1 | /* $Id: x86.c,v 1.3 2000-05-23 20:41:06 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 "glheader.h"
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38 | #include "types.h"
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39 | #include "context.h"
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40 | #include "vertices.h"
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41 | #include "xform.h"
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42 | #include "x86.h"
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43 |
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44 | extern void _ASMAPI gl_v16_x86_cliptest_points4(GLfloat *first_vert,
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45 | GLfloat *last_vert,
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46 | GLubyte *or_mask,
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47 | GLubyte *and_mask,
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48 | GLubyte *clip_mask );
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49 |
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50 |
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51 | extern void _ASMAPI gl_v16_x86_general_xform(GLfloat *dest,
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52 | const GLfloat *m,
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53 | const GLfloat *src,
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54 | GLuint src_stride,
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55 | GLuint count);
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56 |
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57 |
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58 |
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59 | #define XFORM_ARGS GLvector4f *to_vec, \
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60 | const GLmatrix *mat, \
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61 | const GLvector4f *from_vec, \
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62 | const GLubyte *mask, \
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63 | const GLubyte flag
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64 |
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65 | #define DECLARE_XFORM_GROUP(pfx, vsize, masked) \
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66 | extern void _ASMAPI gl_##pfx##_transform_points##vsize##_general_##masked(XFORM_ARGS); \
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67 | extern void _ASMAPI gl_##pfx##_transform_points##vsize##_identity_##masked(XFORM_ARGS); \
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68 | extern void _ASMAPI gl_##pfx##_transform_points##vsize##_3d_no_rot_##masked(XFORM_ARGS); \
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69 | extern void _ASMAPI gl_##pfx##_transform_points##vsize##_perspective_##masked(XFORM_ARGS); \
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70 | extern void _ASMAPI gl_##pfx##_transform_points##vsize##_2d_##masked(XFORM_ARGS); \
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71 | extern void _ASMAPI gl_##pfx##_transform_points##vsize##_2d_no_rot_##masked(XFORM_ARGS); \
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72 | extern void _ASMAPI gl_##pfx##_transform_points##vsize##_3d_##masked(XFORM_ARGS);
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73 |
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74 | #define ASSIGN_XFORM_GROUP( pfx, cma, vsize, masked ) \
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75 | gl_transform_tab[cma][vsize][MATRIX_GENERAL] \
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76 | = gl_##pfx##_transform_points##vsize##_general_##masked; \
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77 | gl_transform_tab[cma][vsize][MATRIX_IDENTITY] \
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78 | = gl_##pfx##_transform_points##vsize##_identity_##masked; \
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79 | gl_transform_tab[cma][vsize][MATRIX_3D_NO_ROT] \
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80 | = gl_##pfx##_transform_points##vsize##_3d_no_rot_##masked; \
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81 | gl_transform_tab[cma][vsize][MATRIX_PERSPECTIVE] \
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82 | = gl_##pfx##_transform_points##vsize##_perspective_##masked; \
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83 | gl_transform_tab[cma][vsize][MATRIX_2D] \
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84 | = gl_##pfx##_transform_points##vsize##_2d_##masked; \
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85 | gl_transform_tab[cma][vsize][MATRIX_2D_NO_ROT] \
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86 | = gl_##pfx##_transform_points##vsize##_2d_no_rot_##masked; \
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87 | gl_transform_tab[cma][vsize][MATRIX_3D] \
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88 | = gl_##pfx##_transform_points##vsize##_3d_##masked;
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89 |
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90 | void gl_init_x86_asm_transforms( void )
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91 | {
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92 | #ifdef USE_X86_ASM
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93 | DECLARE_XFORM_GROUP( x86, 2, raw )
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94 | DECLARE_XFORM_GROUP( x86, 3, raw )
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95 | DECLARE_XFORM_GROUP( x86, 4, raw )
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96 | DECLARE_XFORM_GROUP( x86, 2, masked )
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97 | DECLARE_XFORM_GROUP( x86, 3, masked )
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98 | DECLARE_XFORM_GROUP( x86, 4, masked )
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99 |
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100 | extern GLvector4f * _ASMAPI gl_x86_cliptest_points4( GLvector4f *clip_vec,
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101 | GLvector4f *proj_vec,
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102 | GLubyte clipMask[],
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103 | GLubyte *orMask,
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104 | GLubyte *andMask );
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105 |
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106 |
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107 | ASSIGN_XFORM_GROUP( x86, 0, 2, raw )
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108 | ASSIGN_XFORM_GROUP( x86, 0, 3, raw )
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109 | ASSIGN_XFORM_GROUP( x86, 0, 4, raw )
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110 |
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111 | ASSIGN_XFORM_GROUP( x86, CULL_MASK_ACTIVE, 2, masked )
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112 | ASSIGN_XFORM_GROUP( x86, CULL_MASK_ACTIVE, 3, masked )
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113 | ASSIGN_XFORM_GROUP( x86, CULL_MASK_ACTIVE, 4, masked )
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114 |
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115 | gl_clip_tab[4] = gl_x86_cliptest_points4;
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116 |
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117 | #ifdef DEBUG_XFORM
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118 | gl_test_all_transform_functions("x86");
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119 | #endif
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120 |
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121 |
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122 | gl_cliptest_points4_v16 = gl_v16_x86_cliptest_points4;
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123 | gl_xform_points3_v16_general = gl_v16_x86_general_xform;
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124 | #endif
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125 | }
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