0,0 → 1,123 |
/* |
* 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 _ASMAPI _mesa_sse_transform_normals_no_rot( NORM_ARGS ); |
extern void _ASMAPI _mesa_sse_transform_rescale_normals( NORM_ARGS ); |
extern void _ASMAPI _mesa_sse_transform_rescale_normals_no_rot( NORM_ARGS ); |
|
extern void _ASMAPI _mesa_sse_transform_points4_general( XFORM_ARGS ); |
extern void _ASMAPI _mesa_sse_transform_points4_3d( XFORM_ARGS ); |
/* XXX this function segfaults, see below */ |
extern void _ASMAPI _mesa_sse_transform_points4_identity( XFORM_ARGS ); |
/* XXX this one works, see below */ |
extern void _ASMAPI _mesa_x86_transform_points4_identity( XFORM_ARGS ); |
#else |
DECLARE_NORM_GROUP( sse ) |
#endif |
|
|
extern void _ASMAPI |
_mesa_v16_sse_general_xform( GLfloat *first_vert, |
const GLfloat *m, |
const GLfloat *src, |
GLuint src_stride, |
GLuint count ); |
|
extern void _ASMAPI |
_mesa_sse_project_vertices( GLfloat *first, |
GLfloat *last, |
const GLfloat *m, |
GLuint stride ); |
|
extern void _ASMAPI |
_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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