1 2 /* 3 * Mesa 3-D graphics library 4 * 5 * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included 15 * in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 23 * OTHER DEALINGS IN THE SOFTWARE. 24 * 25 * Authors: 26 * Gareth Hughes 27 */ 28 29 #ifndef X86_XFORM_H 30 #define X86_XFORM_H 31 32 33 /* ============================================================= 34 * Transformation function declarations: 35 */ 36 37 #define XFORM_ARGS GLvector4f *to_vec, \ 38 const GLfloat m[16], \ 39 const GLvector4f *from_vec 40 41 #define DECLARE_XFORM_GROUP( pfx, sz ) \ 42 extern void _mesa_##pfx##_transform_points##sz##_general( XFORM_ARGS ); \ 43 extern void _mesa_##pfx##_transform_points##sz##_identity( XFORM_ARGS ); \ 44 extern void _mesa_##pfx##_transform_points##sz##_3d_no_rot( XFORM_ARGS ); \ 45 extern void _mesa_##pfx##_transform_points##sz##_perspective( XFORM_ARGS ); \ 46 extern void _mesa_##pfx##_transform_points##sz##_2d( XFORM_ARGS ); \ 47 extern void _mesa_##pfx##_transform_points##sz##_2d_no_rot( XFORM_ARGS ); \ 48 extern void _mesa_##pfx##_transform_points##sz##_3d( XFORM_ARGS ); 49 50 #define ASSIGN_XFORM_GROUP( pfx, sz ) \ 51 _mesa_transform_tab[sz][MATRIX_GENERAL] = \ 52 _mesa_##pfx##_transform_points##sz##_general; \ 53 _mesa_transform_tab[sz][MATRIX_IDENTITY] = \ 54 _mesa_##pfx##_transform_points##sz##_identity; \ 55 _mesa_transform_tab[sz][MATRIX_3D_NO_ROT] = \ 56 _mesa_##pfx##_transform_points##sz##_3d_no_rot; \ 57 _mesa_transform_tab[sz][MATRIX_PERSPECTIVE] = \ 58 _mesa_##pfx##_transform_points##sz##_perspective; \ 59 _mesa_transform_tab[sz][MATRIX_2D] = \ 60 _mesa_##pfx##_transform_points##sz##_2d; \ 61 _mesa_transform_tab[sz][MATRIX_2D_NO_ROT] = \ 62 _mesa_##pfx##_transform_points##sz##_2d_no_rot; \ 63 _mesa_transform_tab[sz][MATRIX_3D] = \ 64 _mesa_##pfx##_transform_points##sz##_3d; 65 66 67 /* ============================================================= 68 * Normal transformation function declarations: 69 */ 70 71 #define NORM_ARGS const GLmatrix *mat, \ 72 GLfloat scale, \ 73 const GLvector4f *in, \ 74 const GLfloat *lengths, \ 75 GLvector4f *dest 76 77 #define DECLARE_NORM_GROUP( pfx ) \ 78 extern void _mesa_##pfx##_rescale_normals( NORM_ARGS ); \ 79 extern void _mesa_##pfx##_normalize_normals( NORM_ARGS ); \ 80 extern void _mesa_##pfx##_transform_normals( NORM_ARGS ); \ 81 extern void _mesa_##pfx##_transform_normals_no_rot( NORM_ARGS ); \ 82 extern void _mesa_##pfx##_transform_rescale_normals( NORM_ARGS ); \ 83 extern void _mesa_##pfx##_transform_rescale_normals_no_rot( NORM_ARGS ); \ 84 extern void _mesa_##pfx##_transform_normalize_normals( NORM_ARGS ); \ 85 extern void _mesa_##pfx##_transform_normalize_normals_no_rot( NORM_ARGS ); 86 87 #define ASSIGN_NORM_GROUP( pfx ) \ 88 _mesa_normal_tab[NORM_RESCALE] = \ 89 _mesa_##pfx##_rescale_normals; \ 90 _mesa_normal_tab[NORM_NORMALIZE] = \ 91 _mesa_##pfx##_normalize_normals; \ 92 _mesa_normal_tab[NORM_TRANSFORM] = \ 93 _mesa_##pfx##_transform_normals; \ 94 _mesa_normal_tab[NORM_TRANSFORM_NO_ROT] = \ 95 _mesa_##pfx##_transform_normals_no_rot; \ 96 _mesa_normal_tab[NORM_TRANSFORM | NORM_RESCALE] = \ 97 _mesa_##pfx##_transform_rescale_normals; \ 98 _mesa_normal_tab[NORM_TRANSFORM_NO_ROT | NORM_RESCALE] = \ 99 _mesa_##pfx##_transform_rescale_normals_no_rot; \ 100 _mesa_normal_tab[NORM_TRANSFORM | NORM_NORMALIZE] = \ 101 _mesa_##pfx##_transform_normalize_normals; \ 102 _mesa_normal_tab[NORM_TRANSFORM_NO_ROT | NORM_NORMALIZE] = \ 103 _mesa_##pfx##_transform_normalize_normals_no_rot; 104 105 106 #endif 107