/**
***************************************************************************************************
* DX12CmdListProfiler::WaitForFence
*
* @brief
* Wait for a fence to come back.
***************************************************************************************************
*/
void DX12CmdListProfiler::WaitForFence(UINT64 fenceValue)
{
if (IsFenceComplete(fenceValue) == false)
{
m_pFence->SetEventOnCompletion(fenceValue, m_fenceEvent);
WaitForSingleObject(m_fenceEvent, INFINITE);
m_lastCompletedFenceValue = fenceValue;
}
}
void RenderDeviceD3D12Impl::WaitForFence(Uint64 FenceValue)
{
if (IsFenceComplete(FenceValue))
return;
// TODO: Think about how this might affect a multi-threaded situation. Suppose thread A
// wants to wait for fence 100, then thread B comes along and wants to wait for 99. If
// the fence can only have one event set on completion, then thread B has to wait for
// 100 before it knows 99 is ready. Maybe insert sequential events?
{
std::lock_guard<std::mutex> LockGuard(m_EventMutex);
m_pFence->SetEventOnCompletion(FenceValue, m_FenceEventHandle);
WaitForSingleObject(m_FenceEventHandle, INFINITE);
m_LastCompletedFenceValue = FenceValue;
}
}
