Added support for UI rendering in LightweightPipeline.

Assets/ScriptableRenderPipeline/LightweightPipeline/Editor/LightweightAssetInspector.cs

             public static GUIContent defaultSpriteMaterial = new GUIContent("Default Sprite Material",
                 "Material to use when creating Sprites");
 
+            public static GUIContent defaultUIMaterial = new GUIContent("Default UI Material", "Material to use when creating UI Text");
+
             public static GUIContent defaultShader = new GUIContent("Default Shader",
                 "Shader to use when creating materials");
 
         private SerializedProperty m_ShadowCascade4SplitProp;
         private SerializedProperty m_DefaultDiffuseMaterial;
         private SerializedProperty m_DefaultSpriteMaterial;
+        private SerializedProperty m_DefaultUIMaterial;
         private SerializedProperty m_DefaultShader;
         private SerializedProperty m_MSAA;
 
             m_ShadowCascade4SplitProp = serializedObject.FindProperty("m_Cascade4Split");
             m_DefaultDiffuseMaterial = serializedObject.FindProperty("m_DefaultDiffuseMaterial");
             m_DefaultSpriteMaterial = serializedObject.FindProperty("m_DefaultSpriteMaterial");
+            m_DefaultUIMaterial = serializedObject.FindProperty("m_DefaultUIMaterial");
             m_DefaultShader = serializedObject.FindProperty("m_DefaultShader");
             m_MSAA = serializedObject.FindProperty("m_MSAA");
         }
             EditorGUI.indentLevel++;
             EditorGUILayout.PropertyField(m_DefaultDiffuseMaterial, Styles.defaultDiffuseMaterial);
             EditorGUILayout.PropertyField(m_DefaultSpriteMaterial, Styles.defaultSpriteMaterial);
+            EditorGUILayout.PropertyField(m_DefaultUIMaterial, Styles.defaultUIMaterial);
             EditorGUILayout.PropertyField(m_DefaultShader, Styles.defaultShader);
             EditorGUI.indentLevel--;
 

Assets/ScriptableRenderPipeline/LightweightPipeline/LightweightPipeline.cs

         private ShadowSliceData[] m_ShadowSlices = new ShadowSliceData[kMaxCascades];
 
         private static readonly ShaderPassName m_LitPassName = new ShaderPassName("LightweightForward");
+        private static readonly ShaderPassName m_UnlitPassName = new ShaderPassName("SRPDefaultUnlit");
 
         public LightweightPipeline(LightweightPipelineAsset asset)
         {
                 litSettings.inputFilter.SetQueuesOpaque();
                 litSettings.rendererConfiguration = configuration;
 
+                var unlitSettings = new DrawRendererSettings(m_CullResults, camera, m_UnlitPassName);
+                unlitSettings.sorting.flags = SortFlags.CommonTransparent;
+                unlitSettings.inputFilter.SetQueuesTransparent();
+
                 context.DrawRenderers(ref litSettings);
 
                 // Release temporary RT
                 litSettings.sorting.flags = SortFlags.CommonTransparent;
                 litSettings.inputFilter.SetQueuesTransparent();
                 context.DrawRenderers(ref litSettings);
+                context.DrawRenderers(ref unlitSettings);
 
                 EndForwardRendering(camera, ref context);
             }

Assets/ScriptableRenderPipeline/LightweightPipeline/LightweightPipelineAsset.asset

     type: 2}
   m_DefaultSpriteMaterial: {fileID: 2100000, guid: e3ef893926d86c448a80512fe05b8a37,
     type: 2}
+  m_DefaultUIMaterial: {fileID: 2100000, guid: 786cc499ea3906946b10ab7d24c8d0e7, type: 2}
   m_DefaultShader: {fileID: 4800000, guid: 8d2bb70cbf9db8d4da26e15b26e74248, type: 3}

Assets/ScriptableRenderPipeline/LightweightPipeline/LightweightPipelineAsset.cs

 
         [SerializeField] private Material m_DefaultDiffuseMaterial;
         [SerializeField] private Material m_DefaultSpriteMaterial;
+        [SerializeField] private Material m_DefaultUIMaterial;
         [SerializeField] private Shader m_DefaultShader;
 
         public int MaxSupportedPixelLights
 
         public override Material GetDefaultUIMaterial()
         {
-            return m_DefaultDiffuseMaterial;
+            return m_DefaultUIMaterial;
         }
 
         public override Material GetDefaultUIOverdrawMaterial()

Assets/ScriptableRenderPipeline/LightweightPipeline/Materials/Lightweight-UIDefault.mat

+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!21 &2100000
+Material:
+  serializedVersion: 6
+  m_ObjectHideFlags: 0
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 0}
+  m_Name: Lightweight-UIDefault
+  m_Shader: {fileID: 10770, guid: 0000000000000000f000000000000000, type: 0}
+  m_ShaderKeywords: 
+  m_LightmapFlags: 4
+  m_EnableInstancingVariants: 0
+  m_DoubleSidedGI: 0
+  m_CustomRenderQueue: -1
+  stringTagMap: {}
+  disabledShaderPasses: []
+  m_SavedProperties:
+    serializedVersion: 3
+    m_TexEnvs:
+    - _BumpMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _Cube:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _DetailAlbedoMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _DetailMask:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _DetailNormalMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _EmissionMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _MainTex:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _ParallaxMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _SpecGlossMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    m_Floats:
+    - _BumpScale: 1
+    - _ColorMask: 15
+    - _Cutoff: 0.5
+    - _DetailNormalMapScale: 1
+    - _DstBlend: 0
+    - _GlossMapScale: 1
+    - _Glossiness: 0.5
+    - _GlossinessSource: 0
+    - _GlossyReflections: 1
+    - _Mode: 0
+    - _Parallax: 0.02
+    - _ReflectionSource: 0
+    - _Shininess: 1
+    - _SmoothnessTextureChannel: 0
+    - _SpecSource: 0
+    - _SpecularHighlights: 1
+    - _SrcBlend: 1
+    - _Stencil: 0
+    - _StencilComp: 8
+    - _StencilOp: 0
+    - _StencilReadMask: 255
+    - _StencilWriteMask: 255
+    - _UVSec: 0
+    - _UseUIAlphaClip: 0
+    - _ZWrite: 1
+    m_Colors:
+    - _Color: {r: 1, g: 1, b: 1, a: 1}
+    - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}
+    - _SpecColor: {r: 1, g: 1, b: 1, a: 1}

Assets/ScriptableRenderPipeline/LightweightPipeline/Materials/Lightweight-UIDefault.mat.meta

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+licenseType: Pro
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