media/libtheora/lib/x86_vc/x86state.c

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1 /********************************************************************
2 * *
3 * THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. *
4 * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
5 * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
6 * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
7 * *
8 * THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 *
9 * by the Xiph.Org Foundation and contributors http://www.xiph.org/ *
10 * *
11 ********************************************************************
12
13 function:
14 last mod: $Id: x86state.c 17410 2010-09-21 21:53:48Z tterribe $
15
16 ********************************************************************/
17
18 #include "x86int.h"
19
20 #if defined(OC_X86_ASM)
21
22 /*This table has been modified from OC_FZIG_ZAG by baking a 4x4 transpose into
23 each quadrant of the destination.*/
24 static const unsigned char OC_FZIG_ZAG_MMX[128]={
25 0, 8, 1, 2, 9,16,24,17,
26 10, 3,32,11,18,25, 4,12,
27 5,26,19,40,33,34,41,48,
28 27, 6,13,20,28,21,14, 7,
29 56,49,42,35,43,50,57,36,
30 15,22,29,30,23,44,37,58,
31 51,59,38,45,52,31,60,53,
32 46,39,47,54,61,62,55,63,
33 64,64,64,64,64,64,64,64,
34 64,64,64,64,64,64,64,64,
35 64,64,64,64,64,64,64,64,
36 64,64,64,64,64,64,64,64,
37 64,64,64,64,64,64,64,64,
38 64,64,64,64,64,64,64,64,
39 64,64,64,64,64,64,64,64,
40 64,64,64,64,64,64,64,64,
41 };
42
43 void oc_state_accel_init_x86(oc_theora_state *_state){
44 _state->cpu_flags=oc_cpu_flags_get();
45 if(_state->cpu_flags&OC_CPU_X86_MMX){
46 _state->opt_vtable.frag_copy=oc_frag_copy_mmx;
47 _state->opt_vtable.frag_copy_list=oc_frag_copy_list_mmx;
48 _state->opt_vtable.frag_recon_intra=oc_frag_recon_intra_mmx;
49 _state->opt_vtable.frag_recon_inter=oc_frag_recon_inter_mmx;
50 _state->opt_vtable.frag_recon_inter2=oc_frag_recon_inter2_mmx;
51 _state->opt_vtable.idct8x8=oc_idct8x8_mmx;
52 _state->opt_vtable.state_frag_recon=oc_state_frag_recon_mmx;
53 _state->opt_vtable.loop_filter_init=oc_loop_filter_init_mmx;
54 _state->opt_vtable.state_loop_filter_frag_rows=
55 oc_state_loop_filter_frag_rows_mmx;
56 _state->opt_vtable.restore_fpu=oc_restore_fpu_mmx;
57 _state->opt_data.dct_fzig_zag=OC_FZIG_ZAG_MMX;
58 }
59 else oc_state_accel_init_c(_state);
60 }
61 #endif

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