mirror of
https://github.com/gnif/LookingGlass.git
synced 2026-07-21 14:52:04 +00:00
20225f05d1
Publish BT.2020 chromaticities in the virtual monitor EDID so Windows receives a valid HDR colour volume. Extend cursor messages with their IddCx SDR white level and an explicit visibility-valid flag. Consumers can then calibrate cursors without treating colour-transform-only messages as cursor hides.
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 GetHDRMetadata(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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