d4e598d57a
git-svn-id: http://webrtc.googlecode.com/svn/trunk@6799 4adac7df-926f-26a2-2b94-8c16560cd09d
77 lines
2.8 KiB
C++
77 lines
2.8 KiB
C++
/*
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* libjingle
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* Copyright 2011 Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TALK_MEDIA_BASE_CPUID_H_
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#define TALK_MEDIA_BASE_CPUID_H_
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#include "webrtc/base/basictypes.h" // For DISALLOW_IMPLICIT_CONSTRUCTORS
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namespace cricket {
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class CpuInfo {
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public:
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// The following flags must match libyuv/cpu_id.h values.
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// Internal flag to indicate cpuid requires initialization.
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static const int kCpuInit = 0x1;
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// These flags are only valid on ARM processors.
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static const int kCpuHasARM = 0x2;
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static const int kCpuHasNEON = 0x4;
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// 0x8 reserved for future ARM flag.
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// These flags are only valid on x86 processors.
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static const int kCpuHasX86 = 0x10;
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static const int kCpuHasSSE2 = 0x20;
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static const int kCpuHasSSSE3 = 0x40;
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static const int kCpuHasSSE41 = 0x80;
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static const int kCpuHasSSE42 = 0x100;
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static const int kCpuHasAVX = 0x200;
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static const int kCpuHasAVX2 = 0x400;
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static const int kCpuHasERMS = 0x800;
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// These flags are only valid on MIPS processors.
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static const int kCpuHasMIPS = 0x1000;
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static const int kCpuHasMIPS_DSP = 0x2000;
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static const int kCpuHasMIPS_DSPR2 = 0x4000;
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// Detect CPU has SSE2 etc.
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static bool TestCpuFlag(int flag);
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// For testing, allow CPU flags to be disabled.
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static void MaskCpuFlagsForTest(int enable_flags);
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private:
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DISALLOW_IMPLICIT_CONSTRUCTORS(CpuInfo);
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};
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// Detect an Intel Core I5 or better such as 4th generation Macbook Air.
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bool IsCoreIOrBetter();
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} // namespace cricket
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#endif // TALK_MEDIA_BASE_CPUID_H_
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