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

   1 /* $Id: x86-64.c,v 1.2 2005/09/19 20:12:33 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 "glheader.h"
  35 #include "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 #endif
  48
  49 /*
  50 extern void _mesa_x86_64_transform_points4_general( XFORM_ARGS );
  51 extern void _mesa_x86_64_transform_points4_identity( XFORM_ARGS );
  52 extern void _mesa_x86_64_transform_points4_perspective( XFORM_ARGS );
  53 extern void _mesa_x86_64_transform_points4_3d( XFORM_ARGS );
  54 extern void _mesa_x86_64_transform_points4_3d_no_rot( XFORM_ARGS );
  55 extern void _mesa_x86_64_transform_points4_2d_no_rot( XFORM_ARGS );
  56 extern void _mesa_x86_64_transform_points4_2d( XFORM_ARGS );
  57 */
  58
  59 #ifdef USE_X86_64_ASM
  60 static void message( const char *msg )
  61 {
  62    GLboolean debug;
  63 #ifdef DEBUG
  64    debug = GL_TRUE;
  65 #else
  66    if ( _mesa_getenv( "MESA_DEBUG" ) ) {
  67       debug = GL_TRUE;
  68    } else {
  69       debug = GL_FALSE;
  70    }
  71 #endif
  72    if ( debug ) {
  73       _mesa_debug( NULL, "%s", msg );
  74    }
  75 }
  76 #endif
  77
  78
  79 void _mesa_init_all_x86_64_transform_asm(void)
  80 {
  81 #ifdef USE_X86_64_ASM
  82
  83    if ( _mesa_getenv( "MESA_NO_ASM" ) ) {
  84      return;
  85    }
  86
  87    message("Initializing x86-64 optimizations\n");
  88
  89    ASSIGN_XFORM_GROUP( x86_64, 4 );
  90
  91    /*
  92    _mesa_transform_tab[4][MATRIX_GENERAL] =
  93       _mesa_x86_64_transform_points4_general;
  94    _mesa_transform_tab[4][MATRIX_IDENTITY] =
  95       _mesa_x86_64_transform_points4_identity;
  96    _mesa_transform_tab[4][MATRIX_3D] =
  97       _mesa_x86_64_transform_points4_3d;
  98    _mesa_transform_tab[4][MATRIX_3D_NO_ROT] =
  99       _mesa_x86_64_transform_points4_3d_no_rot;
 100    _mesa_transform_tab[4][MATRIX_PERSPECTIVE] =
 101       _mesa_x86_64_transform_points4_perspective;
 102    _mesa_transform_tab[4][MATRIX_2D_NO_ROT] =
 103       _mesa_x86_64_transform_points4_2d_no_rot;
 104    _mesa_transform_tab[4][MATRIX_2D] =
 105       _mesa_x86_64_transform_points4_2d;
 106    */
 107
 108 #ifdef DEBUG
 109    _math_test_all_transform_functions("x86_64");
 110    _math_test_all_cliptest_functions("x86_64");
 111    _math_test_all_normal_transform_functions("x86_64");
 112 #endif
 113
 114 #endif
 115 }