mirror of
https://github.com/gnif/LookingGlass.git
synced 2026-08-04 06:12:04 +00:00
24be0a8869
Exclude command queue reset and cleanup from the ready stage, and keep the wall-clock residual only as the legacy timing fallback.
127 lines
4.0 KiB
C++
127 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 <Windows.h>
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#include <wdf.h>
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#include <wrl.h>
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#include <d3d12.h>
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#include <atomic>
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#include <stdint.h>
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using namespace Microsoft::WRL;
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using namespace Microsoft::WRL::Wrappers;
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using namespace Microsoft::WRL::Wrappers::HandleTraits;
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class CD3D12CommandQueue
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{
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private:
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const WCHAR * m_name = nullptr;
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ComPtr<ID3D12CommandQueue > m_queue;
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ComPtr<ID3D12CommandAllocator > m_allocator;
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ComPtr<ID3D12GraphicsCommandList> m_gfxList;
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ComPtr<ID3D12CommandList > m_cmdList;
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ComPtr<ID3D12Fence > m_fence;
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ComPtr<ID3D12QueryHeap> m_timestampHeap;
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ComPtr<ID3D12Resource > m_timestampReadback;
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UINT64 * m_timestampMap = nullptr;
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UINT64 m_timestampFrequency = 0;
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UINT64 m_calibrationGPU = 0;
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UINT64 m_calibrationCPU = 0;
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UINT64 m_qpcFrequency = 0;
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bool m_timingSupported = false;
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bool m_timingActive = false;
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std::atomic<bool> m_pending = false;
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HandleT<HANDLENullTraits> m_event;
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HANDLE m_waitHandle = INVALID_HANDLE_VALUE;
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UINT64 m_fenceValue = 0;
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bool m_needsReset = false;
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typedef void (*CompletionFunction)(CD3D12CommandQueue * queue,
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bool result, void * param1, void * param2);
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CompletionFunction m_completionCallback = nullptr;
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void * m_completionParams[2];
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bool m_completionResult = true;
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bool InitTiming(ID3D12Device3 * device, D3D12_COMMAND_LIST_TYPE type);
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void UpdateClockCalibration();
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bool ConvertGPUTimestamp(UINT64 timestamp, uint64_t& result) const;
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void OnCompletion()
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{
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if (m_completionCallback)
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m_completionCallback(
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this,
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m_completionResult,
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m_completionParams[0],
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m_completionParams[1]);
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UpdateClockCalibration();
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m_pending = false;
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}
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public:
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~CD3D12CommandQueue() { DeInit(); }
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enum CallbackMode
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{
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DISABLED, // no callbacks
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FAST, // callback is expected to return almost immediately
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NORMAL // normal callback
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};
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bool Init(ID3D12Device3 * device, D3D12_COMMAND_LIST_TYPE type, const WCHAR * name,
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CallbackMode callbackMode = DISABLED);
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void DeInit();
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void SetCompletionCallback(CompletionFunction fn, void * param1, void * param2)
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{
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m_completionCallback = fn;
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m_completionParams[0] = param1;
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m_completionParams[1] = param2;
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}
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bool Reset();
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bool Execute();
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bool BeginTiming();
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void EndTiming();
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// Return the copy boundaries in QueryPerformanceCounter-domain ns.
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bool GetGPUTimes(uint64_t& start, uint64_t& end) const;
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//void Wait();
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bool IsReady () const { return !m_pending ; }
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HANDLE GetEvent() const { return m_event.Get(); }
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void WaitFor(CD3D12CommandQueue& queue)
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{
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m_queue->Wait(queue.m_fence.Get(), queue.m_fenceValue);
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}
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ComPtr<ID3D12CommandQueue > GetCmdQueue() { return m_queue; }
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ComPtr<ID3D12GraphicsCommandList> GetGfxList() { return m_gfxList; }
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};
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