Merge pull request #1672 from Unity-Technologies/Add-renderer-priority

Add renderer priority

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

 
 ## [unreleased]
 
-
-## [3.0.0-preview]
+### Added
+- Added support for RendererPriority on Renderer. This allow to control order of transparent rendering manually. HDRP have now two stage of sorting for transparent in addition to bact to front. Material have a priority then Renderer have a priority.
 
 ### Fixed
 - Fixed an issue with distortion that was using previous frame instead of current frame

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

                 rendererSupportsLightProbeProxyVolumes = true,
                 rendererSupportsMotionVectors = true,
                 rendererSupportsReceiveShadows = false,
-                rendererSupportsReflectionProbes = true
+                rendererSupportsReflectionProbes = true,
+                rendererSupportsRendererPriority = true
             };
 
             Lightmapping.SetDelegate(GlobalIlluminationUtils.hdLightsDelegate);
             var drawSettings = new DrawRendererSettings(hdCamera.camera, HDShaderPassNames.s_EmptyName)
             {
                 rendererConfiguration = rendererConfiguration,
-                sorting = { flags = SortFlags.CommonTransparent }
+                sorting = { flags = SortFlags.CommonTransparent | SortFlags.RendererPriority }
             };
 
             for (int i = 0; i < passNames.Length; ++i)