Update material files with the definition of '_StenclRef'

{ material.SetInt("_StencilRef", x); } relies on serialization. Therefore, if the property is not declared in the *.mat file, attempting to set this property in C# has no effect.

Assets/TestScenes/HDTest/CascadedShadowsTest/Lit_Gray.mat

     - _GlossyReflections: 1
     - _HeightAmplitude: 0.01
     - _HeightCenter: 0.5
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 0
     - _Mode: 0
     - _NormalMapSpace: 0

Assets/TestScenes/HDTest/GlobalIlluminationTest/Material/Chrome.mat

     - _GlossyReflections: 1
     - _HeightAmplitude: 0.01
     - _HeightCenter: 0.5
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 1
     - _Mode: 0
     - _NormalMapSpace: 0

Assets/TestScenes/HDTest/GlobalIlluminationTest/Material/Lit_Green.mat

     - _HeightMapMode: 0
     - _HeightScale: 1
     - _MaterialID: 0
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metalic: 0
     - _Metallic: 0
     - _Mettalic: 0

Assets/TestScenes/HDTest/GlobalIlluminationTest/Material/Lit_Grey.mat

     - _GlossyReflections: 1
     - _HeightAmplitude: 0.01
     - _HeightCenter: 0.5
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 0
     - _Mode: 0
     - _NormalMapSpace: 0

Assets/TestScenes/HDTest/GlobalIlluminationTest/Material/Lit_Red.mat

     - _HeightMapMode: 0
     - _HeightScale: 1
     - _MaterialID: 0
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metalic: 0
     - _Metallic: 0
     - _Mettalic: 0

Assets/TestScenes/HDTest/GraphicTest/Common/Dragon/DragonStatue.mat

     - _HeightAmplitude: 0
     - _HeightCenter: 0
     - _HorizonFade: 1
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 0
     - _Mode: 0
     - _NormalDetailMul: 0.347

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Lit_Blue.mat

     - _HeightCenter: 0.5
     - _HeightMapMode: 0
     - _HeightScale: 1
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 0
     - _Mode: 0
     - _NormalMapSpace: 0

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Lit_Green.mat

     - _HeightCenter: 0.5
     - _HeightMapMode: 0
     - _HeightScale: 1
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 0
     - _Mode: 0
     - _NormalMapSpace: 0

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Lit_Red.mat

     - _HeightCenter: 0.5
     - _HeightMapMode: 0
     - _HeightScale: 1
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 0
     - _Mode: 0
     - _NormalMapSpace: 0

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Lit_White.mat

     - _HeightCenter: 0.5
     - _HeightMapMode: 0
     - _HeightScale: 1
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 0
     - _Mode: 0
     - _NormalMapSpace: 0

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smooth0_0.mat

         name: _HeightScale
       second: 1
     - first:
-        name: _MaterialId
-      second: 0
+        name: _StencilRef
+      second: 1
     - first:
         name: _Metalic
       second: 1

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smooth0_1.mat

         name: _HeightScale
       second: 1
     - first:
-        name: _MaterialId
-      second: 0
+        name: _StencilRef
+      second: 1
     - first:
         name: _Metalic
       second: 1

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smooth0_2.mat

         name: _HeightScale
       second: 1
     - first:
-        name: _MaterialId
-      second: 0
+        name: _StencilRef
+      second: 1
     - first:
         name: _Metalic
       second: 1

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smooth0_3.mat

         name: _HeightScale
       second: 1
     - first:
-        name: _MaterialId
-      second: 0
+        name: _StencilRef
+      second: 1
     - first:
         name: _Metalic
       second: 1

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smooth0_4.mat

         name: _HeightScale
       second: 1
     - first:
-        name: _MaterialId
-      second: 0
+        name: _StencilRef
+      second: 1
     - first:
         name: _Metalic
       second: 1

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smooth0_5.mat

         name: _HeightScale
       second: 1
     - first:
-        name: _MaterialId
-      second: 0
+        name: _StencilRef
+      second: 1
     - first:
         name: _Metalic
       second: 1

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smooth0_6.mat

         name: _HeightScale
       second: 1
     - first:
-        name: _MaterialId
-      second: 0
+        name: _StencilRef
+      second: 1
     - first:
         name: _Metalic
       second: 1

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smooth0_7.mat

         name: _HeightScale
       second: 1
     - first:
-        name: _MaterialId
-      second: 0
+        name: _StencilRef
+      second: 1
     - first:
         name: _Metalic
       second: 1

