|  | /* | 
|  | * Copyright (C) 2013 The Android Open Source Project | 
|  | * | 
|  | * Licensed under the Apache License, Version 2.0 (the "License"); | 
|  | * you may not use this file except in compliance with the License. | 
|  | * You may obtain a copy of the License at | 
|  | * | 
|  | *      http://www.apache.org/licenses/LICENSE-2.0 | 
|  | * | 
|  | * Unless required by applicable law or agreed to in writing, software | 
|  | * distributed under the License is distributed on an "AS IS" BASIS, | 
|  | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
|  | * See the License for the specific language governing permissions and | 
|  | * limitations under the License. | 
|  | */ | 
|  |  | 
|  | #ifndef ANDROID_GUI_SYNC_FEATURES_H | 
|  | #define ANDROID_GUI_SYNC_FEATURES_H | 
|  |  | 
|  | #include <utils/Singleton.h> | 
|  | #include <utils/String8.h> | 
|  |  | 
|  |  | 
|  | namespace android { | 
|  | // ---------------------------------------------------------------------------- | 
|  |  | 
|  | class SyncFeatures : public Singleton<SyncFeatures> { | 
|  | friend class Singleton<SyncFeatures>; | 
|  | bool mHasNativeFenceSync; | 
|  | bool mHasFenceSync; | 
|  | bool mHasWaitSync; | 
|  | String8 mString; | 
|  | SyncFeatures(); | 
|  |  | 
|  | public: | 
|  | bool useNativeFenceSync() const; | 
|  | bool useFenceSync() const; | 
|  | bool useWaitSync() const; | 
|  | String8 toString() const; | 
|  | }; | 
|  |  | 
|  | // ---------------------------------------------------------------------------- | 
|  | }; // namespace android | 
|  |  | 
|  | #endif // ANDROID_GUI_SYNC_FEATURES_H |