AltiVec support in postproc/ + altivec optimizations for yuv2yuvX patch by (Romain Dolbeau <dolbeau at irisa dot fr>)

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@12018 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
michael 2004-03-11 17:58:11 +00:00
parent 5865c8ccde
commit e61fb5349a
5 changed files with 246 additions and 3 deletions

View File

@ -469,7 +469,8 @@ int get_sws_cpuflags(){
return
(gCpuCaps.hasMMX ? SWS_CPU_CAPS_MMX : 0)
| (gCpuCaps.hasMMX2 ? SWS_CPU_CAPS_MMX2 : 0)
| (gCpuCaps.has3DNow ? SWS_CPU_CAPS_3DNOW : 0);
| (gCpuCaps.has3DNow ? SWS_CPU_CAPS_3DNOW : 0)
| (gCpuCaps.hasAltiVec ? SWS_CPU_CAPS_ALTIVEC : 0);
}
void sws_getFlagsAndFilterFromCmdLine(int *flags, SwsFilter **srcFilterParam, SwsFilter **dstFilterParam)

View File

@ -673,6 +673,12 @@ static inline void yuv2packedXinC(SwsContext *c, int16_t *lumFilter, int16_t **l
#define COMPILE_C
#endif
#ifdef ARCH_POWERPC
#ifdef HAVE_ALTIVEC
#define COMPILE_ALTIVEC
#endif //HAVE_ALTIVEC
#endif //ARCH_POWERPC
#ifdef ARCH_X86
#if (defined (HAVE_MMX) && !defined (HAVE_3DNOW) && !defined (HAVE_MMX2)) || defined (RUNTIME_CPUDETECT)
@ -696,10 +702,20 @@ static inline void yuv2packedXinC(SwsContext *c, int16_t *lumFilter, int16_t **l
#undef HAVE_MMX
#undef HAVE_MMX2
#undef HAVE_3DNOW
#undef HAVE_ALTIVEC
#define RENAME(a) a ## _C
#include "swscale_template.c"
#endif
#ifdef ARCH_POWERPC
#ifdef COMPILE_ALTIVEC
#undef RENAME
#define HAVE_ALTIVEC
#define RENAME(a) a ## _altivec
#include "swscale_template.c"
#endif
#endif //ARCH_POWERPC
#ifdef ARCH_X86
//X86 versions
@ -1309,6 +1325,12 @@ static SwsFunc getSwsFunc(int flags){
return swScale_C;
#else
#ifdef ARCH_POWERPC
if(flags & SWS_CPU_CAPS_ALTIVEC)
return swScale_altivec;
else
return swScale_C;
#endif
return swScale_C;
#endif
#else //RUNTIME_CPUDETECT
@ -1318,6 +1340,8 @@ static SwsFunc getSwsFunc(int flags){
return swScale_3DNow;
#elif defined (HAVE_MMX)
return swScale_MMX;
#elif defined (HAVE_ALTIVEC)
return swScale_altivec;
#else
return swScale_C;
#endif
@ -1720,13 +1744,15 @@ SwsContext *sws_getContext(int srcW, int srcH, int origSrcFormat, int dstW, int
#endif
#ifndef RUNTIME_CPUDETECT //ensure that the flags match the compiled variant if cpudetect is off
flags &= ~(SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_MMX2|SWS_CPU_CAPS_3DNOW);
flags &= ~(SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_MMX2|SWS_CPU_CAPS_3DNOW|SWS_CPU_CAPS_ALTIVEC);
#ifdef HAVE_MMX2
flags |= SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_MMX2;
#elif defined (HAVE_3DNOW)
flags |= SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_3DNOW;
#elif defined (HAVE_MMX)
flags |= SWS_CPU_CAPS_MMX;
#elif defined (HAVE_ALTIVEC)
flags |= SWS_CPU_CAPS_ALTIVEC;
#endif
#endif
if(clip_table[512] != 255) globalInit();
@ -2033,7 +2059,9 @@ SwsContext *sws_getContext(int srcW, int srcH, int origSrcFormat, int dstW, int
MSG_INFO("using 3DNOW\n");
else if(flags & SWS_CPU_CAPS_MMX)
MSG_INFO("using MMX\n");
else
else if(flags & SWS_CPU_CAPS_ALTIVEC)
MSG_INFO("using AltiVec\n");
else
MSG_INFO("using C\n");
}

View File

@ -60,6 +60,7 @@ extern "C" {
#define SWS_CPU_CAPS_MMX 0x80000000
#define SWS_CPU_CAPS_MMX2 0x20000000
#define SWS_CPU_CAPS_3DNOW 0x40000000
#define SWS_CPU_CAPS_ALTIVEC 0x10000000
#define SWS_MAX_REDUCE_CUTOFF 0.002

