1;******************************************************************************
2;* SIMD-optimized IDCT-related routines
3;* Copyright (c) 2008 Loren Merritt
4;* Copyright (c) 2003-2013 Michael Niedermayer
5;* Copyright (c) 2013 Daniel Kang
6;*
7;* This file is part of FFmpeg.
8;*
9;* FFmpeg is free software; you can redistribute it and/or
10;* modify it under the terms of the GNU Lesser General Public
11;* License as published by the Free Software Foundation; either
12;* version 2.1 of the License, or (at your option) any later version.
13;*
14;* FFmpeg is distributed in the hope that it will be useful,
15;* but WITHOUT ANY WARRANTY; without even the implied warranty of
16;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17;* Lesser General Public License for more details.
18;*
19;* You should have received a copy of the GNU Lesser General Public
20;* License along with FFmpeg; if not, write to the Free Software
21;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22;******************************************************************************
23
24%include "libavutil/x86/x86util.asm"
25
26SECTION_RODATA
27
28cextern pb_80
29
30SECTION_TEXT
31
32;--------------------------------------------------------------------------
33;void ff_put_signed_pixels_clamped(const int16_t *block, uint8_t *pixels,
34;                                  int line_size)
35;--------------------------------------------------------------------------
36
37%macro PUT_SIGNED_PIXELS_CLAMPED_HALF 1
38    mova     m1, [blockq+mmsize*0+%1]
39    mova     m2, [blockq+mmsize*2+%1]
40%if mmsize == 8
41    mova     m3, [blockq+mmsize*4+%1]
42    mova     m4, [blockq+mmsize*6+%1]
43%endif
44    packsswb m1, [blockq+mmsize*1+%1]
45    packsswb m2, [blockq+mmsize*3+%1]
46%if mmsize == 8
47    packsswb m3, [blockq+mmsize*5+%1]
48    packsswb m4, [blockq+mmsize*7+%1]
49%endif
50    paddb    m1, m0
51    paddb    m2, m0
52%if mmsize == 8
53    paddb    m3, m0
54    paddb    m4, m0
55    movq     [pixelsq+lsizeq*0], m1
56    movq     [pixelsq+lsizeq*1], m2
57    movq     [pixelsq+lsizeq*2], m3
58    movq     [pixelsq+lsize3q ], m4
59%else
60    movq     [pixelsq+lsizeq*0], m1
61    movhps   [pixelsq+lsizeq*1], m1
62    movq     [pixelsq+lsizeq*2], m2
63    movhps   [pixelsq+lsize3q ], m2
64%endif
65%endmacro
66
67%macro PUT_SIGNED_PIXELS_CLAMPED 1
68cglobal put_signed_pixels_clamped, 3, 4, %1, block, pixels, lsize, lsize3
69    mova     m0, [pb_80]
70    lea      lsize3q, [lsizeq*3]
71    PUT_SIGNED_PIXELS_CLAMPED_HALF 0
72    lea      pixelsq, [pixelsq+lsizeq*4]
73    PUT_SIGNED_PIXELS_CLAMPED_HALF 64
74    RET
75%endmacro
76
77INIT_MMX mmx
78PUT_SIGNED_PIXELS_CLAMPED 0
79INIT_XMM sse2
80PUT_SIGNED_PIXELS_CLAMPED 3
81