RenderGraph support for Distortion

Assets/Nova/Runtime/Core/Scripts/ApplyDistortionPass.cs

@@ -1,14 +1,15 @@
 // --------------------------------------------------------------
-// Copyright 2024 CyberAgent, Inc.
+// Copyright 2025 CyberAgent, Inc.
 // --------------------------------------------------------------
 
+using System;
 using UnityEngine;
 using UnityEngine.Rendering;
 using UnityEngine.Rendering.Universal;
 
 namespace Nova.Runtime.Core.Scripts
 {
-    public sealed class ApplyDistortionPass : ScriptableRenderPass
+    public partial class ApplyDistortionPass : ScriptableRenderPass
     {
         private const string RenderPassName = nameof(ApplyDistortionPass);
         private readonly bool _applyToSceneView;
@@ -32,13 +33,14 @@ public void Setup(RenderTargetIdentifier distortedUvBufferIdentifier)
             _distortedUvBufferIdentifier = distortedUvBufferIdentifier;
         }
 
+#if UNITY_2023_3_OR_NEWER
+        [Obsolete(DeprecationMessage.CompatibilityScriptingAPIObsolete, false)]
+#endif
         public override void Execute(ScriptableRenderContext context, ref RenderingData renderingData)
         {
-            if (_material == null)
-            { return; }
+            if (_material == null) return;
 
-            if (!_applyToSceneView && renderingData.cameraData.cameraType == CameraType.SceneView)
-            { return; }
+            if (!_applyToSceneView && renderingData.cameraData.cameraType == CameraType.SceneView) return;
 
 #if UNITY_2022_1_OR_NEWER
             var source = renderingData.cameraData.renderer.cameraColorTargetHandle.nameID;
@@ -49,9 +51,11 @@ public override void Execute(ScriptableRenderContext context, ref RenderingData
             var cmd = CommandBufferPool.Get();
             cmd.Clear();
             using (new ProfilingScope(cmd, _renderPassProfilingSampler))
-            { cmd.SetGlobalTexture(_mainTexPropertyId, source);
-              cmd.SetGlobalTexture(_distortionBufferPropertyId, _distortedUvBufferIdentifier);
-              Blit(cmd, ref renderingData, _material); }
+            {
+                cmd.SetGlobalTexture(_mainTexPropertyId, source);
+                cmd.SetGlobalTexture(_distortionBufferPropertyId, _distortedUvBufferIdentifier);
+                Blit(cmd, ref renderingData, _material);
+            }
 
             context.ExecuteCommandBuffer(cmd);
             CommandBufferPool.Release(cmd);

Assets/Nova/Runtime/Core/Scripts/ApplyDistortionPass_RenderGraph.cs

@@ -0,0 +1,82 @@
+// --------------------------------------------------------------
+// Copyright 2025 CyberAgent, Inc.
+// --------------------------------------------------------------
+
+#if UNITY_2023_3_OR_NEWER
+using UnityEngine;
+using UnityEngine.Rendering;
+using UnityEngine.Rendering.RenderGraphModule;
+using UnityEngine.Rendering.Universal;
+
+namespace Nova.Runtime.Core.Scripts
+{
+    public partial class ApplyDistortionPass : ScriptableRenderPass
+    {
+        private const string DistortedCameraColorTextureName = "DistortedCameraColorTexture";
+
+        public override void RecordRenderGraph(RenderGraph renderGraph, ContextContainer frameData)
+        {
+            if (_material == null)
+                return;
+            if (!_applyToSceneView && frameData.Get<UniversalCameraData>().cameraType == CameraType.SceneView)
+                return;
+
+            if (!frameData.Contains<DistortionContextItem>())
+            {
+                Debug.LogError("[NOVA] Cannot execute ApplyDistortionPass. DistortedUvBufferPass must be executed.");
+                return;
+            }
+
+            var resourceData = frameData.Get<UniversalResourceData>();
+            TextureHandle destTexture;
+            {
+                var desc = renderGraph.GetTextureDesc(resourceData.activeColorTexture);
+                desc.name = DistortedCameraColorTextureName;
+                destTexture = renderGraph.CreateTexture(desc);
+            }
+
+            using (var builder =
+                   renderGraph.AddRasterRenderPass<PassData>("NOVA.ApplyDistortionPass", out var passData))
+            {
+                // DestTexture
+                builder.SetRenderAttachment(destTexture, 0);
+
+                // MainTexture
+                {
+                    passData.MainTex = resourceData.activeColorTexture;
+                    builder.UseTexture(passData.MainTex);
+                    passData.MainTexPropertyId = _mainTexPropertyId;
+                }
+
+                // DistortedUvBuffer
+                {
+                    var contextItem = frameData.Get<DistortionContextItem>();
+                    passData.DistortedUvBuffer = contextItem.DistortedUvTexture;
+                    builder.UseTexture(passData.DistortedUvBuffer);
+                    passData.DistortionBufferPropertyId = _distortionBufferPropertyId;
+                }
+
+                passData.Material = _material;
+
+                builder.SetRenderFunc(static (PassData data, RasterGraphContext context) =>
+                {
+                    data.Material.SetTexture(data.MainTexPropertyId, data.MainTex);
+                    data.Material.SetTexture(data.DistortionBufferPropertyId, data.DistortedUvBuffer);
+                    Blitter.BlitTexture(context.cmd, data.MainTex, Vector2.one, data.Material, 0);
+                });
+            }
+
+            resourceData.cameraColor = destTexture;
+        }
+
+        private class PassData
+        {
+            internal TextureHandle DistortedUvBuffer;
+            internal int DistortionBufferPropertyId;
+            internal TextureHandle MainTex;
+            internal int MainTexPropertyId;
+            internal Material Material;
+        }
+    }
+}
+#endif

