src/mesa/sparc/sparc.c

   1 /* $Id: sparc.c,v 1.6 2002/04/09 14:58:03 keithw Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  3.5
   6  *
   7  * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining a
  10  * copy of this software and associated documentation files (the "Software"),
  11  * to deal in the Software without restriction, including without limitation
  12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  13  * and/or sell copies of the Software, and to permit persons to whom the
  14  * Software is furnished to do so, subject to the following conditions:
  15  *
  16  * The above copyright notice and this permission notice shall be included
  17  * in all copies or substantial portions of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  23  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  */
  26
  27 /*
  28  * Sparc assembly code by David S. Miller
  29  */
  30
  31
  32 #include "context.h"
  33 #include "math/m_xform.h"
  34 #include "tnl/t_context.h"
  35 #include "sparc.h"
  36
  37 #ifdef DEBUG
  38 #include "math/m_debug.h"
  39 #endif
  40
  41 #define XFORM_ARGS      GLvector4f *to_vec,             \
  42                         const GLfloat m[16],            \
  43                         const GLvector4f *from_vec
  44
  45 #define DECLARE_XFORM_GROUP(pfx, sz)                                       \
  46  extern void _mesa_##pfx##_transform_points##sz##_general(XFORM_ARGS);     \
  47  extern void _mesa_##pfx##_transform_points##sz##_identity(XFORM_ARGS);    \
  48  extern void _mesa_##pfx##_transform_points##sz##_3d_no_rot(XFORM_ARGS);   \
  49  extern void _mesa_##pfx##_transform_points##sz##_perspective(XFORM_ARGS); \
  50  extern void _mesa_##pfx##_transform_points##sz##_2d(XFORM_ARGS);          \
  51  extern void _mesa_##pfx##_transform_points##sz##_2d_no_rot(XFORM_ARGS);   \
  52  extern void _mesa_##pfx##_transform_points##sz##_3d(XFORM_ARGS);
  53
  54 #define ASSIGN_XFORM_GROUP(pfx, sz)                                     \
  55    _mesa_transform_tab[sz][MATRIX_GENERAL] =                            \
  56       _mesa_##pfx##_transform_points##sz##_general;                     \
  57    _mesa_transform_tab[sz][MATRIX_IDENTITY] =                           \
  58       _mesa_##pfx##_transform_points##sz##_identity;                    \
  59    _mesa_transform_tab[sz][MATRIX_3D_NO_ROT] =                          \
  60       _mesa_##pfx##_transform_points##sz##_3d_no_rot;                   \
  61    _mesa_transform_tab[sz][MATRIX_PERSPECTIVE] =                        \
  62       _mesa_##pfx##_transform_points##sz##_perspective;                 \
  63    _mesa_transform_tab[sz][MATRIX_2D] =                                 \
  64       _mesa_##pfx##_transform_points##sz##_2d;                          \
  65    _mesa_transform_tab[sz][MATRIX_2D_NO_ROT] =                          \
  66       _mesa_##pfx##_transform_points##sz##_2d_no_rot;                   \
  67    _mesa_transform_tab[sz][MATRIX_3D] =                                 \
  68       _mesa_##pfx##_transform_points##sz##_3d;
  69
  70
  71 #ifdef USE_SPARC_ASM
  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
  83 extern GLvector4f  *_mesa_sparc_cliptest_points4_np(GLvector4f *clip_vec,
  84                                                     GLvector4f *proj_vec,
  85                                                     GLubyte clipMask[],
  86                                                     GLubyte *orMask,
  87                                                     GLubyte *andMask);
  88
