dest) & 2)) {
89	INVERT_2(dest, 0);
90	dest += 2; length -= 2;
91	}
92	#endif
93
94	// Invert 8-byte words
95	if (length >= 8) {
96	const int r = (length / 8) % 8;
97	dest += r * 8;
98
99	int n = ((length / 8) + 7) / 8;
100	switch (r) {
101	case 0: do {
102	dest += 64;
103	INVERT_8(dest, -8);
104	case 7: INVERT_8(dest, -7);
105	case 6: INVERT_8(dest, -6);
106	case 5: INVERT_8(dest, -5);
107	case 4: INVERT_8(dest, -4);
108	case 3: INVERT_8(dest, -3);
109	case 2: INVERT_8(dest, -2);
110	case 1: INVERT_8(dest, -1);
111	} while (--n > 0);
112	}
113	}
114
115	// 32-bit cell to invert?
116	if (length & 4) {
117	INVERT_4(dest, 0);
118	if (bpp <= 16)
119	dest += 4;
120	}
121
122	// 16-bit cell to invert?
123	if (bpp <= 16 && (length & 2)) {
124	INVERT_2(dest, 0);
125	if (bpp <= 8)
126	dest += 2;
127	}
128
129	// 8-bit cell to invert?
130	if (bpp <= 8 && (length & 1))
131	INVERT_1(dest, 0);
132
133	#undef INVERT_1
134	#undef INVERT_2
135	#undef INVERT_4
136	#undef INVERT_8
137	}
138
139	void NQD_invrect(uint32 p)
140	{
141	D(bug("accl_invrect %08x\n", p));
142
143	// Get inversion parameters
144	int16 dest_X = (int16)ReadMacInt16(p + acclDestRect + 2) - (int16)ReadMacInt16(p + acclDestBoundsRect + 2);
145	int16 dest_Y = (int16)ReadMacInt16(p + acclDestRect + 0) - (int16)ReadMacInt16(p + acclDestBoundsRect + 0);
146	int16 width = (int16)ReadMacInt16(p + acclDestRect + 6) - (int16)ReadMacInt16(p + acclDestRect + 2);
147	int16 height = (int16)ReadMacInt16(p + acclDestRect + 4) - (int16)ReadMacInt16(p + acclDestRect + 0);
148	D(bug(" dest X %d, dest Y %d\n", dest_X, dest_Y));
149	D(bug(" width %d, height %d, bytes_per_row %d\n", width, height, (int32)ReadMacInt32(p + acclDestRowBytes)));
150
151	//!!?? pen_mode == 14
152
153	// And perform the inversion
154	const int bpp = bytes_per_pixel(ReadMacInt32(p + acclDestPixelSize));
155	const int dest_row_bytes = (int32)ReadMacInt32(p + acclDestRowBytes);
156	uint8 dest = Mac2HostAddr(ReadMacInt32(p + acclDestBaseAddr) + (dest_Y dest_row_bytes) + (dest_X * bpp));
157	width *= bpp;
158	switch (bpp) {
159	case 1:
160	for (int i = 0; i < height; i++) {
161	do_invrect<8>(dest, width);
162	dest += dest_row_bytes;
163	}
164	break;
165	case 2:
166	for (int i = 0; i < height; i++) {
167	do_invrect<16>(dest, width);
168	dest += dest_row_bytes;
169	}
170	break;
171	case 4:
172	for (int i = 0; i < height; i++) {
173	do_invrect<32>(dest, width);
174	dest += dest_row_bytes;
175	}
176	break;
177	}
178	}
179
180
181	/*
182	* Rectangle filling
183	*/
184
185	template< int bpp >
186	static inline void do_fillrect(uint8 *dest, uint32 color, uint32 length)
187	{
188	#define FILL_1(PTR, OFS, VAL) ((uint8 *)(PTR))[OFS] = (VAL)
189	#define FILL_2(PTR, OFS, VAL) ((uint16 *)(PTR))[OFS] = (VAL)
190	#define FILL_4(PTR, OFS, VAL) ((uint32 *)(PTR))[OFS] = (VAL)
191	#define FILL_8(PTR, OFS, VAL) ((uint64 *)(PTR))[OFS] = (VAL)
