1 2 /* 3 * Mesa 3-D graphics library 4 * 5 * Copyright (C) 1999-2003 Brian Paul All Rights Reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included 15 * in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 23 * OTHER DEALINGS IN THE SOFTWARE. 24 */ 25 26 /* 27 * x86-64 optimizations shamelessy converted from x86/sse/3dnow assembly by 28 * Mikko Tiihonen 29 */ 30 31 #ifdef USE_X86_64_ASM 32 33 #include "main/glheader.h" 34 #include "main/context.h" 35 #include "math/m_xform.h" 36 #include "tnl/t_context.h" 37 #include "x86-64.h" 38 #include "../x86/x86_xform.h" 39 40 #ifdef DEBUG 41 #include "math/m_debug.h" 42 #endif 43 44 extern void _mesa_x86_64_cpuid(unsigned int *regs); 45 46 DECLARE_XFORM_GROUP( x86_64, 4 ) 47 DECLARE_XFORM_GROUP( 3dnow, 4 ) 48 49 #else 50 /* just to silence warning below */ 51 #include "x86-64.h" 52 #endif 53 54 /* 55 extern void _mesa_x86_64_transform_points4_general( XFORM_ARGS ); 56 extern void _mesa_x86_64_transform_points4_identity( XFORM_ARGS ); 57 extern void _mesa_x86_64_transform_points4_perspective( XFORM_ARGS ); 58 extern void _mesa_x86_64_transform_points4_3d( XFORM_ARGS ); 59 extern void _mesa_x86_64_transform_points4_3d_no_rot( XFORM_ARGS ); 60 extern void _mesa_x86_64_transform_points4_2d_no_rot( XFORM_ARGS ); 61 extern void _mesa_x86_64_transform_points4_2d( XFORM_ARGS ); 62 */ 63 64 #ifdef USE_X86_64_ASM 65 static void message( const char *msg ) 66 { 67 if (getenv("MESA_DEBUG")) { 68 _mesa_debug( NULL, "%s", msg ); 69 } 70 } 71 #endif 72 73 74 void _mesa_init_all_x86_64_transform_asm(void) 75 { 76 #ifdef USE_X86_64_ASM 77 unsigned int regs[4]; 78 79 if ( getenv( "MESA_NO_ASM" ) ) { 80 return; 81 } 82 83 message("Initializing x86-64 optimizations\n"); 84 85 86 _mesa_transform_tab[4][MATRIX_GENERAL] = 87 _mesa_x86_64_transform_points4_general; 88 _mesa_transform_tab[4][MATRIX_IDENTITY] = 89 _mesa_x86_64_transform_points4_identity; 90 _mesa_transform_tab[4][MATRIX_3D] = 91 _mesa_x86_64_transform_points4_3d; 92 93 regs[0] = 0x80000001; 94 regs[1] = 0x00000000; 95 regs[2] = 0x00000000; 96 regs[3] = 0x00000000; 97 _mesa_x86_64_cpuid(regs); 98 if (regs[3] & (1U << 31)) { 99 message("3Dnow! detected\n"); 100 _mesa_transform_tab[4][MATRIX_3D_NO_ROT] = 101 _mesa_3dnow_transform_points4_3d_no_rot; 102 _mesa_transform_tab[4][MATRIX_PERSPECTIVE] = 103 _mesa_3dnow_transform_points4_perspective; 104 _mesa_transform_tab[4][MATRIX_2D_NO_ROT] = 105 _mesa_3dnow_transform_points4_2d_no_rot; 106 _mesa_transform_tab[4][MATRIX_2D] = 107 _mesa_3dnow_transform_points4_2d; 108 109 } 110 111 112 #ifdef DEBUG_MATH 113 _math_test_all_transform_functions("x86_64"); 114 _math_test_all_cliptest_functions("x86_64"); 115 _math_test_all_normal_transform_functions("x86_64"); 116 #endif 117 118 #endif 119 } 120
