| 1 | /* $Id: x86.c,v 1.2 2000-03-01 18:49:40 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 | * Intel x86 assembly code by Josh Vanderhoof | 
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| 29 | */ | 
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| 30 |  | 
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| 31 |  | 
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| 32 | #include <limits.h> | 
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| 33 | #include <stdio.h> | 
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| 34 | #include <stdlib.h> | 
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| 35 | #include <math.h> | 
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| 36 |  | 
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| 37 | #include "types.h" | 
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| 38 | #include "context.h" | 
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| 39 | #include "vertices.h" | 
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| 40 | #include "xform.h" | 
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| 41 | #include "x86.h" | 
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| 42 |  | 
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| 43 | extern void __cdecl gl_v16_x86_cliptest_points4(GLfloat *first_vert, | 
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| 44 | GLfloat *last_vert, | 
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| 45 | GLubyte *or_mask, | 
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| 46 | GLubyte *and_mask, | 
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| 47 | GLubyte *clip_mask ); | 
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| 48 |  | 
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| 49 |  | 
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| 50 | extern void __cdecl gl_v16_x86_general_xform(GLfloat *dest, | 
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| 51 | const GLfloat *m, | 
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| 52 | const GLfloat *src, | 
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| 53 | GLuint src_stride, | 
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| 54 | GLuint count); | 
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| 55 |  | 
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| 56 |  | 
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| 57 |  | 
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| 58 | #define XFORM_ARGS      GLvector4f *to_vec,             \ | 
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| 59 | const GLmatrix *mat,            \ | 
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| 60 | const GLvector4f *from_vec,     \ | 
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| 61 | const GLubyte *mask,            \ | 
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| 62 | const GLubyte flag | 
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| 63 |  | 
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| 64 | #define DECLARE_XFORM_GROUP(pfx, vsize, masked) \ | 
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| 65 | extern void __cdecl gl_##pfx##_transform_points##vsize##_general_##masked(XFORM_ARGS);         \ | 
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| 66 | extern void __cdecl gl_##pfx##_transform_points##vsize##_identity_##masked(XFORM_ARGS);        \ | 
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| 67 | extern void __cdecl gl_##pfx##_transform_points##vsize##_3d_no_rot_##masked(XFORM_ARGS);       \ | 
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| 68 | extern void __cdecl gl_##pfx##_transform_points##vsize##_perspective_##masked(XFORM_ARGS);     \ | 
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| 69 | extern void __cdecl gl_##pfx##_transform_points##vsize##_2d_##masked(XFORM_ARGS);              \ | 
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| 70 | extern void __cdecl gl_##pfx##_transform_points##vsize##_2d_no_rot_##masked(XFORM_ARGS);       \ | 
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| 71 | extern void __cdecl gl_##pfx##_transform_points##vsize##_3d_##masked(XFORM_ARGS); | 
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| 72 |  | 
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| 73 | #define ASSIGN_XFORM_GROUP( pfx, cma, vsize, masked )           \ | 
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| 74 | gl_transform_tab[cma][vsize][MATRIX_GENERAL]                   \ | 
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| 75 | = gl_##pfx##_transform_points##vsize##_general_##masked;      \ | 
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| 76 | gl_transform_tab[cma][vsize][MATRIX_IDENTITY]                  \ | 
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| 77 | = gl_##pfx##_transform_points##vsize##_identity_##masked;     \ | 
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| 78 | gl_transform_tab[cma][vsize][MATRIX_3D_NO_ROT]                 \ | 
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| 79 | = gl_##pfx##_transform_points##vsize##_3d_no_rot_##masked;    \ | 
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| 80 | gl_transform_tab[cma][vsize][MATRIX_PERSPECTIVE]               \ | 
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| 81 | = gl_##pfx##_transform_points##vsize##_perspective_##masked;  \ | 
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| 82 | gl_transform_tab[cma][vsize][MATRIX_2D]                        \ | 
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| 83 | = gl_##pfx##_transform_points##vsize##_2d_##masked;           \ | 
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| 84 | gl_transform_tab[cma][vsize][MATRIX_2D_NO_ROT]                 \ | 
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| 85 | = gl_##pfx##_transform_points##vsize##_2d_no_rot_##masked;    \ | 
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| 86 | gl_transform_tab[cma][vsize][MATRIX_3D]                        \ | 
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| 87 | = gl_##pfx##_transform_points##vsize##_3d_##masked; | 
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| 88 |  | 
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| 89 | void gl_init_x86_asm_transforms( void ) | 
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| 90 | { | 
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| 91 | #ifdef USE_X86_ASM | 
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| 92 | DECLARE_XFORM_GROUP( x86, 2, raw ) | 
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| 93 | DECLARE_XFORM_GROUP( x86, 3, raw ) | 
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| 94 | DECLARE_XFORM_GROUP( x86, 4, raw ) | 
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| 95 | DECLARE_XFORM_GROUP( x86, 2, masked ) | 
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| 96 | DECLARE_XFORM_GROUP( x86, 3, masked ) | 
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| 97 | DECLARE_XFORM_GROUP( x86, 4, masked ) | 
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| 98 |  | 
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| 99 | extern GLvector4f * __cdecl gl_x86_cliptest_points4( GLvector4f *clip_vec, | 
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| 100 | GLvector4f *proj_vec, | 
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| 101 | GLubyte clipMask[], | 
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| 102 | GLubyte *orMask, | 
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| 103 | GLubyte *andMask ); | 
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| 104 |  | 
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| 105 |  | 
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| 106 | ASSIGN_XFORM_GROUP( x86, 0, 2, raw ) | 
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| 107 | ASSIGN_XFORM_GROUP( x86, 0, 3, raw ) | 
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| 108 | ASSIGN_XFORM_GROUP( x86, 0, 4, raw ) | 
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| 109 |  | 
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| 110 | ASSIGN_XFORM_GROUP( x86, CULL_MASK_ACTIVE, 2, masked ) | 
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| 111 | ASSIGN_XFORM_GROUP( x86, CULL_MASK_ACTIVE, 3, masked ) | 
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| 112 | ASSIGN_XFORM_GROUP( x86, CULL_MASK_ACTIVE, 4, masked ) | 
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| 113 |  | 
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| 114 | gl_clip_tab[4] = gl_x86_cliptest_points4; | 
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| 115 |  | 
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| 116 | #ifdef DEBUG_XFORM | 
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| 117 | gl_test_all_transform_functions("x86"); | 
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| 118 | #endif | 
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| 119 |  | 
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| 120 |  | 
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| 121 | gl_cliptest_points4_v16 = gl_v16_x86_cliptest_points4; | 
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| 122 | gl_xform_points3_v16_general = gl_v16_x86_general_xform; | 
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| 123 | #endif | 
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| 124 | } | 
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