Small bugfixes

ScriptableRenderPipeline/HDRenderPipeline/HDRP/HDRenderPipeline.cs

 
             int viewId = hdCamera.camera.GetInstanceID(); // Warning: different views can use the same camera
 
-            if (resolutionChanged && m_VolumetricLightingPreset != VolumetricLightingPreset.Off)
+            // Warning: (resolutionChanged == false) is you open a new Editor tab of the same size!
+            if (m_VolumetricLightingPreset != VolumetricLightingPreset.Off)
                 ResizeVBuffer(viewId, texWidth, texHeight);
 
             // update recorded window resolution

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Lighting/LightLoop/LightLoop.cs

                     {
                         cmd.SetGlobalBuffer(HDShaderIDs.g_logBaseBuffer, s_PerTileLogBaseTweak);
                     }
+
+                    // Set up clustered lighting for volumetrics.
+                    cmd.SetGlobalBuffer(HDShaderIDs.g_vLightListGlobal, s_PerVoxelLightLists);
+
             }
         }
 

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Lighting/Volumetrics/VolumetricLighting.cs

         int viewId     = camera.camera.GetInstanceID();
         int viewOffset = ViewOffsetFromViewId(viewId);
 
+        Debug.Assert(viewOffset >= 0 && viewOffset < 8);
+
         cmd.SetGlobalVector( HDShaderIDs._VBufferResolution,          new Vector4(w, h, 1.0f / w, 1.0f / h));
         cmd.SetGlobalVector( HDShaderIDs._VBufferScaleAndSliceCount,  new Vector4(scale.x, scale.y, d, 1.0f / d));
         cmd.SetGlobalVector( HDShaderIDs._VBufferDepthEncodingParams, ComputeLogarithmicDepthEncodingParams(m_VBufferNearPlane, m_VBufferFarPlane));
         {
             int viewId     = camera.camera.GetInstanceID(); // Warning: different views can use the same camera
             int viewOffset = ViewOffsetFromViewId(viewId);
+
+            Debug.Assert(viewOffset >= 0 && viewOffset < 8);
 
             if (GetGlobalFogComponent() == null)
             {