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Commit 2d81752

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ChmanChman
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Added runtime monitors and simple debug GUI component
Light meter, gamma histogram, waveform, vectorscope
1 parent 1ab2334 commit 2d81752

37 files changed

+1105
-217
lines changed

‎PostProcessing/Editor/PostProcessDebugEditor.cs‎

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using UnityEngine;
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using UnityEngine.Rendering.PostProcessing;
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namespace UnityEditor.Rendering.PostProcessing
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{
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[CustomEditor(typeof(PostProcessDebug))]
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public sealed class PostProcessDebugEditor : BaseEditor<PostProcessDebug>
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{
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SerializedProperty m_PostProcessLayer;
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SerializedObject m_Monitors;
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SerializedProperty m_LightMeterEnabled;
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SerializedProperty m_LightMeterShowCurves;
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SerializedProperty m_HistogramEnabled;
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SerializedProperty m_HistogramChannel;
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SerializedProperty m_WaveformEnabled;
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SerializedProperty m_WaveformExposure;
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SerializedProperty m_VectorscopeEnabled;
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SerializedProperty m_VectorscopeExposure;
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void OnEnable()
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{
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m_PostProcessLayer = FindProperty(x => x.postProcessLayer);
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if (m_PostProcessLayer.objectReferenceValue != null)
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RebuildProperties();
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}
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void RebuildProperties()
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{
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if (m_PostProcessLayer.objectReferenceValue == null)
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return;
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m_Monitors = new SerializedObject(m_Target.postProcessLayer);
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m_LightMeterEnabled = m_Monitors.FindProperty("monitors.lightMeter.enabled");
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m_LightMeterShowCurves = m_Monitors.FindProperty("monitors.lightMeter.showCurves");
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m_HistogramEnabled = m_Monitors.FindProperty("monitors.histogram.enabled");
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m_HistogramChannel = m_Monitors.FindProperty("monitors.histogram.channel");
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m_WaveformEnabled = m_Monitors.FindProperty("monitors.waveform.enabled");
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m_WaveformExposure = m_Monitors.FindProperty("monitors.waveform.exposure");
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m_VectorscopeEnabled = m_Monitors.FindProperty("monitors.vectorscope.enabled");
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m_VectorscopeExposure = m_Monitors.FindProperty("monitors.vectorscope.exposure");
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}
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public override void OnInspectorGUI()
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{
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serializedObject.Update();
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using (var changed = new EditorGUI.ChangeCheckScope())
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{
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EditorGUILayout.PropertyField(m_PostProcessLayer);
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if (changed.changed)
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RebuildProperties();
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}
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serializedObject.ApplyModifiedProperties();
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if (m_PostProcessLayer.objectReferenceValue == null)
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return;
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EditorGUILayout.Space();
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m_Monitors.Update();
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DoMonitorGUI(EditorUtilities.GetContent("Light Meter"), m_LightMeterEnabled, m_LightMeterShowCurves);
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DoMonitorGUI(EditorUtilities.GetContent("Histogram"), m_HistogramEnabled, m_HistogramChannel);
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DoMonitorGUI(EditorUtilities.GetContent("Waveform"), m_WaveformEnabled, m_WaveformExposure);
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DoMonitorGUI(EditorUtilities.GetContent("Vectoscope"), m_VectorscopeEnabled, m_VectorscopeExposure);
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m_Monitors.ApplyModifiedProperties();
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}
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void DoMonitorGUI(GUIContent content, SerializedProperty prop, params SerializedProperty[] settings)
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{
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EditorGUILayout.PropertyField(prop, content);
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if (settings == null || settings.Length == 0)
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return;
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if (prop.boolValue)
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{
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EditorGUI.indentLevel++;
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foreach (var p in settings)
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EditorGUILayout.PropertyField(p);
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EditorGUI.indentLevel--;
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EditorGUILayout.Space();
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}
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}
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}
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}

PostProcessing/Runtime/PostProcessDebugView.cs.meta renamed to PostProcessing/Editor/PostProcessDebugEditor.cs.meta

Lines changed: 2 additions & 2 deletions
Some generated files are not rendered by default. Learn more about customizing how changed files appear on GitHub.