192
193	#ifndef UNALIGNED_PROFITABLE
194	// Align on 16-bit boundaries
195	if (bpp < 16 && (((uintptr)dest) & 1)) {
196	FILL_1(dest, 0, color);
197	dest += 1; length -= 1;
198	}
199
200	// Align on 32-bit boundaries
201	if (bpp < 32 && (((uintptr)dest) & 2)) {
202	FILL_2(dest, 0, color);
203	dest += 2; length -= 2;
204	}
205	#endif
206
207	// Fill 8-byte words
208	if (length >= 8) {
209	const uint64 c = (((uint64)color) << 32) \| color;
210	const int r = (length / 8) % 8;
211	dest += r * 8;
212
213	int n = ((length / 8) + 7) / 8;
214	switch (r) {
215	case 0: do {
216	dest += 64;
217	FILL_8(dest, -8, c);
218	case 7: FILL_8(dest, -7, c);
219	case 6: FILL_8(dest, -6, c);
220	case 5: FILL_8(dest, -5, c);
221	case 4: FILL_8(dest, -4, c);
222	case 3: FILL_8(dest, -3, c);
223	case 2: FILL_8(dest, -2, c);
224	case 1: FILL_8(dest, -1, c);
225	} while (--n > 0);
226	}
227	}
228
229	// 32-bit cell to fill?
230	if (length & 4) {
231	FILL_4(dest, 0, color);
232	if (bpp <= 16)
233	dest += 4;
234	}
235
236	// 16-bit cell to fill?
237	if (bpp <= 16 && (length & 2)) {
238	FILL_2(dest, 0, color);
239	if (bpp <= 8)
240	dest += 2;
241	}
242
243	// 8-bit cell to fill?
244	if (bpp <= 8 && (length & 1))
245	FILL_1(dest, 0, color);
246
247	#undef FILL_1
248	#undef FILL_2
249	#undef FILL_4
250	#undef FILL_8
251	}
252
253	void NQD_fillrect(uint32 p)
254	{
255	D(bug("accl_fillrect %08x\n", p));
256
257	// Get filling parameters
258	int16 dest_X = (int16)ReadMacInt16(p + acclDestRect + 2) - (int16)ReadMacInt16(p + acclDestBoundsRect + 2);
259	int16 dest_Y = (int16)ReadMacInt16(p + acclDestRect + 0) - (int16)ReadMacInt16(p + acclDestBoundsRect + 0);
260	int16 width = (int16)ReadMacInt16(p + acclDestRect + 6) - (int16)ReadMacInt16(p + acclDestRect + 2);
261	int16 height = (int16)ReadMacInt16(p + acclDestRect + 4) - (int16)ReadMacInt16(p + acclDestRect + 0);
262	uint32 color = htonl(ReadMacInt32(p + acclPenMode) == 8 ? ReadMacInt32(p + acclForePen) : ReadMacInt32(p + acclBackPen));
263	D(bug(" dest X %d, dest Y %d\n", dest_X, dest_Y));
264	D(bug(" width %d, height %d\n", width, height));
265	D(bug(" bytes_per_row %d color %08x\n", (int32)ReadMacInt32(p + acclDestRowBytes), color));
266
267	// And perform the fill
268	const int bpp = bytes_per_pixel(ReadMacInt32(p + acclDestPixelSize));
269	const int dest_row_bytes = (int32)ReadMacInt32(p + acclDestRowBytes);
270	uint8 dest = Mac2HostAddr(ReadMacInt32(p + acclDestBaseAddr) + (dest_Y dest_row_bytes) + (dest_X * bpp));
271	width *= bpp;
272	switch (bpp) {
273	case 1:
274	for (int i = 0; i < height; i++) {
275	memset(dest, color, width);
276	dest += dest_row_bytes;
277	}
278	break;
279	case 2:
280	for (int i = 0; i < height; i++) {
281	do_fillrect<16>(dest, color, width);
282	dest += dest_row_bytes;
283	}
284	break;
285	case 4:
286	for (int i = 0; i < height; i++) {
287	do_fillrect<32>(dest, color, width);
