| /* |
| * 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 |
| } |
| |