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FFmpeg/libswscale/x86/swscale_mmx.c
Michael Niedermayer e484b64ce3 sws: fallback to mmx2 when yuv2yuvX_sse3() cannot be used. 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2011-10-31 01:53:37 +01:00

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/*
* Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <inttypes.h>
#include "config.h"
#include "libswscale/swscale.h"
#include "libswscale/swscale_internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/x86_cpu.h"
#include "libavutil/cpu.h"
#include "libavutil/pixdesc.h"
DECLARE_ASM_CONST(8, uint64_t, bF8)= 0xF8F8F8F8F8F8F8F8LL;
DECLARE_ASM_CONST(8, uint64_t, bFC)= 0xFCFCFCFCFCFCFCFCLL;
DECLARE_ASM_CONST(8, uint64_t, w10)= 0x0010001000100010LL;
DECLARE_ASM_CONST(8, uint64_t, w02)= 0x0002000200020002LL;
DECLARE_ASM_CONST(8, uint64_t, bm00001111)=0x00000000FFFFFFFFLL;
DECLARE_ASM_CONST(8, uint64_t, bm00000111)=0x0000000000FFFFFFLL;
DECLARE_ASM_CONST(8, uint64_t, bm11111000)=0xFFFFFFFFFF000000LL;
DECLARE_ASM_CONST(8, uint64_t, bm01010101)=0x00FF00FF00FF00FFLL;
const DECLARE_ALIGNED(8, uint64_t, ff_dither4)[2] = {
0x0103010301030103LL,
0x0200020002000200LL,};
const DECLARE_ALIGNED(8, uint64_t, ff_dither8)[2] = {
0x0602060206020602LL,
0x0004000400040004LL,};
DECLARE_ASM_CONST(8, uint64_t, b16Mask)= 0x001F001F001F001FLL;
DECLARE_ASM_CONST(8, uint64_t, g16Mask)= 0x07E007E007E007E0LL;
DECLARE_ASM_CONST(8, uint64_t, r16Mask)= 0xF800F800F800F800LL;
DECLARE_ASM_CONST(8, uint64_t, b15Mask)= 0x001F001F001F001FLL;
DECLARE_ASM_CONST(8, uint64_t, g15Mask)= 0x03E003E003E003E0LL;
DECLARE_ASM_CONST(8, uint64_t, r15Mask)= 0x7C007C007C007C00LL;
DECLARE_ALIGNED(8, const uint64_t, ff_M24A) = 0x00FF0000FF0000FFLL;
DECLARE_ALIGNED(8, const uint64_t, ff_M24B) = 0xFF0000FF0000FF00LL;
DECLARE_ALIGNED(8, const uint64_t, ff_M24C) = 0x0000FF0000FF0000LL;
#ifdef FAST_BGR2YV12
DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff) = 0x000000210041000DULL;
DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff) = 0x0000FFEEFFDC0038ULL;
DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff) = 0x00000038FFD2FFF8ULL;
#else
DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff) = 0x000020E540830C8BULL;
DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff) = 0x0000ED0FDAC23831ULL;
DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff) = 0x00003831D0E6F6EAULL;
#endif /* FAST_BGR2YV12 */
DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YOffset) = 0x1010101010101010ULL;
DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UVOffset) = 0x8080808080808080ULL;
DECLARE_ALIGNED(8, const uint64_t, ff_w1111) = 0x0001000100010001ULL;
DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toY1Coeff) = 0x0C88000040870C88ULL;
DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toY2Coeff) = 0x20DE4087000020DEULL;
DECLARE_ASM_CONST(8, uint64_t, ff_rgb24toY1Coeff) = 0x20DE0000408720DEULL;
DECLARE_ASM_CONST(8, uint64_t, ff_rgb24toY2Coeff) = 0x0C88408700000C88ULL;
DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toYOffset) = 0x0008010000080100ULL;
DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUV)[2][4] = {
{0x38380000DAC83838ULL, 0xECFFDAC80000ECFFULL, 0xF6E40000D0E3F6E4ULL, 0x3838D0E300003838ULL},
{0xECFF0000DAC8ECFFULL, 0x3838DAC800003838ULL, 0x38380000D0E33838ULL, 0xF6E4D0E30000F6E4ULL},
