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Wojtek Figat
240
Source/Editor/Windows/Profiler/ProfilerWindow.cs
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240
Source/Editor/Windows/Profiler/ProfilerWindow.cs
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// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
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using System;
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using FlaxEditor.GUI;
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using FlaxEditor.GUI.Tabs;
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using FlaxEngine;
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using FlaxEngine.GUI;
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namespace FlaxEditor.Windows.Profiler
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{
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/// <summary>
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/// Editor tool window for profiling games.
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/// </summary>
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/// <seealso cref="FlaxEditor.Windows.EditorWindow" />
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public sealed class ProfilerWindow : EditorWindow
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{
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private readonly ToolStripButton _liveRecordingButton;
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private readonly ToolStripButton _clearButton;
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private readonly ToolStripButton _prevFrameButton;
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private readonly ToolStripButton _nextFrameButton;
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private readonly ToolStripButton _lastFrameButton;
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private readonly ToolStripButton _showOnlyLastUpdateEventsButton;
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private readonly Tabs _tabs;
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private int _frameIndex = -1;
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private int _framesCount;
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private bool _showOnlyLastUpdateEvents = true;
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/// <summary>
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/// Gets or sets a value indicating whether live events recording is enabled.
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/// </summary>
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public bool LiveRecording
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{
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get => _liveRecordingButton.Checked;
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set
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{
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if (value != LiveRecording)
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{
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_liveRecordingButton.Checked = value;
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}
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}
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}
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/// <summary>
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/// Gets or sets the index of the selected frame to view (note: some view modes may not use it).
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/// </summary>
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public int ViewFrameIndex
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{
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get => _frameIndex;
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set
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{
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value = Mathf.Clamp(value, -1, _framesCount - 1);
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if (_frameIndex != value)
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{
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_frameIndex = value;
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UpdateButtons();
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if (_tabs.SelectedTab is ProfilerMode mode)
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mode.UpdateView(_frameIndex, _showOnlyLastUpdateEvents);
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}
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}
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}
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/// <summary>
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/// Gets or sets a value indicating whether show only last update events and hide events from the other callbacks (e.g. draw or fixed update).
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/// </summary>
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public bool ShowOnlyLastUpdateEvents
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{
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get => _showOnlyLastUpdateEvents;
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set
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{
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if (_showOnlyLastUpdateEvents != value)
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{
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_showOnlyLastUpdateEvents = value;
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UpdateButtons();
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if (_tabs.SelectedTab is ProfilerMode mode)
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mode.UpdateView(_frameIndex, _showOnlyLastUpdateEvents);
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}
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}
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="ProfilerWindow"/> class.
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/// </summary>
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/// <param name="editor">The editor.</param>
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public ProfilerWindow(Editor editor)
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: base(editor, true, ScrollBars.None)
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{
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Title = "Profiler";
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var toolstrip = new ToolStrip
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{
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Offsets = new Margin(0, 0, 0, 32),
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Parent = this,
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};
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_liveRecordingButton = toolstrip.AddButton(editor.Icons.Play32);
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_liveRecordingButton.LinkTooltip("Live profiling events recording");
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_liveRecordingButton.AutoCheck = true;
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_clearButton = toolstrip.AddButton(editor.Icons.Rotate32, Clear);
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_clearButton.LinkTooltip("Clear data");
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toolstrip.AddSeparator();
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_prevFrameButton = toolstrip.AddButton(editor.Icons.ArrowLeft32, () => ViewFrameIndex--);
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_prevFrameButton.LinkTooltip("Previous frame");
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_nextFrameButton = toolstrip.AddButton(editor.Icons.ArrowRight32, () => ViewFrameIndex++);
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_nextFrameButton.LinkTooltip("Next frame");
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_lastFrameButton = toolstrip.AddButton(editor.Icons.Step32, () => ViewFrameIndex = -1);
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_lastFrameButton.LinkTooltip("Current frame");
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toolstrip.AddSeparator();
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_showOnlyLastUpdateEventsButton = toolstrip.AddButton(editor.Icons.PageScale32, () => ShowOnlyLastUpdateEvents = !ShowOnlyLastUpdateEvents);
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_showOnlyLastUpdateEventsButton.LinkTooltip("Show only last update events and hide events from the other callbacks (e.g. draw or fixed update)");
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_tabs = new Tabs
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{
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Orientation = Orientation.Vertical,
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AnchorPreset = AnchorPresets.StretchAll,
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Offsets = new Margin(0, 0, toolstrip.Bottom, 0),
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TabsSize = new Vector2(120, 32),
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Parent = this
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};
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_tabs.SelectedTabChanged += OnSelectedTabChanged;
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}
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/// <summary>
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/// Adds the mode.
