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png: move DSP functions to their own DSP context.

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This commit is contained in:
Ronald S. Bultje 2012-01-27 23:00:36 +08:00
parent f9708e9a0e
commit e92003514d
9 changed files with 230 additions and 127 deletions
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1
libavcodec/x86/Makefile
View file

@ -42,6 +42,7 @@ MMX-OBJS-$(CONFIG_ENCODERS) += x86/dsputilenc_mmx.o
YASM-OBJS-$(CONFIG_ENCODERS) += x86/dsputilenc_yasm.o
MMX-OBJS-$(CONFIG_GPL) += x86/idct_mmx.o
MMX-OBJS-$(CONFIG_LPC) += x86/lpc_mmx.o
MMX-OBJS-$(CONFIG_PNG_DECODER) += x86/pngdsp-init.o
YASM-OBJS-$(CONFIG_PRORES_DECODER) += x86/proresdsp.o
MMX-OBJS-$(CONFIG_PRORES_DECODER) += x86/proresdsp-init.o
MMX-OBJS-$(CONFIG_DWT) += x86/snowdsp_mmx.o

102
libavcodec/x86/dsputil_mmx.c
View file

@ -582,28 +582,6 @@ static void add_bytes_mmx(uint8_t *dst, uint8_t *src, int w){
dst[i+0] += src[i+0];
}
static void add_bytes_l2_mmx(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w){
x86_reg i=0;
__asm__ volatile(
"jmp 2f \n\t"
"1: \n\t"
"movq (%2, %0), %%mm0 \n\t"
"movq 8(%2, %0), %%mm1 \n\t"
"paddb (%3, %0), %%mm0 \n\t"
"paddb 8(%3, %0), %%mm1 \n\t"
"movq %%mm0, (%1, %0) \n\t"
"movq %%mm1, 8(%1, %0) \n\t"
"add $16, %0 \n\t"
"2: \n\t"
"cmp %4, %0 \n\t"
" js 1b \n\t"
: "+r" (i)
: "r"(dst), "r"(src1), "r"(src2), "r"((x86_reg)w-15)
);
for(; i<w; i++)
dst[i] = src1[i] + src2[i];
}
#if HAVE_7REGS
static void add_hfyu_median_prediction_cmov(uint8_t *dst, const uint8_t *top, const uint8_t *diff, int w, int *left, int *left_top) {
x86_reg w2 = -w;
@ -879,80 +857,6 @@ static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height, int w,
}
}
#define PAETH(cpu, abs3)\
static void add_png_paeth_prediction_##cpu(uint8_t *dst, uint8_t *src, uint8_t *top, int w, int bpp)\
{\
x86_reg i = -bpp;\
x86_reg end = w-3;\
__asm__ volatile(\
"pxor %%mm7, %%mm7 \n"\
"movd (%1,%0), %%mm0 \n"\
"movd (%2,%0), %%mm1 \n"\
"punpcklbw %%mm7, %%mm0 \n"\
"punpcklbw %%mm7, %%mm1 \n"\
"add %4, %0 \n"\
"1: \n"\
"movq %%mm1, %%mm2 \n"\
"movd (%2,%0), %%mm1 \n"\
"movq %%mm2, %%mm3 \n"\
"punpcklbw %%mm7, %%mm1 \n"\
"movq %%mm2, %%mm4 \n"\
"psubw %%mm1, %%mm3 \n"\
"psubw %%mm0, %%mm4 \n"\