};
DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUVOffset)= 0x0040010000400100ULL;
//MMX versions
#if HAVE_MMX
#undef RENAME
#define COMPILE_TEMPLATE_MMX2 0
#define RENAME(a) a ## _MMX
#include "swscale_template.c"
#endif
//MMX2 versions
#if HAVE_MMX2
#undef RENAME
#undef COMPILE_TEMPLATE_MMX2
#define COMPILE_TEMPLATE_MMX2 1
#define RENAME(a) a ## _MMX2
#include "swscale_template.c"
#endif
void updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrBufIndex,
int lastInLumBuf, int lastInChrBuf)
{
const int dstH= c->dstH;
const int flags= c->flags;
int16_t **lumPixBuf= c->lumPixBuf;
int16_t **chrUPixBuf= c->chrUPixBuf;
int16_t **alpPixBuf= c->alpPixBuf;
const int vLumBufSize= c->vLumBufSize;
const int vChrBufSize= c->vChrBufSize;
int16_t *vLumFilterPos= c->vLumFilterPos;
int16_t *vChrFilterPos= c->vChrFilterPos;
int16_t *vLumFilter= c->vLumFilter;
int16_t *vChrFilter= c->vChrFilter;
int32_t *lumMmxFilter= c->lumMmxFilter;
int32_t *chrMmxFilter= c->chrMmxFilter;
int32_t av_unused *alpMmxFilter= c->alpMmxFilter;
const int vLumFilterSize= c->vLumFilterSize;
const int vChrFilterSize= c->vChrFilterSize;
const int chrDstY= dstY>>c->chrDstVSubSample;
const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input
const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input
c->blueDither= ff_dither8[dstY&1];
if (c->dstFormat == PIX_FMT_RGB555 || c->dstFormat == PIX_FMT_BGR555)
c->greenDither= ff_dither8[dstY&1];
else
c->greenDither= ff_dither4[dstY&1];
c->redDither= ff_dither8[(dstY+1)&1];
if (dstY < dstH - 2) {
const int16_t **lumSrcPtr= (const int16_t **) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
const int16_t **chrUSrcPtr= (const int16_t **) chrUPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
int i;
if (flags & SWS_ACCURATE_RND) {
int s= APCK_SIZE / 8;
for (i=0; i<vLumFilterSize; i+=2) {
*(const void**)&lumMmxFilter[s*i ]= lumSrcPtr[i ];
*(const void**)&lumMmxFilter[s*i+APCK_PTR2/4 ]= lumSrcPtr[i+(vLumFilterSize>1)];
lumMmxFilter[s*i+APCK_COEF/4 ]=
lumMmxFilter[s*i+APCK_COEF/4+1]= vLumFilter[dstY*vLumFilterSize + i ]
+ (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1]<<16 : 0);
if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
*(const void**)&alpMmxFilter[s*i ]= alpSrcPtr[i ];
*(const void**)&alpMmxFilter[s*i+APCK_PTR2/4 ]= alpSrcPtr[i+(vLumFilterSize>1)];
alpMmxFilter[s*i+APCK_COEF/4 ]=
alpMmxFilter[s*i+APCK_COEF/4+1]= lumMmxFilter[s*i+APCK_COEF/4 ];
}
}
for (i=0; i<vChrFilterSize; i+=2) {
*(const void**)&chrMmxFilter[s*i ]= chrUSrcPtr[i ];
*(const void**)&chrMmxFilter[s*i+APCK_PTR2/4 ]= chrUSrcPtr[i+(vChrFilterSize>1)];
chrMmxFilter[s*i+APCK_COEF/4 ]=
chrMmxFilter[s*i+APCK_COEF/4+1]= vChrFilter[chrDstY*vChrFilterSize + i ]
+ (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1]<<16 : 0);
}
} else {
for (i=0; i<vLumFilterSize; i++) {
*(const void**)&lumMmxFilter[4*i+0]= lumSrcPtr[i];
lumMmxFilter[4*i+2]=
lumMmxFilter[4*i+3]=
((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001;
if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
*(const void**)&alpMmxFilter[4*i+0]= alpSrcPtr[i];
alpMmxFilter[4*i+2]=
alpMmxFilter[4*i+3]= lumMmxFilter[4*i+2];
}
}
for (i=0; i<vChrFilterSize; i++) {
*(const void**)&chrMmxFilter[4*i+0]= chrUSrcPtr[i];
chrMmxFilter[4*i+2]=
chrMmxFilter[4*i+3]=
