1/*
2 *  Copyright (c) 2011 The LibYuv project authors. All Rights Reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11#ifndef INCLUDE_LIBYUV_CPU_ID_H_
12#define INCLUDE_LIBYUV_CPU_ID_H_
13
14namespace libyuv {
15
16// These flags are only valid on x86 processors
17static const int kCpuHasSSE2 = 1;
18static const int kCpuHasSSSE3 = 2;
19
20// These flags are only valid on ARM processors
21static const int kCpuHasNEON = 4;
22
23// Internal flag to indicate cpuid is initialized.
24static const int kCpuInitialized = 8;
25
26// Detect CPU has SSE2 etc.
27bool TestCpuFlag(int flag);
28
29// For testing, allow CPU flags to be disabled.
30// ie MaskCpuFlags(~kCpuHasSSSE3) to disable SSSE3.  -1 to enable all.
31void MaskCpuFlags(int enable_flags);
32
33}  // namespace libyuv
34
35#endif  // INCLUDE_LIBYUV_CPU_ID_H_
36