| 1 | /* $Id: 3dnow.c,v 1.3 2000-05-23 20:40:18 jeroen Exp $ */ | 
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| 2 |  | 
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| 3 | /* | 
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| 4 | * Mesa 3-D graphics library | 
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| 5 | * Version:  3.1 | 
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| 6 | * | 
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| 7 | * Copyright (C) 1999  Brian Paul   All Rights Reserved. | 
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| 8 | * | 
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| 9 | * Permission is hereby granted, free of charge, to any person obtaining a | 
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| 10 | * copy of this software and associated documentation files (the "Software"), | 
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| 11 | * to deal in the Software without restriction, including without limitation | 
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| 12 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | 
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| 13 | * and/or sell copies of the Software, and to permit persons to whom the | 
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| 14 | * Software is furnished to do so, subject to the following conditions: | 
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| 15 | * | 
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| 16 | * The above copyright notice and this permission notice shall be included | 
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| 17 | * in all copies or substantial portions of the Software. | 
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| 18 | * | 
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| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | 
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| 20 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | 
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| 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL | 
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| 22 | * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN | 
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| 23 | * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | 
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| 24 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | 
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| 25 | */ | 
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| 26 |  | 
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| 27 |  | 
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| 28 | /* | 
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| 29 | * 3DNow! optimizations contributed by | 
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| 30 | * Holger Waechtler <holger@akaflieg.extern.tu-berlin.de> | 
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| 31 | */ | 
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| 32 | #if defined(USE_3DNOW_ASM) && defined(USE_X86_ASM) | 
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| 33 | #include "3dnow.h" | 
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| 34 |  | 
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| 35 | #include "glheader.h" | 
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| 36 | #include "types.h" | 
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| 37 | #include "context.h" | 
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| 38 | #include "xform.h" | 
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| 39 | #include "vertices.h" | 
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| 40 |  | 
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| 41 | #ifdef DEBUG_XFORM | 
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| 42 | #include "debug_xform.h" | 
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| 43 | #endif | 
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| 44 |  | 
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| 45 |  | 
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| 46 |  | 
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| 47 |  | 
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| 48 | #define XFORM_ARGS      GLvector4f *to_vec,             \ | 
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| 49 | const GLmatrix *mat,            \ | 
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| 50 | const GLvector4f *from_vec,     \ | 
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| 51 | const GLubyte *mask,            \ | 
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| 52 | const GLubyte flag | 
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| 53 |  | 
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| 54 |  | 
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| 55 |  | 
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| 56 | #define DECLARE_XFORM_GROUP(pfx, v, masked) \ | 
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| 57 | extern void _ASMAPI gl##pfx##_transform_points##v##_general_##masked(XFORM_ARGS);    \ | 
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| 58 | extern void _ASMAPI gl##pfx##_transform_points##v##_identity_##masked(XFORM_ARGS);   \ | 
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| 59 | extern void _ASMAPI gl##pfx##_transform_points##v##_3d_no_rot_##masked(XFORM_ARGS);  \ | 
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| 60 | extern void _ASMAPI gl##pfx##_transform_points##v##_perspective_##masked(XFORM_ARGS);\ | 
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| 61 | extern void _ASMAPI gl##pfx##_transform_points##v##_2d_##masked(XFORM_ARGS);         \ | 
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| 62 | extern void _ASMAPI gl##pfx##_transform_points##v##_2d_no_rot_##masked(XFORM_ARGS);  \ | 
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| 63 | extern void _ASMAPI gl##pfx##_transform_points##v##_3d_##masked(XFORM_ARGS); | 
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| 64 |  | 
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| 65 |  | 
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| 66 |  | 
