void
HdRenderThread::StopRender()
{
if (IsRendering()) {
_enableRender.clear();
std::unique_lock<std::mutex> lock(_requestedStateMutex);
_requestedState = StateIdle;
_rendering.store(false);
}
}
void CSubPicAllocatorPresenterImpl::AlphaBltSubPic(const CRect& windowRect, const CRect& videoRect, SubPicDesc* pTarget)
{
CComPtr<ISubPic> pSubPic;
if (m_pSubPicQueue->LookupSubPic(m_rtNow, !IsRendering(), pSubPic)) {
CRect rcSource, rcDest;
if (SUCCEEDED(pSubPic->GetSourceAndDest(windowRect, videoRect, rcSource, rcDest))) {
pSubPic->AlphaBlt(rcSource, rcDest, pTarget);
}
}
}
void
HdRenderThread::StartRender()
{
if (!IsRendering()) {
std::unique_lock<std::mutex> lock(_requestedStateMutex);
_enableRender.test_and_set();
_requestedState = StateRendering;
_rendering.store(true);
_requestedStateCV.notify_one();
}
}