"movq %%mm3, %%mm5 \n"\
"paddw %%mm4, %%mm5 \n"\
abs3\
"movq %%mm4, %%mm6 \n"\
"pminsw %%mm5, %%mm6 \n"\
"pcmpgtw %%mm6, %%mm3 \n"\
"pcmpgtw %%mm5, %%mm4 \n"\
"movq %%mm4, %%mm6 \n"\
"pand %%mm3, %%mm4 \n"\
"pandn %%mm3, %%mm6 \n"\
"pandn %%mm0, %%mm3 \n"\
"movd (%3,%0), %%mm0 \n"\
"pand %%mm1, %%mm6 \n"\
"pand %%mm4, %%mm2 \n"\
"punpcklbw %%mm7, %%mm0 \n"\
"movq %6, %%mm5 \n"\
"paddw %%mm6, %%mm0 \n"\
"paddw %%mm2, %%mm3 \n"\
"paddw %%mm3, %%mm0 \n"\
"pand %%mm5, %%mm0 \n"\
"movq %%mm0, %%mm3 \n"\
"packuswb %%mm3, %%mm3 \n"\
"movd %%mm3, (%1,%0) \n"\
"add %4, %0 \n"\
"cmp %5, %0 \n"\
"jle 1b \n"\
:"+r"(i)\
:"r"(dst), "r"(top), "r"(src), "r"((x86_reg)bpp), "g"(end),\
"m"(ff_pw_255)\
:"memory"\
);\
}
#define ABS3_MMX2\
"psubw %%mm5, %%mm7 \n"\
"pmaxsw %%mm7, %%mm5 \n"\
"pxor %%mm6, %%mm6 \n"\
"pxor %%mm7, %%mm7 \n"\
"psubw %%mm3, %%mm6 \n"\
"psubw %%mm4, %%mm7 \n"\
"pmaxsw %%mm6, %%mm3 \n"\
"pmaxsw %%mm7, %%mm4 \n"\
"pxor %%mm7, %%mm7 \n"
#define ABS3_SSSE3\
"pabsw %%mm3, %%mm3 \n"\
"pabsw %%mm4, %%mm4 \n"\
"pabsw %%mm5, %%mm5 \n"
PAETH(mmx2, ABS3_MMX2)
#if HAVE_SSSE3
PAETH(ssse3, ABS3_SSSE3)
#endif
#define QPEL_V_LOW(m3,m4,m5,m6, pw_20, pw_3, rnd, in0, in1, in2, in7, out, OP)\
"paddw " #m4 ", " #m3 " \n\t" /* x1 */\
"movq "MANGLE(ff_pw_20)", %%mm4 \n\t" /* 20 */\
@ -2552,7 +2456,6 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
#endif
c->add_bytes= add_bytes_mmx;
c->add_bytes_l2= add_bytes_l2_mmx;
if (!high_bit_depth)
c->draw_edges = draw_edges_mmx;
@ -2686,8 +2589,6 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
if (HAVE_AMD3DNOW && (mm_flags & AV_CPU_FLAG_3DNOW))
c->add_hfyu_median_prediction = add_hfyu_median_prediction_cmov;
#endif
c->add_png_paeth_prediction= add_png_paeth_prediction_mmx2;
} else if (HAVE_AMD3DNOW && (mm_flags & AV_CPU_FLAG_3DNOW)) {
c->prefetch = prefetch_3dnow;
@ -2826,9 +2727,6 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
H264_QPEL_FUNCS_10(2, 0, ssse3_cache64)
H264_QPEL_FUNCS_10(3, 0, ssse3_cache64)
}
#endif
c->add_png_paeth_prediction= add_png_paeth_prediction_ssse3;
#if HAVE_YASM
if (!high_bit_depth && CONFIG_H264CHROMA) {
c->put_h264_chroma_pixels_tab[0]= ff_put_h264_chroma_mc8_ssse3_rnd;
c->avg_h264_chroma_pixels_tab[0]= ff_avg_h264_chroma_mc8_ssse3_rnd;

