132 lines
4.6 KiB
C#
132 lines
4.6 KiB
C#
using UnityEngine;
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namespace UnityEditor.Performance.ProfileAnalyzer
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{
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internal class Histogram
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{
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Draw2D m_2D;
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Color m_ColorBarBackground;
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DisplayUnits m_Units;
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public void SetUnits(Units units)
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{
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m_Units = new DisplayUnits(units);
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}
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public Histogram(Draw2D draw2D, Units units)
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{
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m_2D = draw2D;
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SetUnits(units);
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m_ColorBarBackground = new Color(0.5f, 0.5f, 0.5f);
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}
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public Histogram(Draw2D draw2D, Units units, Color barBackground)
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{
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m_2D = draw2D;
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SetUnits(units);
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m_ColorBarBackground = barBackground;
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}
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public void DrawStart(float width)
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{
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EditorGUILayout.BeginHorizontal(GUILayout.Width(width + 10));
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EditorGUILayout.BeginVertical();
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}
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public void DrawEnd(float width, float min, float max, float spacing)
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{
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EditorGUILayout.BeginHorizontal();
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float halfWidth = width / 2;
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GUIStyle leftAlignStyle = new GUIStyle(GUI.skin.label);
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leftAlignStyle.contentOffset = new Vector2(-5, 0);
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leftAlignStyle.alignment = TextAnchor.MiddleLeft;
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GUIStyle rightAlignStyle = new GUIStyle(GUI.skin.label);
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rightAlignStyle.contentOffset = new Vector2(-5, 0);
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rightAlignStyle.alignment = TextAnchor.MiddleRight;
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EditorGUILayout.LabelField(m_Units.ToString(min, false, 5, true), leftAlignStyle, GUILayout.Width(halfWidth));
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EditorGUILayout.LabelField(m_Units.ToString(max, false, 5, true), rightAlignStyle, GUILayout.Width(halfWidth));
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EditorGUILayout.EndHorizontal();
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EditorGUILayout.EndVertical();
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EditorGUILayout.EndHorizontal();
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}
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public void DrawBackground(float width, float height, int bucketCount, float min, float max, float spacing)
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{
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//bucketCount = (range == 0f) ? 1 : bucketCount;
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float x = (spacing / 2);
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float y = 0;
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float w = ((width + spacing) / bucketCount) - spacing;
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float h = height;
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for (int i = 0; i < bucketCount; i++)
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{
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m_2D.DrawFilledBox(x, y, w, h, m_ColorBarBackground);
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x += w;
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x += spacing;
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}
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}
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public void DrawData(float width, float height, int[] buckets, int totalFrameCount, float min, float max, Color barColor, float spacing)
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{
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float range = max - min;
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//int bucketCount = (range == 0f) ? 1 : buckets.Length;
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int bucketCount = buckets.Length;
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float x = (spacing / 2);
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float y = 0;
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float w = ((width + spacing) / bucketCount) - spacing;
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float h = height;
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float bucketWidth = (range / bucketCount);
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Rect rect = GUILayoutUtility.GetLastRect();
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for (int bucketAt = 0; bucketAt < bucketCount; bucketAt++)
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{
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var count = buckets[bucketAt];
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float barHeight = (h * count) / totalFrameCount;
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if (count > 0) // Make sure we always slow a small bar if non zero
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barHeight = Mathf.Max(1.0f, barHeight);
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m_2D.DrawFilledBox(x, y, w, barHeight, barColor);
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float bucketStart = min + (bucketAt * bucketWidth);
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float bucketEnd = bucketStart + bucketWidth;
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var tooltip = string.Format("{0}-{1}\n{2} {3}\n\nBar width: {4}",
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m_Units.ToTooltipString(bucketStart, false),
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m_Units.ToTooltipString(bucketEnd, true),
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count,
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count == 1 ? "frame" : "frames",
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m_Units.ToTooltipString(bucketWidth, true)
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);
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var content = new GUIContent("", tooltip);
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GUI.Label(new Rect(rect.x + x, rect.y + y, w, h), content);
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x += w;
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x += spacing;
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}
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}
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public void Draw(float width, float height, int[] buckets, int totalFrameCount, float min, float max, Color barColor)
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{
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DrawStart(width);
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float spacing = 2;
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if (m_2D.DrawStart(width, height, Draw2D.Origin.BottomLeft))
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{
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DrawBackground(width, height, buckets.Length, min, max, spacing);
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DrawData(width, height, buckets, totalFrameCount, min, max, barColor, spacing);
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m_2D.DrawEnd();
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}
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DrawEnd(width, min, max, spacing);
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}
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}
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}
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