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176 lines
4.5 KiB
176 lines
4.5 KiB
;****************************************************************************** |
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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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