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smooth0_8.mat

         name: _HeightScale
       second: 1
     - first:
-        name: _MaterialId
-      second: 0
+        name: _StencilRef
+      second: 1
     - first:
         name: _Metalic
       second: 1

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smooth0_9.mat

         name: _HeightScale
       second: 1
     - first:
-        name: _MaterialId
-      second: 0
+        name: _StencilRef
+      second: 1
     - first:
         name: _Metalic
       second: 1

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smooth1_1.mat

         name: _HeightScale
       second: 1
     - first:
-        name: _MaterialId
-      second: 0
+        name: _StencilRef
+      second: 1
     - first:
         name: _Metalic
       second: 1

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smoothdielectric0_0.mat

         name: _HeightScale
       second: 1
     - first:
-        name: _MaterialId
-      second: 0
+        name: _StencilRef
+      second: 1
     - first:
         name: _Metalic
       second: 0

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smoothdielectric0_1.mat

         name: _HeightScale
       second: 1
     - first:
-        name: _MaterialId
-      second: 0
+        name: _StencilRef
+      second: 1
     - first:
         name: _Metalic
       second: 0

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smoothdielectric0_2.mat

         name: _HeightScale
       second: 1
     - first:
-        name: _MaterialId
-      second: 0
+        name: _StencilRef
+      second: 1
     - first:
         name: _Metalic
       second: 0

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smoothdielectric0_3.mat

         name: _HeightScale
       second: 1
     - first:
-        name: _MaterialId
-      second: 0
+        name: _StencilRef
+      second: 1
     - first:
         name: _Metalic
       second: 0

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smoothdielectric0_4.mat

         name: _HeightScale
       second: 1
     - first:
-        name: _MaterialId
-      second: 0
+        name: _StencilRef
+      second: 1
     - first:
         name: _Metalic
       second: 0

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smoothdielectric0_5.mat

         name: _HeightScale
       second: 1
     - first:
-        name: _MaterialId
-      second: 0
+        name: _StencilRef
+      second: 1
     - first:
         name: _Metalic
       second: 0

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smoothdielectric0_6.mat

         name: _HeightScale
       second: 1
     - first:
-        name: _MaterialId
-      second: 0
+        name: _StencilRef
+      second: 1
     - first:
         name: _Metalic
       second: 0

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smoothdielectric0_7.mat

         name: _HeightScale
       second: 1
     - first:
-        name: _MaterialId
-      second: 0
+        name: _StencilRef
+      second: 1
     - first:
         name: _Metalic
       second: 0

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smoothdielectric0_8.mat

         name: _HeightScale
       second: 1
     - first:
-        name: _MaterialId
-      second: 0
+        name: _StencilRef
+      second: 1
     - first:
         name: _Metalic
       second: 0

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smoothdielectric0_9.mat

         name: _HeightScale
       second: 1
     - first:
-        name: _MaterialId
-      second: 0
+        name: _StencilRef
+      second: 1
     - first:
         name: _Metalic
       second: 0

Assets/TestScenes/HDTest/GraphicTest/Common/Material/Mat_smoothdielectric1_0.mat

         name: _HeightScale
       second: 1
     - first:
-        name: _MaterialId
-      second: 0
+        name: _StencilRef
+      second: 1
     - first:
         name: _Metalic
       second: 0

Assets/TestScenes/HDTest/GraphicTest/Parallax Occlusion Mapping/Material/POM - Rock.mat

     - _GlossyReflections: 1
     - _HeightAmplitude: 0.09
     - _HeightCenter: 0.5
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 0
     - _Mode: 0
     - _NormalMapSpace: 0

Assets/TestScenes/HDTest/GraphicTest/Parallax Occlusion Mapping/Material/POM - Wood.mat

     - _GlossyReflections: 1
     - _HeightAmplitude: 0.17
     - _HeightCenter: 0.5
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 0
     - _Mode: 0
     - _NormalMapSpace: 0

Assets/TestScenes/HDTest/GraphicTest/Tessellation/Material/Tessellation - Rock.mat

     - _GlossyReflections: 1
     - _HeightAmplitude: 0.8
     - _HeightCenter: 0.5
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 0
     - _Mode: 0
     - _NormalMapSpace: 0

Assets/TestScenes/HDTest/GraphicTest/Tessellation/Material/Tessellation - Wood.mat

