Draft 1.0 of XRSettings.eyeTextureResolutionScale hookup

com.unity.render-pipelines.lightweight/LWRP/LightweightForwardRenderer.cs

         {
             Camera camera = cameraData.camera;
             RenderTextureDescriptor desc;
+            float renderScale = cameraData.renderScale;
+
-                desc = XRSettings.eyeTextureDesc;
+            {
+                XRSettings.eyeTextureResolutionScale = renderScale;
+                return XRSettings.eyeTextureDesc; // FIXME Any adjustments needed before using eyeTextureDesc?
+            }
+            {
-
-            float renderScale = cameraData.renderScale;
+            }
             desc.colorFormat = cameraData.isHdrEnabled ? RenderTextureFormat.DefaultHDR :
                 RenderTextureFormat.Default;
             desc.enableRandomWrite = false;

com.unity.render-pipelines.lightweight/LWRP/LightweightPipeline.cs

 
             // Discard variations lesser than kRenderScaleThreshold.
             // Scale is only enabled for gameview
-            // XR has it's own scaling mechanism.
-            cameraData.renderScale = (camera.cameraType == CameraType.Game && !cameraData.isStereoEnabled) ? cameraData.renderScale : 1.0f;
+            cameraData.renderScale = (camera.cameraType == CameraType.Game) ? cameraData.renderScale : 1.0f;
 
             cameraData.requiresDepthTexture = pipelineAsset.supportsCameraDepthTexture || cameraData.postProcessEnabled || cameraData.isSceneViewCamera;
             cameraData.requiresSoftParticles = pipelineAsset.supportsSoftParticles;