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o3de/Code/CryEngine/RenderDll/XRenderD3D9/DX12/API/DX12SwapChain.hpp

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C++

/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
// Original file Copyright Crytek GMBH or its affiliates, used under license.
#pragma once
#ifndef __DX12SWAPCHAIN__
#define __DX12SWAPCHAIN__
#include "DX12Base.hpp"
#include "DX12CommandList.hpp"
#include "DX12AsyncCommandQueue.hpp"
#include <AzCore/std/containers/vector.h>
class CCryDX12SwapChain;
namespace DX12
{
class SwapChain : public AzRHI::ReferenceCounted
{
public:
static SwapChain* Create(CommandList* pDevice, IDXGIFactory1* factory, DXGI_SWAP_CHAIN_DESC* pDesc);
protected:
SwapChain(CommandList* pDevice, IDXGISwapChain3* dxgiSwapChain, DXGI_SWAP_CHAIN_DESC* pDesc);
virtual ~SwapChain();
public:
inline IDXGISwapChain3* GetDXGISwapChain() const
{
return m_NativeSwapChain;
}
inline Resource& GetBackBuffer(AZ::u32 index)
{
Resource* resource = m_BackBuffers[index];
AZ_Assert(resource, "null backbuffer");
return *resource;
}
inline Resource& GetCurrentBackBuffer()
{
Resource* resource = m_BackBuffers[m_NativeSwapChain->GetCurrentBackBufferIndex()];
AZ_Assert(resource, "Resource is null");
return *resource;
}
inline ResourceView& GetBackBufferView(AZ::u32 index)
{
return m_BackBufferViews[index];
}
inline ResourceView& GetCurrentBackBufferView()
{
return m_BackBufferViews[m_NativeSwapChain->GetCurrentBackBufferIndex()];
}
inline AZ::u32 GetCurrentBackBufferIndex() const
{
return m_NativeSwapChain->GetCurrentBackBufferIndex();
}
inline const DXGI_SWAP_CHAIN_DESC& GetDesc() const
{
return m_Desc;
}
HRESULT Present(AZ::u32 SyncInterval, AZ::u32 Flags);
private:
friend class ::CCryDX12SwapChain;
void AcquireBuffers(AZStd::vector<Resource*>&& resource);
void ForfeitBuffers();
AsyncCommandQueue& m_AsyncQueue;
CommandList* m_CommandList;
DXGI_SWAP_CHAIN_DESC m_Desc;
SmartPtr<IDXGISwapChain3> m_NativeSwapChain;
AZStd::vector<Resource*> m_BackBuffers;
AZStd::vector<ResourceView> m_BackBufferViews;
};
}
#endif // __DX12SWAPCHAIN__