blob: 4cc0dcba5ef5d31059fc6863f30a0e4f00ce77ee [file] [log] [blame]
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
#include "webrtc/base/constructormagic.h"
namespace cricket {
class CpuInfo {
// The following flags must match libyuv/cpu_id.h values.
// Internal flag to indicate cpuid requires initialization.
static const int kCpuInit = 0x1;
// These flags are only valid on ARM processors.
static const int kCpuHasARM = 0x2;
static const int kCpuHasNEON = 0x4;
// 0x8 reserved for future ARM flag.
// These flags are only valid on x86 processors.
static const int kCpuHasX86 = 0x10;
static const int kCpuHasSSE2 = 0x20;
static const int kCpuHasSSSE3 = 0x40;
static const int kCpuHasSSE41 = 0x80;
static const int kCpuHasSSE42 = 0x100;
static const int kCpuHasAVX = 0x200;
static const int kCpuHasAVX2 = 0x400;
static const int kCpuHasERMS = 0x800;
// These flags are only valid on MIPS processors.
static const int kCpuHasMIPS = 0x1000;
static const int kCpuHasMIPS_DSP = 0x2000;
static const int kCpuHasMIPS_DSPR2 = 0x4000;
// Detect CPU has SSE2 etc.
static bool TestCpuFlag(int flag);
// For testing, allow CPU flags to be disabled.
static void MaskCpuFlagsForTest(int enable_flags);
// Detect an Intel Core I5 or better such as 4th generation Macbook Air.
bool IsCoreIOrBetter();
} // namespace cricket