mirror of
https://github.com/gnif/LookingGlass.git
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6725133375
Introduce transport, frame, and control interfaces with an LGMP factory backend. Move LGMP and IVSHMEM implementation details under transport/lgmp and expose direct frame-buffer memory through a neutral capability.
86 lines
2.6 KiB
C++
86 lines
2.6 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 "transport/lgmp/CLGMPHost.h"
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#include "transport/IControlTransport.h"
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#include "common/KVMFR.h"
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#include <Windows.h>
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#include <wdf.h>
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#include <IddCx.h>
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#include <memory>
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class CLGMPTransport;
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class CLGMPControl final : public IControlTransport
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{
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private:
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friend class CLGMPTransport;
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static constexpr int POINTER_SHAPE_BUFFERS = 3;
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static constexpr int COLOR_TRANSFORM_BUFFERS = 3;
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CLGMPHost& m_host;
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PLGMPHostQueue m_pointerQueue = nullptr;
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PLGMPMemory m_pointerMemory[LGMP_Q_POINTER_LEN] = {};
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PLGMPMemory m_pointerShapeMemory[POINTER_SHAPE_BUFFERS] = {};
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PLGMPMemory m_pointerTransformMemory[COLOR_TRANSFORM_BUFFERS] = {};
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PLGMPMemory m_pointerShape = nullptr;
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int m_pointerMemoryIndex = 0;
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int m_pointerShapeIndex = 0;
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int m_pointerTransformIndex = 0;
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bool m_cursorVisible = false;
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int m_cursorX = 0;
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int m_cursorY = 0;
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mutable SRWLOCK m_colorTransformLock = SRWLOCK_INIT;
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std::shared_ptr<const D12ColorTransform> m_colorTransform;
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void SendColorTransform();
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void ResendCursor();
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bool Initialize();
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void DeInit();
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LGMP_STATUS ReadDataWithSource(void * data, size_t * size,
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uint32_t * sourceClientID);
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LGMP_STATUS AckData();
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bool HasNewSubscribers();
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void ResendState();
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public:
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explicit CLGMPControl(CLGMPHost& host) :
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m_host(host) {}
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~CLGMPControl() override;
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CLGMPControl(const CLGMPControl&) = delete;
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CLGMPControl& operator=(const CLGMPControl&) = delete;
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void SendCursor(const IDARG_OUT_QUERY_HWCURSOR& info, const BYTE * data,
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UINT sdrWhiteLevel) override;
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void SetColorTransform(
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std::shared_ptr<const D12ColorTransform> transform) override;
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std::shared_ptr<const D12ColorTransform>
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GetColorTransform() const override;
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};
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