Assets/Nova/Runtime/Core/Scripts/DeprecationMessage.cs

@@ -0,0 +1,12 @@
+// --------------------------------------------------------------
+// Copyright 2025 CyberAgent, Inc.
+// --------------------------------------------------------------
+
+namespace Nova.Runtime.Core.Scripts
+{
+    public static class DeprecationMessage
+    {
+        public const string CompatibilityScriptingAPIObsolete =
+            "This rendering path is for compatibility mode only (when Render Graph is disabled). Use Render Graph API instead.";
+    }
+}

Assets/Nova/Runtime/Core/Scripts/DistortedUvBufferPass.cs

@@ -1,14 +1,15 @@
 // --------------------------------------------------------------
-// Copyright 2024 CyberAgent, Inc.
+// Copyright 2025 CyberAgent, Inc.
 // --------------------------------------------------------------
 
+using System;
 using UnityEngine;
 using UnityEngine.Rendering;
 using UnityEngine.Rendering.Universal;
 
 namespace Nova.Runtime.Core.Scripts
 {
-    public sealed class DistortedUvBufferPass : ScriptableRenderPass
+    public partial class DistortedUvBufferPass : ScriptableRenderPass
     {
         private const string ProfilerTag = nameof(DistortedUvBufferPass);
         private readonly ProfilingSampler _profilingSampler = new(ProfilerTag);
@@ -41,6 +42,9 @@ public void Setup(RenderTargetIdentifier renderTargetIdentifier)
         }
 #endif
 
+#if UNITY_2023_3_OR_NEWER
+        [Obsolete(DeprecationMessage.CompatibilityScriptingAPIObsolete, false)]
+#endif
         public override void OnCameraSetup(CommandBuffer cmd, ref RenderingData renderingData)
         {
             var renderer = renderingData.cameraData.renderer;
@@ -52,24 +56,28 @@ public override void OnCameraSetup(CommandBuffer cmd, ref RenderingData renderin
             ConfigureClear(ClearFlag.Color, Color.gray);
         }
 
+#if UNITY_2023_3_OR_NEWER
+        [Obsolete(DeprecationMessage.CompatibilityScriptingAPIObsolete, false)]
+#endif
         public override void Execute(ScriptableRenderContext context, ref RenderingData renderingData)
         {
             var cmd = CommandBufferPool.Get();
             cmd.Clear();
 
             using (new ProfilingScope(cmd, _profilingSampler))
-            { context.ExecuteCommandBuffer(cmd);
-              cmd.Clear();
+            {
+                context.ExecuteCommandBuffer(cmd);
+                cmd.Clear();
 
-              var drawingSettings =
-                  CreateDrawingSettings(_shaderTagId, ref renderingData, SortingCriteria.CommonTransparent);
+                var drawingSettings =
+                    CreateDrawingSettings(_shaderTagId, ref renderingData, SortingCriteria.CommonTransparent);
 
 #if UNITY_2023_1_OR_NEWER
                 var param = new RendererListParams(renderingData.cullResults, drawingSettings, _filteringSettings);
                 var renderList = context.CreateRendererList(ref param);
                 cmd.DrawRendererList(renderList);
 #else
-              context.DrawRenderers(renderingData.cullResults, ref drawingSettings, ref _filteringSettings);
+                context.DrawRenderers(renderingData.cullResults, ref drawingSettings, ref _filteringSettings);
 #endif
             }
 

