src/mesa/x86-64/x86-64.c

   1 /* $Id: x86-64.c,v 1.4 2006/10/17 17:03:21 brianp Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  6.3
   6  *
   7  * Copyright (C) 1999-2003  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  * x86-64 optimizations shamelessy converted from x86/sse/3dnow assembly by
  29  * Mikko Tiihonen
  30  */
  31
  32 #ifdef USE_X86_64_ASM
  33
  34 #include "main/glheader.h"
  35 #include "main/context.h"
  36 #include "math/m_xform.h"
  37 #include "tnl/t_context.h"
  38 #include "x86-64.h"
  39 #include "../x86/common_x86_macros.h"
  40
  41 #ifdef DEBUG
  42 #include "math/m_debug.h"
  43 #endif
  44
  45 DECLARE_XFORM_GROUP( x86_64, 4 )
  46
  47 #else
  48 /* just to silence warning below */
  49 #include "x86-64.h"
  50 #endif
  51
  52 /*
  53 extern void _mesa_x86_64_transform_points4_general( XFORM_ARGS );
  54 extern void _mesa_x86_64_transform_points4_identity( XFORM_ARGS );
  55 extern void _mesa_x86_64_transform_points4_perspective( XFORM_ARGS );
  56 extern void _mesa_x86_64_transform_points4_3d( XFORM_ARGS );
  57 extern void _mesa_x86_64_transform_points4_3d_no_rot( XFORM_ARGS );
  58 extern void _mesa_x86_64_transform_points4_2d_no_rot( XFORM_ARGS );
  59 extern void _mesa_x86_64_transform_points4_2d( XFORM_ARGS );
  60 */
  61
  62 #ifdef USE_X86_64_ASM
  63 static void message( const char *msg )
  64 {
  65    GLboolean debug;
  66 #ifdef DEBUG
  67    debug = GL_TRUE;
  68 #else
  69    if ( _mesa_getenv( "MESA_DEBUG" ) ) {
  70       debug = GL_TRUE;
  71    } else {
  72       debug = GL_FALSE;
  73    }
  74 #endif
  75    if ( debug ) {
  76       _mesa_debug( NULL, "%s", msg );
  77    }
  78 }
  79 #endif
  80
  81
  82 void _mesa_init_all_x86_64_transform_asm(void)
  83 {
  84 #ifdef USE_X86_64_ASM
  85
  86    if ( _mesa_getenv( "MESA_NO_ASM" ) ) {
  87      return;
  88    }
  89
  90    message("Initializing x86-64 optimizations\n");
  91
  92    ASSIGN_XFORM_GROUP( x86_64, 4 );
  93
  94    /*
  95    _mesa_transform_tab[4][MATRIX_GENERAL] =
  96       _mesa_x86_64_transform_points4_general;
  97    _mesa_transform_tab[4][MATRIX_IDENTITY] =
  98       _mesa_x86_64_transform_points4_identity;
  99    _mesa_transform_tab[4][MATRIX_3D] =
 100       _mesa_x86_64_transform_points4_3d;
 101    _mesa_transform_tab[4][MATRIX_3D_NO_ROT] =
 102       _mesa_x86_64_transform_points4_3d_no_rot;
 103    _mesa_transform_tab[4][MATRIX_PERSPECTIVE] =
 104       _mesa_x86_64_transform_points4_perspective;
 105    _mesa_transform_tab[4][MATRIX_2D_NO_ROT] =
 106       _mesa_x86_64_transform_points4_2d_no_rot;
 107    _mesa_transform_tab[4][MATRIX_2D] =
 108       _mesa_x86_64_transform_points4_2d;
 109    */
 110
 111 #ifdef DEBUG_MATH
 112    _math_test_all_transform_functions("x86_64");
 113    _math_test_all_cliptest_functions("x86_64");
 114    _math_test_all_normal_transform_functions("x86_64");
 115 #endif
 116
 117 #endif
 118 }