     - _GlossyReflections: 1
     - _HeightAmplitude: 1.27
     - _HeightCenter: 0.5
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 0
     - _Mode: 0
     - _NormalMapSpace: 0

Assets/TestScenes/HDTest/GraphicTest/Two Sided/Material/GroundLeaf_DoubleSided.mat

     - _HeightCenter: 0.68
     - _HeightMapMode: 0
     - _HeightScale: 1
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metalic: 0
     - _Metallic: 0
     - _Mettalic: 0

Assets/TestScenes/HDTest/GraphicTest/Two Sided/Material/GroundLeaf_DoubleSidedFlip.mat

     - _HeightCenter: 0.68
     - _HeightMapMode: 0
     - _HeightScale: 1
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metalic: 0
     - _Metallic: 0
     - _Mettalic: 0

Assets/TestScenes/HDTest/GraphicTest/Two Sided/Material/GroundLeaf_DoubleSidedMirror.mat

     - _HeightCenter: 0.68
     - _HeightMapMode: 0
     - _HeightScale: 1
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metalic: 0
     - _Metallic: 0
     - _Mettalic: 0

Assets/TestScenes/HDTest/LayeredLitTest/Material/Layered_BlendColor.mat

     - _LayerTiling1: 10
     - _LayerTiling2: 1
     - _LayerTiling3: 1
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metalic: 0
     - _Metalic0: 0
     - _Metalic1: 0

Assets/TestScenes/HDTest/LayeredLitTest/Material/Layered_BlendMask.mat

     - _LayerTiling1: 10
     - _LayerTiling2: 1
     - _LayerTiling3: 1
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metalic: 0
     - _Metalic0: 0
     - _Metalic1: 0

Assets/TestScenes/HDTest/LayeredLitTest/Material/Lit_Blue.mat

     - _HeightBias: 0
     - _HeightMapMode: 0
     - _HeightScale: 1
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 0
     - _Mode: 0
     - _NormalMapSpace: 0

Assets/TestScenes/HDTest/LayeredLitTest/Material/Lit_Green.mat

     - _HeightBias: 0
     - _HeightMapMode: 0
     - _HeightScale: 1
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 0
     - _Mode: 0
     - _NormalMapSpace: 0

Assets/TestScenes/HDTest/LayeredLitTest/Material/Lit_Ground_01_2x2.mat

     - _HeightCenter: 0.5
     - _HeightMapMode: 0
     - _HeightScale: 0.02
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 0
     - _Mode: 0
     - _NormalDetailMul: 1

Assets/TestScenes/HDTest/LayeredLitTest/Material/Lit_Moss_02_2x2.mat

     - _HeightCenter: 0.5
     - _HeightMapMode: 0
     - _HeightScale: 0.05
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 0
     - _Mode: 0
     - _NormalDetailMul: 1

Assets/TestScenes/HDTest/LayeredLitTest/Material/Lit_Red.mat

     - _HeightBias: 0
     - _HeightMapMode: 0
     - _HeightScale: 1
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 0
     - _Mode: 0
     - _NormalMapSpace: 0

Assets/TestScenes/HDTest/LayeredLitTest/Material/Lit_Sand01_2x2.mat

     - _HeightCenter: 0.5
     - _HeightMapMode: 0
     - _HeightScale: 0.1
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 0
     - _Mode: 0
     - _NormalDetailMul: 1

Assets/TestScenes/HDTest/LayeredLitTest/Material/Lit_Spheres.mat

     - _HeightScale3: 1
     - _LayerCount: 2
     - _LayerMaskVertexColor: 0
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 0
     - _Metallic0: 0
     - _Metallic1: 0

Assets/TestScenes/HDTest/LayeredLitTest/Material/Lit_UVChart_Layer0_Detail.mat

     - _HeightBias: 0
     - _HeightMapMode: 0
     - _HeightScale: 1
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 0
     - _Mode: 0
     - _NormalMapSpace: 0

Assets/TestScenes/HDTest/LayeredLitTest/Material/Lit_UVChart_Layer1_Detail.mat

     - _HeightBias: 0
     - _HeightMapMode: 0
     - _HeightScale: 1
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 0
     - _Mode: 0
     - _NormalMapSpace: 0

Assets/TestScenes/HDTest/LayeredLitTest/Material/Lit_UVChart_Layer2_Detail.mat

     - _HeightBias: 0
     - _HeightMapMode: 0
     - _HeightScale: 1
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 0
     - _Mode: 0
     - _NormalMapSpace: 0

