[2019.4] Fix XR depth copy

com.unity.render-pipelines.high-definition/CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Fixed
 - Fixed case where material keywords would not get setup before usage.
 - Fixed shader warning in ReflectionDenoiser
+- Fixed XR depth copy (case 1286908).
 
 ## [7.5.2] - 2020-11-16
 

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

@@ -271,6 +271,7 @@ void SetFinalTarget(RenderGraph renderGraph, HDCamera hdCamera, RenderGraphResou
 #if UNITY_EDITOR
                 passData.copyDepth = passData.copyDepth || hdCamera.isMainGameView; // Specific case of Debug.DrawLine and Debug.Ray
 #endif
+                passData.copyDepth = passData.copyDepth && !hdCamera.xr.enabled;
                 passData.copyDepthMaterial = m_CopyDepth;
                 passData.finalTarget = finalTarget;
                 passData.finalViewport = hdCamera.finalViewport;

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

@@ -2469,10 +2469,9 @@ void Callback(CommandBuffer c, HDCamera cam)
                 using (new ProfilingScope(cmd, ProfilingSampler.Get(HDProfileId.XRDepthCopy)))
                 {
                     var depthBuffer = m_SharedRTManager.GetDepthStencilBuffer();
-                    var rtScale = depthBuffer.rtHandleProperties.rtHandleScale / DynamicResolutionHandler.instance.GetCurrentScale();
 
                     m_CopyDepthPropertyBlock.SetTexture(HDShaderIDs._InputDepth, depthBuffer);
-                    m_CopyDepthPropertyBlock.SetVector(HDShaderIDs._BlitScaleBias, rtScale);
+                    m_CopyDepthPropertyBlock.SetVector(HDShaderIDs._BlitScaleBias, new Vector4(1.0f, 1.0f, 0.0f, 0.0f));
                     m_CopyDepthPropertyBlock.SetInt("_FlipY", 1);
 
                     cmd.SetRenderTarget(target.id, 0, CubemapFace.Unknown, -1);