Added a toggle to enable/disable Render Graph in the HDRP default settings

com.unity.render-pipelines.high-definition/Editor/RenderPipeline/HDRenderPipelineUI.Skin.cs

@@ -16,6 +16,7 @@ public class GeneralSection
                 public static readonly GUIContent renderPipelineEditorResourcesContent = EditorGUIUtility.TrTextContent("Render Pipeline Editor Resources", "Set of resources that need to be loaded for working in editor");
                 public static readonly GUIContent shaderVariantLogLevel = EditorGUIUtility.TrTextContent("Shader Variant Log Level", "Controls the level logging in of shader variants information is outputted when a build is performed. Information appears in the Unity Console when the build finishes.");
                 public static readonly GUIContent lensAttenuationModeContent = EditorGUIUtility.TrTextContent("Lens Attenuation Mode", "Set the attenuation mode of the lens that is used to compute exposure. With imperfect lens some energy is lost when converting from EV100 to the exposure multiplier.");
+                public static readonly GUIContent useRenderGraphContent = EditorGUIUtility.TrTextContent("Use Render Graph", "Use the render graph code path internally. This toggle can be used to revert back to the regular code path in case of regression.");
             }
 
             public static readonly GUIContent generalSectionTitle = EditorGUIUtility.TrTextContent("General");
@@ -117,7 +118,7 @@ public class GeneralSection
             public static readonly GUIContent decalLayerName7 = EditorGUIUtility.TrTextContent("Decal Layer Name 7", "The display name for Decal Layer 7. This is purely cosmetic, and can be used to articulate intended use of Decal Layer 7");
             public static readonly GUIContent supportMotionVectorContent = EditorGUIUtility.TrTextContent("Motion Vectors", "When enabled, HDRP allocates memory for processing motion vectors which it uses for Motion Blur, TAA, and temporal re-projection of various effect like SSR.");
             public static readonly GUIContent supportRuntimeDebugDisplayContent = EditorGUIUtility.TrTextContent("Runtime Debug Display", "When disabled, HDRP removes all debug display Shader variants when you build for the Unity Player. This decreases build time.");
-            public static readonly GUIContent supportRuntimeAOVAPIContent = EditorGUIUtility.TrTextContent("Runtime AOV API", "When disabled, HDRP removes all AOV API Shader variants when you build for the Unity Player. This decreases build time.");            
+            public static readonly GUIContent supportRuntimeAOVAPIContent = EditorGUIUtility.TrTextContent("Runtime AOV API", "When disabled, HDRP removes all AOV API Shader variants when you build for the Unity Player. This decreases build time.");
             public static readonly GUIContent supportDitheringCrossFadeContent = EditorGUIUtility.TrTextContent("Dithering Cross-fade", "When disabled, HDRP removes all dithering cross fade Shader variants when you build for the Unity Player. This decreases build time.");
             public static readonly GUIContent supportTerrainHoleContent = EditorGUIUtility.TrTextContent("Terrain Hole", "When disabled, HDRP removes all Terrain hole Shader variants when you build for the Unity Player. This decreases build time.");
             public static readonly GUIContent supportDistortion = EditorGUIUtility.TrTextContent("Distortion", "When disabled, HDRP removes all distortion Shader variants when you build for the Unity Player. This decreases build time.");

com.unity.render-pipelines.high-definition/Editor/RenderPipeline/HDRenderPipelineUI.cs

@@ -192,6 +192,7 @@ static void Drawer_SectionGeneral(SerializedHDRenderPipelineAsset serialized, Ed
             EditorGUILayout.PropertyField(serialized.shaderVariantLogLevel, Styles.GeneralSection.shaderVariantLogLevel);
 
             EditorGUILayout.PropertyField(serialized.lensAttenuation, Styles.GeneralSection.lensAttenuationModeContent);
+            EditorGUILayout.PropertyField(serialized.useRenderGraph, Styles.GeneralSection.useRenderGraphContent);
 
             m_ShowLightLayerNames = EditorGUILayout.Foldout(m_ShowLightLayerNames, Styles.lightLayerNamesText, true);
             if (m_ShowLightLayerNames)

com.unity.render-pipelines.high-definition/Editor/RenderPipeline/Settings/SerializedHDRenderPipelineAsset.cs

@@ -17,6 +17,7 @@ class SerializedHDRenderPipelineAsset
         public SerializedProperty enableSRPBatcher;
         public SerializedProperty shaderVariantLogLevel;
         public SerializedProperty lensAttenuation;
+        public SerializedProperty useRenderGraph;
         public SerializedRenderPipelineSettings renderPipelineSettings;
         public SerializedFrameSettings defaultFrameSettings;
         public SerializedFrameSettings defaultBakedOrCustomReflectionFrameSettings;
@@ -61,6 +62,7 @@ public SerializedHDRenderPipelineAsset(SerializedObject serializedObject)
             enableSRPBatcher = serializedObject.Find((HDRenderPipelineAsset s) => s.enableSRPBatcher);
             shaderVariantLogLevel = serializedObject.Find((HDRenderPipelineAsset s) => s.shaderVariantLogLevel);
             lensAttenuation = serializedObject.FindProperty("m_LensAttenuation");
+            useRenderGraph = serializedObject.FindProperty("m_UseRenderGraph");
 
             renderPipelineSettings = new SerializedRenderPipelineSettings(serializedObject.FindProperty("m_RenderPipelineSettings"));
             defaultFrameSettings = new SerializedFrameSettings(serializedObject.FindProperty("m_RenderingPathDefaultCameraFrameSettings"), null); //no overrides in HDRPAsset

com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/HDRenderPipeline.cs

@@ -588,8 +588,7 @@ public HDRenderPipeline(HDRenderPipelineAsset asset, HDRenderPipelineAsset defau
             InitializeProbeVolumes();
             CustomPassUtils.Initialize();
 
-            if (enableNonRenderGraphTests)
-                EnableRenderGraph(false);
+            EnableRenderGraph(defaultAsset.useRenderGraph && !enableNonRenderGraphTests);
         }
 
 #if UNITY_EDITOR

com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/HDRenderPipelineAsset.cs

@@ -31,7 +31,7 @@ public partial class HDRenderPipelineAsset : RenderPipelineAsset, IVirtualTextur
 
         HDRenderPipelineAsset()
         {
-            
+
         }
 
         void Reset() => OnValidate();
@@ -93,6 +93,13 @@ internal LensAttenuationMode lensAttenuationMode
             set => m_LensAttenuation = value;
         }
 
+        [SerializeField] private bool m_UseRenderGraph = true;
+
+        internal bool useRenderGraph
+        {
+            get => m_UseRenderGraph;
+            set => m_UseRenderGraph = value;
+        }
 
 #if UNITY_EDITOR
         [SerializeField] private VolumeProfile m_DefaultLookDevProfile;