webrtc_m130/system_wrappers/include/cpu_features_wrapper.h
Mirko Bonadei bb547203bf Moving src/webrtc into src/.
In order to eliminate the WebRTC Subtree mirror in Chromium, 
WebRTC is moving the content of the src/webrtc directory up
to the src/ directory.

NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
TBR=tommi@webrtc.org

Bug: chromium:611808
Change-Id: Iac59c5b51b950f174119565bac87955a7994bc38
Reviewed-on: https://webrtc-review.googlesource.com/1560
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#19845}
2017-09-15 04:25:06 +00:00

52 lines
1.5 KiB
C

/*
* 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.
*/
#ifndef WEBRTC_SYSTEM_WRAPPERS_INCLUDE_CPU_FEATURES_WRAPPER_H_
#define WEBRTC_SYSTEM_WRAPPERS_INCLUDE_CPU_FEATURES_WRAPPER_H_
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#include "webrtc/typedefs.h"
// List of features in x86.
typedef enum {
kSSE2,
kSSE3
} CPUFeature;
// List of features in ARM.
enum {
kCPUFeatureARMv7 = (1 << 0),
kCPUFeatureVFPv3 = (1 << 1),
kCPUFeatureNEON = (1 << 2),
kCPUFeatureLDREXSTREX = (1 << 3)
};
typedef int (*WebRtc_CPUInfo)(CPUFeature feature);
// Returns true if the CPU supports the feature.
extern WebRtc_CPUInfo WebRtc_GetCPUInfo;
// No CPU feature is available => straight C path.
extern WebRtc_CPUInfo WebRtc_GetCPUInfoNoASM;
// Return the features in an ARM device.
// It detects the features in the hardware platform, and returns supported
// values in the above enum definition as a bitmask.
extern uint64_t WebRtc_GetCPUFeaturesARM(void);
#if defined(__cplusplus) || defined(c_plusplus)
} // extern "C"
#endif
#endif // WEBRTC_SYSTEM_WRAPPERS_INCLUDE_CPU_FEATURES_WRAPPER_H_