visualboyadvance-m/src/admame.cpp

1011 lines
29 KiB
C++

/*
* This file is part of the Advance project.
*
* Copyright (C) 1999-2002 Andrea Mazzoleni
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* In addition, as a special exception, Andrea Mazzoleni
* gives permission to link the code of this program with
* the MAME library (or with modified versions of MAME that use the
* same license as MAME), and distribute linked combinations including
* the two. You must obey the GNU General Public License in all
* respects for all of the code used other than MAME. If you modify
* this file, you may extend this exception to your version of the
* file, but you are not obligated to do so. If you do not wish to
* do so, delete this exception statement from your version.
*/
/*
* Alternatively at the previous license terms, you are allowed to use this
* code in your program with these conditions:
* - the program is not used in commercial activities.
* - the whole source code of the program is released with the binary.
*/
#include "System.h"
#ifdef MMX
extern "C" bool cpu_mmx;
#endif
static void internal_scale2x_16_def(u16 *dst, const u16* src0, const u16* src1, const u16* src2, unsigned count) {
/* first pixel */
dst[0] = src1[0];
if (src1[1] == src0[0] && src2[0] != src0[0])
dst[1] = src0[0];
else
dst[1] = src1[0];
++src0;
++src1;
++src2;
dst += 2;
/* central pixels */
count -= 2;
while (count) {
if (src0[0] != src2[0] && src1[-1] != src1[1]) {
dst[0] = src1[-1] == src0[0] ? src0[0] : src1[0];
dst[1] = src1[1] == src0[0] ? src0[0] : src1[0];
} else {
dst[0] = src1[0];
dst[1] = src1[0];
}
++src0;
++src1;
++src2;
dst += 2;
--count;
}
/* last pixel */
if (src1[-1] == src0[0] && src2[0] != src0[0])
dst[0] = src0[0];
else
dst[0] = src1[0];
dst[1] = src1[0];
}
static void internal_scale2x_32_def(u32* dst,
const u32* src0,
const u32* src1,
const u32* src2,
unsigned count)
{
/* first pixel */
dst[0] = src1[0];
if (src1[1] == src0[0] && src2[0] != src0[0])
dst[1] = src0[0];
else
dst[1] = src1[0];
++src0;
++src1;
++src2;
dst += 2;
/* central pixels */
count -= 2;
while (count) {
if (src0[0] != src2[0] && src1[-1] != src1[1]) {
dst[0] = src1[-1] == src0[0] ? src0[0] : src1[0];
dst[1] = src1[1] == src0[0] ? src0[0] : src1[0];
} else {
dst[0] = src1[0];
dst[1] = src1[0];
}
++src0;
++src1;
++src2;
dst += 2;
--count;
}
/* last pixel */
if (src1[-1] == src0[0] && src2[0] != src0[0])
dst[0] = src0[0];
else
dst[0] = src1[0];
