зеркало из https://github.com/mozilla/gecko-dev.git
35 строки
1023 B
C++
35 строки
1023 B
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_gfx_layers_d3d11_HelpersD3D11_h
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#define mozilla_gfx_layers_d3d11_HelpersD3D11_h
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#include <d3d11.h>
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#include "mozilla/TimeStamp.h"
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namespace mozilla {
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namespace layers {
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template <typename T> static inline bool
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WaitForGPUQuery(ID3D11Device* aDevice, ID3D11DeviceContext* aContext, ID3D11Query* aQuery, T* aOut)
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{
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TimeStamp start = TimeStamp::Now();
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while (aContext->GetData(aQuery, aOut, sizeof(*aOut), 0) != S_OK) {
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if (aDevice->GetDeviceRemovedReason() != S_OK) {
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return false;
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}
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if (TimeStamp::Now() - start > TimeDuration::FromSeconds(2)) {
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return false;
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}
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Sleep(0);
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}
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return true;
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}
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} // namespace layers
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} // namespace gfx
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#endif // mozilla_gfx_layers_d3d11_HelpersD3D11_h
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