src/mesa/sparc/sparc.c

   1 /* $Id: sparc.c,v 1.3 2001/06/05 23:54:01 davem69 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_vertices.h"
  34 #include "math/m_xform.h"
  35 #include "tnl/t_context.h"
  36 #include "sparc.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 #ifdef USE_SPARC_ASM
  73 DECLARE_XFORM_GROUP(sparc, 1)
  74 DECLARE_XFORM_GROUP(sparc, 2)
  75 DECLARE_XFORM_GROUP(sparc, 3)
  76 DECLARE_XFORM_GROUP(sparc, 4)
  77
  78 extern GLvector4f  *_mesa_sparc_cliptest_points4(GLvector4f *clip_vec,
  79                                                  GLvector4f *proj_vec,
  80                                                  GLubyte clipMask[],
  81                                                  GLubyte *orMask,
  82                                                  GLubyte *andMask);
  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 #endif
  90
  91 void _mesa_init_all_sparc_transform_asm(void)
  92 {
  93 #ifdef USE_SPARC_ASM
  94    ASSIGN_XFORM_GROUP(sparc, 1)
  95    ASSIGN_XFORM_GROUP(sparc, 2)
  96    ASSIGN_XFORM_GROUP(sparc, 3)
  97    ASSIGN_XFORM_GROUP(sparc, 4)
  98
  99    _mesa_clip_tab[4] = _mesa_sparc_cliptest_points4;
 100    _mesa_clip_np_tab[4] = _mesa_sparc_cliptest_points4_np;
 101
 102 #ifdef DEBUG
 103    _math_test_all_transform_functions("sparc");
 104    _math_test_all_cliptest_functions("sparc");
 105 #endif
 106
 107 #endif
 108 }
 109
 110 extern unsigned int _mesa_sparc_glapi_begin;
 111 extern unsigned int _mesa_sparc_glapi_end;
 112
 113 void _mesa_init_sparc_glapi_relocs(void)
 114 {
 115         unsigned int *insn_ptr, *end_ptr;
 116         unsigned long disp_addr;
 117
 118         insn_ptr = &_mesa_sparc_glapi_begin;
 119         end_ptr = &_mesa_sparc_glapi_end;
 120         disp_addr = (unsigned long) &_glapi_Dispatch;
 121
 122         while (insn_ptr < end_ptr) {
 123 #ifdef __sparc_v9__
 124                 insn_ptr[0] |= (disp_addr >> (32 + 10));
 125                 insn_ptr[1] |= ((disp_addr & 0xffffffff) >> 10);
 126                 _mesa_sparc_icache_flush(&insn_ptr[0]);
 127                 insn_ptr[2] |= ((disp_addr >> 32) & ((1 << 10) - 1));
 128                 insn_ptr[3] |= (disp_addr & ((1 << 10) - 1));
 129                 _mesa_sparc_icache_flush(&insn_ptr[2]);
 130                 insn_ptr += 10;
 131 #else
 132                 insn_ptr[0] |= (disp_addr >> 10);
 133                 insn_ptr[1] |= (disp_addr & ((1 << 10) - 1));
 134                 _mesa_sparc_icache_flush(&insn_ptr[0]);
 135                 insn_ptr += 4;
 136 #endif
 137         }
 138 }