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: $Id$
15 
16  ********************************************************************/
17 
18 #include "x86int.h"
19 
20 #if defined(OC_X86_ASM)
21 
22 #if defined(OC_STATE_USE_VTABLE)
23 /*This table has been modified from OC_FZIG_ZAG by baking a 4x4 transpose into
24    each quadrant of the destination.*/
25 static const unsigned char OC_FZIG_ZAG_MMX[128]={
26    0, 8, 1, 2, 9,16,24,17,
27   10, 3,32,11,18,25, 4,12,
28    5,26,19,40,33,34,41,48,
29   27, 6,13,20,28,21,14, 7,
30   56,49,42,35,43,50,57,36,
31   15,22,29,30,23,44,37,58,
32   51,59,38,45,52,31,60,53,
33   46,39,47,54,61,62,55,63,
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   64,64,64,64,64,64,64,64
42 };
43 #endif
44 
45 /*This table has been modified from OC_FZIG_ZAG by baking an 8x8 transpose into
46    the destination.*/
47 static const unsigned char OC_FZIG_ZAG_SSE2[128]={
48    0, 8, 1, 2, 9,16,24,17,
49   10, 3, 4,11,18,25,32,40,
50   33,26,19,12, 5, 6,13,20,
51   27,34,41,48,56,49,42,35,
52   28,21,14, 7,15,22,29,36,
53   43,50,57,58,51,44,37,30,
54   23,31,38,45,52,59,60,53,
55   46,39,47,54,61,62,55,63,
56   64,64,64,64,64,64,64,64,
57   64,64,64,64,64,64,64,64,
58   64,64,64,64,64,64,64,64,
59   64,64,64,64,64,64,64,64,
60   64,64,64,64,64,64,64,64,
61   64,64,64,64,64,64,64,64,
62   64,64,64,64,64,64,64,64,
63   64,64,64,64,64,64,64,64
64 };
65 
oc_state_accel_init_x86(oc_theora_state * _state)66 void oc_state_accel_init_x86(oc_theora_state *_state){
67   oc_state_accel_init_c(_state);
68   _state->cpu_flags=oc_cpu_flags_get();
69 # if defined(OC_STATE_USE_VTABLE)
70   if(_state->cpu_flags&OC_CPU_X86_MMX){
71     _state->opt_vtable.frag_copy=oc_frag_copy_mmx;
72     _state->opt_vtable.frag_copy_list=oc_frag_copy_list_mmx;
73     _state->opt_vtable.frag_recon_intra=oc_frag_recon_intra_mmx;
74     _state->opt_vtable.frag_recon_inter=oc_frag_recon_inter_mmx;
75     _state->opt_vtable.frag_recon_inter2=oc_frag_recon_inter2_mmx;
76     _state->opt_vtable.idct8x8=oc_idct8x8_mmx;
77     _state->opt_vtable.state_frag_recon=oc_state_frag_recon_mmx;
78     _state->opt_vtable.loop_filter_init=oc_loop_filter_init_mmx;
79     _state->opt_vtable.state_loop_filter_frag_rows=
80      oc_state_loop_filter_frag_rows_mmx;
81     _state->opt_vtable.restore_fpu=oc_restore_fpu_mmx;
82     _state->opt_data.dct_fzig_zag=OC_FZIG_ZAG_MMX;
83   }
84   if(_state->cpu_flags&OC_CPU_X86_MMXEXT){
85     _state->opt_vtable.loop_filter_init=oc_loop_filter_init_mmxext;
86     _state->opt_vtable.state_loop_filter_frag_rows=
87      oc_state_loop_filter_frag_rows_mmxext;
88   }
89   if(_state->cpu_flags&OC_CPU_X86_SSE2){
90     _state->opt_vtable.idct8x8=oc_idct8x8_sse2;
91 # endif
92     _state->opt_data.dct_fzig_zag=OC_FZIG_ZAG_SSE2;
93 # if defined(OC_STATE_USE_VTABLE)
94   }
95 # endif
96 }
97 #endif
98