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;******************************************************************************
;* SIMD-optimized fullpel functions
;* Copyright (c) 2008 Loren Merritt
;* Copyright (c) 2003-2013 Michael Niedermayer
;* Copyright (c) 2013 Daniel Kang
;*
;* This file is part of FFmpeg.
;*
;* FFmpeg 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.
;*
;* FFmpeg 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 FFmpeg; if not, write to the Free Software
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************
%include "libavutil/x86/x86util.asm"
SECTION .text
%macro PAVGB_MMX 4
LOAD %3, %1
por %3, %2
pxor %2, %1
pand %2, %4
psrlq %2, 1
psubb %3, %2
SWAP %2, %3
%endmacro
; void ff_put/avg_pixels(uint8_t *block, const uint8_t *pixels,
; ptrdiff_t line_size, int h)
%macro OP_PIXELS 2
%if %2 == mmsize/2
%define LOAD movh
%define SAVE movh
%define LEN mmsize
%else
%define LOAD movu
%define SAVE mova
%define LEN %2
%endif
cglobal %1_pixels%2, 4,5,4
lea r4, [r2*3]
%ifidn %1, avg
%if notcpuflag(mmxext)
pcmpeqd m6, m6
paddb m6, m6
%endif
%endif
.loop:
%assign %%i 0
%rep LEN/mmsize
LOAD m0, [r1 + %%i]
LOAD m1, [r1+r2 + %%i]
LOAD m2, [r1+r2*2 + %%i]
LOAD m3, [r1+r4 + %%i]
%ifidn %1, avg
%if notcpuflag(mmxext)
PAVGB_MMX [r0 + %%i], m0, m4, m6
PAVGB_MMX [r0+r2 + %%i], m1, m5, m6
PAVGB_MMX [r0+r2*2 + %%i], m2, m4, m6
PAVGB_MMX [r0+r4 + %%i], m3, m5, m6
%else
pavgb m0, [r0 + %%i]
pavgb m1, [r0+r2 + %%i]
pavgb m2, [r0+r2*2 + %%i]
pavgb m3, [r0+r4 + %%i]
%endif
%endif
SAVE [r0 + %%i], m0
SAVE [r0+r2 + %%i], m1
SAVE [r0+r2*2 + %%i], m2
SAVE [r0+r4 + %%i], m3
%assign %%i %%i+mmsize
%endrep
sub r3d, 4
lea r1, [r1+r2*4]
lea r0, [r0+r2*4]
jne .loop
RET
%endmacro
INIT_MMX mmx
OP_PIXELS put, 4
OP_PIXELS put, 8
OP_PIXELS avg, 8
OP_PIXELS put, 16
OP_PIXELS avg, 16
INIT_MMX mmxext
OP_PIXELS avg, 4
OP_PIXELS avg, 8
OP_PIXELS avg, 16
INIT_XMM sse2
OP_PIXELS put, 16
OP_PIXELS avg, 16
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