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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::BufferD3D11Impl class
#include <atlbase.h>
#include "EngineD3D11ImplTraits.hpp"
#include "BufferBase.hpp"
namespace Diligent
{
/// Buffer object implementation in Direct3D11 backend.
class BufferD3D11Impl final : public BufferBase<EngineD3D11ImplTraits>
{
public:
using TBufferBase = BufferBase<EngineD3D11ImplTraits>;
BufferD3D11Impl(IReferenceCounters* pRefCounters,
FixedBlockMemoryAllocator& BuffViewObjMemAllocator,
RenderDeviceD3D11Impl* pDeviceD3D11,
const BufferDesc& BuffDesc,
const BufferData* pBuffData = nullptr);
BufferD3D11Impl(IReferenceCounters* pRefCounters,
FixedBlockMemoryAllocator& BuffViewObjMemAllocator,
RenderDeviceD3D11Impl* pDeviceD3D11,
const BufferDesc& BuffDesc,
RESOURCE_STATE InitialState,
ID3D11Buffer* pd3d11Buffer);
~BufferD3D11Impl();
virtual void DILIGENT_CALL_TYPE QueryInterface(const INTERFACE_ID& IID, IObject** ppInterface) override final;
/// Implementation of IBufferD3D11::GetD3D11Buffer().
virtual ID3D11Buffer* DILIGENT_CALL_TYPE GetD3D11Buffer() override final { return m_pd3d11Buffer; }
/// Implementation of IBuffer::GetNativeHandle().
virtual void* DILIGENT_CALL_TYPE GetNativeHandle() override final { return GetD3D11Buffer(); }
void AddState(RESOURCE_STATE State)
{
m_State = static_cast<RESOURCE_STATE>(m_State & ~static_cast<Uint32>(RESOURCE_STATE_UNDEFINED));
m_State = static_cast<RESOURCE_STATE>(m_State | State);
}
void ClearState(RESOURCE_STATE State)
{
VERIFY_EXPR(IsInKnownState());
m_State = static_cast<RESOURCE_STATE>(m_State & ~static_cast<Uint32>(State));
if (m_State == RESOURCE_STATE_UNKNOWN)
m_State = RESOURCE_STATE_UNDEFINED;
}
private:
virtual void CreateViewInternal(const struct BufferViewDesc& ViewDesc, IBufferView** ppView, bool bIsDefaultView) override;
void CreateUAV(struct BufferViewDesc& UAVDesc, ID3D11UnorderedAccessView** ppD3D11UAV);
void CreateSRV(struct BufferViewDesc& SRVDesc, ID3D11ShaderResourceView** ppD3D11SRV);
friend class DeviceContextD3D11Impl;
CComPtr<ID3D11Buffer> m_pd3d11Buffer; ///< D3D11 buffer object
};
} // namespace Diligent
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