winMath.cpp

Public Functions

DefineEngineStringlyVariadicFunction(mathInit , void , 1 , 10 , "( ... )" "@brief Install the math library with specified <a href="/coding/file/cmdscan_8cpp/#cmdscan_8cpp_1aeab71244afb687f16d8c4f5ee9d6ef0e">extensions.\n\n</a>" "Possible parameters <a href="/coding/file/cmdscan_8cpp/#cmdscan_8cpp_1aeab71244afb687f16d8c4f5ee9d6ef0e">are:\n\n</a>" " - 'DETECT' Autodetect math lib <a href="/coding/file/cmdscan_8cpp/#cmdscan_8cpp_1aeab71244afb687f16d8c4f5ee9d6ef0e">settings.\n\n</a>" " - 'C' Enable the C math routines. C routines are always <a href="/coding/file/cmdscan_8cpp/#cmdscan_8cpp_1aeab71244afb687f16d8c4f5ee9d6ef0e">enabled.\n\n</a>" " - 'FPU' Enable floating point unit <a href="/coding/file/cmdscan_8cpp/#cmdscan_8cpp_1aeab71244afb687f16d8c4f5ee9d6ef0e">routines.\n\n</a>" " - 'MMX' Enable MMX math <a href="/coding/file/cmdscan_8cpp/#cmdscan_8cpp_1aeab71244afb687f16d8c4f5ee9d6ef0e">routines.\n\n</a>" " - '3DNOW' Enable 3dNow! math <a href="/coding/file/cmdscan_8cpp/#cmdscan_8cpp_1aeab71244afb687f16d8c4f5ee9d6ef0e">routines.\n\n</a>" " - 'SSE' Enable SSE math <a href="/coding/file/cmdscan_8cpp/#cmdscan_8cpp_1aeab71244afb687f16d8c4f5ee9d6ef0e">routines.\n\n</a>" "@ingroup <a href="/coding/class/structmath/">Math</a>" )

void

mInstall_AMD_Math()

void

mInstall_Library_SSE()

void

mInstallLibrary_ASM()

void

mInstallLibrary_C()

Detailed Description

Public Functions

DefineEngineStringlyVariadicFunction(mathInit , void , 1 , 10 , "( ... )" "@brief Install the math library with specified <a href="/coding/file/cmdscan_8cpp/#cmdscan_8cpp_1aeab71244afb687f16d8c4f5ee9d6ef0e">extensions.\n\n</a>" "Possible parameters <a href="/coding/file/cmdscan_8cpp/#cmdscan_8cpp_1aeab71244afb687f16d8c4f5ee9d6ef0e">are:\n\n</a>" " - 'DETECT' Autodetect math lib <a href="/coding/file/cmdscan_8cpp/#cmdscan_8cpp_1aeab71244afb687f16d8c4f5ee9d6ef0e">settings.\n\n</a>" " - 'C' Enable the C math routines. C routines are always <a href="/coding/file/cmdscan_8cpp/#cmdscan_8cpp_1aeab71244afb687f16d8c4f5ee9d6ef0e">enabled.\n\n</a>" " - 'FPU' Enable floating point unit <a href="/coding/file/cmdscan_8cpp/#cmdscan_8cpp_1aeab71244afb687f16d8c4f5ee9d6ef0e">routines.\n\n</a>" " - 'MMX' Enable MMX math <a href="/coding/file/cmdscan_8cpp/#cmdscan_8cpp_1aeab71244afb687f16d8c4f5ee9d6ef0e">routines.\n\n</a>" " - '3DNOW' Enable 3dNow! math <a href="/coding/file/cmdscan_8cpp/#cmdscan_8cpp_1aeab71244afb687f16d8c4f5ee9d6ef0e">routines.\n\n</a>" " - 'SSE' Enable SSE math <a href="/coding/file/cmdscan_8cpp/#cmdscan_8cpp_1aeab71244afb687f16d8c4f5ee9d6ef0e">routines.\n\n</a>" "@ingroup <a href="/coding/class/structmath/">Math</a>" )

mInstall_AMD_Math()

mInstall_Library_SSE()

mInstallLibrary_ASM()

mInstallLibrary_C()

