who calls SurfaceFlinger::composite

Step1:

first register a callback by calling function: VSyncDispatchTimerQueue::registerCallback() to VSyncDispatchTimerQueue::mCallbacks.

Step2:

then VSyncDispatchTimerQueue::mCallbacks will be invoked by:

VSyncCallbackRegistration::schedule()

VSyncDispatchTimerQueue::schedule()

VSyncDispatchTimerQueue::timerCallback()

MessageQueue::vsyncCallback()

MessageQueue::Handler::dispatchFrame()

MessageQueue::Handler::handleMessage()

SurfaceFlinger::composite()


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16