Details | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
5564 | serge | 1 | /* |
2 | * Mesa 3-D graphics library |
||
3 | * |
||
4 | * Copyright (C) 1999-2003 Brian Paul All Rights Reserved. |
||
5 | * |
||
6 | * Permission is hereby granted, free of charge, to any person obtaining a |
||
7 | * copy of this software and associated documentation files (the "Software"), |
||
8 | * to deal in the Software without restriction, including without limitation |
||
9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
||
10 | * and/or sell copies of the Software, and to permit persons to whom the |
||
11 | * Software is furnished to do so, subject to the following conditions: |
||
12 | * |
||
13 | * The above copyright notice and this permission notice shall be included |
||
14 | * in all copies or substantial portions of the Software. |
||
15 | * |
||
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
||
17 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
||
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
||
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
||
20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
||
21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
||
22 | * OTHER DEALINGS IN THE SOFTWARE. |
||
23 | */ |
||
24 | |||
25 | |||
26 | /* |
||
27 | * Matrix/vertex/vector transformation stuff |
||
28 | * |
||
29 | * |
||
30 | * NOTES: |
||
31 | * 1. 4x4 transformation matrices are stored in memory in column major order. |
||
32 | * 2. Points/vertices are to be thought of as column vectors. |
||
33 | * 3. Transformation of a point p by a matrix M is: p' = M * p |
||
34 | */ |
||
35 | |||
36 | #include "c99_math.h" |
||
37 | #include "main/glheader.h" |
||
38 | #include "main/macros.h" |
||
39 | |||
40 | #include "m_eval.h" |
||
41 | #include "m_matrix.h" |
||
42 | #include "m_translate.h" |
||
43 | #include "m_xform.h" |
||
44 | |||
45 | |||
46 | #ifdef DEBUG_MATH |
||
47 | #include "m_debug.h" |
||
48 | #endif |
||
49 | |||
50 | #ifdef USE_X86_ASM |
||
51 | #include "x86/common_x86_asm.h" |
||
52 | #endif |
||
53 | |||
54 | #ifdef USE_X86_64_ASM |
||
55 | #include "x86-64/x86-64.h" |
||
56 | #endif |
||
57 | |||
58 | #ifdef USE_SPARC_ASM |
||
59 | #include "sparc/sparc.h" |
||
60 | #endif |
||
61 | |||
62 | clip_func _mesa_clip_tab[5]; |
||
63 | clip_func _mesa_clip_np_tab[5]; |
||
64 | dotprod_func _mesa_dotprod_tab[5]; |
||
65 | vec_copy_func _mesa_copy_tab[0x10]; |
||
66 | normal_func _mesa_normal_tab[0xf]; |
||
67 | transform_func *_mesa_transform_tab[5]; |
||
68 | |||
69 | |||
70 | /* Raw data format used for: |
||
71 | * - Object-to-eye transform prior to culling, although this too |
||
72 | * could be culled under some circumstances. |
||
73 | * - Eye-to-clip transform (via the function above). |
||
74 | * - Cliptesting |
||
75 | * - And everything else too, if culling happens to be disabled. |
||
76 | * |
||
77 | * GH: It's used for everything now, as clipping/culling is done |
||
78 | * elsewhere (most often by the driver itself). |
||
79 | */ |
||
80 | #define TAG(x) x |
||
81 | #define TAG2(x,y) x##y |
||
82 | #define STRIDE_LOOP for ( i = 0 ; i < count ; i++, STRIDE_F(from, stride) ) |
||
83 | #define LOOP for ( i = 0 ; i < n ; i++ ) |
||
84 | #define ARGS |
||
85 | #include "m_xform_tmp.h" |
||
86 | #include "m_clip_tmp.h" |
||
87 | #include "m_norm_tmp.h" |
||
88 | #include "m_dotprod_tmp.h" |
||
89 | #include "m_copy_tmp.h" |
||
90 | #undef TAG |
||
91 | #undef TAG2 |
||
92 | #undef LOOP |
||
93 | #undef ARGS |
||
94 | |||
95 | |||
96 | /* |
||
97 | * This is called only once. It initializes several tables with pointers |
||
98 | * to optimized transformation functions. This is where we can test for |
||
99 | * AMD 3Dnow! capability, Intel SSE, etc. and hook in the right code. |
||
100 | */ |
||
101 | void |
||
102 | _math_init_transformation( void ) |
||
103 | { |
||
104 | init_c_transformations(); |
||
105 | init_c_norm_transform(); |
||
106 | init_c_cliptest(); |
||
107 | init_copy0(); |
||
108 | init_dotprod(); |
||
109 | |||
110 | #ifdef DEBUG_MATH |
||
111 | _math_test_all_transform_functions( "default" ); |
||
112 | _math_test_all_normal_transform_functions( "default" ); |
||
113 | _math_test_all_cliptest_functions( "default" ); |
||
114 | #endif |
||
115 | |||
116 | #ifdef USE_X86_ASM |
||
117 | _mesa_init_all_x86_transform_asm(); |
||
118 | #elif defined( USE_SPARC_ASM ) |
||
119 | _mesa_init_all_sparc_transform_asm(); |
||
120 | #elif defined( USE_X86_64_ASM ) |
||
121 | _mesa_init_all_x86_64_transform_asm(); |
||
122 | #endif |
||
123 | }>> |