‎PostProcessing/Editor/PostProcessLayerEditor.cs‎

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@@ -32,12 +32,7 @@ public sealed class PostProcessLayerEditor : BaseEditor<PostProcessLayer>
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SerializedProperty m_FogEnabled;
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SerializedProperty m_FogExcludeSkybox;
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SerializedProperty m_DebugDisplay;
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SerializedProperty m_DebugMonitor;
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SerializedProperty m_DebugLightMeter;
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SerializedProperty m_ShowDebugLayer;
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SerializedProperty m_ShowToolkit;
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SerializedProperty m_ShowCustomSorter;
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@@ -80,11 +75,6 @@ void OnEnable()
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m_FogEnabled = FindProperty(x => x.fog.enabled);
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m_FogExcludeSkybox = FindProperty(x => x.fog.excludeSkybox);
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m_DebugDisplay = FindProperty(x => x.debugView.display);
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m_DebugMonitor = FindProperty(x => x.debugView.monitor);
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m_DebugLightMeter = FindProperty(x => x.debugView.lightMeter);
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m_ShowDebugLayer = serializedObject.FindProperty("m_ShowDebugLayer");
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m_ShowToolkit = serializedObject.FindProperty("m_ShowToolkit");
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m_ShowCustomSorter = serializedObject.FindProperty("m_ShowCustomSorter");
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@@ -138,7 +128,6 @@ public override void OnInspectorGUI()
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DoAntialiasing();
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DoAmbientOcclusion(camera);
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DoFog(camera);
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DoDebugLayer();
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DoToolkit();
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DoCustomEffectSorter();
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@@ -263,36 +252,6 @@ void DoFog(Camera camera)
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EditorGUILayout.Space();
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}
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void DoDebugLayer()
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{
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EditorUtilities.DrawSplitter();
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m_ShowDebugLayer.boolValue = EditorUtilities.DrawHeader("Debug Layer", m_ShowDebugLayer.boolValue);
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if (m_ShowDebugLayer.boolValue)
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{
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GUILayout.Space(2);
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EditorGUI.indentLevel++;
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{
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EditorGUILayout.PropertyField(m_DebugDisplay, EditorUtilities.GetContent("Display|Toggle visibility of the debug layer on & off in the Game View."));
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using (new EditorGUI.DisabledScope(!m_DebugDisplay.boolValue))
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{
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EditorGUILayout.PropertyField(m_DebugMonitor, EditorUtilities.GetContent("Monitor|The real-time monitor to display on the debug layer."));
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EditorGUILayout.PropertyField(m_DebugLightMeter, EditorUtilities.GetContent("HDR Light Meter|Light metering utility used to setup auto exposure. Note that it will only display correct values when using a full-HDR workflow (HDR camera, HDR/Custom color grading)."));
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}
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if (!SystemInfo.supportsComputeShaders)
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EditorGUILayout.HelpBox("The debug layer only works on compute-shader enabled platforms.", MessageType.Warning);
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EditorGUILayout.HelpBox("This feature is still a work in progress.", MessageType.Info);
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}
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EditorGUI.indentLevel--;
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GUILayout.Space(3);
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}
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}
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void DoToolkit()
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{
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EditorUtilities.DrawSplitter();
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var h = camera.pixelHeight;
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var texOut = new Texture2D(w, h, TextureFormat.RGBAFloat, false, true);
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var target = RenderTexture.GetTemporary(w, h, 24, RenderTextureFormat.ARGBFloat, RenderTextureReadWrite.Linear, 1);
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var target = RenderTexture.GetTemporary(w, h, 24, RenderTextureFormat.ARGBFloat, RenderTextureReadWrite.Linear);
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var lastActive = RenderTexture.active;
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var lastTargetSet = camera.targetTexture;

‎PostProcessing/PostProcessResources.asset‎

664 Bytes
Binary file not shown.

‎PostProcessing/Runtime/Monitors.meta‎

Lines changed: 9 additions & 0 deletions
Some generated files are not rendered by default. Learn more about customizing how changed files appear on GitHub.

