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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 
    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