virtual void SubmitAndFreeContextContainer(int32 Index, int32 Num) override
{
if (Index == 0)
{
check((IsInRenderingThread() || IsInRHIThread()));
OwningDevice->GetDefaultCommandContext().FlushCommands();
}
// Add the current lists for execution (now or possibly later)
for (int32 i = 0; i < CommandLists.Num(); ++i)
{
OwningDevice->PendingCommandLists.Add(CommandLists[i]);
OwningDevice->PendingCommandListsTotalWorkCommands +=
CommandLists[i].GetCurrentOwningContext()->numClears +
CommandLists[i].GetCurrentOwningContext()->numCopies +
CommandLists[i].GetCurrentOwningContext()->numDraws;
}
CommandLists.Reset();
// Submission occurs when a batch is finished
const bool FinalCommandListInBatch = Index == (Num - 1);
if (FinalCommandListInBatch && OwningDevice->PendingCommandLists.Num() > 0)
{
#if SUPPORTS_MEMORY_RESIDENCY
OwningDevice->GetOwningRHI()->GetResourceResidencyManager().MakeResident();
#endif
OwningDevice->GetCommandListManager().ExecuteCommandLists(OwningDevice->PendingCommandLists);
OwningDevice->PendingCommandLists.Reset();
OwningDevice->PendingCommandListsTotalWorkCommands = 0;
}
delete this;
}
FD3D12CommandListHandle FD3D12CommandContext::FlushCommands(bool WaitForCompletion)
{
// We should only be flushing the default context
check(IsDefaultContext());
FD3D12Device* Device = GetParentDevice();
const bool bExecutePendingWork = GCommandListBatchingMode == CLB_AggressiveBatching || GetParentDevice()->IsGPUIdle();
const bool bHasPendingWork = bExecutePendingWork && (Device->PendingCommandListsTotalWorkCommands > 0);
const bool bHasDoneWork = HasDoneWork() || bHasPendingWork;
// Only submit a command list if it does meaningful work or the flush is expected to wait for completion.
if (WaitForCompletion || bHasDoneWork)
{
#if SUPPORTS_MEMORY_RESIDENCY
Device->GetOwningRHI()->GetResourceResidencyManager().MakeResident();
#endif
// Close the current command list
CloseCommandList();
if (bHasPendingWork)
{
// Submit all pending command lists and the current command list
Device->PendingCommandLists.Add(CommandListHandle);
GetCommandListManager().ExecuteCommandLists(Device->PendingCommandLists, WaitForCompletion);
Device->PendingCommandLists.Reset();
Device->PendingCommandListsTotalWorkCommands = 0;
}
else
{
// Just submit the current command list
CommandListHandle.Execute(WaitForCompletion);
}
// Get a new command list to replace the one we submitted for execution.
// Restore the state from the previous command list.
OpenCommandList(true);
}
return CommandListHandle;
}