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| 1901 | serge | 1 | /* |
| 2 | * Mesa 3-D graphics library |
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| 3 | * Version: 5.1 |
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| 4 | * |
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| 5 | * Copyright (C) 1999-2003 Brian Paul All Rights Reserved. |
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| 6 | * |
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| 7 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 8 | * copy of this software and associated documentation files (the "Software"), |
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| 9 | * to deal in the Software without restriction, including without limitation |
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| 10 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 11 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 12 | * Software is furnished to do so, subject to the following conditions: |
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| 13 | * |
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| 14 | * The above copyright notice and this permission notice shall be included |
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| 15 | * in all copies or substantial portions of the Software. |
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| 16 | * |
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| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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| 18 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 20 | * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
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| 21 | * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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| 22 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 23 | */ |
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| 24 | |||
| 25 | |||
| 26 | /* |
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| 27 | * Matrix/vertex/vector transformation stuff |
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| 28 | * |
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| 29 | * |
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| 30 | * NOTES: |
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| 31 | * 1. 4x4 transformation matrices are stored in memory in column major order. |
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| 32 | * 2. Points/vertices are to be thought of as column vectors. |
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| 33 | * 3. Transformation of a point p by a matrix M is: p' = M * p |
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| 34 | */ |
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| 35 | |||
| 36 | #include "main/glheader.h" |
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| 37 | #include "main/macros.h" |
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| 38 | |||
| 39 | #include "m_eval.h" |
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| 40 | #include "m_matrix.h" |
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| 41 | #include "m_translate.h" |
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| 42 | #include "m_xform.h" |
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| 43 | |||
| 44 | |||
| 45 | #ifdef DEBUG_MATH |
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| 46 | #include "m_debug.h" |
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| 47 | #endif |
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| 48 | |||
| 49 | #ifdef USE_X86_ASM |
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| 50 | #include "x86/common_x86_asm.h" |
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| 51 | #endif |
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| 52 | |||
| 53 | #ifdef USE_X86_64_ASM |
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| 54 | #include "x86-64/x86-64.h" |
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| 55 | #endif |
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| 56 | |||
| 57 | #ifdef USE_SPARC_ASM |
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| 58 | #include "sparc/sparc.h" |
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| 59 | #endif |
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| 60 | |||
| 61 | #ifdef USE_PPC_ASM |
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| 62 | #include "ppc/common_ppc_features.h" |
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| 63 | #endif |
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| 64 | |||
| 65 | clip_func _mesa_clip_tab[5]; |
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| 66 | clip_func _mesa_clip_np_tab[5]; |
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| 67 | dotprod_func _mesa_dotprod_tab[5]; |
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| 68 | vec_copy_func _mesa_copy_tab[0x10]; |
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| 69 | normal_func _mesa_normal_tab[0xf]; |
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| 70 | transform_func *_mesa_transform_tab[5]; |
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| 71 | |||
| 72 | |||
| 73 | /* Raw data format used for: |
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| 74 | * - Object-to-eye transform prior to culling, although this too |
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| 75 | * could be culled under some circumstances. |
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| 76 | * - Eye-to-clip transform (via the function above). |
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| 77 | * - Cliptesting |
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| 78 | * - And everything else too, if culling happens to be disabled. |
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| 79 | * |
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| 80 | * GH: It's used for everything now, as clipping/culling is done |
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| 81 | * elsewhere (most often by the driver itself). |
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| 82 | */ |
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| 83 | #define TAG(x) x |
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| 84 | #define TAG2(x,y) x##y |
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| 85 | #define STRIDE_LOOP for ( i = 0 ; i < count ; i++, STRIDE_F(from, stride) ) |
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| 86 | #define LOOP for ( i = 0 ; i < n ; i++ ) |
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| 87 | #define ARGS |
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| 88 | #include "m_xform_tmp.h" |
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| 89 | #include "m_clip_tmp.h" |
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| 90 | #include "m_norm_tmp.h" |
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| 91 | #include "m_dotprod_tmp.h" |
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| 92 | #include "m_copy_tmp.h" |
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| 93 | #undef TAG |
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| 94 | #undef TAG2 |
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| 95 | #undef LOOP |
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| 96 | #undef ARGS |
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| 97 | |||
| 98 | |||
| 99 | /* |
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| 100 | * This is called only once. It initializes several tables with pointers |
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| 101 | * to optimized transformation functions. This is where we can test for |
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| 102 | * AMD 3Dnow! capability, Intel SSE, etc. and hook in the right code. |
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| 103 | */ |
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| 104 | void |
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| 105 | _math_init_transformation( void ) |
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| 106 | { |
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| 107 | init_c_transformations(); |
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| 108 | init_c_norm_transform(); |
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| 109 | init_c_cliptest(); |
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| 110 | init_copy0(); |
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| 111 | init_dotprod(); |
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| 112 | |||
| 113 | #ifdef DEBUG_MATH |
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| 114 | _math_test_all_transform_functions( "default" ); |
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| 115 | _math_test_all_normal_transform_functions( "default" ); |
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| 116 | _math_test_all_cliptest_functions( "default" ); |
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| 117 | #endif |
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| 118 | |||
| 119 | #ifdef USE_X86_ASM |
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| 120 | _mesa_init_all_x86_transform_asm(); |
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| 121 | #elif defined( USE_SPARC_ASM ) |
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| 122 | _mesa_init_all_sparc_transform_asm(); |
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| 123 | #elif defined( USE_PPC_ASM ) |
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| 124 | _mesa_init_all_ppc_transform_asm(); |
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| 125 | #elif defined( USE_X86_64_ASM ) |
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| 126 | _mesa_init_all_x86_64_transform_asm(); |
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| 127 | #endif |
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| 128 | } |