src/mesa/x86/x86_xform.c

   1
   2 /*
   3  * Mesa 3-D graphics library
   4  * Version:  3.5
   5  *
   6  * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the "Software"),
  10  * to deal in the Software without restriction, including without limitation
  11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12  * and/or sell copies of the Software, and to permit persons to whom the
  13  * Software is furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice shall be included
  16  * in all copies or substantial portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  21  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  22  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  23  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  */
  25
  26 /*
  27  * Intel x86 assembly code by Josh Vanderhoof
  28  */
  29
  30 #include "main/glheader.h"
  31 #include "main/context.h"
  32 #include "math/m_xform.h"
  33 #include "tnl/t_context.h"
  34
  35 #include "x86_xform.h"
  36 #include "common_x86_asm.h"
  37
  38 #ifdef USE_X86_ASM
  39 #ifdef USE_3DNOW_ASM
  40 #include "3dnow.h"
  41 #endif
  42 #ifdef USE_SSE_ASM
  43 #include "sse.h"
  44 #endif
  45 #endif
  46
  47 #ifdef DEBUG_MATH
  48 #include "math/m_debug.h"
  49 #endif
  50
  51
  52 #ifdef USE_X86_ASM
  53 DECLARE_XFORM_GROUP( x86, 2 )
  54 DECLARE_XFORM_GROUP( x86, 3 )
  55 DECLARE_XFORM_GROUP( x86, 4 )
  56
  57
  58 extern GLvector4f * _ASMAPI
  59 _mesa_x86_cliptest_points4( GLvector4f *clip_vec,
  60                             GLvector4f *proj_vec,
  61                             GLubyte clipMask[],
  62                             GLubyte *orMask,
  63                             GLubyte *andMask );
  64
  65 extern GLvector4f * _ASMAPI
  66 _mesa_x86_cliptest_points4_np( GLvector4f *clip_vec,
  67                                GLvector4f *proj_vec,
  68                                GLubyte clipMask[],
  69                                GLubyte *orMask,
  70                                GLubyte *andMask );
  71
  72 extern void _ASMAPI
  73 _mesa_v16_x86_cliptest_points4( GLfloat *first_vert,
  74                                 GLfloat *last_vert,
  75                                 GLubyte *or_mask,
  76                                 GLubyte *and_mask,
  77                                 GLubyte *clip_mask );
  78
  79 extern void _ASMAPI
  80 _mesa_v16_x86_general_xform( GLfloat *dest,
  81                              const GLfloat *m,
  82                              const GLfloat *src,
  83                              GLuint src_stride,
  84                              GLuint count );
  85 #endif
  86
  87
  88 #ifdef USE_X86_ASM
  89 static void _mesa_init_x86_transform_asm( void )
  90 {
  91    ASSIGN_XFORM_GROUP( x86, 2 );
  92    ASSIGN_XFORM_GROUP( x86, 3 );
  93    ASSIGN_XFORM_GROUP( x86, 4 );
  94
  95    _mesa_clip_tab[4] = _mesa_x86_cliptest_points4;
  96    _mesa_clip_np_tab[4] = _mesa_x86_cliptest_points4_np;
  97
  98 #ifdef DEBUG_MATH
  99    _math_test_all_transform_functions( "x86" );
 100    _math_test_all_cliptest_functions( "x86" );
 101 #endif
 102 }
 103 #endif
 104
 105
 106 void _mesa_init_all_x86_transform_asm( void )
 107 {
 108    _mesa_get_x86_features();
 109
 110 #ifdef USE_X86_ASM
 111    if ( _mesa_x86_cpu_features ) {
 112       _mesa_init_x86_transform_asm();
 113    }
 114
 115 #ifdef USE_MMX_ASM
 116    if ( cpu_has_mmx ) {
 117       if ( _mesa_getenv( "MESA_NO_MMX" ) == 0 ) {
 118          _mesa_debug(NULL, "MMX cpu detected.\n");
 119       } else {
 120          _mesa_x86_cpu_features &= ~(X86_FEATURE_MMX);
 121       }
 122    }
 123 #endif
 124
 125 #ifdef USE_3DNOW_ASM
 126    if ( cpu_has_3dnow ) {
 127       if ( _mesa_getenv( "MESA_NO_3DNOW" ) == 0 ) {
 128          _mesa_debug(NULL, "3DNow! cpu detected.\n");
 129          _mesa_init_3dnow_transform_asm();
 130       } else {
 131          _mesa_x86_cpu_features &= ~(X86_FEATURE_3DNOW);
 132       }
 133    }
 134 #endif
 135
 136 #ifdef USE_SSE_ASM
 137    if ( cpu_has_xmm ) {
 138       if ( _mesa_getenv( "MESA_NO_SSE" ) == 0 ) {
 139          _mesa_debug(NULL, "SSE cpu detected.\n");
 140          if ( _mesa_getenv( "MESA_FORCE_SSE" ) == 0 ) {
 141             _mesa_check_os_sse_support();
 142          }
 143          if ( cpu_has_xmm ) {
 144             _mesa_init_sse_transform_asm();
 145          }
 146       } else {
 147          _mesa_debug(NULL, "SSE cpu detected, but switched off by user.\n");
 148          _mesa_x86_cpu_features &= ~(X86_FEATURE_XMM);
 149       }
 150    }
 151 #endif
 152 #endif
 153 }