dst[1] = src1[0];
}
#ifdef MMX
static void internal_scale2x_16_mmx_single(u16* dst, const u16* src0, const u16* src1, const u16* src2, unsigned count) {
/* always do the first and last run */
count -= 2*4;
#ifdef __GNUC__
__asm__ __volatile__(
/* first run */
/* set the current, current_pre, current_next registers */
"movq 0(%1), %%mm0\n"
"movq 0(%1),%%mm7\n"
"movq 8(%1),%%mm1\n"
"psllq $48,%%mm0\n"
"psllq $48,%%mm1\n"
"psrlq $48, %%mm0\n"
"movq %%mm7,%%mm2\n"
"movq %%mm7,%%mm3\n"
"psllq $16,%%mm2\n"
"psrlq $16,%%mm3\n"
"por %%mm2,%%mm0\n"
"por %%mm3,%%mm1\n"
/* current_upper */
"movq (%0),%%mm6\n"
/* compute the upper-left pixel for dst on %%mm2 */
/* compute the upper-right pixel for dst on %%mm4 */
"movq %%mm0,%%mm2\n"
"movq %%mm1,%%mm4\n"
"movq %%mm0,%%mm3\n"
"movq %%mm1,%%mm5\n"
"pcmpeqw %%mm6,%%mm2\n"
"pcmpeqw %%mm6,%%mm4\n"
"pcmpeqw (%2),%%mm3\n"
"pcmpeqw (%2),%%mm5\n"
"pandn %%mm2,%%mm3\n"
"pandn %%mm4,%%mm5\n"
"movq %%mm0,%%mm2\n"
"movq %%mm1,%%mm4\n"
"pcmpeqw %%mm1,%%mm2\n"
"pcmpeqw %%mm0,%%mm4\n"
"pandn %%mm3,%%mm2\n"
"pandn %%mm5,%%mm4\n"
"movq %%mm2,%%mm3\n"
"movq %%mm4,%%mm5\n"
"pand %%mm6,%%mm2\n"
"pand %%mm6,%%mm4\n"
"pandn %%mm7,%%mm3\n"
"pandn %%mm7,%%mm5\n"
"por %%mm3,%%mm2\n"
"por %%mm5,%%mm4\n"
/* set *dst */
"movq %%mm2,%%mm3\n"
"punpcklwd %%mm4,%%mm2\n"
"punpckhwd %%mm4,%%mm3\n"
"movq %%mm2,(%3)\n"
"movq %%mm3,8(%3)\n"
/* next */
"addl $8,%0\n"
"addl $8,%1\n"
"addl $8,%2\n"
"addl $16,%3\n"
/* central runs */
"shrl $2,%4\n"
"jz 1f\n"
"0:\n"
/* set the current, current_pre, current_next registers */
"movq -8(%1),%%mm0\n"
"movq (%1),%%mm7\n"
"movq 8(%1),%%mm1\n"
"psrlq $48,%%mm0\n"
"psllq $48,%%mm1\n"
"movq %%mm7,%%mm2\n"
"movq %%mm7,%%mm3\n"
"psllq $16,%%mm2\n"
"psrlq $16,%%mm3\n"
"por %%mm2,%%mm0\n"
"por %%mm3,%%mm1\n"
/* current_upper */
"movq (%0),%%mm6\n"
/* compute the upper-left pixel for dst on %%mm2 */
/* compute the upper-right pixel for dst on %%mm4 */
"movq %%mm0,%%mm2\n"
"movq %%mm1,%%mm4\n"
"movq %%mm0,%%mm3\n"
"movq %%mm1,%%mm5\n"
"pcmpeqw %%mm6,%%mm2\n"
"pcmpeqw %%mm6,%%mm4\n"
"pcmpeqw (%2),%%mm3\n"
"pcmpeqw (%2),%%mm5\n"
"pandn %%mm2,%%mm3\n"
"pandn %%mm4,%%mm5\n"
"movq %%mm0,%%mm2\n"
"movq %%mm1,%%mm4\n"
"pcmpeqw %%mm1,%%mm2\n"
"pcmpeqw %%mm0,%%mm4\n"
"pandn %%mm3,%%mm2\n"
"pandn %%mm5,%%mm4\n"
"movq %%mm2,%%mm3\n"
"movq %%mm4,%%mm5\n"
"pand %%mm6,%%mm2\n"
"pand %%mm6,%%mm4\n"
"pandn %%mm7,%%mm3\n"
"pandn %%mm7,%%mm5\n"
"por %%mm3,%%mm2\n"
"por %%mm5,%%mm4\n"
