mirror of
https://github.com/gnif/LookingGlass.git
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106 lines
4.0 KiB
C++
106 lines
4.0 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 "CSRWLock.h"
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#include "transport/IFrameSink.h"
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#include "transport/IFrameTransport.h"
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#include "transport/ITransport.h"
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#include <vector>
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class CFrameHub final : public IFrameTransport
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{
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private:
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static const unsigned MAX_SLOTS = 1024;
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struct Slot
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{
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uint64_t serial = 0;
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bool committed = false;
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bool completionPending = false;
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bool completionSucceeded = false;
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};
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mutable CSRWLock m_lock;
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IFrameSink * m_sink = nullptr;
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BackendId m_backend = 0;
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uint32_t m_epoch = 0;
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uint64_t m_nextSerial = 0;
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std::vector<Slot> m_slots;
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bool Valid(const FrameToken& token) const;
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void Invalidate(const FrameToken& token);
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public:
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bool Bind(BackendId backend, uint32_t epoch, IFrameSink& sink);
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void Unbind(BackendId backend, uint32_t epoch);
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size_t GetMaxFrameSize() const override;
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bool FrameBufferAvailable(const CFrameScheduler::Schedule& schedule,
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bool allowReadyReplacement = true) override;
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bool HasPublishedFrame() const override;
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void ProcessDeliveries() override;
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bool GetPendingDeliveryTarget(uint64_t now, uint64_t& target) override;
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bool RetryPendingDelivery(uint64_t now, bool& retry) override;
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PreparedFrameBuffer PrepareFrameBuffer(unsigned pitch,
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const D12FrameFormat& srcFormat, const D12FrameFormat& dstFormat,
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const RECT * dirtyRects, unsigned nbDirtyRects,
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const CFrameScheduler::Schedule& schedule,
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bool allowReadyReplacement = true) override;
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bool PublishFrameBuffer(const FrameToken& token,
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const CFrameScheduler::Schedule& schedule,
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bool& deliveredToOwner) override;
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bool RepublishFrameBuffer(
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const CFrameScheduler::Schedule& schedule) override;
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bool TryFrameSubmitted(const FrameToken& token,
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const CFrameScheduler::Schedule& schedule) override;
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void CommitFrameBuffer(const FrameToken& token,
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const CFrameScheduler::Schedule& schedule, bool periodic,
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bool deliveredToOwner) override;
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void AbortFrameBuffer(const FrameToken& token) override;
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void FailFrameBuffer(const FrameToken& token) override;
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void CompleteFrameBuffer(
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const FrameToken& token, bool succeeded) override;
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void SetFrameTiming(const FrameToken& token, uint64_t captureTime,
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uint64_t postProcessTime, uint64_t copyTime, uint64_t readyTime,
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uint64_t holdTime, const CFrameScheduler::Schedule& schedule,
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uint64_t completedAt) override;
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void WriteFrameBuffer(const FrameToken& token, void * src,
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size_t offset, size_t len, bool setWritePos) const override;
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void WriteFrameBufferRows(const FrameToken& token, void * src,
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size_t offset, size_t rowBytes, size_t pitch,
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unsigned rows) const override;
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void FinalizeFrameBuffer(const FrameToken& token) const override;
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void ObserveFrame(uint64_t now) override;
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void ForceFrame() override;
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bool GetPublishTarget(uint64_t now, uint64_t& target,
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CFrameScheduler::Schedule& schedule, bool& periodic,
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bool& republish) override;
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void FrameMissed(const CFrameScheduler::Schedule& schedule,
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uint64_t now, bool periodic) override;
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void FrameSuperseded() override;
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HANDLE GetFrameScheduleEvent() const override;
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void TryRecordFrameTiming(
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const FrameToken& token, uint64_t duration) override;
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};
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