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130 lines
3.6 KiB
C
130 lines
3.6 KiB
C
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/*
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* Mesa 3-D graphics library
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* Version: 6.3
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*
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* Copyright (C) 1999-2003 Brian Paul All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* x86-64 optimizations shamelessy converted from x86/sse/3dnow assembly by
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* Mikko Tiihonen
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*/
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#ifdef USE_X86_64_ASM
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#include "main/glheader.h"
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#include "main/context.h"
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#include "math/m_xform.h"
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#include "tnl/t_context.h"
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#include "x86-64.h"
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#include "../x86/x86_xform.h"
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#ifdef DEBUG
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#include "math/m_debug.h"
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#endif
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extern void _mesa_x86_64_cpuid(unsigned int *regs);
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DECLARE_XFORM_GROUP( x86_64, 4 )
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DECLARE_XFORM_GROUP( 3dnow, 4 )
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#else
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/* just to silence warning below */
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#include "x86-64.h"
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#endif
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/*
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extern void _mesa_x86_64_transform_points4_general( XFORM_ARGS );
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extern void _mesa_x86_64_transform_points4_identity( XFORM_ARGS );
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extern void _mesa_x86_64_transform_points4_perspective( XFORM_ARGS );
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extern void _mesa_x86_64_transform_points4_3d( XFORM_ARGS );
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extern void _mesa_x86_64_transform_points4_3d_no_rot( XFORM_ARGS );
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extern void _mesa_x86_64_transform_points4_2d_no_rot( XFORM_ARGS );
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extern void _mesa_x86_64_transform_points4_2d( XFORM_ARGS );
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*/
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#ifdef USE_X86_64_ASM
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static void message( const char *msg )
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{
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GLboolean debug;
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#ifdef DEBUG
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debug = GL_TRUE;
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#else
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if ( _mesa_getenv( "MESA_DEBUG" ) ) {
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debug = GL_TRUE;
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} else {
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debug = GL_FALSE;
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}
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#endif
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if ( debug ) {
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_mesa_debug( NULL, "%s", msg );
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}
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}
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#endif
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void _mesa_init_all_x86_64_transform_asm(void)
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{
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#ifdef USE_X86_64_ASM
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unsigned int regs[4];
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if ( _mesa_getenv( "MESA_NO_ASM" ) ) {
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return;
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}
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message("Initializing x86-64 optimizations\n");
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_mesa_transform_tab[4][MATRIX_GENERAL] =
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_mesa_x86_64_transform_points4_general;
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_mesa_transform_tab[4][MATRIX_IDENTITY] =
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_mesa_x86_64_transform_points4_identity;
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_mesa_transform_tab[4][MATRIX_3D] =
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_mesa_x86_64_transform_points4_3d;
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regs[0] = 0x80000001;
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regs[1] = 0x00000000;
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regs[2] = 0x00000000;
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regs[3] = 0x00000000;
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_mesa_x86_64_cpuid(regs);
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if (regs[3] & (1U << 31)) {
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message("3Dnow! detected\n");
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_mesa_transform_tab[4][MATRIX_3D_NO_ROT] =
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_mesa_3dnow_transform_points4_3d_no_rot;
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_mesa_transform_tab[4][MATRIX_PERSPECTIVE] =
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_mesa_3dnow_transform_points4_perspective;
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_mesa_transform_tab[4][MATRIX_2D_NO_ROT] =
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_mesa_3dnow_transform_points4_2d_no_rot;
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_mesa_transform_tab[4][MATRIX_2D] =
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_mesa_3dnow_transform_points4_2d;
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}
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#ifdef DEBUG_MATH
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_math_test_all_transform_functions("x86_64");
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_math_test_all_cliptest_functions("x86_64");
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_math_test_all_normal_transform_functions("x86_64");
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#endif
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#endif
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}
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