Assets/Nova/Runtime/Core/Scripts/DistortedUvBufferPass_RenderGraph.cs

@@ -0,0 +1,82 @@
+// --------------------------------------------------------------
+// Copyright 2025 CyberAgent, Inc.
+// --------------------------------------------------------------
+
+#if UNITY_2023_3_OR_NEWER
+using UnityEngine;
+using UnityEngine.Experimental.Rendering;
+using UnityEngine.Rendering;
+using UnityEngine.Rendering.RenderGraphModule;
+using UnityEngine.Rendering.Universal;
+
+namespace Nova.Runtime.Core.Scripts
+{
+    public partial class DistortedUvBufferPass : ScriptableRenderPass
+    {
+        private const string DistortedUvBufferTexName = "DistortedUvBuffer";
+
+        public override void RecordRenderGraph(RenderGraph renderGraph, ContextContainer frameData)
+        {
+            using (var builder = renderGraph.AddRasterRenderPass<PassData>("NOVA.DistortedUvBufferPass",
+                       out var passData))
+            {
+                var distortedUvTexture = CreateRenderTarget(renderGraph, frameData);
+                // Insert data to be passed to ApplyDistortionPass.
+                {
+                    var contextItem = frameData.Create<DistortionContextItem>();
+                    contextItem.DistortedUvTexture = distortedUvTexture;
+                }
+                builder.SetRenderAttachment(distortedUvTexture, 0);
+
+                RendererListHandle renderList;
+                {
+                    var renderingData = frameData.Get<UniversalRenderingData>();
+                    var cameraData = frameData.Get<UniversalCameraData>();
+                    var lightData = frameData.Get<UniversalLightData>();
+
+                    var param = InitRendererListParams(_shaderTagId, renderingData, cameraData, lightData,
+                        SortingCriteria.CommonTransparent, _filteringSettings);
+                    renderList = renderGraph.CreateRendererList(param);
+                }
+                builder.UseRendererList(renderList);
+                passData.RendererList = renderList;
+
+                builder.SetRenderFunc(static (PassData data, RasterGraphContext context) =>
+                {
+                    context.cmd.DrawRendererList(data.RendererList);
+                });
+            }
+        }
+
+        private static TextureHandle CreateRenderTarget(RenderGraph renderGraph, ContextContainer frameData)
+        {
+            var resourceData = frameData.Get<UniversalResourceData>();
+            var desc = renderGraph.GetTextureDesc(resourceData.activeColorTexture);
+            desc.name = DistortedUvBufferTexName;
+            desc.depthBufferBits = 0;
+            desc.clearColor = Color.gray;
+            if (SystemInfo.IsFormatSupported(GraphicsFormat.R16G16_SFloat, GraphicsFormatUsage.Render))
+                desc.colorFormat = GraphicsFormat.R16G16_SFloat;
+            return renderGraph.CreateTexture(desc);
+        }
+
+        private static RendererListParams InitRendererListParams(
+            ShaderTagId shaderTagId,
+            UniversalRenderingData renderingData,
+            UniversalCameraData cameraData,
+            UniversalLightData lightData,
+            SortingCriteria sortingCriteria,
+            FilteringSettings filteringSettings)
+        {
+            var drawSettings = RenderingUtils.CreateDrawingSettings(shaderTagId, renderingData, cameraData, lightData,
+                sortingCriteria);
+            return new RendererListParams(renderingData.cullResults, drawSettings, filteringSettings);
+        }
+
+        private class PassData
+        {
+            internal RendererListHandle RendererList;
+        }
+    }
+}
+#endif

Assets/Nova/Runtime/Core/Scripts/DistortionContextItem_RenderGraph.cs

@@ -0,0 +1,21 @@
+// --------------------------------------------------------------
+// Copyright 2025 CyberAgent, Inc.
+// --------------------------------------------------------------
+
+#if UNITY_2023_3_OR_NEWER
+using UnityEngine.Rendering;
+using UnityEngine.Rendering.RenderGraphModule;
+
+namespace Nova.Runtime.Core.Scripts
+{
+    public class DistortionContextItem : ContextItem
+    {
+        public TextureHandle DistortedUvTexture;
+
+        public override void Reset()
+        {
+            DistortedUvTexture = TextureHandle.nullHandle;
+        }
+    }
+}
+#endif

Assets/Nova/Runtime/Core/Scripts/ScreenSpaceDistortion.cs

@@ -1,5 +1,5 @@
 // --------------------------------------------------------------
-// Copyright 2024 CyberAgent, Inc.
+// Copyright 2025 CyberAgent, Inc.
 // --------------------------------------------------------------
 
 using System;
@@ -27,8 +27,7 @@ public sealed class ScreenSpaceDistortion : ScriptableRendererFeature
         public override void Create()
         {
             _applyDistortionShader = Shader.Find("Hidden/Nova/Particles/ApplyDistortion");
-            if (_applyDistortionShader == null)
-            { return; }
+            if (_applyDistortionShader == null) return;
 
             _distortedUvBufferPass = new DistortedUvBufferPass(DistortionLightMode);
             _applyDistortionPass = new ApplyDistortionPass(_applyToSceneView, _applyDistortionShader);
@@ -39,7 +38,7 @@ public override void AddRenderPasses(ScriptableRenderer renderer, ref RenderingD
             if (_applyDistortionShader == null
                 || renderingData.cameraData.cameraType == CameraType.Reflection
                 || renderingData.cameraData.cameraType == CameraType.Preview)
-            { return; }
+                return;
 
             var distortedUvBufferFormat = SystemInfo.SupportsRenderTextureFormat(RenderTextureFormat.RGHalf)
                 ? RenderTextureFormat.RGHalf
@@ -63,6 +62,7 @@ public override void AddRenderPasses(ScriptableRenderer renderer, ref RenderingD
 #endif
             renderer.EnqueuePass(_distortedUvBufferPass);
             renderer.EnqueuePass(_applyDistortionPass);
+
 #if !UNITY_2022_1_OR_NEWER
             RenderTexture.ReleaseTemporary(distortedUvBuffer);
 #endif