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/// </summary>
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/// <remarks>
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/// To remove the mode simply call <see cref="Control.Dispose"/> on mode.
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/// </remarks>
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/// <param name="mode">The mode.</param>
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public void AddMode(ProfilerMode mode)
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{
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if (mode == null)
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throw new ArgumentNullException();
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mode.Init();
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_tabs.AddTab(mode);
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mode.SelectedSampleChanged += ModeOnSelectedSampleChanged;
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}
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private void ModeOnSelectedSampleChanged(int frameIndex)
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{
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ViewFrameIndex = frameIndex;
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}
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/// <summary>
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/// Clears data.
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/// </summary>
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public void Clear()
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{
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_frameIndex = -1;
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_framesCount = 0;
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for (int i = 0; i < _tabs.ChildrenCount; i++)
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{
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if (_tabs.Children[i] is ProfilerMode mode)
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{
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mode.Clear();
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mode.UpdateView(ViewFrameIndex, _showOnlyLastUpdateEvents);
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}
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}
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UpdateButtons();
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}
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private void OnSelectedTabChanged(Tabs tabs)
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{
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if (tabs.SelectedTab is ProfilerMode mode)
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mode.UpdateView(ViewFrameIndex, _showOnlyLastUpdateEvents);
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}
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private void UpdateButtons()
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{
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_clearButton.Enabled = _framesCount > 0;
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_prevFrameButton.Enabled = _frameIndex > 0;
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_nextFrameButton.Enabled = (_framesCount - _frameIndex - 1) > 0;
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_lastFrameButton.Enabled = _framesCount > 0;
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_showOnlyLastUpdateEventsButton.Checked = _showOnlyLastUpdateEvents;
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}
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/// <inheritdoc />
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public override void OnInit()
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{
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// Create default modes
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AddMode(new Overall());
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AddMode(new CPU());
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AddMode(new GPU());
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AddMode(new Memory());
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// Init view
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_frameIndex = -1;
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for (int i = 0; i < _tabs.ChildrenCount; i++)
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{
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if (_tabs.Children[i] is ProfilerMode mode)
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mode.UpdateView(ViewFrameIndex, _showOnlyLastUpdateEvents);
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}
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UpdateButtons();
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}
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/// <inheritdoc />
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public override void OnUpdate()
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{
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if (LiveRecording)
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{
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FlaxEngine.Profiler.BeginEvent("ProfilerWindow.OnUpdate");
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ProfilerMode.SharedUpdateData sharedData = new ProfilerMode.SharedUpdateData();
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sharedData.Begin();
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for (int i = 0; i < _tabs.ChildrenCount; i++)
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{
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if (_tabs.Children[i] is ProfilerMode mode)
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mode.Update(ref sharedData);
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}
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sharedData.End();
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_framesCount = Mathf.Min(_framesCount + 1, ProfilerMode.MaxSamples);
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UpdateButtons();
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FlaxEngine.Profiler.EndEvent();
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}
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}
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/// <inheritdoc />
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public override bool OnKeyDown(KeyboardKeys key)
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{
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if (base.OnKeyDown(key))
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return true;
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switch (key)
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{
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case KeyboardKeys.ArrowLeft:
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ViewFrameIndex--;
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return true;
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case KeyboardKeys.ArrowRight:
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ViewFrameIndex++;
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return true;
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}
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return false;
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}
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}
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}
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