| |
| /* |
| * Mesa 3-D graphics library |
| * |
| * Copyright (C) 1999-2003 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. |
| */ |
| |
| /* |
| * x86-64 optimizations shamelessy converted from x86/sse/3dnow assembly by |
| * Mikko Tiihonen |
| */ |
| |
| #ifdef USE_X86_64_ASM |
| |
| #include "main/glheader.h" |
| #include "main/context.h" |
| #include "math/m_xform.h" |
| #include "tnl/t_context.h" |
| #include "x86-64.h" |
| #include "../x86/x86_xform.h" |
| |
| #ifdef DEBUG |
| #include "math/m_debug.h" |
| #endif |
| |
| extern void _mesa_x86_64_cpuid(unsigned int *regs); |
| |
| DECLARE_XFORM_GROUP( x86_64, 4 ) |
| DECLARE_XFORM_GROUP( 3dnow, 4 ) |
| |
| #else |
| /* just to silence warning below */ |
| #include "x86-64.h" |
| #endif |
| |
| /* |
| extern void _mesa_x86_64_transform_points4_general( XFORM_ARGS ); |
| extern void _mesa_x86_64_transform_points4_identity( XFORM_ARGS ); |
| extern void _mesa_x86_64_transform_points4_perspective( XFORM_ARGS ); |
| extern void _mesa_x86_64_transform_points4_3d( XFORM_ARGS ); |
| extern void _mesa_x86_64_transform_points4_3d_no_rot( XFORM_ARGS ); |
| extern void _mesa_x86_64_transform_points4_2d_no_rot( XFORM_ARGS ); |
| extern void _mesa_x86_64_transform_points4_2d( XFORM_ARGS ); |
| */ |
| |
| #ifdef USE_X86_64_ASM |
| static void message( const char *msg ) |
| { |
| if (getenv("MESA_DEBUG")) { |
| _mesa_debug( NULL, "%s", msg ); |
| } |
| } |
| #endif |
| |
| |
| void _mesa_init_all_x86_64_transform_asm(void) |
| { |
| #ifdef USE_X86_64_ASM |
| unsigned int regs[4]; |
| |
| if ( getenv( "MESA_NO_ASM" ) ) { |
| return; |
| } |
| |
| message("Initializing x86-64 optimizations\n"); |
| |
| |
| _mesa_transform_tab[4][MATRIX_GENERAL] = |
| _mesa_x86_64_transform_points4_general; |
| _mesa_transform_tab[4][MATRIX_IDENTITY] = |
| _mesa_x86_64_transform_points4_identity; |
| _mesa_transform_tab[4][MATRIX_3D] = |
| _mesa_x86_64_transform_points4_3d; |
| |
| regs[0] = 0x80000001; |
| regs[1] = 0x00000000; |
| regs[2] = 0x00000000; |
| regs[3] = 0x00000000; |
| _mesa_x86_64_cpuid(regs); |
| if (regs[3] & (1U << 31)) { |
| message("3Dnow! detected\n"); |
| _mesa_transform_tab[4][MATRIX_3D_NO_ROT] = |
| _mesa_3dnow_transform_points4_3d_no_rot; |
| _mesa_transform_tab[4][MATRIX_PERSPECTIVE] = |
| _mesa_3dnow_transform_points4_perspective; |
| _mesa_transform_tab[4][MATRIX_2D_NO_ROT] = |
| _mesa_3dnow_transform_points4_2d_no_rot; |
| _mesa_transform_tab[4][MATRIX_2D] = |
| _mesa_3dnow_transform_points4_2d; |
| |
| } |
| |
| |
| #ifdef DEBUG_MATH |
| _math_test_all_transform_functions("x86_64"); |
| _math_test_all_cliptest_functions("x86_64"); |
| _math_test_all_normal_transform_functions("x86_64"); |
| #endif |
| |
| #endif |
| } |