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| 67 | #define ASSIGN_XFORM_GROUP( pfx, cma, vsize, masked )           \ | 
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| 68 | gl_transform_tab[cma][vsize][MATRIX_GENERAL]                   \ | 
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| 69 | = gl##pfx##_transform_points##vsize##_general_##masked;      \ | 
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| 70 | gl_transform_tab[cma][vsize][MATRIX_IDENTITY]                  \ | 
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| 71 | = gl##pfx##_transform_points##vsize##_identity_##masked;     \ | 
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| 72 | gl_transform_tab[cma][vsize][MATRIX_3D_NO_ROT]                 \ | 
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| 73 | = gl##pfx##_transform_points##vsize##_3d_no_rot_##masked;    \ | 
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| 74 | gl_transform_tab[cma][vsize][MATRIX_PERSPECTIVE]               \ | 
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| 75 | = gl##pfx##_transform_points##vsize##_perspective_##masked;  \ | 
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| 76 | gl_transform_tab[cma][vsize][MATRIX_2D]                        \ | 
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| 77 | = gl##pfx##_transform_points##vsize##_2d_##masked;           \ | 
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| 78 | gl_transform_tab[cma][vsize][MATRIX_2D_NO_ROT]                 \ | 
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| 79 | = gl##pfx##_transform_points##vsize##_2d_no_rot_##masked;    \ | 
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| 80 | gl_transform_tab[cma][vsize][MATRIX_3D]                        \ | 
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| 81 | = gl##pfx##_transform_points##vsize##_3d_##masked; | 
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| 82 |  | 
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| 83 |  | 
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| 84 |  | 
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| 85 |  | 
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| 86 | #define NORM_ARGS       const GLmatrix *mat,        \ | 
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| 87 | GLfloat scale,              \ | 
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| 88 | const GLvector3f *in,       \ | 
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| 89 | const GLfloat *lengths,     \ | 
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| 90 | const GLubyte mask[],       \ | 
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| 91 | GLvector3f *dest | 
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| 92 |  | 
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| 93 |  | 
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| 94 |  | 
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| 95 | #define DECLARE_NORM_GROUP(pfx, masked)                                        \ | 
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| 96 | extern void _ASMAPI gl##pfx##_rescale_normals_##masked## (NORM_ARGS);                \ | 
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| 97 | extern void _ASMAPI gl##pfx##_normalize_normals_##masked## (NORM_ARGS);              \ | 
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| 98 | extern void _ASMAPI gl##pfx##_transform_normals_##masked## (NORM_ARGS);              \ | 
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| 99 | extern void _ASMAPI gl##pfx##_transform_normals_no_rot_##masked## (NORM_ARGS);       \ | 
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| 100 | extern void _ASMAPI gl##pfx##_transform_rescale_normals_##masked## (NORM_ARGS);      \ | 
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| 101 | extern void _ASMAPI gl##pfx##_transform_rescale_normals_no_rot_##masked## (NORM_ARGS); \ | 
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| 102 | extern void _ASMAPI gl##pfx##_transform_normalize_normals_##masked## (NORM_ARGS);    \ | 
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| 103 | extern void _ASMAPI gl##pfx##_transform_normalize_normals_no_rot_##masked## (NORM_ARGS); | 
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| 104 |  | 
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| 105 |  | 
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| 106 |  | 
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| 107 | #define ASSIGN_NORM_GROUP( pfx, cma, masked )                                 \ | 
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| 108 | gl_normal_tab[NORM_RESCALE][cma]   =                                       \ | 
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| 109 | gl##pfx##_rescale_normals_##masked##;                                  \ | 
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| 110 | gl_normal_tab[NORM_NORMALIZE][cma] =                                       \ | 
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| 111 | gl##pfx##_normalize_normals_##masked##;                                \ | 
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| 112 | gl_normal_tab[NORM_TRANSFORM][cma] =                                       \ | 
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| 113 | gl##pfx##_transform_normals_##masked##;                                \ | 
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| 114 | gl_normal_tab[NORM_TRANSFORM_NO_ROT][cma] =                                \ | 
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| 115 | gl##pfx##_transform_normals_no_rot_##masked##;                         \ | 
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| 116 | gl_normal_tab[NORM_TRANSFORM | NORM_RESCALE][cma] =                        \ | 
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| 117 | gl##pfx##_transform_rescale_normals_##masked##;                        \ | 
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| 118 | gl_normal_tab[NORM_TRANSFORM_NO_ROT | NORM_RESCALE][cma] =                 \ | 
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| 119 | gl##pfx##_transform_rescale_normals_no_rot_##masked##;                 \ | 