/* set *dst */
"movq %%mm2,%%mm3\n"
"punpcklwd %%mm4,%%mm2\n"
"punpckhwd %%mm4,%%mm3\n"
"movq %%mm2,(%3)\n"
"movq %%mm3,8(%3)\n"
/* next */
"addl $8,%0\n"
"addl $8,%1\n"
"addl $8,%2\n"
"addl $16,%3\n"
"decl %4\n"
"jnz 0b\n"
"1:\n"
/* final run */
/* set the current, current_pre, current_next registers */
"movq (%1),%%mm1\n"
"movq (%1),%%mm7\n"
"movq -8(%1),%%mm0\n"
"psrlq $48,%%mm1\n"
"psrlq $48,%%mm0\n"
"psllq $48,%%mm1\n"
"movq %%mm7,%%mm2\n"
"movq %%mm7,%%mm3\n"
"psllq $16,%%mm2\n"
"psrlq $16,%%mm3\n"
"por %%mm2,%%mm0\n"
"por %%mm3,%%mm1\n"
/* current_upper */
"movq (%0),%%mm6\n"
/* compute the upper-left pixel for dst on %%mm2 */
/* compute the upper-right pixel for dst on %%mm4 */
"movq %%mm0,%%mm2\n"
"movq %%mm1,%%mm4\n"
"movq %%mm0,%%mm3\n"
"movq %%mm1,%%mm5\n"
"pcmpeqw %%mm6,%%mm2\n"
"pcmpeqw %%mm6,%%mm4\n"
"pcmpeqw (%2),%%mm3\n"
"pcmpeqw (%2),%%mm5\n"
"pandn %%mm2,%%mm3\n"
"pandn %%mm4,%%mm5\n"
"movq %%mm0,%%mm2\n"
"movq %%mm1,%%mm4\n"
"pcmpeqw %%mm1,%%mm2\n"
"pcmpeqw %%mm0,%%mm4\n"
"pandn %%mm3,%%mm2\n"
"pandn %%mm5,%%mm4\n"
"movq %%mm2,%%mm3\n"
"movq %%mm4,%%mm5\n"
"pand %%mm6,%%mm2\n"
"pand %%mm6,%%mm4\n"
"pandn %%mm7,%%mm3\n"
"pandn %%mm7,%%mm5\n"
"por %%mm3,%%mm2\n"
"por %%mm5,%%mm4\n"
/* set *dst */
"movq %%mm2,%%mm3\n"
"punpcklwd %%mm4,%%mm2\n"
"punpckhwd %%mm4,%%mm3\n"
"movq %%mm2,(%3)\n"
"movq %%mm3,8(%3)\n"
"emms\n"
: "+r" (src0), "+r" (src1), "+r" (src2), "+r" (dst), "+r" (count)
:
: "cc"
);
#else
__asm {
mov eax, src0;
mov ebx, src1;
mov ecx, src2;
mov edx, dst;
mov esi, count;
/* first run */
/* set the current, current_pre, current_next registers */
movq mm0, qword ptr [ebx];
movq mm7, qword ptr [ebx];
movq mm1, qword ptr [ebx + 8];
psllq mm0, 48;
psllq mm1, 48;
psrlq mm0, 48;
movq mm2, mm7;
movq mm3, mm7;
psllq mm2, 16;
psrlq mm3, 16;
por mm0, mm2;
por mm1, mm3;
/* current_upper */
movq mm6, qword ptr [eax];
/* compute the upper-left pixel for dst on %%mm2 */
/* compute the upper-right pixel for dst on %%mm4 */
movq mm2, mm0;
movq mm4, mm1;
movq mm3, mm0;
movq mm5, mm1;
pcmpeqw mm2, mm6;
pcmpeqw mm4, mm6;
pcmpeqw mm3, qword ptr [ecx];
pcmpeqw mm5, qword ptr [ecx];
pandn mm3,mm2;
pandn mm5,mm4;
movq mm2,mm0;
movq mm4,mm1;
pcmpeqw mm2,mm1;
pcmpeqw mm4,mm0;
pandn mm2,mm3;
pandn mm4,mm5;
movq mm3,mm2;
movq mm5,mm4;
pand mm2,mm6;
pand mm4,mm6;
pandn mm3,mm7;
pandn mm5,mm7;
por mm2,mm3;
por mm4,mm5;
/* set *dst0 */
movq mm3,mm2;
punpcklwd mm2,mm4;
punpckhwd mm3,mm4;
movq qword ptr [edx], mm2;
