68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 <array>
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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>
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static inline bool WaitForGPUQuery(ID3D11Device* aDevice,
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ID3D11DeviceContext* aContext,
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ID3D11Query* aQuery, T* aOut) {
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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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static inline bool WaitForFrameGPUQuery(ID3D11Device* aDevice,
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ID3D11DeviceContext* aContext,
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ID3D11Query* aQuery, BOOL* aOut) {
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TimeStamp start = TimeStamp::Now();
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bool success = true;
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while (aContext->GetData(aQuery, aOut, sizeof(*aOut), 0) != S_OK) {
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HRESULT hr = aDevice->GetDeviceRemovedReason();
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if (hr != S_OK) {
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gfxCriticalNoteOnce << "WaitForFrameGPUQuery device removed: "
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<< gfx::hexa(hr);
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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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success = false;
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break;
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}
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Sleep(0);
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}
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return success;
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}
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inline void ClearResource(ID3D11Device* const device, ID3D11Resource* const res,
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const std::array<float, 4>& vals) {
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RefPtr<ID3D11RenderTargetView> rtv;
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(void)device->CreateRenderTargetView(res, nullptr, getter_AddRefs(rtv));
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RefPtr<ID3D11DeviceContext> context;
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device->GetImmediateContext(getter_AddRefs(context));
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context->ClearRenderTargetView(rtv, vals.data());
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}
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} // namespace layers
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} // namespace mozilla
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#endif // mozilla_gfx_layers_d3d11_HelpersD3D11_h
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