  89 #define NORM_ARGS       const GLmatrix *mat,                            \
  90                         GLfloat scale,                                  \
  91                         const GLvector3f *in,                           \
  92                         const GLfloat *lengths,                         \
  93                         GLvector3f *dest
  94
  95 extern void _mesa_sparc_transform_normalize_normals(NORM_ARGS);
  96 extern void _mesa_sparc_transform_normalize_normals_no_rot(NORM_ARGS);
  97 extern void _mesa_sparc_transform_rescale_normals_no_rot(NORM_ARGS);
  98 extern void _mesa_sparc_transform_rescale_normals(NORM_ARGS);
  99 extern void _mesa_sparc_transform_normals_no_rot(NORM_ARGS);
 100 extern void _mesa_sparc_transform_normals(NORM_ARGS);
 101 extern void _mesa_sparc_normalize_normals(NORM_ARGS);
 102 extern void _mesa_sparc_rescale_normals(NORM_ARGS);
 103
 104 #endif
 105
 106 void _mesa_init_all_sparc_transform_asm(void)
 107 {
 108 #ifdef USE_SPARC_ASM
 109    ASSIGN_XFORM_GROUP(sparc, 1)
 110    ASSIGN_XFORM_GROUP(sparc, 2)
 111    ASSIGN_XFORM_GROUP(sparc, 3)
 112    ASSIGN_XFORM_GROUP(sparc, 4)
 113
 114    _mesa_clip_tab[4] = _mesa_sparc_cliptest_points4;
 115    _mesa_clip_np_tab[4] = _mesa_sparc_cliptest_points4_np;
 116
 117    _mesa_normal_tab[NORM_TRANSFORM | NORM_NORMALIZE] =
 118            _mesa_sparc_transform_normalize_normals;
 119    _mesa_normal_tab[NORM_TRANSFORM_NO_ROT | NORM_NORMALIZE] =
 120            _mesa_sparc_transform_normalize_normals_no_rot;
 121    _mesa_normal_tab[NORM_TRANSFORM_NO_ROT | NORM_RESCALE] =
 122            _mesa_sparc_transform_rescale_normals_no_rot;
 123    _mesa_normal_tab[NORM_TRANSFORM | NORM_RESCALE] =
 124            _mesa_sparc_transform_rescale_normals;
 125    _mesa_normal_tab[NORM_TRANSFORM_NO_ROT] =
 126            _mesa_sparc_transform_normals_no_rot;
 127    _mesa_normal_tab[NORM_TRANSFORM] =
 128            _mesa_sparc_transform_normals;
 129    _mesa_normal_tab[NORM_NORMALIZE] =
 130            _mesa_sparc_normalize_normals;
 131    _mesa_normal_tab[NORM_RESCALE] =
 132            _mesa_sparc_rescale_normals;
 133
 134 #ifdef DEBUG
 135    _math_test_all_transform_functions("sparc");
 136    _math_test_all_cliptest_functions("sparc");
 137    _math_test_all_normal_transform_functions("sparc");
 138 #endif
 139
 140 #endif
 141 }
 142
 143 extern unsigned int _mesa_sparc_glapi_begin;
 144 extern unsigned int _mesa_sparc_glapi_end;
 145 extern void __glapi_sparc_icache_flush(unsigned int *);
 146
 147 void _mesa_init_sparc_glapi_relocs(void)
 148 {
 149         unsigned int *insn_ptr, *end_ptr;
 150         unsigned long disp_addr;
 151
 152         insn_ptr = &_mesa_sparc_glapi_begin;
 153         end_ptr = &_mesa_sparc_glapi_end;
 154         disp_addr = (unsigned long) &_glapi_Dispatch;
 155
 156         while (insn_ptr < end_ptr) {
 157 #ifdef __sparc_v9__
 158                 insn_ptr[0] |= (disp_addr >> (32 + 10));
 159                 insn_ptr[1] |= ((disp_addr & 0xffffffff) >> 10);
 160                 __glapi_sparc_icache_flush(&insn_ptr[0]);
 161                 insn_ptr[2] |= ((disp_addr >> 32) & ((1 << 10) - 1));
 162                 insn_ptr[3] |= (disp_addr & ((1 << 10) - 1));
 163                 __glapi_sparc_icache_flush(&insn_ptr[2]);
 164                 insn_ptr += 10;
 165 #else
 166                 insn_ptr[0] |= (disp_addr >> 10);
 167                 insn_ptr[1] |= (disp_addr & ((1 << 10) - 1));
 168                 __glapi_sparc_icache_flush(&insn_ptr[0]);
 169                 insn_ptr += 4;
 170 #endif
 171         }
 172 }