movq qword ptr [edx + 8], mm3;
/* next */
add eax, 8;
add ebx, 8;
add ecx, 8;
add edx, 16;
/* central runs */
shr esi, 2;
jz label1;
align 4;
label0:
/* set the current, current_pre, current_next registers */
movq mm0, qword ptr [ebx-8];
movq mm7, qword ptr [ebx];
movq mm1, qword ptr [ebx+8];
psrlq mm0,48;
psllq mm1,48;
movq mm2,mm7;
movq mm3,mm7;
psllq mm2,16;
psrlq mm3,16;
por mm0,mm2;
por mm1,mm3;
/* current_upper */
movq mm6, qword ptr [eax];
/* compute the upper-left pixel for dst on %%mm2 */
/* compute the upper-right pixel for dst on %%mm4 */
movq mm2,mm0;
movq mm4,mm1;
movq mm3,mm0;
movq mm5,mm1;
pcmpeqw mm2,mm6;
pcmpeqw mm4,mm6;
pcmpeqw mm3, qword ptr [ecx];
pcmpeqw mm5, qword ptr [ecx];
pandn mm3,mm2;
pandn mm5,mm4;
movq mm2,mm0;
movq mm4,mm1;
pcmpeqw mm2,mm1;
pcmpeqw mm4,mm0;
pandn mm2,mm3;
pandn mm4,mm5;
movq mm3,mm2;
movq mm5,mm4;
pand mm2,mm6;
pand mm4,mm6;
pandn mm3,mm7;
pandn mm5,mm7;
por mm2,mm3;
por mm4,mm5;
/* set *dst */
movq mm3,mm2;
punpcklwd mm2,mm4;
punpckhwd mm3,mm4;
movq qword ptr [edx], mm2;
movq qword ptr [edx+8], mm3;
/* next */
add eax,8;
add ebx,8;
add ecx,8;
add edx,16;
dec esi;
jnz label0;
label1:
/* final run */
/* set the current, current_pre, current_next registers */
movq mm1, qword ptr [ebx];
movq mm7, qword ptr [ebx];
movq mm0, qword ptr [ebx-8];
psrlq mm1,48;
psrlq mm0,48;
psllq mm1,48;
movq mm2,mm7;
movq mm3,mm7;
psllq mm2,16;
psrlq mm3,16;
por mm0,mm2;
por mm1,mm3;
/* current_upper */
movq mm6, qword ptr [eax];
/* compute the upper-left pixel for dst on %%mm2 */
/* compute the upper-right pixel for dst on %%mm4 */
movq mm2,mm0;
movq mm4,mm1;
movq mm3,mm0;
movq mm5,mm1;
pcmpeqw mm2,mm6;
pcmpeqw mm4,mm6;
pcmpeqw mm3, qword ptr [ecx];
pcmpeqw mm5, qword ptr [ecx];
pandn mm3,mm2;
pandn mm5,mm4;
movq mm2,mm0;
movq mm4,mm1;
pcmpeqw mm2,mm1;
pcmpeqw mm4,mm0;
pandn mm2,mm3;
pandn mm4,mm5;
movq mm3,mm2;
movq mm5,mm4;
pand mm2,mm6;
pand mm4,mm6;
pandn mm3,mm7;
pandn mm5,mm7;
por mm2,mm3;
por mm4,mm5;
/* set *dst */
movq mm3,mm2;
punpcklwd mm2,mm4;
punpckhwd mm3,mm4;
movq qword ptr [edx], mm2;
movq qword ptr [edx+8], mm3;
mov src0, eax;
mov src1, ebx;
mov src2, ecx;
mov dst, edx;
mov count, esi;
emms;
}
#endif
}
static void internal_scale2x_32_mmx_single(u32* dst, const u32* src0, const u32* src1, const u32* src2, unsigned count) {
/* always do the first and last run */
count -= 2*2;
#ifdef __GNUC__
__asm__ __volatile__(
/* first run */
