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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.
*/
#pragma once
/// \file
/// Declaration of Diligent::TopLevelASD3D12Impl class
#include "EngineD3D12ImplTraits.hpp"
#include "TopLevelASBase.hpp"
#include "D3D12ResourceBase.hpp"
#include "BottomLevelASD3D12Impl.hpp" // Required by TopLevelASBase
#include "DescriptorHeap.hpp"
namespace Diligent
{
/// Top-level acceleration structure object implementation in Direct3D12 backend.
class TopLevelASD3D12Impl final : public TopLevelASBase<EngineD3D12ImplTraits>, public D3D12ResourceBase
{
public:
using TTopLevelASBase = TopLevelASBase<EngineD3D12ImplTraits>;
TopLevelASD3D12Impl(IReferenceCounters* pRefCounters,
class RenderDeviceD3D12Impl* pDeviceD3D12,
const TopLevelASDesc& Desc);
TopLevelASD3D12Impl(IReferenceCounters* pRefCounters,
class RenderDeviceD3D12Impl* pDeviceD3D12,
const TopLevelASDesc& Desc,
RESOURCE_STATE InitialState,
ID3D12Resource* pd3d12TLAS);
~TopLevelASD3D12Impl();
IMPLEMENT_QUERY_INTERFACE_IN_PLACE(IID_TopLevelASD3D12, TTopLevelASBase)
/// Implementation of ITopLevelASD3D12D3D12::GetD3D12TLAS().
virtual ID3D12Resource* DILIGENT_CALL_TYPE GetD3D12TLAS() override final { return GetD3D12Resource(); }
/// Implementation of ITopLevelASD3D12::GetNativeHandle() in Direct3D12 backend.
virtual void* DILIGENT_CALL_TYPE GetNativeHandle() override final { return GetD3D12TLAS(); }
D3D12_GPU_VIRTUAL_ADDRESS GetGPUAddress()
{
return GetD3D12Resource()->GetGPUVirtualAddress();
}
/// Implementation of ITopLevelASD3D12::GetCPUDescriptorHandle() in Direct3D12 backend.
virtual D3D12_CPU_DESCRIPTOR_HANDLE DILIGENT_CALL_TYPE GetCPUDescriptorHandle() override final
{
return m_DescriptorHandle.GetCpuHandle();
}
private:
// Allocation in a CPU-only descriptor heap
DescriptorHeapAllocation m_DescriptorHandle;
};
} // namespace Diligent
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