/* * 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 }