/* set the current, current_pre, current_next registers */
"movq 0(%1),%%mm0\n"
"movq 0(%1),%%mm7\n"
"movq 8(%1),%%mm1\n"
"psllq $32,%%mm0\n"
"psllq $32,%%mm1\n"
"psrlq $32,%%mm0\n"
"movq %%mm7,%%mm2\n"
"movq %%mm7,%%mm3\n"
"psllq $32,%%mm2\n"
"psrlq $32,%%mm3\n"
"por %%mm2,%%mm0\n"
"por %%mm3,%%mm1\n"
/* current_upper */
"movq (%0),%%mm6\n"
/* compute the upper-left pixel for dst on %%mm2 */
/* compute the upper-right pixel for dst on %%mm4 */
"movq %%mm0,%%mm2\n"
"movq %%mm1,%%mm4\n"
"movq %%mm0,%%mm3\n"
"movq %%mm1,%%mm5\n"
"pcmpeqd %%mm6,%%mm2\n"
"pcmpeqd %%mm6,%%mm4\n"
"pcmpeqd (%2),%%mm3\n"
"pcmpeqd (%2),%%mm5\n"
"pandn %%mm2,%%mm3\n"
"pandn %%mm4,%%mm5\n"
"movq %%mm0,%%mm2\n"
"movq %%mm1,%%mm4\n"
"pcmpeqd %%mm1,%%mm2\n"
"pcmpeqd %%mm0,%%mm4\n"
"pandn %%mm3,%%mm2\n"
"pandn %%mm5,%%mm4\n"
"movq %%mm2,%%mm3\n"
"movq %%mm4,%%mm5\n"
"pand %%mm6,%%mm2\n"
"pand %%mm6,%%mm4\n"
"pandn %%mm7,%%mm3\n"
"pandn %%mm7,%%mm5\n"
"por %%mm3,%%mm2\n"
"por %%mm5,%%mm4\n"
/* set *dst */
"movq %%mm2,%%mm3\n"
"punpckldq %%mm4,%%mm2\n"
"punpckhdq %%mm4,%%mm3\n"
"movq %%mm2,(%3)\n"
"movq %%mm3, 8(%3)\n"
/* next */
"addl $8,%0\n"
"addl $8,%1\n"
"addl $8,%2\n"
"addl $16,%3\n"
/* central runs */
"shrl $1,%4\n"
"jz 1f\n"
"0:\n"
/* set the current, current_pre, current_next registers */
"movq -8(%1),%%mm0\n"
"movq (%1),%%mm7\n"
"movq 8(%1),%%mm1\n"
"psrlq $32,%%mm0\n"
"psllq $32,%%mm1\n"
"movq %%mm7,%%mm2\n"
"movq %%mm7,%%mm3\n"
"psllq $32,%%mm2\n"
"psrlq $32,%%mm3\n"
"por %%mm2,%%mm0\n"
"por %%mm3,%%mm1\n"
/* current_upper */
"movq (%0),%%mm6\n"
/* compute the upper-left pixel for dst on %%mm2 */
/* compute the upper-right pixel for dst on %%mm4 */
"movq %%mm0,%%mm2\n"
"movq %%mm1,%%mm4\n"
"movq %%mm0,%%mm3\n"
"movq %%mm1,%%mm5\n"
"pcmpeqd %%mm6,%%mm2\n"
"pcmpeqd %%mm6,%%mm4\n"
"pcmpeqd (%2),%%mm3\n"
"pcmpeqd (%2),%%mm5\n"
"pandn %%mm2,%%mm3\n"
"pandn %%mm4,%%mm5\n"
"movq %%mm0,%%mm2\n"
"movq %%mm1,%%mm4\n"
"pcmpeqd %%mm1,%%mm2\n"
"pcmpeqd %%mm0,%%mm4\n"
"pandn %%mm3,%%mm2\n"
"pandn %%mm5,%%mm4\n"
"movq %%mm2,%%mm3\n"
"movq %%mm4,%%mm5\n"
"pand %%mm6,%%mm2\n"
"pand %%mm6,%%mm4\n"
"pandn %%mm7,%%mm3\n"
"pandn %%mm7,%%mm5\n"
"por %%mm3,%%mm2\n"
"por %%mm5,%%mm4\n"
/* set *dst */
"movq %%mm2,%%mm3\n"
"punpckldq %%mm4,%%mm2\n"
"punpckhdq %%mm4,%%mm3\n"
"movq %%mm2,(%3)\n"
"movq %%mm3,8(%3)\n"
/* next */
"addl $8,%0\n"
"addl $8,%1\n"
"addl $8,%2\n"
"addl $16,%3\n"
"decl %4\n"
"jnz 0b\n"
"1:\n"
/* final run */
/* set the current, current_pre, current_next registers */
