Merge pull request #324 from Unity-Technologies/Branch_MarkerSky

Temp fix before we sanitize CommandBuffer usage (can't use nested CBs for now...)

Assets/ScriptableRenderPipeline/HDRenderPipeline/Sky/RuntimeFilterIBL.cs

             m_GgxConvolveMaterial.SetFloat("_LastLevel", mipCount - 1);
             m_GgxConvolveMaterial.SetFloat("_InvOmegaP", invOmegaP);
 
-            var cmd = CommandBufferPool.Get("");
+            //var cmd = CommandBufferPool.Get("");
-                cmd.BeginSample(sampleName);
+                //cmd.BeginSample(sampleName);
 
                 MaterialPropertyBlock props = new MaterialPropertyBlock();
                 props.SetFloat("_Level", mip);
                     Utilities.SetRenderTarget(context, target, ClearFlag.ClearNone, mip, (CubemapFace)face);
 
+                    var cmd = CommandBufferPool.Get("");
+                    context.ExecuteCommandBuffer(cmd);
+                    CommandBufferPool.Release(cmd);
-                cmd.EndSample(sampleName);
+                //cmd.EndSample(sampleName);
-            context.ExecuteCommandBuffer(cmd);
-            CommandBufferPool.Release(cmd);
+            //context.ExecuteCommandBuffer(cmd);
+            //CommandBufferPool.Release(cmd);
         }
 
         // Filters MIP map levels (other than 0) with GGX using BRDF importance sampling.