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124 lines
3.8 KiB
C
124 lines
3.8 KiB
C
/*
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* Mesa 3-D graphics library
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* Version: 6.0
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*
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* Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* PentiumIII-SIMD (SSE) optimizations contributed by
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* Andre Werthmann <wertmann@cs.uni-potsdam.de>
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*/
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#include "main/glheader.h"
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#include "main/context.h"
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#include "math/m_xform.h"
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#include "tnl/t_context.h"
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#include "sse.h"
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#include "x86_xform.h"
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#ifdef DEBUG_MATH
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#include "math/m_debug.h"
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#endif
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#ifdef USE_SSE_ASM
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DECLARE_XFORM_GROUP( sse, 2 )
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DECLARE_XFORM_GROUP( sse, 3 )
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#if 1
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/* Some functions are not written in SSE-assembly, because the fpu ones are faster */
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extern void _ASMAPI _mesa_sse_transform_normals_no_rot( NORM_ARGS );
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extern void _ASMAPI _mesa_sse_transform_rescale_normals( NORM_ARGS );
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extern void _ASMAPI _mesa_sse_transform_rescale_normals_no_rot( NORM_ARGS );
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extern void _ASMAPI _mesa_sse_transform_points4_general( XFORM_ARGS );
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extern void _ASMAPI _mesa_sse_transform_points4_3d( XFORM_ARGS );
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/* XXX this function segfaults, see below */
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extern void _ASMAPI _mesa_sse_transform_points4_identity( XFORM_ARGS );
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/* XXX this one works, see below */
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extern void _ASMAPI _mesa_x86_transform_points4_identity( XFORM_ARGS );
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#else
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DECLARE_NORM_GROUP( sse )
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#endif
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extern void _ASMAPI
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_mesa_v16_sse_general_xform( GLfloat *first_vert,
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const GLfloat *m,
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const GLfloat *src,
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GLuint src_stride,
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GLuint count );
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extern void _ASMAPI
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_mesa_sse_project_vertices( GLfloat *first,
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GLfloat *last,
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const GLfloat *m,
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GLuint stride );
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extern void _ASMAPI
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_mesa_sse_project_clipped_vertices( GLfloat *first,
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GLfloat *last,
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const GLfloat *m,
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GLuint stride,
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const GLubyte *clipmask );
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#endif
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void _mesa_init_sse_transform_asm( void )
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{
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#ifdef USE_SSE_ASM
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ASSIGN_XFORM_GROUP( sse, 2 );
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ASSIGN_XFORM_GROUP( sse, 3 );
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#if 1
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/* TODO: Finish these off.
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*/
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_mesa_transform_tab[4][MATRIX_GENERAL] =
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_mesa_sse_transform_points4_general;
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_mesa_transform_tab[4][MATRIX_3D] =
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_mesa_sse_transform_points4_3d;
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/* XXX NOTE: _mesa_sse_transform_points4_identity segfaults with the
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conformance tests, so use the x86 version.
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*/
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_mesa_transform_tab[4][MATRIX_IDENTITY] =
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_mesa_x86_transform_points4_identity;/*_mesa_sse_transform_points4_identity;*/
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_mesa_normal_tab[NORM_TRANSFORM_NO_ROT] =
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_mesa_sse_transform_normals_no_rot;
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_mesa_normal_tab[NORM_TRANSFORM | NORM_RESCALE] =
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_mesa_sse_transform_rescale_normals;
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_mesa_normal_tab[NORM_TRANSFORM_NO_ROT | NORM_RESCALE] =
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_mesa_sse_transform_rescale_normals_no_rot;
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#else
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ASSIGN_XFORM_GROUP( sse, 4 );
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ASSIGN_NORM_GROUP( sse );
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#endif
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#ifdef DEBUG_MATH
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_math_test_all_transform_functions( "SSE" );
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_math_test_all_normal_transform_functions( "SSE" );
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#endif
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#endif
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}
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