((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001;
}
}
}
}
static void yuv2yuvX_sse3(const int16_t *filter, int filterSize,
const int16_t **src, uint8_t *dest, int dstW,
const uint8_t *dither, int offset)
{
if(((int)dest) & 15){
return yuv2yuvX_MMX2(filter, filterSize, src, dest, dstW, dither, offset);
}
if (offset) {
__asm__ volatile("movq (%0), %%xmm3\n\t"
"movdqa %%xmm3, %%xmm4\n\t"
"psrlq $24, %%xmm3\n\t"
"psllq $40, %%xmm4\n\t"
"por %%xmm4, %%xmm3\n\t"
:: "r"(dither)
);
} else {
__asm__ volatile("movq (%0), %%xmm3\n\t"
:: "r"(dither)
);
}
__asm__ volatile(
"pxor %%xmm0, %%xmm0\n\t"
"punpcklbw %%xmm0, %%xmm3\n\t"
"psraw $4, %%xmm3\n\t"
"movdqa %%xmm3, %%xmm4\n\t"
"movdqa %%xmm3, %%xmm7\n\t"
"movl %3, %%ecx\n\t"
"mov %0, %%"REG_d" \n\t"\
"mov (%%"REG_d"), %%"REG_S" \n\t"\
".p2align 4 \n\t" /* FIXME Unroll? */\
"1: \n\t"\
"movddup 8(%%"REG_d"), %%xmm0 \n\t" /* filterCoeff */\
"movdqa (%%"REG_S", %%"REG_c", 2), %%xmm2 \n\t" /* srcData */\
"movdqa 16(%%"REG_S", %%"REG_c", 2), %%xmm5 \n\t" /* srcData */\
"add $16, %%"REG_d" \n\t"\
"mov (%%"REG_d"), %%"REG_S" \n\t"\
"test %%"REG_S", %%"REG_S" \n\t"\
"pmulhw %%xmm0, %%xmm2 \n\t"\
"pmulhw %%xmm0, %%xmm5 \n\t"\
"paddw %%xmm2, %%xmm3 \n\t"\
"paddw %%xmm5, %%xmm4 \n\t"\
" jnz 1b \n\t"\
"psraw $3, %%xmm3 \n\t"\
"psraw $3, %%xmm4 \n\t"\
"packuswb %%xmm4, %%xmm3 \n\t"
"movntdq %%xmm3, (%1, %%"REG_c")\n\t"
"add $16, %%"REG_c" \n\t"\
"cmp %2, %%"REG_c" \n\t"\
"movdqa %%xmm7, %%xmm3\n\t"
"movdqa %%xmm7, %%xmm4\n\t"
"mov %0, %%"REG_d" \n\t"\
"mov (%%"REG_d"), %%"REG_S" \n\t"\
"jb 1b \n\t"\
:: "g" (filter),
"r" (dest-offset), "g" ((x86_reg)(dstW+offset)), "m" (offset)
: "%"REG_d, "%"REG_S, "%"REG_c
);
}
#define SCALE_FUNC(filter_n, from_bpc, to_bpc, opt) \
extern void ff_hscale ## from_bpc ## to ## to_bpc ## _ ## filter_n ## _ ## opt( \
SwsContext *c, int16_t *data, \
int dstW, const uint8_t *src, \
const int16_t *filter, \
const int16_t *filterPos, int filterSize);
#define SCALE_FUNCS(filter_n, opt) \
SCALE_FUNC(filter_n, 8, 15, opt); \
SCALE_FUNC(filter_n, 9, 15, opt); \
SCALE_FUNC(filter_n, 10, 15, opt); \
SCALE_FUNC(filter_n, 14, 15, opt); \
SCALE_FUNC(filter_n, 16, 15, opt); \
SCALE_FUNC(filter_n, 8, 19, opt); \
SCALE_FUNC(filter_n, 9, 19, opt); \
SCALE_FUNC(filter_n, 10, 19, opt); \
SCALE_FUNC(filter_n, 14, 19, opt); \
SCALE_FUNC(filter_n, 16, 19, opt)
#define SCALE_FUNCS_MMX(opt) \
SCALE_FUNCS(4, opt); \
SCALE_FUNCS(8, opt); \
SCALE_FUNCS(X, opt)
#define SCALE_FUNCS_SSE(opt) \
SCALE_FUNCS(4, opt); \
SCALE_FUNCS(8, opt); \
SCALE_FUNCS(X4, opt); \
SCALE_FUNCS(X8, opt)
#if ARCH_X86_32
SCALE_FUNCS_MMX(mmx);
#endif
SCALE_FUNCS_SSE(sse2);
SCALE_FUNCS_SSE(ssse3);
SCALE_FUNCS_SSE(sse4);
#define VSCALEX_FUNC(size, opt) \
extern void ff_yuv2planeX_ ## size ## _ ## opt(const int16_t *filter, int filterSize, \
const int16_t **src, uint8_t *dest, int dstW, \
const uint8_t *dither, int offset)
#define VSCALEX_FUNCS(opt1, opt2) \
VSCALEX_FUNC(8, opt1); \
VSCALEX_FUNC(9, opt2); \
VSCALEX_FUNC(10, opt2)
#if ARCH_X86_32
VSCALEX_FUNCS(mmx, mmx2);
#endif
VSCALEX_FUNCS(sse2, sse2);
VSCALEX_FUNCS(sse4, sse4);
VSCALEX_FUNC(16, sse4);
VSCALEX_FUNCS(avx, avx);
void ff_sws_init_swScale_mmx(SwsContext *c)
{
int cpu_flags = av_get_cpu_flags();
if (cpu_flags & AV_CPU_FLAG_MMX)
sws_init_swScale_MMX(c);
#if HAVE_MMX2
if (cpu_flags & AV_CPU_FLAG_MMX2)
sws_init_swScale_MMX2(c);