View File

@ -0,0 +1,203 @@
/*
AltiVec-enhanced yuv2yuvX
Copyright (C) 2004 Romain Dolbeau <romain@dolbeau.org>
based on the equivalent C code in "postproc/swscale.c"
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
*/
static const vector unsigned int altivec_vectorShiftInt19 = {19, 19, 19, 19};
static inline void
altivec_packIntArrayToCharArray(int *val, uint8_t* dest, int dstW) {
register int i;
if ((unsigned long)dest % 16) {
/* badly aligned store, we force store alignement */
/* and will handle load misalignement on val w/ vec_perm */
for (i = 0 ; (i < dstW) &&
(((unsigned long)dest + i) % 16) ; i++) {
int t = val[i] >> 19;
dest[i] = (t < 0) ? 0 : ((t > 255) ? 255 : t);
}
vector unsigned char perm1 = vec_lvsl(i << 2, val);
vector signed int v1 = vec_ld(i << 2, val);
for ( ; i < (dstW - 15); i+=16) {
int offset = i << 2;
vector signed int v2 = vec_ld(offset + 16, val);
vector signed int v3 = vec_ld(offset + 32, val);
vector signed int v4 = vec_ld(offset + 48, val);
vector signed int v5 = vec_ld(offset + 64, val);
vector signed int v12 = vec_perm(v1,v2,perm1);
vector signed int v23 = vec_perm(v2,v3,perm1);
vector signed int v34 = vec_perm(v3,v4,perm1);
vector signed int v45 = vec_perm(v4,v5,perm1);
vector signed int vA = vec_sra(v12, altivec_vectorShiftInt19);
vector signed int vB = vec_sra(v23, altivec_vectorShiftInt19);
vector signed int vC = vec_sra(v34, altivec_vectorShiftInt19);
vector signed int vD = vec_sra(v45, altivec_vectorShiftInt19);
vector unsigned short vs1 = vec_packsu(vA, vB);
vector unsigned short vs2 = vec_packsu(vC, vD);
vector unsigned char vf = vec_packsu(vs1, vs2);
vec_st(vf, i, dest);
v1 = v5;
}
} else { // dest is properly aligned, great
for (i = 0; i < (dstW - 15); i+=16) {
int offset = i << 2;
vector signed int v1 = vec_ld(offset, val);
vector signed int v2 = vec_ld(offset + 16, val);
vector signed int v3 = vec_ld(offset + 32, val);
vector signed int v4 = vec_ld(offset + 48, val);
vector signed int v5 = vec_sra(v1, altivec_vectorShiftInt19);
vector signed int v6 = vec_sra(v2, altivec_vectorShiftInt19);
vector signed int v7 = vec_sra(v3, altivec_vectorShiftInt19);
vector signed int v8 = vec_sra(v4, altivec_vectorShiftInt19);
vector unsigned short vs1 = vec_packsu(v5, v6);
vector unsigned short vs2 = vec_packsu(v7, v8);
vector unsigned char vf = vec_packsu(vs1, vs2);
vec_st(vf, i, dest);
}
}
for ( ; i < dstW ; i++) {
int t = val[i] >> 19;
dest[i] = (t < 0) ? 0 : ((t > 255) ? 255 : t);
}
}
static inline void
yuv2yuvX_altivec_real(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW, int chrDstW)
{
const vector signed int vini = {(1 << 18), (1 << 18), (1 << 18), (1 << 18)};
register int i, j;
{
int __attribute__ ((aligned (16))) val[dstW];
for (i = 0; i < (dstW -7); i+=4) {
vec_st(vini, i << 2, val);
}
for (; i < dstW; i++) {
val[i] = (1 << 18);
}
for (j = 0; j < lumFilterSize; j++) {
vector signed short vLumFilter = vec_ld(j << 1, lumFilter);
vector unsigned char perm0 = vec_lvsl(j << 1, lumFilter);
vLumFilter = vec_perm(vLumFilter, vLumFilter, perm0);
vLumFilter = vec_splat(vLumFilter, 0); // lumFilter[j] is loaded 8 times in vLumFilter
vector unsigned char perm = vec_lvsl(0, lumSrc[j]);
vector signed short l1 = vec_ld(0, lumSrc[j]);
for (i = 0; i < (dstW - 7); i+=8) {
int offset = i << 2;
vector signed short l2 = vec_ld((i << 1) + 16, lumSrc[j]);
vector signed int v1 = vec_ld(offset, val);
vector signed int v2 = vec_ld(offset + 16, val);
vector signed short ls = vec_perm(l1, l2, perm); // lumSrc[j][i] ... lumSrc[j][i+7]
