src/mesa/sparc/sparc.c

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  6.3
   4  *
   5  * Copyright (C) 1999-2003  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  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR 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 */