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1 /*
2  * Mesa 3-D graphics library
3  *
4  * Copyright (C) 1999-2003  Brian Paul   All Rights Reserved.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included
14  * in all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  */
24 
25 /*
26  * Sparc assembly code by David S. Miller
27  */
28 
29 
30 #include "sparc.h"
31 
32 #ifdef USE_SPARC_ASM
33 
34 #include "main/context.h"
35 #include "math/m_xform.h"
36 #include "tnl/t_context.h"
37 
38 #ifdef DEBUG
39 #include "math/m_debug.h"
40 #endif
41 
42 #define XFORM_ARGS 	GLvector4f *to_vec, 		\
43 			const GLfloat m[16], 		\
44 			const GLvector4f *from_vec
45 
46 #define DECLARE_XFORM_GROUP(pfx, sz)					   \
47  extern void _mesa_##pfx##_transform_points##sz##_general(XFORM_ARGS);     \
48  extern void _mesa_##pfx##_transform_points##sz##_identity(XFORM_ARGS);    \
49  extern void _mesa_##pfx##_transform_points##sz##_3d_no_rot(XFORM_ARGS);   \
50  extern void _mesa_##pfx##_transform_points##sz##_perspective(XFORM_ARGS); \
51  extern void _mesa_##pfx##_transform_points##sz##_2d(XFORM_ARGS);          \
52  extern void _mesa_##pfx##_transform_points##sz##_2d_no_rot(XFORM_ARGS);   \
53  extern void _mesa_##pfx##_transform_points##sz##_3d(XFORM_ARGS);
54 
55 #define ASSIGN_XFORM_GROUP(pfx, sz)					\
56    _mesa_transform_tab[sz][MATRIX_GENERAL] =				\
57       _mesa_##pfx##_transform_points##sz##_general;			\
58    _mesa_transform_tab[sz][MATRIX_IDENTITY] =				\
59       _mesa_##pfx##_transform_points##sz##_identity;			\
60    _mesa_transform_tab[sz][MATRIX_3D_NO_ROT] =				\
61       _mesa_##pfx##_transform_points##sz##_3d_no_rot;			\
62    _mesa_transform_tab[sz][MATRIX_PERSPECTIVE] =			\
63       _mesa_##pfx##_transform_points##sz##_perspective;			\
64    _mesa_transform_tab[sz][MATRIX_2D] =					\
65       _mesa_##pfx##_transform_points##sz##_2d;				\
66    _mesa_transform_tab[sz][MATRIX_2D_NO_ROT] =				\
67       _mesa_##pfx##_transform_points##sz##_2d_no_rot;			\
68    _mesa_transform_tab[sz][MATRIX_3D] =					\
69       _mesa_##pfx##_transform_points##sz##_3d;
70 
71 
72 DECLARE_XFORM_GROUP(sparc, 1)
73 DECLARE_XFORM_GROUP(sparc, 2)
74 DECLARE_XFORM_GROUP(sparc, 3)
75 DECLARE_XFORM_GROUP(sparc, 4)
76 
77 extern GLvector4f  *_mesa_sparc_cliptest_points4(GLvector4f *clip_vec,
78 						 GLvector4f *proj_vec,
79 						 GLubyte clipMask[],
80 						 GLubyte *orMask,
81 						 GLubyte *andMask,
82 						 GLboolean viewport_z_clip);
83 
84 extern GLvector4f  *_mesa_sparc_cliptest_points4_np(GLvector4f *clip_vec,
85 						    GLvector4f *proj_vec,
86 						    GLubyte clipMask[],
87 						    GLubyte *orMask,
88 						    GLubyte *andMask,
89 						    GLboolean viewport_z_clip);
90 
91 #define NORM_ARGS	const GLmatrix *mat,				\
92 			GLfloat scale,					\
93 			const GLvector4f *in,				\
94 			const GLfloat *lengths,				\
95 			GLvector4f *dest
96 
97 extern void _mesa_sparc_transform_normalize_normals(NORM_ARGS);
98 extern void _mesa_sparc_transform_normalize_normals_no_rot(NORM_ARGS);
99 extern void _mesa_sparc_transform_rescale_normals_no_rot(NORM_ARGS);
100 extern void _mesa_sparc_transform_rescale_normals(NORM_ARGS);
101 extern void _mesa_sparc_transform_normals_no_rot(NORM_ARGS);
102 extern void _mesa_sparc_transform_normals(NORM_ARGS);
103 extern void _mesa_sparc_normalize_normals(NORM_ARGS);
104 extern void _mesa_sparc_rescale_normals(NORM_ARGS);
105 
106 
107 
_mesa_init_all_sparc_transform_asm(void)108 void _mesa_init_all_sparc_transform_asm(void)
109 {
110    ASSIGN_XFORM_GROUP(sparc, 1)
111    ASSIGN_XFORM_GROUP(sparc, 2)
112    ASSIGN_XFORM_GROUP(sparc, 3)
113    ASSIGN_XFORM_GROUP(sparc, 4)
114 
115    _mesa_clip_tab[4] = _mesa_sparc_cliptest_points4;
116    _mesa_clip_np_tab[4] = _mesa_sparc_cliptest_points4_np;
117 
118    _mesa_normal_tab[NORM_TRANSFORM | NORM_NORMALIZE] =
119 	   _mesa_sparc_transform_normalize_normals;
120    _mesa_normal_tab[NORM_TRANSFORM_NO_ROT | NORM_NORMALIZE] =
121 	   _mesa_sparc_transform_normalize_normals_no_rot;
122    _mesa_normal_tab[NORM_TRANSFORM_NO_ROT | NORM_RESCALE] =
123 	   _mesa_sparc_transform_rescale_normals_no_rot;
124    _mesa_normal_tab[NORM_TRANSFORM | NORM_RESCALE] =
125 	   _mesa_sparc_transform_rescale_normals;
126    _mesa_normal_tab[NORM_TRANSFORM_NO_ROT] =
127 	   _mesa_sparc_transform_normals_no_rot;
128    _mesa_normal_tab[NORM_TRANSFORM] =
129 	   _mesa_sparc_transform_normals;
130    _mesa_normal_tab[NORM_NORMALIZE] =
131 	   _mesa_sparc_normalize_normals;
132    _mesa_normal_tab[NORM_RESCALE] =
133 	   _mesa_sparc_rescale_normals;
134 
135 #ifdef DEBUG_MATH
136    _math_test_all_transform_functions("sparc");
137    _math_test_all_cliptest_functions("sparc");
138    _math_test_all_normal_transform_functions("sparc");
139 #endif
140 }
141 
142 #endif /* USE_SPARC_ASM */
143