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112 lines
3.1 KiB
NASM
112 lines
3.1 KiB
NASM
;******************************************************************************
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;* SIMD-optimized halfpel functions for VP3
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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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; void ff_put_no_rnd_pixels8_x2_exact(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
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%macro PUT_NO_RND_PIXELS8_X2_EXACT 0
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cglobal put_no_rnd_pixels8_x2_exact, 4,5
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lea r4, [r2*3]
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pcmpeqb m6, m6
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.loop:
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mova m0, [r1]
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mova m2, [r1+r2]
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mova m1, [r1+1]
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mova m3, [r1+r2+1]
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pxor m0, m6
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pxor m2, m6
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pxor m1, m6
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pxor m3, m6
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PAVGB m0, m1
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PAVGB m2, m3
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pxor m0, m6
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pxor m2, m6
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mova [r0], m0
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mova [r0+r2], m2
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mova m0, [r1+r2*2]
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mova m1, [r1+r2*2+1]
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mova m2, [r1+r4]
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mova m3, [r1+r4+1]
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pxor m0, m6
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pxor m1, m6
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pxor m2, m6
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pxor m3, m6
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PAVGB m0, m1
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PAVGB m2, m3
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pxor m0, m6
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pxor m2, m6
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mova [r0+r2*2], m0
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mova [r0+r4], m2
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lea r1, [r1+r2*4]
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lea r0, [r0+r2*4]
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sub r3d, 4
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jg .loop
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REP_RET
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%endmacro
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INIT_MMX mmxext
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PUT_NO_RND_PIXELS8_X2_EXACT
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INIT_MMX 3dnow
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PUT_NO_RND_PIXELS8_X2_EXACT
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; void ff_put_no_rnd_pixels8_y2_exact(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
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%macro PUT_NO_RND_PIXELS8_Y2_EXACT 0
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cglobal put_no_rnd_pixels8_y2_exact, 4,5
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lea r4, [r2*3]
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mova m0, [r1]
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pcmpeqb m6, m6
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add r1, r2
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pxor m0, m6
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.loop:
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mova m1, [r1]
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mova m2, [r1+r2]
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pxor m1, m6
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pxor m2, m6
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PAVGB m0, m1
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PAVGB m1, m2
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pxor m0, m6
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pxor m1, m6
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mova [r0], m0
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mova [r0+r2], m1
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mova m1, [r1+r2*2]
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mova m0, [r1+r4]
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pxor m1, m6
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pxor m0, m6
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PAVGB m2, m1
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PAVGB m1, m0
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pxor m2, m6
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pxor m1, m6
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mova [r0+r2*2], m2
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mova [r0+r4], m1
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lea r1, [r1+r2*4]
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lea r0, [r0+r2*4]
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sub r3d, 4
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jg .loop
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REP_RET
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%endmacro
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INIT_MMX mmxext
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PUT_NO_RND_PIXELS8_Y2_EXACT
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INIT_MMX 3dnow
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PUT_NO_RND_PIXELS8_Y2_EXACT
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