ssize_t SharedBufferClient::dequeue()
{
SharedBufferStack& stack( *mSharedStack );
if (stack.head == tail && stack.available == mNumBuffers) {
LOGW("dequeue: tail=%d, head=%d, avail=%d, queued=%d",
tail, stack.head, stack.available, stack.queued);
}
RWLock::AutoRLock _rd(mLock);
const nsecs_t dequeueTime = systemTime(SYSTEM_TIME_THREAD);
//LOGD("[%d] about to dequeue a buffer",
// mSharedStack->identity);
DequeueCondition condition(this);
status_t err = waitForCondition(condition);
if (err != NO_ERROR)
return ssize_t(err);
DequeueUpdate update(this);
updateCondition( update );
int dequeued = stack.index[tail];
tail = ((tail+1 >= mNumBuffers) ? 0 : tail+1);
LOGD_IF(DEBUG_ATOMICS, "dequeued=%d, tail++=%d, %s",
dequeued, tail, dump("").string());
mDequeueTime[dequeued] = dequeueTime;
return dequeued;
}
status_t SharedBufferClient::lock(int buf)
{
RWLock::AutoRLock _rd(mLock);
SharedBufferStack& stack( *mSharedStack );
LockCondition condition(this, buf);
status_t err = waitForCondition(condition);
return err;
}
ssize_t SharedBufferClient::numOfAvailableBuffer(bool lock)
{
SharedBufferStack& stack( *mSharedStack );
if(lock)
{
BufferAllFreeCondition condition(this);
status_t err = waitForCondition(condition);
if (err != NO_ERROR)
return 0;
}
return stack.numofbuffer;
}
void TestScriptingInterface::waitForProcessingIdle() {
auto statTracker = DependencyManager::get<StatTracker>();
waitForCondition(0, [statTracker]()->bool {
return (0 == statTracker->getStat("Processing").toInt() && 0 == statTracker->getStat("PendingProcessing").toInt());
});
}
void TestScriptingInterface::waitForDownloadIdle() {
waitForCondition(0, []()->bool {
return (0 == ResourceCache::getLoadingRequestCount()) && (0 == ResourceCache::getPendingRequestCount());
});
}
void TestScriptingInterface::waitForTextureIdle() {
waitForCondition(0, []()->bool {
return (0 == gpu::Context::getTexturePendingGPUTransferCount());
});
}