288	dest += dest_row_bytes;
289	}
290	break;
291	}
292	}
293
294	bool NQD_fillrect_hook(uint32 p)
295	{
296	D(bug("accl_fillrect_hook %08x\n", p));
297	NQD_set_dirty_area(p);
298
299	// Check if we can accelerate this fillrect
300	if (ReadMacInt32(p + 0x284) != 0 && ReadMacInt32(p + acclDestPixelSize) >= 8) {
301	const int transfer_mode = ReadMacInt32(p + acclTransferMode);
302	if (transfer_mode == 8) {
303	// Fill
304	WriteMacInt32(p + acclDrawProc, NativeTVECT(NATIVE_NQD_FILLRECT));
305	return true;
306	}
307	else if (transfer_mode == 10) {
308	// Invert
309	WriteMacInt32(p + acclDrawProc, NativeTVECT(NATIVE_NQD_INVRECT));
310	return true;
311	}
312	}
313	return false;
314	}
315
316
317	/*
318	* Isomorphic rectangle blitting
319	*/
320
321	void NQD_bitblt(uint32 p)
322	{
323	D(bug("accl_bitblt %08x\n", p));
324
325	// Get blitting parameters
326	int16 src_X = (int16)ReadMacInt16(p + acclSrcRect + 2) - (int16)ReadMacInt16(p + acclSrcBoundsRect + 2);
327	int16 src_Y = (int16)ReadMacInt16(p + acclSrcRect + 0) - (int16)ReadMacInt16(p + acclSrcBoundsRect + 0);
328	int16 dest_X = (int16)ReadMacInt16(p + acclDestRect + 2) - (int16)ReadMacInt16(p + acclDestBoundsRect + 2);
329	int16 dest_Y = (int16)ReadMacInt16(p + acclDestRect + 0) - (int16)ReadMacInt16(p + acclDestBoundsRect + 0);
330	int16 width = (int16)ReadMacInt16(p + acclDestRect + 6) - (int16)ReadMacInt16(p + acclDestRect + 2);
331	int16 height = (int16)ReadMacInt16(p + acclDestRect + 4) - (int16)ReadMacInt16(p + acclDestRect + 0);
332	D(bug(" src addr %08x, dest addr %08x\n", ReadMacInt32(p + acclSrcBaseAddr), ReadMacInt32(p + acclDestBaseAddr)));
333	D(bug(" src X %d, src Y %d, dest X %d, dest Y %d\n", src_X, src_Y, dest_X, dest_Y));
334	D(bug(" width %d, height %d\n", width, height));
335
336	// And perform the blit
337	const int bpp = bytes_per_pixel(ReadMacInt32(p + acclSrcPixelSize));
338	width *= bpp;
339	if ((int32)ReadMacInt32(p + acclSrcRowBytes) > 0) {
340	const int src_row_bytes = (int32)ReadMacInt32(p + acclSrcRowBytes);
341	const int dst_row_bytes = (int32)ReadMacInt32(p + acclDestRowBytes);
342	uint8 src = Mac2HostAddr(ReadMacInt32(p + acclSrcBaseAddr) + (src_Y src_row_bytes) + (src_X * bpp));
343	uint8 dst = Mac2HostAddr(ReadMacInt32(p + acclDestBaseAddr) + (dest_Y dst_row_bytes) + (dest_X * bpp));
344	for (int i = 0; i < height; i++) {
345	memmove(dst, src, width);
346	src += src_row_bytes;
347	dst += dst_row_bytes;
348	}
349	}
350	else {
351	const int src_row_bytes = -(int32)ReadMacInt32(p + acclSrcRowBytes);
352	const int dst_row_bytes = -(int32)ReadMacInt32(p + acclDestRowBytes);
353	uint8 src = Mac2HostAddr(ReadMacInt32(p + acclSrcBaseAddr) + ((src_Y + height - 1) src_row_bytes) + (src_X * bpp));
354	uint8 dst = Mac2HostAddr(ReadMacInt32(p + acclDestBaseAddr) + ((dest_Y + height - 1) dst_row_bytes) + (dest_X * bpp));
355	for (int i = height - 1; i >= 0; i--) {
