SF中DispSync.cpp源码分析
源码位置位于： /frameworks/native/services/surfaceflinger/DispSync.cpp先来看下构造方法：关键是初始化了DispSyncThread线程变量，暂时不看。看下init方法。0void DispSync::init(bool hasSyncFramework, int64_t dispSyncPresentTimeOffset) {391 mIgnorePresentFences = !hasSyncFramework;392 mPr