vector signed int i1 = vec_mule(vLumFilter, ls);
vector signed int i2 = vec_mulo(vLumFilter, ls);
vector signed int vf1 = vec_mergeh(i1, i2);
vector signed int vf2 = vec_mergel(i1, i2); // lumSrc[j][i] * lumFilter[j] ... lumSrc[j][i+7] * lumFilter[j]
vector signed int vo1 = vec_add(v1, vf1);
vector signed int vo2 = vec_add(v2, vf2);
vec_st(vo1, offset, val);
vec_st(vo2, offset + 16, val);
l1 = l2;
}
for ( ; i < dstW; i++) {
val[i] += lumSrc[j][i] * lumFilter[j];
}
}
altivec_packIntArrayToCharArray(val,dest,dstW);
}
if (uDest != 0) {
int __attribute__ ((aligned (16))) u[chrDstW];
int __attribute__ ((aligned (16))) v[chrDstW];
for (i = 0; i < (chrDstW -7); i+=4) {
vec_st(vini, i << 2, u);
vec_st(vini, i << 2, v);
}
for (; i < chrDstW; i++) {
u[i] = (1 << 18);
v[i] = (1 << 18);
}
for (j = 0; j < chrFilterSize; j++) {
vector signed short vChrFilter = vec_ld(j << 1, chrFilter);
vector unsigned char perm0 = vec_lvsl(j << 1, chrFilter);
vChrFilter = vec_perm(vChrFilter, vChrFilter, perm0);
vChrFilter = vec_splat(vChrFilter, 0); // chrFilter[j] is loaded 8 times in vChrFilter
vector unsigned char perm = vec_lvsl(0, chrSrc[j]);
vector signed short l1 = vec_ld(0, chrSrc[j]);
vector signed short l1_V = vec_ld(2048 << 1, chrSrc[j]);
for (i = 0; i < (chrDstW - 7); i+=8) {
int offset = i << 2;
vector signed short l2 = vec_ld((i << 1) + 16, chrSrc[j]);
vector signed short l2_V = vec_ld(((i + 2048) << 1) + 16, chrSrc[j]);
vector signed int v1 = vec_ld(offset, u);
vector signed int v2 = vec_ld(offset + 16, u);
vector signed int v1_V = vec_ld(offset, v);
vector signed int v2_V = vec_ld(offset + 16, v);
vector signed short ls = vec_perm(l1, l2, perm); // chrSrc[j][i] ... chrSrc[j][i+7]
vector signed short ls_V = vec_perm(l1_V, l2_V, perm); // chrSrc[j][i+2048] ... chrSrc[j][i+2055]
vector signed int i1 = vec_mule(vChrFilter, ls);
vector signed int i2 = vec_mulo(vChrFilter, ls);
vector signed int i1_V = vec_mule(vChrFilter, ls_V);
vector signed int i2_V = vec_mulo(vChrFilter, ls_V);
vector signed int vf1 = vec_mergeh(i1, i2);
vector signed int vf2 = vec_mergel(i1, i2); // chrSrc[j][i] * chrFilter[j] ... chrSrc[j][i+7] * chrFilter[j]
vector signed int vf1_V = vec_mergeh(i1_V, i2_V);
vector signed int vf2_V = vec_mergel(i1_V, i2_V); // chrSrc[j][i] * chrFilter[j] ... chrSrc[j][i+7] * chrFilter[j]
vector signed int vo1 = vec_add(v1, vf1);
vector signed int vo2 = vec_add(v2, vf2);
vector signed int vo1_V = vec_add(v1_V, vf1_V);
vector signed int vo2_V = vec_add(v2_V, vf2_V);
vec_st(vo1, offset, u);
vec_st(vo2, offset + 16, u);
vec_st(vo1_V, offset, v);
vec_st(vo2_V, offset + 16, v);
l1 = l2;
l1_V = l2_V;
}
for ( ; i < chrDstW; i++) {
u[i] += chrSrc[j][i] * chrFilter[j];
v[i] += chrSrc[j][i + 2048] * chrFilter[j];
}
}
altivec_packIntArrayToCharArray(u,uDest,chrDstW);
altivec_packIntArrayToCharArray(v,vDest,chrDstW);
}
}

View File

@ -59,6 +59,10 @@
#define MOVNTQ(a,b) "movq " #a ", " #b " \n\t"
#endif
#ifdef HAVE_ALTIVEC
#include "swscale_altivec_template.c"
#endif
#define YSCALEYUV2YV12X(x, offset) \
"xorl %%eax, %%eax \n\t"\
"movq "VROUNDER_OFFSET"(%0), %%mm3\n\t"\
@ -766,9 +770,15 @@ static inline void RENAME(yuv2yuvX)(SwsContext *c, int16_t *lumFilter, int16_t *
: "%eax", "%edx", "%esi"
);
#else
#ifdef HAVE_ALTIVEC
yuv2yuvX_altivec_real(lumFilter, lumSrc, lumFilterSize,
chrFilter, chrSrc, chrFilterSize,
dest, uDest, vDest, dstW, chrDstW);
#else //HAVE_ALTIVEC
yuv2yuvXinC(lumFilter, lumSrc, lumFilterSize,
chrFilter, chrSrc, chrFilterSize,
dest, uDest, vDest, dstW, chrDstW);
#endif //!HAVE_ALTIVEC
#endif
}