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
121
122
|
/*
* Mesa 3-D graphics library
* Version: 5.1
*
* 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 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.
*/
/*
* Matrix/vertex/vector transformation stuff
*
*
* NOTES:
* 1. 4x4 transformation matrices are stored in memory in column major order.
* 2. Points/vertices are to be thought of as column vectors.
* 3. Transformation of a point p by a matrix M is: p' = M * p
*/
#include "main/glheader.h"
#include "main/macros.h"
#include "m_eval.h"
#include "m_matrix.h"
#include "m_translate.h"
#include "m_xform.h"
#ifdef DEBUG_MATH
#include "m_debug.h"
#endif
#ifdef USE_X86_ASM
#include "x86/common_x86_asm.h"
#endif
#ifdef USE_X86_64_ASM
#include "x86-64/x86-64.h"
#endif
#ifdef USE_SPARC_ASM
#include "sparc/sparc.h"
#endif
clip_func _mesa_clip_tab[5];
clip_func _mesa_clip_np_tab[5];
dotprod_func _mesa_dotprod_tab[5];
vec_copy_func _mesa_copy_tab[0x10];
normal_func _mesa_normal_tab[0xf];
transform_func *_mesa_transform_tab[5];
/* Raw data format used for:
* - Object-to-eye transform prior to culling, although this too
* could be culled under some circumstances.
* - Eye-to-clip transform (via the function above).
* - Cliptesting
* - And everything else too, if culling happens to be disabled.
*
* GH: It's used for everything now, as clipping/culling is done
* elsewhere (most often by the driver itself).
*/
#define TAG(x) x
#define TAG2(x,y) x##y
#define STRIDE_LOOP for ( i = 0 ; i < count ; i++, STRIDE_F(from, stride) )
#define LOOP for ( i = 0 ; i < n ; i++ )
#define ARGS
#include "m_xform_tmp.h"
#include "m_clip_tmp.h"
#include "m_norm_tmp.h"
#include "m_dotprod_tmp.h"
#include "m_copy_tmp.h"
#undef TAG
#undef TAG2
#undef LOOP
#undef ARGS
/*
* This is called only once. It initializes several tables with pointers
* to optimized transformation functions. This is where we can test for
* AMD 3Dnow! capability, Intel SSE, etc. and hook in the right code.
*/
void
_math_init_transformation( void )
{
init_c_transformations();
init_c_norm_transform();
init_c_cliptest();
init_copy0();
init_dotprod();
#ifdef DEBUG_MATH
_math_test_all_transform_functions( "default" );
_math_test_all_normal_transform_functions( "default" );
_math_test_all_cliptest_functions( "default" );
#endif
#ifdef USE_X86_ASM
_mesa_init_all_x86_transform_asm();
#elif defined( USE_SPARC_ASM )
_mesa_init_all_sparc_transform_asm();
#elif defined( USE_X86_64_ASM )
_mesa_init_all_x86_64_transform_asm();
#endif
}
|
