src/mesa/x86/sse.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  * PentiumIII-SIMD (SSE) optimizations contributed by
  28  * Andre Werthmann <wertmann@cs.uni-potsdam.de>
  29  */
  30
  31 #include "glheader.h"
  32 #include "context.h"
  33 #include "math/m_xform.h"
  34 #include "tnl/t_context.h"
  35
  36 #include "sse.h"
  37 #include "common_x86_macros.h"
  38
  39 #ifdef DEBUG
  40 #include "math/m_debug.h"
  41 #endif
  42
  43
  44 #ifdef USE_SSE_ASM
  45 DECLARE_XFORM_GROUP( sse, 2 )
  46 DECLARE_XFORM_GROUP( sse, 3 )
  47
  48 #if 1
  49 /* Some functions are not written in SSE-assembly, because the fpu ones are faster */
  50 extern void _ASMAPI _mesa_sse_transform_normals_no_rot( NORM_ARGS );
  51 extern void _ASMAPI _mesa_sse_transform_rescale_normals( NORM_ARGS );
  52 extern void _ASMAPI _mesa_sse_transform_rescale_normals_no_rot( NORM_ARGS );
  53
  54 extern void _ASMAPI _mesa_sse_transform_points4_general( XFORM_ARGS );
  55 extern void _ASMAPI _mesa_sse_transform_points4_3d( XFORM_ARGS );
  56 extern void _ASMAPI _mesa_sse_transform_points4_identity( XFORM_ARGS );
  57 #else
  58 DECLARE_NORM_GROUP( sse )
  59 #endif
  60
  61
  62 extern void _ASMAPI
  63 _mesa_v16_sse_general_xform( GLfloat *first_vert,
  64                              const GLfloat *m,
  65                              const GLfloat *src,
  66                              GLuint src_stride,
  67                              GLuint count );
  68
  69 extern void _ASMAPI
  70 _mesa_sse_project_vertices( GLfloat *first,
  71                             GLfloat *last,
  72                             const GLfloat *m,
  73                             GLuint stride );
  74
  75 extern void _ASMAPI
  76 _mesa_sse_project_clipped_vertices( GLfloat *first,
  77                                     GLfloat *last,
  78                                     const GLfloat *m,
  79                                     GLuint stride,
  80                                     const GLubyte *clipmask );
  81 #endif
  82
  83
  84 void _mesa_init_sse_transform_asm( void )
  85 {
  86 #ifdef USE_SSE_ASM
  87    ASSIGN_XFORM_GROUP( sse, 2 );
  88    ASSIGN_XFORM_GROUP( sse, 3 );
  89
  90 #if 1
  91    /* TODO: Finish these off.
  92     */
  93    _mesa_transform_tab[4][MATRIX_GENERAL] =
  94       _mesa_sse_transform_points4_general;
  95    _mesa_transform_tab[4][MATRIX_3D] =
  96       _mesa_sse_transform_points4_3d;
  97    _mesa_transform_tab[4][MATRIX_IDENTITY] =
  98       _mesa_sse_transform_points4_identity;
  99
 100    _mesa_normal_tab[NORM_TRANSFORM_NO_ROT] =
 101       _mesa_sse_transform_normals_no_rot;
 102    _mesa_normal_tab[NORM_TRANSFORM | NORM_RESCALE] =
 103       _mesa_sse_transform_rescale_normals;
 104    _mesa_normal_tab[NORM_TRANSFORM_NO_ROT | NORM_RESCALE] =
 105       _mesa_sse_transform_rescale_normals_no_rot;
 106 #else
 107    ASSIGN_XFORM_GROUP( sse, 4 );
 108
 109    ASSIGN_NORM_GROUP( sse );
 110 #endif
 111
 112 #ifdef DEBUG
 113    _math_test_all_transform_functions( "SSE" );
 114    _math_test_all_normal_transform_functions( "SSE" );
 115 #endif
 116 #endif
 117 }
 118