x86_xform.c revision b4922b533155cc139ebafb111502bb55d2ad2ccf
1 2/* 3 * Mesa 3-D graphics library 4 * Version: 3.5 5 * 6 * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. 7 * 8 * Permission is hereby granted, free of charge, to any person obtaining a 9 * copy of this software and associated documentation files (the "Software"), 10 * to deal in the Software without restriction, including without limitation 11 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 12 * and/or sell copies of the Software, and to permit persons to whom the 13 * Software is furnished to do so, subject to the following conditions: 14 * 15 * The above copyright notice and this permission notice shall be included 16 * in all copies or substantial portions of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 21 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 22 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 */ 25 26/* 27 * Intel x86 assembly code by Josh Vanderhoof 28 */ 29 30#include "main/glheader.h" 31#include "main/context.h" 32#include "math/m_xform.h" 33#include "tnl/t_context.h" 34 35#include "x86_xform.h" 36#include "common_x86_asm.h" 37 38#ifdef USE_X86_ASM 39#ifdef USE_3DNOW_ASM 40#include "3dnow.h" 41#endif 42#ifdef USE_SSE_ASM 43#include "sse.h" 44#endif 45#endif 46 47#ifdef DEBUG_MATH 48#include "math/m_debug.h" 49#endif 50 51 52#ifdef USE_X86_ASM 53DECLARE_XFORM_GROUP( x86, 2 ) 54DECLARE_XFORM_GROUP( x86, 3 ) 55DECLARE_XFORM_GROUP( x86, 4 ) 56 57 58extern GLvector4f * _ASMAPI 59_mesa_x86_cliptest_points4( GLvector4f *clip_vec, 60 GLvector4f *proj_vec, 61 GLubyte clipMask[], 62 GLubyte *orMask, 63 GLubyte *andMask, 64 GLboolean viewport_z_clip ); 65 66extern GLvector4f * _ASMAPI 67_mesa_x86_cliptest_points4_np( GLvector4f *clip_vec, 68 GLvector4f *proj_vec, 69 GLubyte clipMask[], 70 GLubyte *orMask, 71 GLubyte *andMask, 72 GLboolean viewport_z_clip ); 73 74extern void _ASMAPI 75_mesa_v16_x86_cliptest_points4( GLfloat *first_vert, 76 GLfloat *last_vert, 77 GLubyte *or_mask, 78 GLubyte *and_mask, 79 GLubyte *clip_mask, 80 GLboolean viewport_z_clip ); 81 82extern void _ASMAPI 83_mesa_v16_x86_general_xform( GLfloat *dest, 84 const GLfloat *m, 85 const GLfloat *src, 86 GLuint src_stride, 87 GLuint count ); 88#endif 89 90 91#ifdef USE_X86_ASM 92static void _mesa_init_x86_transform_asm( void ) 93{ 94 ASSIGN_XFORM_GROUP( x86, 2 ); 95 ASSIGN_XFORM_GROUP( x86, 3 ); 96 ASSIGN_XFORM_GROUP( x86, 4 ); 97 98 _mesa_clip_tab[4] = _mesa_x86_cliptest_points4; 99 _mesa_clip_np_tab[4] = _mesa_x86_cliptest_points4_np; 100 101#ifdef DEBUG_MATH 102 _math_test_all_transform_functions( "x86" ); 103 _math_test_all_cliptest_functions( "x86" ); 104#endif 105} 106#endif 107 108 109void _mesa_init_all_x86_transform_asm( void ) 110{ 111 _mesa_get_x86_features(); 112 113#ifdef USE_X86_ASM 114 if ( _mesa_x86_cpu_features ) { 115 _mesa_init_x86_transform_asm(); 116 } 117 118#ifdef USE_MMX_ASM 119 if ( cpu_has_mmx ) { 120 if ( _mesa_getenv( "MESA_NO_MMX" ) == 0 ) { 121 _mesa_debug(NULL, "MMX cpu detected.\n"); 122 } else { 123 _mesa_x86_cpu_features &= ~(X86_FEATURE_MMX); 124 } 125 } 126#endif 127 128#ifdef USE_3DNOW_ASM 129 if ( cpu_has_3dnow ) { 130 if ( _mesa_getenv( "MESA_NO_3DNOW" ) == 0 ) { 131 _mesa_debug(NULL, "3DNow! cpu detected.\n"); 132 _mesa_init_3dnow_transform_asm(); 133 } else { 134 _mesa_x86_cpu_features &= ~(X86_FEATURE_3DNOW); 135 } 136 } 137#endif 138 139#ifdef USE_SSE_ASM 140 if ( cpu_has_xmm ) { 141 if ( _mesa_getenv( "MESA_NO_SSE" ) == 0 ) { 142 _mesa_debug(NULL, "SSE cpu detected.\n"); 143 if ( _mesa_getenv( "MESA_FORCE_SSE" ) == 0 ) { 144 _mesa_check_os_sse_support(); 145 } 146 if ( cpu_has_xmm ) { 147 _mesa_init_sse_transform_asm(); 148 } 149 } else { 150 _mesa_debug(NULL, "SSE cpu detected, but switched off by user.\n"); 151 _mesa_x86_cpu_features &= ~(X86_FEATURE_XMM); 152 } 153 } 154#endif 155#endif 156} 157