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/*
* Copyright 2019-2021 Diligent Graphics LLC
* Copyright 2015-2019 Egor Yusov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* In no event and under no legal theory, whether in tort (including negligence),
* contract, or otherwise, unless required by applicable law (such as deliberate
* and grossly negligent acts) or agreed to in writing, shall any Contributor be
* liable for any damages, including any direct, indirect, special, incidental,
* or consequential damages of any character arising as a result of this License or
* out of the use or inability to use the software (including but not limited to damages
* for loss of goodwill, work stoppage, computer failure or malfunction, or any and
* all other commercial damages or losses), even if such Contributor has been advised
* of the possibility of such damages.
*/
#include "pch.h"
#include "FenceD3D12Impl.hpp"
#include <thread>
#include <atlbase.h>
#include "RenderDeviceD3D12Impl.hpp"
namespace Diligent
{
FenceD3D12Impl::FenceD3D12Impl(IReferenceCounters* pRefCounters,
RenderDeviceD3D12Impl* pDevice,
const FenceDesc& Desc) :
TFenceBase{pRefCounters, pDevice, Desc}
{
auto* pd3d12Device = ValidatedCast<RenderDeviceD3D12Impl>(pDevice)->GetD3D12Device();
auto hr = pd3d12Device->CreateFence(0, D3D12_FENCE_FLAG_NONE, __uuidof(m_pd3d12Fence), reinterpret_cast<void**>(static_cast<ID3D12Fence**>(&m_pd3d12Fence)));
CHECK_D3D_RESULT_THROW(hr, "Failed to create D3D12 fence");
}
FenceD3D12Impl::~FenceD3D12Impl()
{
}
Uint64 FenceD3D12Impl::GetCompletedValue()
{
Uint64 Result = m_pd3d12Fence->GetCompletedValue();
VERIFY(Result != UINT64_MAX, "If the device has been removed, the return value will be UINT64_MAX");
return Result;
}
void FenceD3D12Impl::Reset(Uint64 Value)
{
m_pd3d12Fence->Signal(Value);
}
void FenceD3D12Impl::WaitForCompletion(Uint64 Value)
{
while (GetCompletedValue() < Value)
std::this_thread::yield();
}
} // namespace Diligent
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