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| 120 | gl_normal_tab[NORM_TRANSFORM | NORM_NORMALIZE][cma] =                      \ | 
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| 121 | gl##pfx##_transform_normalize_normals_##masked##;                      \ | 
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| 122 | gl_normal_tab[NORM_TRANSFORM_NO_ROT | NORM_NORMALIZE][cma] =               \ | 
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| 123 | gl##pfx##_transform_normalize_normals_no_rot_##masked##; | 
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| 124 |  | 
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| 125 |  | 
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| 126 | extern void _ASMAPI gl_3dnow_project_vertices( GLfloat *first, | 
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| 127 | GLfloat *last, | 
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| 128 | const GLfloat *m, | 
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| 129 | GLuint stride ); | 
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| 130 |  | 
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| 131 | extern void _ASMAPI gl_3dnow_project_clipped_vertices( GLfloat *first, | 
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| 132 | GLfloat *last, | 
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| 133 | const GLfloat *m, | 
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| 134 | GLuint stride, | 
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| 135 | const GLubyte *clipmask ); | 
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| 136 |  | 
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| 137 | extern void _ASMAPI gl_v16_3dnow_general_xform( GLfloat *first_vert, | 
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| 138 | const GLfloat *m, | 
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| 139 | const GLfloat *src, | 
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| 140 | GLuint src_stride, | 
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| 141 | GLuint count ); | 
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| 142 |  | 
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| 143 | void gl_init_3dnow_asm_transforms (void) | 
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| 144 | { | 
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| 145 | DECLARE_XFORM_GROUP( _3dnow, 1, raw ) | 
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| 146 | DECLARE_XFORM_GROUP( _3dnow, 2, raw ) | 
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| 147 | DECLARE_XFORM_GROUP( _3dnow, 3, raw ) | 
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| 148 | DECLARE_XFORM_GROUP( _3dnow, 4, raw ) | 
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| 149 |  | 
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| 150 | DECLARE_XFORM_GROUP( _3dnow, 1, masked ) | 
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| 151 | DECLARE_XFORM_GROUP( _3dnow, 2, masked ) | 
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| 152 | DECLARE_XFORM_GROUP( _3dnow, 3, masked ) | 
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| 153 | DECLARE_XFORM_GROUP( _3dnow, 4, masked ) | 
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| 154 |  | 
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| 155 | DECLARE_NORM_GROUP( _3dnow, raw ) | 
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| 156 | /* DECLARE_NORM_GROUP( _3dnow, masked ) | 
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| 157 | */ | 
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| 158 |  | 
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| 159 | ASSIGN_XFORM_GROUP( _3dnow, 0, 1, raw ) | 
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| 160 | ASSIGN_XFORM_GROUP( _3dnow, 0, 2, raw ) | 
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| 161 | ASSIGN_XFORM_GROUP( _3dnow, 0, 3, raw ) | 
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| 162 | ASSIGN_XFORM_GROUP( _3dnow, 0, 4, raw ) | 
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| 163 |  | 
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| 164 | ASSIGN_XFORM_GROUP( _3dnow, CULL_MASK_ACTIVE, 1, masked ) | 
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| 165 | ASSIGN_XFORM_GROUP( _3dnow, CULL_MASK_ACTIVE, 2, masked ) | 
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| 166 | ASSIGN_XFORM_GROUP( _3dnow, CULL_MASK_ACTIVE, 3, masked ) | 
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| 167 | ASSIGN_XFORM_GROUP( _3dnow, CULL_MASK_ACTIVE, 4, masked ) | 
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| 168 |  | 
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| 169 | ASSIGN_NORM_GROUP( _3dnow, 0, raw ) | 
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| 170 | /* ASSIGN_NORM_GROUP( _3dnow, CULL_MASK_ACTIVE, masked ) | 
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| 171 | */ | 
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| 172 |  | 
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| 173 | #ifdef DEBUG_XFORM | 
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| 174 | gl_test_all_transform_functions("3Dnow!"); | 
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| 175 | gl_test_all_normal_transform_functions("3Dnow!"); | 
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| 176 | #endif | 
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| 177 |  | 
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| 178 | /* Hook in some stuff for vertices.c. | 
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| 179 | */ | 
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| 180 | gl_xform_points3_v16_general = gl_v16_3dnow_general_xform; | 
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| 181 | gl_project_v16 = gl_3dnow_project_vertices; | 
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| 182 | gl_project_clipped_v16 = gl_3dnow_project_clipped_vertices; | 
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| 183 | } | 
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| 184 |  | 
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| 185 | #endif | 
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| 186 |  | 
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