356	memmove(dst, src, width);
357	src -= src_row_bytes;
358	dst -= dst_row_bytes;
359	}
360	}
361	}
362
363	/*
364	BitBlt transfer modes:
365	0 : srcCopy
366	1 : srcOr
367	2 : srcXor
368	3 : srcBic
369	4 : notSrcCopy
370	5 : notSrcOr
371	6 : notSrcXor
372	7 : notSrcBic
373	32 : blend
374	33 : addPin
375	34 : addOver
376	35 : subPin
377	36 : transparent
378	37 : adMax
379	38 : subOver
380	39 : adMin
381	50 : hilite
382	*/
383
384	bool NQD_bitblt_hook(uint32 p)
385	{
386	D(bug("accl_draw_hook %08x\n", p));
387	NQD_set_dirty_area(p);
388
389	// Check if we can accelerate this bitblt
390	if (ReadMacInt32(p + 0x018) + ReadMacInt32(p + 0x128) == 0 &&
391	ReadMacInt32(p + 0x130) == 0 &&
392	ReadMacInt32(p + acclSrcPixelSize) >= 8 &&
393	ReadMacInt32(p + acclSrcPixelSize) == ReadMacInt32(p + acclDestPixelSize) &&
394	(int32)(ReadMacInt32(p + acclSrcRowBytes) ^ ReadMacInt32(p + acclDestRowBytes)) >= 0 && // same sign?
395	ReadMacInt32(p + acclTransferMode) == 0 && // srcCopy?
396	(int32)ReadMacInt32(p + 0x15c) > 0) {
397
398	// Yes, set function pointer
399	WriteMacInt32(p + acclDrawProc, NativeTVECT(NATIVE_NQD_BITBLT));
400	return true;
401	}
402	return false;
403	}
404
405	// Unknown hook
406	bool NQD_unknown_hook(uint32 arg)
407	{
408	D(bug("accl_unknown_hook %08x\n", arg));
409	NQD_set_dirty_area(arg);
410
411	return false;
412	}
413
414	// Wait for graphics operation to finish
415	bool NQD_sync_hook(uint32 arg)
416	{
417	D(bug("accl_sync_hook %08x\n", arg));
418	return true;
419	}
420
421
422	/*
423	* Install Native QuickDraw acceleration hooks
424	*/
425
426	void VideoInstallAccel(void)
427	{
428	// Install acceleration hooks
429	if (PrefsFindBool("gfxaccel")) {
430	D(bug("Video: Installing acceleration hooks\n"));
431	uint32 base;
432
433	SheepVar bitblt_hook_info(sizeof(accl_hook_info));
434	base = bitblt_hook_info.addr();
435	WriteMacInt32(base + 0, NativeTVECT(NATIVE_NQD_BITBLT_HOOK));
436	WriteMacInt32(base + 4, NativeTVECT(NATIVE_NQD_SYNC_HOOK));
437	WriteMacInt32(base + 8, ACCL_BITBLT);
438	NQDMisc(6, bitblt_hook_info.addr());
439
440	SheepVar fillrect_hook_info(sizeof(accl_hook_info));
441	base = fillrect_hook_info.addr();
442	WriteMacInt32(base + 0, NativeTVECT(NATIVE_NQD_FILLRECT_HOOK));
443	WriteMacInt32(base + 4, NativeTVECT(NATIVE_NQD_SYNC_HOOK));
444	WriteMacInt32(base + 8, ACCL_FILLRECT);
445	NQDMisc(6, fillrect_hook_info.addr());
446
447	for (int op = 0; op < 8; op++) {
448	switch (op) {
449	case ACCL_BITBLT:
450	case ACCL_FILLRECT:
451	continue;
452	}
453	SheepVar unknown_hook_info(sizeof(accl_hook_info));
454	base = unknown_hook_info.addr();
455	WriteMacInt32(base + 0, NativeTVECT(NATIVE_NQD_UNKNOWN_HOOK));
456	WriteMacInt32(base + 4, NativeTVECT(NATIVE_NQD_SYNC_HOOK));
457	WriteMacInt32(base + 8, op);
458	NQDMisc(6, unknown_hook_info.addr());
459	}
460	}
461	}
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