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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