mirror of
https://github.com/gnif/LookingGlass.git
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70 lines
1.8 KiB
C++
70 lines
1.8 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 "postprocess/D12FrameFormat.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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#include <stddef.h>
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#include <stdint.h>
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struct ControlToken
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{
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uint32_t backend = 0;
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uint32_t epoch = 0;
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};
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enum class ControlResult
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{
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APPLIED,
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RETRY,
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FAILED,
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};
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class IControlEvents
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{
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public:
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virtual ~IControlEvents() = default;
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virtual void OnControlReplay(const ControlToken& token) = 0;
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};
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class IControlSink
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{
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public:
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virtual ~IControlSink() = default;
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// Passing nullptr is a callback-quiescence barrier. Once this returns, no
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// callback using the previous events pointer may still be running.
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virtual void SetControlEvents(
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IControlEvents * events, const ControlToken& token) = 0;
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// These calls perform at most one delivery attempt.
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virtual ControlResult SendCursor(const IDARG_OUT_QUERY_HWCURSOR& info,
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const BYTE * data, size_t size, UINT sdrWhiteLevel) = 0;
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virtual ControlResult SetColorTransform(
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std::shared_ptr<const D12ColorTransform> transform) = 0;
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};
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