if (cpu_flags & AV_CPU_FLAG_SSE3){
if(c->use_mmx_vfilter && !(c->flags & SWS_ACCURATE_RND))
c->yuv2planeX = yuv2yuvX_sse3;
}
#endif
#if HAVE_YASM
#define ASSIGN_SCALE_FUNC2(hscalefn, filtersize, opt1, opt2) do { \
if (c->srcBpc == 8) { \
hscalefn = c->dstBpc <= 10 ? ff_hscale8to15_ ## filtersize ## _ ## opt2 : \
ff_hscale8to19_ ## filtersize ## _ ## opt1; \
} else if (c->srcBpc == 9) { \
hscalefn = c->dstBpc <= 10 ? ff_hscale9to15_ ## filtersize ## _ ## opt2 : \
ff_hscale9to19_ ## filtersize ## _ ## opt1; \
} else if (c->srcBpc == 10) { \
hscalefn = c->dstBpc <= 10 ? ff_hscale10to15_ ## filtersize ## _ ## opt2 : \
ff_hscale10to19_ ## filtersize ## _ ## opt1; \
} else if (c->srcBpc == 14 || ((c->srcFormat==PIX_FMT_PAL8||isAnyRGB(c->srcFormat)) && av_pix_fmt_descriptors[c->srcFormat].comp[0].depth_minus1<15)) { \
hscalefn = c->dstBpc <= 10 ? ff_hscale14to15_ ## filtersize ## _ ## opt2 : \
ff_hscale14to19_ ## filtersize ## _ ## opt1; \
} else { /* c->srcBpc == 16 */ \
hscalefn = c->dstBpc <= 10 ? ff_hscale16to15_ ## filtersize ## _ ## opt2 : \
ff_hscale16to19_ ## filtersize ## _ ## opt1; \
} \
} while (0)
#define ASSIGN_MMX_SCALE_FUNC(hscalefn, filtersize, opt1, opt2) \
switch (filtersize) { \
case 4: ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \
case 8: ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \
default: ASSIGN_SCALE_FUNC2(hscalefn, X, opt1, opt2); break; \
}
#define ASSIGN_VSCALEX_FUNC(vscalefn, opt1, opt2, opt2chk, do_16_case) \
switch(c->dstBpc){ \
case 16: /*do_16_case;*/ break; \
case 10: if (!isBE(c->dstFormat) && opt2chk) /*vscalefn = ff_yuv2planeX_10_ ## opt2;*/ break; \
case 9: if (!isBE(c->dstFormat) && opt2chk) /*vscalefn = ff_yuv2planeX_9_ ## opt2;*/ break; \
default: /*vscalefn = ff_yuv2planeX_8_ ## opt1;*/ break; \
}
#if ARCH_X86_32
if (cpu_flags & AV_CPU_FLAG_MMX) {
ASSIGN_MMX_SCALE_FUNC(c->hyScale, c->hLumFilterSize, mmx, mmx);
ASSIGN_MMX_SCALE_FUNC(c->hcScale, c->hChrFilterSize, mmx, mmx);
ASSIGN_VSCALEX_FUNC(c->yuv2planeX, mmx, mmx2, cpu_flags & AV_CPU_FLAG_MMX2,);
}
#endif
#define ASSIGN_SSE_SCALE_FUNC(hscalefn, filtersize, opt1, opt2) \
switch (filtersize) { \
case 4: ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \
case 8: ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \
default: if (filtersize & 4) ASSIGN_SCALE_FUNC2(hscalefn, X4, opt1, opt2); \
else ASSIGN_SCALE_FUNC2(hscalefn, X8, opt1, opt2); \
break; \
}
if (cpu_flags & AV_CPU_FLAG_SSE2) {
ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse2, sse2);
ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse2, sse2);
ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse2, sse2, 1,);
}
if (cpu_flags & AV_CPU_FLAG_SSSE3) {
ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, ssse3, ssse3);
ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, ssse3, ssse3);
}
if (cpu_flags & AV_CPU_FLAG_SSE4) {
/* Xto15 don't need special sse4 functions */
ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse4, ssse3);
ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse4, ssse3);
ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse4, sse4, 1,
if (!isBE(c->dstFormat)) c->yuv2planeX = ff_yuv2planeX_16_sse4);
}
if (cpu_flags & AV_CPU_FLAG_AVX) {
ASSIGN_VSCALEX_FUNC(c->yuv2planeX, avx, avx, 1,);
}
#endif
}
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