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                             GLboolean viewport_z_clip );
  65
  66 extern GLvector4f * _ASMAPI
  67 _mesa_x86_cliptest_points4_np( GLvector4f *clip_vec,
  68                                GLvector4f *proj_vec,
  69                                GLubyte clipMask[],
  70                                GLubyte *orMask,
  71                                GLubyte *andMask,
  72                                GLboolean viewport_z_clip );
  73
  74 extern void _ASMAPI
  75 _mesa_v16_x86_cliptest_points4( GLfloat *first_vert,
  76                                 GLfloat *last_vert,
  77                                 GLubyte *or_mask,
  78                                 GLubyte *and_mask,
  79                                 GLubyte *clip_mask,
  80                                 GLboolean viewport_z_clip );
  81
  82 extern void _ASMAPI
  83 _mesa_v16_x86_general_xform( GLfloat *dest,
  84                              const GLfloat *m,
  85                              const GLfloat *src,
  86                              GLuint src_stride,
  87                              GLuint count );
  88 #endif
  89
  90
  91 #ifdef USE_X86_ASM
  92 static void _mesa_init_x86_transform_asm( void )
  93 {
  94    ASSIGN_XFORM_GROUP( x86, 2 );
  95    ASSIGN_XFORM_GROUP( x86, 3 );
  96    ASSIGN_XFORM_GROUP( x86, 4 );
  97
  98    _mesa_clip_tab[4] = _mesa_x86_cliptest_points4;
  99    _mesa_clip_np_tab[4] = _mesa_x86_cliptest_points4_np;
 100
 101 #ifdef DEBUG_MATH
 102    _math_test_all_transform_functions( "x86" );
 103    _math_test_all_cliptest_functions( "x86" );
 104 #endif
 105 }
 106 #endif
 107
 108
 109 void _mesa_init_all_x86_transform_asm( void )
 110 {
 111    _mesa_get_x86_features();
 112
 113 #ifdef USE_X86_ASM
 114    if ( _mesa_x86_cpu_features ) {
 115       _mesa_init_x86_transform_asm();
 116    }
 117
 118 #ifdef USE_MMX_ASM
 119    if ( cpu_has_mmx ) {
 120       if ( _mesa_getenv( "MESA_NO_MMX" ) == 0 ) {
 121          _mesa_debug(NULL, "MMX cpu detected.\n");
 122       } else {
 123          _mesa_x86_cpu_features &= ~(X86_FEATURE_MMX);
 124       }
 125    }
 126 #endif
 127
 128 #ifdef USE_3DNOW_ASM
 129    if ( cpu_has_3dnow ) {
 130       if ( _mesa_getenv( "MESA_NO_3DNOW" ) == 0 ) {
 131          _mesa_debug(NULL, "3DNow! cpu detected.\n");
 132          _mesa_init_3dnow_transform_asm();
 133       } else {
 134          _mesa_x86_cpu_features &= ~(X86_FEATURE_3DNOW);
 135       }
 136    }
 137 #endif
 138
 139 #ifdef USE_SSE_ASM
 140    if ( cpu_has_xmm ) {
 141       if ( _mesa_getenv( "MESA_NO_SSE" ) == 0 ) {
 142          _mesa_debug(NULL, "SSE cpu detected.\n");
 143          if ( _mesa_getenv( "MESA_FORCE_SSE" ) == 0 ) {
 144             _mesa_check_os_sse_support();
 145          }
 146          if ( cpu_has_xmm ) {
 147             _mesa_init_sse_transform_asm();
 148          }
 149       } else {
 150          _mesa_debug(NULL, "SSE cpu detected, but switched off by user.\n");
 151          _mesa_x86_cpu_features &= ~(X86_FEATURE_XMM);
 152       }
 153    }
 154 #endif
 155 #endif
 156 }