PostProcessing integration

Currently missing opaque-only effects, should be an easy addition

Assets/ScriptableRenderPipeline/HDRenderPipeline/HDRenderPipeline.cs

 using UnityEngine.Rendering;
 using System;
 using System.Linq;
+using UnityEngine.Experimental.PostProcessing;
 using UnityEngine.Experimental.Rendering.HDPipeline.TilePass;
 
 #if UNITY_EDITOR
         private RenderTargetIdentifier m_CameraDepthStencilBufferRT;
         private RenderTargetIdentifier m_CameraDepthStencilBufferCopyRT;
 
+        // Post-processing context (recycled on every frame to avoid GC alloc)
+        readonly PostProcessRenderContext m_PostProcessContext;
+
         // Detect when windows size is changing
         int m_CurrentWidth;
         int m_CurrentHeight;
 
             m_SkyManager.Build();
             m_SkyManager.skySettings = owner.skySettingsToUse;
+
+            m_PostProcessContext = new PostProcessRenderContext();
         }
 
         void InitializeDebugMaterials()
 
         void FinalPass(Camera camera, ScriptableRenderContext renderContext)
         {
-            using (new Utilities.ProfilingSample("Final", renderContext))
+            using (new Utilities.ProfilingSample("Final Pass", renderContext))
+                var postProcessLayer = camera.GetComponent<PostProcessLayer>();
-                cmd.Blit(m_CameraColorBufferRT, BuiltinRenderTextureType.CameraTarget);
+
+                if (postProcessLayer != null && postProcessLayer.enabled)
+                {
+                    cmd.SetGlobalTexture("_CameraDepthTexture", GetDepthTexture());
+
+                    var context = m_PostProcessContext;
+                    context.Reset();
+                    context.source = m_CameraColorBufferRT;
+                    context.destination = BuiltinRenderTextureType.CameraTarget;
+                    context.command = cmd;
+                    context.camera = camera;
+                    context.sourceFormat = RenderTextureFormat.ARGBHalf; // ?
+                    context.flip = true;
+
+                    postProcessLayer.Render(context);
+                }
+                else
+                {
+                    cmd.Blit(m_CameraColorBufferRT, BuiltinRenderTextureType.CameraTarget);
+                }
+
                 renderContext.ExecuteCommandBuffer(cmd);
                 cmd.Dispose();
             }

Assets/TestScenes/HDTest/HDRenderLoopTest.unity

   - component: {fileID: 1828470162}
   - component: {fileID: 1828470161}
   - component: {fileID: 1828470160}
-  - component: {fileID: 1828470165}
+  - component: {fileID: 1828470165}
   m_Layer: 0
   m_Name: Main Camera
   m_TagString: MainCamera
   m_TargetDisplay: 0
   m_TargetEye: 3
   m_HDR: 1
-  m_AllowMSAA: 1
+  m_AllowMSAA: 0
   m_ForceIntoRT: 0
   m_OcclusionCulling: 1
   m_StereoConvergence: 10
   m_GameObject: {fileID: 1828470159}
   m_Enabled: 1
   m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: 92bb16b4ee20841929b24d6bd771738d, type: 3}
+  m_Script: {fileID: 11500000, guid: 948f4100a11a5c24981795d21301da5c, type: 3}
+  volumeTrigger: {fileID: 1828470164}
+  volumeLayer:
+    serializedVersion: 2
+    m_Bits: 1
+  antialiasingMode: 0
+  temporalAntialiasing:
+    jitterSpread: 0.75
+    sharpen: 0.25
+    stationaryBlending: 0.95
+    motionBlending: 0.85
+  showDebugUI: 0
+  debugView:
+    monitor: 1
 --- !u!114 &1828470166
 MonoBehaviour:
   m_ObjectHideFlags: 0

Assets/ScriptableRenderPipeline/PostProcessing.meta

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