1 : /*
2 : * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3 : *
4 : * Use of this source code is governed by a BSD-style license
5 : * that can be found in the LICENSE file in the root of the source
6 : * tree. An additional intellectual property rights grant can be found
7 : * in the file PATENTS. All contributing project authors may
8 : * be found in the AUTHORS file in the root of the source tree.
9 : */
10 :
11 :
12 : #include "vpx_ports/config.h"
13 : #include "vpx_ports/x86.h"
14 : #include "vp8/decoder/onyxd_int.h"
15 :
16 :
17 : #if HAVE_MMX
18 : void vp8_dequantize_b_impl_mmx(short *sq, short *dq, short *q);
19 :
20 0 : void vp8_dequantize_b_mmx(BLOCKD *d)
21 : {
22 0 : short *sq = (short *) d->qcoeff;
23 0 : short *dq = (short *) d->dqcoeff;
24 0 : short *q = (short *) d->dequant;
25 0 : vp8_dequantize_b_impl_mmx(sq, dq, q);
26 0 : }
27 : #endif
28 :
29 0 : void vp8_arch_x86_decode_init(VP8D_COMP *pbi)
30 : {
31 : #if CONFIG_RUNTIME_CPU_DETECT
32 0 : int flags = x86_simd_caps();
33 :
34 : /* Note:
35 : *
36 : * This platform can be built without runtime CPU detection as well. If
37 : * you modify any of the function mappings present in this file, be sure
38 : * to also update them in static mapings (<arch>/filename_<arch>.h)
39 : */
40 : /* Override default functions with fastest ones for this CPU. */
41 : #if HAVE_MMX
42 0 : if (flags & HAS_MMX)
43 : {
44 0 : pbi->dequant.block = vp8_dequantize_b_mmx;
45 0 : pbi->dequant.idct_add = vp8_dequant_idct_add_mmx;
46 0 : pbi->dequant.dc_idct_add = vp8_dequant_dc_idct_add_mmx;
47 0 : pbi->dequant.dc_idct_add_y_block = vp8_dequant_dc_idct_add_y_block_mmx;
48 0 : pbi->dequant.idct_add_y_block = vp8_dequant_idct_add_y_block_mmx;
49 0 : pbi->dequant.idct_add_uv_block = vp8_dequant_idct_add_uv_block_mmx;
50 : }
51 : #endif
52 : #if HAVE_SSE2
53 0 : if (flags & HAS_SSE2)
54 : {
55 0 : pbi->dequant.dc_idct_add_y_block = vp8_dequant_dc_idct_add_y_block_sse2;
56 0 : pbi->dequant.idct_add_y_block = vp8_dequant_idct_add_y_block_sse2;
57 0 : pbi->dequant.idct_add_uv_block = vp8_dequant_idct_add_uv_block_sse2;
58 : }
59 : #endif
60 :
61 : #endif
62 0 : }
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