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[d3d11] Implicitly flush when queueing an event query

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Significantly improves GPU utilization in Quake Champions.
This commit is contained in:
Philip Rebohle 2018-10-17 17:22:52 +02:00
parent 5ecfbd8425
commit 5124fd87d5
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GPG Key ID: C8CC613427A31C99
2 changed files with 25 additions and 8 deletions
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28
src/d3d11/d3d11_context_imm.cpp
View File

@ -48,6 +48,20 @@ namespace dxvk {
}
void STDMETHODCALLTYPE D3D11ImmediateContext::End(
ID3D11Asynchronous* pAsync) {
D3D11DeviceContext::End(pAsync);
if (pAsync) {
D3D11_QUERY_DESC desc;
static_cast<D3D11Query*>(pAsync)->GetDesc(&desc);
if (desc.Query == D3D11_QUERY_EVENT)
FlushImplicit(TRUE);
}
}
HRESULT STDMETHODCALLTYPE D3D11ImmediateContext::GetData(
ID3D11Asynchronous* pAsync,
void* pData,
@ -75,7 +89,7 @@ namespace dxvk {
// If we're likely going to spin on the asynchronous object,
// flush the context so that we're keeping the GPU busy
if (hr == S_FALSE)
FlushImplicit();
FlushImplicit(FALSE);
return hr;
}
@ -116,7 +130,7 @@ namespace dxvk {
// As an optimization, flush everything if the
// number of pending draw calls is high enough.
FlushImplicit();
FlushImplicit(FALSE);
// Dispatch command list to the CS thread and
// restore the immediate context's state
@ -193,7 +207,7 @@ namespace dxvk {
UINT NumViews,
ID3D11RenderTargetView* const* ppRenderTargetViews,
ID3D11DepthStencilView* pDepthStencilView) {
FlushImplicit();
FlushImplicit(FALSE);
D3D11DeviceContext::OMSetRenderTargets(
NumViews, ppRenderTargetViews, pDepthStencilView);
@ -208,7 +222,7 @@ namespace dxvk {
UINT NumUAVs,
ID3D11UnorderedAccessView* const* ppUnorderedAccessViews,
const UINT* pUAVInitialCounts) {
FlushImplicit();
FlushImplicit(FALSE);
D3D11DeviceContext::OMSetRenderTargetsAndUnorderedAccessViews(
NumRTVs, ppRenderTargetViews, pDepthStencilView,
@ -429,7 +443,7 @@ namespace dxvk {
// We don't have to wait, but misbehaving games may
// still try to spin on `Map` until the resource is
// idle, so we should flush pending commands
FlushImplicit();
FlushImplicit(FALSE);
return false;
} else {
// Make sure pending commands using the resource get
@ -452,10 +466,10 @@ namespace dxvk {
}
void D3D11ImmediateContext::FlushImplicit() {
void D3D11ImmediateContext::FlushImplicit(BOOL StrongHint) {
// Flush only if the GPU is about to go idle, in
// order to keep the number of submissions low.
if (m_device->pendingSubmissions() <= MaxPendingSubmits) {
if (StrongHint || m_device->pendingSubmissions() <= MaxPendingSubmits) {
auto now = std::chrono::high_resolution_clock::now();
// Prevent flushing too often in short intervals.

5
src/d3d11/d3d11_context_imm.h
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@ -25,6 +25,9 @@ namespace dxvk {
UINT STDMETHODCALLTYPE GetContextFlags();
void STDMETHODCALLTYPE End(
ID3D11Asynchronous* pAsync);
HRESULT STDMETHODCALLTYPE GetData(
ID3D11Asynchronous* pAsync,
void* pData,
@ -101,7 +104,7 @@ namespace dxvk {
void EmitCsChunk(DxvkCsChunkRef&& chunk);
void FlushImplicit();
void FlushImplicit(BOOL StrongHint);
};