"movq (%1),%%mm1\n"
"movq (%1),%%mm7\n"
"movq -8(%1), %%mm0\n"
"psrlq $32,%%mm1\n"
"psrlq $32,%%mm0\n"
"psllq $32,%%mm1\n"
"movq %%mm7,%%mm2\n"
"movq %%mm7,%%mm3\n"
"psllq $32,%%mm2\n"
"psrlq $32,%%mm3\n"
"por %%mm2,%%mm0\n"
"por %%mm3,%%mm1\n"
/* current_upper */
"movq (%0),%%mm6\n"
/* compute the upper-left pixel for dst on %%mm2 */
/* compute the upper-right pixel for dst on %%mm4 */
"movq %%mm0,%%mm2\n"
"movq %%mm1,%%mm4\n"
"movq %%mm0,%%mm3\n"
"movq %%mm1,%%mm5\n"
"pcmpeqd %%mm6,%%mm2\n"
"pcmpeqd %%mm6,%%mm4\n"
"pcmpeqd (%2),%%mm3\n"
"pcmpeqd (%2),%%mm5\n"
"pandn %%mm2,%%mm3\n"
"pandn %%mm4,%%mm5\n"
"movq %%mm0,%%mm2\n"
"movq %%mm1,%%mm4\n"
"pcmpeqd %%mm1,%%mm2\n"
"pcmpeqd %%mm0,%%mm4\n"
"pandn %%mm3,%%mm2\n"
"pandn %%mm5,%%mm4\n"
"movq %%mm2,%%mm3\n"
"movq %%mm4,%%mm5\n"
"pand %%mm6,%%mm2\n"
"pand %%mm6,%%mm4\n"
"pandn %%mm7,%%mm3\n"
"pandn %%mm7,%%mm5\n"
"por %%mm3,%%mm2\n"
"por %%mm5,%%mm4\n"
/* set *dst */
"movq %%mm2,%%mm3\n"
"punpckldq %%mm4,%%mm2\n"
"punpckhdq %%mm4,%%mm3\n"
"movq %%mm2,(%3)\n"
"movq %%mm3,8(%3)\n"
"emms\n"
: "+r" (src0), "+r" (src1), "+r" (src2), "+r" (dst), "+r" (count)
:
: "cc"
);
#else
__asm {
mov eax, src0;
mov ebx, src1;
mov ecx, src2;
mov edx, dst;
mov esi, count;
/* first run */
/* set the current, current_pre, current_next registers */
movq mm0,qword ptr [ebx];
movq mm7,qword ptr [ebx];
movq mm1,qword ptr [ebx + 8];
psllq mm0,32;
psllq mm1,32;
psrlq mm0,32;
movq mm2,mm7;
movq mm3,mm7;
psllq mm2,32;
psrlq mm3,32;
por mm0,mm2;
por mm1,mm3;
/* current_upper */
movq mm6,qword ptr [eax];
/* compute the upper-left pixel for dst on %%mm2 */
/* compute the upper-right pixel for dst on %%mm4 */
movq mm2,mm0;
movq mm4,mm1;
movq mm3,mm0;
movq mm5,mm1;
pcmpeqd mm2,mm6;
pcmpeqd mm4,mm6;
pcmpeqd mm3,qword ptr [ecx];
pcmpeqd mm5,qword ptr [ecx];
pandn mm3,mm2;
pandn mm5,mm4;
movq mm2,mm0;
movq mm4,mm1;
pcmpeqd mm2,mm1;
pcmpeqd mm4,mm0;
pandn mm2,mm3;
pandn mm4,mm5;
movq mm3,mm2;
movq mm5,mm4;
pand mm2,mm6;
pand mm4,mm6;
pandn mm3,mm7;
pandn mm5,mm7;
por mm2,mm3;
por mm4,mm5;
/* set *dst */
movq mm3,mm2;
punpckldq mm2,mm4;
punpckhdq mm3,mm4;
movq qword ptr [edx],mm2;
movq qword ptr [edx+8],mm3;
/* next */
add eax,8;
add ebx,8;
add ecx,8;
add edx,16;
/* central runs */
shr esi,1;
jz label1;
label0:
/* set the current, current_pre, current_next registers */
movq mm0,qword ptr [ebx-8];
movq mm7,qword ptr [ebx];
movq mm1,qword ptr [ebx+8];
psrlq mm0,32;
psllq mm1,32;
