Merge pull request #1263 from Unity-Technologies/lw/fix_copy_depth_to_scene_view_camera

Lw/fix copy depth to scene view camera

ScriptableRenderPipeline/LightweightPipeline/LWRP/LightweightPipeline.cs

                 if (!CullResults.GetCullingParameters(m_CurrCamera, stereoEnabled, out cullingParameters))
                     continue;
 
-                var cmd = CommandBufferPool.Get("");
                 cullingParameters.shadowDistance = Mathf.Min(m_ShadowPass.RenderingDistance, m_CurrCamera.farClipPlane);
 
 #if UNITY_EDITOR
 
                 ForwardPass(frameRenderingConfiguration, ref lightData, ref context);
 
-                cmd.name = "After Camera Render";
+                CommandBuffer cmd;
+                {
+                    cmd = CommandBufferPool.Get("Copy Depth to Camera");
+                    cmd.DisableShaderKeyword(kMSAADepthKeyword);
+                    context.ExecuteCommandBuffer(cmd);
+                    CommandBufferPool.Release(cmd);
+                }
-                context.Submit();
+                cmd = CommandBufferPool.Get("Dispose of Temporaries");
                 cmd.ReleaseTemporaryRT(CameraRenderTargetID.depthCopy);
                 cmd.ReleaseTemporaryRT(CameraRenderTargetID.depth);
                 cmd.ReleaseTemporaryRT(CameraRenderTargetID.color);
+                m_ShadowPass.Dispose(cmd);
+
-
-                m_ShadowPass.Dispose(cmd);
 
                 context.Submit();
             }
                     bool forceBlit = false;
                     if (m_MSAASamples > 1)
                     {
-                        m_CopyDepthMaterial.SetFloat(m_SampleCount, (float)m_MSAASamples);
-                        m_CopyDepthMaterial.EnableKeyword(kMSAADepthKeyword);
+                        cmd.SetGlobalFloat(m_SampleCount, (float)m_MSAASamples);
+                        cmd.EnableShaderKeyword(kMSAADepthKeyword);
-                        m_CopyDepthMaterial.DisableKeyword(kMSAADepthKeyword);
+                        cmd.DisableShaderKeyword(kMSAADepthKeyword);
                     
                     CopyTexture(cmd, m_DepthRT, m_CopyDepth, m_CopyDepthMaterial, forceBlit);
                     depthRT = m_CopyDepth;

ScriptableRenderPipeline/LightweightPipeline/LWRP/Shaders/LightweightCopyDepth.shader

             #pragma vertex vert
             #pragma fragment frag
 
-            #pragma multi_compile _MSAA_DEPTH
+            #pragma multi_compile __ _MSAA_DEPTH
 
             #include "LWRP/ShaderLibrary/DepthCopy.hlsl"