‎PostProcessing/Runtime/Monitors/HistogramMonitor.cs‎

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using System;
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namespace UnityEngine.Rendering.PostProcessing
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{
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[Serializable]
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public sealed class HistogramMonitor : Monitor
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{
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public enum Channel
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{
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Red,
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Green,
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Blue,
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Master
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}
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public int width = 512;
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public int height = 256;
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public Channel channel = Channel.Master;
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ComputeBuffer m_Data;
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const int k_Bins = 256;
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const int k_ThreadGroupSize = 16;
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internal override void OnDisable()
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{
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base.OnDisable();
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if (m_Data != null)
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m_Data.Release();
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m_Data = null;
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}
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internal override void Render(PostProcessRenderContext context)
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{
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CheckOutput(width, height);
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if (m_Data == null)
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m_Data = new ComputeBuffer(k_Bins, sizeof(uint));
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var compute = context.resources.computeShaders.gammaHistogram;
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var cmd = context.command;
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cmd.BeginSample("GammaHistogram");
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// Clear the buffer on every frame as we use it to accumulate values on every frame
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int kernel = compute.FindKernel("KHistogramClear");
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cmd.SetComputeBufferParam(compute, kernel, "_HistogramBuffer", m_Data);
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cmd.DispatchCompute(compute, kernel, Mathf.CeilToInt(k_Bins / (float)k_ThreadGroupSize), 1, 1);
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// Gather all pixels and fill in our histogram
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kernel = compute.FindKernel("KHistogramGather");
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var parameters = new Vector4(
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context.width / 2,
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context.height / 2,
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RuntimeUtilities.isLinearColorSpace ? 1 : 0,
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(int)channel
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);
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cmd.SetComputeVectorParam(compute, "_Params", parameters);
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cmd.SetComputeTextureParam(compute, kernel, "_Source", ShaderIDs.HalfResFinalCopy);
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cmd.SetComputeBufferParam(compute, kernel, "_HistogramBuffer", m_Data);
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cmd.DispatchCompute(compute, kernel,
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Mathf.CeilToInt(parameters.x / k_ThreadGroupSize),
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Mathf.CeilToInt(parameters.y / k_ThreadGroupSize),
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1
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);
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// Generate the histogram texture
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var sheet = context.propertySheets.Get(context.resources.shaders.gammaHistogram);
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sheet.properties.SetVector(ShaderIDs.Params, new Vector4(width, height, 0f, 0f));
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sheet.properties.SetBuffer(ShaderIDs.HistogramBuffer, m_Data);
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cmd.BlitFullscreenTriangle(BuiltinRenderTextureType.None, output, sheet, 0);
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cmd.EndSample("GammaHistogram");
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}
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}
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}

‎PostProcessing/Runtime/Monitors/HistogramMonitor.cs.meta‎

Lines changed: 12 additions & 0 deletions
Some generated files are not rendered by default. Learn more about customizing how changed files appear on GitHub.

‎PostProcessing/Runtime/Monitors/LightMeterMonitor.cs‎

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using System;
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namespace UnityEngine.Rendering.PostProcessing
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{
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[Serializable]
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public sealed class LightMeterMonitor : Monitor
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{
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public int width = 512;
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public int height = 256;
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// Note: only works with HDR grading, as this monitor only makes sense when working in HDR
12+
public bool showCurves = true;
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internal override void Render(PostProcessRenderContext context)
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{
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CheckOutput(width, height);
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var histogram = context.logHistogram;
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var sheet = context.propertySheets.Get(context.resources.shaders.lightMeter);
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sheet.ClearKeywords();
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sheet.properties.SetBuffer(ShaderIDs.HistogramBuffer, histogram.data);
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var scaleOffsetRes = histogram.GetHistogramScaleOffsetRes(context);
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scaleOffsetRes.z = 1f / width;
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scaleOffsetRes.w = 1f / height;
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sheet.properties.SetVector(ShaderIDs.ScaleOffsetRes, scaleOffsetRes);
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if (context.logLut != null && showCurves)
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{
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sheet.EnableKeyword("COLOR_GRADING_HDR");
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sheet.properties.SetTexture(ShaderIDs.Lut3D, context.logLut);
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}
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var autoExpo = context.autoExposure;
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if (autoExpo != null)
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{
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// Make sure filtering values are correct to avoid apocalyptic consequences
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float lowPercent = autoExpo.filtering.value.x;
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float highPercent = autoExpo.filtering.value.y;
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const float kMinDelta = 1e-2f;
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highPercent = Mathf.Clamp(highPercent, 1f + kMinDelta, 99f);
44+
lowPercent = Mathf.Clamp(lowPercent, 1f, highPercent - kMinDelta);
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var parameters = new Vector4(
47+
lowPercent * 0.01f,
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highPercent * 0.01f,
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RuntimeUtilities.Exp2(autoExpo.minLuminance.value),
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RuntimeUtilities.Exp2(autoExpo.maxLuminance.value)
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);
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sheet.EnableKeyword("AUTO_EXPOSURE");
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sheet.properties.SetVector(ShaderIDs.Params, parameters);
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}
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var cmd = context.command;
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cmd.BeginSample("LightMeter");
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cmd.BlitFullscreenTriangle(BuiltinRenderTextureType.None, output, sheet, 0);
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cmd.EndSample("LightMeter");
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}
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}
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}

‎PostProcessing/Runtime/Monitors/LightMeterMonitor.cs.meta‎

Lines changed: 12 additions & 0 deletions
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