93e0265e4e
Once in a while, we receive complaints from other fellow KDE developers about the file organization of kwin. This change addresses some of those complaints by moving all of source code in a separate directory, src/, thus making the project structure more traditional. Things such as tests are kept in their own toplevel directories. This change may wreak havoc on merge requests that add new files to kwin, but if a patch modifies an already existing file, git should be smart enough to figure out that the file has been relocated. We may potentially split the src/ directory further to make navigating the source code easier, but hopefully this is good enough already.
57 lines
1.2 KiB
C++
57 lines
1.2 KiB
C++
/*
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SPDX-FileCopyrightText: 2020 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#pragma once
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#include "kwinglobals.h"
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#include <QElapsedTimer>
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#include <QQueue>
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namespace KWin
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{
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/**
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* The RenderJournal class measures how long it takes to render frames and estimates how
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* long it will take to render the next frame.
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*/
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class KWIN_EXPORT RenderJournal
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{
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public:
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RenderJournal();
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/**
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* This function must be called before starting rendering a new frame.
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*/
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void beginFrame();
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/**
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* This function must be called after finishing rendering a frame.
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*/
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void endFrame();
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/**
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* Returns the maximum estimated amount of time that it takes to render a single frame.
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*/
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std::chrono::nanoseconds maximum() const;
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/**
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* Returns the minimum estimated amount of time that it takes to render a single frame.
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*/
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std::chrono::nanoseconds minimum() const;
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/**
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* Returns the average estimated amount of time that it takes to render a single frame.
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*/
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std::chrono::nanoseconds average() const;
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private:
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QElapsedTimer m_timer;
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QQueue<std::chrono::nanoseconds> m_log;
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int m_size = 15;
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};
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} // namespace KWin
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