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177 lines
4.5 KiB
177 lines
4.5 KiB
12 years ago
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;******************************************************************************
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;* MMX optimized DSP utils
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;* Copyright (c) 2008 Loren Merritt
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;* Copyright (c) 2003-2013 Michael Niedermayer
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;* Copyright (c) 2013 Daniel Kang
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;*
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;* This file is part of Libav.
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;*
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;* Libav 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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;* Libav 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 Libav; 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 "libavutil/x86/x86util.asm"
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SECTION .text
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%macro op_avgh 3
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movh %3, %2
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pavgb %1, %3
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movh %2, %1
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%endmacro
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%macro op_avg 2
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pavgb %1, %2
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mova %2, %1
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%endmacro
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%macro op_puth 2-3
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movh %2, %1
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%endmacro
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%macro op_put 2
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mova %2, %1
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%endmacro
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; void pixels4_l2_mmxext(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
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%macro PIXELS4_L2 1
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%define OP op_%1h
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cglobal %1_pixels4_l2, 6,6
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movsxdifnidn r3, r3d
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movsxdifnidn r4, r4d
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test r5d, 1
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je .loop
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movd m0, [r1]
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movd m1, [r2]
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add r1, r4
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add r2, 4
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pavgb m0, m1
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OP m0, [r0], m3
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add r0, r3
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dec r5d
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.loop:
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mova m0, [r1]
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mova m1, [r1+r4]
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lea r1, [r1+2*r4]
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pavgb m0, [r2]
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pavgb m1, [r2+4]
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OP m0, [r0], m3
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OP m1, [r0+r3], m3
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lea r0, [r0+2*r3]
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mova m0, [r1]
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mova m1, [r1+r4]
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lea r1, [r1+2*r4]
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pavgb m0, [r2+8]
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pavgb m1, [r2+12]
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OP m0, [r0], m3
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OP m1, [r0+r3], m3
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lea r0, [r0+2*r3]
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add r2, 16
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sub r5d, 4
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jne .loop
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REP_RET
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%endmacro
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INIT_MMX mmxext
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PIXELS4_L2 put
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PIXELS4_L2 avg
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; void pixels8_l2_mmxext(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
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%macro PIXELS8_L2 1
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%define OP op_%1
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cglobal %1_pixels8_l2, 6,6
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movsxdifnidn r3, r3d
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movsxdifnidn r4, r4d
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test r5d, 1
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je .loop
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mova m0, [r1]
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mova m1, [r2]
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add r1, r4
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add r2, 8
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pavgb m0, m1
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OP m0, [r0]
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add r0, r3
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dec r5d
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.loop:
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mova m0, [r1]
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mova m1, [r1+r4]
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lea r1, [r1+2*r4]
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pavgb m0, [r2]
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pavgb m1, [r2+8]
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OP m0, [r0]
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OP m1, [r0+r3]
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lea r0, [r0+2*r3]
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mova m0, [r1]
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mova m1, [r1+r4]
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lea r1, [r1+2*r4]
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pavgb m0, [r2+16]
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pavgb m1, [r2+24]
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OP m0, [r0]
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OP m1, [r0+r3]
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lea r0, [r0+2*r3]
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add r2, 32
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sub r5d, 4
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jne .loop
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REP_RET
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%endmacro
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INIT_MMX mmxext
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PIXELS8_L2 put
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PIXELS8_L2 avg
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; void pixels16_l2_mmxext(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
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%macro PIXELS16_L2 1
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%define OP op_%1
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cglobal %1_pixels16_l2, 6,6
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movsxdifnidn r3, r3d
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movsxdifnidn r4, r4d
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test r5d, 1
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je .loop
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mova m0, [r1]
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mova m1, [r1+8]
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pavgb m0, [r2]
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pavgb m1, [r2+8]
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add r1, r4
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add r2, 16
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OP m0, [r0]
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OP m1, [r0+8]
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add r0, r3
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dec r5d
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.loop:
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mova m0, [r1]
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mova m1, [r1+8]
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add r1, r4
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pavgb m0, [r2]
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pavgb m1, [r2+8]
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OP m0, [r0]
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OP m1, [r0+8]
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add r0, r3
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mova m0, [r1]
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mova m1, [r1+8]
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add r1, r4
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pavgb m0, [r2+16]
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pavgb m1, [r2+24]
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OP m0, [r0]
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OP m1, [r0+8]
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add r0, r3
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add r2, 32
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sub r5d, 2
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jne .loop
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REP_RET
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%endmacro
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INIT_MMX mmxext
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PIXELS16_L2 put
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PIXELS16_L2 avg
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