mirror of
https://github.com/gnif/LookingGlass.git
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81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
/**
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* Looking Glass
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* Copyright © 2017-2023 The Looking Glass Authors
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* https://looking-glass.io
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#pragma once
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#include "Direct3DDevice.h"
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#include "CIndirectDeviceContext.h"
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#include <Windows.h>
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#include <wrl.h>
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#include <IddCx.h>
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#include <memory>
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using namespace Microsoft::WRL;
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#define STAGING_TEXTURES 3
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class CSwapChainProcessor
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{
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private:
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CIndirectDeviceContext * m_devContext;
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IDDCX_SWAPCHAIN m_hSwapChain;
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std::shared_ptr<Direct3DDevice> m_device;
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HANDLE m_newFrameEvent;
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Wrappers::HandleT<Wrappers::HandleTraits::HANDLENullTraits> m_thread[2];
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Wrappers::Event m_terminateEvent;
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static DWORD CALLBACK _SwapChainThread(LPVOID arg);
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static DWORD CALLBACK _FrameThread(LPVOID arg);
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void SwapChainThread();
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void SwapChainThreadCore();
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void SwapChainNewFrame(ComPtr<IDXGIResource> acquiredBuffer);
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void FrameThread();
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struct StagingTexture
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{
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volatile LONG lock = 0;
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int width = 0;
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int height = 0;
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DXGI_FORMAT format = DXGI_FORMAT_UNKNOWN;
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Microsoft::WRL::ComPtr<ID3D11Texture2D> tex;
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D3D11_MAPPED_SUBRESOURCE map = {};
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};
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StagingTexture m_cpuTex[STAGING_TEXTURES] = {};
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volatile LONG m_copyCount = 0;
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volatile LONG m_contextLock = 0;
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int m_texRIndex = 0;
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int m_texWIndex = 0;
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int m_lastIndex = 0;
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bool SetupStagingTexture(StagingTexture & st, int width, int height, DXGI_FORMAT format);
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public:
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CSwapChainProcessor(CIndirectDeviceContext * devContext, IDDCX_SWAPCHAIN hSwapChain,
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std::shared_ptr<Direct3DDevice> device, HANDLE newFrameEvent);
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~CSwapChainProcessor();
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void ResendLastFrame();
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}; |