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128 lines
4.1 KiB
128 lines
4.1 KiB
/*==LICENSE==* |
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CyanWorlds.com Engine - MMOG client, server and tools |
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Copyright (C) 2011 Cyan Worlds, Inc. |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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Additional permissions under GNU GPL version 3 section 7 |
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If you modify this Program, or any covered work, by linking or |
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combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, |
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NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent |
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JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK |
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(or a modified version of those libraries), |
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containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, |
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PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG |
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JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the |
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licensors of this Program grant you additional |
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permission to convey the resulting work. Corresponding Source for a |
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non-source form of such a combination shall include the source code for |
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the parts of OpenSSL and IJG JPEG Library used as well as that of the covered |
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work. |
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You can contact Cyan Worlds, Inc. by email legal@cyan.com |
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or by snail mail at: |
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Cyan Worlds, Inc. |
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14617 N Newport Hwy |
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Mead, WA 99021 |
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*==LICENSE==*/ |
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#include "hsCompilerSpecific.h" |
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#if defined(HAVE_CPUID) |
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# if defined(_MSC_VER) || ((defined(_WIN32) || defined(_WIN64)) && defined(__INTEL_COMPILER)) |
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# include <intrin.h> |
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# define MSC_COMPATIBLE |
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# elif defined(__GNUC__) |
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# include <cpuid.h> |
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# define GCC_COMPATIBLE |
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# else |
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# define SOFTWARE_ONLY |
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# endif |
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#else |
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# define SOFTWARE_ONLY |
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#endif |
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#include "hsCpuID.h" |
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hsCpuId::hsCpuId() { |
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enum : unsigned int { |
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// EAX=1; EDX=: |
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sse1_flag = 1U<<25, |
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sse2_flag = 1U<<26, |
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// EAX=1; ECX=: |
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sse3_flag = 1U<<0, |
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ssse3_flag = 1U<<9, |
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sse41_flag = 1U<<19, |
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sse42_flag = 1U<<20, |
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avx_flag = 1U<<28, |
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// EAX=7; ECX=0; EBX=: |
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avx2_flag = 1U<<5 |
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}; |
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union RegSet { |
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struct { |
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unsigned int eax, ebx, ecx, edx; |
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}; |
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int array[4]; |
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}; |
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RegSet CPUInfo_Features = { 0, 0, 0, 0 }; |
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RegSet CPUInfo_Ext = { 0, 0, 0, 0 }; |
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/** |
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* Portable implementation of CPUID, successfully tested with: |
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* - Microsoft Visual Studio 2010, |
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* - GNU GCC 4.5, |
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* - Intel C++ Compiler 12.0 |
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* - Sun Studio 12, |
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* - AMD x86 Open64 Compiler Suite. |
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* |
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* Ref: http://primesieve.googlecode.com/svn-history/r388/trunk/soe/cpuid.h |
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*/ |
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#if defined(MSC_COMPATIBLE) |
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__cpuid(CPUInfo_Features.array, 0); |
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// check if the CPU supports the cpuid instruction. |
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if (CPUInfo_Features.eax != 0) { |
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__cpuid(CPUInfo_Features.array, 1); |
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__cpuid(CPUInfo_Ext.array, 7); |
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} |
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#elif defined(GCC_COMPATIBLE) |
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__get_cpuid(1, &CPUInfo_Features.eax, &CPUInfo_Features.ebx, |
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&CPUInfo_Features.ecx, &CPUInfo_Features.edx); |
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__get_cpuid(7, &CPUInfo_Ext.eax, &CPUInfo_Ext.ebx, |
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&CPUInfo_Ext.ecx, &CPUInfo_Ext.edx); |
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#endif |
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has_sse1 = (CPUInfo_Features.edx & sse1_flag) || false; |
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has_sse2 = (CPUInfo_Features.edx & sse2_flag) || false; |
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has_sse3 = (CPUInfo_Features.ecx & sse3_flag) || false; |
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has_ssse3 = (CPUInfo_Features.ecx & ssse3_flag) || false; |
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has_sse41 = (CPUInfo_Features.ecx & sse41_flag) || false; |
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has_sse42 = (CPUInfo_Features.ecx & sse42_flag) || false; |
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has_avx = (CPUInfo_Features.ecx & avx_flag) || false; |
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has_avx2 = (CPUInfo_Ext.ebx & avx2_flag) || false; |
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} |
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const hsCpuId& hsCpuId::Instance() |
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{ |
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static hsCpuId self; |
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return self; |
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}
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