1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
/*
* Mesa 3-D graphics library
* Version: 6.3
*
* Copyright (C) 1999-2003 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* x86-64 optimizations shamelessy converted from x86/sse/3dnow assembly by
* Mikko Tiihonen
*/
#ifdef USE_X86_64_ASM
#include "main/glheader.h"
#include "main/context.h"
#include "math/m_xform.h"
#include "tnl/t_context.h"
#include "x86-64.h"
#include "../x86/x86_xform.h"
#ifdef DEBUG
#include "math/m_debug.h"
#endif
extern void _mesa_x86_64_cpuid(unsigned int *regs);
DECLARE_XFORM_GROUP( x86_64, 4 )
DECLARE_XFORM_GROUP( 3dnow, 4 )
#else
/* just to silence warning below */
#include "x86-64.h"
#endif
/*
extern void _mesa_x86_64_transform_points4_general( XFORM_ARGS );
extern void _mesa_x86_64_transform_points4_identity( XFORM_ARGS );
extern void _mesa_x86_64_transform_points4_perspective( XFORM_ARGS );
extern void _mesa_x86_64_transform_points4_3d( XFORM_ARGS );
extern void _mesa_x86_64_transform_points4_3d_no_rot( XFORM_ARGS );
extern void _mesa_x86_64_transform_points4_2d_no_rot( XFORM_ARGS );
extern void _mesa_x86_64_transform_points4_2d( XFORM_ARGS );
*/
#ifdef USE_X86_64_ASM
static void message( const char *msg )
{
if (_mesa_getenv("MESA_DEBUG")) {
_mesa_debug( NULL, "%s", msg );
}
}
#endif
void _mesa_init_all_x86_64_transform_asm(void)
{
#ifdef USE_X86_64_ASM
unsigned int regs[4];
if ( _mesa_getenv( "MESA_NO_ASM" ) ) {
return;
}
message("Initializing x86-64 optimizations\n");
_mesa_transform_tab[4][MATRIX_GENERAL] =
_mesa_x86_64_transform_points4_general;
_mesa_transform_tab[4][MATRIX_IDENTITY] =
_mesa_x86_64_transform_points4_identity;
_mesa_transform_tab[4][MATRIX_3D] =
_mesa_x86_64_transform_points4_3d;
regs[0] = 0x80000001;
regs[1] = 0x00000000;
regs[2] = 0x00000000;
regs[3] = 0x00000000;
_mesa_x86_64_cpuid(regs);
if (regs[3] & (1U << 31)) {
message("3Dnow! detected\n");
_mesa_transform_tab[4][MATRIX_3D_NO_ROT] =
_mesa_3dnow_transform_points4_3d_no_rot;
_mesa_transform_tab[4][MATRIX_PERSPECTIVE] =
_mesa_3dnow_transform_points4_perspective;
_mesa_transform_tab[4][MATRIX_2D_NO_ROT] =
_mesa_3dnow_transform_points4_2d_no_rot;
_mesa_transform_tab[4][MATRIX_2D] =
_mesa_3dnow_transform_points4_2d;
}
#ifdef DEBUG_MATH
_math_test_all_transform_functions("x86_64");
_math_test_all_cliptest_functions("x86_64");
_math_test_all_normal_transform_functions("x86_64");
#endif
#endif
}
|
