src/mesa/x86/sse.c

   1 /* $Id: sse.c,v 1.3 2002/04/09 14:58:03 keithw Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  3.5
   6  *
   7  * Copyright (C) 1999-2001  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  * PentiumIII-SIMD (SSE) optimizations contributed by
  29  * Andre Werthmann <wertmann@cs.uni-potsdam.de>
  30  */
  31
  32 #include "glheader.h"
  33 #include "context.h"
  34 #include "math/m_xform.h"
  35 #include "tnl/t_context.h"
  36
  37 #include "sse.h"
  38 #include "common_x86_macros.h"
  39
  40 #ifdef DEBUG
  41 #include "math/m_debug.h"
  42 #endif
  43
  44
  45 #ifdef USE_SSE_ASM
  46 DECLARE_XFORM_GROUP( sse, 2 )
  47 DECLARE_XFORM_GROUP( sse, 3 )
  48
  49 #if 1
  50 /* Some functions are not written in SSE-assembly, because the fpu ones are faster */
  51 extern void _mesa_sse_transform_normals_no_rot( NORM_ARGS );
  52 extern void _mesa_sse_transform_rescale_normals( NORM_ARGS );
  53 extern void _mesa_sse_transform_rescale_normals_no_rot( NORM_ARGS );
  54
  55 extern void _mesa_sse_transform_points4_general( XFORM_ARGS );
  56 extern void _mesa_sse_transform_points4_3d( XFORM_ARGS );
  57 extern void _mesa_sse_transform_points4_identity( XFORM_ARGS );
  58 #else
  59 DECLARE_NORM_GROUP( sse )
  60 #endif
  61
  62
  63 extern void _ASMAPI
  64 _mesa_v16_sse_general_xform( GLfloat *first_vert,
  65                              const GLfloat *m,
  66                              const GLfloat *src,
  67                              GLuint src_stride,
  68                              GLuint count );
  69
  70 extern void _ASMAPI
  71 _mesa_sse_project_vertices( GLfloat *first,
  72                             GLfloat *last,
  73                             const GLfloat *m,
  74                             GLuint stride );
  75
  76 extern void _ASMAPI
  77 _mesa_sse_project_clipped_vertices( GLfloat *first,
  78                                     GLfloat *last,
  79                                     const GLfloat *m,
  80                                     GLuint stride,
  81                                     const GLubyte *clipmask );
  82 #endif
  83
  84
  85 void _mesa_init_sse_transform_asm( void )
  86 {
  87 #ifdef USE_SSE_ASM
  88    ASSIGN_XFORM_GROUP( sse, 2 );
  89    ASSIGN_XFORM_GROUP( sse, 3 );
  90
  91 #if 1
  92    /* TODO: Finish these off.
  93     */
  94    _mesa_transform_tab[4][MATRIX_GENERAL] =
  95       _mesa_sse_transform_points4_general;
  96    _mesa_transform_tab[4][MATRIX_3D] =
  97       _mesa_sse_transform_points4_3d;
  98    _mesa_transform_tab[4][MATRIX_IDENTITY] =
  99       _mesa_sse_transform_points4_identity;
 100
 101    _mesa_normal_tab[NORM_TRANSFORM_NO_ROT] =
 102       _mesa_sse_transform_normals_no_rot;
 103    _mesa_normal_tab[NORM_TRANSFORM | NORM_RESCALE] =
 104       _mesa_sse_transform_rescale_normals;
 105    _mesa_normal_tab[NORM_TRANSFORM_NO_ROT | NORM_RESCALE] =
 106       _mesa_sse_transform_rescale_normals_no_rot;
 107 #else
 108    ASSIGN_XFORM_GROUP( sse, 4 );
 109
 110    ASSIGN_NORM_GROUP( sse );
 111 #endif
 112
 113 #ifdef DEBUG
 114    _math_test_all_transform_functions( "SSE" );
 115    _math_test_all_normal_transform_functions( "SSE" );
 116 #endif
 117 #endif
 118 }
 119