  1
  2//-----------------------------------------------------------------------------
  3// Copyright (c) 2012 GarageGames, LLC
  4//
  5// Permission is hereby granted, free of charge, to any person obtaining a copy
  6// of this software and associated documentation files (the "Software"), to
  7// deal in the Software without restriction, including without limitation the
  8// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  9// sell copies of the Software, and to permit persons to whom the Software is
 10// furnished to do so, subject to the following conditions:
 11//
 12// The above copyright notice and this permission notice shall be included in
 13// all copies or substantial portions of the Software.
 14//
 15// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 16// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 17// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 18// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 19// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 20// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 21// IN THE SOFTWARE.
 22//-----------------------------------------------------------------------------
 23
 24#include "core/strings/stringFunctions.h"
 25#include "console/console.h"
 26#include "console/engineAPI.h"
 27
 28#include "math/mMath.h"
 29
 30
 31extern void mInstallLibrary_C();
 32extern void mInstallLibrary_ASM();
 33extern void mInstall_AMD_Math();
 34extern void mInstall_Library_SSE();
 35
 36//--------------------------------------
 37DefineEngineStringlyVariadicFunction( mathInit, void, 1, 10, "( ... )"
 38                "@brief Install the math library with specified extensions.\n\n"
 39                "Possible parameters are:\n\n"
 40                "    - 'DETECT' Autodetect math lib settings.\n\n"
 41                "    - 'C' Enable the C math routines. C routines are always enabled.\n\n"
 42                "    - 'FPU' Enable floating point unit routines.\n\n"
 43                "    - 'MMX' Enable MMX math routines.\n\n"
 44                "    - '3DNOW' Enable 3dNow! math routines.\n\n"
 45                "    - 'SSE' Enable SSE math routines.\n\n"
 46            "@ingroup Math")
 47
 48
 49{
 50   U32 properties = CPU_PROP_C;  // C entensions are always used
 51
 52   if (argc == 1)
 53   {
 54         Math::init(0);
 55         return;
 56   }
 57   for (argc--, argv++; argc; argc--, argv++)
 58   {
 59      if (dStricmp(*argv, "DETECT") == 0) {
 60         Math::init(0);
 61         return;
 62      }
 63      if (dStricmp(*argv, "C") == 0) {
 64         properties |= CPU_PROP_C;
 65         continue;
 66      }
 67      if (dStricmp(*argv, "FPU") == 0) {
 68         properties |= CPU_PROP_FPU;
 69         continue;
 70      }
 71      if (dStricmp(*argv, "MMX") == 0) {
 72         properties |= CPU_PROP_MMX;
 73         continue;
 74      }
 75      if (dStricmp(*argv, "3DNOW") == 0) {
 76         properties |= CPU_PROP_3DNOW;
 77         continue;
 78      }
 79      if (dStricmp(*argv, "SSE") == 0) {
 80         properties |= CPU_PROP_SSE;
 81         continue;
 82      }
 83      Con::printf("Error: MathInit(): ignoring unknown math extension '%s'", argv->getStringValue());
 84   }
 85   Math::init(properties);
 86}
 87
 88
 89
 90//------------------------------------------------------------------------------
 91void Math::init(U32 properties)
 92{
 93   if (!properties)
 94      // detect what's available
 95      properties = Platform::SystemInfo.processor.properties;
 96   else
 97      // Make sure we're not asking for anything that's not supported
 98      properties &= Platform::SystemInfo.processor.properties;
 99
100   Con::printf("Math Init:");
101   Con::printf("   Installing Standard C extensions");
102   mInstallLibrary_C();
103
104   Con::printf("   Installing Assembly extensions");
105   mInstallLibrary_ASM();
106
107   if (properties & CPU_PROP_FPU)
108   {
109      Con::printf("   Installing FPU extensions");
110   }
111
112   if (properties & CPU_PROP_MMX)
113   {
114      Con::printf("   Installing MMX extensions");
115      if (properties & CPU_PROP_3DNOW)
116      {
117         Con::printf("   Installing 3DNow extensions");
118         mInstall_AMD_Math();
119      }
120   }
121
122   if (properties & CPU_PROP_SSE)
123   {
124      Con::printf("   Installing SSE extensions");
125      mInstall_Library_SSE();
126   }
127
128   Con::printf(" ");
129}
130
131
132