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https://github.com/gnif/LookingGlass.git
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ad7d869aa1
Monitor-default HDR metadata describes the virtual display rather than the captured content. Do not expose it through KVMFR or use it to select downstream processing limits. Only publish explicit NEW frame metadata and otherwise use the complete PQ range internally.
116 lines
4.2 KiB
C++
116 lines
4.2 KiB
C++
/**
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* Looking Glass
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* Copyright © 2017-2026 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 "CD3D11Device.h"
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#include "CD3D12Device.h"
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#include "CIndirectDeviceContext.h"
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#include "CInteropResourcePool.h"
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#include "CFrameBufferPool.h"
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#include "CPostProcessor.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 <atomic>
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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 CIndirectMonitorContext;
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class CSwapChainProcessor
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{
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private:
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CIndirectMonitorContext * m_monitorContext;
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UINT64 m_assignmentGeneration;
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IDDCX_MONITOR m_monitor;
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CIndirectDeviceContext * m_devContext;
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IDDCX_SWAPCHAIN m_hSwapChain;
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std::shared_ptr<CD3D11Device> m_dx11Device;
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std::shared_ptr<CD3D12Device> m_dx12Device;
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HANDLE m_newFrameEvent;
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CInteropResourcePool m_resPool;
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CFrameBufferPool m_fbPool;
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CPostProcessor m_postProcessor;
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Wrappers::HandleT<Wrappers::HandleTraits::HANDLENullTraits> m_thread[2];
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Wrappers::Event m_terminateEvent;
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Wrappers::Event m_cursorDataEvent;
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BYTE* m_shapeBuffer;
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DWORD m_lastShapeId = 0;
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std::atomic<UINT> m_sdrWhiteLevel { KVMFR_SDR_WHITE_LEVEL_DEFAULT };
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// Output-space damage from the previous published frame. The shared-memory
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// frame buffers alternate, so this must be copied along with the current
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// damage to bring the older target buffer up to date.
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RECT m_dirtyRects[LG_MAX_DIRTY_RECTS] = {};
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unsigned m_nbDirtyRects = 0;
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// Source-space damage accumulated since the last published frame. Frames
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// can be dropped while the LGMP queue is full, but their damage must be
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// included in the next frame sent to the client. A count of zero represents
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// full-frame damage when m_hasPendingDamage is set.
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RECT m_pendingDirtyRects[LG_MAX_DIRTY_RECTS] = {};
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unsigned m_nbPendingDirtyRects = 0;
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bool m_hasPendingDamage = true;
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#ifdef HAS_IDDCX_110
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// The per-frame metadata stream can select the monitor default, provide a
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// replacement block, or retain the selection from the previous frame.
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bool m_useDefaultHDRMetadata = true;
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bool m_hasNewHDRMetadata = false;
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IDDCX_HDR10_METADATA m_newHDRMetadata = {};
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#endif
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static DWORD CALLBACK _SwapChainThread(LPVOID arg);
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void SwapChainThread();
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bool SwapChainThreadCore();
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static DWORD CALLBACK _CursorThread(LPVOID arg);
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bool QueryHWCursor();
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void CursorThread();
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static void CompletionFunction(
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CD3D12CommandQueue * queue, bool result, void * param1, void * param2);
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void AccumulateFrameDamage(const RECT * dirtyRects, unsigned nbDirtyRects);
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void SetFullPendingDamage();
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#ifdef HAS_IDDCX_110
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void UpdateHDRMetadata(const IDDCX_METADATA2& metadata);
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#endif
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bool GetContentHDRMetadata(D12FrameFormat& format) const;
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bool SwapChainNewFrame(ComPtr<IDXGIResource> acquiredBuffer, unsigned dirtyRectCount,
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DXGI_COLOR_SPACE_TYPE colorSpace, UINT sdrWhiteLevel);
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public:
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CSwapChainProcessor(CIndirectMonitorContext * monitorContext, UINT64 assignmentGeneration,
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IDDCX_MONITOR monitor, CIndirectDeviceContext * devContext, IDDCX_SWAPCHAIN hSwapChain,
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std::shared_ptr<CD3D11Device> dx11Device, std::shared_ptr<CD3D12Device> dx12Device, HANDLE newFrameEvent);
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~CSwapChainProcessor();
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CIndirectDeviceContext * GetDevice() { return m_devContext; }
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std::shared_ptr<CD3D12Device> GetD3D12Device() { return m_dx12Device; }
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};
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