135
libavcodec/x86/pngdsp-init.c Normal file
View file

@ -0,0 +1,135 @@
/*
* x86 PNG optimizations.
* Copyright (c) 2008 Loren Merrit <lorenm@u.washington.edu>
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/cpu.h"
#include "libavutil/x86_cpu.h"
#include "libavcodec/pngdsp.h"
#include "dsputil_mmx.h"
#define PAETH(cpu, abs3)\
static void add_png_paeth_prediction_##cpu(uint8_t *dst, uint8_t *src, uint8_t *top, int w, int bpp)\
{\
x86_reg i = -bpp;\
x86_reg end = w-3;\
__asm__ volatile(\
"pxor %%mm7, %%mm7 \n"\
"movd (%1,%0), %%mm0 \n"\
"movd (%2,%0), %%mm1 \n"\
"punpcklbw %%mm7, %%mm0 \n"\
"punpcklbw %%mm7, %%mm1 \n"\
"add %4, %0 \n"\
"1: \n"\
"movq %%mm1, %%mm2 \n"\
"movd (%2,%0), %%mm1 \n"\
"movq %%mm2, %%mm3 \n"\
"punpcklbw %%mm7, %%mm1 \n"\
"movq %%mm2, %%mm4 \n"\
"psubw %%mm1, %%mm3 \n"\
"psubw %%mm0, %%mm4 \n"\
"movq %%mm3, %%mm5 \n"\
"paddw %%mm4, %%mm5 \n"\
abs3\
"movq %%mm4, %%mm6 \n"\
"pminsw %%mm5, %%mm6 \n"\
"pcmpgtw %%mm6, %%mm3 \n"\
"pcmpgtw %%mm5, %%mm4 \n"\
"movq %%mm4, %%mm6 \n"\
"pand %%mm3, %%mm4 \n"\
"pandn %%mm3, %%mm6 \n"\
"pandn %%mm0, %%mm3 \n"\
"movd (%3,%0), %%mm0 \n"\
"pand %%mm1, %%mm6 \n"\
"pand %%mm4, %%mm2 \n"\
"punpcklbw %%mm7, %%mm0 \n"\
"movq %6, %%mm5 \n"\
"paddw %%mm6, %%mm0 \n"\
"paddw %%mm2, %%mm3 \n"\
"paddw %%mm3, %%mm0 \n"\
"pand %%mm5, %%mm0 \n"\
"movq %%mm0, %%mm3 \n"\
"packuswb %%mm3, %%mm3 \n"\
"movd %%mm3, (%1,%0) \n"\
"add %4, %0 \n"\
"cmp %5, %0 \n"\
"jle 1b \n"\
:"+r"(i)\
:"r"(dst), "r"(top), "r"(src), "r"((x86_reg)bpp), "g"(end),\
"m"(ff_pw_255)\
:"memory"\
);\
}
#define ABS3_MMX2\
"psubw %%mm5, %%mm7 \n"\
"pmaxsw %%mm7, %%mm5 \n"\
"pxor %%mm6, %%mm6 \n"\
"pxor %%mm7, %%mm7 \n"\
"psubw %%mm3, %%mm6 \n"\
"psubw %%mm4, %%mm7 \n"\
"pmaxsw %%mm6, %%mm3 \n"\
"pmaxsw %%mm7, %%mm4 \n"\
"pxor %%mm7, %%mm7 \n"
#define ABS3_SSSE3\
"pabsw %%mm3, %%mm3 \n"\
"pabsw %%mm4, %%mm4 \n"\
"pabsw %%mm5, %%mm5 \n"
PAETH(mmx2, ABS3_MMX2)
#if HAVE_SSSE3
PAETH(ssse3, ABS3_SSSE3)
#endif
static void add_bytes_l2_mmx(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w)
{
x86_reg i=0;
__asm__ volatile(
"jmp 2f \n\t"
"1: \n\t"
"movq (%2, %0), %%mm0 \n\t"
"movq 8(%2, %0), %%mm1 \n\t"
"paddb (%3, %0), %%mm0 \n\t"
"paddb 8(%3, %0), %%mm1 \n\t"
"movq %%mm0, (%1, %0) \n\t"
"movq %%mm1, 8(%1, %0) \n\t"
"add $16, %0 \n\t"
"2: \n\t"
"cmp %4, %0 \n\t"
" js 1b \n\t"
: "+r" (i)
: "r"(dst), "r"(src1), "r"(src2), "r"((x86_reg) w - 15)
);
for (; i < w; i++)
dst[i] = src1[i] + src2[i];
}
void ff_pngdsp_init_x86(PNGDSPContext *dsp)
{
int flags = av_get_cpu_flags();
if (flags & AV_CPU_FLAG_MMX)
dsp->add_bytes_l2 = add_bytes_l2_mmx;
if (flags & AV_CPU_FLAG_MMX2)
dsp->add_paeth_prediction = add_png_paeth_prediction_mmx2;
if (flags & AV_CPU_FLAG_SSSE3)
dsp->add_paeth_prediction = add_png_paeth_prediction_ssse3;
}