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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_gfx_layers_d3d11_HelpersD3D11_h
#define mozilla_gfx_layers_d3d11_HelpersD3D11_h
#include <d3d11.h>
#include <array>
#include "mozilla/Telemetry.h"
#include "mozilla/TimeStamp.h"
namespace mozilla {
namespace layers {
template <typename T>
static inline bool WaitForGPUQuery(ID3D11Device* aDevice,
ID3D11DeviceContext* aContext,
ID3D11Query* aQuery, T* aOut) {
TimeStamp start = TimeStamp::Now();
while (aContext->GetData(aQuery, aOut, sizeof(*aOut), 0) != S_OK) {
if (aDevice->GetDeviceRemovedReason() != S_OK) {
return false;
}
if (TimeStamp::Now() - start > TimeDuration::FromSeconds(2)) {
return false;
}
Sleep(0);
}
return true;
}
static inline bool WaitForFrameGPUQuery(ID3D11Device* aDevice,
ID3D11DeviceContext* aContext,
ID3D11Query* aQuery, BOOL* aOut) {
TimeStamp start = TimeStamp::Now();
bool success = true;
while (aContext->GetData(aQuery, aOut, sizeof(*aOut), 0) != S_OK) {
if (aDevice->GetDeviceRemovedReason() != S_OK) {
return false;
}
if (TimeStamp::Now() - start > TimeDuration::FromSeconds(2)) {
success = false;
break;
}
Sleep(0);
}
Telemetry::AccumulateTimeDelta(Telemetry::GPU_WAIT_TIME_MS, start);
return success;
}
inline void ClearResource(ID3D11Device* const device, ID3D11Resource* const res,
const std::array<float, 4>& vals) {
RefPtr<ID3D11RenderTargetView> rtv;
(void)device->CreateRenderTargetView(res, nullptr, getter_AddRefs(rtv));
RefPtr<ID3D11DeviceContext> context;
device->GetImmediateContext(getter_AddRefs(context));
context->ClearRenderTargetView(rtv, vals.data());
}
} // namespace layers
} // namespace mozilla
#endif // mozilla_gfx_layers_d3d11_HelpersD3D11_h
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