movq mm2,mm7;
movq mm3,mm7;
psllq mm2,32;
psrlq mm3,32;
por mm0,mm2;
por mm1,mm3;
/* current_upper */
movq mm6,qword ptr[eax];
/* compute the upper-left pixel for dst on %%mm2 */
/* compute the upper-right pixel for dst on %%mm4 */
movq mm2,mm0;
movq mm4,mm1;
movq mm3,mm0;
movq mm5,mm1;
pcmpeqd mm2,mm6;
pcmpeqd mm4,mm6;
pcmpeqd mm3,qword ptr[ecx];
pcmpeqd mm5,qword ptr[ecx];
pandn mm3,mm2;
pandn mm5,mm4;
movq mm2,mm0;
movq mm4,mm1;
pcmpeqd mm2,mm1;
pcmpeqd mm4,mm0;
pandn mm2,mm3;
pandn mm4,mm5;
movq mm3,mm2;
movq mm5,mm4;
pand mm2,mm6;
pand mm4,mm6;
pandn mm3,mm7;
pandn mm5,mm7;
por mm2,mm3;
por mm4,mm5;
/* set *dst */
movq mm3,mm2;
punpckldq mm2,mm4;
punpckhdq mm3,mm4;
movq qword ptr [edx],mm2;
movq qword ptr [edx+8],mm3;
/* next */
add eax,8;
add ebx,8;
add ecx,8;
add edx,16;
dec esi;
jnz label0;
label1:
/* final run */
/* set the current, current_pre, current_next registers */
movq mm1,qword ptr [ebx];
movq mm7,qword ptr [ebx];
movq mm0,qword ptr [ebx-8];
psrlq mm1,32;
psrlq mm0,32;
psllq mm1,32;
movq mm2,mm7;
movq mm3,mm7;
psllq mm2,32;
psrlq mm3,32;
por mm0,mm2;
por mm1,mm3;
/* current_upper */
movq mm6,qword ptr [eax];
/* compute the upper-left pixel for dst on %%mm2 */
/* compute the upper-right pixel for dst on %%mm4 */
movq mm2,mm0;
movq mm4,mm1;
movq mm3,mm0;
movq mm5,mm1;
pcmpeqd mm2,mm6;
pcmpeqd mm4,mm6;
pcmpeqd mm3,qword ptr [ecx];
pcmpeqd mm5,qword ptr [ecx];
pandn mm3,mm2;
pandn mm5,mm4;
movq mm2,mm0;
movq mm4,mm1;
pcmpeqd mm2,mm1;
pcmpeqd mm4,mm0;
pandn mm2,mm3;
pandn mm4,mm5;
movq mm3,mm2;
movq mm5,mm4;
pand mm2,mm6;
pand mm4,mm6;
pandn mm3,mm7;
pandn mm5,mm7;
por mm2,mm3;
por mm4,mm5;
/* set *dst */
movq mm3,mm2;
punpckldq mm2,mm4;
punpckhdq mm3,mm4;
movq qword ptr [edx],mm2;
movq qword ptr [edx+8],mm3;
mov src0, eax;
mov src1, ebx;
mov src2, ecx;
mov dst, edx;
mov count, esi;
emms;
}
#endif
}
static void internal_scale2x_16_mmx(u16* dst0, u16* dst1, const u16* src0, const u16* src1, const u16* src2, unsigned count) {
// assert( count >= 2*4 );
internal_scale2x_16_mmx_single(dst0, src0, src1, src2, count);
internal_scale2x_16_mmx_single(dst1, src2, src1, src0, count);
}
static void internal_scale2x_32_mmx(u32* dst0, u32* dst1, const u32* src0, const u32* src1, const u32* src2, unsigned count) {
// assert( count >= 2*2 );
internal_scale2x_32_mmx_single(dst0, src0, src1, src2, count);
internal_scale2x_32_mmx_single(dst1, src2, src1, src0, count);
}
#endif
void AdMame2x(u8 *srcPtr, u32 srcPitch, u8 * /* deltaPtr */,
