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[d3d11] Sync frame latency after presentation

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Joshua Ashton 2021-06-01 17:03:12 +01:00 committed by Philip Rebohle
parent 0fe8f2e40c
commit f98a45b305
2 changed files with 11 additions and 10 deletions
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19
src/d3d11/d3d11_swapchain.cpp
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@ -178,9 +178,8 @@ namespace dxvk {
return DXGI_ERROR_INVALID_CALL;
m_frameLatency = MaxLatency;
m_frameLatencySignal->wait(m_frameId - GetActualFrameLatency());
SignalFrameLatencyEvent();
SyncFrameLatency();
return S_OK;
}
@ -241,10 +240,6 @@ namespace dxvk {
// Flush pending rendering commands before
auto immediateContext = static_cast<D3D11ImmediateContext*>(deviceContext.ptr());
immediateContext->Flush();
// Wait for the sync event so that we respect the maximum frame latency
uint64_t frameId = ++m_frameId;
m_frameLatencySignal->wait(frameId - GetActualFrameLatency());
for (uint32_t i = 0; i < SyncInterval || i < 1; i++) {
SynchronizePresent();
@ -283,12 +278,15 @@ namespace dxvk {
m_hud->render(m_context, info.format, info.imageExtent);
if (i + 1 >= SyncInterval)
m_context->signal(m_frameLatencySignal, frameId);
m_context->signal(m_frameLatencySignal, m_frameId);
SubmitPresent(immediateContext, sync, i);
}
SignalFrameLatencyEvent();
// Bump our frame id.
++m_frameId;
SyncFrameLatency();
return S_OK;
}
@ -536,7 +534,10 @@ namespace dxvk {
}
void D3D11SwapChain::SignalFrameLatencyEvent() {
void D3D11SwapChain::SyncFrameLatency() {
// Wait for the sync event so that we respect the maximum frame latency
m_frameLatencySignal->wait(m_frameId - GetActualFrameLatency());
if (m_frameLatencyEvent) {
// Signal event with the same value that we'd wait for during the next present.
m_frameLatencySignal->setEvent(m_frameLatencyEvent, m_frameId - GetActualFrameLatency() + 1);

2
src/d3d11/d3d11_swapchain.h
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@ -134,7 +134,7 @@ namespace dxvk {
void DestroyFrameLatencyEvent();
void SignalFrameLatencyEvent();
void SyncFrameLatency();
uint32_t GetActualFrameLatency();