src/mesa/x86/common_x86_features.h

   1
   2 /*
   3  * Mesa 3-D graphics library
   4  *
   5  * Copyright (C) 1999-2001  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 CPUID feature information.  The raw data is returned by
  28  * _mesa_identify_x86_cpu_features() and interpreted with the cpu_has_*
  29  * helper macros.
  30  *
  31  * Gareth Hughes
  32  */
  33
  34 #ifndef __COMMON_X86_FEATURES_H__
  35 #define __COMMON_X86_FEATURES_H__
  36
  37 #define X86_FEATURE_FPU         (1<<0)
  38 #define X86_FEATURE_CMOV        (1<<1)
  39 #define X86_FEATURE_MMXEXT      (1<<2)
  40 #define X86_FEATURE_MMX         (1<<3)
  41 #define X86_FEATURE_FXSR        (1<<4)
  42 #define X86_FEATURE_XMM         (1<<5)
  43 #define X86_FEATURE_XMM2        (1<<6)
  44 #define X86_FEATURE_3DNOWEXT    (1<<7)
  45 #define X86_FEATURE_3DNOW       (1<<8)
  46 #define X86_FEATURE_SSE4_1      (1<<9)
  47
  48 /* standard X86 CPU features */
  49 #define X86_CPU_FPU             (1<<0)
  50 #define X86_CPU_CMOV            (1<<15)
  51 #define X86_CPU_MMX             (1<<23)
  52 #define X86_CPU_XMM             (1<<25)
  53 #define X86_CPU_XMM2            (1<<26)
  54 /* ECX. */
  55 #define X86_CPU_SSE4_1          (1<<19)
  56
  57 /* extended X86 CPU features */
  58 #define X86_CPUEXT_MMX_EXT      (1<<22)
  59 #define X86_CPUEXT_3DNOW_EXT    (1<<30)
  60 #define X86_CPUEXT_3DNOW        (1<<31)
  61
  62 #ifdef __MMX__
  63 #define cpu_has_mmx             1
  64 #else
  65 #define cpu_has_mmx             (_mesa_x86_cpu_features & X86_FEATURE_MMX)
  66 #endif
  67
  68 #define cpu_has_mmxext          (_mesa_x86_cpu_features & X86_FEATURE_MMXEXT)
  69
  70 #ifdef __SSE__
  71 #define cpu_has_xmm             1
  72 #else
  73 #define cpu_has_xmm             (_mesa_x86_cpu_features & X86_FEATURE_XMM)
  74 #endif
  75
  76 #ifdef __SSE2__
  77 #define cpu_has_xmm2            1
  78 #else
  79 #define cpu_has_xmm2            (_mesa_x86_cpu_features & X86_FEATURE_XMM2)
  80 #endif
  81
  82 #ifdef __3dNOW__
  83 #define cpu_has_3dnow           1
  84 #else
  85 #define cpu_has_3dnow           (_mesa_x86_cpu_features & X86_FEATURE_3DNOW)
  86 #endif
  87
  88 #define cpu_has_3dnowext        (_mesa_x86_cpu_features & X86_FEATURE_3DNOWEXT)
  89
  90 #ifdef __SSE4_1__
  91 #define cpu_has_sse4_1          1
  92 #else
  93 #define cpu_has_sse4_1          (_mesa_x86_cpu_features & X86_FEATURE_SSE4_1)
  94 #endif
  95
  96 #endif
  97