u8 *dstPtr, u32 dstPitch, int width, int height)
{
u16 *dst0 = (u16 *)dstPtr;
u16 *dst1 = dst0 + (dstPitch >> 1);
u16 *src0 = (u16 *)srcPtr;
u16 *src1 = src0 + (srcPitch >> 1);
u16 *src2 = src1 + (srcPitch >> 1);
#ifdef MMX
if(cpu_mmx) {
internal_scale2x_16_mmx(dst0, dst1, src0, src0, src1, width);
int count = height;
count -= 2;
while(count) {
dst0 += dstPitch;
dst1 += dstPitch;
internal_scale2x_16_mmx(dst0, dst1, src0, src1, src2, width);
src0 = src1;
src1 = src2;
src2 += srcPitch >> 1;
--count;
}
dst0 += dstPitch;
dst1 += dstPitch;
internal_scale2x_16_mmx(dst0, dst1, src0, src1, src1, width);
} else {
#endif
internal_scale2x_16_def(dst0, src0, src0, src1, width);
internal_scale2x_16_def(dst1, src1, src0, src0, width);
int count = height;
count -= 2;
while(count) {
dst0 += dstPitch;
dst1 += dstPitch;
internal_scale2x_16_def(dst0, src0, src1, src2, width);
internal_scale2x_16_def(dst1, src2, src1, src0, width);
src0 = src1;
src1 = src2;
src2 += srcPitch >> 1;
--count;
}
dst0 += dstPitch;
dst1 += dstPitch;
internal_scale2x_16_def(dst0, src0, src1, src1, width);
internal_scale2x_16_def(dst1, src1, src1, src0, width);
#ifdef MMX
}
#endif
}
void AdMame2x32(u8 *srcPtr, u32 srcPitch, u8 * /* deltaPtr */,
u8 *dstPtr, u32 dstPitch, int width, int height)
{
u32 *dst0 = (u32 *)dstPtr;
u32 *dst1 = dst0 + (dstPitch >> 2);
u32 *src0 = (u32 *)srcPtr;
u32 *src1 = src0 + (srcPitch >> 2);
u32 *src2 = src1 + (srcPitch >> 2);
#ifdef MMX
if(cpu_mmx) {
internal_scale2x_32_mmx(dst0, dst1, src0, src0, src1, width);
int count = height;
count -= 2;
while(count) {
dst0 += dstPitch >> 1;
dst1 += dstPitch >> 1;
internal_scale2x_32_mmx(dst0, dst1, src0, src1, src2, width);
src0 = src1;
src1 = src2;
src2 += srcPitch >> 2;
--count;
}
dst0 += dstPitch >> 1;
dst1 += dstPitch >> 1;
internal_scale2x_32_mmx(dst0, dst1, src0, src1, src1, width);
} else {
#endif
internal_scale2x_32_def(dst0, src0, src0, src1, width);
internal_scale2x_32_def(dst1, src1, src0, src0, width);
int count = height;
count -= 2;
while(count) {
dst0 += dstPitch >> 1;
dst1 += dstPitch >> 1;
internal_scale2x_32_def(dst0, src0, src1, src2, width);
internal_scale2x_32_def(dst1, src2, src1, src0, width);
src0 = src1;
src1 = src2;
src2 += srcPitch >> 2;
--count;
}
dst0 += dstPitch >> 1;
dst1 += dstPitch >> 1;
internal_scale2x_32_def(dst0, src0, src1, src1, width);
internal_scale2x_32_def(dst1, src1, src1, src0, width);
#ifdef MMX
}
#endif
}