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