Merge pull request #1658 from Unity-Technologies/distortion-lag-fix

Fixed distortion 1-frame delay

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

 
 
 ## [3.0.0-preview]
-
+- Fixed an issue with distortion that was using previous frame instead of current frame
 
 ## [2.0.5-preview]
 

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

 
             using (new ProfilingSample(cmd, "ApplyDistortion", CustomSamplerId.ApplyDistortion.GetSampler()))
             {
-                var colorPyramidRT = hdCamera.GetPreviousFrameRT((int)HDCameraFrameHistoryType.ColorPyramid);
+                var colorPyramidRT = hdCamera.GetCurrentFrameRT((int)HDCameraFrameHistoryType.ColorPyramid);
                 var pyramidScale = m_BufferPyramid.GetPyramidToScreenScale(hdCamera, colorPyramidRT);
 
                 // Need to account for the fact that the gaussian pyramid is actually rendered inside the camera viewport in a square texture so we mutiply by the PyramidToScreen scale