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;******************************************************************************
;* SIMD-optimized IDCT-related routines
;* 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_RODATA
cextern pb_80
SECTION .text
;--------------------------------------------------------------------------
;void ff_put_signed_pixels_clamped(const int16_t *block, uint8_t *pixels,
; ptrdiff_t line_size)
;--------------------------------------------------------------------------
%macro PUT_SIGNED_PIXELS_CLAMPED_HALF 1
mova m1, [blockq+mmsize*0+%1]
mova m2, [blockq+mmsize*2+%1]
packsswb m1, [blockq+mmsize*1+%1]
packsswb m2, [blockq+mmsize*3+%1]
paddb m1, m0
paddb m2, m0
movq [pixelsq+lsizeq*0], m1
movhps [pixelsq+lsizeq*1], m1
movq [pixelsq+lsizeq*2], m2
movhps [pixelsq+lsize3q ], m2
%endmacro
INIT_XMM sse2
cglobal put_signed_pixels_clamped, 3, 4, 3, block, pixels, lsize, lsize3
mova m0, [pb_80]
lea lsize3q, [lsizeq*3]
PUT_SIGNED_PIXELS_CLAMPED_HALF 0
lea pixelsq, [pixelsq+lsizeq*4]
PUT_SIGNED_PIXELS_CLAMPED_HALF 64
RET
;--------------------------------------------------------------------------
; void ff_put_pixels_clamped(const int16_t *block, uint8_t *pixels,
; ptrdiff_t line_size);
;--------------------------------------------------------------------------
; %1 = block offset
%macro PUT_PIXELS_CLAMPED_HALF 1
mova m0, [blockq+mmsize*0+%1]
mova m1, [blockq+mmsize*2+%1]
packuswb m0, [blockq+mmsize*1+%1]
packuswb m1, [blockq+mmsize*3+%1]
movq [pixelsq], m0
movhps [lsizeq+pixelsq], m0
movq [2*lsizeq+pixelsq], m1
movhps [lsize3q+pixelsq], m1
%endmacro
INIT_XMM sse2
cglobal put_pixels_clamped, 3, 4, 2, block, pixels, lsize, lsize3
lea lsize3q, [lsizeq*3]
PUT_PIXELS_CLAMPED_HALF 0
lea pixelsq, [pixelsq+lsizeq*4]
PUT_PIXELS_CLAMPED_HALF 64
RET
;--------------------------------------------------------------------------
; void ff_add_pixels_clamped(const int16_t *block, uint8_t *pixels,
; ptrdiff_t line_size);
;--------------------------------------------------------------------------
; %1 = block offset
%macro ADD_PIXELS_CLAMPED 1
mova m0, [blockq+mmsize*0+%1]
mova m1, [blockq+mmsize*1+%1]
movq m2, [pixelsq]
movq m3, [pixelsq+lsizeq]
punpcklbw m2, m4
punpcklbw m3, m4
paddsw m0, m2
paddsw m1, m3
packuswb m0, m1
movq [pixelsq], m0
movhps [pixelsq+lsizeq], m0
%endmacro
INIT_XMM sse2
cglobal add_pixels_clamped, 3, 3, 5, block, pixels, lsize
pxor m4, m4
ADD_PIXELS_CLAMPED 0
lea pixelsq, [pixelsq+lsizeq*2]
ADD_PIXELS_CLAMPED 32
lea pixelsq, [pixelsq+lsizeq*2]
ADD_PIXELS_CLAMPED 64
lea pixelsq, [pixelsq+lsizeq*2]
ADD_PIXELS_CLAMPED 96
RET
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