Assets/TestScenes/HDTest/LayeredLitTest/Material/Lit_UVChart_Layer3_Detail.mat

     - _HeightBias: 0
     - _HeightMapMode: 0
     - _HeightScale: 1
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 0
     - _Mode: 0
     - _NormalMapSpace: 0

Assets/TestScenes/HDTest/LayeredLitTest/Material/Lit_White.mat

     - _HeightBias: 0
     - _HeightMapMode: 0
     - _HeightScale: 1
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 0
     - _Mode: 0
     - _NormalMapSpace: 0

Assets/TestScenes/HDTest/LayeredLitTest/Material/Lit_White_Detail.mat

     - _HeightBias: 0
     - _HeightMapMode: 0
     - _HeightScale: 1
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 0
     - _Mode: 0
     - _NormalMapSpace: 0

Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/Blue_Alpha.mat

         name: _MaterialID
       second: 0
     - first:
-        name: _MaterialId
-      second: 0
+        name: _StencilRef
+      second: 1
     - first:
         name: _Metalic
       second: 0

Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/Chrome.mat

     - _HeightBias: 0
     - _HeightMapMode: 0
     - _HeightScale: 1
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metallic: 1
     - _Mode: 0
     - _NormalMapSpace: 0

Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/CubeTransparent.mat

     - _HeightCenter: 0.5
     - _HeightMapMode: 0
     - _HeightScale: 1
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metalic: 0
     - _Metallic: 0
     - _Mettalic: 0

Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_D_a00_s00.mat

     - _HeightMapMode: 0
     - _HeightScale: 1
     - _MaterialID: 0
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metalic: 0
     - _Metallic: 0
     - _Mettalic: 0

Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_D_a00_s02.mat

     - _HeightMapMode: 0
     - _HeightScale: 1
     - _MaterialID: 0
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metalic: 0
     - _Metallic: 0
     - _Mettalic: 0

Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_D_a00_s04.mat

     - _HeightMapMode: 0
     - _HeightScale: 1
     - _MaterialID: 0
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metalic: 0
     - _Metallic: 0
     - _Mettalic: 0

Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_D_a00_s06.mat

     - _HeightMapMode: 0
     - _HeightScale: 1
     - _MaterialID: 0
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metalic: 0
     - _Metallic: 0
     - _Mettalic: 0

Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_D_a00_s08.mat

     - _HeightMapMode: 0
     - _HeightScale: 1
     - _MaterialID: 0
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metalic: 0
     - _Metallic: 0
     - _Mettalic: 0

Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_D_a00_s10.mat

     - _HeightMapMode: 0
     - _HeightScale: 1
     - _MaterialID: 0
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metalic: 0
     - _Metallic: 0
     - _Mettalic: 0

Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a00_s00.mat

     - _HeightMapMode: 0
     - _HeightScale: 1
     - _MaterialID: 0
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metalic: 0
     - _Metallic: 1
     - _Mettalic: 0

Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a00_s01.mat

     - _HeightMapMode: 0
     - _HeightScale: 1
     - _MaterialID: 0
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metalic: 0
     - _Metallic: 1
     - _Mettalic: 0

Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a00_s02.mat

     - _HeightMapMode: 0
     - _HeightScale: 1
     - _MaterialID: 0
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metalic: 0
     - _Metallic: 1
     - _Mettalic: 0

Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a00_s03.mat

     - _HeightMapMode: 0
     - _HeightScale: 1
     - _MaterialID: 0
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metalic: 0
     - _Metallic: 1
     - _Mettalic: 0

Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a00_s04.mat

     - _HeightMapMode: 0
     - _HeightScale: 1
     - _MaterialID: 0
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metalic: 0
     - _Metallic: 1
     - _Mettalic: 0

Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a00_s05.mat

     - _HeightMapMode: 0
     - _HeightScale: 1
     - _MaterialID: 0
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metalic: 0
     - _Metallic: 1
     - _Mettalic: 0

Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a00_s06.mat

     - _HeightMapMode: 0
     - _HeightScale: 1
     - _MaterialID: 0
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metalic: 0
     - _Metallic: 1
     - _Mettalic: 0

Assets/TestScenes/HDTest/Material/HDRenderLoopMaterials/GGX Test/GGX_a00_s07.mat

     - _HeightMapMode: 0
     - _HeightScale: 1
     - _MaterialID: 0
-    - _MaterialId: 0
+    - _MaterialID: 0
+    - _StencilRef: 1
     - _Metalic: 0
     - _Metallic: 1
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