mirror of
https://git.ffmpeg.org/ffmpeg.git
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166 lines
5.6 KiB
NASM
166 lines
5.6 KiB
NASM
;******************************************************************************
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;* Pixel utilities SIMD
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;*
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;* Copyright (C) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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;* Copyright (C) 2014 Clément Bœsch <u pkh me>
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;*
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;* This file is part of FFmpeg.
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;*
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;* FFmpeg is free software; you can redistribute it and/or
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;* modify it under the terms of the GNU Lesser General Public
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;* License as published by the Free Software Foundation; either
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;* version 2.1 of the License, or (at your option) any later version.
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;*
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;* FFmpeg is distributed in the hope that it will be useful,
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;* but WITHOUT ANY WARRANTY; without even the implied warranty of
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;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;* Lesser General Public License for more details.
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;*
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;* You should have received a copy of the GNU Lesser General Public
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;* License along with FFmpeg; if not, write to the Free Software
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;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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;******************************************************************************
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%include "x86util.asm"
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SECTION_TEXT
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;-------------------------------------------------------------------------------
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; int ff_pixelutils_sad_8x8_mmx(const uint8_t *src1, ptrdiff_t stride1,
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; const uint8_t *src2, ptrdiff_t stride2);
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;-------------------------------------------------------------------------------
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INIT_MMX mmx
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cglobal pixelutils_sad_8x8, 4,4,0, src1, stride1, src2, stride2
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pxor m7, m7
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pxor m6, m6
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%rep 4
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mova m0, [src1q]
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mova m2, [src1q + stride1q]
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mova m1, [src2q]
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mova m3, [src2q + stride2q]
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psubusb m4, m0, m1
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psubusb m5, m2, m3
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psubusb m1, m0
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psubusb m3, m2
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por m1, m4
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por m3, m5
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punpcklbw m0, m1, m7
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punpcklbw m2, m3, m7
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punpckhbw m1, m7
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punpckhbw m3, m7
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paddw m0, m1
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paddw m2, m3
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paddw m0, m2
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paddw m6, m0
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lea src1q, [src1q + 2*stride1q]
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lea src2q, [src2q + 2*stride2q]
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%endrep
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psrlq m0, m6, 32
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paddw m6, m0
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psrlq m0, m6, 16
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paddw m6, m0
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movd eax, m6
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movzx eax, ax
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RET
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;-------------------------------------------------------------------------------
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; int ff_pixelutils_sad_8x8_mmxext(const uint8_t *src1, ptrdiff_t stride1,
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; const uint8_t *src2, ptrdiff_t stride2);
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;-------------------------------------------------------------------------------
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INIT_MMX mmxext
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cglobal pixelutils_sad_8x8, 4,4,0, src1, stride1, src2, stride2
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pxor m2, m2
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%rep 4
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mova m0, [src1q]
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mova m1, [src1q + stride1q]
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psadbw m0, [src2q]
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psadbw m1, [src2q + stride2q]
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paddw m2, m0
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paddw m2, m1
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lea src1q, [src1q + 2*stride1q]
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lea src2q, [src2q + 2*stride2q]
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%endrep
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movd eax, m2
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RET
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;-------------------------------------------------------------------------------
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; int ff_pixelutils_sad_16x16_mmxext(const uint8_t *src1, ptrdiff_t stride1,
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; const uint8_t *src2, ptrdiff_t stride2);
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;-------------------------------------------------------------------------------
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INIT_MMX mmxext
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cglobal pixelutils_sad_16x16, 4,4,0, src1, stride1, src2, stride2
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pxor m2, m2
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%rep 16
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mova m0, [src1q]
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mova m1, [src1q + 8]
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psadbw m0, [src2q]
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psadbw m1, [src2q + 8]
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paddw m2, m0
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paddw m2, m1
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add src1q, stride1q
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add src2q, stride2q
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%endrep
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movd eax, m2
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RET
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;-------------------------------------------------------------------------------
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; int ff_pixelutils_sad_16x16_sse(const uint8_t *src1, ptrdiff_t stride1,
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; const uint8_t *src2, ptrdiff_t stride2);
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;-------------------------------------------------------------------------------
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INIT_XMM sse2
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cglobal pixelutils_sad_16x16, 4,4,5, src1, stride1, src2, stride2
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movu m4, [src1q]
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movu m2, [src2q]
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movu m1, [src1q + stride1q]
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movu m3, [src2q + stride2q]
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psadbw m4, m2
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psadbw m1, m3
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paddw m4, m1
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%rep 7
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lea src1q, [src1q + 2*stride1q]
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lea src2q, [src2q + 2*stride2q]
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movu m0, [src1q]
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movu m2, [src2q]
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movu m1, [src1q + stride1q]
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movu m3, [src2q + stride2q]
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psadbw m0, m2
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psadbw m1, m3
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paddw m4, m0
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paddw m4, m1
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%endrep
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movhlps m0, m4
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paddw m4, m0
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movd eax, m4
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RET
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;-------------------------------------------------------------------------------
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; int ff_pixelutils_sad_[au]_16x16_sse(const uint8_t *src1, ptrdiff_t stride1,
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; const uint8_t *src2, ptrdiff_t stride2);
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;-------------------------------------------------------------------------------
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%macro SAD_XMM_16x16 1
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INIT_XMM sse2
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cglobal pixelutils_sad_%1_16x16, 4,4,3, src1, stride1, src2, stride2
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mov%1 m2, [src2q]
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psadbw m2, [src1q]
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mov%1 m1, [src2q + stride2q]
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psadbw m1, [src1q + stride1q]
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paddw m2, m1
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%rep 7
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lea src1q, [src1q + 2*stride1q]
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lea src2q, [src2q + 2*stride2q]
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mov%1 m0, [src2q]
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psadbw m0, [src1q]
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mov%1 m1, [src2q + stride2q]
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psadbw m1, [src1q + stride1q]
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paddw m2, m0
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paddw m2, m1
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%endrep
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movhlps m0, m2
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paddw m2, m0
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movd eax, m2
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RET
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%endmacro
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SAD_XMM_16x16 a
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SAD_XMM_16x16 u
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